From 0c08e16151a8369df2f822e16e6c9a465e91bcf2 Mon Sep 17 00:00:00 2001 From: Gordon Williams Date: Wed, 29 Apr 2020 09:20:18 +0100 Subject: [PATCH] * Added code to handle Settings * Added espruinotools.js for pretokenisation --- CHANGELOG.md | 2 + index.html | 8 + js/appinfo.js | 2 +- js/espruinotools.js | 27479 +----------------------------------------- js/index.js | 68 +- 5 files changed, 557 insertions(+), 27002 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 95e973e0f..12b675e3e 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -10,3 +10,5 @@ Changed for individual apps are listed in `apps/appname/ChangeLog` * Add `Favourite` functionality * Version number now clickable even when you're at the latest version (fix #291) * Rewrite 'getInstalledApps' to minimize RAM usage +* Added code to handle Settings +* Added espruinotools.js for pretokenisation diff --git a/index.html b/index.html index 434a468cd..3815c12eb 100644 --- a/index.html +++ b/index.html @@ -138,6 +138,14 @@

+

Settings

+
+ + +
diff --git a/js/appinfo.js b/js/appinfo.js index d96423db2..45ed3d8a2 100644 --- a/js/appinfo.js +++ b/js/appinfo.js @@ -14,7 +14,7 @@ var AppInfo = { if (storageFile.url.endsWith(".js") && !storageFile.url.endsWith(".min.js")) { // if original file ends in '.js'... return Espruino.transform(content, { SET_TIME_ON_WRITE : false, - PRETOKENISE : true, + PRETOKENISE : SETTINGS.pretokenise, //MINIFICATION_LEVEL : "ESPRIMA", // disable due to https://github.com/espruino/BangleApps/pull/355#issuecomment-620124162 builtinModules : "Flash,Storage,heatshrink,tensorflow,locale" }); diff --git a/js/espruinotools.js b/js/espruinotools.js index 38762ff20..c81a69c08 100644 --- a/js/espruinotools.js +++ b/js/espruinotools.js @@ -1,22 +1,6 @@ // EspruinoTools bundle (https://github.com/espruino/EspruinoTools) -// Cteated with https://github.com/espruino/EspruinoWebIDE/blob/gh-pages/extras/create_espruinotools_js.sh - -if (typeof $ === "undefined") { - var jqReady = []; - var jqShim = { - ready : function(cb) { jqReady.push(cb); }, - css : function() {}, - html : function() {}, - width : function() {}, - height : function() {}, - addClass : function() {}, - removeClass : function() {}, - appendTo : function() { return jqShim; }, - show : function() {}, - hide : function() {}, - }; - var $ = function() { return jqShim; }; -} +// Created with https://github.com/espruino/EspruinoWebIDE/blob/gh-pages/extras/create_espruinotools_js.sh +// Based on EspruinoWebIDE 0.73.4 /** Copyright 2014 Gordon Williams (gw@pur3.co.uk) @@ -81,13 +65,8 @@ var Espruino; }); } - // workaround for broken chrome on Mac - if (navigator.userAgent.indexOf("Mac OS X")>=0 && - navigator.userAgent.indexOf("Chrome/33.0.1750")>=0) { - $(document).ready(function() { window.setTimeout(init,100); }); - } else { - $(document).ready(init); - } + // Automatically start up when all is loaded + document.addEventListener("DOMContentLoaded", init); /** Add a processor function of type function(data,callback) */ function addProcessor(eventType, processor) { @@ -136,8 +115,8 @@ Espruino.Core.Notifications = { success : function(e) { console.log(e); }, error : function(e) { console.error(e); }, warning : function(e) { console.warn(e); }, - info : function(e) { console.log(e); }, -}; + info : function(e) { console.log(e); }, +}; Espruino.Core.Status = { setStatus : function(e,len) { console.log(e); }, hasProgress : function() { return false; }, @@ -5968,6 +5947,491 @@ To add a new serial device, you must add an object to /** Copyright 2014 Gordon Williams (gw@pur3.co.uk) + This Source Code is subject to the terms of the Mozilla Public + License, v2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. + + ------------------------------------------------------------------ + Automatically run an assembler on inline assembler statements + ------------------------------------------------------------------ +**/ +"use strict"; +(function(){ + + var base64_encode; + if (typeof btoa == "undefined") + base64_encode = function(s) { return Buffer.from(s).toString('base64'); }; + else + base64_encode = btoa; + +/* Thumb reference : + http://ece.uwaterloo.ca/~ece222/ARM/ARM7-TDMI-manual-pt3.pdf + + ARM reference + https://web.eecs.umich.edu/~prabal/teaching/eecs373-f11/readings/ARMv7-M_ARM.pdf +*/ + + // list of registers (for push/pop type commands) + function rlist_lr(value) { + var regs = value.split(","); + var vals = { r0:1,r1:2,r2:4,r3:8,r4:16,r5:32,r6:64,r7:128,lr:256 }; + var bits = 0; + for (var i in regs) { + var reg = regs[i].trim(); + if (!(reg in vals)) throw "Unknown register name "+reg; + bits |= vals[reg]; + } + return bits; + } + + function reg(reg_offset) { + return function(reg) { + var vals = { r0:0,r1:1,r2:2,r3:3,r4:4,r5:5,r6:6,r7:7 }; + if (!(reg in vals)) throw "Unknown register name "+reg; + return vals[reg]<=0 && regVal<8) + return ((regVal&7)<=0 && v<65536) { + // https://web.eecs.umich.edu/~prabal/teaching/eecs373-f11/readings/ARMv7-M_ARM.pdf page 347 + var imm4,i,imm3,imm8; // what the...? + imm4 = (v>>12)&15; + i = (v>>11)&1; + imm3 = (v>>8)&7; + imm8 = v&255; + return (i<<26) | (imm4<<16) | (imm3<<12) | imm8; + } + throw "Invalid number '"+value+"' - must be between 0 and 65535"; + } + + function _int(offset, bits, shift, signed) { + return function(value, labels) { + var maxValue = ((1<= 0) { + addValue = parseInt(value.substr(maths)); + value = value.substr(0,maths); + } + if (value in labels) + binValue = labels[value] + addValue - labels["PC"]; + else + throw "Unknown label '"+value+"'"; + } + + + //console.log("VALUE----------- "+binValue+" PC "+labels["PC"]+" L "+labels[value]); + + if (binValue>=minValue && binValue<=maxValue && (binValue&((1<> shift) & ((1<>11)&0x7FF)<<16 | (v&0x7FF); + }; + } + + var ops = { + // Format 1: move shifted register + "lsl" :[{ base:"00000-----___---", regex : /(r[0-7]),(r[0-7]),(#[0-9]+)$/, args:[reg(0),reg(3),uint(6,5,0)] }, + { base:"0100000010___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // 5.4 d = d << s + "lsr" :[{ base:"00001-----___---", regex : /(r[0-7]),(r[0-7]),(#[0-9]+)$/, args:[reg(0),reg(3),uint(6,5,0)] }, + { base:"0100000011___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // 5.4 d = d >> s + "asr" :[{ base:"00010-----___---", regex : /(r[0-7]),(r[0-7]),(#[0-9]+)$/, args:[reg(0),reg(3),uint(6,5,0)] }, + { base:"0100000100___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // 5.4 d = d >>> s + // 5.2 Format 2: add/subtract + // 00011 + // 5.3 Format 3: move/compare/add/subtract immediate + "cmp" :[{ base:"00101---________", regex : /(r[0-7]),(#[0-9]+)$/, args:[reg(8),uint(0,8,0)] }, // move/compare/subtract immediate + { base:"0100001010___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // 5.4 test d-s + // 5.4 Format 4: ALU operations + "and" :[{ base:"0100000000___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], + "eor" :[{ base:"0100000001___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], + // lsl is above + // lsr is above + // asr is above + "adc" :[{ base:"0100000101___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // d + s + carry + "sbc" :[{ base:"0100000110___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // d - s - !carry + "ror" :[{ base:"0100000111___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // rotate right + "tst" :[{ base:"0100001000___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // test + "neg" :[{ base:"0100001001___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // - s + // cmp is above + "cmn" :[{ base:"0100001011___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // test d+s + "orr" :[{ base:"0100001100___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // | + "mul" :[{ base:"0100001101___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // s*d + "bic" :[{ base:"0100001110___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // d & ~s + "mvn" :[{ base:"0100001111___---", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }], // ~s + // 5.5 Format 5: Hi register operations/branch exchange + // 5.6 Format 6: PC-relative load + // done (below) + // 5.7 Format 7: load/store with register offset + // done (below) + // 5.8 Format 8: load/store sign-extended byte/halfword + // 5.9 Format 9: load/store with immediate offset + // done (below) + // 5.10 Format 10: load/store halfword + // 5.11 Format 11: SP-relative load/store + // 5.12 Format 12: load address + // done (below) + // 5.13 Format 13: add offset to Stack Pointer + // 5.14 Format 14: push/pop registers + // done (below) + // 5.16 Format 16: conditional branch + "beq" :[{ base:"11010000________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bne" :[{ base:"11010001________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bcs" :[{ base:"11010010________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bcc" :[{ base:"11010011________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bmi" :[{ base:"11010100________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bpl" :[{ base:"11010101________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bvs" :[{ base:"11010110________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bvc" :[{ base:"11010111________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bhi" :[{ base:"11011000________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bls" :[{ base:"11011001________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bge" :[{ base:"11011010________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "blt" :[{ base:"11011011________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "bgt" :[{ base:"11011100________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + "ble" :[{ base:"11011101________", regex : /^(.*)$/, args:[sint(0,8,1)] }], // 5.16 Format 16: conditional branch + // 5.17 Format 17: software interrupt + // 5.18 Format 18: unconditional branch + "b" :[{ base:"11100___________", regex : /^(.*)$/, args:[sint(0,11,1)] }], + // 5.19 Format 19: long branch with link + "bl" :[{ base:"11110___________11111___________", regex : /^(.*)$/, args:[bl_addr()] }], + "bx" :[{ base:"010001110----000", regex : /(lr|r[0-9]+)$/, args:[reg4(3)] }], + // .... + + + "adr" :[{ base:"10100---________", regex : /^(r[0-7]),([a-zA-Z_][0-9a-zA-Z_]*)$/,args:[reg(8),uint(0,8,2)] }, // ADR pseudo-instruction to save address (actually ADD PC) + { base:"10100---________", regex : /^(r[0-7]),([a-zA-Z_][0-9a-zA-Z_]*\+[0-9]+)$/,args:[reg(8),uint(0,8,2)] }], + "push" :[{ base:"1011010-________", regex : /^{(.*)}$/, args:[rlist_lr] }], // 5.14 Format 14: push/pop registers + "pop" :[{ base:"1011110-________", regex : /^{(.*)}$/, args:[rlist_lr] }], // 5.14 Format 14: push/pop registers + "add" :[{ base:"00110---________", regex : /(r[0-7]),(#[0-9]+)$/, args:[reg(8),uint(0,8,0)] }, // move/compare/subtract immediate + { base:"10100---________", regex : /^(r[0-7]),pc,(#[0-9]+)$/,args:[reg(8),uint(0,8,2)] }, + { base:"10101---________", regex : /^(r[0-7]),sp,(#[0-9]+)$/, args:[reg(8),uint(0,8,2)] }, + { base:"101100000_______", regex : /^sp,(#[0-9]+)$/, args:[uint(0,7,2)] }, + { base:"00011-0___---___", regex : /^(r[0-7]),(r[0-7]),([^,]+)$/, args:[reg(0),reg(3),reg_or_immediate(6,10)] } ], // Format 2: add/subtract + "adds" :[{ base:"00011-0___---___", regex : /^(r[0-7]),(r[0-7]),([^,]+)$/, args:[reg(0),reg(3),reg_or_immediate(6,10)] } ], //? + "adc.w":[{ base:"111010110100----________--------", regex : /^(r[0-7]),(r[0-7]),(r[0-7])$/,args:[reg(16),reg(8),reg(0)] }], // made this up. probably wrong + "add.w":[{ base:"11110001--------________--------", regex : /^(r[0-7]),(r[0-7]),(#[0-9]+)$/,args:[reg(16),reg(8),uint(0,8,0)] }], // made this up. probably wrong + "sub" :[{ base:"00111---________", regex : /(r[0-7]),(#[0-9]+)$/, args:[reg(8),uint(0,8,0)] }, // move/compare/subtract immediate + /*{ base:"10100---________", regex : /^([^,]+),pc,(#[0-9]+)$/,args:[reg(8),uint(0,8,2)] },*/ + { base:"101100001_______", regex : /^sp,(#[0-9]+)$/, args:[uint(0,7,2)] }, + { base:"00011-1___---___", regex : /^([^,]+),([^,]+),([^,]+)$/, args:[reg(0),reg(3),reg_or_immediate(6,10)] } ], + + "str" :[{ base:"0101000---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }, // 5.7 Format 7: load/store with register offset + { base:"10010---________", regex : /(r[0-7]),\[sp,(#[0-9]+)\]$/, args:[reg(8),uint(0,8,2)] }, // 5.11 SP-relative store + { base:"0110000000___---", regex : /(r[0-7]),\[(r[0-7])\]$/, args:[reg(0),reg(3)] }, // 5.9 Format 9: load/store with no offset + { base:"0110000---___---", regex : /(r[0-7]),\[(r[0-7]),(#[0-9]+)\]$/, args:[reg(0),reg(3), uint(6,5,2)] }], // 5.9 Format 9: load/store with immediate offset + "strb" :[{ base:"0101010---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }, // 5.7 Format 7: load/store with register offset + { base:"01110-----___---", regex : /(r[0-7]),\[(r[0-7]),(#[0-9]+)\]$/, args:[reg(0),reg(3), uint(6,5,0)] }], // 5.9 Format 9: load/store with immediate offset + "strh" :[{ base:"0101001---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }, // 5.7 Format 7: load/store with register offset + { base:"10000-----___---", regex : /(r[0-7]),\[(r[0-7]),(#[0-9]+)\]$/, args:[reg(0),reg(3), uint(6,5,1)] }], // 5.9 Format 9: load/store with immediate offset + "ldr" :[{ base:"01001---________", regex : /(r[0-7]),\[pc,(#[0-9]+)\]$/, args:[reg(8),uint(0,8,2)] }, // 5.6 Format 6: PC-relative load + { base:"10011---________", regex : /(r[0-7]),\[sp,(#[0-9]+)\]$/, args:[reg(8),uint(0,8,2)] }, // 5.11 SP-relative load + { base:"01001---________", regex : /(r[0-7]),([a-zA-Z_][0-9a-zA-Z_]*)$/, args:[reg(8),uint(0,8,2)] }, // 5.6 Format 6: PC-relative load (using label) + { base:"01001---________", regex : /(r[0-7]),([a-zA-Z_][0-9a-zA-Z_]*\+[0-9]+)$/, args:[reg(8),uint(0,8,2)] }, // 5.6 Format 6: PC-relative load (using label and maths - huge hack) + { base:"0101100---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }, // 5.7 Format 7: load/store with register offset + { base:"0110100000___---", regex : /(r[0-7]),\[(r[0-7])\]$/, args:[reg(0),reg(3)] }, // 5.9 Format 9: load/store with no offset + { base:"0110100---___---", regex : /(r[0-7]),\[(r[0-7]),(#[0-9]+)\]$/, args:[reg(0),reg(3), uint(6,5,2)] }], // 5.9 Format 9: load/store with immediate offset + + "ldrb" :[{ base:"0101110---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }, // 5.7 Format 7: load/store with register offset + { base:"01111-----___---", regex : /(r[0-7]),\[(r[0-7]),(#[0-9]+)\]$/, args:[reg(0),reg(3), uint(6,5,0)] }], // 5.9 Format 9: load/store with immediate offset + "ldrsb":[{ base:"0101011---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }], // 5.7 Format 7: load/store with register offset + "ldrh" :[{ base:"0101101---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }, // 5.7 Format 7: load/store with register offset + { base:"10001-----___---", regex : /(r[0-7]),\[(r[0-7]),(#[0-9]+)\]$/, args:[reg(0),reg(3), uint(6,5,1)] }], // 5.9 Format 9: load/store with immediate offset + "ldrsh":[{ base:"0101111---___---", regex : /(r[0-7]),\[(r[0-7]),(r[0-7])\]$/, args:[reg(0),reg(3),reg(6)] }], // 5.7 Format 7: load/store with register offset + "mov" :[{ base:"00100---________", regex : /(r[0-7]),(#[0-9]+)$/, args:[reg(8),uint(0,8,0)] }, // move/compare/subtract immediate + { base:"0001110000---___", regex : /(r[0-7]),(r[0-7])$/, args:[reg(0),reg(3)] }, // actually 'add Rd,Rs,#0' + { base:"0100011010---101", regex : /sp,(r[0-7])$/, args:[reg(3)] }], // made up again + "movs" :[{ base:"00100---________", regex : /(r[0-7]),(#[0-9]+)$/, args:[reg(8),uint(0,8,0)] }], // is this even in thumb? + "movw" :[{ base:"11110-100100----0___----________", regex : /(r[0-7]),(#[0-9]+)$/, args:[reg4(8),thumb2_immediate_t3] }], + + ".word":[{ base:"--------------------------------", regex : /0x([0-9A-Fa-f]+)$/, args:[function(v){v=parseInt(v,16);return (v>>16)|(v<<16);}] }, + { base:"--------------------------------", regex : /([0-9]+)$/, args:[function(v){v=parseInt(v);return (v>>16)|(v<<16);}] }], + "nop" :[{ base:"0100011011000000", regex : "", args:[] }], // MOV R8,R8 (Format 5) + "cpsie" :[{ base:"1011011001100010", regex : /i/, args:[] }], // made up again + "cpsid" :[{ base:"1011011001110010", regex : /i/, args:[] }], // made up again + "wfe" :[{ base:"1011111100100000", regex : /i/, args:[] }], + "wfi" :[{ base:"1011111100110000", regex : /i/, args:[] }], + + // for this, uint needs to work without a hash +// "swi" :[{ base:"11011111--------", regex : /([0-9]+)$/, args:[uint(0,8,0)] }], // Format 17: software interrupt + }; + + + function getOpCode(binary) { + var base = ""; + for (var b in binary) + if ("-_".indexOf(binary[b])>=0) + base += "0"; + else + base += binary[b]; + var opCode = parseInt(base,2); + if (opCode<0) opCode = opCode + 2147483648.0; + return opCode; + } + + function assemble_internal(asmLines, wordCallback, labels) { + var addr = 0; + var newLabels = {}; + asmLines.forEach(function (line) { + // setup labels + if (labels!==undefined) + labels["PC"] = addr+4; + // handle line + line = line.trim(); + if (line=="") return; + if (line.substr(-1)==":") { + // it's a label + var labelName = line.substr(0,line.length-1); + if (newLabels[labelName] !== undefined) + throw "Label '"+labelName+"' was already defined"; + newLabels[labelName] = addr; + return; + } + + // parse instruction + var firstArgEnd = line.indexOf("\t"); + if (firstArgEnd<0) firstArgEnd = line.indexOf(" "); + if (firstArgEnd<0) firstArgEnd=line.length; + var opName = line.substr(0,firstArgEnd); + var args = line.substr(firstArgEnd).replace(/[ \t]/g,"").trim(); + if (!(opName in ops)) throw "Unknown Op '"+opName+"' in '"+line+"'"; + // search ops + var found = false; + for (var n in ops[opName]) { + var op = ops[opName][n]; + var m; + if (m=args.match(op.regex)) { + found = true; + // work out the base opcode + var opCode = getOpCode(op.base); + + if (labels!==undefined) { + /* If we're properly generating code, parse each argument. + Otherwise we're just working out the size in bytes of each line + and we can skip this */ + for (var i in op.args) { + //console.log(i,m[(i|0)+1]); + var argFunction = op.args[i]; + var bits = argFunction(m[(i|0)+1], labels); + //console.log(" ",bits) + opCode |= bits; + } + } + + if (op.base.length > 16) { + wordCallback((opCode>>>16)); + wordCallback(opCode&0xFFFF); + addr += 4; + } else { + wordCallback(opCode); + addr += 2; + } + break; + } + } + // now parse args + if (!found) + throw "Unknown arg style '"+args+"' in '"+line+"'"; + }); + return newLabels; + } + + function assemble(asmLines, wordCallback) { + // remove line comments + asmLines = asmLines.map(function(l) { + var i; + i = l.indexOf(";"); + if (i>=0) l = l.substr(0,i); + i = l.indexOf("//"); + if (i>=0) l = l.substr(0,i); + return l; + }); + // process assembly to grab labels + var labels = assemble_internal(asmLines, function() {}, undefined); + console.log("Assembler Labels:",labels); + // process again to actually get an output + assemble_internal(asmLines, wordCallback, labels); + } + +//--------------------------------------------------------------------------- +//--------------------------------------------------------------------------- +//--------------------------------------------------------------------------- + + function init() { + // When code is sent to Espruino, search it for bits of assembler and then assemble them + Espruino.addProcessor("transformForEspruino", function(code, callback) { + findASMBlocks(code, "", callback); + }); + // When a module is sent to Espruino... + Espruino.addProcessor("transformModuleForEspruino", function(module, callback) { + findASMBlocks(module.code, " in "+module.name, function(code) { + module.code = code; + callback(module); + }); + }); + } + + function assembleBlock(asmLines, description) { + var machineCode = []; + try { + assemble(asmLines, function(word) { machineCode.push("0x"+word.toString(16)); }); + } catch (err) { + console.log("Assembler failed: "+err+description); + Espruino.Core.Notifications.error("Assembler failed: "+err+description); + return undefined; + } + + return machineCode; + } + + /* Finds instances of 'E.asm' and replaces them */ + function findASMBlocks(code, description, callback){ + + function match(str, type) { + if (str!==undefined && tok.str!=str) { + Espruino.Core.Notifications.error("Expecting '"+str+"' but got '"+tok.str+description+"'. Should have E.asm('arg spec', 'asmline1', ..., 'asmline2'"); + return false; + } + if (type!==undefined && tok.type!=type) { + Espruino.Core.Notifications.error("Expecting a "+type+" but got "+tok.type+description+". Should have E.asm('arg spec', 'asmline1', ..., 'asmline2'"); + return false; + } + tok = lex.next(); + return true; + } + + var foundAsm = true; + var assembledCode = ""; + var asmBlockCount = 1; + while (foundAsm) { + foundAsm = false; + var lex = Espruino.Core.Utils.getLexer(code); + var tok = lex.next(); + var state = 0; + var startIndex = -1; + while (tok!==undefined) { + if (state==0 && tok.str=="E") { state=1; startIndex = tok.startIdx; tok = lex.next(); + } else if (state==1 && tok.str==".") { state=2; tok = lex.next(); + } else if (state==2 && (tok.str=="asm")) { state=3; tok = lex.next(); + } else if (state==3 && (tok.str=="(")) { + foundAsm = true; + state=0; + tok = lex.next(); // skip ( + var argSpec = tok.value; + var asmLines = []; + if (!match(undefined,"STRING")) return; + if (!match(",",undefined)) return; + while (tok && tok.str!=")") { + var lines = tok.value.split("\n"); + lines.forEach(function(l) { + asmLines.push(l); + }); + if (!match(undefined,"STRING")) return; + if (tok.str!=")") + if (!match(",",undefined)) return; + } + if (!match(")",undefined)) return; + var endIndex = tok.endIdx; + + var machineCode = assembleBlock(asmLines, description); + //console.log(machineCode); + if (machineCode===undefined) return; // There was an error - just leave and don't try to flash + var raw = ""; + machineCode.forEach(function(short) { + var v = parseInt(short,16); + raw += String.fromCharCode(v&255,v>>8); + }); + var base64 = base64_encode(raw); + code = code.substr(0,startIndex) + + 'E.nativeCall(1, '+JSON.stringify(argSpec)+', atob('+JSON.stringify(base64)+'))'+ + code.substr(endIndex); + asmBlockCount++; + + // Break out + tok = undefined; + } else { + state = 0; + tok = lex.next(); + } + } + } + + if (assembledCode!="") { + code = "var ASM_BASE=process.memory().stackEndAddress;\n"+ + assembledCode+ + code; + } + callback(code); + }; + + + Espruino.Plugins.Assembler = { + init : init, + }; +}()); +/** + Copyright 2014 Gordon Williams (gw@pur3.co.uk) + This Source Code is subject to the terms of the Mozilla Public License, v2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. @@ -6004,26965 +6468,6 @@ To add a new serial device, you must add an object to init : init, }; }()); -/*! https://mths.be/utf8js v2.0.0 by @mathias */ -;(function(root) { - - // Detect free variables `exports` - var freeExports = typeof exports == 'object' && exports; - - // Detect free variable `module` - var freeModule = typeof module == 'object' && module && - module.exports == freeExports && module; - - // Detect free variable `global`, from Node.js or Browserified code, - // and use it as `root` - var freeGlobal = typeof global == 'object' && global; - if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { - root = freeGlobal; - } - - /*--------------------------------------------------------------------------*/ - - var stringFromCharCode = String.fromCharCode; - - // Taken from https://mths.be/punycode - function ucs2decode(string) { - var output = []; - var counter = 0; - var length = string.length; - var value; - var extra; - while (counter < length) { - value = string.charCodeAt(counter++); - if (value >= 0xD800 && value <= 0xDBFF && counter < length) { - // high surrogate, and there is a next character - extra = string.charCodeAt(counter++); - if ((extra & 0xFC00) == 0xDC00) { // low surrogate - output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); - } else { - // unmatched surrogate; only append this code unit, in case the next - // code unit is the high surrogate of a surrogate pair - output.push(value); - counter--; - } - } else { - output.push(value); - } - } - return output; - } - - // Taken from https://mths.be/punycode - function ucs2encode(array) { - var length = array.length; - var index = -1; - var value; - var output = ''; - while (++index < length) { - value = array[index]; - if (value > 0xFFFF) { - value -= 0x10000; - output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); - value = 0xDC00 | value & 0x3FF; - } - output += stringFromCharCode(value); - } - return output; - } - - function checkScalarValue(codePoint) { - if (codePoint >= 0xD800 && codePoint <= 0xDFFF) { - throw Error( - 'Lone surrogate U+' + codePoint.toString(16).toUpperCase() + - ' is not a scalar value' - ); - } - } - /*--------------------------------------------------------------------------*/ - - function createByte(codePoint, shift) { - return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80); - } - - function encodeCodePoint(codePoint) { - if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence - return stringFromCharCode(codePoint); - } - var symbol = ''; - if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence - symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0); - } - else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence - checkScalarValue(codePoint); - symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0); - symbol += createByte(codePoint, 6); - } - else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence - symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0); - symbol += createByte(codePoint, 12); - symbol += createByte(codePoint, 6); - } - symbol += stringFromCharCode((codePoint & 0x3F) | 0x80); - return symbol; - } - - function utf8encode(string) { - var codePoints = ucs2decode(string); - var length = codePoints.length; - var index = -1; - var codePoint; - var byteString = ''; - while (++index < length) { - codePoint = codePoints[index]; - byteString += encodeCodePoint(codePoint); - } - return byteString; - } - - /*--------------------------------------------------------------------------*/ - - function readContinuationByte() { - if (byteIndex >= byteCount) { - throw Error('Invalid byte index'); - } - - var continuationByte = byteArray[byteIndex] & 0xFF; - byteIndex++; - - if ((continuationByte & 0xC0) == 0x80) { - return continuationByte & 0x3F; - } - - // If we end up here, it’s not a continuation byte - throw Error('Invalid continuation byte'); - } - - function decodeSymbol() { - var byte1; - var byte2; - var byte3; - var byte4; - var codePoint; - - if (byteIndex > byteCount) { - throw Error('Invalid byte index'); - } - - if (byteIndex == byteCount) { - return false; - } - - // Read first byte - byte1 = byteArray[byteIndex] & 0xFF; - byteIndex++; - - // 1-byte sequence (no continuation bytes) - if ((byte1 & 0x80) == 0) { - return byte1; - } - - // 2-byte sequence - if ((byte1 & 0xE0) == 0xC0) { - var byte2 = readContinuationByte(); - codePoint = ((byte1 & 0x1F) << 6) | byte2; - if (codePoint >= 0x80) { - return codePoint; - } else { - throw Error('Invalid continuation byte'); - } - } - - // 3-byte sequence (may include unpaired surrogates) - if ((byte1 & 0xF0) == 0xE0) { - byte2 = readContinuationByte(); - byte3 = readContinuationByte(); - codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3; - if (codePoint >= 0x0800) { - checkScalarValue(codePoint); - return codePoint; - } else { - throw Error('Invalid continuation byte'); - } - } - - // 4-byte sequence - if ((byte1 & 0xF8) == 0xF0) { - byte2 = readContinuationByte(); - byte3 = readContinuationByte(); - byte4 = readContinuationByte(); - codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) | - (byte3 << 0x06) | byte4; - if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) { - return codePoint; - } - } - - throw Error('Invalid UTF-8 detected'); - } - - var byteArray; - var byteCount; - var byteIndex; - function utf8decode(byteString) { - byteArray = ucs2decode(byteString); - byteCount = byteArray.length; - byteIndex = 0; - var codePoints = []; - var tmp; - while ((tmp = decodeSymbol()) !== false) { - codePoints.push(tmp); - } - return ucs2encode(codePoints); - } - - /*--------------------------------------------------------------------------*/ - - var utf8 = { - 'version': '2.0.0', - 'encode': utf8encode, - 'decode': utf8decode - }; - - // Some AMD build optimizers, like r.js, check for specific condition patterns - // like the following: - if ( - typeof define == 'function' && - typeof define.amd == 'object' && - define.amd - ) { - define(function() { - return utf8; - }); - } else if (freeExports && !freeExports.nodeType) { - if (freeModule) { // in Node.js or RingoJS v0.8.0+ - freeModule.exports = utf8; - } else { // in Narwhal or RingoJS v0.7.0- - var object = {}; - var hasOwnProperty = object.hasOwnProperty; - for (var key in utf8) { - hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]); - } - } - } else { // in Rhino or a web browser - root.utf8 = utf8; - } - -}(this)); -/** - Copyright 2015 Gordon Williams (gw@pur3.co.uk), - Victor Nakoryakov (victor@amperka.ru) - - This Source Code is subject to the terms of the Mozilla Public - License, v2.0. If a copy of the MPL was not distributed with this - file, You can obtain one at http://mozilla.org/MPL/2.0/. - - ------------------------------------------------------------------ - Escape non-ASCII characters into \xHH UTF-8 sequences before send - ------------------------------------------------------------------ -**/ -"use strict"; -(function(){ - - // Node.js doesn't have utf8 installed - var utf8lib; - if ("undefined"==typeof utf8) { - if ("undefined"!=typeof require) { - console.log("Loading UTF8 with require"); - utf8lib = require('utf8'); - } else { - console.log("WARNING: Loading placeholder UTF8"); - utf8lib = { encode : function(c){return c} }; - } - } else { - console.log("UTF8 Library loaded successfully"); - utf8lib = utf8; - } - - function init() { - Espruino.addProcessor("transformForEspruino", function(code, callback) { - escapeUnicode(code, callback); - }); - } - - function escapeUnicode(code, callback) { - // Only correct unicode inside strings - var newCode = ""; - var lex = Espruino.Core.Utils.getLexer(code); - var lastIdx = 0; - var tok = lex.next(); - while (tok!==undefined) { - var previousString = code.substring(lastIdx, tok.startIdx); - var tokenString = code.substring(tok.startIdx, tok.endIdx); - if (tok.type=="STRING") { - var newTokenString = ""; - for (var i=0;i= 255) - newTokenString += escapeChar(tokenString[i]); - else - newTokenString += tokenString[i]; - } - tokenString = newTokenString; - } - newCode += previousString+tokenString; - // next - lastIdx = tok.endIdx; - tok = lex.next(); - } - newCode += code.substring(lastIdx); - callback(newCode); - } - - function escapeChar(c) { - // encode char into UTF-8 sequence in form of \xHH codes - var result = ''; - utf8lib.encode(c).split('').forEach(function(c) { - var code = c.charCodeAt(0) & 0xFF; - result += "\\x"; - if (code < 0x10) result += '0'; - result += code.toString(16).toUpperCase(); - }); - - return result; - } - - Espruino.Plugins.Unicode = { - init : init, - }; -}()); -(function webpackUniversalModuleDefinition(root, factory) { -/* istanbul ignore next */ - if(typeof exports === 'object' && typeof module === 'object') - module.exports = factory(); - else if(typeof define === 'function' && define.amd) - define([], factory); -/* istanbul ignore next */ - else if(typeof exports === 'object') - exports["esprima"] = factory(); - else - root["esprima"] = factory(); -})(this, function() { -return /******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; - -/******/ // The require function -/******/ function __webpack_require__(moduleId) { - -/******/ // Check if module is in cache -/* istanbul ignore if */ -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; - -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ exports: {}, -/******/ id: moduleId, -/******/ loaded: false -/******/ }; - -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); - -/******/ // Flag the module as loaded -/******/ module.loaded = true; - -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } - - -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; - -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; - -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; - -/******/ // Load entry module and return exports -/******/ return __webpack_require__(0); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; - /* - Copyright JS Foundation and other contributors, https://js.foundation/ - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - Object.defineProperty(exports, "__esModule", { value: true }); - var comment_handler_1 = __webpack_require__(1); - var jsx_parser_1 = __webpack_require__(3); - var parser_1 = __webpack_require__(8); - var tokenizer_1 = __webpack_require__(15); - function parse(code, options, delegate) { - var commentHandler = null; - var proxyDelegate = function (node, metadata) { - if (delegate) { - delegate(node, metadata); - } - if (commentHandler) { - commentHandler.visit(node, metadata); - } - }; - var parserDelegate = (typeof delegate === 'function') ? proxyDelegate : null; - var collectComment = false; - if (options) { - collectComment = (typeof options.comment === 'boolean' && options.comment); - var attachComment = (typeof options.attachComment === 'boolean' && options.attachComment); - if (collectComment || attachComment) { - commentHandler = new comment_handler_1.CommentHandler(); - commentHandler.attach = attachComment; - options.comment = true; - parserDelegate = proxyDelegate; - } - } - var isModule = false; - if (options && typeof options.sourceType === 'string') { - isModule = (options.sourceType === 'module'); - } - var parser; - if (options && typeof options.jsx === 'boolean' && options.jsx) { - parser = new jsx_parser_1.JSXParser(code, options, parserDelegate); - } - else { - parser = new parser_1.Parser(code, options, parserDelegate); - } - var program = isModule ? parser.parseModule() : parser.parseScript(); - var ast = program; - if (collectComment && commentHandler) { - ast.comments = commentHandler.comments; - } - if (parser.config.tokens) { - ast.tokens = parser.tokens; - } - if (parser.config.tolerant) { - ast.errors = parser.errorHandler.errors; - } - return ast; - } - exports.parse = parse; - function parseModule(code, options, delegate) { - var parsingOptions = options || {}; - parsingOptions.sourceType = 'module'; - return parse(code, parsingOptions, delegate); - } - exports.parseModule = parseModule; - function parseScript(code, options, delegate) { - var parsingOptions = options || {}; - parsingOptions.sourceType = 'script'; - return parse(code, parsingOptions, delegate); - } - exports.parseScript = parseScript; - function tokenize(code, options, delegate) { - var tokenizer = new tokenizer_1.Tokenizer(code, options); - var tokens; - tokens = []; - try { - while (true) { - var token = tokenizer.getNextToken(); - if (!token) { - break; - } - if (delegate) { - token = delegate(token); - } - tokens.push(token); - } - } - catch (e) { - tokenizer.errorHandler.tolerate(e); - } - if (tokenizer.errorHandler.tolerant) { - tokens.errors = tokenizer.errors(); - } - return tokens; - } - exports.tokenize = tokenize; - var syntax_1 = __webpack_require__(2); - exports.Syntax = syntax_1.Syntax; - // Sync with *.json manifests. - exports.version = '4.0.1'; - - -/***/ }, -/* 1 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - var syntax_1 = __webpack_require__(2); - var CommentHandler = (function () { - function CommentHandler() { - this.attach = false; - this.comments = []; - this.stack = []; - this.leading = []; - this.trailing = []; - } - CommentHandler.prototype.insertInnerComments = function (node, metadata) { - // innnerComments for properties empty block - // `function a() {/** comments **\/}` - if (node.type === syntax_1.Syntax.BlockStatement && node.body.length === 0) { - var innerComments = []; - for (var i = this.leading.length - 1; i >= 0; --i) { - var entry = this.leading[i]; - if (metadata.end.offset >= entry.start) { - innerComments.unshift(entry.comment); - this.leading.splice(i, 1); - this.trailing.splice(i, 1); - } - } - if (innerComments.length) { - node.innerComments = innerComments; - } - } - }; - CommentHandler.prototype.findTrailingComments = function (metadata) { - var trailingComments = []; - if (this.trailing.length > 0) { - for (var i = this.trailing.length - 1; i >= 0; --i) { - var entry_1 = this.trailing[i]; - if (entry_1.start >= metadata.end.offset) { - trailingComments.unshift(entry_1.comment); - } - } - this.trailing.length = 0; - return trailingComments; - } - var entry = this.stack[this.stack.length - 1]; - if (entry && entry.node.trailingComments) { - var firstComment = entry.node.trailingComments[0]; - if (firstComment && firstComment.range[0] >= metadata.end.offset) { - trailingComments = entry.node.trailingComments; - delete entry.node.trailingComments; - } - } - return trailingComments; - }; - CommentHandler.prototype.findLeadingComments = function (metadata) { - var leadingComments = []; - var target; - while (this.stack.length > 0) { - var entry = this.stack[this.stack.length - 1]; - if (entry && entry.start >= metadata.start.offset) { - target = entry.node; - this.stack.pop(); - } - else { - break; - } - } - if (target) { - var count = target.leadingComments ? target.leadingComments.length : 0; - for (var i = count - 1; i >= 0; --i) { - var comment = target.leadingComments[i]; - if (comment.range[1] <= metadata.start.offset) { - leadingComments.unshift(comment); - target.leadingComments.splice(i, 1); - } - } - if (target.leadingComments && target.leadingComments.length === 0) { - delete target.leadingComments; - } - return leadingComments; - } - for (var i = this.leading.length - 1; i >= 0; --i) { - var entry = this.leading[i]; - if (entry.start <= metadata.start.offset) { - leadingComments.unshift(entry.comment); - this.leading.splice(i, 1); - } - } - return leadingComments; - }; - CommentHandler.prototype.visitNode = function (node, metadata) { - if (node.type === syntax_1.Syntax.Program && node.body.length > 0) { - return; - } - this.insertInnerComments(node, metadata); - var trailingComments = this.findTrailingComments(metadata); - var leadingComments = this.findLeadingComments(metadata); - if (leadingComments.length > 0) { - node.leadingComments = leadingComments; - } - if (trailingComments.length > 0) { - node.trailingComments = trailingComments; - } - this.stack.push({ - node: node, - start: metadata.start.offset - }); - }; - CommentHandler.prototype.visitComment = function (node, metadata) { - var type = (node.type[0] === 'L') ? 'Line' : 'Block'; - var comment = { - type: type, - value: node.value - }; - if (node.range) { - comment.range = node.range; - } - if (node.loc) { - comment.loc = node.loc; - } - this.comments.push(comment); - if (this.attach) { - var entry = { - comment: { - type: type, - value: node.value, - range: [metadata.start.offset, metadata.end.offset] - }, - start: metadata.start.offset - }; - if (node.loc) { - entry.comment.loc = node.loc; - } - node.type = type; - this.leading.push(entry); - this.trailing.push(entry); - } - }; - CommentHandler.prototype.visit = function (node, metadata) { - if (node.type === 'LineComment') { - this.visitComment(node, metadata); - } - else if (node.type === 'BlockComment') { - this.visitComment(node, metadata); - } - else if (this.attach) { - this.visitNode(node, metadata); - } - }; - return CommentHandler; - }()); - exports.CommentHandler = CommentHandler; - - -/***/ }, -/* 2 */ -/***/ function(module, exports) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - exports.Syntax = { - AssignmentExpression: 'AssignmentExpression', - AssignmentPattern: 'AssignmentPattern', - ArrayExpression: 'ArrayExpression', - ArrayPattern: 'ArrayPattern', - ArrowFunctionExpression: 'ArrowFunctionExpression', - AwaitExpression: 'AwaitExpression', - BlockStatement: 'BlockStatement', - BinaryExpression: 'BinaryExpression', - BreakStatement: 'BreakStatement', - CallExpression: 'CallExpression', - CatchClause: 'CatchClause', - ClassBody: 'ClassBody', - ClassDeclaration: 'ClassDeclaration', - ClassExpression: 'ClassExpression', - ConditionalExpression: 'ConditionalExpression', - ContinueStatement: 'ContinueStatement', - DoWhileStatement: 'DoWhileStatement', - DebuggerStatement: 'DebuggerStatement', - EmptyStatement: 'EmptyStatement', - ExportAllDeclaration: 'ExportAllDeclaration', - ExportDefaultDeclaration: 'ExportDefaultDeclaration', - ExportNamedDeclaration: 'ExportNamedDeclaration', - ExportSpecifier: 'ExportSpecifier', - ExpressionStatement: 'ExpressionStatement', - ForStatement: 'ForStatement', - ForOfStatement: 'ForOfStatement', - ForInStatement: 'ForInStatement', - FunctionDeclaration: 'FunctionDeclaration', - FunctionExpression: 'FunctionExpression', - Identifier: 'Identifier', - IfStatement: 'IfStatement', - ImportDeclaration: 'ImportDeclaration', - ImportDefaultSpecifier: 'ImportDefaultSpecifier', - ImportNamespaceSpecifier: 'ImportNamespaceSpecifier', - ImportSpecifier: 'ImportSpecifier', - Literal: 'Literal', - LabeledStatement: 'LabeledStatement', - LogicalExpression: 'LogicalExpression', - MemberExpression: 'MemberExpression', - MetaProperty: 'MetaProperty', - MethodDefinition: 'MethodDefinition', - NewExpression: 'NewExpression', - ObjectExpression: 'ObjectExpression', - ObjectPattern: 'ObjectPattern', - Program: 'Program', - Property: 'Property', - RestElement: 'RestElement', - ReturnStatement: 'ReturnStatement', - SequenceExpression: 'SequenceExpression', - SpreadElement: 'SpreadElement', - Super: 'Super', - SwitchCase: 'SwitchCase', - SwitchStatement: 'SwitchStatement', - TaggedTemplateExpression: 'TaggedTemplateExpression', - TemplateElement: 'TemplateElement', - TemplateLiteral: 'TemplateLiteral', - ThisExpression: 'ThisExpression', - ThrowStatement: 'ThrowStatement', - TryStatement: 'TryStatement', - UnaryExpression: 'UnaryExpression', - UpdateExpression: 'UpdateExpression', - VariableDeclaration: 'VariableDeclaration', - VariableDeclarator: 'VariableDeclarator', - WhileStatement: 'WhileStatement', - WithStatement: 'WithStatement', - YieldExpression: 'YieldExpression' - }; - - -/***/ }, -/* 3 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; -/* istanbul ignore next */ - var __extends = (this && this.__extends) || (function () { - var extendStatics = Object.setPrototypeOf || - ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || - function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; - return function (d, b) { - extendStatics(d, b); - function __() { this.constructor = d; } - d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); - }; - })(); - Object.defineProperty(exports, "__esModule", { value: true }); - var character_1 = __webpack_require__(4); - var JSXNode = __webpack_require__(5); - var jsx_syntax_1 = __webpack_require__(6); - var Node = __webpack_require__(7); - var parser_1 = __webpack_require__(8); - var token_1 = __webpack_require__(13); - var xhtml_entities_1 = __webpack_require__(14); - token_1.TokenName[100 /* Identifier */] = 'JSXIdentifier'; - token_1.TokenName[101 /* Text */] = 'JSXText'; - // Fully qualified element name, e.g. returns "svg:path" - function getQualifiedElementName(elementName) { - var qualifiedName; - switch (elementName.type) { - case jsx_syntax_1.JSXSyntax.JSXIdentifier: - var id = elementName; - qualifiedName = id.name; - break; - case jsx_syntax_1.JSXSyntax.JSXNamespacedName: - var ns = elementName; - qualifiedName = getQualifiedElementName(ns.namespace) + ':' + - getQualifiedElementName(ns.name); - break; - case jsx_syntax_1.JSXSyntax.JSXMemberExpression: - var expr = elementName; - qualifiedName = getQualifiedElementName(expr.object) + '.' + - getQualifiedElementName(expr.property); - break; - /* istanbul ignore next */ - default: - break; - } - return qualifiedName; - } - var JSXParser = (function (_super) { - __extends(JSXParser, _super); - function JSXParser(code, options, delegate) { - return _super.call(this, code, options, delegate) || this; - } - JSXParser.prototype.parsePrimaryExpression = function () { - return this.match('<') ? this.parseJSXRoot() : _super.prototype.parsePrimaryExpression.call(this); - }; - JSXParser.prototype.startJSX = function () { - // Unwind the scanner before the lookahead token. - this.scanner.index = this.startMarker.index; - this.scanner.lineNumber = this.startMarker.line; - this.scanner.lineStart = this.startMarker.index - this.startMarker.column; - }; - JSXParser.prototype.finishJSX = function () { - // Prime the next lookahead. - this.nextToken(); - }; - JSXParser.prototype.reenterJSX = function () { - this.startJSX(); - this.expectJSX('}'); - // Pop the closing '}' added from the lookahead. - if (this.config.tokens) { - this.tokens.pop(); - } - }; - JSXParser.prototype.createJSXNode = function () { - this.collectComments(); - return { - index: this.scanner.index, - line: this.scanner.lineNumber, - column: this.scanner.index - this.scanner.lineStart - }; - }; - JSXParser.prototype.createJSXChildNode = function () { - return { - index: this.scanner.index, - line: this.scanner.lineNumber, - column: this.scanner.index - this.scanner.lineStart - }; - }; - JSXParser.prototype.scanXHTMLEntity = function (quote) { - var result = '&'; - var valid = true; - var terminated = false; - var numeric = false; - var hex = false; - while (!this.scanner.eof() && valid && !terminated) { - var ch = this.scanner.source[this.scanner.index]; - if (ch === quote) { - break; - } - terminated = (ch === ';'); - result += ch; - ++this.scanner.index; - if (!terminated) { - switch (result.length) { - case 2: - // e.g. '{' - numeric = (ch === '#'); - break; - case 3: - if (numeric) { - // e.g. 'A' - hex = (ch === 'x'); - valid = hex || character_1.Character.isDecimalDigit(ch.charCodeAt(0)); - numeric = numeric && !hex; - } - break; - default: - valid = valid && !(numeric && !character_1.Character.isDecimalDigit(ch.charCodeAt(0))); - valid = valid && !(hex && !character_1.Character.isHexDigit(ch.charCodeAt(0))); - break; - } - } - } - if (valid && terminated && result.length > 2) { - // e.g. 'A' becomes just '#x41' - var str = result.substr(1, result.length - 2); - if (numeric && str.length > 1) { - result = String.fromCharCode(parseInt(str.substr(1), 10)); - } - else if (hex && str.length > 2) { - result = String.fromCharCode(parseInt('0' + str.substr(1), 16)); - } - else if (!numeric && !hex && xhtml_entities_1.XHTMLEntities[str]) { - result = xhtml_entities_1.XHTMLEntities[str]; - } - } - return result; - }; - // Scan the next JSX token. This replaces Scanner#lex when in JSX mode. - JSXParser.prototype.lexJSX = function () { - var cp = this.scanner.source.charCodeAt(this.scanner.index); - // < > / : = { } - if (cp === 60 || cp === 62 || cp === 47 || cp === 58 || cp === 61 || cp === 123 || cp === 125) { - var value = this.scanner.source[this.scanner.index++]; - return { - type: 7 /* Punctuator */, - value: value, - lineNumber: this.scanner.lineNumber, - lineStart: this.scanner.lineStart, - start: this.scanner.index - 1, - end: this.scanner.index - }; - } - // " ' - if (cp === 34 || cp === 39) { - var start = this.scanner.index; - var quote = this.scanner.source[this.scanner.index++]; - var str = ''; - while (!this.scanner.eof()) { - var ch = this.scanner.source[this.scanner.index++]; - if (ch === quote) { - break; - } - else if (ch === '&') { - str += this.scanXHTMLEntity(quote); - } - else { - str += ch; - } - } - return { - type: 8 /* StringLiteral */, - value: str, - lineNumber: this.scanner.lineNumber, - lineStart: this.scanner.lineStart, - start: start, - end: this.scanner.index - }; - } - // ... or . - if (cp === 46) { - var n1 = this.scanner.source.charCodeAt(this.scanner.index + 1); - var n2 = this.scanner.source.charCodeAt(this.scanner.index + 2); - var value = (n1 === 46 && n2 === 46) ? '...' : '.'; - var start = this.scanner.index; - this.scanner.index += value.length; - return { - type: 7 /* Punctuator */, - value: value, - lineNumber: this.scanner.lineNumber, - lineStart: this.scanner.lineStart, - start: start, - end: this.scanner.index - }; - } - // ` - if (cp === 96) { - // Only placeholder, since it will be rescanned as a real assignment expression. - return { - type: 10 /* Template */, - value: '', - lineNumber: this.scanner.lineNumber, - lineStart: this.scanner.lineStart, - start: this.scanner.index, - end: this.scanner.index - }; - } - // Identifer can not contain backslash (char code 92). - if (character_1.Character.isIdentifierStart(cp) && (cp !== 92)) { - var start = this.scanner.index; - ++this.scanner.index; - while (!this.scanner.eof()) { - var ch = this.scanner.source.charCodeAt(this.scanner.index); - if (character_1.Character.isIdentifierPart(ch) && (ch !== 92)) { - ++this.scanner.index; - } - else if (ch === 45) { - // Hyphen (char code 45) can be part of an identifier. - ++this.scanner.index; - } - else { - break; - } - } - var id = this.scanner.source.slice(start, this.scanner.index); - return { - type: 100 /* Identifier */, - value: id, - lineNumber: this.scanner.lineNumber, - lineStart: this.scanner.lineStart, - start: start, - end: this.scanner.index - }; - } - return this.scanner.lex(); - }; - JSXParser.prototype.nextJSXToken = function () { - this.collectComments(); - this.startMarker.index = this.scanner.index; - this.startMarker.line = this.scanner.lineNumber; - this.startMarker.column = this.scanner.index - this.scanner.lineStart; - var token = this.lexJSX(); - this.lastMarker.index = this.scanner.index; - this.lastMarker.line = this.scanner.lineNumber; - this.lastMarker.column = this.scanner.index - this.scanner.lineStart; - if (this.config.tokens) { - this.tokens.push(this.convertToken(token)); - } - return token; - }; - JSXParser.prototype.nextJSXText = function () { - this.startMarker.index = this.scanner.index; - this.startMarker.line = this.scanner.lineNumber; - this.startMarker.column = this.scanner.index - this.scanner.lineStart; - var start = this.scanner.index; - var text = ''; - while (!this.scanner.eof()) { - var ch = this.scanner.source[this.scanner.index]; - if (ch === '{' || ch === '<') { - break; - } - ++this.scanner.index; - text += ch; - if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) { - ++this.scanner.lineNumber; - if (ch === '\r' && this.scanner.source[this.scanner.index] === '\n') { - ++this.scanner.index; - } - this.scanner.lineStart = this.scanner.index; - } - } - this.lastMarker.index = this.scanner.index; - this.lastMarker.line = this.scanner.lineNumber; - this.lastMarker.column = this.scanner.index - this.scanner.lineStart; - var token = { - type: 101 /* Text */, - value: text, - lineNumber: this.scanner.lineNumber, - lineStart: this.scanner.lineStart, - start: start, - end: this.scanner.index - }; - if ((text.length > 0) && this.config.tokens) { - this.tokens.push(this.convertToken(token)); - } - return token; - }; - JSXParser.prototype.peekJSXToken = function () { - var state = this.scanner.saveState(); - this.scanner.scanComments(); - var next = this.lexJSX(); - this.scanner.restoreState(state); - return next; - }; - // Expect the next JSX token to match the specified punctuator. - // If not, an exception will be thrown. - JSXParser.prototype.expectJSX = function (value) { - var token = this.nextJSXToken(); - if (token.type !== 7 /* Punctuator */ || token.value !== value) { - this.throwUnexpectedToken(token); - } - }; - // Return true if the next JSX token matches the specified punctuator. - JSXParser.prototype.matchJSX = function (value) { - var next = this.peekJSXToken(); - return next.type === 7 /* Punctuator */ && next.value === value; - }; - JSXParser.prototype.parseJSXIdentifier = function () { - var node = this.createJSXNode(); - var token = this.nextJSXToken(); - if (token.type !== 100 /* Identifier */) { - this.throwUnexpectedToken(token); - } - return this.finalize(node, new JSXNode.JSXIdentifier(token.value)); - }; - JSXParser.prototype.parseJSXElementName = function () { - var node = this.createJSXNode(); - var elementName = this.parseJSXIdentifier(); - if (this.matchJSX(':')) { - var namespace = elementName; - this.expectJSX(':'); - var name_1 = this.parseJSXIdentifier(); - elementName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_1)); - } - else if (this.matchJSX('.')) { - while (this.matchJSX('.')) { - var object = elementName; - this.expectJSX('.'); - var property = this.parseJSXIdentifier(); - elementName = this.finalize(node, new JSXNode.JSXMemberExpression(object, property)); - } - } - return elementName; - }; - JSXParser.prototype.parseJSXAttributeName = function () { - var node = this.createJSXNode(); - var attributeName; - var identifier = this.parseJSXIdentifier(); - if (this.matchJSX(':')) { - var namespace = identifier; - this.expectJSX(':'); - var name_2 = this.parseJSXIdentifier(); - attributeName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_2)); - } - else { - attributeName = identifier; - } - return attributeName; - }; - JSXParser.prototype.parseJSXStringLiteralAttribute = function () { - var node = this.createJSXNode(); - var token = this.nextJSXToken(); - if (token.type !== 8 /* StringLiteral */) { - this.throwUnexpectedToken(token); - } - var raw = this.getTokenRaw(token); - return this.finalize(node, new Node.Literal(token.value, raw)); - }; - JSXParser.prototype.parseJSXExpressionAttribute = function () { - var node = this.createJSXNode(); - this.expectJSX('{'); - this.finishJSX(); - if (this.match('}')) { - this.tolerateError('JSX attributes must only be assigned a non-empty expression'); - } - var expression = this.parseAssignmentExpression(); - this.reenterJSX(); - return this.finalize(node, new JSXNode.JSXExpressionContainer(expression)); - }; - JSXParser.prototype.parseJSXAttributeValue = function () { - return this.matchJSX('{') ? this.parseJSXExpressionAttribute() : - this.matchJSX('<') ? this.parseJSXElement() : this.parseJSXStringLiteralAttribute(); - }; - JSXParser.prototype.parseJSXNameValueAttribute = function () { - var node = this.createJSXNode(); - var name = this.parseJSXAttributeName(); - var value = null; - if (this.matchJSX('=')) { - this.expectJSX('='); - value = this.parseJSXAttributeValue(); - } - return this.finalize(node, new JSXNode.JSXAttribute(name, value)); - }; - JSXParser.prototype.parseJSXSpreadAttribute = function () { - var node = this.createJSXNode(); - this.expectJSX('{'); - this.expectJSX('...'); - this.finishJSX(); - var argument = this.parseAssignmentExpression(); - this.reenterJSX(); - return this.finalize(node, new JSXNode.JSXSpreadAttribute(argument)); - }; - JSXParser.prototype.parseJSXAttributes = function () { - var attributes = []; - while (!this.matchJSX('/') && !this.matchJSX('>')) { - var attribute = this.matchJSX('{') ? this.parseJSXSpreadAttribute() : - this.parseJSXNameValueAttribute(); - attributes.push(attribute); - } - return attributes; - }; - JSXParser.prototype.parseJSXOpeningElement = function () { - var node = this.createJSXNode(); - this.expectJSX('<'); - var name = this.parseJSXElementName(); - var attributes = this.parseJSXAttributes(); - var selfClosing = this.matchJSX('/'); - if (selfClosing) { - this.expectJSX('/'); - } - this.expectJSX('>'); - return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes)); - }; - JSXParser.prototype.parseJSXBoundaryElement = function () { - var node = this.createJSXNode(); - this.expectJSX('<'); - if (this.matchJSX('/')) { - this.expectJSX('/'); - var name_3 = this.parseJSXElementName(); - this.expectJSX('>'); - return this.finalize(node, new JSXNode.JSXClosingElement(name_3)); - } - var name = this.parseJSXElementName(); - var attributes = this.parseJSXAttributes(); - var selfClosing = this.matchJSX('/'); - if (selfClosing) { - this.expectJSX('/'); - } - this.expectJSX('>'); - return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes)); - }; - JSXParser.prototype.parseJSXEmptyExpression = function () { - var node = this.createJSXChildNode(); - this.collectComments(); - this.lastMarker.index = this.scanner.index; - this.lastMarker.line = this.scanner.lineNumber; - this.lastMarker.column = this.scanner.index - this.scanner.lineStart; - return this.finalize(node, new JSXNode.JSXEmptyExpression()); - }; - JSXParser.prototype.parseJSXExpressionContainer = function () { - var node = this.createJSXNode(); - this.expectJSX('{'); - var expression; - if (this.matchJSX('}')) { - expression = this.parseJSXEmptyExpression(); - this.expectJSX('}'); - } - else { - this.finishJSX(); - expression = this.parseAssignmentExpression(); - this.reenterJSX(); - } - return this.finalize(node, new JSXNode.JSXExpressionContainer(expression)); - }; - JSXParser.prototype.parseJSXChildren = function () { - var children = []; - while (!this.scanner.eof()) { - var node = this.createJSXChildNode(); - var token = this.nextJSXText(); - if (token.start < token.end) { - var raw = this.getTokenRaw(token); - var child = this.finalize(node, new JSXNode.JSXText(token.value, raw)); - children.push(child); - } - if (this.scanner.source[this.scanner.index] === '{') { - var container = this.parseJSXExpressionContainer(); - children.push(container); - } - else { - break; - } - } - return children; - }; - JSXParser.prototype.parseComplexJSXElement = function (el) { - var stack = []; - while (!this.scanner.eof()) { - el.children = el.children.concat(this.parseJSXChildren()); - var node = this.createJSXChildNode(); - var element = this.parseJSXBoundaryElement(); - if (element.type === jsx_syntax_1.JSXSyntax.JSXOpeningElement) { - var opening = element; - if (opening.selfClosing) { - var child = this.finalize(node, new JSXNode.JSXElement(opening, [], null)); - el.children.push(child); - } - else { - stack.push(el); - el = { node: node, opening: opening, closing: null, children: [] }; - } - } - if (element.type === jsx_syntax_1.JSXSyntax.JSXClosingElement) { - el.closing = element; - var open_1 = getQualifiedElementName(el.opening.name); - var close_1 = getQualifiedElementName(el.closing.name); - if (open_1 !== close_1) { - this.tolerateError('Expected corresponding JSX closing tag for %0', open_1); - } - if (stack.length > 0) { - var child = this.finalize(el.node, new JSXNode.JSXElement(el.opening, el.children, el.closing)); - el = stack[stack.length - 1]; - el.children.push(child); - stack.pop(); - } - else { - break; - } - } - } - return el; - }; - JSXParser.prototype.parseJSXElement = function () { - var node = this.createJSXNode(); - var opening = this.parseJSXOpeningElement(); - var children = []; - var closing = null; - if (!opening.selfClosing) { - var el = this.parseComplexJSXElement({ node: node, opening: opening, closing: closing, children: children }); - children = el.children; - closing = el.closing; - } - return this.finalize(node, new JSXNode.JSXElement(opening, children, closing)); - }; - JSXParser.prototype.parseJSXRoot = function () { - // Pop the opening '<' added from the lookahead. - if (this.config.tokens) { - this.tokens.pop(); - } - this.startJSX(); - var element = this.parseJSXElement(); - this.finishJSX(); - return element; - }; - JSXParser.prototype.isStartOfExpression = function () { - return _super.prototype.isStartOfExpression.call(this) || this.match('<'); - }; - return JSXParser; - }(parser_1.Parser)); - exports.JSXParser = JSXParser; - - -/***/ }, -/* 4 */ -/***/ function(module, exports) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - // See also tools/generate-unicode-regex.js. - var Regex = { - // Unicode v8.0.0 NonAsciiIdentifierStart: - NonAsciiIdentifierStart: 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- // Unicode v8.0.0 NonAsciiIdentifierPart: - NonAsciiIdentifierPart: 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- }; - exports.Character = { - /* tslint:disable:no-bitwise */ - fromCodePoint: function (cp) { - return (cp < 0x10000) ? String.fromCharCode(cp) : - String.fromCharCode(0xD800 + ((cp - 0x10000) >> 10)) + - String.fromCharCode(0xDC00 + ((cp - 0x10000) & 1023)); - }, - // https://tc39.github.io/ecma262/#sec-white-space - isWhiteSpace: function (cp) { - return (cp === 0x20) || (cp === 0x09) || (cp === 0x0B) || (cp === 0x0C) || (cp === 0xA0) || - (cp >= 0x1680 && [0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(cp) >= 0); - }, - // https://tc39.github.io/ecma262/#sec-line-terminators - isLineTerminator: function (cp) { - return (cp === 0x0A) || (cp === 0x0D) || (cp === 0x2028) || (cp === 0x2029); - }, - // https://tc39.github.io/ecma262/#sec-names-and-keywords - isIdentifierStart: function (cp) { - return (cp === 0x24) || (cp === 0x5F) || - (cp >= 0x41 && cp <= 0x5A) || - (cp >= 0x61 && cp <= 0x7A) || - (cp === 0x5C) || - ((cp >= 0x80) && Regex.NonAsciiIdentifierStart.test(exports.Character.fromCodePoint(cp))); - }, - isIdentifierPart: function (cp) { - return (cp === 0x24) || (cp === 0x5F) || - (cp >= 0x41 && cp <= 0x5A) || - (cp >= 0x61 && cp <= 0x7A) || - (cp >= 0x30 && cp <= 0x39) || - (cp === 0x5C) || - ((cp >= 0x80) && Regex.NonAsciiIdentifierPart.test(exports.Character.fromCodePoint(cp))); - }, - // https://tc39.github.io/ecma262/#sec-literals-numeric-literals - isDecimalDigit: function (cp) { - return (cp >= 0x30 && cp <= 0x39); // 0..9 - }, - isHexDigit: function (cp) { - return (cp >= 0x30 && cp <= 0x39) || - (cp >= 0x41 && cp <= 0x46) || - (cp >= 0x61 && cp <= 0x66); // a..f - }, - isOctalDigit: function (cp) { - return (cp >= 0x30 && cp <= 0x37); // 0..7 - } - }; - - -/***/ }, -/* 5 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - var jsx_syntax_1 = __webpack_require__(6); - /* tslint:disable:max-classes-per-file */ - var JSXClosingElement = (function () { - function JSXClosingElement(name) { - this.type = jsx_syntax_1.JSXSyntax.JSXClosingElement; - this.name = name; - } - return JSXClosingElement; - }()); - exports.JSXClosingElement = JSXClosingElement; - var JSXElement = (function () { - function JSXElement(openingElement, children, closingElement) { - this.type = jsx_syntax_1.JSXSyntax.JSXElement; - this.openingElement = openingElement; - this.children = children; - this.closingElement = closingElement; - } - return JSXElement; - }()); - exports.JSXElement = JSXElement; - var JSXEmptyExpression = (function () { - function JSXEmptyExpression() { - this.type = jsx_syntax_1.JSXSyntax.JSXEmptyExpression; - } - return JSXEmptyExpression; - }()); - exports.JSXEmptyExpression = JSXEmptyExpression; - var JSXExpressionContainer = (function () { - function JSXExpressionContainer(expression) { - this.type = jsx_syntax_1.JSXSyntax.JSXExpressionContainer; - this.expression = expression; - } - return JSXExpressionContainer; - }()); - exports.JSXExpressionContainer = JSXExpressionContainer; - var JSXIdentifier = (function () { - function JSXIdentifier(name) { - this.type = jsx_syntax_1.JSXSyntax.JSXIdentifier; - this.name = name; - } - return JSXIdentifier; - }()); - exports.JSXIdentifier = JSXIdentifier; - var JSXMemberExpression = (function () { - function JSXMemberExpression(object, property) { - this.type = jsx_syntax_1.JSXSyntax.JSXMemberExpression; - this.object = object; - this.property = property; - } - return JSXMemberExpression; - }()); - exports.JSXMemberExpression = JSXMemberExpression; - var JSXAttribute = (function () { - function JSXAttribute(name, value) { - this.type = jsx_syntax_1.JSXSyntax.JSXAttribute; - this.name = name; - this.value = value; - } - return JSXAttribute; - }()); - exports.JSXAttribute = JSXAttribute; - var JSXNamespacedName = (function () { - function JSXNamespacedName(namespace, name) { - this.type = jsx_syntax_1.JSXSyntax.JSXNamespacedName; - this.namespace = namespace; - this.name = name; - } - return JSXNamespacedName; - }()); - exports.JSXNamespacedName = JSXNamespacedName; - var JSXOpeningElement = (function () { - function JSXOpeningElement(name, selfClosing, attributes) { - this.type = jsx_syntax_1.JSXSyntax.JSXOpeningElement; - this.name = name; - this.selfClosing = selfClosing; - this.attributes = attributes; - } - return JSXOpeningElement; - }()); - exports.JSXOpeningElement = JSXOpeningElement; - var JSXSpreadAttribute = (function () { - function JSXSpreadAttribute(argument) { - this.type = jsx_syntax_1.JSXSyntax.JSXSpreadAttribute; - this.argument = argument; - } - return JSXSpreadAttribute; - }()); - exports.JSXSpreadAttribute = JSXSpreadAttribute; - var JSXText = (function () { - function JSXText(value, raw) { - this.type = jsx_syntax_1.JSXSyntax.JSXText; - this.value = value; - this.raw = raw; - } - return JSXText; - }()); - exports.JSXText = JSXText; - - -/***/ }, -/* 6 */ -/***/ function(module, exports) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - exports.JSXSyntax = { - JSXAttribute: 'JSXAttribute', - JSXClosingElement: 'JSXClosingElement', - JSXElement: 'JSXElement', - JSXEmptyExpression: 'JSXEmptyExpression', - JSXExpressionContainer: 'JSXExpressionContainer', - JSXIdentifier: 'JSXIdentifier', - JSXMemberExpression: 'JSXMemberExpression', - JSXNamespacedName: 'JSXNamespacedName', - JSXOpeningElement: 'JSXOpeningElement', - JSXSpreadAttribute: 'JSXSpreadAttribute', - JSXText: 'JSXText' - }; - - -/***/ }, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - var syntax_1 = __webpack_require__(2); - /* tslint:disable:max-classes-per-file */ - var ArrayExpression = (function () { - function ArrayExpression(elements) { - this.type = syntax_1.Syntax.ArrayExpression; - this.elements = elements; - } - return ArrayExpression; - }()); - exports.ArrayExpression = ArrayExpression; - var ArrayPattern = (function () { - function ArrayPattern(elements) { - this.type = syntax_1.Syntax.ArrayPattern; - this.elements = elements; - } - return ArrayPattern; - }()); - exports.ArrayPattern = ArrayPattern; - var ArrowFunctionExpression = (function () { - function ArrowFunctionExpression(params, body, expression) { - this.type = syntax_1.Syntax.ArrowFunctionExpression; - this.id = null; - this.params = params; - this.body = body; - this.generator = false; - this.expression = expression; - this.async = false; - } - return ArrowFunctionExpression; - }()); - exports.ArrowFunctionExpression = ArrowFunctionExpression; - var AssignmentExpression = (function () { - function AssignmentExpression(operator, left, right) { - this.type = syntax_1.Syntax.AssignmentExpression; - this.operator = operator; - this.left = left; - this.right = right; - } - return AssignmentExpression; - }()); - exports.AssignmentExpression = AssignmentExpression; - var AssignmentPattern = (function () { - function AssignmentPattern(left, right) { - this.type = syntax_1.Syntax.AssignmentPattern; - this.left = left; - this.right = right; - } - return AssignmentPattern; - }()); - exports.AssignmentPattern = AssignmentPattern; - var AsyncArrowFunctionExpression = (function () { - function AsyncArrowFunctionExpression(params, body, expression) { - this.type = syntax_1.Syntax.ArrowFunctionExpression; - this.id = null; - this.params = params; - this.body = body; - this.generator = false; - this.expression = expression; - this.async = true; - } - return AsyncArrowFunctionExpression; - }()); - exports.AsyncArrowFunctionExpression = AsyncArrowFunctionExpression; - var AsyncFunctionDeclaration = (function () { - function AsyncFunctionDeclaration(id, params, body) { - this.type = syntax_1.Syntax.FunctionDeclaration; - this.id = id; - this.params = params; - this.body = body; - this.generator = false; - this.expression = false; - this.async = true; - } - return AsyncFunctionDeclaration; - }()); - exports.AsyncFunctionDeclaration = AsyncFunctionDeclaration; - var AsyncFunctionExpression = (function () { - function AsyncFunctionExpression(id, params, body) { - this.type = syntax_1.Syntax.FunctionExpression; - this.id = id; - this.params = params; - this.body = body; - this.generator = false; - this.expression = false; - this.async = true; - } - return AsyncFunctionExpression; - }()); - exports.AsyncFunctionExpression = AsyncFunctionExpression; - var AwaitExpression = (function () { - function AwaitExpression(argument) { - this.type = syntax_1.Syntax.AwaitExpression; - this.argument = argument; - } - return AwaitExpression; - }()); - exports.AwaitExpression = AwaitExpression; - var BinaryExpression = (function () { - function BinaryExpression(operator, left, right) { - var logical = (operator === '||' || operator === '&&'); - this.type = logical ? syntax_1.Syntax.LogicalExpression : syntax_1.Syntax.BinaryExpression; - this.operator = operator; - this.left = left; - this.right = right; - } - return BinaryExpression; - }()); - exports.BinaryExpression = BinaryExpression; - var BlockStatement = (function () { - function BlockStatement(body) { - this.type = syntax_1.Syntax.BlockStatement; - this.body = body; - } - return BlockStatement; - }()); - exports.BlockStatement = BlockStatement; - var BreakStatement = (function () { - function BreakStatement(label) { - this.type = syntax_1.Syntax.BreakStatement; - this.label = label; - } - return BreakStatement; - }()); - exports.BreakStatement = BreakStatement; - var CallExpression = (function () { - function CallExpression(callee, args) { - this.type = syntax_1.Syntax.CallExpression; - this.callee = callee; - this.arguments = args; - } - return CallExpression; - }()); - exports.CallExpression = CallExpression; - var CatchClause = (function () { - function CatchClause(param, body) { - this.type = syntax_1.Syntax.CatchClause; - this.param = param; - this.body = body; - } - return CatchClause; - }()); - exports.CatchClause = CatchClause; - var ClassBody = (function () { - function ClassBody(body) { - this.type = syntax_1.Syntax.ClassBody; - this.body = body; - } - return ClassBody; - }()); - exports.ClassBody = ClassBody; - var ClassDeclaration = (function () { - function ClassDeclaration(id, superClass, body) { - this.type = syntax_1.Syntax.ClassDeclaration; - this.id = id; - this.superClass = superClass; - this.body = body; - } - return ClassDeclaration; - }()); - exports.ClassDeclaration = ClassDeclaration; - var ClassExpression = (function () { - function ClassExpression(id, superClass, body) { - this.type = syntax_1.Syntax.ClassExpression; - this.id = id; - this.superClass = superClass; - this.body = body; - } - return ClassExpression; - }()); - exports.ClassExpression = ClassExpression; - var ComputedMemberExpression = (function () { - function ComputedMemberExpression(object, property) { - this.type = syntax_1.Syntax.MemberExpression; - this.computed = true; - this.object = object; - this.property = property; - } - return ComputedMemberExpression; - }()); - exports.ComputedMemberExpression = ComputedMemberExpression; - var ConditionalExpression = (function () { - function ConditionalExpression(test, consequent, alternate) { - this.type = syntax_1.Syntax.ConditionalExpression; - this.test = test; - this.consequent = consequent; - this.alternate = alternate; - } - return ConditionalExpression; - }()); - exports.ConditionalExpression = ConditionalExpression; - var ContinueStatement = (function () { - function ContinueStatement(label) { - this.type = syntax_1.Syntax.ContinueStatement; - this.label = label; - } - return ContinueStatement; - }()); - exports.ContinueStatement = ContinueStatement; - var DebuggerStatement = (function () { - function DebuggerStatement() { - this.type = syntax_1.Syntax.DebuggerStatement; - } - return DebuggerStatement; - }()); - exports.DebuggerStatement = DebuggerStatement; - var Directive = (function () { - function Directive(expression, directive) { - this.type = syntax_1.Syntax.ExpressionStatement; - this.expression = expression; - this.directive = directive; - } - return Directive; - }()); - exports.Directive = Directive; - var DoWhileStatement = (function () { - function DoWhileStatement(body, test) { - this.type = syntax_1.Syntax.DoWhileStatement; - this.body = body; - this.test = test; - } - return DoWhileStatement; - }()); - exports.DoWhileStatement = DoWhileStatement; - var EmptyStatement = (function () { - function EmptyStatement() { - this.type = syntax_1.Syntax.EmptyStatement; - } - return EmptyStatement; - }()); - exports.EmptyStatement = EmptyStatement; - var ExportAllDeclaration = (function () { - function ExportAllDeclaration(source) { - this.type = syntax_1.Syntax.ExportAllDeclaration; - this.source = source; - } - return ExportAllDeclaration; - }()); - exports.ExportAllDeclaration = ExportAllDeclaration; - var ExportDefaultDeclaration = (function () { - function ExportDefaultDeclaration(declaration) { - this.type = syntax_1.Syntax.ExportDefaultDeclaration; - this.declaration = declaration; - } - return ExportDefaultDeclaration; - }()); - exports.ExportDefaultDeclaration = ExportDefaultDeclaration; - var ExportNamedDeclaration = (function () { - function ExportNamedDeclaration(declaration, specifiers, source) { - this.type = syntax_1.Syntax.ExportNamedDeclaration; - this.declaration = declaration; - this.specifiers = specifiers; - this.source = source; - } - return ExportNamedDeclaration; - }()); - exports.ExportNamedDeclaration = ExportNamedDeclaration; - var ExportSpecifier = (function () { - function ExportSpecifier(local, exported) { - this.type = syntax_1.Syntax.ExportSpecifier; - this.exported = exported; - this.local = local; - } - return ExportSpecifier; - }()); - exports.ExportSpecifier = ExportSpecifier; - var ExpressionStatement = (function () { - function ExpressionStatement(expression) { - this.type = syntax_1.Syntax.ExpressionStatement; - this.expression = expression; - } - return ExpressionStatement; - }()); - exports.ExpressionStatement = ExpressionStatement; - var ForInStatement = (function () { - function ForInStatement(left, right, body) { - this.type = syntax_1.Syntax.ForInStatement; - this.left = left; - this.right = right; - this.body = body; - this.each = false; - } - return ForInStatement; - }()); - exports.ForInStatement = ForInStatement; - var ForOfStatement = (function () { - function ForOfStatement(left, right, body) { - this.type = syntax_1.Syntax.ForOfStatement; - this.left = left; - this.right = right; - this.body = body; - } - return ForOfStatement; - }()); - exports.ForOfStatement = ForOfStatement; - var ForStatement = (function () { - function ForStatement(init, test, update, body) { - this.type = syntax_1.Syntax.ForStatement; - this.init = init; - this.test = test; - this.update = update; - this.body = body; - } - return ForStatement; - }()); - exports.ForStatement = ForStatement; - var FunctionDeclaration = (function () { - function FunctionDeclaration(id, params, body, generator) { - this.type = syntax_1.Syntax.FunctionDeclaration; - this.id = id; - this.params = params; - this.body = body; - this.generator = generator; - this.expression = false; - this.async = false; - } - return FunctionDeclaration; - }()); - exports.FunctionDeclaration = FunctionDeclaration; - var FunctionExpression = (function () { - function FunctionExpression(id, params, body, generator) { - this.type = syntax_1.Syntax.FunctionExpression; - this.id = id; - this.params = params; - this.body = body; - this.generator = generator; - this.expression = false; - this.async = false; - } - return FunctionExpression; - }()); - exports.FunctionExpression = FunctionExpression; - var Identifier = (function () { - function Identifier(name) { - this.type = syntax_1.Syntax.Identifier; - this.name = name; - } - return Identifier; - }()); - exports.Identifier = Identifier; - var IfStatement = (function () { - function IfStatement(test, consequent, alternate) { - this.type = syntax_1.Syntax.IfStatement; - this.test = test; - this.consequent = consequent; - this.alternate = alternate; - } - return IfStatement; - }()); - exports.IfStatement = IfStatement; - var ImportDeclaration = (function () { - function ImportDeclaration(specifiers, source) { - this.type = syntax_1.Syntax.ImportDeclaration; - this.specifiers = specifiers; - this.source = source; - } - return ImportDeclaration; - }()); - exports.ImportDeclaration = ImportDeclaration; - var ImportDefaultSpecifier = (function () { - function ImportDefaultSpecifier(local) { - this.type = syntax_1.Syntax.ImportDefaultSpecifier; - this.local = local; - } - return ImportDefaultSpecifier; - }()); - exports.ImportDefaultSpecifier = ImportDefaultSpecifier; - var ImportNamespaceSpecifier = (function () { - function ImportNamespaceSpecifier(local) { - this.type = syntax_1.Syntax.ImportNamespaceSpecifier; - this.local = local; - } - return ImportNamespaceSpecifier; - }()); - exports.ImportNamespaceSpecifier = ImportNamespaceSpecifier; - var ImportSpecifier = (function () { - function ImportSpecifier(local, imported) { - this.type = syntax_1.Syntax.ImportSpecifier; - this.local = local; - this.imported = imported; - } - return ImportSpecifier; - }()); - exports.ImportSpecifier = ImportSpecifier; - var LabeledStatement = (function () { - function LabeledStatement(label, body) { - this.type = syntax_1.Syntax.LabeledStatement; - this.label = label; - this.body = body; - } - return LabeledStatement; - }()); - exports.LabeledStatement = LabeledStatement; - var Literal = (function () { - function Literal(value, raw) { - this.type = syntax_1.Syntax.Literal; - this.value = value; - this.raw = raw; - } - return Literal; - }()); - exports.Literal = Literal; - var MetaProperty = (function () { - function MetaProperty(meta, property) { - this.type = syntax_1.Syntax.MetaProperty; - this.meta = meta; - this.property = property; - } - return MetaProperty; - }()); - exports.MetaProperty = MetaProperty; - var MethodDefinition = (function () { - function MethodDefinition(key, computed, value, kind, isStatic) { - this.type = syntax_1.Syntax.MethodDefinition; - this.key = key; - this.computed = computed; - this.value = value; - this.kind = kind; - this.static = isStatic; - } - return MethodDefinition; - }()); - exports.MethodDefinition = MethodDefinition; - var Module = (function () { - function Module(body) { - this.type = syntax_1.Syntax.Program; - this.body = body; - this.sourceType = 'module'; - } - return Module; - }()); - exports.Module = Module; - var NewExpression = (function () { - function NewExpression(callee, args) { - this.type = syntax_1.Syntax.NewExpression; - this.callee = callee; - this.arguments = args; - } - return NewExpression; - }()); - exports.NewExpression = NewExpression; - var ObjectExpression = (function () { - function ObjectExpression(properties) { - this.type = syntax_1.Syntax.ObjectExpression; - this.properties = properties; - } - return ObjectExpression; - }()); - exports.ObjectExpression = ObjectExpression; - var ObjectPattern = (function () { - function ObjectPattern(properties) { - this.type = syntax_1.Syntax.ObjectPattern; - this.properties = properties; - } - return ObjectPattern; - }()); - exports.ObjectPattern = ObjectPattern; - var Property = (function () { - function Property(kind, key, computed, value, method, shorthand) { - this.type = syntax_1.Syntax.Property; - this.key = key; - this.computed = computed; - this.value = value; - this.kind = kind; - this.method = method; - this.shorthand = shorthand; - } - return Property; - }()); - exports.Property = Property; - var RegexLiteral = (function () { - function RegexLiteral(value, raw, pattern, flags) { - this.type = syntax_1.Syntax.Literal; - this.value = value; - this.raw = raw; - this.regex = { pattern: pattern, flags: flags }; - } - return RegexLiteral; - }()); - exports.RegexLiteral = RegexLiteral; - var RestElement = (function () { - function RestElement(argument) { - this.type = syntax_1.Syntax.RestElement; - this.argument = argument; - } - return RestElement; - }()); - exports.RestElement = RestElement; - var ReturnStatement = (function () { - function ReturnStatement(argument) { - this.type = syntax_1.Syntax.ReturnStatement; - this.argument = argument; - } - return ReturnStatement; - }()); - exports.ReturnStatement = ReturnStatement; - var Script = (function () { - function Script(body) { - this.type = syntax_1.Syntax.Program; - this.body = body; - this.sourceType = 'script'; - } - return Script; - }()); - exports.Script = Script; - var SequenceExpression = (function () { - function SequenceExpression(expressions) { - this.type = syntax_1.Syntax.SequenceExpression; - this.expressions = expressions; - } - return SequenceExpression; - }()); - exports.SequenceExpression = SequenceExpression; - var SpreadElement = (function () { - function SpreadElement(argument) { - this.type = syntax_1.Syntax.SpreadElement; - this.argument = argument; - } - return SpreadElement; - }()); - exports.SpreadElement = SpreadElement; - var StaticMemberExpression = (function () { - function StaticMemberExpression(object, property) { - this.type = syntax_1.Syntax.MemberExpression; - this.computed = false; - this.object = object; - this.property = property; - } - return StaticMemberExpression; - }()); - exports.StaticMemberExpression = StaticMemberExpression; - var Super = (function () { - function Super() { - this.type = syntax_1.Syntax.Super; - } - return Super; - }()); - exports.Super = Super; - var SwitchCase = (function () { - function SwitchCase(test, consequent) { - this.type = syntax_1.Syntax.SwitchCase; - this.test = test; - this.consequent = consequent; - } - return SwitchCase; - }()); - exports.SwitchCase = SwitchCase; - var SwitchStatement = (function () { - function SwitchStatement(discriminant, cases) { - this.type = syntax_1.Syntax.SwitchStatement; - this.discriminant = discriminant; - this.cases = cases; - } - return SwitchStatement; - }()); - exports.SwitchStatement = SwitchStatement; - var TaggedTemplateExpression = (function () { - function TaggedTemplateExpression(tag, quasi) { - this.type = syntax_1.Syntax.TaggedTemplateExpression; - this.tag = tag; - this.quasi = quasi; - } - return TaggedTemplateExpression; - }()); - exports.TaggedTemplateExpression = TaggedTemplateExpression; - var TemplateElement = (function () { - function TemplateElement(value, tail) { - this.type = syntax_1.Syntax.TemplateElement; - this.value = value; - this.tail = tail; - } - return TemplateElement; - }()); - exports.TemplateElement = TemplateElement; - var TemplateLiteral = (function () { - function TemplateLiteral(quasis, expressions) { - this.type = syntax_1.Syntax.TemplateLiteral; - this.quasis = quasis; - this.expressions = expressions; - } - return TemplateLiteral; - }()); - exports.TemplateLiteral = TemplateLiteral; - var ThisExpression = (function () { - function ThisExpression() { - this.type = syntax_1.Syntax.ThisExpression; - } - return ThisExpression; - }()); - exports.ThisExpression = ThisExpression; - var ThrowStatement = (function () { - function ThrowStatement(argument) { - this.type = syntax_1.Syntax.ThrowStatement; - this.argument = argument; - } - return ThrowStatement; - }()); - exports.ThrowStatement = ThrowStatement; - var TryStatement = (function () { - function TryStatement(block, handler, finalizer) { - this.type = syntax_1.Syntax.TryStatement; - this.block = block; - this.handler = handler; - this.finalizer = finalizer; - } - return TryStatement; - }()); - exports.TryStatement = TryStatement; - var UnaryExpression = (function () { - function UnaryExpression(operator, argument) { - this.type = syntax_1.Syntax.UnaryExpression; - this.operator = operator; - this.argument = argument; - this.prefix = true; - } - return UnaryExpression; - }()); - exports.UnaryExpression = UnaryExpression; - var UpdateExpression = (function () { - function UpdateExpression(operator, argument, prefix) { - this.type = syntax_1.Syntax.UpdateExpression; - this.operator = operator; - this.argument = argument; - this.prefix = prefix; - } - return UpdateExpression; - }()); - exports.UpdateExpression = UpdateExpression; - var VariableDeclaration = (function () { - function VariableDeclaration(declarations, kind) { - this.type = syntax_1.Syntax.VariableDeclaration; - this.declarations = declarations; - this.kind = kind; - } - return VariableDeclaration; - }()); - exports.VariableDeclaration = VariableDeclaration; - var VariableDeclarator = (function () { - function VariableDeclarator(id, init) { - this.type = syntax_1.Syntax.VariableDeclarator; - this.id = id; - this.init = init; - } - return VariableDeclarator; - }()); - exports.VariableDeclarator = VariableDeclarator; - var WhileStatement = (function () { - function WhileStatement(test, body) { - this.type = syntax_1.Syntax.WhileStatement; - this.test = test; - this.body = body; - } - return WhileStatement; - }()); - exports.WhileStatement = WhileStatement; - var WithStatement = (function () { - function WithStatement(object, body) { - this.type = syntax_1.Syntax.WithStatement; - this.object = object; - this.body = body; - } - return WithStatement; - }()); - exports.WithStatement = WithStatement; - var YieldExpression = (function () { - function YieldExpression(argument, delegate) { - this.type = syntax_1.Syntax.YieldExpression; - this.argument = argument; - this.delegate = delegate; - } - return YieldExpression; - }()); - exports.YieldExpression = YieldExpression; - - -/***/ }, -/* 8 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - var assert_1 = __webpack_require__(9); - var error_handler_1 = __webpack_require__(10); - var messages_1 = __webpack_require__(11); - var Node = __webpack_require__(7); - var scanner_1 = __webpack_require__(12); - var syntax_1 = __webpack_require__(2); - var token_1 = __webpack_require__(13); - var ArrowParameterPlaceHolder = 'ArrowParameterPlaceHolder'; - var Parser = (function () { - function Parser(code, options, delegate) { - if (options === void 0) { options = {}; } - this.config = { - range: (typeof options.range === 'boolean') && options.range, - loc: (typeof options.loc === 'boolean') && options.loc, - source: null, - tokens: (typeof options.tokens === 'boolean') && options.tokens, - comment: (typeof options.comment === 'boolean') && options.comment, - tolerant: (typeof options.tolerant === 'boolean') && options.tolerant - }; - if (this.config.loc && options.source && options.source !== null) { - this.config.source = String(options.source); - } - this.delegate = delegate; - this.errorHandler = new error_handler_1.ErrorHandler(); - this.errorHandler.tolerant = this.config.tolerant; - this.scanner = new scanner_1.Scanner(code, this.errorHandler); - this.scanner.trackComment = this.config.comment; - this.operatorPrecedence = { - ')': 0, - ';': 0, - ',': 0, - '=': 0, - ']': 0, - '||': 1, - '&&': 2, - '|': 3, - '^': 4, - '&': 5, - '==': 6, - '!=': 6, - '===': 6, - '!==': 6, - '<': 7, - '>': 7, - '<=': 7, - '>=': 7, - '<<': 8, - '>>': 8, - '>>>': 8, - '+': 9, - '-': 9, - '*': 11, - '/': 11, - '%': 11 - }; - this.lookahead = { - type: 2 /* EOF */, - value: '', - lineNumber: this.scanner.lineNumber, - lineStart: 0, - start: 0, - end: 0 - }; - this.hasLineTerminator = false; - this.context = { - isModule: false, - await: false, - allowIn: true, - allowStrictDirective: true, - allowYield: true, - firstCoverInitializedNameError: null, - isAssignmentTarget: false, - isBindingElement: false, - inFunctionBody: false, - inIteration: false, - inSwitch: false, - labelSet: {}, - strict: false - }; - this.tokens = []; - this.startMarker = { - index: 0, - line: this.scanner.lineNumber, - column: 0 - }; - this.lastMarker = { - index: 0, - line: this.scanner.lineNumber, - column: 0 - }; - this.nextToken(); - this.lastMarker = { - index: this.scanner.index, - line: this.scanner.lineNumber, - column: this.scanner.index - this.scanner.lineStart - }; - } - Parser.prototype.throwError = function (messageFormat) { - var values = []; - for (var _i = 1; _i < arguments.length; _i++) { - values[_i - 1] = arguments[_i]; - } - var args = Array.prototype.slice.call(arguments, 1); - var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) { - assert_1.assert(idx < args.length, 'Message reference must be in range'); - return args[idx]; - }); - var index = this.lastMarker.index; - var line = this.lastMarker.line; - var column = this.lastMarker.column + 1; - throw this.errorHandler.createError(index, line, column, msg); - }; - Parser.prototype.tolerateError = function (messageFormat) { - var values = []; - for (var _i = 1; _i < arguments.length; _i++) { - values[_i - 1] = arguments[_i]; - } - var args = Array.prototype.slice.call(arguments, 1); - var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) { - assert_1.assert(idx < args.length, 'Message reference must be in range'); - return args[idx]; - }); - var index = this.lastMarker.index; - var line = this.scanner.lineNumber; - var column = this.lastMarker.column + 1; - this.errorHandler.tolerateError(index, line, column, msg); - }; - // Throw an exception because of the token. - Parser.prototype.unexpectedTokenError = function (token, message) { - var msg = message || messages_1.Messages.UnexpectedToken; - var value; - if (token) { - if (!message) { - msg = (token.type === 2 /* EOF */) ? messages_1.Messages.UnexpectedEOS : - (token.type === 3 /* Identifier */) ? messages_1.Messages.UnexpectedIdentifier : - (token.type === 6 /* NumericLiteral */) ? messages_1.Messages.UnexpectedNumber : - (token.type === 8 /* StringLiteral */) ? messages_1.Messages.UnexpectedString : - (token.type === 10 /* Template */) ? messages_1.Messages.UnexpectedTemplate : - messages_1.Messages.UnexpectedToken; - if (token.type === 4 /* Keyword */) { - if (this.scanner.isFutureReservedWord(token.value)) { - msg = messages_1.Messages.UnexpectedReserved; - } - else if (this.context.strict && this.scanner.isStrictModeReservedWord(token.value)) { - msg = messages_1.Messages.StrictReservedWord; - } - } - } - value = token.value; - } - else { - value = 'ILLEGAL'; - } - msg = msg.replace('%0', value); - if (token && typeof token.lineNumber === 'number') { - var index = token.start; - var line = token.lineNumber; - var lastMarkerLineStart = this.lastMarker.index - this.lastMarker.column; - var column = token.start - lastMarkerLineStart + 1; - return this.errorHandler.createError(index, line, column, msg); - } - else { - var index = this.lastMarker.index; - var line = this.lastMarker.line; - var column = this.lastMarker.column + 1; - return this.errorHandler.createError(index, line, column, msg); - } - }; - Parser.prototype.throwUnexpectedToken = function (token, message) { - throw this.unexpectedTokenError(token, message); - }; - Parser.prototype.tolerateUnexpectedToken = function (token, message) { - this.errorHandler.tolerate(this.unexpectedTokenError(token, message)); - }; - Parser.prototype.collectComments = function () { - if (!this.config.comment) { - this.scanner.scanComments(); - } - else { - var comments = this.scanner.scanComments(); - if (comments.length > 0 && this.delegate) { - for (var i = 0; i < comments.length; ++i) { - var e = comments[i]; - var node = void 0; - node = { - type: e.multiLine ? 'BlockComment' : 'LineComment', - value: this.scanner.source.slice(e.slice[0], e.slice[1]) - }; - if (this.config.range) { - node.range = e.range; - } - if (this.config.loc) { - node.loc = e.loc; - } - var metadata = { - start: { - line: e.loc.start.line, - column: e.loc.start.column, - offset: e.range[0] - }, - end: { - line: e.loc.end.line, - column: e.loc.end.column, - offset: e.range[1] - } - }; - this.delegate(node, metadata); - } - } - } - }; - // From internal representation to an external structure - Parser.prototype.getTokenRaw = function (token) { - return this.scanner.source.slice(token.start, token.end); - }; - Parser.prototype.convertToken = function (token) { - var t = { - type: token_1.TokenName[token.type], - value: this.getTokenRaw(token) - }; - if (this.config.range) { - t.range = [token.start, token.end]; - } - if (this.config.loc) { - t.loc = { - start: { - line: this.startMarker.line, - column: this.startMarker.column - }, - end: { - line: this.scanner.lineNumber, - column: this.scanner.index - this.scanner.lineStart - } - }; - } - if (token.type === 9 /* RegularExpression */) { - var pattern = token.pattern; - var flags = token.flags; - t.regex = { pattern: pattern, flags: flags }; - } - return t; - }; - Parser.prototype.nextToken = function () { - var token = this.lookahead; - this.lastMarker.index = this.scanner.index; - this.lastMarker.line = this.scanner.lineNumber; - this.lastMarker.column = this.scanner.index - this.scanner.lineStart; - this.collectComments(); - if (this.scanner.index !== this.startMarker.index) { - this.startMarker.index = this.scanner.index; - this.startMarker.line = this.scanner.lineNumber; - this.startMarker.column = this.scanner.index - this.scanner.lineStart; - } - var next = this.scanner.lex(); - this.hasLineTerminator = (token.lineNumber !== next.lineNumber); - if (next && this.context.strict && next.type === 3 /* Identifier */) { - if (this.scanner.isStrictModeReservedWord(next.value)) { - next.type = 4 /* Keyword */; - } - } - this.lookahead = next; - if (this.config.tokens && next.type !== 2 /* EOF */) { - this.tokens.push(this.convertToken(next)); - } - return token; - }; - Parser.prototype.nextRegexToken = function () { - this.collectComments(); - var token = this.scanner.scanRegExp(); - if (this.config.tokens) { - // Pop the previous token, '/' or '/=' - // This is added from the lookahead token. - this.tokens.pop(); - this.tokens.push(this.convertToken(token)); - } - // Prime the next lookahead. - this.lookahead = token; - this.nextToken(); - return token; - }; - Parser.prototype.createNode = function () { - return { - index: this.startMarker.index, - line: this.startMarker.line, - column: this.startMarker.column - }; - }; - Parser.prototype.startNode = function (token, lastLineStart) { - if (lastLineStart === void 0) { lastLineStart = 0; } - var column = token.start - token.lineStart; - var line = token.lineNumber; - if (column < 0) { - column += lastLineStart; - line--; - } - return { - index: token.start, - line: line, - column: column - }; - }; - Parser.prototype.finalize = function (marker, node) { - if (this.config.range) { - node.range = [marker.index, this.lastMarker.index]; - } - if (this.config.loc) { - node.loc = { - start: { - line: marker.line, - column: marker.column, - }, - end: { - line: this.lastMarker.line, - column: this.lastMarker.column - } - }; - if (this.config.source) { - node.loc.source = this.config.source; - } - } - if (this.delegate) { - var metadata = { - start: { - line: marker.line, - column: marker.column, - offset: marker.index - }, - end: { - line: this.lastMarker.line, - column: this.lastMarker.column, - offset: this.lastMarker.index - } - }; - this.delegate(node, metadata); - } - return node; - }; - // Expect the next token to match the specified punctuator. - // If not, an exception will be thrown. - Parser.prototype.expect = function (value) { - var token = this.nextToken(); - if (token.type !== 7 /* Punctuator */ || token.value !== value) { - this.throwUnexpectedToken(token); - } - }; - // Quietly expect a comma when in tolerant mode, otherwise delegates to expect(). - Parser.prototype.expectCommaSeparator = function () { - if (this.config.tolerant) { - var token = this.lookahead; - if (token.type === 7 /* Punctuator */ && token.value === ',') { - this.nextToken(); - } - else if (token.type === 7 /* Punctuator */ && token.value === ';') { - this.nextToken(); - this.tolerateUnexpectedToken(token); - } - else { - this.tolerateUnexpectedToken(token, messages_1.Messages.UnexpectedToken); - } - } - else { - this.expect(','); - } - }; - // Expect the next token to match the specified keyword. - // If not, an exception will be thrown. - Parser.prototype.expectKeyword = function (keyword) { - var token = this.nextToken(); - if (token.type !== 4 /* Keyword */ || token.value !== keyword) { - this.throwUnexpectedToken(token); - } - }; - // Return true if the next token matches the specified punctuator. - Parser.prototype.match = function (value) { - return this.lookahead.type === 7 /* Punctuator */ && this.lookahead.value === value; - }; - // Return true if the next token matches the specified keyword - Parser.prototype.matchKeyword = function (keyword) { - return this.lookahead.type === 4 /* Keyword */ && this.lookahead.value === keyword; - }; - // Return true if the next token matches the specified contextual keyword - // (where an identifier is sometimes a keyword depending on the context) - Parser.prototype.matchContextualKeyword = function (keyword) { - return this.lookahead.type === 3 /* Identifier */ && this.lookahead.value === keyword; - }; - // Return true if the next token is an assignment operator - Parser.prototype.matchAssign = function () { - if (this.lookahead.type !== 7 /* Punctuator */) { - return false; - } - var op = this.lookahead.value; - return op === '=' || - op === '*=' || - op === '**=' || - op === '/=' || - op === '%=' || - op === '+=' || - op === '-=' || - op === '<<=' || - op === '>>=' || - op === '>>>=' || - op === '&=' || - op === '^=' || - op === '|='; - }; - // Cover grammar support. - // - // When an assignment expression position starts with an left parenthesis, the determination of the type - // of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead) - // or the first comma. This situation also defers the determination of all the expressions nested in the pair. - // - // There are three productions that can be parsed in a parentheses pair that needs to be determined - // after the outermost pair is closed. They are: - // - // 1. AssignmentExpression - // 2. BindingElements - // 3. AssignmentTargets - // - // In order to avoid exponential backtracking, we use two flags to denote if the production can be - // binding element or assignment target. - // - // The three productions have the relationship: - // - // BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression - // - // with a single exception that CoverInitializedName when used directly in an Expression, generates - // an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the - // first usage of CoverInitializedName and report it when we reached the end of the parentheses pair. - // - // isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not - // effect the current flags. This means the production the parser parses is only used as an expression. Therefore - // the CoverInitializedName check is conducted. - // - // inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates - // the flags outside of the parser. This means the production the parser parses is used as a part of a potential - // pattern. The CoverInitializedName check is deferred. - Parser.prototype.isolateCoverGrammar = function (parseFunction) { - var previousIsBindingElement = this.context.isBindingElement; - var previousIsAssignmentTarget = this.context.isAssignmentTarget; - var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError; - this.context.isBindingElement = true; - this.context.isAssignmentTarget = true; - this.context.firstCoverInitializedNameError = null; - var result = parseFunction.call(this); - if (this.context.firstCoverInitializedNameError !== null) { - this.throwUnexpectedToken(this.context.firstCoverInitializedNameError); - } - this.context.isBindingElement = previousIsBindingElement; - this.context.isAssignmentTarget = previousIsAssignmentTarget; - this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError; - return result; - }; - Parser.prototype.inheritCoverGrammar = function (parseFunction) { - var previousIsBindingElement = this.context.isBindingElement; - var previousIsAssignmentTarget = this.context.isAssignmentTarget; - var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError; - this.context.isBindingElement = true; - this.context.isAssignmentTarget = true; - this.context.firstCoverInitializedNameError = null; - var result = parseFunction.call(this); - this.context.isBindingElement = this.context.isBindingElement && previousIsBindingElement; - this.context.isAssignmentTarget = this.context.isAssignmentTarget && previousIsAssignmentTarget; - this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError || this.context.firstCoverInitializedNameError; - return result; - }; - Parser.prototype.consumeSemicolon = function () { - if (this.match(';')) { - this.nextToken(); - } - else if (!this.hasLineTerminator) { - if (this.lookahead.type !== 2 /* EOF */ && !this.match('}')) { - this.throwUnexpectedToken(this.lookahead); - } - this.lastMarker.index = this.startMarker.index; - this.lastMarker.line = this.startMarker.line; - this.lastMarker.column = this.startMarker.column; - } - }; - // https://tc39.github.io/ecma262/#sec-primary-expression - Parser.prototype.parsePrimaryExpression = function () { - var node = this.createNode(); - var expr; - var token, raw; - switch (this.lookahead.type) { - case 3 /* Identifier */: - if ((this.context.isModule || this.context.await) && this.lookahead.value === 'await') { - this.tolerateUnexpectedToken(this.lookahead); - } - expr = this.matchAsyncFunction() ? this.parseFunctionExpression() : this.finalize(node, new Node.Identifier(this.nextToken().value)); - break; - case 6 /* NumericLiteral */: - case 8 /* StringLiteral */: - if (this.context.strict && this.lookahead.octal) { - this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.StrictOctalLiteral); - } - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - token = this.nextToken(); - raw = this.getTokenRaw(token); - expr = this.finalize(node, new Node.Literal(token.value, raw)); - break; - case 1 /* BooleanLiteral */: - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - token = this.nextToken(); - raw = this.getTokenRaw(token); - expr = this.finalize(node, new Node.Literal(token.value === 'true', raw)); - break; - case 5 /* NullLiteral */: - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - token = this.nextToken(); - raw = this.getTokenRaw(token); - expr = this.finalize(node, new Node.Literal(null, raw)); - break; - case 10 /* Template */: - expr = this.parseTemplateLiteral(); - break; - case 7 /* Punctuator */: - switch (this.lookahead.value) { - case '(': - this.context.isBindingElement = false; - expr = this.inheritCoverGrammar(this.parseGroupExpression); - break; - case '[': - expr = this.inheritCoverGrammar(this.parseArrayInitializer); - break; - case '{': - expr = this.inheritCoverGrammar(this.parseObjectInitializer); - break; - case '/': - case '/=': - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - this.scanner.index = this.startMarker.index; - token = this.nextRegexToken(); - raw = this.getTokenRaw(token); - expr = this.finalize(node, new Node.RegexLiteral(token.regex, raw, token.pattern, token.flags)); - break; - default: - expr = this.throwUnexpectedToken(this.nextToken()); - } - break; - case 4 /* Keyword */: - if (!this.context.strict && this.context.allowYield && this.matchKeyword('yield')) { - expr = this.parseIdentifierName(); - } - else if (!this.context.strict && this.matchKeyword('let')) { - expr = this.finalize(node, new Node.Identifier(this.nextToken().value)); - } - else { - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - if (this.matchKeyword('function')) { - expr = this.parseFunctionExpression(); - } - else if (this.matchKeyword('this')) { - this.nextToken(); - expr = this.finalize(node, new Node.ThisExpression()); - } - else if (this.matchKeyword('class')) { - expr = this.parseClassExpression(); - } - else { - expr = this.throwUnexpectedToken(this.nextToken()); - } - } - break; - default: - expr = this.throwUnexpectedToken(this.nextToken()); - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-array-initializer - Parser.prototype.parseSpreadElement = function () { - var node = this.createNode(); - this.expect('...'); - var arg = this.inheritCoverGrammar(this.parseAssignmentExpression); - return this.finalize(node, new Node.SpreadElement(arg)); - }; - Parser.prototype.parseArrayInitializer = function () { - var node = this.createNode(); - var elements = []; - this.expect('['); - while (!this.match(']')) { - if (this.match(',')) { - this.nextToken(); - elements.push(null); - } - else if (this.match('...')) { - var element = this.parseSpreadElement(); - if (!this.match(']')) { - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - this.expect(','); - } - elements.push(element); - } - else { - elements.push(this.inheritCoverGrammar(this.parseAssignmentExpression)); - if (!this.match(']')) { - this.expect(','); - } - } - } - this.expect(']'); - return this.finalize(node, new Node.ArrayExpression(elements)); - }; - // https://tc39.github.io/ecma262/#sec-object-initializer - Parser.prototype.parsePropertyMethod = function (params) { - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - var previousStrict = this.context.strict; - var previousAllowStrictDirective = this.context.allowStrictDirective; - this.context.allowStrictDirective = params.simple; - var body = this.isolateCoverGrammar(this.parseFunctionSourceElements); - if (this.context.strict && params.firstRestricted) { - this.tolerateUnexpectedToken(params.firstRestricted, params.message); - } - if (this.context.strict && params.stricted) { - this.tolerateUnexpectedToken(params.stricted, params.message); - } - this.context.strict = previousStrict; - this.context.allowStrictDirective = previousAllowStrictDirective; - return body; - }; - Parser.prototype.parsePropertyMethodFunction = function () { - var isGenerator = false; - var node = this.createNode(); - var previousAllowYield = this.context.allowYield; - this.context.allowYield = true; - var params = this.parseFormalParameters(); - var method = this.parsePropertyMethod(params); - this.context.allowYield = previousAllowYield; - return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator)); - }; - Parser.prototype.parsePropertyMethodAsyncFunction = function () { - var node = this.createNode(); - var previousAllowYield = this.context.allowYield; - var previousAwait = this.context.await; - this.context.allowYield = false; - this.context.await = true; - var params = this.parseFormalParameters(); - var method = this.parsePropertyMethod(params); - this.context.allowYield = previousAllowYield; - this.context.await = previousAwait; - return this.finalize(node, new Node.AsyncFunctionExpression(null, params.params, method)); - }; - Parser.prototype.parseObjectPropertyKey = function () { - var node = this.createNode(); - var token = this.nextToken(); - var key; - switch (token.type) { - case 8 /* StringLiteral */: - case 6 /* NumericLiteral */: - if (this.context.strict && token.octal) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictOctalLiteral); - } - var raw = this.getTokenRaw(token); - key = this.finalize(node, new Node.Literal(token.value, raw)); - break; - case 3 /* Identifier */: - case 1 /* BooleanLiteral */: - case 5 /* NullLiteral */: - case 4 /* Keyword */: - key = this.finalize(node, new Node.Identifier(token.value)); - break; - case 7 /* Punctuator */: - if (token.value === '[') { - key = this.isolateCoverGrammar(this.parseAssignmentExpression); - this.expect(']'); - } - else { - key = this.throwUnexpectedToken(token); - } - break; - default: - key = this.throwUnexpectedToken(token); - } - return key; - }; - Parser.prototype.isPropertyKey = function (key, value) { - return (key.type === syntax_1.Syntax.Identifier && key.name === value) || - (key.type === syntax_1.Syntax.Literal && key.value === value); - }; - Parser.prototype.parseObjectProperty = function (hasProto) { - var node = this.createNode(); - var token = this.lookahead; - var kind; - var key = null; - var value = null; - var computed = false; - var method = false; - var shorthand = false; - var isAsync = false; - if (token.type === 3 /* Identifier */) { - var id = token.value; - this.nextToken(); - computed = this.match('['); - isAsync = !this.hasLineTerminator && (id === 'async') && - !this.match(':') && !this.match('(') && !this.match('*') && !this.match(','); - key = isAsync ? this.parseObjectPropertyKey() : this.finalize(node, new Node.Identifier(id)); - } - else if (this.match('*')) { - this.nextToken(); - } - else { - computed = this.match('['); - key = this.parseObjectPropertyKey(); - } - var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead); - if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'get' && lookaheadPropertyKey) { - kind = 'get'; - computed = this.match('['); - key = this.parseObjectPropertyKey(); - this.context.allowYield = false; - value = this.parseGetterMethod(); - } - else if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'set' && lookaheadPropertyKey) { - kind = 'set'; - computed = this.match('['); - key = this.parseObjectPropertyKey(); - value = this.parseSetterMethod(); - } - else if (token.type === 7 /* Punctuator */ && token.value === '*' && lookaheadPropertyKey) { - kind = 'init'; - computed = this.match('['); - key = this.parseObjectPropertyKey(); - value = this.parseGeneratorMethod(); - method = true; - } - else { - if (!key) { - this.throwUnexpectedToken(this.lookahead); - } - kind = 'init'; - if (this.match(':') && !isAsync) { - if (!computed && this.isPropertyKey(key, '__proto__')) { - if (hasProto.value) { - this.tolerateError(messages_1.Messages.DuplicateProtoProperty); - } - hasProto.value = true; - } - this.nextToken(); - value = this.inheritCoverGrammar(this.parseAssignmentExpression); - } - else if (this.match('(')) { - value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction(); - method = true; - } - else if (token.type === 3 /* Identifier */) { - var id = this.finalize(node, new Node.Identifier(token.value)); - if (this.match('=')) { - this.context.firstCoverInitializedNameError = this.lookahead; - this.nextToken(); - shorthand = true; - var init = this.isolateCoverGrammar(this.parseAssignmentExpression); - value = this.finalize(node, new Node.AssignmentPattern(id, init)); - } - else { - shorthand = true; - value = id; - } - } - else { - this.throwUnexpectedToken(this.nextToken()); - } - } - return this.finalize(node, new Node.Property(kind, key, computed, value, method, shorthand)); - }; - Parser.prototype.parseObjectInitializer = function () { - var node = this.createNode(); - this.expect('{'); - var properties = []; - var hasProto = { value: false }; - while (!this.match('}')) { - properties.push(this.parseObjectProperty(hasProto)); - if (!this.match('}')) { - this.expectCommaSeparator(); - } - } - this.expect('}'); - return this.finalize(node, new Node.ObjectExpression(properties)); - }; - // https://tc39.github.io/ecma262/#sec-template-literals - Parser.prototype.parseTemplateHead = function () { - assert_1.assert(this.lookahead.head, 'Template literal must start with a template head'); - var node = this.createNode(); - var token = this.nextToken(); - var raw = token.value; - var cooked = token.cooked; - return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail)); - }; - Parser.prototype.parseTemplateElement = function () { - if (this.lookahead.type !== 10 /* Template */) { - this.throwUnexpectedToken(); - } - var node = this.createNode(); - var token = this.nextToken(); - var raw = token.value; - var cooked = token.cooked; - return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail)); - }; - Parser.prototype.parseTemplateLiteral = function () { - var node = this.createNode(); - var expressions = []; - var quasis = []; - var quasi = this.parseTemplateHead(); - quasis.push(quasi); - while (!quasi.tail) { - expressions.push(this.parseExpression()); - quasi = this.parseTemplateElement(); - quasis.push(quasi); - } - return this.finalize(node, new Node.TemplateLiteral(quasis, expressions)); - }; - // https://tc39.github.io/ecma262/#sec-grouping-operator - Parser.prototype.reinterpretExpressionAsPattern = function (expr) { - switch (expr.type) { - case syntax_1.Syntax.Identifier: - case syntax_1.Syntax.MemberExpression: - case syntax_1.Syntax.RestElement: - case syntax_1.Syntax.AssignmentPattern: - break; - case syntax_1.Syntax.SpreadElement: - expr.type = syntax_1.Syntax.RestElement; - this.reinterpretExpressionAsPattern(expr.argument); - break; - case syntax_1.Syntax.ArrayExpression: - expr.type = syntax_1.Syntax.ArrayPattern; - for (var i = 0; i < expr.elements.length; i++) { - if (expr.elements[i] !== null) { - this.reinterpretExpressionAsPattern(expr.elements[i]); - } - } - break; - case syntax_1.Syntax.ObjectExpression: - expr.type = syntax_1.Syntax.ObjectPattern; - for (var i = 0; i < expr.properties.length; i++) { - this.reinterpretExpressionAsPattern(expr.properties[i].value); - } - break; - case syntax_1.Syntax.AssignmentExpression: - expr.type = syntax_1.Syntax.AssignmentPattern; - delete expr.operator; - this.reinterpretExpressionAsPattern(expr.left); - break; - default: - // Allow other node type for tolerant parsing. - break; - } - }; - Parser.prototype.parseGroupExpression = function () { - var expr; - this.expect('('); - if (this.match(')')) { - this.nextToken(); - if (!this.match('=>')) { - this.expect('=>'); - } - expr = { - type: ArrowParameterPlaceHolder, - params: [], - async: false - }; - } - else { - var startToken = this.lookahead; - var params = []; - if (this.match('...')) { - expr = this.parseRestElement(params); - this.expect(')'); - if (!this.match('=>')) { - this.expect('=>'); - } - expr = { - type: ArrowParameterPlaceHolder, - params: [expr], - async: false - }; - } - else { - var arrow = false; - this.context.isBindingElement = true; - expr = this.inheritCoverGrammar(this.parseAssignmentExpression); - if (this.match(',')) { - var expressions = []; - this.context.isAssignmentTarget = false; - expressions.push(expr); - while (this.lookahead.type !== 2 /* EOF */) { - if (!this.match(',')) { - break; - } - this.nextToken(); - if (this.match(')')) { - this.nextToken(); - for (var i = 0; i < expressions.length; i++) { - this.reinterpretExpressionAsPattern(expressions[i]); - } - arrow = true; - expr = { - type: ArrowParameterPlaceHolder, - params: expressions, - async: false - }; - } - else if (this.match('...')) { - if (!this.context.isBindingElement) { - this.throwUnexpectedToken(this.lookahead); - } - expressions.push(this.parseRestElement(params)); - this.expect(')'); - if (!this.match('=>')) { - this.expect('=>'); - } - this.context.isBindingElement = false; - for (var i = 0; i < expressions.length; i++) { - this.reinterpretExpressionAsPattern(expressions[i]); - } - arrow = true; - expr = { - type: ArrowParameterPlaceHolder, - params: expressions, - async: false - }; - } - else { - expressions.push(this.inheritCoverGrammar(this.parseAssignmentExpression)); - } - if (arrow) { - break; - } - } - if (!arrow) { - expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions)); - } - } - if (!arrow) { - this.expect(')'); - if (this.match('=>')) { - if (expr.type === syntax_1.Syntax.Identifier && expr.name === 'yield') { - arrow = true; - expr = { - type: ArrowParameterPlaceHolder, - params: [expr], - async: false - }; - } - if (!arrow) { - if (!this.context.isBindingElement) { - this.throwUnexpectedToken(this.lookahead); - } - if (expr.type === syntax_1.Syntax.SequenceExpression) { - for (var i = 0; i < expr.expressions.length; i++) { - this.reinterpretExpressionAsPattern(expr.expressions[i]); - } - } - else { - this.reinterpretExpressionAsPattern(expr); - } - var parameters = (expr.type === syntax_1.Syntax.SequenceExpression ? expr.expressions : [expr]); - expr = { - type: ArrowParameterPlaceHolder, - params: parameters, - async: false - }; - } - } - this.context.isBindingElement = false; - } - } - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-left-hand-side-expressions - Parser.prototype.parseArguments = function () { - this.expect('('); - var args = []; - if (!this.match(')')) { - while (true) { - var expr = this.match('...') ? this.parseSpreadElement() : - this.isolateCoverGrammar(this.parseAssignmentExpression); - args.push(expr); - if (this.match(')')) { - break; - } - this.expectCommaSeparator(); - if (this.match(')')) { - break; - } - } - } - this.expect(')'); - return args; - }; - Parser.prototype.isIdentifierName = function (token) { - return token.type === 3 /* Identifier */ || - token.type === 4 /* Keyword */ || - token.type === 1 /* BooleanLiteral */ || - token.type === 5 /* NullLiteral */; - }; - Parser.prototype.parseIdentifierName = function () { - var node = this.createNode(); - var token = this.nextToken(); - if (!this.isIdentifierName(token)) { - this.throwUnexpectedToken(token); - } - return this.finalize(node, new Node.Identifier(token.value)); - }; - Parser.prototype.parseNewExpression = function () { - var node = this.createNode(); - var id = this.parseIdentifierName(); - assert_1.assert(id.name === 'new', 'New expression must start with `new`'); - var expr; - if (this.match('.')) { - this.nextToken(); - if (this.lookahead.type === 3 /* Identifier */ && this.context.inFunctionBody && this.lookahead.value === 'target') { - var property = this.parseIdentifierName(); - expr = new Node.MetaProperty(id, property); - } - else { - this.throwUnexpectedToken(this.lookahead); - } - } - else { - var callee = this.isolateCoverGrammar(this.parseLeftHandSideExpression); - var args = this.match('(') ? this.parseArguments() : []; - expr = new Node.NewExpression(callee, args); - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - } - return this.finalize(node, expr); - }; - Parser.prototype.parseAsyncArgument = function () { - var arg = this.parseAssignmentExpression(); - this.context.firstCoverInitializedNameError = null; - return arg; - }; - Parser.prototype.parseAsyncArguments = function () { - this.expect('('); - var args = []; - if (!this.match(')')) { - while (true) { - var expr = this.match('...') ? this.parseSpreadElement() : - this.isolateCoverGrammar(this.parseAsyncArgument); - args.push(expr); - if (this.match(')')) { - break; - } - this.expectCommaSeparator(); - if (this.match(')')) { - break; - } - } - } - this.expect(')'); - return args; - }; - Parser.prototype.parseLeftHandSideExpressionAllowCall = function () { - var startToken = this.lookahead; - var maybeAsync = this.matchContextualKeyword('async'); - var previousAllowIn = this.context.allowIn; - this.context.allowIn = true; - var expr; - if (this.matchKeyword('super') && this.context.inFunctionBody) { - expr = this.createNode(); - this.nextToken(); - expr = this.finalize(expr, new Node.Super()); - if (!this.match('(') && !this.match('.') && !this.match('[')) { - this.throwUnexpectedToken(this.lookahead); - } - } - else { - expr = this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression); - } - while (true) { - if (this.match('.')) { - this.context.isBindingElement = false; - this.context.isAssignmentTarget = true; - this.expect('.'); - var property = this.parseIdentifierName(); - expr = this.finalize(this.startNode(startToken), new Node.StaticMemberExpression(expr, property)); - } - else if (this.match('(')) { - var asyncArrow = maybeAsync && (startToken.lineNumber === this.lookahead.lineNumber); - this.context.isBindingElement = false; - this.context.isAssignmentTarget = false; - var args = asyncArrow ? this.parseAsyncArguments() : this.parseArguments(); - expr = this.finalize(this.startNode(startToken), new Node.CallExpression(expr, args)); - if (asyncArrow && this.match('=>')) { - for (var i = 0; i < args.length; ++i) { - this.reinterpretExpressionAsPattern(args[i]); - } - expr = { - type: ArrowParameterPlaceHolder, - params: args, - async: true - }; - } - } - else if (this.match('[')) { - this.context.isBindingElement = false; - this.context.isAssignmentTarget = true; - this.expect('['); - var property = this.isolateCoverGrammar(this.parseExpression); - this.expect(']'); - expr = this.finalize(this.startNode(startToken), new Node.ComputedMemberExpression(expr, property)); - } - else if (this.lookahead.type === 10 /* Template */ && this.lookahead.head) { - var quasi = this.parseTemplateLiteral(); - expr = this.finalize(this.startNode(startToken), new Node.TaggedTemplateExpression(expr, quasi)); - } - else { - break; - } - } - this.context.allowIn = previousAllowIn; - return expr; - }; - Parser.prototype.parseSuper = function () { - var node = this.createNode(); - this.expectKeyword('super'); - if (!this.match('[') && !this.match('.')) { - this.throwUnexpectedToken(this.lookahead); - } - return this.finalize(node, new Node.Super()); - }; - Parser.prototype.parseLeftHandSideExpression = function () { - assert_1.assert(this.context.allowIn, 'callee of new expression always allow in keyword.'); - var node = this.startNode(this.lookahead); - var expr = (this.matchKeyword('super') && this.context.inFunctionBody) ? this.parseSuper() : - this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression); - while (true) { - if (this.match('[')) { - this.context.isBindingElement = false; - this.context.isAssignmentTarget = true; - this.expect('['); - var property = this.isolateCoverGrammar(this.parseExpression); - this.expect(']'); - expr = this.finalize(node, new Node.ComputedMemberExpression(expr, property)); - } - else if (this.match('.')) { - this.context.isBindingElement = false; - this.context.isAssignmentTarget = true; - this.expect('.'); - var property = this.parseIdentifierName(); - expr = this.finalize(node, new Node.StaticMemberExpression(expr, property)); - } - else if (this.lookahead.type === 10 /* Template */ && this.lookahead.head) { - var quasi = this.parseTemplateLiteral(); - expr = this.finalize(node, new Node.TaggedTemplateExpression(expr, quasi)); - } - else { - break; - } - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-update-expressions - Parser.prototype.parseUpdateExpression = function () { - var expr; - var startToken = this.lookahead; - if (this.match('++') || this.match('--')) { - var node = this.startNode(startToken); - var token = this.nextToken(); - expr = this.inheritCoverGrammar(this.parseUnaryExpression); - if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) { - this.tolerateError(messages_1.Messages.StrictLHSPrefix); - } - if (!this.context.isAssignmentTarget) { - this.tolerateError(messages_1.Messages.InvalidLHSInAssignment); - } - var prefix = true; - expr = this.finalize(node, new Node.UpdateExpression(token.value, expr, prefix)); - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - } - else { - expr = this.inheritCoverGrammar(this.parseLeftHandSideExpressionAllowCall); - if (!this.hasLineTerminator && this.lookahead.type === 7 /* Punctuator */) { - if (this.match('++') || this.match('--')) { - if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) { - this.tolerateError(messages_1.Messages.StrictLHSPostfix); - } - if (!this.context.isAssignmentTarget) { - this.tolerateError(messages_1.Messages.InvalidLHSInAssignment); - } - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - var operator = this.nextToken().value; - var prefix = false; - expr = this.finalize(this.startNode(startToken), new Node.UpdateExpression(operator, expr, prefix)); - } - } - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-unary-operators - Parser.prototype.parseAwaitExpression = function () { - var node = this.createNode(); - this.nextToken(); - var argument = this.parseUnaryExpression(); - return this.finalize(node, new Node.AwaitExpression(argument)); - }; - Parser.prototype.parseUnaryExpression = function () { - var expr; - if (this.match('+') || this.match('-') || this.match('~') || this.match('!') || - this.matchKeyword('delete') || this.matchKeyword('void') || this.matchKeyword('typeof')) { - var node = this.startNode(this.lookahead); - var token = this.nextToken(); - expr = this.inheritCoverGrammar(this.parseUnaryExpression); - expr = this.finalize(node, new Node.UnaryExpression(token.value, expr)); - if (this.context.strict && expr.operator === 'delete' && expr.argument.type === syntax_1.Syntax.Identifier) { - this.tolerateError(messages_1.Messages.StrictDelete); - } - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - } - else if (this.context.await && this.matchContextualKeyword('await')) { - expr = this.parseAwaitExpression(); - } - else { - expr = this.parseUpdateExpression(); - } - return expr; - }; - Parser.prototype.parseExponentiationExpression = function () { - var startToken = this.lookahead; - var expr = this.inheritCoverGrammar(this.parseUnaryExpression); - if (expr.type !== syntax_1.Syntax.UnaryExpression && this.match('**')) { - this.nextToken(); - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - var left = expr; - var right = this.isolateCoverGrammar(this.parseExponentiationExpression); - expr = this.finalize(this.startNode(startToken), new Node.BinaryExpression('**', left, right)); - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-exp-operator - // https://tc39.github.io/ecma262/#sec-multiplicative-operators - // https://tc39.github.io/ecma262/#sec-additive-operators - // https://tc39.github.io/ecma262/#sec-bitwise-shift-operators - // https://tc39.github.io/ecma262/#sec-relational-operators - // https://tc39.github.io/ecma262/#sec-equality-operators - // https://tc39.github.io/ecma262/#sec-binary-bitwise-operators - // https://tc39.github.io/ecma262/#sec-binary-logical-operators - Parser.prototype.binaryPrecedence = function (token) { - var op = token.value; - var precedence; - if (token.type === 7 /* Punctuator */) { - precedence = this.operatorPrecedence[op] || 0; - } - else if (token.type === 4 /* Keyword */) { - precedence = (op === 'instanceof' || (this.context.allowIn && op === 'in')) ? 7 : 0; - } - else { - precedence = 0; - } - return precedence; - }; - Parser.prototype.parseBinaryExpression = function () { - var startToken = this.lookahead; - var expr = this.inheritCoverGrammar(this.parseExponentiationExpression); - var token = this.lookahead; - var prec = this.binaryPrecedence(token); - if (prec > 0) { - this.nextToken(); - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - var markers = [startToken, this.lookahead]; - var left = expr; - var right = this.isolateCoverGrammar(this.parseExponentiationExpression); - var stack = [left, token.value, right]; - var precedences = [prec]; - while (true) { - prec = this.binaryPrecedence(this.lookahead); - if (prec <= 0) { - break; - } - // Reduce: make a binary expression from the three topmost entries. - while ((stack.length > 2) && (prec <= precedences[precedences.length - 1])) { - right = stack.pop(); - var operator = stack.pop(); - precedences.pop(); - left = stack.pop(); - markers.pop(); - var node = this.startNode(markers[markers.length - 1]); - stack.push(this.finalize(node, new Node.BinaryExpression(operator, left, right))); - } - // Shift. - stack.push(this.nextToken().value); - precedences.push(prec); - markers.push(this.lookahead); - stack.push(this.isolateCoverGrammar(this.parseExponentiationExpression)); - } - // Final reduce to clean-up the stack. - var i = stack.length - 1; - expr = stack[i]; - var lastMarker = markers.pop(); - while (i > 1) { - var marker = markers.pop(); - var lastLineStart = lastMarker && lastMarker.lineStart; - var node = this.startNode(marker, lastLineStart); - var operator = stack[i - 1]; - expr = this.finalize(node, new Node.BinaryExpression(operator, stack[i - 2], expr)); - i -= 2; - lastMarker = marker; - } - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-conditional-operator - Parser.prototype.parseConditionalExpression = function () { - var startToken = this.lookahead; - var expr = this.inheritCoverGrammar(this.parseBinaryExpression); - if (this.match('?')) { - this.nextToken(); - var previousAllowIn = this.context.allowIn; - this.context.allowIn = true; - var consequent = this.isolateCoverGrammar(this.parseAssignmentExpression); - this.context.allowIn = previousAllowIn; - this.expect(':'); - var alternate = this.isolateCoverGrammar(this.parseAssignmentExpression); - expr = this.finalize(this.startNode(startToken), new Node.ConditionalExpression(expr, consequent, alternate)); - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-assignment-operators - Parser.prototype.checkPatternParam = function (options, param) { - switch (param.type) { - case syntax_1.Syntax.Identifier: - this.validateParam(options, param, param.name); - break; - case syntax_1.Syntax.RestElement: - this.checkPatternParam(options, param.argument); - break; - case syntax_1.Syntax.AssignmentPattern: - this.checkPatternParam(options, param.left); - break; - case syntax_1.Syntax.ArrayPattern: - for (var i = 0; i < param.elements.length; i++) { - if (param.elements[i] !== null) { - this.checkPatternParam(options, param.elements[i]); - } - } - break; - case syntax_1.Syntax.ObjectPattern: - for (var i = 0; i < param.properties.length; i++) { - this.checkPatternParam(options, param.properties[i].value); - } - break; - default: - break; - } - options.simple = options.simple && (param instanceof Node.Identifier); - }; - Parser.prototype.reinterpretAsCoverFormalsList = function (expr) { - var params = [expr]; - var options; - var asyncArrow = false; - switch (expr.type) { - case syntax_1.Syntax.Identifier: - break; - case ArrowParameterPlaceHolder: - params = expr.params; - asyncArrow = expr.async; - break; - default: - return null; - } - options = { - simple: true, - paramSet: {} - }; - for (var i = 0; i < params.length; ++i) { - var param = params[i]; - if (param.type === syntax_1.Syntax.AssignmentPattern) { - if (param.right.type === syntax_1.Syntax.YieldExpression) { - if (param.right.argument) { - this.throwUnexpectedToken(this.lookahead); - } - param.right.type = syntax_1.Syntax.Identifier; - param.right.name = 'yield'; - delete param.right.argument; - delete param.right.delegate; - } - } - else if (asyncArrow && param.type === syntax_1.Syntax.Identifier && param.name === 'await') { - this.throwUnexpectedToken(this.lookahead); - } - this.checkPatternParam(options, param); - params[i] = param; - } - if (this.context.strict || !this.context.allowYield) { - for (var i = 0; i < params.length; ++i) { - var param = params[i]; - if (param.type === syntax_1.Syntax.YieldExpression) { - this.throwUnexpectedToken(this.lookahead); - } - } - } - if (options.message === messages_1.Messages.StrictParamDupe) { - var token = this.context.strict ? options.stricted : options.firstRestricted; - this.throwUnexpectedToken(token, options.message); - } - return { - simple: options.simple, - params: params, - stricted: options.stricted, - firstRestricted: options.firstRestricted, - message: options.message - }; - }; - Parser.prototype.parseAssignmentExpression = function () { - var expr; - if (!this.context.allowYield && this.matchKeyword('yield')) { - expr = this.parseYieldExpression(); - } - else { - var startToken = this.lookahead; - var token = startToken; - expr = this.parseConditionalExpression(); - if (token.type === 3 /* Identifier */ && (token.lineNumber === this.lookahead.lineNumber) && token.value === 'async') { - if (this.lookahead.type === 3 /* Identifier */ || this.matchKeyword('yield')) { - var arg = this.parsePrimaryExpression(); - this.reinterpretExpressionAsPattern(arg); - expr = { - type: ArrowParameterPlaceHolder, - params: [arg], - async: true - }; - } - } - if (expr.type === ArrowParameterPlaceHolder || this.match('=>')) { - // https://tc39.github.io/ecma262/#sec-arrow-function-definitions - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - var isAsync = expr.async; - var list = this.reinterpretAsCoverFormalsList(expr); - if (list) { - if (this.hasLineTerminator) { - this.tolerateUnexpectedToken(this.lookahead); - } - this.context.firstCoverInitializedNameError = null; - var previousStrict = this.context.strict; - var previousAllowStrictDirective = this.context.allowStrictDirective; - this.context.allowStrictDirective = list.simple; - var previousAllowYield = this.context.allowYield; - var previousAwait = this.context.await; - this.context.allowYield = true; - this.context.await = isAsync; - var node = this.startNode(startToken); - this.expect('=>'); - var body = void 0; - if (this.match('{')) { - var previousAllowIn = this.context.allowIn; - this.context.allowIn = true; - body = this.parseFunctionSourceElements(); - this.context.allowIn = previousAllowIn; - } - else { - body = this.isolateCoverGrammar(this.parseAssignmentExpression); - } - var expression = body.type !== syntax_1.Syntax.BlockStatement; - if (this.context.strict && list.firstRestricted) { - this.throwUnexpectedToken(list.firstRestricted, list.message); - } - if (this.context.strict && list.stricted) { - this.tolerateUnexpectedToken(list.stricted, list.message); - } - expr = isAsync ? this.finalize(node, new Node.AsyncArrowFunctionExpression(list.params, body, expression)) : - this.finalize(node, new Node.ArrowFunctionExpression(list.params, body, expression)); - this.context.strict = previousStrict; - this.context.allowStrictDirective = previousAllowStrictDirective; - this.context.allowYield = previousAllowYield; - this.context.await = previousAwait; - } - } - else { - if (this.matchAssign()) { - if (!this.context.isAssignmentTarget) { - this.tolerateError(messages_1.Messages.InvalidLHSInAssignment); - } - if (this.context.strict && expr.type === syntax_1.Syntax.Identifier) { - var id = expr; - if (this.scanner.isRestrictedWord(id.name)) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictLHSAssignment); - } - if (this.scanner.isStrictModeReservedWord(id.name)) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord); - } - } - if (!this.match('=')) { - this.context.isAssignmentTarget = false; - this.context.isBindingElement = false; - } - else { - this.reinterpretExpressionAsPattern(expr); - } - token = this.nextToken(); - var operator = token.value; - var right = this.isolateCoverGrammar(this.parseAssignmentExpression); - expr = this.finalize(this.startNode(startToken), new Node.AssignmentExpression(operator, expr, right)); - this.context.firstCoverInitializedNameError = null; - } - } - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-comma-operator - Parser.prototype.parseExpression = function () { - var startToken = this.lookahead; - var expr = this.isolateCoverGrammar(this.parseAssignmentExpression); - if (this.match(',')) { - var expressions = []; - expressions.push(expr); - while (this.lookahead.type !== 2 /* EOF */) { - if (!this.match(',')) { - break; - } - this.nextToken(); - expressions.push(this.isolateCoverGrammar(this.parseAssignmentExpression)); - } - expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions)); - } - return expr; - }; - // https://tc39.github.io/ecma262/#sec-block - Parser.prototype.parseStatementListItem = function () { - var statement; - this.context.isAssignmentTarget = true; - this.context.isBindingElement = true; - if (this.lookahead.type === 4 /* Keyword */) { - switch (this.lookahead.value) { - case 'export': - if (!this.context.isModule) { - this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalExportDeclaration); - } - statement = this.parseExportDeclaration(); - break; - case 'import': - if (!this.context.isModule) { - this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalImportDeclaration); - } - statement = this.parseImportDeclaration(); - break; - case 'const': - statement = this.parseLexicalDeclaration({ inFor: false }); - break; - case 'function': - statement = this.parseFunctionDeclaration(); - break; - case 'class': - statement = this.parseClassDeclaration(); - break; - case 'let': - statement = this.isLexicalDeclaration() ? this.parseLexicalDeclaration({ inFor: false }) : this.parseStatement(); - break; - default: - statement = this.parseStatement(); - break; - } - } - else { - statement = this.parseStatement(); - } - return statement; - }; - Parser.prototype.parseBlock = function () { - var node = this.createNode(); - this.expect('{'); - var block = []; - while (true) { - if (this.match('}')) { - break; - } - block.push(this.parseStatementListItem()); - } - this.expect('}'); - return this.finalize(node, new Node.BlockStatement(block)); - }; - // https://tc39.github.io/ecma262/#sec-let-and-const-declarations - Parser.prototype.parseLexicalBinding = function (kind, options) { - var node = this.createNode(); - var params = []; - var id = this.parsePattern(params, kind); - if (this.context.strict && id.type === syntax_1.Syntax.Identifier) { - if (this.scanner.isRestrictedWord(id.name)) { - this.tolerateError(messages_1.Messages.StrictVarName); - } - } - var init = null; - if (kind === 'const') { - if (!this.matchKeyword('in') && !this.matchContextualKeyword('of')) { - if (this.match('=')) { - this.nextToken(); - init = this.isolateCoverGrammar(this.parseAssignmentExpression); - } - else { - this.throwError(messages_1.Messages.DeclarationMissingInitializer, 'const'); - } - } - } - else if ((!options.inFor && id.type !== syntax_1.Syntax.Identifier) || this.match('=')) { - this.expect('='); - init = this.isolateCoverGrammar(this.parseAssignmentExpression); - } - return this.finalize(node, new Node.VariableDeclarator(id, init)); - }; - Parser.prototype.parseBindingList = function (kind, options) { - var list = [this.parseLexicalBinding(kind, options)]; - while (this.match(',')) { - this.nextToken(); - list.push(this.parseLexicalBinding(kind, options)); - } - return list; - }; - Parser.prototype.isLexicalDeclaration = function () { - var state = this.scanner.saveState(); - this.scanner.scanComments(); - var next = this.scanner.lex(); - this.scanner.restoreState(state); - return (next.type === 3 /* Identifier */) || - (next.type === 7 /* Punctuator */ && next.value === '[') || - (next.type === 7 /* Punctuator */ && next.value === '{') || - (next.type === 4 /* Keyword */ && next.value === 'let') || - (next.type === 4 /* Keyword */ && next.value === 'yield'); - }; - Parser.prototype.parseLexicalDeclaration = function (options) { - var node = this.createNode(); - var kind = this.nextToken().value; - assert_1.assert(kind === 'let' || kind === 'const', 'Lexical declaration must be either let or const'); - var declarations = this.parseBindingList(kind, options); - this.consumeSemicolon(); - return this.finalize(node, new Node.VariableDeclaration(declarations, kind)); - }; - // https://tc39.github.io/ecma262/#sec-destructuring-binding-patterns - Parser.prototype.parseBindingRestElement = function (params, kind) { - var node = this.createNode(); - this.expect('...'); - var arg = this.parsePattern(params, kind); - return this.finalize(node, new Node.RestElement(arg)); - }; - Parser.prototype.parseArrayPattern = function (params, kind) { - var node = this.createNode(); - this.expect('['); - var elements = []; - while (!this.match(']')) { - if (this.match(',')) { - this.nextToken(); - elements.push(null); - } - else { - if (this.match('...')) { - elements.push(this.parseBindingRestElement(params, kind)); - break; - } - else { - elements.push(this.parsePatternWithDefault(params, kind)); - } - if (!this.match(']')) { - this.expect(','); - } - } - } - this.expect(']'); - return this.finalize(node, new Node.ArrayPattern(elements)); - }; - Parser.prototype.parsePropertyPattern = function (params, kind) { - var node = this.createNode(); - var computed = false; - var shorthand = false; - var method = false; - var key; - var value; - if (this.lookahead.type === 3 /* Identifier */) { - var keyToken = this.lookahead; - key = this.parseVariableIdentifier(); - var init = this.finalize(node, new Node.Identifier(keyToken.value)); - if (this.match('=')) { - params.push(keyToken); - shorthand = true; - this.nextToken(); - var expr = this.parseAssignmentExpression(); - value = this.finalize(this.startNode(keyToken), new Node.AssignmentPattern(init, expr)); - } - else if (!this.match(':')) { - params.push(keyToken); - shorthand = true; - value = init; - } - else { - this.expect(':'); - value = this.parsePatternWithDefault(params, kind); - } - } - else { - computed = this.match('['); - key = this.parseObjectPropertyKey(); - this.expect(':'); - value = this.parsePatternWithDefault(params, kind); - } - return this.finalize(node, new Node.Property('init', key, computed, value, method, shorthand)); - }; - Parser.prototype.parseObjectPattern = function (params, kind) { - var node = this.createNode(); - var properties = []; - this.expect('{'); - while (!this.match('}')) { - properties.push(this.parsePropertyPattern(params, kind)); - if (!this.match('}')) { - this.expect(','); - } - } - this.expect('}'); - return this.finalize(node, new Node.ObjectPattern(properties)); - }; - Parser.prototype.parsePattern = function (params, kind) { - var pattern; - if (this.match('[')) { - pattern = this.parseArrayPattern(params, kind); - } - else if (this.match('{')) { - pattern = this.parseObjectPattern(params, kind); - } - else { - if (this.matchKeyword('let') && (kind === 'const' || kind === 'let')) { - this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.LetInLexicalBinding); - } - params.push(this.lookahead); - pattern = this.parseVariableIdentifier(kind); - } - return pattern; - }; - Parser.prototype.parsePatternWithDefault = function (params, kind) { - var startToken = this.lookahead; - var pattern = this.parsePattern(params, kind); - if (this.match('=')) { - this.nextToken(); - var previousAllowYield = this.context.allowYield; - this.context.allowYield = true; - var right = this.isolateCoverGrammar(this.parseAssignmentExpression); - this.context.allowYield = previousAllowYield; - pattern = this.finalize(this.startNode(startToken), new Node.AssignmentPattern(pattern, right)); - } - return pattern; - }; - // https://tc39.github.io/ecma262/#sec-variable-statement - Parser.prototype.parseVariableIdentifier = function (kind) { - var node = this.createNode(); - var token = this.nextToken(); - if (token.type === 4 /* Keyword */ && token.value === 'yield') { - if (this.context.strict) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord); - } - else if (!this.context.allowYield) { - this.throwUnexpectedToken(token); - } - } - else if (token.type !== 3 /* Identifier */) { - if (this.context.strict && token.type === 4 /* Keyword */ && this.scanner.isStrictModeReservedWord(token.value)) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord); - } - else { - if (this.context.strict || token.value !== 'let' || kind !== 'var') { - this.throwUnexpectedToken(token); - } - } - } - else if ((this.context.isModule || this.context.await) && token.type === 3 /* Identifier */ && token.value === 'await') { - this.tolerateUnexpectedToken(token); - } - return this.finalize(node, new Node.Identifier(token.value)); - }; - Parser.prototype.parseVariableDeclaration = function (options) { - var node = this.createNode(); - var params = []; - var id = this.parsePattern(params, 'var'); - if (this.context.strict && id.type === syntax_1.Syntax.Identifier) { - if (this.scanner.isRestrictedWord(id.name)) { - this.tolerateError(messages_1.Messages.StrictVarName); - } - } - var init = null; - if (this.match('=')) { - this.nextToken(); - init = this.isolateCoverGrammar(this.parseAssignmentExpression); - } - else if (id.type !== syntax_1.Syntax.Identifier && !options.inFor) { - this.expect('='); - } - return this.finalize(node, new Node.VariableDeclarator(id, init)); - }; - Parser.prototype.parseVariableDeclarationList = function (options) { - var opt = { inFor: options.inFor }; - var list = []; - list.push(this.parseVariableDeclaration(opt)); - while (this.match(',')) { - this.nextToken(); - list.push(this.parseVariableDeclaration(opt)); - } - return list; - }; - Parser.prototype.parseVariableStatement = function () { - var node = this.createNode(); - this.expectKeyword('var'); - var declarations = this.parseVariableDeclarationList({ inFor: false }); - this.consumeSemicolon(); - return this.finalize(node, new Node.VariableDeclaration(declarations, 'var')); - }; - // https://tc39.github.io/ecma262/#sec-empty-statement - Parser.prototype.parseEmptyStatement = function () { - var node = this.createNode(); - this.expect(';'); - return this.finalize(node, new Node.EmptyStatement()); - }; - // https://tc39.github.io/ecma262/#sec-expression-statement - Parser.prototype.parseExpressionStatement = function () { - var node = this.createNode(); - var expr = this.parseExpression(); - this.consumeSemicolon(); - return this.finalize(node, new Node.ExpressionStatement(expr)); - }; - // https://tc39.github.io/ecma262/#sec-if-statement - Parser.prototype.parseIfClause = function () { - if (this.context.strict && this.matchKeyword('function')) { - this.tolerateError(messages_1.Messages.StrictFunction); - } - return this.parseStatement(); - }; - Parser.prototype.parseIfStatement = function () { - var node = this.createNode(); - var consequent; - var alternate = null; - this.expectKeyword('if'); - this.expect('('); - var test = this.parseExpression(); - if (!this.match(')') && this.config.tolerant) { - this.tolerateUnexpectedToken(this.nextToken()); - consequent = this.finalize(this.createNode(), new Node.EmptyStatement()); - } - else { - this.expect(')'); - consequent = this.parseIfClause(); - if (this.matchKeyword('else')) { - this.nextToken(); - alternate = this.parseIfClause(); - } - } - return this.finalize(node, new Node.IfStatement(test, consequent, alternate)); - }; - // https://tc39.github.io/ecma262/#sec-do-while-statement - Parser.prototype.parseDoWhileStatement = function () { - var node = this.createNode(); - this.expectKeyword('do'); - var previousInIteration = this.context.inIteration; - this.context.inIteration = true; - var body = this.parseStatement(); - this.context.inIteration = previousInIteration; - this.expectKeyword('while'); - this.expect('('); - var test = this.parseExpression(); - if (!this.match(')') && this.config.tolerant) { - this.tolerateUnexpectedToken(this.nextToken()); - } - else { - this.expect(')'); - if (this.match(';')) { - this.nextToken(); - } - } - return this.finalize(node, new Node.DoWhileStatement(body, test)); - }; - // https://tc39.github.io/ecma262/#sec-while-statement - Parser.prototype.parseWhileStatement = function () { - var node = this.createNode(); - var body; - this.expectKeyword('while'); - this.expect('('); - var test = this.parseExpression(); - if (!this.match(')') && this.config.tolerant) { - this.tolerateUnexpectedToken(this.nextToken()); - body = this.finalize(this.createNode(), new Node.EmptyStatement()); - } - else { - this.expect(')'); - var previousInIteration = this.context.inIteration; - this.context.inIteration = true; - body = this.parseStatement(); - this.context.inIteration = previousInIteration; - } - return this.finalize(node, new Node.WhileStatement(test, body)); - }; - // https://tc39.github.io/ecma262/#sec-for-statement - // https://tc39.github.io/ecma262/#sec-for-in-and-for-of-statements - Parser.prototype.parseForStatement = function () { - var init = null; - var test = null; - var update = null; - var forIn = true; - var left, right; - var node = this.createNode(); - this.expectKeyword('for'); - this.expect('('); - if (this.match(';')) { - this.nextToken(); - } - else { - if (this.matchKeyword('var')) { - init = this.createNode(); - this.nextToken(); - var previousAllowIn = this.context.allowIn; - this.context.allowIn = false; - var declarations = this.parseVariableDeclarationList({ inFor: true }); - this.context.allowIn = previousAllowIn; - if (declarations.length === 1 && this.matchKeyword('in')) { - var decl = declarations[0]; - if (decl.init && (decl.id.type === syntax_1.Syntax.ArrayPattern || decl.id.type === syntax_1.Syntax.ObjectPattern || this.context.strict)) { - this.tolerateError(messages_1.Messages.ForInOfLoopInitializer, 'for-in'); - } - init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var')); - this.nextToken(); - left = init; - right = this.parseExpression(); - init = null; - } - else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) { - init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var')); - this.nextToken(); - left = init; - right = this.parseAssignmentExpression(); - init = null; - forIn = false; - } - else { - init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var')); - this.expect(';'); - } - } - else if (this.matchKeyword('const') || this.matchKeyword('let')) { - init = this.createNode(); - var kind = this.nextToken().value; - if (!this.context.strict && this.lookahead.value === 'in') { - init = this.finalize(init, new Node.Identifier(kind)); - this.nextToken(); - left = init; - right = this.parseExpression(); - init = null; - } - else { - var previousAllowIn = this.context.allowIn; - this.context.allowIn = false; - var declarations = this.parseBindingList(kind, { inFor: true }); - this.context.allowIn = previousAllowIn; - if (declarations.length === 1 && declarations[0].init === null && this.matchKeyword('in')) { - init = this.finalize(init, new Node.VariableDeclaration(declarations, kind)); - this.nextToken(); - left = init; - right = this.parseExpression(); - init = null; - } - else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) { - init = this.finalize(init, new Node.VariableDeclaration(declarations, kind)); - this.nextToken(); - left = init; - right = this.parseAssignmentExpression(); - init = null; - forIn = false; - } - else { - this.consumeSemicolon(); - init = this.finalize(init, new Node.VariableDeclaration(declarations, kind)); - } - } - } - else { - var initStartToken = this.lookahead; - var previousAllowIn = this.context.allowIn; - this.context.allowIn = false; - init = this.inheritCoverGrammar(this.parseAssignmentExpression); - this.context.allowIn = previousAllowIn; - if (this.matchKeyword('in')) { - if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) { - this.tolerateError(messages_1.Messages.InvalidLHSInForIn); - } - this.nextToken(); - this.reinterpretExpressionAsPattern(init); - left = init; - right = this.parseExpression(); - init = null; - } - else if (this.matchContextualKeyword('of')) { - if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) { - this.tolerateError(messages_1.Messages.InvalidLHSInForLoop); - } - this.nextToken(); - this.reinterpretExpressionAsPattern(init); - left = init; - right = this.parseAssignmentExpression(); - init = null; - forIn = false; - } - else { - if (this.match(',')) { - var initSeq = [init]; - while (this.match(',')) { - this.nextToken(); - initSeq.push(this.isolateCoverGrammar(this.parseAssignmentExpression)); - } - init = this.finalize(this.startNode(initStartToken), new Node.SequenceExpression(initSeq)); - } - this.expect(';'); - } - } - } - if (typeof left === 'undefined') { - if (!this.match(';')) { - test = this.parseExpression(); - } - this.expect(';'); - if (!this.match(')')) { - update = this.parseExpression(); - } - } - var body; - if (!this.match(')') && this.config.tolerant) { - this.tolerateUnexpectedToken(this.nextToken()); - body = this.finalize(this.createNode(), new Node.EmptyStatement()); - } - else { - this.expect(')'); - var previousInIteration = this.context.inIteration; - this.context.inIteration = true; - body = this.isolateCoverGrammar(this.parseStatement); - this.context.inIteration = previousInIteration; - } - return (typeof left === 'undefined') ? - this.finalize(node, new Node.ForStatement(init, test, update, body)) : - forIn ? this.finalize(node, new Node.ForInStatement(left, right, body)) : - this.finalize(node, new Node.ForOfStatement(left, right, body)); - }; - // https://tc39.github.io/ecma262/#sec-continue-statement - Parser.prototype.parseContinueStatement = function () { - var node = this.createNode(); - this.expectKeyword('continue'); - var label = null; - if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) { - var id = this.parseVariableIdentifier(); - label = id; - var key = '$' + id.name; - if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) { - this.throwError(messages_1.Messages.UnknownLabel, id.name); - } - } - this.consumeSemicolon(); - if (label === null && !this.context.inIteration) { - this.throwError(messages_1.Messages.IllegalContinue); - } - return this.finalize(node, new Node.ContinueStatement(label)); - }; - // https://tc39.github.io/ecma262/#sec-break-statement - Parser.prototype.parseBreakStatement = function () { - var node = this.createNode(); - this.expectKeyword('break'); - var label = null; - if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) { - var id = this.parseVariableIdentifier(); - var key = '$' + id.name; - if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) { - this.throwError(messages_1.Messages.UnknownLabel, id.name); - } - label = id; - } - this.consumeSemicolon(); - if (label === null && !this.context.inIteration && !this.context.inSwitch) { - this.throwError(messages_1.Messages.IllegalBreak); - } - return this.finalize(node, new Node.BreakStatement(label)); - }; - // https://tc39.github.io/ecma262/#sec-return-statement - Parser.prototype.parseReturnStatement = function () { - if (!this.context.inFunctionBody) { - this.tolerateError(messages_1.Messages.IllegalReturn); - } - var node = this.createNode(); - this.expectKeyword('return'); - var hasArgument = (!this.match(';') && !this.match('}') && - !this.hasLineTerminator && this.lookahead.type !== 2 /* EOF */) || - this.lookahead.type === 8 /* StringLiteral */ || - this.lookahead.type === 10 /* Template */; - var argument = hasArgument ? this.parseExpression() : null; - this.consumeSemicolon(); - return this.finalize(node, new Node.ReturnStatement(argument)); - }; - // https://tc39.github.io/ecma262/#sec-with-statement - Parser.prototype.parseWithStatement = function () { - if (this.context.strict) { - this.tolerateError(messages_1.Messages.StrictModeWith); - } - var node = this.createNode(); - var body; - this.expectKeyword('with'); - this.expect('('); - var object = this.parseExpression(); - if (!this.match(')') && this.config.tolerant) { - this.tolerateUnexpectedToken(this.nextToken()); - body = this.finalize(this.createNode(), new Node.EmptyStatement()); - } - else { - this.expect(')'); - body = this.parseStatement(); - } - return this.finalize(node, new Node.WithStatement(object, body)); - }; - // https://tc39.github.io/ecma262/#sec-switch-statement - Parser.prototype.parseSwitchCase = function () { - var node = this.createNode(); - var test; - if (this.matchKeyword('default')) { - this.nextToken(); - test = null; - } - else { - this.expectKeyword('case'); - test = this.parseExpression(); - } - this.expect(':'); - var consequent = []; - while (true) { - if (this.match('}') || this.matchKeyword('default') || this.matchKeyword('case')) { - break; - } - consequent.push(this.parseStatementListItem()); - } - return this.finalize(node, new Node.SwitchCase(test, consequent)); - }; - Parser.prototype.parseSwitchStatement = function () { - var node = this.createNode(); - this.expectKeyword('switch'); - this.expect('('); - var discriminant = this.parseExpression(); - this.expect(')'); - var previousInSwitch = this.context.inSwitch; - this.context.inSwitch = true; - var cases = []; - var defaultFound = false; - this.expect('{'); - while (true) { - if (this.match('}')) { - break; - } - var clause = this.parseSwitchCase(); - if (clause.test === null) { - if (defaultFound) { - this.throwError(messages_1.Messages.MultipleDefaultsInSwitch); - } - defaultFound = true; - } - cases.push(clause); - } - this.expect('}'); - this.context.inSwitch = previousInSwitch; - return this.finalize(node, new Node.SwitchStatement(discriminant, cases)); - }; - // https://tc39.github.io/ecma262/#sec-labelled-statements - Parser.prototype.parseLabelledStatement = function () { - var node = this.createNode(); - var expr = this.parseExpression(); - var statement; - if ((expr.type === syntax_1.Syntax.Identifier) && this.match(':')) { - this.nextToken(); - var id = expr; - var key = '$' + id.name; - if (Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) { - this.throwError(messages_1.Messages.Redeclaration, 'Label', id.name); - } - this.context.labelSet[key] = true; - var body = void 0; - if (this.matchKeyword('class')) { - this.tolerateUnexpectedToken(this.lookahead); - body = this.parseClassDeclaration(); - } - else if (this.matchKeyword('function')) { - var token = this.lookahead; - var declaration = this.parseFunctionDeclaration(); - if (this.context.strict) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunction); - } - else if (declaration.generator) { - this.tolerateUnexpectedToken(token, messages_1.Messages.GeneratorInLegacyContext); - } - body = declaration; - } - else { - body = this.parseStatement(); - } - delete this.context.labelSet[key]; - statement = new Node.LabeledStatement(id, body); - } - else { - this.consumeSemicolon(); - statement = new Node.ExpressionStatement(expr); - } - return this.finalize(node, statement); - }; - // https://tc39.github.io/ecma262/#sec-throw-statement - Parser.prototype.parseThrowStatement = function () { - var node = this.createNode(); - this.expectKeyword('throw'); - if (this.hasLineTerminator) { - this.throwError(messages_1.Messages.NewlineAfterThrow); - } - var argument = this.parseExpression(); - this.consumeSemicolon(); - return this.finalize(node, new Node.ThrowStatement(argument)); - }; - // https://tc39.github.io/ecma262/#sec-try-statement - Parser.prototype.parseCatchClause = function () { - var node = this.createNode(); - this.expectKeyword('catch'); - this.expect('('); - if (this.match(')')) { - this.throwUnexpectedToken(this.lookahead); - } - var params = []; - var param = this.parsePattern(params); - var paramMap = {}; - for (var i = 0; i < params.length; i++) { - var key = '$' + params[i].value; - if (Object.prototype.hasOwnProperty.call(paramMap, key)) { - this.tolerateError(messages_1.Messages.DuplicateBinding, params[i].value); - } - paramMap[key] = true; - } - if (this.context.strict && param.type === syntax_1.Syntax.Identifier) { - if (this.scanner.isRestrictedWord(param.name)) { - this.tolerateError(messages_1.Messages.StrictCatchVariable); - } - } - this.expect(')'); - var body = this.parseBlock(); - return this.finalize(node, new Node.CatchClause(param, body)); - }; - Parser.prototype.parseFinallyClause = function () { - this.expectKeyword('finally'); - return this.parseBlock(); - }; - Parser.prototype.parseTryStatement = function () { - var node = this.createNode(); - this.expectKeyword('try'); - var block = this.parseBlock(); - var handler = this.matchKeyword('catch') ? this.parseCatchClause() : null; - var finalizer = this.matchKeyword('finally') ? this.parseFinallyClause() : null; - if (!handler && !finalizer) { - this.throwError(messages_1.Messages.NoCatchOrFinally); - } - return this.finalize(node, new Node.TryStatement(block, handler, finalizer)); - }; - // https://tc39.github.io/ecma262/#sec-debugger-statement - Parser.prototype.parseDebuggerStatement = function () { - var node = this.createNode(); - this.expectKeyword('debugger'); - this.consumeSemicolon(); - return this.finalize(node, new Node.DebuggerStatement()); - }; - // https://tc39.github.io/ecma262/#sec-ecmascript-language-statements-and-declarations - Parser.prototype.parseStatement = function () { - var statement; - switch (this.lookahead.type) { - case 1 /* BooleanLiteral */: - case 5 /* NullLiteral */: - case 6 /* NumericLiteral */: - case 8 /* StringLiteral */: - case 10 /* Template */: - case 9 /* RegularExpression */: - statement = this.parseExpressionStatement(); - break; - case 7 /* Punctuator */: - var value = this.lookahead.value; - if (value === '{') { - statement = this.parseBlock(); - } - else if (value === '(') { - statement = this.parseExpressionStatement(); - } - else if (value === ';') { - statement = this.parseEmptyStatement(); - } - else { - statement = this.parseExpressionStatement(); - } - break; - case 3 /* Identifier */: - statement = this.matchAsyncFunction() ? this.parseFunctionDeclaration() : this.parseLabelledStatement(); - break; - case 4 /* Keyword */: - switch (this.lookahead.value) { - case 'break': - statement = this.parseBreakStatement(); - break; - case 'continue': - statement = this.parseContinueStatement(); - break; - case 'debugger': - statement = this.parseDebuggerStatement(); - break; - case 'do': - statement = this.parseDoWhileStatement(); - break; - case 'for': - statement = this.parseForStatement(); - break; - case 'function': - statement = this.parseFunctionDeclaration(); - break; - case 'if': - statement = this.parseIfStatement(); - break; - case 'return': - statement = this.parseReturnStatement(); - break; - case 'switch': - statement = this.parseSwitchStatement(); - break; - case 'throw': - statement = this.parseThrowStatement(); - break; - case 'try': - statement = this.parseTryStatement(); - break; - case 'var': - statement = this.parseVariableStatement(); - break; - case 'while': - statement = this.parseWhileStatement(); - break; - case 'with': - statement = this.parseWithStatement(); - break; - default: - statement = this.parseExpressionStatement(); - break; - } - break; - default: - statement = this.throwUnexpectedToken(this.lookahead); - } - return statement; - }; - // https://tc39.github.io/ecma262/#sec-function-definitions - Parser.prototype.parseFunctionSourceElements = function () { - var node = this.createNode(); - this.expect('{'); - var body = this.parseDirectivePrologues(); - var previousLabelSet = this.context.labelSet; - var previousInIteration = this.context.inIteration; - var previousInSwitch = this.context.inSwitch; - var previousInFunctionBody = this.context.inFunctionBody; - this.context.labelSet = {}; - this.context.inIteration = false; - this.context.inSwitch = false; - this.context.inFunctionBody = true; - while (this.lookahead.type !== 2 /* EOF */) { - if (this.match('}')) { - break; - } - body.push(this.parseStatementListItem()); - } - this.expect('}'); - this.context.labelSet = previousLabelSet; - this.context.inIteration = previousInIteration; - this.context.inSwitch = previousInSwitch; - this.context.inFunctionBody = previousInFunctionBody; - return this.finalize(node, new Node.BlockStatement(body)); - }; - Parser.prototype.validateParam = function (options, param, name) { - var key = '$' + name; - if (this.context.strict) { - if (this.scanner.isRestrictedWord(name)) { - options.stricted = param; - options.message = messages_1.Messages.StrictParamName; - } - if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) { - options.stricted = param; - options.message = messages_1.Messages.StrictParamDupe; - } - } - else if (!options.firstRestricted) { - if (this.scanner.isRestrictedWord(name)) { - options.firstRestricted = param; - options.message = messages_1.Messages.StrictParamName; - } - else if (this.scanner.isStrictModeReservedWord(name)) { - options.firstRestricted = param; - options.message = messages_1.Messages.StrictReservedWord; - } - else if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) { - options.stricted = param; - options.message = messages_1.Messages.StrictParamDupe; - } - } - /* istanbul ignore next */ - if (typeof Object.defineProperty === 'function') { - Object.defineProperty(options.paramSet, key, { value: true, enumerable: true, writable: true, configurable: true }); - } - else { - options.paramSet[key] = true; - } - }; - Parser.prototype.parseRestElement = function (params) { - var node = this.createNode(); - this.expect('...'); - var arg = this.parsePattern(params); - if (this.match('=')) { - this.throwError(messages_1.Messages.DefaultRestParameter); - } - if (!this.match(')')) { - this.throwError(messages_1.Messages.ParameterAfterRestParameter); - } - return this.finalize(node, new Node.RestElement(arg)); - }; - Parser.prototype.parseFormalParameter = function (options) { - var params = []; - var param = this.match('...') ? this.parseRestElement(params) : this.parsePatternWithDefault(params); - for (var i = 0; i < params.length; i++) { - this.validateParam(options, params[i], params[i].value); - } - options.simple = options.simple && (param instanceof Node.Identifier); - options.params.push(param); - }; - Parser.prototype.parseFormalParameters = function (firstRestricted) { - var options; - options = { - simple: true, - params: [], - firstRestricted: firstRestricted - }; - this.expect('('); - if (!this.match(')')) { - options.paramSet = {}; - while (this.lookahead.type !== 2 /* EOF */) { - this.parseFormalParameter(options); - if (this.match(')')) { - break; - } - this.expect(','); - if (this.match(')')) { - break; - } - } - } - this.expect(')'); - return { - simple: options.simple, - params: options.params, - stricted: options.stricted, - firstRestricted: options.firstRestricted, - message: options.message - }; - }; - Parser.prototype.matchAsyncFunction = function () { - var match = this.matchContextualKeyword('async'); - if (match) { - var state = this.scanner.saveState(); - this.scanner.scanComments(); - var next = this.scanner.lex(); - this.scanner.restoreState(state); - match = (state.lineNumber === next.lineNumber) && (next.type === 4 /* Keyword */) && (next.value === 'function'); - } - return match; - }; - Parser.prototype.parseFunctionDeclaration = function (identifierIsOptional) { - var node = this.createNode(); - var isAsync = this.matchContextualKeyword('async'); - if (isAsync) { - this.nextToken(); - } - this.expectKeyword('function'); - var isGenerator = isAsync ? false : this.match('*'); - if (isGenerator) { - this.nextToken(); - } - var message; - var id = null; - var firstRestricted = null; - if (!identifierIsOptional || !this.match('(')) { - var token = this.lookahead; - id = this.parseVariableIdentifier(); - if (this.context.strict) { - if (this.scanner.isRestrictedWord(token.value)) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName); - } - } - else { - if (this.scanner.isRestrictedWord(token.value)) { - firstRestricted = token; - message = messages_1.Messages.StrictFunctionName; - } - else if (this.scanner.isStrictModeReservedWord(token.value)) { - firstRestricted = token; - message = messages_1.Messages.StrictReservedWord; - } - } - } - var previousAllowAwait = this.context.await; - var previousAllowYield = this.context.allowYield; - this.context.await = isAsync; - this.context.allowYield = !isGenerator; - var formalParameters = this.parseFormalParameters(firstRestricted); - var params = formalParameters.params; - var stricted = formalParameters.stricted; - firstRestricted = formalParameters.firstRestricted; - if (formalParameters.message) { - message = formalParameters.message; - } - var previousStrict = this.context.strict; - var previousAllowStrictDirective = this.context.allowStrictDirective; - this.context.allowStrictDirective = formalParameters.simple; - var body = this.parseFunctionSourceElements(); - if (this.context.strict && firstRestricted) { - this.throwUnexpectedToken(firstRestricted, message); - } - if (this.context.strict && stricted) { - this.tolerateUnexpectedToken(stricted, message); - } - this.context.strict = previousStrict; - this.context.allowStrictDirective = previousAllowStrictDirective; - this.context.await = previousAllowAwait; - this.context.allowYield = previousAllowYield; - return isAsync ? this.finalize(node, new Node.AsyncFunctionDeclaration(id, params, body)) : - this.finalize(node, new Node.FunctionDeclaration(id, params, body, isGenerator)); - }; - Parser.prototype.parseFunctionExpression = function () { - var node = this.createNode(); - var isAsync = this.matchContextualKeyword('async'); - if (isAsync) { - this.nextToken(); - } - this.expectKeyword('function'); - var isGenerator = isAsync ? false : this.match('*'); - if (isGenerator) { - this.nextToken(); - } - var message; - var id = null; - var firstRestricted; - var previousAllowAwait = this.context.await; - var previousAllowYield = this.context.allowYield; - this.context.await = isAsync; - this.context.allowYield = !isGenerator; - if (!this.match('(')) { - var token = this.lookahead; - id = (!this.context.strict && !isGenerator && this.matchKeyword('yield')) ? this.parseIdentifierName() : this.parseVariableIdentifier(); - if (this.context.strict) { - if (this.scanner.isRestrictedWord(token.value)) { - this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName); - } - } - else { - if (this.scanner.isRestrictedWord(token.value)) { - firstRestricted = token; - message = messages_1.Messages.StrictFunctionName; - } - else if (this.scanner.isStrictModeReservedWord(token.value)) { - firstRestricted = token; - message = messages_1.Messages.StrictReservedWord; - } - } - } - var formalParameters = this.parseFormalParameters(firstRestricted); - var params = formalParameters.params; - var stricted = formalParameters.stricted; - firstRestricted = formalParameters.firstRestricted; - if (formalParameters.message) { - message = formalParameters.message; - } - var previousStrict = this.context.strict; - var previousAllowStrictDirective = this.context.allowStrictDirective; - this.context.allowStrictDirective = formalParameters.simple; - var body = this.parseFunctionSourceElements(); - if (this.context.strict && firstRestricted) { - this.throwUnexpectedToken(firstRestricted, message); - } - if (this.context.strict && stricted) { - this.tolerateUnexpectedToken(stricted, message); - } - this.context.strict = previousStrict; - this.context.allowStrictDirective = previousAllowStrictDirective; - this.context.await = previousAllowAwait; - this.context.allowYield = previousAllowYield; - return isAsync ? this.finalize(node, new Node.AsyncFunctionExpression(id, params, body)) : - this.finalize(node, new Node.FunctionExpression(id, params, body, isGenerator)); - }; - // https://tc39.github.io/ecma262/#sec-directive-prologues-and-the-use-strict-directive - Parser.prototype.parseDirective = function () { - var token = this.lookahead; - var node = this.createNode(); - var expr = this.parseExpression(); - var directive = (expr.type === syntax_1.Syntax.Literal) ? this.getTokenRaw(token).slice(1, -1) : null; - this.consumeSemicolon(); - return this.finalize(node, directive ? new Node.Directive(expr, directive) : new Node.ExpressionStatement(expr)); - }; - Parser.prototype.parseDirectivePrologues = function () { - var firstRestricted = null; - var body = []; - while (true) { - var token = this.lookahead; - if (token.type !== 8 /* StringLiteral */) { - break; - } - var statement = this.parseDirective(); - body.push(statement); - var directive = statement.directive; - if (typeof directive !== 'string') { - break; - } - if (directive === 'use strict') { - this.context.strict = true; - if (firstRestricted) { - this.tolerateUnexpectedToken(firstRestricted, messages_1.Messages.StrictOctalLiteral); - } - if (!this.context.allowStrictDirective) { - this.tolerateUnexpectedToken(token, messages_1.Messages.IllegalLanguageModeDirective); - } - } - else { - if (!firstRestricted && token.octal) { - firstRestricted = token; - } - } - } - return body; - }; - // https://tc39.github.io/ecma262/#sec-method-definitions - Parser.prototype.qualifiedPropertyName = function (token) { - switch (token.type) { - case 3 /* Identifier */: - case 8 /* StringLiteral */: - case 1 /* BooleanLiteral */: - case 5 /* NullLiteral */: - case 6 /* NumericLiteral */: - case 4 /* Keyword */: - return true; - case 7 /* Punctuator */: - return token.value === '['; - default: - break; - } - return false; - }; - Parser.prototype.parseGetterMethod = function () { - var node = this.createNode(); - var isGenerator = false; - var previousAllowYield = this.context.allowYield; - this.context.allowYield = !isGenerator; - var formalParameters = this.parseFormalParameters(); - if (formalParameters.params.length > 0) { - this.tolerateError(messages_1.Messages.BadGetterArity); - } - var method = this.parsePropertyMethod(formalParameters); - this.context.allowYield = previousAllowYield; - return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator)); - }; - Parser.prototype.parseSetterMethod = function () { - var node = this.createNode(); - var isGenerator = false; - var previousAllowYield = this.context.allowYield; - this.context.allowYield = !isGenerator; - var formalParameters = this.parseFormalParameters(); - if (formalParameters.params.length !== 1) { - this.tolerateError(messages_1.Messages.BadSetterArity); - } - else if (formalParameters.params[0] instanceof Node.RestElement) { - this.tolerateError(messages_1.Messages.BadSetterRestParameter); - } - var method = this.parsePropertyMethod(formalParameters); - this.context.allowYield = previousAllowYield; - return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator)); - }; - Parser.prototype.parseGeneratorMethod = function () { - var node = this.createNode(); - var isGenerator = true; - var previousAllowYield = this.context.allowYield; - this.context.allowYield = true; - var params = this.parseFormalParameters(); - this.context.allowYield = false; - var method = this.parsePropertyMethod(params); - this.context.allowYield = previousAllowYield; - return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator)); - }; - // https://tc39.github.io/ecma262/#sec-generator-function-definitions - Parser.prototype.isStartOfExpression = function () { - var start = true; - var value = this.lookahead.value; - switch (this.lookahead.type) { - case 7 /* Punctuator */: - start = (value === '[') || (value === '(') || (value === '{') || - (value === '+') || (value === '-') || - (value === '!') || (value === '~') || - (value === '++') || (value === '--') || - (value === '/') || (value === '/='); // regular expression literal - break; - case 4 /* Keyword */: - start = (value === 'class') || (value === 'delete') || - (value === 'function') || (value === 'let') || (value === 'new') || - (value === 'super') || (value === 'this') || (value === 'typeof') || - (value === 'void') || (value === 'yield'); - break; - default: - break; - } - return start; - }; - Parser.prototype.parseYieldExpression = function () { - var node = this.createNode(); - this.expectKeyword('yield'); - var argument = null; - var delegate = false; - if (!this.hasLineTerminator) { - var previousAllowYield = this.context.allowYield; - this.context.allowYield = false; - delegate = this.match('*'); - if (delegate) { - this.nextToken(); - argument = this.parseAssignmentExpression(); - } - else if (this.isStartOfExpression()) { - argument = this.parseAssignmentExpression(); - } - this.context.allowYield = previousAllowYield; - } - return this.finalize(node, new Node.YieldExpression(argument, delegate)); - }; - // https://tc39.github.io/ecma262/#sec-class-definitions - Parser.prototype.parseClassElement = function (hasConstructor) { - var token = this.lookahead; - var node = this.createNode(); - var kind = ''; - var key = null; - var value = null; - var computed = false; - var method = false; - var isStatic = false; - var isAsync = false; - if (this.match('*')) { - this.nextToken(); - } - else { - computed = this.match('['); - key = this.parseObjectPropertyKey(); - var id = key; - if (id.name === 'static' && (this.qualifiedPropertyName(this.lookahead) || this.match('*'))) { - token = this.lookahead; - isStatic = true; - computed = this.match('['); - if (this.match('*')) { - this.nextToken(); - } - else { - key = this.parseObjectPropertyKey(); - } - } - if ((token.type === 3 /* Identifier */) && !this.hasLineTerminator && (token.value === 'async')) { - var punctuator = this.lookahead.value; - if (punctuator !== ':' && punctuator !== '(' && punctuator !== '*') { - isAsync = true; - token = this.lookahead; - key = this.parseObjectPropertyKey(); - if (token.type === 3 /* Identifier */ && token.value === 'constructor') { - this.tolerateUnexpectedToken(token, messages_1.Messages.ConstructorIsAsync); - } - } - } - } - var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead); - if (token.type === 3 /* Identifier */) { - if (token.value === 'get' && lookaheadPropertyKey) { - kind = 'get'; - computed = this.match('['); - key = this.parseObjectPropertyKey(); - this.context.allowYield = false; - value = this.parseGetterMethod(); - } - else if (token.value === 'set' && lookaheadPropertyKey) { - kind = 'set'; - computed = this.match('['); - key = this.parseObjectPropertyKey(); - value = this.parseSetterMethod(); - } - } - else if (token.type === 7 /* Punctuator */ && token.value === '*' && lookaheadPropertyKey) { - kind = 'init'; - computed = this.match('['); - key = this.parseObjectPropertyKey(); - value = this.parseGeneratorMethod(); - method = true; - } - if (!kind && key && this.match('(')) { - kind = 'init'; - value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction(); - method = true; - } - if (!kind) { - this.throwUnexpectedToken(this.lookahead); - } - if (kind === 'init') { - kind = 'method'; - } - if (!computed) { - if (isStatic && this.isPropertyKey(key, 'prototype')) { - this.throwUnexpectedToken(token, messages_1.Messages.StaticPrototype); - } - if (!isStatic && this.isPropertyKey(key, 'constructor')) { - if (kind !== 'method' || !method || (value && value.generator)) { - this.throwUnexpectedToken(token, messages_1.Messages.ConstructorSpecialMethod); - } - if (hasConstructor.value) { - this.throwUnexpectedToken(token, messages_1.Messages.DuplicateConstructor); - } - else { - hasConstructor.value = true; - } - kind = 'constructor'; - } - } - return this.finalize(node, new Node.MethodDefinition(key, computed, value, kind, isStatic)); - }; - Parser.prototype.parseClassElementList = function () { - var body = []; - var hasConstructor = { value: false }; - this.expect('{'); - while (!this.match('}')) { - if (this.match(';')) { - this.nextToken(); - } - else { - body.push(this.parseClassElement(hasConstructor)); - } - } - this.expect('}'); - return body; - }; - Parser.prototype.parseClassBody = function () { - var node = this.createNode(); - var elementList = this.parseClassElementList(); - return this.finalize(node, new Node.ClassBody(elementList)); - }; - Parser.prototype.parseClassDeclaration = function (identifierIsOptional) { - var node = this.createNode(); - var previousStrict = this.context.strict; - this.context.strict = true; - this.expectKeyword('class'); - var id = (identifierIsOptional && (this.lookahead.type !== 3 /* Identifier */)) ? null : this.parseVariableIdentifier(); - var superClass = null; - if (this.matchKeyword('extends')) { - this.nextToken(); - superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall); - } - var classBody = this.parseClassBody(); - this.context.strict = previousStrict; - return this.finalize(node, new Node.ClassDeclaration(id, superClass, classBody)); - }; - Parser.prototype.parseClassExpression = function () { - var node = this.createNode(); - var previousStrict = this.context.strict; - this.context.strict = true; - this.expectKeyword('class'); - var id = (this.lookahead.type === 3 /* Identifier */) ? this.parseVariableIdentifier() : null; - var superClass = null; - if (this.matchKeyword('extends')) { - this.nextToken(); - superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall); - } - var classBody = this.parseClassBody(); - this.context.strict = previousStrict; - return this.finalize(node, new Node.ClassExpression(id, superClass, classBody)); - }; - // https://tc39.github.io/ecma262/#sec-scripts - // https://tc39.github.io/ecma262/#sec-modules - Parser.prototype.parseModule = function () { - this.context.strict = true; - this.context.isModule = true; - this.scanner.isModule = true; - var node = this.createNode(); - var body = this.parseDirectivePrologues(); - while (this.lookahead.type !== 2 /* EOF */) { - body.push(this.parseStatementListItem()); - } - return this.finalize(node, new Node.Module(body)); - }; - Parser.prototype.parseScript = function () { - var node = this.createNode(); - var body = this.parseDirectivePrologues(); - while (this.lookahead.type !== 2 /* EOF */) { - body.push(this.parseStatementListItem()); - } - return this.finalize(node, new Node.Script(body)); - }; - // https://tc39.github.io/ecma262/#sec-imports - Parser.prototype.parseModuleSpecifier = function () { - var node = this.createNode(); - if (this.lookahead.type !== 8 /* StringLiteral */) { - this.throwError(messages_1.Messages.InvalidModuleSpecifier); - } - var token = this.nextToken(); - var raw = this.getTokenRaw(token); - return this.finalize(node, new Node.Literal(token.value, raw)); - }; - // import {} ...; - Parser.prototype.parseImportSpecifier = function () { - var node = this.createNode(); - var imported; - var local; - if (this.lookahead.type === 3 /* Identifier */) { - imported = this.parseVariableIdentifier(); - local = imported; - if (this.matchContextualKeyword('as')) { - this.nextToken(); - local = this.parseVariableIdentifier(); - } - } - else { - imported = this.parseIdentifierName(); - local = imported; - if (this.matchContextualKeyword('as')) { - this.nextToken(); - local = this.parseVariableIdentifier(); - } - else { - this.throwUnexpectedToken(this.nextToken()); - } - } - return this.finalize(node, new Node.ImportSpecifier(local, imported)); - }; - // {foo, bar as bas} - Parser.prototype.parseNamedImports = function () { - this.expect('{'); - var specifiers = []; - while (!this.match('}')) { - specifiers.push(this.parseImportSpecifier()); - if (!this.match('}')) { - this.expect(','); - } - } - this.expect('}'); - return specifiers; - }; - // import ...; - Parser.prototype.parseImportDefaultSpecifier = function () { - var node = this.createNode(); - var local = this.parseIdentifierName(); - return this.finalize(node, new Node.ImportDefaultSpecifier(local)); - }; - // import <* as foo> ...; - Parser.prototype.parseImportNamespaceSpecifier = function () { - var node = this.createNode(); - this.expect('*'); - if (!this.matchContextualKeyword('as')) { - this.throwError(messages_1.Messages.NoAsAfterImportNamespace); - } - this.nextToken(); - var local = this.parseIdentifierName(); - return this.finalize(node, new Node.ImportNamespaceSpecifier(local)); - }; - Parser.prototype.parseImportDeclaration = function () { - if (this.context.inFunctionBody) { - this.throwError(messages_1.Messages.IllegalImportDeclaration); - } - var node = this.createNode(); - this.expectKeyword('import'); - var src; - var specifiers = []; - if (this.lookahead.type === 8 /* StringLiteral */) { - // import 'foo'; - src = this.parseModuleSpecifier(); - } - else { - if (this.match('{')) { - // import {bar} - specifiers = specifiers.concat(this.parseNamedImports()); - } - else if (this.match('*')) { - // import * as foo - specifiers.push(this.parseImportNamespaceSpecifier()); - } - else if (this.isIdentifierName(this.lookahead) && !this.matchKeyword('default')) { - // import foo - specifiers.push(this.parseImportDefaultSpecifier()); - if (this.match(',')) { - this.nextToken(); - if (this.match('*')) { - // import foo, * as foo - specifiers.push(this.parseImportNamespaceSpecifier()); - } - else if (this.match('{')) { - // import foo, {bar} - specifiers = specifiers.concat(this.parseNamedImports()); - } - else { - this.throwUnexpectedToken(this.lookahead); - } - } - } - else { - this.throwUnexpectedToken(this.nextToken()); - } - if (!this.matchContextualKeyword('from')) { - var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause; - this.throwError(message, this.lookahead.value); - } - this.nextToken(); - src = this.parseModuleSpecifier(); - } - this.consumeSemicolon(); - return this.finalize(node, new Node.ImportDeclaration(specifiers, src)); - }; - // https://tc39.github.io/ecma262/#sec-exports - Parser.prototype.parseExportSpecifier = function () { - var node = this.createNode(); - var local = this.parseIdentifierName(); - var exported = local; - if (this.matchContextualKeyword('as')) { - this.nextToken(); - exported = this.parseIdentifierName(); - } - return this.finalize(node, new Node.ExportSpecifier(local, exported)); - }; - Parser.prototype.parseExportDeclaration = function () { - if (this.context.inFunctionBody) { - this.throwError(messages_1.Messages.IllegalExportDeclaration); - } - var node = this.createNode(); - this.expectKeyword('export'); - var exportDeclaration; - if (this.matchKeyword('default')) { - // export default ... - this.nextToken(); - if (this.matchKeyword('function')) { - // export default function foo () {} - // export default function () {} - var declaration = this.parseFunctionDeclaration(true); - exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); - } - else if (this.matchKeyword('class')) { - // export default class foo {} - var declaration = this.parseClassDeclaration(true); - exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); - } - else if (this.matchContextualKeyword('async')) { - // export default async function f () {} - // export default async function () {} - // export default async x => x - var declaration = this.matchAsyncFunction() ? this.parseFunctionDeclaration(true) : this.parseAssignmentExpression(); - exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); - } - else { - if (this.matchContextualKeyword('from')) { - this.throwError(messages_1.Messages.UnexpectedToken, this.lookahead.value); - } - // export default {}; - // export default []; - // export default (1 + 2); - var declaration = this.match('{') ? this.parseObjectInitializer() : - this.match('[') ? this.parseArrayInitializer() : this.parseAssignmentExpression(); - this.consumeSemicolon(); - exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); - } - } - else if (this.match('*')) { - // export * from 'foo'; - this.nextToken(); - if (!this.matchContextualKeyword('from')) { - var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause; - this.throwError(message, this.lookahead.value); - } - this.nextToken(); - var src = this.parseModuleSpecifier(); - this.consumeSemicolon(); - exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src)); - } - else if (this.lookahead.type === 4 /* Keyword */) { - // export var f = 1; - var declaration = void 0; - switch (this.lookahead.value) { - case 'let': - case 'const': - declaration = this.parseLexicalDeclaration({ inFor: false }); - break; - case 'var': - case 'class': - case 'function': - declaration = this.parseStatementListItem(); - break; - default: - this.throwUnexpectedToken(this.lookahead); - } - exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null)); - } - else if (this.matchAsyncFunction()) { - var declaration = this.parseFunctionDeclaration(); - exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null)); - } - else { - var specifiers = []; - var source = null; - var isExportFromIdentifier = false; - this.expect('{'); - while (!this.match('}')) { - isExportFromIdentifier = isExportFromIdentifier || this.matchKeyword('default'); - specifiers.push(this.parseExportSpecifier()); - if (!this.match('}')) { - this.expect(','); - } - } - this.expect('}'); - if (this.matchContextualKeyword('from')) { - // export {default} from 'foo'; - // export {foo} from 'foo'; - this.nextToken(); - source = this.parseModuleSpecifier(); - this.consumeSemicolon(); - } - else if (isExportFromIdentifier) { - // export {default}; // missing fromClause - var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause; - this.throwError(message, this.lookahead.value); - } - else { - // export {foo}; - this.consumeSemicolon(); - } - exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(null, specifiers, source)); - } - return exportDeclaration; - }; - return Parser; - }()); - exports.Parser = Parser; - - -/***/ }, -/* 9 */ -/***/ function(module, exports) { - - "use strict"; - // Ensure the condition is true, otherwise throw an error. - // This is only to have a better contract semantic, i.e. another safety net - // to catch a logic error. The condition shall be fulfilled in normal case. - // Do NOT use this to enforce a certain condition on any user input. - Object.defineProperty(exports, "__esModule", { value: true }); - function assert(condition, message) { - /* istanbul ignore if */ - if (!condition) { - throw new Error('ASSERT: ' + message); - } - } - exports.assert = assert; - - -/***/ }, -/* 10 */ -/***/ function(module, exports) { - - "use strict"; - /* tslint:disable:max-classes-per-file */ - Object.defineProperty(exports, "__esModule", { value: true }); - var ErrorHandler = (function () { - function ErrorHandler() { - this.errors = []; - this.tolerant = false; - } - ErrorHandler.prototype.recordError = function (error) { - this.errors.push(error); - }; - ErrorHandler.prototype.tolerate = function (error) { - if (this.tolerant) { - this.recordError(error); - } - else { - throw error; - } - }; - ErrorHandler.prototype.constructError = function (msg, column) { - var error = new Error(msg); - try { - throw error; - } - catch (base) { - /* istanbul ignore else */ - if (Object.create && Object.defineProperty) { - error = Object.create(base); - Object.defineProperty(error, 'column', { value: column }); - } - } - /* istanbul ignore next */ - return error; - }; - ErrorHandler.prototype.createError = function (index, line, col, description) { - var msg = 'Line ' + line + ': ' + description; - var error = this.constructError(msg, col); - error.index = index; - error.lineNumber = line; - error.description = description; - return error; - }; - ErrorHandler.prototype.throwError = function (index, line, col, description) { - throw this.createError(index, line, col, description); - }; - ErrorHandler.prototype.tolerateError = function (index, line, col, description) { - var error = this.createError(index, line, col, description); - if (this.tolerant) { - this.recordError(error); - } - else { - throw error; - } - }; - return ErrorHandler; - }()); - exports.ErrorHandler = ErrorHandler; - - -/***/ }, -/* 11 */ -/***/ function(module, exports) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - // Error messages should be identical to V8. - exports.Messages = { - BadGetterArity: 'Getter must not have any formal parameters', - BadSetterArity: 'Setter must have exactly one formal parameter', - BadSetterRestParameter: 'Setter function argument must not be a rest parameter', - ConstructorIsAsync: 'Class constructor may not be an async method', - ConstructorSpecialMethod: 'Class constructor may not be an accessor', - DeclarationMissingInitializer: 'Missing initializer in %0 declaration', - DefaultRestParameter: 'Unexpected token =', - DuplicateBinding: 'Duplicate binding %0', - DuplicateConstructor: 'A class may only have one constructor', - DuplicateProtoProperty: 'Duplicate __proto__ fields are not allowed in object literals', - ForInOfLoopInitializer: '%0 loop variable declaration may not have an initializer', - GeneratorInLegacyContext: 'Generator declarations are not allowed in legacy contexts', - IllegalBreak: 'Illegal break statement', - IllegalContinue: 'Illegal continue statement', - IllegalExportDeclaration: 'Unexpected token', - IllegalImportDeclaration: 'Unexpected token', - IllegalLanguageModeDirective: 'Illegal \'use strict\' directive in function with non-simple parameter list', - IllegalReturn: 'Illegal return statement', - InvalidEscapedReservedWord: 'Keyword must not contain escaped characters', - InvalidHexEscapeSequence: 'Invalid hexadecimal escape sequence', - InvalidLHSInAssignment: 'Invalid left-hand side in assignment', - InvalidLHSInForIn: 'Invalid left-hand side in for-in', - InvalidLHSInForLoop: 'Invalid left-hand side in for-loop', - InvalidModuleSpecifier: 'Unexpected token', - InvalidRegExp: 'Invalid regular expression', - LetInLexicalBinding: 'let is disallowed as a lexically bound name', - MissingFromClause: 'Unexpected token', - MultipleDefaultsInSwitch: 'More than one default clause in switch statement', - NewlineAfterThrow: 'Illegal newline after throw', - NoAsAfterImportNamespace: 'Unexpected token', - NoCatchOrFinally: 'Missing catch or finally after try', - ParameterAfterRestParameter: 'Rest parameter must be last formal parameter', - Redeclaration: '%0 \'%1\' has already been declared', - StaticPrototype: 'Classes may not have static property named prototype', - StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode', - StrictDelete: 'Delete of an unqualified identifier in strict mode.', - StrictFunction: 'In strict mode code, functions can only be declared at top level or inside a block', - StrictFunctionName: 'Function name may not be eval or arguments in strict mode', - StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode', - StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode', - StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode', - StrictModeWith: 'Strict mode code may not include a with statement', - StrictOctalLiteral: 'Octal literals are not allowed in strict mode.', - StrictParamDupe: 'Strict mode function may not have duplicate parameter names', - StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode', - StrictReservedWord: 'Use of future reserved word in strict mode', - StrictVarName: 'Variable name may not be eval or arguments in strict mode', - TemplateOctalLiteral: 'Octal literals are not allowed in template strings.', - UnexpectedEOS: 'Unexpected end of input', - UnexpectedIdentifier: 'Unexpected identifier', - UnexpectedNumber: 'Unexpected number', - UnexpectedReserved: 'Unexpected reserved word', - UnexpectedString: 'Unexpected string', - UnexpectedTemplate: 'Unexpected quasi %0', - UnexpectedToken: 'Unexpected token %0', - UnexpectedTokenIllegal: 'Unexpected token ILLEGAL', - UnknownLabel: 'Undefined label \'%0\'', - UnterminatedRegExp: 'Invalid regular expression: missing /' - }; - - -/***/ }, -/* 12 */ -/***/ function(module, exports, __webpack_require__) { - - "use strict"; - Object.defineProperty(exports, "__esModule", { value: true }); - var assert_1 = __webpack_require__(9); - var character_1 = __webpack_require__(4); - var messages_1 = __webpack_require__(11); - function hexValue(ch) { - return '0123456789abcdef'.indexOf(ch.toLowerCase()); - } - function octalValue(ch) { - return '01234567'.indexOf(ch); - } - var Scanner = (function () { - function Scanner(code, handler) { - this.source = code; - this.errorHandler = handler; - this.trackComment = false; - this.isModule = false; - this.length = code.length; - this.index = 0; - this.lineNumber = (code.length > 0) ? 1 : 0; - this.lineStart = 0; - this.curlyStack = []; - } - Scanner.prototype.saveState = function () { - return { - index: this.index, - lineNumber: this.lineNumber, - lineStart: this.lineStart - }; - }; - Scanner.prototype.restoreState = function (state) { - this.index = state.index; - this.lineNumber = state.lineNumber; - this.lineStart = state.lineStart; - }; - Scanner.prototype.eof = function () { - return this.index >= this.length; - }; - Scanner.prototype.throwUnexpectedToken = function (message) { - if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; } - return this.errorHandler.throwError(this.index, this.lineNumber, this.index - this.lineStart + 1, message); - }; - Scanner.prototype.tolerateUnexpectedToken = function (message) { - if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; } - this.errorHandler.tolerateError(this.index, this.lineNumber, this.index - this.lineStart + 1, message); - }; - // https://tc39.github.io/ecma262/#sec-comments - Scanner.prototype.skipSingleLineComment = function (offset) { - var comments = []; - var start, loc; - if (this.trackComment) { - comments = []; - start = this.index - offset; - loc = { - start: { - line: this.lineNumber, - column: this.index - this.lineStart - offset - }, - end: {} - }; - } - while (!this.eof()) { - var ch = this.source.charCodeAt(this.index); - ++this.index; - if (character_1.Character.isLineTerminator(ch)) { - if (this.trackComment) { - loc.end = { - line: this.lineNumber, - column: this.index - this.lineStart - 1 - }; - var entry = { - multiLine: false, - slice: [start + offset, this.index - 1], - range: [start, this.index - 1], - loc: loc - }; - comments.push(entry); - } - if (ch === 13 && this.source.charCodeAt(this.index) === 10) { - ++this.index; - } - ++this.lineNumber; - this.lineStart = this.index; - return comments; - } - } - if (this.trackComment) { - loc.end = { - line: this.lineNumber, - column: this.index - this.lineStart - }; - var entry = { - multiLine: false, - slice: [start + offset, this.index], - range: [start, this.index], - loc: loc - }; - comments.push(entry); - } - return comments; - }; - Scanner.prototype.skipMultiLineComment = function () { - var comments = []; - var start, loc; - if (this.trackComment) { - comments = []; - start = this.index - 2; - loc = { - start: { - line: this.lineNumber, - column: this.index - this.lineStart - 2 - }, - end: {} - }; - } - while (!this.eof()) { - var ch = this.source.charCodeAt(this.index); - if (character_1.Character.isLineTerminator(ch)) { - if (ch === 0x0D && this.source.charCodeAt(this.index + 1) === 0x0A) { - ++this.index; - } - ++this.lineNumber; - ++this.index; - this.lineStart = this.index; - } - else if (ch === 0x2A) { - // Block comment ends with '*/'. - if (this.source.charCodeAt(this.index + 1) === 0x2F) { - this.index += 2; - if (this.trackComment) { - loc.end = { - line: this.lineNumber, - column: this.index - this.lineStart - }; - var entry = { - multiLine: true, - slice: [start + 2, this.index - 2], - range: [start, this.index], - loc: loc - }; - comments.push(entry); - } - return comments; - } - ++this.index; - } - else { - ++this.index; - } - } - // Ran off the end of the file - the whole thing is a comment - if (this.trackComment) { - loc.end = { - line: this.lineNumber, - column: this.index - this.lineStart - }; - var entry = { - multiLine: true, - slice: [start + 2, this.index], - range: [start, this.index], - loc: loc - }; - comments.push(entry); - } - this.tolerateUnexpectedToken(); - return comments; - }; - Scanner.prototype.scanComments = function () { - var comments; - if (this.trackComment) { - comments = []; - } - var start = (this.index === 0); - while (!this.eof()) { - var ch = this.source.charCodeAt(this.index); - if (character_1.Character.isWhiteSpace(ch)) { - ++this.index; - } - else if (character_1.Character.isLineTerminator(ch)) { - ++this.index; - if (ch === 0x0D && this.source.charCodeAt(this.index) === 0x0A) { - ++this.index; - } - ++this.lineNumber; - this.lineStart = this.index; - start = true; - } - else if (ch === 0x2F) { - ch = this.source.charCodeAt(this.index + 1); - if (ch === 0x2F) { - this.index += 2; - var comment = this.skipSingleLineComment(2); - if (this.trackComment) { - comments = comments.concat(comment); - } - start = true; - } - else if (ch === 0x2A) { - this.index += 2; - var comment = this.skipMultiLineComment(); - if (this.trackComment) { - comments = comments.concat(comment); - } - } - else { - break; - } - } - else if (start && ch === 0x2D) { - // U+003E is '>' - if ((this.source.charCodeAt(this.index + 1) === 0x2D) && (this.source.charCodeAt(this.index + 2) === 0x3E)) { - // '-->' is a single-line comment - this.index += 3; - var comment = this.skipSingleLineComment(3); - if (this.trackComment) { - comments = comments.concat(comment); - } - } - else { - break; - } - } - else if (ch === 0x3C && !this.isModule) { - if (this.source.slice(this.index + 1, this.index + 4) === '!--') { - this.index += 4; // `