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Commitf171ec0

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committed
Added support for BigInt and Numeric Separators
1 parent589c9b7 commitf171ec0

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9 files changed

+134
-1
lines changed

9 files changed

+134
-1
lines changed

‎escodegen.js‎

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Original file line numberDiff line numberDiff line change
@@ -2356,7 +2356,17 @@
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returnescapeString(expr.value);
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}
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// BigInt, eg: 1n
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if(typeofexpr.bigint==='string'&&expr.raw){
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returnexpr.raw;
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}
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if(typeofexpr.value==='number'){
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// Has Numeric Separator
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if(expr.raw&&expr.raw.indexOf('_')!==-1){
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returnexpr.raw;
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}
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returngenerateNumber(expr.value);
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}
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‎package.json‎

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Original file line numberDiff line numberDiff line change
@@ -39,7 +39,7 @@
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"source-map":"~0.6.1"
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},
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"devDependencies": {
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"acorn":"^7.3.1",
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"acorn":"^8.0.1",
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"bluebird":"^3.4.7",
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"bower-registry-client":"^1.0.0",
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"chai":"^4.2.0",
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
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0n;
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2n;
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0x2n;
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0o2n;
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0b10n;
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-0xbf2ed51ff75d380fd3be813ec6185780n;
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
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0n;2n;0x2n;0o2n;0b10n;-0xbf2ed51ff75d380fd3be813ec6185780n
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
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0n;
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2n;
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0x2n;
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0o2n;
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0b10n;
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-0xbf2ed51ff75d380fd3be813ec6185780n;

‎test/compare-acorn-es2021.js‎

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@@ -0,0 +1,95 @@
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/*
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Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
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Redistribution and use in source and binary forms, with or without
5+
modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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'use strict';
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varfs=require('fs'),
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acorn=require('acorn'),
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escodegen=require('./loader'),
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chai=require('chai'),
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chaiExclude=require('chai-exclude'),
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expect=chai.expect;
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chai.use(chaiExclude);
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functiontest(code,expected){
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vartree,actual,actualTree,options;
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options={
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ranges:false,
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locations:false,
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ecmaVersion:12
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};
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tree=acorn.parse(code,options);
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// for UNIX text comment
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actual=escodegen.generate(tree);
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actualTree=acorn.parse(actual,options);
50+
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expect(actual).to.be.equal(expected);
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expect(tree).excludingEvery(['start','end']).to.deep.equal(actualTree);
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}
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functiontestMin(code,expected){
56+
vartree,actual,actualTree,options;
57+
58+
options={
59+
ranges:false,
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locations:false,
61+
ecmaVersion:12
62+
};
63+
64+
tree=acorn.parse(code,options);
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// for UNIX text comment
67+
actual=escodegen.generate(tree,{
68+
format:escodegen.FORMAT_MINIFY,
69+
raw:false
70+
}).replace(/[\n\r]$/,'')+'\n';
71+
actualTree=acorn.parse(actual,options);
72+
73+
expect(actual).to.be.equal(expected);
74+
expect(tree).excludingEvery(['start','end']).to.deep.equal(actualTree);
75+
}
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77+
describe('compare acorn es2021 test',function(){
78+
fs.readdirSync(__dirname+'/compare-acorn-es2021').sort().forEach(function(file){
79+
varcode,expected,exp,min;
80+
if(/\.js$/.test(file)&&!/expected\.js$/.test(file)&&!/expected\.min\.js$/.test(file)){
81+
it(file,function(){
82+
exp=file.replace(/\.js$/,'.expected.js');
83+
min=file.replace(/\.js$/,'.expected.min.js');
84+
code=fs.readFileSync(__dirname+'/compare-acorn-es2021/'+file,'utf-8');
85+
expected=fs.readFileSync(__dirname+'/compare-acorn-es2021/'+exp,'utf-8');
86+
test(code,expected);
87+
if(fs.existsSync(__dirname+'/compare-acorn-es2021/'+min)){
88+
expected=fs.readFileSync(__dirname+'/compare-acorn-es2021/'+min,'utf-8');
89+
testMin(code,expected);
90+
}
91+
});
92+
}
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});
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});
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/* vim: set sw=4 ts=4 et tw=80 : */
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@@ -0,0 +1,7 @@
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123_456;
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123_456.123_456e+123_456;
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0b1010_0001;
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0xDEAD_BEAF;
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0o755_666;
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123_456n;
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.012_345;
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@@ -0,0 +1 @@
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123_456;123_456.123_456e+123_456;0b1010_0001;0xDEAD_BEAF;0o755_666;123_456n;.012_345
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123_456;
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123_456.123_456e+123_456;
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0b1010_0001;
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0xDEAD_BEAF;
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0o755_666;
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123_456n;
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.012_345;

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