404 lines
15 KiB
JavaScript
404 lines
15 KiB
JavaScript
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#! /usr/bin/env node
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var parseJS = require("../lib/parse-js");
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var sys = require("sys");
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// write debug in a very straightforward manner
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var debug = function(){
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sys.log(Array.prototype.slice.call(arguments).join(', '));
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};
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ParserTestSuite(function(i, input, desc){
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try {
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parseJS.parse(input);
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debug("ok " + i + ": " + desc);
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} catch(e){
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debug("FAIL " + i + " " + desc + " (" + e + ")");
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}
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});
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function ParserTestSuite(callback){
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var inps = [
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["var abc;", "Regular variable statement w/o assignment"],
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["var abc = 5;", "Regular variable statement with assignment"],
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["/* */;", "Multiline comment"],
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['/** **/;', 'Double star multiline comment'],
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["var f = function(){;};", "Function expression in var assignment"],
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['hi; // moo\n;', 'single line comment'],
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['var varwithfunction;', 'Dont match keywords as substrings'], // difference between `var withsomevar` and `"str"` (local search and lits)
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['a + b;', 'addition'],
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["'a';", 'single string literal'],
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["'a\\n';", 'single string literal with escaped return'],
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['"a";', 'double string literal'],
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['"a\\n";', 'double string literal with escaped return'],
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['"var";', 'string is a keyword'],
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['"variable";', 'string starts with a keyword'],
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['"somevariable";', 'string contains a keyword'],
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['"somevar";', 'string ends with a keyword'],
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['500;', 'int literal'],
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['500.;', 'float literal w/o decimals'],
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['500.432;', 'float literal with decimals'],
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['.432432;', 'float literal w/o int'],
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['(a,b,c);', 'parens and comma'],
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['[1,2,abc];', 'array literal'],
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['var o = {a:1};', 'object literal unquoted key'],
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['var o = {"b":2};', 'object literal quoted key'], // opening curly may not be at the start of a statement...
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['var o = {c:c};', 'object literal keyname is identifier'],
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['var o = {a:1,"b":2,c:c};', 'object literal combinations'],
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['var x;\nvar y;', 'two lines'],
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['var x;\nfunction n(){; }', 'function def'],
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['var x;\nfunction n(abc){; }', 'function def with arg'],
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['var x;\nfunction n(abc, def){ ;}', 'function def with args'],
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['function n(){ "hello"; }', 'function def with body'],
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['/a/;', 'regex literal'],
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['/a/b;', 'regex literal with flag'],
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['/a/ / /b/;', 'regex div regex'],
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['a/b/c;', 'triple division looks like regex'],
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['+function(){/regex/;};', 'regex at start of function body'],
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// http://code.google.com/p/es-lab/source/browse/trunk/tests/parser/parsertests.js?r=86
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// http://code.google.com/p/es-lab/source/browse/trunk/tests/parser/parsertests.js?r=430
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// first tests for the lexer, should also parse as program (when you append a semi)
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// comments
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['//foo!@#^&$1234\nbar;', 'single line comment'],
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['/* abcd!@#@$* { } && null*/;', 'single line multi line comment'],
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['/*foo\nbar*/;','multi line comment'],
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['/*x*x*/;','multi line comment with *'],
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['/**/;','empty comment'],
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// identifiers
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["x;",'1 identifier'],
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["_x;",'2 identifier'],
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["xyz;",'3 identifier'],
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["$x;",'4 identifier'],
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["x$;",'5 identifier'],
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["_;",'6 identifier'],
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["x5;",'7 identifier'],
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["x_y;",'8 identifier'],
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["x+5;",'9 identifier'],
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["xyz123;",'10 identifier'],
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["x1y1z1;",'11 identifier'],
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["foo\\u00D8bar;",'12 identifier unicode escape'],
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//["foo<6F>bar;",'13 identifier unicode embedded (might fail)'],
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// numbers
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["5;", '1 number'],
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["5.5;", '2 number'],
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["0;", '3 number'],
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["0.0;", '4 number'],
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["0.001;", '5 number'],
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["1.e2;", '6 number'],
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["1.e-2;", '7 number'],
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["1.E2;", '8 number'],
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["1.E-2;", '9 number'],
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[".5;", '10 number'],
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[".5e3;", '11 number'],
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[".5e-3;", '12 number'],
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["0.5e3;", '13 number'],
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["55;", '14 number'],
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["123;", '15 number'],
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["55.55;", '16 number'],
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["55.55e10;", '17 number'],
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["123.456;", '18 number'],
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["1+e;", '20 number'],
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["0x01;", '22 number'],
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["0XCAFE;", '23 number'],
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["0x12345678;", '24 number'],
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["0x1234ABCD;", '25 number'],
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["0x0001;", '26 number'],
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// strings
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["\"foo\";", '1 string'],
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["\'foo\';", '2 string'],
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["\"x\";", '3 string'],
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["\'\';", '4 string'],
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["\"foo\\tbar\";", '5 string'],
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["\"!@#$%^&*()_+{}[]\";", '6 string'],
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["\"/*test*/\";", '7 string'],
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["\"//test\";", '8 string'],
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["\"\\\\\";", '9 string'],
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["\"\\u0001\";", '10 string'],
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["\"\\uFEFF\";", '11 string'],
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["\"\\u10002\";", '12 string'],
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["\"\\x55\";", '13 string'],
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["\"\\x55a\";", '14 string'],
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["\"a\\\\nb\";", '15 string'],
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['";"', '16 string: semi in a string'],
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['"a\\\nb";', '17 string: line terminator escape'],
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// literals
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["null;", "null"],
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["true;", "true"],
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["false;", "false"],
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// regex
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["/a/;", "1 regex"],
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["/abc/;", "2 regex"],
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["/abc[a-z]*def/g;", "3 regex"],
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["/\\b/;", "4 regex"],
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["/[a-zA-Z]/;", "5 regex"],
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// program tests (for as far as they havent been covered above)
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// regexp
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["/foo(.*)/g;", "another regexp"],
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// arrays
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["[];", "1 array"],
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["[ ];", "2 array"],
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["[1];", "3 array"],
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["[1,2];", "4 array"],
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["[1,2,,];", "5 array"],
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["[1,2,3];", "6 array"],
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["[1,2,3,,,];", "7 array"],
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// objects
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["{};", "1 object"],
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["({x:5});", "2 object"],
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["({x:5,y:6});", "3 object"],
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["({x:5,});", "4 object"],
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["({if:5});", "5 object"],
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["({ get x() {42;} });", "6 object"],
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["({ set y(a) {1;} });", "7 object"],
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// member expression
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["o.m;", "1 member expression"],
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["o['m'];", "2 member expression"],
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["o['n']['m'];", "3 member expression"],
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["o.n.m;", "4 member expression"],
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["o.if;", "5 member expression"],
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// call and invoke expressions
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["f();", "1 call/invoke expression"],
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["f(x);", "2 call/invoke expression"],
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["f(x,y);", "3 call/invoke expression"],
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["o.m();", "4 call/invoke expression"],
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["o['m'];", "5 call/invoke expression"],
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["o.m(x);", "6 call/invoke expression"],
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["o['m'](x);", "7 call/invoke expression"],
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["o.m(x,y);", "8 call/invoke expression"],
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["o['m'](x,y);", "9 call/invoke expression"],
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["f(x)(y);", "10 call/invoke expression"],
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["f().x;", "11 call/invoke expression"],
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// eval
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["eval('x');", "1 eval"],
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["(eval)('x');", "2 eval"],
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["(1,eval)('x');", "3 eval"],
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["eval(x,y);", "4 eval"],
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// new expression
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["new f();", "1 new expression"],
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["new o;", "2 new expression"],
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["new o.m;", "3 new expression"],
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["new o.m(x);", "4 new expression"],
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["new o.m(x,y);", "5 new expression"],
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// prefix/postfix
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["++x;", "1 pre/postfix"],
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["x++;", "2 pre/postfix"],
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["--x;", "3 pre/postfix"],
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["x--;", "4 pre/postfix"],
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["x ++;", "5 pre/postfix"],
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["x /* comment */ ++;", "6 pre/postfix"],
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["++ /* comment */ x;", "7 pre/postfix"],
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// unary operators
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["delete x;", "1 unary operator"],
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["void x;", "2 unary operator"],
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["+ x;", "3 unary operator"],
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["-x;", "4 unary operator"],
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["~x;", "5 unary operator"],
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["!x;", "6 unary operator"],
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// meh
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["new Date++;", "new date ++"],
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["+x++;", " + x ++"],
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// expression expressions
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["1 * 2;", "1 expression expressions"],
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["1 / 2;", "2 expression expressions"],
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["1 % 2;", "3 expression expressions"],
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["1 + 2;", "4 expression expressions"],
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["1 - 2;", "5 expression expressions"],
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["1 << 2;", "6 expression expressions"],
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["1 >>> 2;", "7 expression expressions"],
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["1 >> 2;", "8 expression expressions"],
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["1 * 2 + 3;", "9 expression expressions"],
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["(1+2)*3;", "10 expression expressions"],
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["1*(2+3);", "11 expression expressions"],
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["x<y;", "12 expression expressions"],
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["x>y;", "13 expression expressions"],
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["x<=y;", "14 expression expressions"],
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["x>=y;", "15 expression expressions"],
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["x instanceof y;", "16 expression expressions"],
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["x in y;", "17 expression expressions"],
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["x&y;", "18 expression expressions"],
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["x^y;", "19 expression expressions"],
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["x|y;", "20 expression expressions"],
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["x+y<z;", "21 expression expressions"],
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["x<y+z;", "22 expression expressions"],
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["x+y+z;", "23 expression expressions"],
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["x+y<z;", "24 expression expressions"],
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["x<y+z;", "25 expression expressions"],
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["x&y|z;", "26 expression expressions"],
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["x&&y;", "27 expression expressions"],
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["x||y;", "28 expression expressions"],
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["x&&y||z;", "29 expression expressions"],
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["x||y&&z;", "30 expression expressions"],
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["x<y?z:w;", "31 expression expressions"],
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// assignment
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["x >>>= y;", "1 assignment"],
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["x <<= y;", "2 assignment"],
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["x = y;", "3 assignment"],
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["x += y;", "4 assignment"],
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["x /= y;", "5 assignment"],
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// comma
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["x, y;", "comma"],
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// block
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["{};", "1 block"],
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["{x;};", "2 block"],
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["{x;y;};", "3 block"],
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// vars
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["var x;", "1 var"],
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["var x,y;", "2 var"],
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["var x=1,y=2;", "3 var"],
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["var x,y=2;", "4 var"],
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// empty
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[";", "1 empty"],
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["\n;", "2 empty"],
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// expression statement
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["x;", "1 expression statement"],
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["5;", "2 expression statement"],
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["1+2;", "3 expression statement"],
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// if
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["if (c) x; else y;", "1 if statement"],
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["if (c) x;", "2 if statement"],
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["if (c) {} else {};", "3 if statement"],
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["if (c1) if (c2) s1; else s2;", "4 if statement"],
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// while
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["do s; while (e);", "1 while statement"],
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["do { s; } while (e);", "2 while statement"],
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["while (e) s;", "3 while statement"],
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["while (e) { s; };", "4 while statement"],
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// for
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["for (;;) ;", "1 for statement"],
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["for (;c;x++) x;", "2 for statement"],
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["for (i;i<len;++i){};", "3 for statement"],
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["for (var i=0;i<len;++i) {};", "4 for statement"],
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["for (var i=0,j=0;;){};", "5 for statement"],
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//["for (x in b; c; u) {};", "6 for statement"],
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["for ((x in b); c; u) {};", "7 for statement"],
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["for (x in a);", "8 for statement"],
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["for (var x in a){};", "9 for statement"],
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["for (var x=5 in a) {};", "10 for statement"],
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["for (var x = a in b in c) {};", "11 for statement"],
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["for (var x=function(){a+b;}; a<b; ++i) some;", "11 for statement, testing for parsingForHeader reset with the function"],
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["for (var x=function(){for (x=0; x<15; ++x) alert(foo); }; a<b; ++i) some;", "11 for statement, testing for parsingForHeader reset with the function"],
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// flow statements
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["while(1){ continue; }", "1 flow statement"],
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["label: while(1){ continue label; }", "2 flow statement"],
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["while(1){ break; }", "3 flow statement"],
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["somewhere: while(1){ break somewhere; }", "4 flow statement"],
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["while(1){ continue /* comment */ ; }", "5 flow statement"],
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["while(1){ continue \n; }", "6 flow statement"],
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["(function(){ return; })()", "7 flow statement"],
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["(function(){ return 0; })()", "8 flow statement"],
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["(function(){ return 0 + \n 1; })()", "9 flow statement"],
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// with
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["with (e) s;", "with statement"],
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// switch
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["switch (e) { case x: s; };", "1 switch statement"],
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["switch (e) { case x: s1;s2; default: s3; case y: s4; };", "2 switch statement"],
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["switch (e) { default: s1; case x: s2; case y: s3; };", "3 switch statement"],
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["switch (e) { default: s; };", "4 switch statement"],
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["switch (e) { case x: s1; case y: s2; };", "5 switch statement"],
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// labels
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["foo : x;", " flow statement"],
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// throw
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["throw x;", "1 throw statement"],
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["throw x\n;", "2 throw statement"],
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// try catch finally
|
|||
|
|
["try { s1; } catch (e) { s2; };", "1 trycatchfinally statement"],
|
|||
|
|
["try { s1; } finally { s2; };", "2 trycatchfinally statement"],
|
|||
|
|
["try { s1; } catch (e) { s2; } finally { s3; };", "3 trycatchfinally statement"],
|
|||
|
|
// debugger
|
|||
|
|
["debugger;", "debuger statement"],
|
|||
|
|
// function decl
|
|||
|
|
["function f(x) { e; return x; };", "1 function declaration"],
|
|||
|
|
["function f() { x; y; };", "2 function declaration"],
|
|||
|
|
["function f(x,y) { var z; return x; };", "3 function declaration"],
|
|||
|
|
// function exp
|
|||
|
|
["(function f(x) { return x; });", "1 function expression"],
|
|||
|
|
["(function empty() {;});", "2 function expression"],
|
|||
|
|
["(function empty() {;});", "3 function expression"],
|
|||
|
|
["(function (x) {; });", "4 function expression"],
|
|||
|
|
// program
|
|||
|
|
["var x; function f(){;}; null;", "1 program"],
|
|||
|
|
[";;", "2 program"],
|
|||
|
|
["{ x; y; z; }", "3 program"],
|
|||
|
|
["function f(){ function g(){;}};", "4 program"],
|
|||
|
|
["x;\n/*foo*/\n ;", "5 program"],
|
|||
|
|
|
|||
|
|
// asi
|
|||
|
|
["foo: while(1){ continue \n foo; }", "1 asi"],
|
|||
|
|
["foo: while(1){ break \n foo; }", "2 asi"],
|
|||
|
|
["(function(){ return\nfoo; })()", "3 asi"],
|
|||
|
|
["var x; { 1 \n 2 } 3", "4 asi"],
|
|||
|
|
["ab /* hi */\ncd", "5 asi"],
|
|||
|
|
["ab/*\n*/cd", "6 asi (multi line multilinecomment counts as eol)"],
|
|||
|
|
["foo: while(1){ continue /* wtf \n busta */ foo; }", "7 asi illegal with multi line comment"],
|
|||
|
|
["function f() { s }", "8 asi"],
|
|||
|
|
["function f() { return }", "9 asi"],
|
|||
|
|
|
|||
|
|
// use strict
|
|||
|
|
// XXX: some of these should actually fail?
|
|||
|
|
// no support for "use strict" yet...
|
|||
|
|
['"use strict"; \'bla\'\n; foo;', "1 directive"],
|
|||
|
|
['(function() { "use strict"; \'bla\';\n foo; });', "2 directive"],
|
|||
|
|
['"use\\n strict";', "3 directive"],
|
|||
|
|
['foo; "use strict";', "4 directive"],
|
|||
|
|
|
|||
|
|
// tests from http://es5conform.codeplex.com/
|
|||
|
|
|
|||
|
|
['"use strict"; var o = { eval: 42};', "8.7.2-3-1-s: the use of eval as property name is allowed"],
|
|||
|
|
['({foo:0,foo:1});', 'Duplicate property name allowed in not strict mode'],
|
|||
|
|
['function foo(a,a){}', 'Duplicate parameter name allowed in not strict mode'],
|
|||
|
|
['(function foo(eval){})', 'Eval allowed as parameter name in non strict mode'],
|
|||
|
|
['(function foo(arguments){})', 'Arguments allowed as parameter name in non strict mode'],
|
|||
|
|
|
|||
|
|
// empty programs
|
|||
|
|
|
|||
|
|
['', '1 Empty program'],
|
|||
|
|
['// test', '2 Empty program'],
|
|||
|
|
['//test\n', '3 Empty program'],
|
|||
|
|
['\n// test', '4 Empty program'],
|
|||
|
|
['\n// test\n', '5 Empty program'],
|
|||
|
|
['/* */', '6 Empty program'],
|
|||
|
|
['/*\ns,fd\n*/', '7 Empty program'],
|
|||
|
|
['/*\ns,fd\n*/\n', '8 Empty program'],
|
|||
|
|
[' ', '9 Empty program'],
|
|||
|
|
[' /*\nsmeh*/ \n ', '10 Empty program'],
|
|||
|
|
|
|||
|
|
// trailing whitespace
|
|||
|
|
|
|||
|
|
['a ', '1 Trailing whitespace'],
|
|||
|
|
['a /* something */', '2 Trailing whitespace'],
|
|||
|
|
['a\n // hah', '3 Trailing whitespace'],
|
|||
|
|
['/abc/de//f', '4 Trailing whitespace'],
|
|||
|
|
['/abc/de/*f*/\n ', '5 Trailing whitespace'],
|
|||
|
|
|
|||
|
|
// things the parser tripped over at one point or the other (prevents regression bugs)
|
|||
|
|
['for (x;function(){ a\nb };z) x;', 'for header with function body forcing ASI'],
|
|||
|
|
['c=function(){return;return};', 'resetting noAsi after literal'],
|
|||
|
|
['d\nd()', 'asi exception causing token overflow'],
|
|||
|
|
['for(;;){x=function(){}}', 'function expression in a for header'],
|
|||
|
|
['for(var k;;){}', 'parser failing due to ASI accepting the incorrect "for" rule'],
|
|||
|
|
['({get foo(){ }})', 'getter with empty function body'],
|
|||
|
|
['\nreturnr', 'eol causes return statement to ignore local search requirement'],
|
|||
|
|
[' / /', '1 whitespace before regex causes regex to fail?'],
|
|||
|
|
['/ // / /', '2 whitespace before regex causes regex to fail?'],
|
|||
|
|
['/ / / / /', '3 whitespace before regex causes regex to fail?'],
|
|||
|
|
|
|||
|
|
['\n\t// Used for trimming whitespace\n\ttrimLeft = /^\\s+/;\n\ttrimRight = /\\s+$/;\t\n','turned out this didnt crash (the test below did), but whatever.'],
|
|||
|
|
['/[\\/]/;', 'escaped forward slash inside class group (would choke on fwd slash)'],
|
|||
|
|
['/[/]/;', 'also broke but is valid in es5 (not es3)'],
|
|||
|
|
['({get:5});','get property name thats not a getter'],
|
|||
|
|
['({set:5});','set property name thats not a setter'],
|
|||
|
|
['l !== "px" && (d.style(h, c, (k || 1) + l), j = (k || 1) / f.cur() * j, d.style(h, c, j + l)), i[1] && (k = (i[1] === "-=" ? -1 : 1) * k + j), f.custom(j, k, l)', 'this choked regex/div at some point'],
|
|||
|
|
['(/\'/g, \'\\\\\\\'\') + "\'";', 'the sequence of escaped characters confused the tokenizer'],
|
|||
|
|
['if (true) /=a/.test("a");', 'regexp starting with "=" in not obvious context (not implied by preceding token)']
|
|||
|
|
];
|
|||
|
|
|
|||
|
|
for (var i=0; i<inps.length; ++i) {
|
|||
|
|
callback(i, inps[i][0], inps[i][1]);
|
|||
|
|
};
|
|||
|
|
};
|