Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* Any copyright is dedicated to the Public Domain. |
michael@0 | 2 | http://creativecommons.org/publicdomain/zero/1.0/ */ |
michael@0 | 3 | |
michael@0 | 4 | /** |
michael@0 | 5 | * Check that some potentially problematic identifier nodes have the |
michael@0 | 6 | * right location information attached. |
michael@0 | 7 | */ |
michael@0 | 8 | |
michael@0 | 9 | function test() { |
michael@0 | 10 | let { Parser, ParserHelpers, SyntaxTreeVisitor } = |
michael@0 | 11 | Cu.import("resource:///modules/devtools/Parser.jsm", {}); |
michael@0 | 12 | |
michael@0 | 13 | function verify(source, predicate, [sline, scol], [eline, ecol]) { |
michael@0 | 14 | let ast = Parser.reflectionAPI.parse(source); |
michael@0 | 15 | let node = SyntaxTreeVisitor.filter(ast, predicate).pop(); |
michael@0 | 16 | let loc = ParserHelpers.getNodeLocation(node); |
michael@0 | 17 | |
michael@0 | 18 | is(loc.start.toSource(), { line: sline, column: scol }.toSource(), |
michael@0 | 19 | "The start location was correct for the identifier in: '" + source + "'."); |
michael@0 | 20 | is(loc.end.toSource(), { line: eline, column: ecol }.toSource(), |
michael@0 | 21 | "The end location was correct for the identifier in: '" + source + "'."); |
michael@0 | 22 | } |
michael@0 | 23 | |
michael@0 | 24 | // FunctionDeclarations and FunctionExpressions. |
michael@0 | 25 | |
michael@0 | 26 | // The location is unavailable for the identifier node "foo". |
michael@0 | 27 | verify("function foo(){}", e => e.name == "foo", [1, 9], [1, 12]); |
michael@0 | 28 | verify("\nfunction\nfoo\n(\n)\n{\n}\n", e => e.name == "foo", [3, 0], [3, 3]); |
michael@0 | 29 | |
michael@0 | 30 | verify("({bar:function foo(){}})", e => e.name == "foo", [1, 15], [1, 18]); |
michael@0 | 31 | verify("(\n{\nbar\n:\nfunction\nfoo\n(\n)\n{\n}\n}\n)", e => e.name == "foo", [6, 0], [6, 3]); |
michael@0 | 32 | |
michael@0 | 33 | // Just to be sure, check the identifier node "bar" as well. |
michael@0 | 34 | verify("({bar:function foo(){}})", e => e.name == "bar", [1, 2], [1, 5]); |
michael@0 | 35 | verify("(\n{\nbar\n:\nfunction\nfoo\n(\n)\n{\n}\n}\n)", e => e.name == "bar", [3, 0], [3, 3]); |
michael@0 | 36 | |
michael@0 | 37 | // MemberExpressions. |
michael@0 | 38 | |
michael@0 | 39 | // The location is unavailable for the identifier node "bar". |
michael@0 | 40 | verify("foo.bar", e => e.name == "bar", [1, 4], [1, 7]); |
michael@0 | 41 | verify("\nfoo\n.\nbar\n", e => e.name == "bar", [4, 0], [4, 3]); |
michael@0 | 42 | |
michael@0 | 43 | // Just to be sure, check the identifier node "foo" as well. |
michael@0 | 44 | verify("foo.bar", e => e.name == "foo", [1, 0], [1, 3]); |
michael@0 | 45 | verify("\nfoo\n.\nbar\n", e => e.name == "foo", [2, 0], [2, 3]); |
michael@0 | 46 | |
michael@0 | 47 | // VariableDeclarator |
michael@0 | 48 | |
michael@0 | 49 | // The location is incorrect for the identifier node "foo". |
michael@0 | 50 | verify("let foo = bar", e => e.name == "foo", [1, 4], [1, 7]); |
michael@0 | 51 | verify("\nlet\nfoo\n=\nbar\n", e => e.name == "foo", [3, 0], [3, 3]); |
michael@0 | 52 | |
michael@0 | 53 | // Just to be sure, check the identifier node "bar" as well. |
michael@0 | 54 | verify("let foo = bar", e => e.name == "bar", [1, 10], [1, 13]); |
michael@0 | 55 | verify("\nlet\nfoo\n=\nbar\n", e => e.name == "bar", [5, 0], [5, 3]); |
michael@0 | 56 | |
michael@0 | 57 | // Just to be sure, check AssignmentExpreesions as well. |
michael@0 | 58 | verify("foo = bar", e => e.name == "foo", [1, 0], [1, 3]); |
michael@0 | 59 | verify("\nfoo\n=\nbar\n", e => e.name == "foo", [2, 0], [2, 3]); |
michael@0 | 60 | verify("foo = bar", e => e.name == "bar", [1, 6], [1, 9]); |
michael@0 | 61 | verify("\nfoo\n=\nbar\n", e => e.name == "bar", [4, 0], [4, 3]); |
michael@0 | 62 | |
michael@0 | 63 | // LabeledStatement and ContinueStatement, because it's 1968 again |
michael@0 | 64 | |
michael@0 | 65 | verify("foo: bar", e => e.name == "foo", [1, 0], [1, 3]); |
michael@0 | 66 | verify("\nfoo\n:\nbar\n", e => e.name == "foo", [2, 0], [2, 3]); |
michael@0 | 67 | |
michael@0 | 68 | verify("foo: for(;;) continue foo", e => e.name == "foo", [1, 22], [1, 25]); |
michael@0 | 69 | verify("\nfoo\n:\nfor(\n;\n;\n)\ncontinue\nfoo\n", e => e.name == "foo", [9, 0], [9, 3]); |
michael@0 | 70 | |
michael@0 | 71 | finish(); |
michael@0 | 72 | } |