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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/client/debugger/test/mochitest/browser_dbg_parser-06.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Check that some potentially problematic identifier nodes have the
+ * right location information attached.
+ */
+
+function test() {
+ let { Parser, ParserHelpers, SyntaxTreeVisitor } =
+ Cu.import("resource://devtools/shared/Parser.jsm", {});
+
+ function verify(source, predicate, [sline, scol], [eline, ecol]) {
+ let ast = Parser.reflectionAPI.parse(source);
+ let node = SyntaxTreeVisitor.filter(ast, predicate).pop();
+ let loc = ParserHelpers.getNodeLocation(node);
+
+ is(loc.start.toSource(), { line: sline, column: scol }.toSource(),
+ "The start location was correct for the identifier in: '" + source + "'.");
+ is(loc.end.toSource(), { line: eline, column: ecol }.toSource(),
+ "The end location was correct for the identifier in: '" + source + "'.");
+ }
+
+ // FunctionDeclarations and FunctionExpressions.
+
+ // The location is unavailable for the identifier node "foo".
+ verify("function foo(){}", e => e.name == "foo", [1, 9], [1, 12]);
+ verify("\nfunction\nfoo\n(\n)\n{\n}\n", e => e.name == "foo", [3, 0], [3, 3]);
+
+ verify("({bar:function foo(){}})", e => e.name == "foo", [1, 15], [1, 18]);
+ verify("(\n{\nbar\n:\nfunction\nfoo\n(\n)\n{\n}\n}\n)", e => e.name == "foo", [6, 0], [6, 3]);
+
+ // Just to be sure, check the identifier node "bar" as well.
+ verify("({bar:function foo(){}})", e => e.name == "bar", [1, 2], [1, 5]);
+ verify("(\n{\nbar\n:\nfunction\nfoo\n(\n)\n{\n}\n}\n)", e => e.name == "bar", [3, 0], [3, 3]);
+
+ // MemberExpressions.
+
+ // The location is unavailable for the identifier node "bar".
+ verify("foo.bar", e => e.name == "bar", [1, 4], [1, 7]);
+ verify("\nfoo\n.\nbar\n", e => e.name == "bar", [4, 0], [4, 3]);
+
+ // Just to be sure, check the identifier node "foo" as well.
+ verify("foo.bar", e => e.name == "foo", [1, 0], [1, 3]);
+ verify("\nfoo\n.\nbar\n", e => e.name == "foo", [2, 0], [2, 3]);
+
+ // VariableDeclarator
+
+ // The location is incorrect for the identifier node "foo".
+ verify("let foo = bar", e => e.name == "foo", [1, 4], [1, 7]);
+ verify("\nlet\nfoo\n=\nbar\n", e => e.name == "foo", [3, 0], [3, 3]);
+
+ // Just to be sure, check the identifier node "bar" as well.
+ verify("let foo = bar", e => e.name == "bar", [1, 10], [1, 13]);
+ verify("\nlet\nfoo\n=\nbar\n", e => e.name == "bar", [5, 0], [5, 3]);
+
+ // Just to be sure, check AssignmentExpreesions as well.
+ verify("foo = bar", e => e.name == "foo", [1, 0], [1, 3]);
+ verify("\nfoo\n=\nbar\n", e => e.name == "foo", [2, 0], [2, 3]);
+ verify("foo = bar", e => e.name == "bar", [1, 6], [1, 9]);
+ verify("\nfoo\n=\nbar\n", e => e.name == "bar", [4, 0], [4, 3]);
+
+ // LabeledStatement, BreakStatement and ContinueStatement, because it's 1968 again
+
+ verify("foo: bar", e => e.name == "foo", [1, 0], [1, 3]);
+ verify("\nfoo\n:\nbar\n", e => e.name == "foo", [2, 0], [2, 3]);
+
+ verify("foo: for(;;) break foo", e => e.name == "foo", [1, 19], [1, 22]);
+ verify("\nfoo\n:\nfor(\n;\n;\n)\nbreak\nfoo\n", e => e.name == "foo", [9, 0], [9, 3]);
+
+ verify("foo: bar", e => e.name == "foo", [1, 0], [1, 3]);
+ verify("\nfoo\n:\nbar\n", e => e.name == "foo", [2, 0], [2, 3]);
+
+ verify("foo: for(;;) continue foo", e => e.name == "foo", [1, 22], [1, 25]);
+ verify("\nfoo\n:\nfor(\n;\n;\n)\ncontinue\nfoo\n", e => e.name == "foo", [9, 0], [9, 3]);
+
+ finish();
+}