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trap invalid use of reserved words (#2338)

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fixes #2337
This commit is contained in:
Alex Lam S.L
2017-10-01 02:10:41 +08:00
committed by GitHub
parent 55387e8fd0
commit 2dcc552ce0
2 changed files with 8 additions and 0 deletions
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2
lib/parse.js
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@@ -1054,6 +1054,8 @@ function parse($TEXT, options) {
var name = is("name") ? as_symbol(in_statement ? AST_SymbolDefun : AST_SymbolLambda) : null;
if (in_statement && !name)
unexpected();
if (name && ctor !== AST_Accessor && !(name instanceof AST_SymbolDeclaration))
unexpected(prev());
expect("(");
var argnames = [];
for (var first = true; !is("punc", ")");) {

6
test/mocha/minify.js
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@@ -73,6 +73,12 @@ describe("minify", function() {
assert.strictEqual(run_code(compressed), run_code(original));
});
it("should not parse invalid use of reserved words", function() {
assert.strictEqual(Uglify.minify("function enum(){}").error, undefined);
assert.strictEqual(Uglify.minify("function static(){}").error, undefined);
assert.strictEqual(Uglify.minify("function this(){}").error.message, "Unexpected token: name (this)");
});
describe("keep_quoted_props", function() {
it("Should preserve quotes in object literals", function() {
var js = 'var foo = {"x": 1, y: 2, \'z\': 3};';