JoBoEVD/UglifyJS
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improve error marker placement (#1644)

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For AST_UnaryPrefix, points to the operator rather than end of expression.
This commit is contained in:
Alex Lam S.L
2017-03-24 14:28:40 +08:00
committed by GitHub
parent 701035621d
commit 2e0dc97003
2 changed files with 3 additions and 3 deletions
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2
lib/parse.js
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@@ -1457,7 +1457,7 @@ function parse($TEXT, options) {
function make_unary(ctor, op, expr) { function make_unary(ctor, op, expr) {
if ((op == "++" || op == "--") && !is_assignable(expr)) if ((op == "++" || op == "--") && !is_assignable(expr))
croak("Invalid use of " + op + " operator"); croak("Invalid use of " + op + " operator", null, ctor === AST_UnaryPrefix ? expr.start.col - 1 : null);
return new ctor({ operator: op, expression: expr }); return new ctor({ operator: op, expression: expr });
}; };

4
test/mocha/cli.js
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@@ -298,9 +298,9 @@ describe("bin/uglifyjs", function () {
assert.ok(err); assert.ok(err);
assert.strictEqual(stdout, ""); assert.strictEqual(stdout, "");
assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [ assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [
"Parse error at test/input/invalid/assign_3.js:1,23", "Parse error at test/input/invalid/assign_3.js:1,18",
"console.log(3 || ++this);", "console.log(3 || ++this);",
" ^", " ^",
"SyntaxError: Invalid use of ++ operator" "SyntaxError: Invalid use of ++ operator"
].join("\n")); ].join("\n"));
done(); done();