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src: wrap source before doing syntax check
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This is to ensure that it is evaluated the same way it would be if it
were to be run by node or required.

Before, the following would pass if run by node, but fail if run via
the syntax check flag:

    if (true) {
      return;
    }

Now, this will pass the syntax check

PR-URL: #3587
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
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evanlucas committed Oct 29, 2015
1 parent 810cc05 commit 08166cb
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Showing 3 changed files with 6 additions and 0 deletions.
2 changes: 2 additions & 0 deletions src/node.js
Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,8 @@
var source = fs.readFileSync(filename, 'utf-8');
// remove shebang and BOM
source = internalModule.stripBOM(source.replace(/^\#\!.*/, ''));
// wrap it
source = Module.wrap(source);
// compile the script, this will throw if it fails
new vm.Script(source, {filename: filename, displayErrors: true});
process.exit(0);
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3 changes: 3 additions & 0 deletions test/fixtures/syntax/illegal_if_not_wrapped.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
if (true) {
return;
}
1 change: 1 addition & 0 deletions test/parallel/test-cli-syntax.js
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ var syntaxArgs = [
'syntax/good_syntax',
'syntax/good_syntax_shebang.js',
'syntax/good_syntax_shebang',
'syntax/illegal_if_not_wrapped.js'
].forEach(function(file) {
file = path.join(common.fixturesDir, file);

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