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David Majda 0c39f1cf86 Fix labels leaking to outer scope
Labels in expressions like "(a:"a")" or "(a:"a" b:"b" c:"c")" were
visible to the outside despite being wrapped in parens. This commit
makes them invisible, as they should be.

Note this required introduction of a new "group" AST node, whose purpose
is purely to provide label scope isolation. This was necessary because
"label" and "sequence" nodes don't (and can't!) provide this isolation
themselves.

Part of a fix of #396.
9 years ago
..
compiler Fix labels leaking to outer scope 9 years ago
utils
.eslintrc.json ESLint: Set environments better 9 years ago
compiler.js Expose the AST node visitor builder via PEG.compiler.visitor 9 years ago
grammar-error.js
parser.js Fix labels leaking to outer scope 9 years ago
peg.js Update version to 0.9.0 9 years ago