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Resolve #153

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yhirose 2021-03-08 11:54:46 -05:00
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@ -420,6 +420,8 @@ AST generation
*cpp-peglib* is able to generate an AST (Abstract Syntax Tree) when parsing. `enable_ast` method on `peg::parser` class enables the feature. *cpp-peglib* is able to generate an AST (Abstract Syntax Tree) when parsing. `enable_ast` method on `peg::parser` class enables the feature.
NOTE: An AST node holds a corresponding token as `std::string_vew` for performance and less memory usage. It is users' responsibility to kepp the original source text along with the generated AST tree.
``` ```
peg::parser parser(R"( peg::parser parser(R"(
... ...