parser.hpp
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	/**
	* Copyright (c) 2008-2009 Facebook
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*
	* See accompanying file LICENSE.txt.
	*
	* @author Marcel Laverdet
	*/

	#pragma once
	#include <stdio.h>
	#include <string.h>
	#include <stack>

	//#define DEBUG_FLEX
	//#define DEBUG_BISON

	#define YY_EXTRA_TYPE fbjs_parse_extra*
	#define YY_USER_INIT yylloc->first_line = 1

	#include "node.hpp"

	#ifdef NOT_FBMAKE
	#include "parser.yacc.hpp"
	#else
	// Work around fbmake issue, see parser.ll for explanation.
	#include "libfbjs/parser.yy.h"
	#endif
	struct fbjs_parse_extra {
	char* error;
	int error_line;
	bool terminated;
	std::stack<int> paren_stack;
	std::stack<int> curly_stack;
	std::stack<int> pre_xml_stack;
	int virtual_semicolon_last_state;
	int last_tok;
	bool last_tok_xml;
	int last_paren_tok;
	int last_curly_tok;
	int lineno;
	fbjs::node_parse_enum opts;
	};

	// Why the hell doesn't flex provide a header file?
	// edit: actually I think it does I just can't find it on this damn system.
	int yylex(YYSTYPE* param, YYLTYPE* yylloc, void* scanner);
	int yylex_init_extra(YY_EXTRA_TYPE user_defined, void** scanner);
	int yylex_destroy(void* scanner);
	YY_EXTRA_TYPE yyget_extra(void* scanner);
	YYLTYPE* yyget_lloc(void* yyscanner);
	void yyset_extra(YY_EXTRA_TYPE arbitrary_data, void* scanner);
	void yyset_debug(int bdebug, void* yyscanner);
	void yyrestart(FILE* input_file, void* yyscanner);
	int yyparse(void* yyscanner, fbjs::Node* root);
	const char* yytokname(int tok);
	#ifndef FLEX_SCANNER
	void* yy_scan_string(const char yy_str, void yyscanner);
	#endif

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