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ast.hpp
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Thu, May 9, 17:34

ast.hpp
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#pragma once
#include <stdint.h>
#include <deque>
#include <stack>
#include <string>
#include "astnode.hpp"
class yy_extra_type {
public:
yy_extra_type() {
first_lineno = 0;
lineno = 1;
terminated = false;
last_token = -1;
insert_token = -1;
heredoc_yyleng = -1;
short_tags = true;
asp_tags = false;
idx_expr = false;
list_size = 0;
pushStack();
}
bool short_tags; // `short_open_tag` in php.ini
bool asp_tags; // `asp_tags` in php.ini
bool idx_expr; // allow code like `foo()['bar']`
size_t first_lineno; // line number before scanning the current token
size_t lineno; // current line number being scanned.
std::string error; // description of error (if terminated true)
bool terminated; // becomes true when the parser terminates with an error
int last_token; // the last token to be returned by the scanner
int insert_token; // insert this token without reading from buffer
size_t heredoc_yyleng; // last length of yytext while scanning
std::string heredoc_label; // heredoc sentinel label
std::stack<int> curly_stack; // tokens appearing before a {
unsigned int list_size;
xhpast::token_list_t token_list;
/* Utility functions for checking proper tag closing */
bool haveTag() {
return !tag_stack.front().empty();
}
const std::string &peekTag() {
return tag_stack.front().front();
}
void pushTag(const std::string &tag) {
tag_stack.front().push_front(tag);
}
void popTag() {
tag_stack.front().pop_front();
}
void pushStack() {
tag_stack.push_front(std::deque<std::string>());
}
void popStack() {
tag_stack.pop_front();
}
protected:
std::deque<std::deque<std::string> > tag_stack;
};
#define YYSTYPE xhpast::Node *
#define YY_HEADER_EXPORT_START_CONDITIONS
#define YY_EXTRA_TYPE yy_extra_type*
#include "parser.yacc.hpp"
#ifndef FLEX_SCANNER
#include "scanner.lex.hpp"
#endif
int xhpparse(void*, YYSTYPE *);
void xhp_new_push_state(int s, struct yyguts_t* yyg);
void xhp_new_pop_state(struct yyguts_t* yyg);
void xhp_set_state(int s, struct yyguts_t* yyg);

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