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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@php.net> |
| Zeev Suraski <zeev@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_SCANNER_H
#define ZEND_SCANNER_H
typedef struct _zend_lex_state {
unsigned int yy_leng;
unsigned char *yy_start;
unsigned char *yy_text;
unsigned char *yy_cursor;
unsigned char *yy_marker;
unsigned char *yy_limit;
int yy_state;
zend_stack state_stack;
zend_ptr_stack heredoc_label_stack;
zend_stack nest_location_stack; /* for syntax error reporting */
zend_file_handle *in;
uint32_t lineno;
zend_string *filename;
/* original (unfiltered) script */
unsigned char *script_org;
size_t script_org_size;
/* filtered script */
unsigned char *script_filtered;
size_t script_filtered_size;
/* input/output filters */
zend_encoding_filter input_filter;
zend_encoding_filter output_filter;
const zend_encoding *script_encoding;
/* hooks */
void (*on_event)(
zend_php_scanner_event event, int token, int line,
const char *text, size_t length, void *context);
void *on_event_context;
zend_ast *ast;
zend_arena *ast_arena;
} zend_lex_state;
typedef struct _zend_heredoc_label {
char *label;
int length;
int indentation;
bool indentation_uses_spaces;
} zend_heredoc_label;
/* Track locations of unclosed {, [, (, etc. for better syntax error reporting */
typedef struct _zend_nest_location {
char text;
int lineno;
} zend_nest_location;
BEGIN_EXTERN_C()
ZEND_API void zend_save_lexical_state(zend_lex_state *lex_state);
ZEND_API void zend_restore_lexical_state(zend_lex_state *lex_state);
ZEND_API void zend_prepare_string_for_scanning(zval *str, zend_string *filename);
ZEND_API void zend_multibyte_yyinput_again(zend_encoding_filter old_input_filter, const zend_encoding *old_encoding);
ZEND_API zend_result zend_multibyte_set_filter(const zend_encoding *onetime_encoding);
ZEND_API zend_result zend_lex_tstring(zval *zv, unsigned char *ident);
END_EXTERN_C()
#endif
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