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php-src/Zend/zend_language_scanner.l
Felipe Pena 45ef3c759e Merge branch 'PHP-5.4' 
* PHP-5.4:
  - Fixed Windows build
2012-04-30 15:56:15 -03:00

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2012 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: Marcus Boerger <helly@php.net> |
| Nuno Lopes <nlopess@php.net> |
| Scott MacVicar <scottmac@php.net> |
| Flex version authors: |
| Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#if 0
# define YYDEBUG(s, c) printf("state: %d char: %c\n", s, c)
#else
# define YYDEBUG(s, c)
#endif
#include "zend_language_scanner_defs.h"
#include <errno.h>
#include "zend.h"
#ifdef PHP_WIN32
# include <Winuser.h>
#endif
#include "zend_alloc.h"
#include <zend_language_parser.h>
#include "zend_compile.h"
#include "zend_language_scanner.h"
#include "zend_highlight.h"
#include "zend_constants.h"
#include "zend_variables.h"
#include "zend_operators.h"
#include "zend_API.h"
#include "zend_strtod.h"
#include "zend_exceptions.h"
#include "tsrm_virtual_cwd.h"
#include "tsrm_config_common.h"
#define YYCTYPE unsigned char
#define YYFILL(n) { if ((YYCURSOR + n) >= (YYLIMIT + ZEND_MMAP_AHEAD)) { return 0; } }
#define YYCURSOR SCNG(yy_cursor)
#define YYLIMIT SCNG(yy_limit)
#define YYMARKER SCNG(yy_marker)
#define YYGETCONDITION() SCNG(yy_state)
#define YYSETCONDITION(s) SCNG(yy_state) = s
#define STATE(name) yyc##name
/* emulate flex constructs */
#define BEGIN(state) YYSETCONDITION(STATE(state))
#define YYSTATE YYGETCONDITION()
#define yytext ((char*)SCNG(yy_text))
#define yyleng SCNG(yy_leng)
#define yyless(x) do { YYCURSOR = (unsigned char*)yytext + x; \
yyleng = (unsigned int)x; } while(0)
#define yymore() goto yymore_restart
/* perform sanity check. If this message is triggered you should
increase the ZEND_MMAP_AHEAD value in the zend_streams.h file */
/*!max:re2c */
#if ZEND_MMAP_AHEAD < YYMAXFILL
# error ZEND_MMAP_AHEAD should be greater than or equal to YYMAXFILL
#endif
#ifdef HAVE_STDARG_H
# include <stdarg.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
/* Globals Macros */
#define SCNG LANG_SCNG
#ifdef ZTS
ZEND_API ts_rsrc_id language_scanner_globals_id;
#else
ZEND_API zend_php_scanner_globals language_scanner_globals;
#endif
#define HANDLE_NEWLINES(s, l) \
do { \
char *p = (s), *boundary = p+(l); \
\
while (p<boundary) { \
if (*p == '\n' || (*p == '\r' && (*(p+1) != '\n'))) { \
CG(zend_lineno)++; \
} \
p++; \
} \
} while (0)
#define HANDLE_NEWLINE(c) \
{ \
if (c == '\n' || c == '\r') { \
CG(zend_lineno)++; \
} \
}
/* To save initial string length after scanning to first variable, CG(doc_comment_len) can be reused */
#define SET_DOUBLE_QUOTES_SCANNED_LENGTH(len) CG(doc_comment_len) = (len)
#define GET_DOUBLE_QUOTES_SCANNED_LENGTH() CG(doc_comment_len)
#define IS_LABEL_START(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z') || (c) == '_' || (c) >= 0x7F)
#define ZEND_IS_OCT(c) ((c)>='0' && (c)<='7')
#define ZEND_IS_HEX(c) (((c)>='0' && (c)<='9') || ((c)>='a' && (c)<='f') || ((c)>='A' && (c)<='F'))
BEGIN_EXTERN_C()
static size_t encoding_filter_script_to_internal(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length TSRMLS_DC)
{
const zend_encoding *internal_encoding = zend_multibyte_get_internal_encoding(TSRMLS_C);
assert(internal_encoding && zend_multibyte_check_lexer_compatibility(internal_encoding));
return zend_multibyte_encoding_converter(to, to_length, from, from_length, internal_encoding, LANG_SCNG(script_encoding) TSRMLS_CC);
}
static size_t encoding_filter_script_to_intermediate(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length TSRMLS_DC)
{
return zend_multibyte_encoding_converter(to, to_length, from, from_length, zend_multibyte_encoding_utf8, LANG_SCNG(script_encoding) TSRMLS_CC);
}
static size_t encoding_filter_intermediate_to_script(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length TSRMLS_DC)
{
return zend_multibyte_encoding_converter(to, to_length, from, from_length,
LANG_SCNG(script_encoding), zend_multibyte_encoding_utf8 TSRMLS_CC);
}
static size_t encoding_filter_intermediate_to_internal(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length TSRMLS_DC)
{
const zend_encoding *internal_encoding = zend_multibyte_get_internal_encoding(TSRMLS_C);
assert(internal_encoding && zend_multibyte_check_lexer_compatibility(internal_encoding));
return zend_multibyte_encoding_converter(to, to_length, from, from_length,
internal_encoding, zend_multibyte_encoding_utf8 TSRMLS_CC);
}
static void _yy_push_state(int new_state TSRMLS_DC)
{
zend_stack_push(&SCNG(state_stack), (void *) &YYGETCONDITION(), sizeof(int));
YYSETCONDITION(new_state);
}
#define yy_push_state(state_and_tsrm) _yy_push_state(yyc##state_and_tsrm)
static void yy_pop_state(TSRMLS_D)
{
int *stack_state;
zend_stack_top(&SCNG(state_stack), (void **) &stack_state);
YYSETCONDITION(*stack_state);
zend_stack_del_top(&SCNG(state_stack));
}
static void yy_scan_buffer(char *str, unsigned int len TSRMLS_DC)
{
YYCURSOR = (YYCTYPE*)str;
YYLIMIT = YYCURSOR + len;
if (!SCNG(yy_start)) {
SCNG(yy_start) = YYCURSOR;
}
}
void startup_scanner(TSRMLS_D)
{
CG(parse_error) = 0;
CG(heredoc) = NULL;
CG(heredoc_len) = 0;
CG(doc_comment) = NULL;
CG(doc_comment_len) = 0;
zend_stack_init(&SCNG(state_stack));
}
void shutdown_scanner(TSRMLS_D)
{
if (CG(heredoc)) {
efree(CG(heredoc));
CG(heredoc_len)=0;
}
CG(parse_error) = 0;
zend_stack_destroy(&SCNG(state_stack));
RESET_DOC_COMMENT();
}
ZEND_API void zend_save_lexical_state(zend_lex_state *lex_state TSRMLS_DC)
{
lex_state->yy_leng = SCNG(yy_leng);
lex_state->yy_start = SCNG(yy_start);
lex_state->yy_text = SCNG(yy_text);
lex_state->yy_cursor = SCNG(yy_cursor);
lex_state->yy_marker = SCNG(yy_marker);
lex_state->yy_limit = SCNG(yy_limit);
lex_state->state_stack = SCNG(state_stack);
zend_stack_init(&SCNG(state_stack));
lex_state->in = SCNG(yy_in);
lex_state->yy_state = YYSTATE;
lex_state->filename = zend_get_compiled_filename(TSRMLS_C);
lex_state->lineno = CG(zend_lineno);
lex_state->script_org = SCNG(script_org);
lex_state->script_org_size = SCNG(script_org_size);
lex_state->script_filtered = SCNG(script_filtered);
lex_state->script_filtered_size = SCNG(script_filtered_size);
lex_state->input_filter = SCNG(input_filter);
lex_state->output_filter = SCNG(output_filter);
lex_state->script_encoding = SCNG(script_encoding);
}
ZEND_API void zend_restore_lexical_state(zend_lex_state *lex_state TSRMLS_DC)
{
SCNG(yy_leng) = lex_state->yy_leng;
SCNG(yy_start) = lex_state->yy_start;
SCNG(yy_text) = lex_state->yy_text;
SCNG(yy_cursor) = lex_state->yy_cursor;
SCNG(yy_marker) = lex_state->yy_marker;
SCNG(yy_limit) = lex_state->yy_limit;
zend_stack_destroy(&SCNG(state_stack));
SCNG(state_stack) = lex_state->state_stack;
SCNG(yy_in) = lex_state->in;
YYSETCONDITION(lex_state->yy_state);
CG(zend_lineno) = lex_state->lineno;
zend_restore_compiled_filename(lex_state->filename TSRMLS_CC);
if (SCNG(script_filtered)) {
efree(SCNG(script_filtered));
SCNG(script_filtered) = NULL;
}
SCNG(script_org) = lex_state->script_org;
SCNG(script_org_size) = lex_state->script_org_size;
SCNG(script_filtered) = lex_state->script_filtered;
SCNG(script_filtered_size) = lex_state->script_filtered_size;
SCNG(input_filter) = lex_state->input_filter;
SCNG(output_filter) = lex_state->output_filter;
SCNG(script_encoding) = lex_state->script_encoding;
if (CG(heredoc)) {
efree(CG(heredoc));
CG(heredoc) = NULL;
CG(heredoc_len) = 0;
}
}
ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC)
{
zend_llist_del_element(&CG(open_files), file_handle, (int (*)(void *, void *)) zend_compare_file_handles);
/* zend_file_handle_dtor() operates on the copy, so we have to NULLify the original here */
file_handle->opened_path = NULL;
if (file_handle->free_filename) {
file_handle->filename = NULL;
}
}
#define BOM_UTF32_BE "\x00\x00\xfe\xff"
#define BOM_UTF32_LE "\xff\xfe\x00\x00"
#define BOM_UTF16_BE "\xfe\xff"
#define BOM_UTF16_LE "\xff\xfe"
#define BOM_UTF8 "\xef\xbb\xbf"
static const zend_encoding *zend_multibyte_detect_utf_encoding(const unsigned char *script, size_t script_size TSRMLS_DC)
{
const unsigned char *p;
int wchar_size = 2;
int le = 0;
/* utf-16 or utf-32? */
p = script;
while ((p-script) < script_size) {
p = memchr(p, 0, script_size-(p-script)-2);
if (!p) {
break;
}
if (*(p+1) == '\0' && *(p+2) == '\0') {
wchar_size = 4;
break;
}
/* searching for UTF-32 specific byte orders, so this will do */
p += 4;
}
/* BE or LE? */
p = script;
while ((p-script) < script_size) {
if (*p == '\0' && *(p+wchar_size-1) != '\0') {
/* BE */
le = 0;
break;
} else if (*p != '\0' && *(p+wchar_size-1) == '\0') {
/* LE* */
le = 1;
break;
}
p += wchar_size;
}
if (wchar_size == 2) {
return le ? zend_multibyte_encoding_utf16le : zend_multibyte_encoding_utf16be;
} else {
return le ? zend_multibyte_encoding_utf32le : zend_multibyte_encoding_utf32be;
}
return NULL;
}
static const zend_encoding* zend_multibyte_detect_unicode(TSRMLS_D)
{
const zend_encoding *script_encoding = NULL;
int bom_size;
unsigned char *pos1, *pos2;
if (LANG_SCNG(script_org_size) < sizeof(BOM_UTF32_LE)-1) {
return NULL;
}
/* check out BOM */
if (!memcmp(LANG_SCNG(script_org), BOM_UTF32_BE, sizeof(BOM_UTF32_BE)-1)) {
script_encoding = zend_multibyte_encoding_utf32be;
bom_size = sizeof(BOM_UTF32_BE)-1;
} else if (!memcmp(LANG_SCNG(script_org), BOM_UTF32_LE, sizeof(BOM_UTF32_LE)-1)) {
script_encoding = zend_multibyte_encoding_utf32le;
bom_size = sizeof(BOM_UTF32_LE)-1;
} else if (!memcmp(LANG_SCNG(script_org), BOM_UTF16_BE, sizeof(BOM_UTF16_BE)-1)) {
script_encoding = zend_multibyte_encoding_utf16be;
bom_size = sizeof(BOM_UTF16_BE)-1;
} else if (!memcmp(LANG_SCNG(script_org), BOM_UTF16_LE, sizeof(BOM_UTF16_LE)-1)) {
script_encoding = zend_multibyte_encoding_utf16le;
bom_size = sizeof(BOM_UTF16_LE)-1;
} else if (!memcmp(LANG_SCNG(script_org), BOM_UTF8, sizeof(BOM_UTF8)-1)) {
script_encoding = zend_multibyte_encoding_utf8;
bom_size = sizeof(BOM_UTF8)-1;
}
if (script_encoding) {
/* remove BOM */
LANG_SCNG(script_org) += bom_size;
LANG_SCNG(script_org_size) -= bom_size;
return script_encoding;
}
/* script contains NULL bytes -> auto-detection */
if ((pos1 = memchr(LANG_SCNG(script_org), 0, LANG_SCNG(script_org_size)))) {
/* check if the NULL byte is after the __HALT_COMPILER(); */
pos2 = LANG_SCNG(script_org);
while (pos1 - pos2 >= sizeof("__HALT_COMPILER();")-1) {
pos2 = memchr(pos2, '_', pos1 - pos2);
if (!pos2) break;
pos2++;
if (strncasecmp((char*)pos2, "_HALT_COMPILER", sizeof("_HALT_COMPILER")-1) == 0) {
pos2 += sizeof("_HALT_COMPILER")-1;
while (*pos2 == ' ' ||
*pos2 == '\t' ||
*pos2 == '\r' ||
*pos2 == '\n') {
pos2++;
}
if (*pos2 == '(') {
pos2++;
while (*pos2 == ' ' ||
*pos2 == '\t' ||
*pos2 == '\r' ||
*pos2 == '\n') {
pos2++;
}
if (*pos2 == ')') {
pos2++;
while (*pos2 == ' ' ||
*pos2 == '\t' ||
*pos2 == '\r' ||
*pos2 == '\n') {
pos2++;
}
if (*pos2 == ';') {
return NULL;
}
}
}
}
}
/* make best effort if BOM is missing */
return zend_multibyte_detect_utf_encoding(LANG_SCNG(script_org), LANG_SCNG(script_org_size) TSRMLS_CC);
}
return NULL;
}
static const zend_encoding* zend_multibyte_find_script_encoding(TSRMLS_D)
{
const zend_encoding *script_encoding;
if (CG(detect_unicode)) {
/* check out bom(byte order mark) and see if containing wchars */
script_encoding = zend_multibyte_detect_unicode(TSRMLS_C);
if (script_encoding != NULL) {
/* bom or wchar detection is prior to 'script_encoding' option */
return script_encoding;
}
}
/* if no script_encoding specified, just leave alone */
if (!CG(script_encoding_list) || !CG(script_encoding_list_size)) {
return NULL;
}
/* if multiple encodings specified, detect automagically */
if (CG(script_encoding_list_size) > 1) {
return zend_multibyte_encoding_detector(LANG_SCNG(script_org), LANG_SCNG(script_org_size), CG(script_encoding_list), CG(script_encoding_list_size) TSRMLS_CC);
}
return CG(script_encoding_list)[0];
}
ZEND_API int zend_multibyte_set_filter(const zend_encoding *onetime_encoding TSRMLS_DC)
{
const zend_encoding *internal_encoding = zend_multibyte_get_internal_encoding(TSRMLS_C);
const zend_encoding *script_encoding = onetime_encoding ? onetime_encoding: zend_multibyte_find_script_encoding(TSRMLS_C);
if (!script_encoding) {
return FAILURE;
}
/* judge input/output filter */
LANG_SCNG(script_encoding) = script_encoding;
LANG_SCNG(input_filter) = NULL;
LANG_SCNG(output_filter) = NULL;
if (!internal_encoding || LANG_SCNG(script_encoding) == internal_encoding) {
if (!zend_multibyte_check_lexer_compatibility(LANG_SCNG(script_encoding))) {
/* and if not, work around w/ script_encoding -> utf-8 -> script_encoding conversion */
LANG_SCNG(input_filter) = encoding_filter_script_to_intermediate;
LANG_SCNG(output_filter) = encoding_filter_intermediate_to_script;
} else {
LANG_SCNG(input_filter) = NULL;
LANG_SCNG(output_filter) = NULL;
}
return SUCCESS;
}
if (zend_multibyte_check_lexer_compatibility(internal_encoding)) {
LANG_SCNG(input_filter) = encoding_filter_script_to_internal;
LANG_SCNG(output_filter) = NULL;
} else if (zend_multibyte_check_lexer_compatibility(LANG_SCNG(script_encoding))) {
LANG_SCNG(input_filter) = NULL;
LANG_SCNG(output_filter) = encoding_filter_script_to_internal;
} else {
/* both script and internal encodings are incompatible w/ flex */
LANG_SCNG(input_filter) = encoding_filter_script_to_intermediate;
LANG_SCNG(output_filter) = encoding_filter_intermediate_to_internal;
}
return 0;
}
ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC)
{
const char *file_path = NULL;
char *buf;
size_t size, offset = 0;
/* The shebang line was read, get the current position to obtain the buffer start */
if (CG(start_lineno) == 2 && file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) {
if ((offset = ftell(file_handle->handle.fp)) == -1) {
offset = 0;
}
}
if (zend_stream_fixup(file_handle, &buf, &size TSRMLS_CC) == FAILURE) {
return FAILURE;
}
zend_llist_add_element(&CG(open_files), file_handle);
if (file_handle->handle.stream.handle >= (void*)file_handle && file_handle->handle.stream.handle <= (void*)(file_handle+1)) {
zend_file_handle *fh = (zend_file_handle*)zend_llist_get_last(&CG(open_files));
size_t diff = (char*)file_handle->handle.stream.handle - (char*)file_handle;
fh->handle.stream.handle = (void*)(((char*)fh) + diff);
file_handle->handle.stream.handle = fh->handle.stream.handle;
}
/* Reset the scanner for scanning the new file */
SCNG(yy_in) = file_handle;
SCNG(yy_start) = NULL;
if (size != -1) {
if (CG(multibyte)) {
SCNG(script_org) = (unsigned char*)buf;
SCNG(script_org_size) = size;
SCNG(script_filtered) = NULL;
zend_multibyte_set_filter(NULL TSRMLS_CC);
if (SCNG(input_filter)) {
if ((size_t)-1 == SCNG(input_filter)(&SCNG(script_filtered), &SCNG(script_filtered_size), SCNG(script_org), SCNG(script_org_size) TSRMLS_CC)) {
zend_error_noreturn(E_COMPILE_ERROR, "Could not convert the script from the detected "
"encoding \"%s\" to a compatible encoding", zend_multibyte_get_encoding_name(LANG_SCNG(script_encoding)));
}
buf = (char*)SCNG(script_filtered);
size = SCNG(script_filtered_size);
}
}
SCNG(yy_start) = (unsigned char *)buf - offset;
yy_scan_buffer(buf, size TSRMLS_CC);
} else {
zend_error_noreturn(E_COMPILE_ERROR, "zend_stream_mmap() failed");
}
BEGIN(INITIAL);
if (file_handle->opened_path) {
file_path = file_handle->opened_path;
} else {
file_path = file_handle->filename;
}
zend_set_compiled_filename(file_path TSRMLS_CC);
if (CG(start_lineno)) {
CG(zend_lineno) = CG(start_lineno);
CG(start_lineno) = 0;
} else {
CG(zend_lineno) = 1;
}
CG(increment_lineno) = 0;
return SUCCESS;
}
END_EXTERN_C()
ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC)
{
zend_lex_state original_lex_state;
zend_op_array *op_array = (zend_op_array *) emalloc(sizeof(zend_op_array));
zend_op_array *original_active_op_array = CG(active_op_array);
zend_op_array *retval=NULL;
int compiler_result;
zend_bool compilation_successful=0;
znode retval_znode;
zend_bool original_in_compilation = CG(in_compilation);
retval_znode.op_type = IS_CONST;
retval_znode.u.constant.type = IS_LONG;
retval_znode.u.constant.value.lval = 1;
Z_UNSET_ISREF(retval_znode.u.constant);
Z_SET_REFCOUNT(retval_znode.u.constant, 1);
zend_save_lexical_state(&original_lex_state TSRMLS_CC);
retval = op_array; /* success oriented */
if (open_file_for_scanning(file_handle TSRMLS_CC)==FAILURE) {
if (type==ZEND_REQUIRE) {
zend_message_dispatcher(ZMSG_FAILED_REQUIRE_FOPEN, file_handle->filename TSRMLS_CC);
zend_bailout();
} else {
zend_message_dispatcher(ZMSG_FAILED_INCLUDE_FOPEN, file_handle->filename TSRMLS_CC);
}
compilation_successful=0;
} else {
init_op_array(op_array, ZEND_USER_FUNCTION, INITIAL_OP_ARRAY_SIZE TSRMLS_CC);
CG(in_compilation) = 1;
CG(active_op_array) = op_array;
zend_init_compiler_context(TSRMLS_C);
compiler_result = zendparse(TSRMLS_C);
zend_do_return(&retval_znode, 0 TSRMLS_CC);
CG(in_compilation) = original_in_compilation;
if (compiler_result==1) { /* parser error */
zend_bailout();
}
compilation_successful=1;
}
if (retval) {
CG(active_op_array) = original_active_op_array;
if (compilation_successful) {
pass_two(op_array TSRMLS_CC);
zend_release_labels(TSRMLS_C);
} else {
efree(op_array);
retval = NULL;
}
}
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
return retval;
}
zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC)
{
zend_file_handle file_handle;
zval tmp;
zend_op_array *retval;
char *opened_path = NULL;
if (filename->type != IS_STRING) {
tmp = *filename;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
filename = &tmp;
}
file_handle.filename = filename->value.str.val;
file_handle.free_filename = 0;
file_handle.type = ZEND_HANDLE_FILENAME;
file_handle.opened_path = NULL;
file_handle.handle.fp = NULL;
retval = zend_compile_file(&file_handle, type TSRMLS_CC);
if (retval && file_handle.handle.stream.handle) {
int dummy = 1;
if (!file_handle.opened_path) {
file_handle.opened_path = opened_path = estrndup(filename->value.str.val, filename->value.str.len);
}
zend_hash_add(&EG(included_files), file_handle.opened_path, strlen(file_handle.opened_path)+1, (void *)&dummy, sizeof(int), NULL);
if (opened_path) {
efree(opened_path);
}
}
zend_destroy_file_handle(&file_handle TSRMLS_CC);
if (filename==&tmp) {
zval_dtor(&tmp);
}
return retval;
}
ZEND_API int zend_prepare_string_for_scanning(zval *str, char *filename TSRMLS_DC)
{
char *buf;
size_t size;
/* enforce two trailing NULLs for flex... */
if (IS_INTERNED(str->value.str.val)) {
char *tmp = safe_emalloc(1, str->value.str.len, ZEND_MMAP_AHEAD);
memcpy(tmp, str->value.str.val, str->value.str.len + ZEND_MMAP_AHEAD);
str->value.str.val = tmp;
} else {
str->value.str.val = safe_erealloc(str->value.str.val, 1, str->value.str.len, ZEND_MMAP_AHEAD);
}
memset(str->value.str.val + str->value.str.len, 0, ZEND_MMAP_AHEAD);
SCNG(yy_in) = NULL;
SCNG(yy_start) = NULL;
buf = str->value.str.val;
size = str->value.str.len;
if (CG(multibyte)) {
SCNG(script_org) = (unsigned char*)buf;
SCNG(script_org_size) = size;
SCNG(script_filtered) = NULL;
zend_multibyte_set_filter(zend_multibyte_get_internal_encoding(TSRMLS_C) TSRMLS_CC);
if (SCNG(input_filter)) {
if ((size_t)-1 == SCNG(input_filter)(&SCNG(script_filtered), &SCNG(script_filtered_size), SCNG(script_org), SCNG(script_org_size) TSRMLS_CC)) {
zend_error_noreturn(E_COMPILE_ERROR, "Could not convert the script from the detected "
"encoding \"%s\" to a compatible encoding", zend_multibyte_get_encoding_name(LANG_SCNG(script_encoding)));
}
buf = (char*)SCNG(script_filtered);
size = SCNG(script_filtered_size);
}
}
yy_scan_buffer(buf, size TSRMLS_CC);
zend_set_compiled_filename(filename TSRMLS_CC);
CG(zend_lineno) = 1;
CG(increment_lineno) = 0;
return SUCCESS;
}
ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D)
{
size_t offset = SCNG(yy_cursor) - SCNG(yy_start);
if (SCNG(input_filter)) {
size_t original_offset = offset, length = 0;
do {
unsigned char *p = NULL;
if ((size_t)-1 == SCNG(input_filter)(&p, &length, SCNG(script_org), offset TSRMLS_CC)) {
return (size_t)-1;
}
efree(p);
if (length > original_offset) {
offset--;
} else if (length < original_offset) {
offset++;
}
} while (original_offset != length);
}
return offset;
}
zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC)
{
zend_lex_state original_lex_state;
zend_op_array *op_array = (zend_op_array *) emalloc(sizeof(zend_op_array));
zend_op_array *original_active_op_array = CG(active_op_array);
zend_op_array *retval;
zval tmp;
int compiler_result;
zend_bool original_in_compilation = CG(in_compilation);
if (source_string->value.str.len==0) {
efree(op_array);
return NULL;
}
CG(in_compilation) = 1;
tmp = *source_string;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
source_string = &tmp;
zend_save_lexical_state(&original_lex_state TSRMLS_CC);
if (zend_prepare_string_for_scanning(source_string, filename TSRMLS_CC)==FAILURE) {
efree(op_array);
retval = NULL;
} else {
zend_bool orig_interactive = CG(interactive);
CG(interactive) = 0;
init_op_array(op_array, ZEND_EVAL_CODE, INITIAL_OP_ARRAY_SIZE TSRMLS_CC);
CG(interactive) = orig_interactive;
CG(active_op_array) = op_array;
zend_init_compiler_context(TSRMLS_C);
BEGIN(ST_IN_SCRIPTING);
compiler_result = zendparse(TSRMLS_C);
if (SCNG(script_filtered)) {
efree(SCNG(script_filtered));
SCNG(script_filtered) = NULL;
}
if (compiler_result==1) {
CG(active_op_array) = original_active_op_array;
CG(unclean_shutdown)=1;
destroy_op_array(op_array TSRMLS_CC);
efree(op_array);
retval = NULL;
} else {
zend_do_return(NULL, 0 TSRMLS_CC);
CG(active_op_array) = original_active_op_array;
pass_two(op_array TSRMLS_CC);
zend_release_labels(TSRMLS_C);
retval = op_array;
}
}
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
zval_dtor(&tmp);
CG(in_compilation) = original_in_compilation;
return retval;
}
BEGIN_EXTERN_C()
int highlight_file(char *filename, zend_syntax_highlighter_ini *syntax_highlighter_ini TSRMLS_DC)
{
zend_lex_state original_lex_state;
zend_file_handle file_handle;
file_handle.type = ZEND_HANDLE_FILENAME;
file_handle.filename = filename;
file_handle.free_filename = 0;
file_handle.opened_path = NULL;
zend_save_lexical_state(&original_lex_state TSRMLS_CC);
if (open_file_for_scanning(&file_handle TSRMLS_CC)==FAILURE) {
zend_message_dispatcher(ZMSG_FAILED_HIGHLIGHT_FOPEN, filename TSRMLS_CC);
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
return FAILURE;
}
zend_highlight(syntax_highlighter_ini TSRMLS_CC);
if (SCNG(script_filtered)) {
efree(SCNG(script_filtered));
SCNG(script_filtered) = NULL;
}
zend_destroy_file_handle(&file_handle TSRMLS_CC);
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
return SUCCESS;
}
int highlight_string(zval *str, zend_syntax_highlighter_ini *syntax_highlighter_ini, char *str_name TSRMLS_DC)
{
zend_lex_state original_lex_state;
zval tmp = *str;
str = &tmp;
zval_copy_ctor(str);
zend_save_lexical_state(&original_lex_state TSRMLS_CC);
if (zend_prepare_string_for_scanning(str, str_name TSRMLS_CC)==FAILURE) {
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
return FAILURE;
}
BEGIN(INITIAL);
zend_highlight(syntax_highlighter_ini TSRMLS_CC);
if (SCNG(script_filtered)) {
efree(SCNG(script_filtered));
SCNG(script_filtered) = NULL;
}
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
zval_dtor(str);
return SUCCESS;
}
ZEND_API void zend_multibyte_yyinput_again(zend_encoding_filter old_input_filter, const zend_encoding *old_encoding TSRMLS_DC)
{
size_t length;
unsigned char *new_yy_start;
/* convert and set */
if (!SCNG(input_filter)) {
if (SCNG(script_filtered)) {
efree(SCNG(script_filtered));
SCNG(script_filtered) = NULL;
}
SCNG(script_filtered_size) = 0;
length = SCNG(script_org_size);
new_yy_start = SCNG(script_org);
} else {
if ((size_t)-1 == SCNG(input_filter)(&new_yy_start, &length, SCNG(script_org), SCNG(script_org_size) TSRMLS_CC)) {
zend_error_noreturn(E_COMPILE_ERROR, "Could not convert the script from the detected "
"encoding \"%s\" to a compatible encoding", zend_multibyte_get_encoding_name(LANG_SCNG(script_encoding)));
}
SCNG(script_filtered) = new_yy_start;
SCNG(script_filtered_size) = length;
}
SCNG(yy_cursor) = new_yy_start + (SCNG(yy_cursor) - SCNG(yy_start));
SCNG(yy_marker) = new_yy_start + (SCNG(yy_marker) - SCNG(yy_start));
SCNG(yy_text) = new_yy_start + (SCNG(yy_text) - SCNG(yy_start));
SCNG(yy_limit) = new_yy_start + (SCNG(yy_limit) - SCNG(yy_start));
SCNG(yy_start) = new_yy_start;
}
# define zend_copy_value(zendlval, yytext, yyleng) \
if (SCNG(output_filter)) { \
size_t sz = 0; \
SCNG(output_filter)((unsigned char **)&(zendlval->value.str.val), &sz, (unsigned char *)yytext, (size_t)yyleng TSRMLS_CC); \
zendlval->value.str.len = sz; \
} else { \
zendlval->value.str.val = (char *) estrndup(yytext, yyleng); \
zendlval->value.str.len = yyleng; \
}
static void zend_scan_escape_string(zval *zendlval, char *str, int len, char quote_type TSRMLS_DC)
{
register char *s, *t;
char *end;
ZVAL_STRINGL(zendlval, str, len, 1);
/* convert escape sequences */
s = t = zendlval->value.str.val;
end = s+zendlval->value.str.len;
while (s<end) {
if (*s=='\\') {
s++;
if (s >= end) {
*t++ = '\\';
break;
}
switch(*s) {
case 'n':
*t++ = '\n';
zendlval->value.str.len--;
break;
case 'r':
*t++ = '\r';
zendlval->value.str.len--;
break;
case 't':
*t++ = '\t';
zendlval->value.str.len--;
break;
case 'f':
*t++ = '\f';
zendlval->value.str.len--;
break;
case 'v':
*t++ = '\v';
zendlval->value.str.len--;
break;
case 'e':
#ifdef PHP_WIN32
*t++ = VK_ESCAPE;
#else
*t++ = '\e';
#endif
zendlval->value.str.len--;
break;
case '"':
case '`':
if (*s != quote_type) {
*t++ = '\\';
*t++ = *s;
break;
}
case '\\':
case '$':
*t++ = *s;
zendlval->value.str.len--;
break;
case 'x':
case 'X':
if (ZEND_IS_HEX(*(s+1))) {
char hex_buf[3] = { 0, 0, 0 };
zendlval->value.str.len--; /* for the 'x' */
hex_buf[0] = *(++s);
zendlval->value.str.len--;
if (ZEND_IS_HEX(*(s+1))) {
hex_buf[1] = *(++s);
zendlval->value.str.len--;
}
*t++ = (char) strtol(hex_buf, NULL, 16);
} else {
*t++ = '\\';
*t++ = *s;
}
break;
default:
/* check for an octal */
if (ZEND_IS_OCT(*s)) {
char octal_buf[4] = { 0, 0, 0, 0 };
octal_buf[0] = *s;
zendlval->value.str.len--;
if (ZEND_IS_OCT(*(s+1))) {
octal_buf[1] = *(++s);
zendlval->value.str.len--;
if (ZEND_IS_OCT(*(s+1))) {
octal_buf[2] = *(++s);
zendlval->value.str.len--;
}
}
*t++ = (char) strtol(octal_buf, NULL, 8);
} else {
*t++ = '\\';
*t++ = *s;
}
break;
}
} else {
*t++ = *s;
}
if (*s == '\n' || (*s == '\r' && (*(s+1) != '\n'))) {
CG(zend_lineno)++;
}
s++;
}
*t = 0;
if (SCNG(output_filter)) {
size_t sz = 0;
s = zendlval->value.str.val;
SCNG(output_filter)((unsigned char **)&(zendlval->value.str.val), &sz, (unsigned char *)s, (size_t)zendlval->value.str.len TSRMLS_CC);
zendlval->value.str.len = sz;
efree(s);
}
}
int lex_scan(zval *zendlval TSRMLS_DC)
{
restart:
SCNG(yy_text) = YYCURSOR;
yymore_restart:
/*!re2c
re2c:yyfill:check = 0;
LNUM [0-9]+
DNUM ([0-9]*"."[0-9]+)|([0-9]+"."[0-9]*)
EXPONENT_DNUM (({LNUM}|{DNUM})[eE][+-]?{LNUM})
HNUM "0x"[0-9a-fA-F]+
BNUM "0b"[01]+
LABEL [a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*
WHITESPACE [ \n\r\t]+
TABS_AND_SPACES [ \t]*
TOKENS [;:,.\[\]()|^&+-/*=%!~$<>?@]
ANY_CHAR [^]
NEWLINE ("\r"|"\n"|"\r\n")
/* compute yyleng before each rule */
<!*> := yyleng = YYCURSOR - SCNG(yy_text);
<ST_IN_SCRIPTING>"exit" {
return T_EXIT;
}
<ST_IN_SCRIPTING>"die" {
return T_EXIT;
}
<ST_IN_SCRIPTING>"function" {
return T_FUNCTION;
}
<ST_IN_SCRIPTING>"const" {
return T_CONST;
}
<ST_IN_SCRIPTING>"return" {
return T_RETURN;
}
<ST_IN_SCRIPTING>"try" {
return T_TRY;
}
<ST_IN_SCRIPTING>"catch" {
return T_CATCH;
}
<ST_IN_SCRIPTING>"throw" {
return T_THROW;
}
<ST_IN_SCRIPTING>"if" {
return T_IF;
}
<ST_IN_SCRIPTING>"elseif" {
return T_ELSEIF;
}
<ST_IN_SCRIPTING>"endif" {
return T_ENDIF;
}
<ST_IN_SCRIPTING>"else" {
return T_ELSE;
}
<ST_IN_SCRIPTING>"while" {
return T_WHILE;
}
<ST_IN_SCRIPTING>"endwhile" {
return T_ENDWHILE;
}
<ST_IN_SCRIPTING>"do" {
return T_DO;
}
<ST_IN_SCRIPTING>"for" {
return T_FOR;
}
<ST_IN_SCRIPTING>"endfor" {
return T_ENDFOR;
}
<ST_IN_SCRIPTING>"foreach" {
return T_FOREACH;
}
<ST_IN_SCRIPTING>"endforeach" {
return T_ENDFOREACH;
}
<ST_IN_SCRIPTING>"declare" {
return T_DECLARE;
}
<ST_IN_SCRIPTING>"enddeclare" {
return T_ENDDECLARE;
}
<ST_IN_SCRIPTING>"instanceof" {
return T_INSTANCEOF;
}
<ST_IN_SCRIPTING>"as" {
return T_AS;
}
<ST_IN_SCRIPTING>"switch" {
return T_SWITCH;
}
<ST_IN_SCRIPTING>"endswitch" {
return T_ENDSWITCH;
}
<ST_IN_SCRIPTING>"case" {
return T_CASE;
}
<ST_IN_SCRIPTING>"default" {
return T_DEFAULT;
}
<ST_IN_SCRIPTING>"break" {
return T_BREAK;
}
<ST_IN_SCRIPTING>"continue" {
return T_CONTINUE;
}
<ST_IN_SCRIPTING>"goto" {
return T_GOTO;
}
<ST_IN_SCRIPTING>"echo" {
return T_ECHO;
}
<ST_IN_SCRIPTING>"print" {
return T_PRINT;
}
<ST_IN_SCRIPTING>"class" {
return T_CLASS;
}
<ST_IN_SCRIPTING>"interface" {
return T_INTERFACE;
}
<ST_IN_SCRIPTING>"trait" {
return T_TRAIT;
}
<ST_IN_SCRIPTING>"extends" {
return T_EXTENDS;
}
<ST_IN_SCRIPTING>"implements" {
return T_IMPLEMENTS;
}
<ST_IN_SCRIPTING>"->" {
yy_push_state(ST_LOOKING_FOR_PROPERTY TSRMLS_CC);
return T_OBJECT_OPERATOR;
}
<ST_IN_SCRIPTING,ST_LOOKING_FOR_PROPERTY>{WHITESPACE}+ {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
HANDLE_NEWLINES(yytext, yyleng);
return T_WHITESPACE;
}
<ST_LOOKING_FOR_PROPERTY>"->" {
return T_OBJECT_OPERATOR;
}
<ST_LOOKING_FOR_PROPERTY>{LABEL} {
yy_pop_state(TSRMLS_C);
zend_copy_value(zendlval, yytext, yyleng);
zendlval->type = IS_STRING;
return T_STRING;
}
<ST_LOOKING_FOR_PROPERTY>{ANY_CHAR} {
yyless(0);
yy_pop_state(TSRMLS_C);
goto restart;
}
<ST_IN_SCRIPTING>"::" {
return T_PAAMAYIM_NEKUDOTAYIM;
}
<ST_IN_SCRIPTING>"\\" {
return T_NS_SEPARATOR;
}
<ST_IN_SCRIPTING>"new" {
return T_NEW;
}
<ST_IN_SCRIPTING>"clone" {
return T_CLONE;
}
<ST_IN_SCRIPTING>"var" {
return T_VAR;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}("int"|"integer"){TABS_AND_SPACES}")" {
return T_INT_CAST;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}("real"|"double"|"float"){TABS_AND_SPACES}")" {
return T_DOUBLE_CAST;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}("string"|"binary"){TABS_AND_SPACES}")" {
return T_STRING_CAST;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}"array"{TABS_AND_SPACES}")" {
return T_ARRAY_CAST;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}"object"{TABS_AND_SPACES}")" {
return T_OBJECT_CAST;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}("bool"|"boolean"){TABS_AND_SPACES}")" {
return T_BOOL_CAST;
}
<ST_IN_SCRIPTING>"("{TABS_AND_SPACES}("unset"){TABS_AND_SPACES}")" {
return T_UNSET_CAST;
}
<ST_IN_SCRIPTING>"eval" {
return T_EVAL;
}
<ST_IN_SCRIPTING>"include" {
return T_INCLUDE;
}
<ST_IN_SCRIPTING>"include_once" {
return T_INCLUDE_ONCE;
}
<ST_IN_SCRIPTING>"require" {
return T_REQUIRE;
}
<ST_IN_SCRIPTING>"require_once" {
return T_REQUIRE_ONCE;
}
<ST_IN_SCRIPTING>"namespace" {
return T_NAMESPACE;
}
<ST_IN_SCRIPTING>"use" {
return T_USE;
}
<ST_IN_SCRIPTING>"insteadof" {
return T_INSTEADOF;
}
<ST_IN_SCRIPTING>"global" {
return T_GLOBAL;
}
<ST_IN_SCRIPTING>"isset" {
return T_ISSET;
}
<ST_IN_SCRIPTING>"empty" {
return T_EMPTY;
}
<ST_IN_SCRIPTING>"__halt_compiler" {
return T_HALT_COMPILER;
}
<ST_IN_SCRIPTING>"static" {
return T_STATIC;
}
<ST_IN_SCRIPTING>"abstract" {
return T_ABSTRACT;
}
<ST_IN_SCRIPTING>"final" {
return T_FINAL;
}
<ST_IN_SCRIPTING>"private" {
return T_PRIVATE;
}
<ST_IN_SCRIPTING>"protected" {
return T_PROTECTED;
}
<ST_IN_SCRIPTING>"public" {
return T_PUBLIC;
}
<ST_IN_SCRIPTING>"unset" {
return T_UNSET;
}
<ST_IN_SCRIPTING>"=>" {
return T_DOUBLE_ARROW;
}
<ST_IN_SCRIPTING>"list" {
return T_LIST;
}
<ST_IN_SCRIPTING>"array" {
return T_ARRAY;
}
<ST_IN_SCRIPTING>"callable" {
return T_CALLABLE;
}
<ST_IN_SCRIPTING>"++" {
return T_INC;
}
<ST_IN_SCRIPTING>"--" {
return T_DEC;
}
<ST_IN_SCRIPTING>"===" {
return T_IS_IDENTICAL;
}
<ST_IN_SCRIPTING>"!==" {
return T_IS_NOT_IDENTICAL;
}
<ST_IN_SCRIPTING>"==" {
return T_IS_EQUAL;
}
<ST_IN_SCRIPTING>"!="|"<>" {
return T_IS_NOT_EQUAL;
}
<ST_IN_SCRIPTING>"<=" {
return T_IS_SMALLER_OR_EQUAL;
}
<ST_IN_SCRIPTING>">=" {
return T_IS_GREATER_OR_EQUAL;
}
<ST_IN_SCRIPTING>"+=" {
return T_PLUS_EQUAL;
}
<ST_IN_SCRIPTING>"-=" {
return T_MINUS_EQUAL;
}
<ST_IN_SCRIPTING>"*=" {
return T_MUL_EQUAL;
}
<ST_IN_SCRIPTING>"/=" {
return T_DIV_EQUAL;
}
<ST_IN_SCRIPTING>".=" {
return T_CONCAT_EQUAL;
}
<ST_IN_SCRIPTING>"%=" {
return T_MOD_EQUAL;
}
<ST_IN_SCRIPTING>"<<=" {
return T_SL_EQUAL;
}
<ST_IN_SCRIPTING>">>=" {
return T_SR_EQUAL;
}
<ST_IN_SCRIPTING>"&=" {
return T_AND_EQUAL;
}
<ST_IN_SCRIPTING>"|=" {
return T_OR_EQUAL;
}
<ST_IN_SCRIPTING>"^=" {
return T_XOR_EQUAL;
}
<ST_IN_SCRIPTING>"||" {
return T_BOOLEAN_OR;
}
<ST_IN_SCRIPTING>"&&" {
return T_BOOLEAN_AND;
}
<ST_IN_SCRIPTING>"OR" {
return T_LOGICAL_OR;
}
<ST_IN_SCRIPTING>"AND" {
return T_LOGICAL_AND;
}
<ST_IN_SCRIPTING>"XOR" {
return T_LOGICAL_XOR;
}
<ST_IN_SCRIPTING>"<<" {
return T_SL;
}
<ST_IN_SCRIPTING>">>" {
return T_SR;
}
<ST_IN_SCRIPTING>{TOKENS} {
return yytext[0];
}
<ST_IN_SCRIPTING>"{" {
yy_push_state(ST_IN_SCRIPTING TSRMLS_CC);
return '{';
}
<ST_DOUBLE_QUOTES,ST_BACKQUOTE,ST_HEREDOC>"${" {
yy_push_state(ST_LOOKING_FOR_VARNAME TSRMLS_CC);
return T_DOLLAR_OPEN_CURLY_BRACES;
}
<ST_IN_SCRIPTING>"}" {
RESET_DOC_COMMENT();
if (!zend_stack_is_empty(&SCNG(state_stack))) {
yy_pop_state(TSRMLS_C);
}
return '}';
}
<ST_LOOKING_FOR_VARNAME>{LABEL}[[}] {
yyless(yyleng - 1);
zend_copy_value(zendlval, yytext, yyleng);
zendlval->type = IS_STRING;
yy_pop_state(TSRMLS_C);
yy_push_state(ST_IN_SCRIPTING TSRMLS_CC);
return T_STRING_VARNAME;
}
<ST_LOOKING_FOR_VARNAME>{ANY_CHAR} {
yyless(0);
yy_pop_state(TSRMLS_C);
yy_push_state(ST_IN_SCRIPTING TSRMLS_CC);
goto restart;
}
<ST_IN_SCRIPTING>{BNUM} {
char *bin = yytext + 2; /* Skip "0b" */
int len = yyleng - 2;
/* Skip any leading 0s */
while (*bin == '0') {
++bin;
--len;
}
if (len < SIZEOF_LONG * 8) {
if (len == 0) {
zendlval->value.lval = 0;
} else {
zendlval->value.lval = strtol(bin, NULL, 2);
}
zendlval->type = IS_LONG;
return T_LNUMBER;
} else {
zendlval->value.dval = zend_bin_strtod(bin, NULL);
zendlval->type = IS_DOUBLE;
return T_DNUMBER;
}
}
<ST_IN_SCRIPTING>{LNUM} {
if (yyleng < MAX_LENGTH_OF_LONG - 1) { /* Won't overflow */
zendlval->value.lval = strtol(yytext, NULL, 0);
} else {
errno = 0;
zendlval->value.lval = strtol(yytext, NULL, 0);
if (errno == ERANGE) { /* Overflow */
if (yytext[0] == '0') { /* octal overflow */
zendlval->value.dval = zend_oct_strtod(yytext, NULL);
} else {
zendlval->value.dval = zend_strtod(yytext, NULL);
}
zendlval->type = IS_DOUBLE;
return T_DNUMBER;
}
}
zendlval->type = IS_LONG;
return T_LNUMBER;
}
<ST_IN_SCRIPTING>{HNUM} {
char *hex = yytext + 2; /* Skip "0x" */
int len = yyleng - 2;
/* Skip any leading 0s */
while (*hex == '0') {
hex++;
len--;
}
if (len < SIZEOF_LONG * 2 || (len == SIZEOF_LONG * 2 && *hex <= '7')) {
if (len == 0) {
zendlval->value.lval = 0;
} else {
zendlval->value.lval = strtol(hex, NULL, 16);
}
zendlval->type = IS_LONG;
return T_LNUMBER;
} else {
zendlval->value.dval = zend_hex_strtod(hex, NULL);
zendlval->type = IS_DOUBLE;
return T_DNUMBER;
}
}
<ST_VAR_OFFSET>[0]|([1-9][0-9]*) { /* Offset could be treated as a long */
if (yyleng < MAX_LENGTH_OF_LONG - 1 || (yyleng == MAX_LENGTH_OF_LONG - 1 && strcmp(yytext, long_min_digits) < 0)) {
zendlval->value.lval = strtol(yytext, NULL, 10);
zendlval->type = IS_LONG;
} else {
zendlval->value.str.val = (char *)estrndup(yytext, yyleng);
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
}
return T_NUM_STRING;
}
<ST_VAR_OFFSET>{LNUM}|{HNUM}|{BNUM} { /* Offset must be treated as a string */
zendlval->value.str.val = (char *)estrndup(yytext, yyleng);
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
return T_NUM_STRING;
}
<ST_IN_SCRIPTING>{DNUM}|{EXPONENT_DNUM} {
zendlval->value.dval = zend_strtod(yytext, NULL);
zendlval->type = IS_DOUBLE;
return T_DNUMBER;
}
<ST_IN_SCRIPTING>"__CLASS__" {
const char *class_name = NULL;
if (CG(active_class_entry)
&& (ZEND_ACC_TRAIT ==
(CG(active_class_entry)->ce_flags & ZEND_ACC_TRAIT))) {
/* We create a special __CLASS__ constant that is going to be resolved
at run-time */
zendlval->value.str.len = sizeof("__CLASS__")-1;
zendlval->value.str.val = estrndup("__CLASS__", zendlval->value.str.len);
zendlval->type = IS_CONSTANT;
} else {
if (CG(active_class_entry)) {
class_name = CG(active_class_entry)->name;
}
if (!class_name) {
class_name = "";
}
zendlval->value.str.len = strlen(class_name);
zendlval->value.str.val = estrndup(class_name, zendlval->value.str.len);
zendlval->type = IS_STRING;
}
return T_CLASS_C;
}
<ST_IN_SCRIPTING>"__TRAIT__" {
const char *trait_name = NULL;
if (CG(active_class_entry)
&& (ZEND_ACC_TRAIT ==
(CG(active_class_entry)->ce_flags & ZEND_ACC_TRAIT))) {
trait_name = CG(active_class_entry)->name;
}
if (!trait_name) {
trait_name = "";
}
zendlval->value.str.len = strlen(trait_name);
zendlval->value.str.val = estrndup(trait_name, zendlval->value.str.len);
zendlval->type = IS_STRING;
return T_TRAIT_C;
}
<ST_IN_SCRIPTING>"__FUNCTION__" {
const char *func_name = NULL;
if (CG(active_op_array)) {
func_name = CG(active_op_array)->function_name;
}
if (!func_name) {
func_name = "";
}
zendlval->value.str.len = strlen(func_name);
zendlval->value.str.val = estrndup(func_name, zendlval->value.str.len);
zendlval->type = IS_STRING;
return T_FUNC_C;
}
<ST_IN_SCRIPTING>"__METHOD__" {
const char *class_name = CG(active_class_entry) ? CG(active_class_entry)->name : NULL;
const char *func_name = CG(active_op_array)? CG(active_op_array)->function_name : NULL;
size_t len = 0;
if (class_name) {
len += strlen(class_name) + 2;
}
if (func_name) {
len += strlen(func_name);
}
zendlval->value.str.len = zend_spprintf(&zendlval->value.str.val, 0, "%s%s%s",
class_name ? class_name : "",
class_name && func_name ? "::" : "",
func_name ? func_name : ""
);
zendlval->type = IS_STRING;
return T_METHOD_C;
}
<ST_IN_SCRIPTING>"__LINE__" {
zendlval->value.lval = CG(zend_lineno);
zendlval->type = IS_LONG;
return T_LINE;
}
<ST_IN_SCRIPTING>"__FILE__" {
char *filename = zend_get_compiled_filename(TSRMLS_C);
if (!filename) {
filename = "";
}
zendlval->value.str.len = strlen(filename);
zendlval->value.str.val = estrndup(filename, zendlval->value.str.len);
zendlval->type = IS_STRING;
return T_FILE;
}
<ST_IN_SCRIPTING>"__DIR__" {
char *filename = zend_get_compiled_filename(TSRMLS_C);
const size_t filename_len = strlen(filename);
char *dirname;
if (!filename) {
filename = "";
}
dirname = estrndup(filename, filename_len);
zend_dirname(dirname, filename_len);
if (strcmp(dirname, ".") == 0) {
dirname = erealloc(dirname, MAXPATHLEN);
#if HAVE_GETCWD
VCWD_GETCWD(dirname, MAXPATHLEN);
#elif HAVE_GETWD
VCWD_GETWD(dirname);
#endif
}
zendlval->value.str.len = strlen(dirname);
zendlval->value.str.val = dirname;
zendlval->type = IS_STRING;
return T_DIR;
}
<ST_IN_SCRIPTING>"__NAMESPACE__" {
if (CG(current_namespace)) {
*zendlval = *CG(current_namespace);
zval_copy_ctor(zendlval);
} else {
ZVAL_EMPTY_STRING(zendlval);
}
return T_NS_C;
}
<INITIAL>"<script"{WHITESPACE}+"language"{WHITESPACE}*"="{WHITESPACE}*("php"|"\"php\""|"'php'"){WHITESPACE}*">" {
YYCTYPE *bracket = (YYCTYPE*)zend_memrchr(yytext, '<', yyleng - (sizeof("script language=php>") - 1));
if (bracket != SCNG(yy_text)) {
/* Handle previously scanned HTML, as possible <script> tags found are assumed to not be PHP's */
YYCURSOR = bracket;
goto inline_html;
}
HANDLE_NEWLINES(yytext, yyleng);
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
BEGIN(ST_IN_SCRIPTING);
return T_OPEN_TAG;
}
<INITIAL>"<%=" {
if (CG(asp_tags)) {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
BEGIN(ST_IN_SCRIPTING);
return T_OPEN_TAG_WITH_ECHO;
} else {
goto inline_char_handler;
}
}
<INITIAL>"<?=" {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
BEGIN(ST_IN_SCRIPTING);
return T_OPEN_TAG_WITH_ECHO;
}
<INITIAL>"<%" {
if (CG(asp_tags)) {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
BEGIN(ST_IN_SCRIPTING);
return T_OPEN_TAG;
} else {
goto inline_char_handler;
}
}
<INITIAL>"<?php"([ \t]|{NEWLINE}) {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
HANDLE_NEWLINE(yytext[yyleng-1]);
BEGIN(ST_IN_SCRIPTING);
return T_OPEN_TAG;
}
<INITIAL>"<?" {
if (CG(short_tags)) {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
BEGIN(ST_IN_SCRIPTING);
return T_OPEN_TAG;
} else {
goto inline_char_handler;
}
}
<INITIAL>{ANY_CHAR} {
if (YYCURSOR > YYLIMIT) {
return 0;
}
inline_char_handler:
while (1) {
YYCTYPE *ptr = memchr(YYCURSOR, '<', YYLIMIT - YYCURSOR);
YYCURSOR = ptr ? ptr + 1 : YYLIMIT;
if (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR) {
case '?':
if (CG(short_tags) || !strncasecmp((char*)YYCURSOR + 1, "php", 3) || (*(YYCURSOR + 1) == '=')) { /* Assume [ \t\n\r] follows "php" */
break;
}
continue;
case '%':
if (CG(asp_tags)) {
break;
}
continue;
case 's':
case 'S':
/* Probably NOT an opening PHP <script> tag, so don't end the HTML chunk yet
* If it is, the PHP <script> tag rule checks for any HTML scanned before it */
YYCURSOR--;
yymore();
default:
continue;
}
YYCURSOR--;
}
break;
}
inline_html:
yyleng = YYCURSOR - SCNG(yy_text);
if (SCNG(output_filter)) {
int readsize;
size_t sz = 0;
readsize = SCNG(output_filter)((unsigned char **)&(zendlval->value.str.val), &sz, (unsigned char *)yytext, (size_t)yyleng TSRMLS_CC);
zendlval->value.str.len = sz;
if (readsize < yyleng) {
yyless(readsize);
}
} else {
zendlval->value.str.val = (char *) estrndup(yytext, yyleng);
zendlval->value.str.len = yyleng;
}
zendlval->type = IS_STRING;
HANDLE_NEWLINES(yytext, yyleng);
return T_INLINE_HTML;
}
/* Make sure a label character follows "->", otherwise there is no property
* and "->" will be taken literally
*/
<ST_DOUBLE_QUOTES,ST_HEREDOC,ST_BACKQUOTE>"$"{LABEL}"->"[a-zA-Z_\x7f-\xff] {
yyless(yyleng - 3);
yy_push_state(ST_LOOKING_FOR_PROPERTY TSRMLS_CC);
zend_copy_value(zendlval, (yytext+1), (yyleng-1));
zendlval->type = IS_STRING;
return T_VARIABLE;
}
/* A [ always designates a variable offset, regardless of what follows
*/
<ST_DOUBLE_QUOTES,ST_HEREDOC,ST_BACKQUOTE>"$"{LABEL}"[" {
yyless(yyleng - 1);
yy_push_state(ST_VAR_OFFSET TSRMLS_CC);
zend_copy_value(zendlval, (yytext+1), (yyleng-1));
zendlval->type = IS_STRING;
return T_VARIABLE;
}
<ST_IN_SCRIPTING,ST_DOUBLE_QUOTES,ST_HEREDOC,ST_BACKQUOTE,ST_VAR_OFFSET>"$"{LABEL} {
zend_copy_value(zendlval, (yytext+1), (yyleng-1));
zendlval->type = IS_STRING;
return T_VARIABLE;
}
<ST_VAR_OFFSET>"]" {
yy_pop_state(TSRMLS_C);
return ']';
}
<ST_VAR_OFFSET>{TOKENS}|[{}"`] {
/* Only '[' can be valid, but returning other tokens will allow a more explicit parse error */
return yytext[0];
}
<ST_VAR_OFFSET>[ \n\r\t\\'#] {
/* Invalid rule to return a more explicit parse error with proper line number */
yyless(0);
yy_pop_state(TSRMLS_C);
return T_ENCAPSED_AND_WHITESPACE;
}
<ST_IN_SCRIPTING,ST_VAR_OFFSET>{LABEL} {
zend_copy_value(zendlval, yytext, yyleng);
zendlval->type = IS_STRING;
return T_STRING;
}
<ST_IN_SCRIPTING>"#"|"//" {
while (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR++) {
case '\r':
if (*YYCURSOR == '\n') {
YYCURSOR++;
}
/* fall through */
case '\n':
CG(zend_lineno)++;
break;
case '%':
if (!CG(asp_tags)) {
continue;
}
/* fall through */
case '?':
if (*YYCURSOR == '>') {
YYCURSOR--;
break;
}
/* fall through */
default:
continue;
}
break;
}
yyleng = YYCURSOR - SCNG(yy_text);
return T_COMMENT;
}
<ST_IN_SCRIPTING>"/*"|"/**"{WHITESPACE} {
int doc_com;
if (yyleng > 2) {
doc_com = 1;
RESET_DOC_COMMENT();
} else {
doc_com = 0;
}
while (YYCURSOR < YYLIMIT) {
if (*YYCURSOR++ == '*' && *YYCURSOR == '/') {
break;
}
}
if (YYCURSOR < YYLIMIT) {
YYCURSOR++;
} else {
zend_error(E_COMPILE_WARNING, "Unterminated comment starting line %d", CG(zend_lineno));
}
yyleng = YYCURSOR - SCNG(yy_text);
HANDLE_NEWLINES(yytext, yyleng);
if (doc_com) {
CG(doc_comment) = estrndup(yytext, yyleng);
CG(doc_comment_len) = yyleng;
return T_DOC_COMMENT;
}
return T_COMMENT;
}
<ST_IN_SCRIPTING>("?>"|"</script"{WHITESPACE}*">"){NEWLINE}? {
zendlval->value.str.val = yytext; /* no copying - intentional */
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
BEGIN(INITIAL);
return T_CLOSE_TAG; /* implicit ';' at php-end tag */
}
<ST_IN_SCRIPTING>"%>"{NEWLINE}? {
if (CG(asp_tags)) {
BEGIN(INITIAL);
zendlval->value.str.len = yyleng;
zendlval->type = IS_STRING;
zendlval->value.str.val = yytext; /* no copying - intentional */
return T_CLOSE_TAG; /* implicit ';' at php-end tag */
} else {
yyless(1);
return yytext[0];
}
}
<ST_IN_SCRIPTING>b?['] {
register char *s, *t;
char *end;
int bprefix = (yytext[0] != '\'') ? 1 : 0;
while (1) {
if (YYCURSOR < YYLIMIT) {
if (*YYCURSOR == '\'') {
YYCURSOR++;
yyleng = YYCURSOR - SCNG(yy_text);
break;
} else if (*YYCURSOR++ == '\\' && YYCURSOR < YYLIMIT) {
YYCURSOR++;
}
} else {
yyleng = YYLIMIT - SCNG(yy_text);
/* Unclosed single quotes; treat similar to double quotes, but without a separate token
* for ' (unrecognized by parser), instead of old flex fallback to "Unexpected character..."
* rule, which continued in ST_IN_SCRIPTING state after the quote */
return T_ENCAPSED_AND_WHITESPACE;
}
}
zendlval->value.str.val = estrndup(yytext+bprefix+1, yyleng-bprefix-2);
zendlval->value.str.len = yyleng-bprefix-2;
zendlval->type = IS_STRING;
/* convert escape sequences */
s = t = zendlval->value.str.val;
end = s+zendlval->value.str.len;
while (s<end) {
if (*s=='\\') {
s++;
switch(*s) {
case '\\':
case '\'':
*t++ = *s;
zendlval->value.str.len--;
break;
default:
*t++ = '\\';
*t++ = *s;
break;
}
} else {
*t++ = *s;
}
if (*s == '\n' || (*s == '\r' && (*(s+1) != '\n'))) {
CG(zend_lineno)++;
}
s++;
}
*t = 0;
if (SCNG(output_filter)) {
size_t sz = 0;
s = zendlval->value.str.val;
SCNG(output_filter)((unsigned char **)&(zendlval->value.str.val), &sz, (unsigned char *)s, (size_t)zendlval->value.str.len TSRMLS_CC);
zendlval->value.str.len = sz;
efree(s);
}
return T_CONSTANT_ENCAPSED_STRING;
}
<ST_IN_SCRIPTING>b?["] {
int bprefix = (yytext[0] != '"') ? 1 : 0;
while (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR++) {
case '"':
yyleng = YYCURSOR - SCNG(yy_text);
zend_scan_escape_string(zendlval, yytext+bprefix+1, yyleng-bprefix-2, '"' TSRMLS_CC);
return T_CONSTANT_ENCAPSED_STRING;
case '$':
if (IS_LABEL_START(*YYCURSOR) || *YYCURSOR == '{') {
break;
}
continue;
case '{':
if (*YYCURSOR == '$') {
break;
}
continue;
case '\\':
if (YYCURSOR < YYLIMIT) {
YYCURSOR++;
}
/* fall through */
default:
continue;
}
YYCURSOR--;
break;
}
/* Remember how much was scanned to save rescanning */
SET_DOUBLE_QUOTES_SCANNED_LENGTH(YYCURSOR - SCNG(yy_text) - yyleng);
YYCURSOR = SCNG(yy_text) + yyleng;
BEGIN(ST_DOUBLE_QUOTES);
return '"';
}
<ST_IN_SCRIPTING>b?"<<<"{TABS_AND_SPACES}({LABEL}|([']{LABEL}['])|(["]{LABEL}["])){NEWLINE} {
char *s;
int bprefix = (yytext[0] != '<') ? 1 : 0;
/* save old heredoc label */
Z_STRVAL_P(zendlval) = CG(heredoc);
Z_STRLEN_P(zendlval) = CG(heredoc_len);
CG(zend_lineno)++;
CG(heredoc_len) = yyleng-bprefix-3-1-(yytext[yyleng-2]=='\r'?1:0);
s = yytext+bprefix+3;
while ((*s == ' ') || (*s == '\t')) {
s++;
CG(heredoc_len)--;
}
if (*s == '\'') {
s++;
CG(heredoc_len) -= 2;
BEGIN(ST_NOWDOC);
} else {
if (*s == '"') {
s++;
CG(heredoc_len) -= 2;
}
BEGIN(ST_HEREDOC);
}
CG(heredoc) = estrndup(s, CG(heredoc_len));
/* Check for ending label on the next line */
if (CG(heredoc_len) < YYLIMIT - YYCURSOR && !memcmp(YYCURSOR, s, CG(heredoc_len))) {
YYCTYPE *end = YYCURSOR + CG(heredoc_len);
if (*end == ';') {
end++;
}
if (*end == '\n' || *end == '\r') {
BEGIN(ST_END_HEREDOC);
}
}
return T_START_HEREDOC;
}
<ST_IN_SCRIPTING>[`] {
BEGIN(ST_BACKQUOTE);
return '`';
}
<ST_END_HEREDOC>{ANY_CHAR} {
YYCURSOR += CG(heredoc_len) - 1;
yyleng = CG(heredoc_len);
Z_STRVAL_P(zendlval) = CG(heredoc);
Z_STRLEN_P(zendlval) = CG(heredoc_len);
CG(heredoc) = NULL;
CG(heredoc_len) = 0;
BEGIN(ST_IN_SCRIPTING);
return T_END_HEREDOC;
}
<ST_DOUBLE_QUOTES,ST_BACKQUOTE,ST_HEREDOC>"{$" {
zendlval->value.lval = (long) '{';
yy_push_state(ST_IN_SCRIPTING TSRMLS_CC);
yyless(1);
return T_CURLY_OPEN;
}
<ST_DOUBLE_QUOTES>["] {
BEGIN(ST_IN_SCRIPTING);
return '"';
}
<ST_BACKQUOTE>[`] {
BEGIN(ST_IN_SCRIPTING);
return '`';
}
<ST_DOUBLE_QUOTES>{ANY_CHAR} {
if (GET_DOUBLE_QUOTES_SCANNED_LENGTH()) {
YYCURSOR += GET_DOUBLE_QUOTES_SCANNED_LENGTH() - 1;
SET_DOUBLE_QUOTES_SCANNED_LENGTH(0);
goto double_quotes_scan_done;
}
if (YYCURSOR > YYLIMIT) {
return 0;
}
if (yytext[0] == '\\' && YYCURSOR < YYLIMIT) {
YYCURSOR++;
}
while (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR++) {
case '"':
break;
case '$':
if (IS_LABEL_START(*YYCURSOR) || *YYCURSOR == '{') {
break;
}
continue;
case '{':
if (*YYCURSOR == '$') {
break;
}
continue;
case '\\':
if (YYCURSOR < YYLIMIT) {
YYCURSOR++;
}
/* fall through */
default:
continue;
}
YYCURSOR--;
break;
}
double_quotes_scan_done:
yyleng = YYCURSOR - SCNG(yy_text);
zend_scan_escape_string(zendlval, yytext, yyleng, '"' TSRMLS_CC);
return T_ENCAPSED_AND_WHITESPACE;
}
<ST_BACKQUOTE>{ANY_CHAR} {
if (YYCURSOR > YYLIMIT) {
return 0;
}
if (yytext[0] == '\\' && YYCURSOR < YYLIMIT) {
YYCURSOR++;
}
while (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR++) {
case '`':
break;
case '$':
if (IS_LABEL_START(*YYCURSOR) || *YYCURSOR == '{') {
break;
}
continue;
case '{':
if (*YYCURSOR == '$') {
break;
}
continue;
case '\\':
if (YYCURSOR < YYLIMIT) {
YYCURSOR++;
}
/* fall through */
default:
continue;
}
YYCURSOR--;
break;
}
yyleng = YYCURSOR - SCNG(yy_text);
zend_scan_escape_string(zendlval, yytext, yyleng, '`' TSRMLS_CC);
return T_ENCAPSED_AND_WHITESPACE;
}
<ST_HEREDOC>{ANY_CHAR} {
int newline = 0;
if (YYCURSOR > YYLIMIT) {
return 0;
}
YYCURSOR--;
while (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR++) {
case '\r':
if (*YYCURSOR == '\n') {
YYCURSOR++;
}
/* fall through */
case '\n':
/* Check for ending label on the next line */
if (IS_LABEL_START(*YYCURSOR) && CG(heredoc_len) < YYLIMIT - YYCURSOR && !memcmp(YYCURSOR, CG(heredoc), CG(heredoc_len))) {
YYCTYPE *end = YYCURSOR + CG(heredoc_len);
if (*end == ';') {
end++;
}
if (*end == '\n' || *end == '\r') {
/* newline before label will be subtracted from returned text, but
* yyleng/yytext will include it, for zend_highlight/strip, tokenizer, etc. */
if (YYCURSOR[-2] == '\r' && YYCURSOR[-1] == '\n') {
newline = 2; /* Windows newline */
} else {
newline = 1;
}
CG(increment_lineno) = 1; /* For newline before label */
BEGIN(ST_END_HEREDOC);
goto heredoc_scan_done;
}
}
continue;
case '$':
if (IS_LABEL_START(*YYCURSOR) || *YYCURSOR == '{') {
break;
}
continue;
case '{':
if (*YYCURSOR == '$') {
break;
}
continue;
case '\\':
if (YYCURSOR < YYLIMIT && *YYCURSOR != '\n' && *YYCURSOR != '\r') {
YYCURSOR++;
}
/* fall through */
default:
continue;
}
YYCURSOR--;
break;
}
heredoc_scan_done:
yyleng = YYCURSOR - SCNG(yy_text);
zend_scan_escape_string(zendlval, yytext, yyleng - newline, 0 TSRMLS_CC);
return T_ENCAPSED_AND_WHITESPACE;
}
<ST_NOWDOC>{ANY_CHAR} {
int newline = 0;
if (YYCURSOR > YYLIMIT) {
return 0;
}
YYCURSOR--;
while (YYCURSOR < YYLIMIT) {
switch (*YYCURSOR++) {
case '\r':
if (*YYCURSOR == '\n') {
YYCURSOR++;
}
/* fall through */
case '\n':
/* Check for ending label on the next line */
if (IS_LABEL_START(*YYCURSOR) && CG(heredoc_len) < YYLIMIT - YYCURSOR && !memcmp(YYCURSOR, CG(heredoc), CG(heredoc_len))) {
YYCTYPE *end = YYCURSOR + CG(heredoc_len);
if (*end == ';') {
end++;
}
if (*end == '\n' || *end == '\r') {
/* newline before label will be subtracted from returned text, but
* yyleng/yytext will include it, for zend_highlight/strip, tokenizer, etc. */
if (YYCURSOR[-2] == '\r' && YYCURSOR[-1] == '\n') {
newline = 2; /* Windows newline */
} else {
newline = 1;
}
CG(increment_lineno) = 1; /* For newline before label */
BEGIN(ST_END_HEREDOC);
goto nowdoc_scan_done;
}
}
/* fall through */
default:
continue;
}
}
nowdoc_scan_done:
yyleng = YYCURSOR - SCNG(yy_text);
zend_copy_value(zendlval, yytext, yyleng - newline);
zendlval->type = IS_STRING;
HANDLE_NEWLINES(yytext, yyleng - newline);
return T_ENCAPSED_AND_WHITESPACE;
}
<ST_IN_SCRIPTING,ST_VAR_OFFSET>{ANY_CHAR} {
if (YYCURSOR > YYLIMIT) {
return 0;
}
zend_error(E_COMPILE_WARNING,"Unexpected character in input: '%c' (ASCII=%d) state=%d", yytext[0], yytext[0], YYSTATE);
goto restart;
}
*/
}
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