#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <locale.h>
#include <ctype.h>
#include <err.h>
#include <regex.h>
#include <limits.h>
#include <asterisk/ast_expr.h>
#include <asterisk/logger.h>
#include <asterisk/strings.h>
#include "ast_expr2.h"
#include <unistd.h>
Go to the source code of this file.
Data Structures | |
struct | parse_io |
struct | val |
struct | yy_buffer_state |
struct | yy_trans_info |
struct | yyguts_t |
Defines | |
#define | ast_yywrap(n) 1 |
#define | BEGIN yyg->yy_start = 1 + 2 * |
#define | ECHO (void) fwrite( yytext, yyleng, 1, yyout ) |
#define | EOB_ACT_CONTINUE_SCAN 0 |
#define | EOB_ACT_END_OF_FILE 1 |
#define | EOB_ACT_LAST_MATCH 2 |
#define | FLEX_BETA |
#define | FLEX_SCANNER |
#define | INITIAL 0 |
#define | INT16_MAX (32767) |
#define | INT16_MIN (-32767-1) |
#define | INT32_MAX (2147483647) |
#define | INT32_MIN (-2147483647-1) |
#define | INT8_MAX (127) |
#define | INT8_MIN (-128) |
#define | REJECT reject_used_but_not_detected |
#define | SET_COLUMNS yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);yylloc_param->last_column = yylloc_param->last_column + yyleng - 1; yylloc_param->first_line = yylloc_param->last_line = 1 |
#define | SET_NUMERIC_STRING yylval_param->val = (struct val *)calloc(sizeof(struct val),1); yylval_param->val->type = AST_EXPR_numeric_string; yylval_param->val->u.s = strdup(yytext); |
#define | SET_STRING yylval_param->val = (struct val *)calloc(sizeof(struct val),1); yylval_param->val->type = AST_EXPR_string; yylval_param->val->u.s = strdup(yytext); |
#define | trail 2 |
#define | UINT16_MAX (65535U) |
#define | UINT32_MAX (4294967295U) |
#define | UINT8_MAX (255U) |
#define | unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) |
#define | var 1 |
#define | YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) |
#define | YY_BREAK break; |
#define | YY_BUF_SIZE 16384 |
#define | YY_BUFFER_EOF_PENDING 2 |
#define | YY_BUFFER_NEW 0 |
#define | YY_BUFFER_NORMAL 1 |
#define | YY_CURRENT_BUFFER |
#define | YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] |
#define | YY_DECL int ast_yylex (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) |
#define | YY_DECL_IS_OURS 1 |
#define | YY_DO_BEFORE_ACTION |
#define | YY_END_OF_BUFFER 31 |
#define | YY_END_OF_BUFFER_CHAR 0 |
#define | YY_EXIT_FAILURE 2 |
#define | YY_EXTRA_TYPE void * |
#define | YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) |
#define | yy_flex_debug yyg->yy_flex_debug_r |
#define | YY_FLEX_MAJOR_VERSION 2 |
#define | YY_FLEX_MINOR_VERSION 5 |
#define | YY_FLEX_SUBMINOR_VERSION 31 |
#define | YY_FLUSH_BUFFER ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner) |
#define | YY_INPUT(buf, result, max_size) |
#define | YY_INT_ALIGNED short int |
#define | YY_LESS_LINENO(n) |
#define | YY_MORE_ADJ yyg->yy_more_len |
#define | yy_new_buffer ast_yy_create_buffer |
#define | YY_NEW_FILE ast_yyrestart(yyin ,yyscanner ) |
#define | YY_NULL 0 |
#define | YY_NUM_RULES 30 |
#define | YY_READ_BUF_SIZE 8192 |
#define | YY_RESTORE_YY_MORE_OFFSET |
#define | YY_RULE_SETUP YY_USER_ACTION |
#define | YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) |
#define | yy_set_bol(at_bol) |
#define | yy_set_interactive(is_interactive) |
#define | YY_SKIP_YYWRAP |
#define | YY_START ((yyg->yy_start - 1) / 2) |
#define | YY_START_STACK_INCR 25 |
#define | YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) |
#define | yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) |
#define | yyconst |
#define | yyextra yyg->yyextra_r |
#define | yyin yyg->yyin_r |
#define | yyleng yyg->yyleng_r |
#define | yyless(n) |
#define | yyless(n) |
#define | yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) |
#define | yylloc yyg->yylloc_r |
#define | yylval yyg->yylval_r |
#define | yymore() (yyg->yy_more_flag = 1) |
#define | yyout yyg->yyout_r |
#define | YYSTATE YY_START |
#define | YYTABLES_NAME "yytables" |
#define | yyterminate() return YY_NULL |
#define | yytext yyg->yytext_r |
#define | yytext_ptr yytext_r |
Typedefs | |
typedef short int | flex_int16_t |
typedef int | flex_int32_t |
typedef signed char | flex_int8_t |
typedef unsigned short int | flex_uint16_t |
typedef unsigned int | flex_uint32_t |
typedef unsigned char | flex_uint8_t |
typedef yy_buffer_state * | YY_BUFFER_STATE |
typedef char | YY_CHAR |
typedef unsigned int | yy_size_t |
typedef int | yy_state_type |
typedef void * | yyscan_t |
Enumerations | |
enum | valtype { AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string } |
Functions | |
int | ast_expr (char *expr, char *buf, int length) |
YY_BUFFER_STATE | ast_yy_create_buffer (FILE *file, int size, yyscan_t yyscanner) |
void | ast_yy_delete_buffer (YY_BUFFER_STATE b, yyscan_t yyscanner) |
void | ast_yy_flush_buffer (YY_BUFFER_STATE b, yyscan_t yyscanner) |
void | ast_yy_init_buffer (YY_BUFFER_STATE b, FILE *file, yyscan_t yyscanner) |
void | ast_yy_load_buffer_state (yyscan_t yyscanner) |
YY_BUFFER_STATE | ast_yy_scan_buffer (char *base, yy_size_t size, yyscan_t yyscanner) |
YY_BUFFER_STATE | ast_yy_scan_bytes (yyconst char *bytes, int len, yyscan_t yyscanner) |
YY_BUFFER_STATE | ast_yy_scan_string (yyconst char *yy_str, yyscan_t yyscanner) |
void | ast_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer, yyscan_t yyscanner) |
void * | ast_yyalloc (yy_size_t, yyscan_t yyscanner) |
void | ast_yyensure_buffer_stack (yyscan_t yyscanner) |
int | ast_yyerror (const char *s, yyltype *loc, struct parse_io *parseio) |
int | ast_yyerror (const char *, YYLTYPE *, struct parse_io *) |
void | ast_yyfree (void *, yyscan_t yyscanner) |
int | ast_yyget_column (yyscan_t yyscanner) |
int | ast_yyget_debug (yyscan_t yyscanner) |
YY_EXTRA_TYPE | ast_yyget_extra (yyscan_t yyscanner) |
FILE * | ast_yyget_in (yyscan_t yyscanner) |
int | ast_yyget_leng (yyscan_t yyscanner) |
int | ast_yyget_lineno (yyscan_t yyscanner) |
YYLTYPE * | ast_yyget_lloc (yyscan_t yyscanner) |
YYSTYPE * | ast_yyget_lval (yyscan_t yyscanner) |
FILE * | ast_yyget_out (yyscan_t yyscanner) |
char * | ast_yyget_text (yyscan_t yyscanner) |
int | ast_yylex (YYSTYPE *yylval_param, YYLTYPE *yylloc_param, yyscan_t yyscanner) |
int | ast_yylex_destroy (yyscan_t yyscanner) |
int | ast_yylex_init (yyscan_t *scanner) |
int | ast_yyparse (void *) |
void | ast_yypop_buffer_state (yyscan_t yyscanner) |
void | ast_yypush_buffer_state (YY_BUFFER_STATE new_buffer, yyscan_t yyscanner) |
void * | ast_yyrealloc (void *, yy_size_t, yyscan_t yyscanner) |
void | ast_yyrestart (FILE *input_file, yyscan_t yyscanner) |
void | ast_yyset_column (int column_no, yyscan_t yyscanner) |
void | ast_yyset_debug (int debug_flag, yyscan_t yyscanner) |
void | ast_yyset_extra (YY_EXTRA_TYPE user_defined, yyscan_t yyscanner) |
void | ast_yyset_in (FILE *in_str, yyscan_t yyscanner) |
void | ast_yyset_lineno (int line_number, yyscan_t yyscanner) |
void | ast_yyset_lloc (YYLTYPE *yylloc_param, yyscan_t yyscanner) |
void | ast_yyset_lval (YYSTYPE *yylval_param, yyscan_t yyscanner) |
void | ast_yyset_out (FILE *out_str, yyscan_t yyscanner) |
int | input (yyscan_t yyscanner) |
void | yy_fatal_error (yyconst char *msg, yyscan_t yyscanner) |
void | yy_fatal_error (yyconst char msg[], yyscan_t yyscanner) |
int | yy_get_next_buffer (yyscan_t yyscanner) |
yy_state_type | yy_get_previous_state (yyscan_t yyscanner) |
int | yy_init_globals (yyscan_t yyscanner) |
yy_state_type | yy_try_NUL_trans (yy_state_type current_state, yyscan_t yyscanner) |
void | yyunput (int c, char *buf_ptr, yyscan_t yyscanner) |
Variables | |
int | curlycount = 0 |
yyconst flex_int16_t | yy_accept [50] |
yyconst yy_state_type | yy_NUL_trans [50] |
yyconst flex_int16_t | yy_nxt [][128] |
Definition in file ast_expr2f.c.
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Value: ( yyg->yy_buffer_stack \ ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ : NULL) Definition at line 265 of file ast_expr2f.c. Referenced by ast_yylex_destroy(), and ast_yypop_buffer_state(). |
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Definition at line 159 of file ast_expr2f.c. Referenced by ast_yy_scan_buffer(), ast_yy_scan_bytes(), and ast_yy_scan_string(). |
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Definition at line 1274 of file ast_expr2f.c. 01274 { 01275 AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string 01276 } ;
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Definition at line 2912 of file ast_expr2f.c. References ast_yy_scan_string(), ast_yylex_destroy(), ast_yylex_init(), ast_yyparse(), free, and parse_io::string. Referenced by pbx_substitute_variables_helper_full(). 02913 { 02914 struct parse_io io; 02915 int return_value = 0; 02916 02917 memset(&io, 0, sizeof(io)); 02918 io.string = expr; /* to pass to the error routine */ 02919 02920 ast_yylex_init(&io.scanner); 02921 02922 ast_yy_scan_string(expr, io.scanner); 02923 02924 ast_yyparse ((void *) &io); 02925 02926 ast_yylex_destroy(io.scanner); 02927 02928 if (!io.val) { 02929 if (length > 1) { 02930 strcpy(buf, "0"); 02931 return_value = 1; 02932 } 02933 } else { 02934 if (io.val->type == AST_EXPR_integer) { 02935 int res_length; 02936 02937 res_length = snprintf(buf, length, "%ld", (long int) io.val->u.i); 02938 return_value = (res_length <= length) ? res_length : length; 02939 } else { 02940 #ifdef STANDALONE 02941 strncpy(buf, io.val->u.s, length - 1); 02942 #else /* !STANDALONE */ 02943 ast_copy_string(buf, io.val->u.s, length); 02944 #endif /* STANDALONE */ 02945 return_value = strlen(buf); 02946 free(io.val->u.s); 02947 } 02948 free(io.val); 02949 } 02950 return return_value; 02951 }
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Referenced by ast_yylex_destroy(), and ast_yypop_buffer_state(). |
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Discard all buffered characters. On the next scan, YY_INPUT will be called.
Definition at line 2350 of file ast_expr2f.c. References ast_yy_load_buffer_state(), yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, and yy_buffer_state::yy_n_chars. Referenced by ast_yy_init_buffer(). 02351 { 02352 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02353 if ( ! b ) 02354 return; 02355 02356 b->yy_n_chars = 0; 02357 02358 /* We always need two end-of-buffer characters. The first causes 02359 * a transition to the end-of-buffer state. The second causes 02360 * a jam in that state. 02361 */ 02362 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 02363 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 02364 02365 b->yy_buf_pos = &b->yy_ch_buf[0]; 02366 02367 b->yy_at_bol = 1; 02368 b->yy_buffer_status = YY_BUFFER_NEW; 02369 02370 if ( b == YY_CURRENT_BUFFER ) 02371 ast_yy_load_buffer_state(yyscanner ); 02372 }
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Definition at line 2321 of file ast_expr2f.c. References ast_yy_flush_buffer(), yy_buffer_state::yy_bs_column, yy_buffer_state::yy_bs_lineno, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, and yy_buffer_state::yy_is_interactive. 02323 { 02324 int oerrno = errno; 02325 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02326 02327 ast_yy_flush_buffer(b ,yyscanner); 02328 02329 b->yy_input_file = file; 02330 b->yy_fill_buffer = 1; 02331 02332 /* If b is the current buffer, then ast_yy_init_buffer was _probably_ 02333 * called from ast_yyrestart() or through yy_get_next_buffer. 02334 * In that case, we don't want to reset the lineno or column. 02335 */ 02336 if (b != YY_CURRENT_BUFFER){ 02337 b->yy_bs_lineno = 1; 02338 b->yy_bs_column = 0; 02339 } 02340 02341 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; 02342 02343 errno = oerrno; 02344 }
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Referenced by ast_yy_flush_buffer(), ast_yypop_buffer_state(), and ast_yypush_buffer_state(). |
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Setup the input buffer state to scan directly from a user-specified character buffer.
Definition at line 2477 of file ast_expr2f.c. References ast_yy_switch_to_buffer(), ast_yyalloc(), yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, yy_buffer_state::yy_buf_size, YY_BUFFER_STATE, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, yy_buffer_state::yy_is_interactive, yy_buffer_state::yy_is_our_buffer, and yy_buffer_state::yy_n_chars. Referenced by ast_yy_scan_bytes(). 02478 { 02479 YY_BUFFER_STATE b; 02480 02481 if ( size < 2 || 02482 base[size-2] != YY_END_OF_BUFFER_CHAR || 02483 base[size-1] != YY_END_OF_BUFFER_CHAR ) 02484 /* They forgot to leave room for the EOB's. */ 02485 return 0; 02486 02487 b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); 02488 if ( ! b ) 02489 YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" ); 02490 02491 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ 02492 b->yy_buf_pos = b->yy_ch_buf = base; 02493 b->yy_is_our_buffer = 0; 02494 b->yy_input_file = 0; 02495 b->yy_n_chars = b->yy_buf_size; 02496 b->yy_is_interactive = 0; 02497 b->yy_at_bol = 1; 02498 b->yy_fill_buffer = 0; 02499 b->yy_buffer_status = YY_BUFFER_NEW; 02500 02501 ast_yy_switch_to_buffer(b ,yyscanner ); 02502 02503 return b; 02504 }
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Setup the input buffer state to scan the given bytes. The next call to ast_yylex() will scan from a copy of bytes.
Definition at line 2527 of file ast_expr2f.c. References ast_yy_scan_buffer(), ast_yyalloc(), YY_BUFFER_STATE, YY_FATAL_ERROR, yy_buffer_state::yy_is_our_buffer, and yy_size_t. Referenced by ast_yy_scan_string(). 02528 { 02529 YY_BUFFER_STATE b; 02530 char *buf; 02531 yy_size_t n; 02532 int i; 02533 02534 /* Get memory for full buffer, including space for trailing EOB's. */ 02535 n = len + 2; 02536 buf = (char *) ast_yyalloc(n ,yyscanner ); 02537 if ( ! buf ) 02538 YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" ); 02539 02540 for ( i = 0; i < len; ++i ) 02541 buf[i] = bytes[i]; 02542 02543 buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; 02544 02545 b = ast_yy_scan_buffer(buf,n ,yyscanner); 02546 if ( ! b ) 02547 YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" ); 02548 02549 /* It's okay to grow etc. this buffer, and we should throw it 02550 * away when we're done. 02551 */ 02552 b->yy_is_our_buffer = 1; 02553 02554 return b; 02555 }
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Setup the input buffer state to scan a string. The next call to ast_yylex() will scan from a copy of str.
Definition at line 2514 of file ast_expr2f.c. References ast_yy_scan_bytes(), and YY_BUFFER_STATE. Referenced by ast_expr(). 02515 { 02516 02517 return ast_yy_scan_bytes(str,strlen(str) ,yyscanner); 02518 }
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Referenced by ast_yy_scan_buffer(). |
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Definition at line 2863 of file ast_expr2f.c. References malloc. Referenced by ast_yy_scan_buffer(), ast_yy_scan_bytes(), ast_yyensure_buffer_stack(), and ast_yylex_init(). 02864 { 02865 return (void *) malloc( size ); 02866 }
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Definition at line 2431 of file ast_expr2f.c. References ast_yyalloc(), ast_yyrealloc(), yyguts_t::yy_buffer_stack, yyguts_t::yy_buffer_stack_max, and yyguts_t::yy_buffer_stack_top. Referenced by ast_yypush_buffer_state(). 02432 { 02433 int num_to_alloc; 02434 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02435 02436 if (!yyg->yy_buffer_stack) { 02437 02438 /* First allocation is just for 2 elements, since we don't know if this 02439 * scanner will even need a stack. We use 2 instead of 1 to avoid an 02440 * immediate realloc on the next call. 02441 */ 02442 num_to_alloc = 1; 02443 yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc 02444 (num_to_alloc * sizeof(struct yy_buffer_state*) 02445 , yyscanner); 02446 02447 memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 02448 02449 yyg->yy_buffer_stack_max = num_to_alloc; 02450 yyg->yy_buffer_stack_top = 0; 02451 return; 02452 } 02453 02454 if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ 02455 02456 /* Increase the buffer to prepare for a possible push. */ 02457 int grow_size = 8 /* arbitrary grow size */; 02458 02459 num_to_alloc = yyg->yy_buffer_stack_max + grow_size; 02460 yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc 02461 (yyg->yy_buffer_stack, 02462 num_to_alloc * sizeof(struct yy_buffer_state*) 02463 , yyscanner); 02464 02465 /* zero only the new slots.*/ 02466 memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); 02467 yyg->yy_buffer_stack_max = num_to_alloc; 02468 } 02469 }
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Definition at line 2953 of file ast_expr2f.c. References ast_log(), LOG_WARNING, s, parse_io::scanner, parse_io::string, YY_CURRENT_BUFFER_LVALUE, and yytext. 02954 { 02955 struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner); 02956 char spacebuf[8000]; /* best safe than sorry */ 02957 char spacebuf2[8000]; /* best safe than sorry */ 02958 int i=0; 02959 spacebuf[0] = 0; 02960 02961 for(i=0;i< (int)(yytext - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);i++) spacebuf2[i] = ' '; /* uh... assuming yyg is defined, then I can use the yycolumn macro, 02962 which is the same thing as... get this: 02963 yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column 02964 I was tempted to just use yy_buf_pos in the STATE, but..., well: 02965 a. the yy_buf_pos is the current position in the buffer, which 02966 may not relate to the entire string/buffer because of the 02967 buffering. 02968 b. but, analysis of the situation is that when you use the 02969 ast_yy_scan_string func, it creates a single buffer the size of 02970 string, so the two would be the same... 02971 so, in the end, the yycolumn macro is available, shorter, therefore easier. */ 02972 spacebuf2[i++]='^'; 02973 spacebuf2[i]= 0; 02974 02975 #ifdef STANDALONE3 02976 /* easier to read in the standalone version */ 02977 printf("ast_yyerror(): syntax error: %s; Input:\n%s\n%s\n", 02978 s, parseio->string,spacebuf2); 02979 #else 02980 ast_log(LOG_WARNING,"ast_yyerror(): syntax error: %s; Input:\n%s\n%s\n", 02981 s, parseio->string,spacebuf2); 02982 #endif 02983 #ifndef STANDALONE 02984 ast_log(LOG_WARNING,"If you have questions, please refer to doc/README.variables in the asterisk source.\n"); 02985 #endif 02986 return(0); 02987 }
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Definition at line 2880 of file ast_expr2f.c. References free. Referenced by ast_yylex_destroy(). 02881 { 02882 free( (char *) ptr ); /* see ast_yyrealloc() for (char *) cast */ 02883 }
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Get the current column number.
Definition at line 2611 of file ast_expr2f.c. 02612 { 02613 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02614 02615 if (! YY_CURRENT_BUFFER) 02616 return 0; 02617 02618 return yycolumn; 02619 }
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Definition at line 2716 of file ast_expr2f.c. 02717 { 02718 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02719 return yy_flex_debug; 02720 }
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Get the user-defined data for this scanner.
Definition at line 2589 of file ast_expr2f.c. References YY_EXTRA_TYPE.
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Get the input stream.
Definition at line 2624 of file ast_expr2f.c.
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Get the length of the current token.
Definition at line 2642 of file ast_expr2f.c.
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Get the current line number.
Definition at line 2598 of file ast_expr2f.c. 02599 { 02600 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02601 02602 if (! YY_CURRENT_BUFFER) 02603 return 0; 02604 02605 return yylineno; 02606 }
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Definition at line 2742 of file ast_expr2f.c.
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Definition at line 2730 of file ast_expr2f.c.
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Get the output stream.
Definition at line 2633 of file ast_expr2f.c.
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Get the current token.
Definition at line 2652 of file ast_expr2f.c.
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Definition at line 2813 of file ast_expr2f.c. References ast_yy_delete_buffer(), ast_yyfree(), ast_yypop_buffer_state(), yyguts_t::yy_buffer_stack, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yyguts_t::yy_start_stack. Referenced by ast_expr(). 02814 { 02815 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02816 02817 /* Pop the buffer stack, destroying each element. */ 02818 while(YY_CURRENT_BUFFER){ 02819 ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); 02820 YY_CURRENT_BUFFER_LVALUE = NULL; 02821 ast_yypop_buffer_state(yyscanner); 02822 } 02823 02824 /* Destroy the stack itself. */ 02825 ast_yyfree(yyg->yy_buffer_stack ,yyscanner); 02826 yyg->yy_buffer_stack = NULL; 02827 02828 /* Destroy the start condition stack. */ 02829 ast_yyfree(yyg->yy_start_stack ,yyscanner ); 02830 yyg->yy_start_stack = NULL; 02831 02832 /* Destroy the main struct (reentrant only). */ 02833 ast_yyfree ( yyscanner , yyscanner ); 02834 return 0; 02835 }
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Definition at line 2792 of file ast_expr2f.c. References ast_yyalloc(), and yy_init_globals(). Referenced by ast_expr(). 02794 { 02795 if (ptr_yy_globals == NULL){ 02796 errno = EINVAL; 02797 return 1; 02798 } 02799 02800 *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL ); 02801 02802 if (*ptr_yy_globals == NULL){ 02803 errno = ENOMEM; 02804 return 1; 02805 } 02806 02807 memset(*ptr_yy_globals,0,sizeof(struct yyguts_t)); 02808 02809 return yy_init_globals ( *ptr_yy_globals ); 02810 }
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Referenced by ast_expr(). |
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Removes and deletes the top of the stack, if present. The next element becomes the new top.
Definition at line 2411 of file ast_expr2f.c. References ast_yy_delete_buffer(), ast_yy_load_buffer_state(), yyguts_t::yy_buffer_stack_top, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yyguts_t::yy_did_buffer_switch_on_eof. Referenced by ast_yylex_destroy(). 02412 { 02413 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02414 if (!YY_CURRENT_BUFFER) 02415 return; 02416 02417 ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner); 02418 YY_CURRENT_BUFFER_LVALUE = NULL; 02419 if (yyg->yy_buffer_stack_top > 0) 02420 --yyg->yy_buffer_stack_top; 02421 02422 if (YY_CURRENT_BUFFER) { 02423 ast_yy_load_buffer_state(yyscanner ); 02424 yyg->yy_did_buffer_switch_on_eof = 1; 02425 } 02426 }
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Pushes the new state onto the stack. The new state becomes the current state. This function will allocate the stack if necessary.
Definition at line 2380 of file ast_expr2f.c. References ast_yy_load_buffer_state(), ast_yyensure_buffer_stack(), yyguts_t::yy_buffer_stack_top, yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER_LVALUE, yyguts_t::yy_did_buffer_switch_on_eof, yyguts_t::yy_hold_char, and yyguts_t::yy_n_chars. 02381 { 02382 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02383 if (new_buffer == NULL) 02384 return; 02385 02386 ast_yyensure_buffer_stack(yyscanner); 02387 02388 /* This block is copied from ast_yy_switch_to_buffer. */ 02389 if ( YY_CURRENT_BUFFER ) 02390 { 02391 /* Flush out information for old buffer. */ 02392 *yyg->yy_c_buf_p = yyg->yy_hold_char; 02393 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; 02394 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; 02395 } 02396 02397 /* Only push if top exists. Otherwise, replace top. */ 02398 if (YY_CURRENT_BUFFER) 02399 yyg->yy_buffer_stack_top++; 02400 YY_CURRENT_BUFFER_LVALUE = new_buffer; 02401 02402 /* copied from ast_yy_switch_to_buffer. */ 02403 ast_yy_load_buffer_state(yyscanner ); 02404 yyg->yy_did_buffer_switch_on_eof = 1; 02405 }
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Definition at line 2868 of file ast_expr2f.c. References realloc. Referenced by ast_yyensure_buffer_stack(). 02869 { 02870 /* The cast to (char *) in the following accommodates both 02871 * implementations that use char* generic pointers, and those 02872 * that use void* generic pointers. It works with the latter 02873 * because both ANSI C and C++ allow castless assignment from 02874 * any pointer type to void*, and deal with argument conversions 02875 * as though doing an assignment. 02876 */ 02877 return (void *) realloc( (char *) ptr, size ); 02878 }
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Set the current column.
Definition at line 2687 of file ast_expr2f.c. References yy_fatal_error(), and yycolumn. 02688 { 02689 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02690 02691 /* column is only valid if an input buffer exists. */ 02692 if (! YY_CURRENT_BUFFER ) 02693 yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner); 02694 02695 yycolumn = column_no; 02696 }
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Definition at line 2722 of file ast_expr2f.c. References yy_flex_debug. 02723 { 02724 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02725 yy_flex_debug = bdebug ; 02726 }
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Set the user-defined data. This data is never touched by the scanner.
Definition at line 2662 of file ast_expr2f.c. References yyextra. 02663 { 02664 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02665 yyextra = user_defined ; 02666 }
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Set the input stream. This does not discard the current input buffer.
Definition at line 2704 of file ast_expr2f.c. References yyin.
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Set the current line number.
Definition at line 2672 of file ast_expr2f.c. References yy_fatal_error(), and yylineno. 02673 { 02674 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02675 02676 /* lineno is only valid if an input buffer exists. */ 02677 if (! YY_CURRENT_BUFFER ) 02678 yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner); 02679 02680 yylineno = line_number; 02681 }
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Definition at line 2748 of file ast_expr2f.c. References yylloc. 02749 { 02750 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02751 yylloc = yylloc_param; 02752 }
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Definition at line 2736 of file ast_expr2f.c. References yylval. 02737 { 02738 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02739 yylval = yylval_param; 02740 }
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Definition at line 2710 of file ast_expr2f.c. References yyout.
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Definition at line 2561 of file ast_expr2f.c. References YY_EXIT_FAILURE. Referenced by ast_yyset_column(), and ast_yyset_lineno(). 02562 {
02563 (void) fprintf( stderr, "%s\n", msg );
02564 exit( YY_EXIT_FAILURE );
02565 }
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Definition at line 2754 of file ast_expr2f.c. References yyguts_t::yy_buffer_stack, yyguts_t::yy_buffer_stack_max, yyguts_t::yy_buffer_stack_top, yyguts_t::yy_c_buf_p, yyguts_t::yy_init, yyguts_t::yy_start, yyguts_t::yy_start_stack, yyguts_t::yy_start_stack_depth, yyguts_t::yy_start_stack_ptr, yyin, and yyout. Referenced by ast_yylex_init(). 02755 { 02756 struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; 02757 /* Initialization is the same as for the non-reentrant scanner. 02758 This function is called once per scanner lifetime. */ 02759 02760 yyg->yy_buffer_stack = 0; 02761 yyg->yy_buffer_stack_top = 0; 02762 yyg->yy_buffer_stack_max = 0; 02763 yyg->yy_c_buf_p = (char *) 0; 02764 yyg->yy_init = 1; 02765 yyg->yy_start = 0; 02766 yyg->yy_start_stack_ptr = 0; 02767 yyg->yy_start_stack_depth = 0; 02768 yyg->yy_start_stack = (int *) 0; 02769 02770 /* Defined in main.c */ 02771 #ifdef YY_STDINIT 02772 yyin = stdin; 02773 yyout = stdout; 02774 #else 02775 yyin = (FILE *) 0; 02776 yyout = (FILE *) 0; 02777 #endif 02778 02779 /* For future reference: Set errno on error, since we are called by 02780 * ast_yylex_init() 02781 */ 02782 return 0; 02783 }
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Definition at line 1301 of file ast_expr2f.c. |
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Definition at line 1224 of file ast_expr2f.c. |
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Definition at line 1233 of file ast_expr2f.c. |
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Definition at line 330 of file ast_expr2f.c. |