Asterisk
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asterisk
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whitespace - format the source in a more readable way;

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On passing, define the macros as do {... } while (0) to
be free of unwanted side effects.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@23175 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.4
Luigi Rizzo 19 years ago
parent c7a892d5f9
commit 8d46a41cb0
2 changed files with 279 additions and 134 deletions
Show Stats Download Patch File Download Diff File

106
ast_expr2.fl
Unescape View File

@ -59,9 +59,23 @@ struct val {
#include "ast_expr2.h" /* the o/p of the bison on ast_expr2.y */
#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_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 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_COLUMNS do { \
yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); \
yylloc_param->last_column += yyleng - 1; \
yylloc_param->first_line = yylloc_param->last_line = 1; \
} while (0)
#define SET_STRING do { \
yylval_param->val = calloc(1, sizeof(struct val)); \
yylval_param->val->type = AST_EXPR_string; \
yylval_param->val->u.s = strdup(yytext); \
} while (0)
#define SET_NUMERIC_STRING do { \
yylval_param->val = calloc(1, sizeof(struct val)); \
yylval_param->val->type = AST_EXPR_numeric_string; \
yylval_param->val->u.s = strdup(yytext); \
} while (0)
struct parse_io
{
@ -110,25 +124,81 @@ static char *expr2_token_subst(char *mess);
\:\: { SET_COLUMNS; SET_STRING; return TOK_COLONCOLON;}
\( { SET_COLUMNS; SET_STRING; return TOK_LP;}
\) { SET_COLUMNS; SET_STRING; return TOK_RP;}
\$\{ {/* gather the contents of ${} expressions, with trailing stuff, into a single TOKEN. They are much more complex now than they used to be */
curlycount = 0; BEGIN(var); yymore();}
\$\{ {
/* gather the contents of ${} expressions, with trailing stuff,
* into a single TOKEN.
* They are much more complex now than they used to be
*/
curlycount = 0;
BEGIN(var);
yymore();
}
[ \r] {}
\"[^"]*\" {SET_COLUMNS; SET_STRING; return TOKEN;}
[ \t\r] {}
\"[^"]*\" {SET_COLUMNS; SET_STRING; return TOKEN;}
[\n] {/* what to do with eol */}
[0-9]+ {
SET_COLUMNS;
/* the original behavior of the expression parser was
* to bring in numbers as a numeric string
*/
SET_NUMERIC_STRING;
return TOKEN;
}
[\n] {/* what to do with eol */}
[0-9]+ { SET_COLUMNS; /* the original behavior of the expression parser was to bring in numbers as a numeric string */
SET_NUMERIC_STRING;
return TOKEN;}
[a-zA-Z0-9,.';\\_^$#@]+ {
SET_COLUMNS;
SET_STRING;
return TOKEN;
}
[a-zA-Z0-9,.';\\_^$#@]+ {SET_COLUMNS; SET_STRING; return TOKEN;}
<var>[^{}]*\} {curlycount--; if(curlycount < 0){ BEGIN(trail); yymore();} else { yymore();}}
<var>[^{}]*\{ {curlycount++; yymore(); }
<trail>[^-\t\r \n$():?%/+=*<>!|&]* {BEGIN(0); SET_COLUMNS; SET_STRING; return TOKEN;}
<trail>[-\t\r \n$():?%/+=*<>!|&] {char c = yytext[yyleng-1]; BEGIN(0); unput(c); SET_COLUMNS; SET_STRING; return TOKEN;}
<trail>\$\{ {curlycount = 0; BEGIN(var); yymore(); }
<trail><<EOF>> {BEGIN(0); SET_COLUMNS; SET_STRING; return TOKEN; /*actually, if an expr is only a variable ref, this could happen a LOT */}
<var>[^{}]*\} {
curlycount--;
if (curlycount < 0) {
BEGIN(trail);
yymore();
} else {
yymore();
}
}
<var>[^{}]*\{ {
curlycount++;
yymore();
}
<trail>[^-\t\r \n$():?%/+=*<>!|&]* {
BEGIN(0);
SET_COLUMNS;
SET_STRING;
return TOKEN;
}
<trail>[-\t\r \n$():?%/+=*<>!|&] {
char c = yytext[yyleng-1];
BEGIN(0);
unput(c);
SET_COLUMNS;
SET_STRING;
return TOKEN;
}
<trail>\$\{ {
curlycount = 0;
BEGIN(var);
yymore();
}
<trail><<EOF>> {
BEGIN(0);
SET_COLUMNS;
SET_STRING;
return TOKEN;
/*actually, if an expr is only a variable ref, this could happen a LOT */
}
%%

307
ast_expr2f.c
Unescape View File

@ -9,7 +9,7 @@
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 31
#define YY_FLEX_SUBMINOR_VERSION 33
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
@ -31,7 +31,15 @@
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
#if __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
@ -154,6 +162,10 @@ int ast_yylex_init (yyscan_t* scanner);
#define YY_BUF_SIZE 16384
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
@ -1379,9 +1391,23 @@ struct val {
#include "ast_expr2.h" /* the o/p of the bison on ast_expr2.y */
#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_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 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_COLUMNS do { \
yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); \
yylloc_param->last_column += yyleng - 1; \
yylloc_param->first_line = yylloc_param->last_line = 1; \
} while (0)
#define SET_STRING do { \
yylval_param->val = calloc(1, sizeof(struct val)); \
yylval_param->val->type = AST_EXPR_string; \
yylval_param->val->u.s = strdup(yytext); \
} while (0)
#define SET_NUMERIC_STRING do { \
yylval_param->val = calloc(1, sizeof(struct val)); \
yylval_param->val->type = AST_EXPR_numeric_string; \
yylval_param->val->u.s = strdup(yytext); \
} while (0)
struct parse_io
{
@ -1395,17 +1421,19 @@ int ast_yyget_column(yyscan_t yyscanner);
static int curlycount = 0;
static char *expr2_token_subst(char *mess);
#line 1394 "ast_expr2f.c"
#line 1425 "ast_expr2f.c"
#define INITIAL 0
#define var 1
#define trail 2
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
#include <unistd.h>
#endif
#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
@ -1449,6 +1477,8 @@ struct yyguts_t
}; /* end struct yyguts_t */
static int yy_init_globals (yyscan_t yyscanner );
/* This must go here because YYSTYPE and YYLTYPE are included
* from bison output in section 1.*/
# define yylval yyg->yylval_r
@ -1583,9 +1613,11 @@ static int input (yyscan_t yyscanner );
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
extern int ast_yylex (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
extern int ast_yylex \
(YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
#define YY_DECL int ast_yylex (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
#define YY_DECL int ast_yylex \
(YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
#endif /* !YY_DECL */
/* Code executed at the beginning of each rule, after yytext and yyleng
@ -1612,18 +1644,18 @@ YY_DECL
register int yy_act;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
#line 83 "ast_expr2.fl"
#line 102 "ast_expr2.fl"
#line 1614 "ast_expr2f.c"
#line 1651 "ast_expr2f.c"
yylval = yylval_param;
yylloc = yylloc_param;
if ( yyg->yy_init )
if ( !yyg->yy_init )
{
yyg->yy_init = 0;
yyg->yy_init = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
@ -1698,192 +1730,241 @@ do_action: /* This label is used only to access EOF actions. */
case 1:
YY_RULE_SETUP
#line 85 "ast_expr2.fl"
#line 104 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_OR;}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 86 "ast_expr2.fl"
#line 105 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_AND;}
YY_BREAK
case 3:
YY_RULE_SETUP
#line 87 "ast_expr2.fl"
#line 106 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_EQ;}
YY_BREAK
case 4:
YY_RULE_SETUP
#line 88 "ast_expr2.fl"
#line 107 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_OR;}
YY_BREAK
case 5:
YY_RULE_SETUP
#line 89 "ast_expr2.fl"
#line 108 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_AND;}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 90 "ast_expr2.fl"
#line 109 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_EQ;}
YY_BREAK
case 7:
YY_RULE_SETUP
#line 91 "ast_expr2.fl"
#line 110 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_EQTILDE;}
YY_BREAK
case 8:
YY_RULE_SETUP
#line 92 "ast_expr2.fl"
#line 111 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_GT;}
YY_BREAK
case 9:
YY_RULE_SETUP
#line 93 "ast_expr2.fl"
#line 112 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_LT;}
YY_BREAK
case 10:
YY_RULE_SETUP
#line 94 "ast_expr2.fl"
#line 113 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_GE;}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 95 "ast_expr2.fl"
#line 114 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_LE;}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 96 "ast_expr2.fl"
#line 115 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_NE;}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 97 "ast_expr2.fl"
#line 116 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_PLUS;}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 98 "ast_expr2.fl"
#line 117 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_MINUS;}
YY_BREAK
case 15:
YY_RULE_SETUP
#line 99 "ast_expr2.fl"
#line 118 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_MULT;}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 100 "ast_expr2.fl"
#line 119 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_DIV;}
YY_BREAK
case 17:
YY_RULE_SETUP
#line 101 "ast_expr2.fl"
#line 120 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_MOD;}
YY_BREAK
case 18:
YY_RULE_SETUP
#line 102 "ast_expr2.fl"
#line 121 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_COND;}
YY_BREAK
case 19:
YY_RULE_SETUP
#line 103 "ast_expr2.fl"
#line 122 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_COMPL;}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 104 "ast_expr2.fl"
#line 123 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_COLON;}
YY_BREAK
case 21:
YY_RULE_SETUP
#line 105 "ast_expr2.fl"
#line 124 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_COLONCOLON;}
YY_BREAK
case 22:
YY_RULE_SETUP
#line 106 "ast_expr2.fl"
#line 125 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_LP;}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 107 "ast_expr2.fl"
#line 126 "ast_expr2.fl"
{ SET_COLUMNS; SET_STRING; return TOK_RP;}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 108 "ast_expr2.fl"
{/* gather the contents of ${} expressions, with trailing stuff, into a single TOKEN. They are much more complex now than they used to be */
curlycount = 0; BEGIN(var); yymore();}
#line 127 "ast_expr2.fl"
{
/* gather the contents of ${} expressions, with trailing stuff,
* into a single TOKEN.
* They are much more complex now than they used to be
*/
curlycount = 0;
BEGIN(var);
yymore();
}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 111 "ast_expr2.fl"
#line 137 "ast_expr2.fl"
{}
YY_BREAK
case 26:
/* rule 26 can match eol */
YY_RULE_SETUP
#line 112 "ast_expr2.fl"
#line 138 "ast_expr2.fl"
{SET_COLUMNS; SET_STRING; return TOKEN;}
YY_BREAK
case 27:
/* rule 27 can match eol */
YY_RULE_SETUP
#line 114 "ast_expr2.fl"
#line 140 "ast_expr2.fl"
{/* what to do with eol */}
YY_BREAK
case 28:
YY_RULE_SETUP
#line 115 "ast_expr2.fl"
{ SET_COLUMNS; /* the original behavior of the expression parser was to bring in numbers as a numeric string */
SET_NUMERIC_STRING;
return TOKEN;}
#line 141 "ast_expr2.fl"
{
SET_COLUMNS;
/* the original behavior of the expression parser was
* to bring in numbers as a numeric string
*/
SET_NUMERIC_STRING;
return TOKEN;
}
YY_BREAK
case 29:
YY_RULE_SETUP
#line 119 "ast_expr2.fl"
{SET_COLUMNS; SET_STRING; return TOKEN;}
#line 150 "ast_expr2.fl"
{
SET_COLUMNS;
SET_STRING;
return TOKEN;
}
YY_BREAK
case 30:
/* rule 30 can match eol */
YY_RULE_SETUP
#line 121 "ast_expr2.fl"
{curlycount--; if(curlycount < 0){ BEGIN(trail); yymore();} else { yymore();}}
#line 157 "ast_expr2.fl"
{
curlycount--;
if (curlycount < 0) {
BEGIN(trail);
yymore();
} else {
yymore();
}
}
YY_BREAK
case 31:
/* rule 31 can match eol */
YY_RULE_SETUP
#line 122 "ast_expr2.fl"
{curlycount++; yymore(); }
#line 167 "ast_expr2.fl"
{
curlycount++;
yymore();
}
YY_BREAK
case 32:
YY_RULE_SETUP
#line 123 "ast_expr2.fl"
{BEGIN(0); SET_COLUMNS; SET_STRING; return TOKEN;}
#line 173 "ast_expr2.fl"
{
BEGIN(0);
SET_COLUMNS;
SET_STRING;
return TOKEN;
}
YY_BREAK
case 33:
/* rule 33 can match eol */
YY_RULE_SETUP
#line 124 "ast_expr2.fl"
{char c = yytext[yyleng-1]; BEGIN(0); unput(c); SET_COLUMNS; SET_STRING; return TOKEN;}
#line 180 "ast_expr2.fl"
{
char c = yytext[yyleng-1];
BEGIN(0);
unput(c);
SET_COLUMNS;
SET_STRING;
return TOKEN;
}
YY_BREAK
case 34:
YY_RULE_SETUP
#line 125 "ast_expr2.fl"
{curlycount = 0; BEGIN(var); yymore(); }
#line 189 "ast_expr2.fl"
{
curlycount = 0;
BEGIN(var);
yymore();
}
YY_BREAK
case YY_STATE_EOF(trail):
#line 126 "ast_expr2.fl"
{BEGIN(0); SET_COLUMNS; SET_STRING; return TOKEN; /*actually, if an expr is only a variable ref, this could happen a LOT */}
#line 195 "ast_expr2.fl"
{
BEGIN(0);
SET_COLUMNS;
SET_STRING;
return TOKEN;
/*actually, if an expr is only a variable ref, this could happen a LOT */
}
YY_BREAK
case 35:
YY_RULE_SETUP
#line 128 "ast_expr2.fl"
#line 203 "ast_expr2.fl"
ECHO;
YY_BREAK
#line 1882 "ast_expr2f.c"
#line 1968 "ast_expr2f.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(var):
yyterminate();
@ -2071,7 +2152,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
else
{
size_t num_to_read =
int num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
@ -2185,7 +2266,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
{
register int yy_is_jam;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
register char *yy_cp = yyg->yy_c_buf_p;
yy_current_state = yy_NUL_trans[yy_current_state];
@ -2625,16 +2706,16 @@ YY_BUFFER_STATE ast_yy_scan_buffer (char * base, yy_size_t size , yyscan_t yys
/** Setup the input buffer state to scan a string. The next call to ast_yylex() will
* scan from a @e copy of @a str.
* @param str a NUL-terminated string to scan
* @param yystr a NUL-terminated string to scan
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
* @note If you want to scan bytes that may contain NUL values, then use
* ast_yy_scan_bytes() instead.
*/
YY_BUFFER_STATE ast_yy_scan_string (yyconst char * str , yyscan_t yyscanner)
YY_BUFFER_STATE ast_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
{
return ast_yy_scan_bytes(str,strlen(str) ,yyscanner);
return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
}
/** Setup the input buffer state to scan the given bytes. The next call to ast_yylex() will
@ -2644,7 +2725,7 @@ YY_BUFFER_STATE ast_yy_scan_string (yyconst char * str , yyscan_t yyscanner)
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char * bytes, int len , yyscan_t yyscanner)
YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
{
YY_BUFFER_STATE b;
char *buf;
@ -2652,15 +2733,15 @@ YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char * bytes, int len , yyscan_t yy
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = len + 2;
n = _yybytes_len + 2;
buf = (char *) ast_yyalloc(n ,yyscanner );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );
for ( i = 0; i < len; ++i )
buf[i] = bytes[i];
for ( i = 0; i < _yybytes_len; ++i )
buf[i] = yybytes[i];
buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
b = ast_yy_scan_buffer(buf,n ,yyscanner);
if ( ! b )
@ -2871,21 +2952,51 @@ void ast_yyset_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner)
yylloc = yylloc_param;
}
/* User-visible API */
/* ast_yylex_init is special because it creates the scanner itself, so it is
* the ONLY reentrant function that doesn't take the scanner as the last argument.
* That's why we explicitly handle the declaration, instead of using our macros.
*/
int ast_yylex_init(yyscan_t* ptr_yy_globals)
{
if (ptr_yy_globals == NULL){
errno = EINVAL;
return 1;
}
*ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
if (*ptr_yy_globals == NULL){
errno = ENOMEM;
return 1;
}
/* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
return yy_init_globals ( *ptr_yy_globals );
}
static int yy_init_globals (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* Initialization is the same as for the non-reentrant scanner.
This function is called once per scanner lifetime. */
* This function is called from ast_yylex_destroy(), so don't allocate here.
*/
yyg->yy_buffer_stack = 0;
yyg->yy_buffer_stack_top = 0;
yyg->yy_buffer_stack_max = 0;
yyg->yy_c_buf_p = (char *) 0;
yyg->yy_init = 1;
yyg->yy_init = 0;
yyg->yy_start = 0;
yyg->yy_start_stack_ptr = 0;
yyg->yy_start_stack_depth = 0;
yyg->yy_start_stack = (int *) 0;
yyg->yy_start_stack = NULL;
/* Defined in main.c */
#ifdef YY_STDINIT
@ -2902,33 +3013,6 @@ static int yy_init_globals (yyscan_t yyscanner)
return 0;
}
/* User-visible API */
/* ast_yylex_init is special because it creates the scanner itself, so it is
* the ONLY reentrant function that doesn't take the scanner as the last argument.
* That's why we explicitly handle the declaration, instead of using our macros.
*/
int ast_yylex_init(yyscan_t* ptr_yy_globals)
{
if (ptr_yy_globals == NULL){
errno = EINVAL;
return 1;
}
*ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
if (*ptr_yy_globals == NULL){
errno = ENOMEM;
return 1;
}
memset(*ptr_yy_globals,0,sizeof(struct yyguts_t));
return yy_init_globals ( *ptr_yy_globals );
}
/* ast_yylex_destroy is for both reentrant and non-reentrant scanners. */
int ast_yylex_destroy (yyscan_t yyscanner)
{
@ -2949,8 +3033,13 @@ int ast_yylex_destroy (yyscan_t yyscanner)
ast_yyfree(yyg->yy_start_stack ,yyscanner );
yyg->yy_start_stack = NULL;
/* Reset the globals. This is important in a non-reentrant scanner so the next time
* ast_yylex() is called, initialization will occur. */
yy_init_globals( yyscanner);
/* Destroy the main struct (reentrant only). */
ast_yyfree ( yyscanner , yyscanner );
yyscanner = NULL;
return 0;
}
@ -2962,7 +3051,6 @@ int ast_yylex_destroy (yyscan_t yyscanner)
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
{
register int i;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
@ -2972,7 +3060,6 @@ static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yysca
static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
{
register int n;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
for ( n = 0; s[n]; ++n )
;
@ -3004,19 +3091,7 @@ void ast_yyfree (void * ptr , yyscan_t yyscanner)
#define YYTABLES_NAME "yytables"
#undef YY_NEW_FILE
#undef YY_FLUSH_BUFFER
#undef yy_set_bol
#undef yy_new_buffer
#undef yy_set_interactive
#undef yytext_ptr
#undef YY_DO_BEFORE_ACTION
#ifdef YY_DECL_IS_OURS
#undef YY_DECL_IS_OURS
#undef YY_DECL
#endif
#line 128 "ast_expr2.fl"
#line 203 "ast_expr2.fl"

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