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fix destructor for pval objects (thanks to Steve Murphy);

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rearrange initial part of ael.flex for flexibility.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@23011 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-04-27 21:09:52 +00:00
parent bfcab55f49
commit 304fbbd1b6
4 changed files with 507 additions and 636 deletions
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107
pbx/ael/ael.flex
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@@ -1,4 +1,3 @@
%{
/*
* Asterisk -- An open source telephony toolkit.
*
@@ -20,7 +19,44 @@
*
* \brief Flex scanner description of tokens used in AEL2 .
*
*/#include <sys/types.h>
*/
/*
* Start with flex options:
*
* %x describes the contexts we have: paren, semic and argg, plus INITIAL
*/
%x paren semic argg
/* prefix used for various globally-visible functions and variables.
* This renames also yywrap, but since we do not use it, we just
* add option noyywrap to remove it.
*/
%option prefix="ael_yy"
%option noyywrap
/* batch gives a bit more performance if we are using it in
* a non-interactive mode. We probably don't care much.
*/
%option batch
/* outfile is the filename to be used instead of lex.yy.c */
%option outfile="ael_lex.c"
/*
* These are not supported in flex 2.5.4, but we need them
* at the moment:
* reentrant produces a thread-safe parser. Not 100% sure that
* we require it, though.
* bison-bridge passes an additional yylval argument to yylex().
* bison-locations is probably not needed.
*/
%option reentrant
%option bison-bridge
%option bison-locations
%{
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
@@ -60,7 +96,6 @@ void ael_yyset_column (int column_no , yyscan_t yyscanner);
int ael_yyparse (struct parse_io *);
static void pbcpush(char x);
static int pbcpop(char x);
static void pbcwhere(const char *text, int *line, int *col );
/*
* A stack to process include files.
@@ -84,6 +119,27 @@ static int include_stack_index = 0;
* the line number is constant, and the column is incremented
* by the length of the token.
*/
#ifdef FLEX_BETA /* set for 2.5.33 */
/* compute the total number of lines and columns in the text
* passed as argument.
*/
static void pbcwhere(const char *text, int *line, int *col )
{
int loc_line = *line;
int loc_col = *col;
char c;
while ( (c = *text++) ) {
if ( c == '\n' ) {
loc_line++;
loc_col = 0;
}
loc_col++;
}
*line = loc_line;
*col = loc_col;
}
#define STORE_POS do { \
yylloc->first_line = yylloc->last_line = my_lineno; \
yylloc->first_column=my_col; \
@@ -101,30 +157,13 @@ static int include_stack_index = 0;
yylloc->last_line = my_lineno; \
yylloc->last_column = my_col; \
} while (0)
#else
#define STORE_POS
#define STORE_START
#define STORE_END
#endif
%}
/* %x describes the contexts we have: paren, semic and argg, plus INITIAL */
%x paren semic argg
/* prefix used for various globally-visible functions and variables.
* This renames also yywrap, but since we do not use it, we just
* add option noyywrap to remove it.
*/
%option prefix="ael_yy"
%option noyywrap
/* option batch gives a bit more performance if we are using it in
* a non-interactive mode. We probably don't care much.
*/
%option batch
/* filename to be used instead of lex.yy.c */
%option outfile="ael_lex.c"
%option reentrant
%option bison-bridge
%option bison-locations
/* %option yylineno I've tried hard, but haven't been able to use this */
NOPARENS [^()\[\]\{\}]*
@@ -466,24 +505,6 @@ static int c_prevword(void)
return 0;
}
/* compute the total number of lines and columns in the text
* passed as argument.
*/
static void pbcwhere(const char *text, int *line, int *col )
{
int loc_line = *line;
int loc_col = *col;
char c;
while ( (c = *text++) ) {
if ( c == '\n' ) {
loc_line++;
loc_col = 0;
}
loc_col++;
}
*line = loc_line;
*col = loc_col;
}
/* used by the bison code */
void reset_parencount(yyscan_t yyscanner );