add some comments to the code

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@22869 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-04-27 17:00:09 +00:00
parent 7422c5495b
commit e51725d6d4
2 changed files with 81 additions and 71 deletions

View File

@@ -34,8 +34,8 @@ static int pbcpos = 0;
static int parencount = 0;
static int commaout = 0;
static int my_lineno = 1;
static int my_col = 0;
static int my_lineno = 1; /* current line in the source */
static int my_col = 0; /* current column in the source */
char *my_file = 0; /* used also in the bison code */
char *prev_word;
#define MAX_INCLUDE_DEPTH 50
@@ -56,10 +56,17 @@ struct stackelement {
static struct stackelement include_stack[MAX_INCLUDE_DEPTH];
static int include_stack_index = 0;
/*
* if we use the @n feature of bison, we must supply the start/end
* location of tokens in the structure pointed by yylloc.
* Simple tokens are just assumed to be on the same line, so
* the line number is constant, and the column is incremented
* by the length of the token.
*/
#define STORE_POS do { \
yylloc->first_line = yylloc->last_line = my_lineno; \
yylloc->last_column=my_col+yyleng-1; \
yylloc->first_column=my_col; \
yylloc->last_column=my_col+yyleng-1; \
my_col+=yyleng; \
} while (0)
%}
@@ -129,8 +136,6 @@ includes { STORE_POS; return KW_INCLUDES;}
[-a-zA-Z0-9'"_/.\<\>\*\+!$#\[\]][-a-zA-Z0-9'"_/.!\*\+\<\>\{\}$#\[\]]* {
STORE_POS;
yylval->str = strdup(yytext);
/* printf("\nGot WORD %s[%d][%d:%d]\n",
yylval->str, my_lineno ,yylloc->first_column,yylloc->last_column ); */
prev_word = yylval->str;
return word;
}