[asterisk-commits] trunk r22869 - in /trunk/pbx/ael: ael.flex
ael_lex.c
asterisk-commits at lists.digium.com
asterisk-commits at lists.digium.com
Thu Apr 27 10:00:10 MST 2006
Author: rizzo
Date: Thu Apr 27 12:00:09 2006
New Revision: 22869
URL: http://svn.digium.com/view/asterisk?rev=22869&view=rev
Log:
add some comments to the code
Modified:
trunk/pbx/ael/ael.flex
trunk/pbx/ael/ael_lex.c
Modified: trunk/pbx/ael/ael.flex
URL: http://svn.digium.com/view/asterisk/trunk/pbx/ael/ael.flex?rev=22869&r1=22868&r2=22869&view=diff
==============================================================================
--- trunk/pbx/ael/ael.flex (original)
+++ trunk/pbx/ael/ael.flex Thu Apr 27 12:00:09 2006
@@ -34,8 +34,8 @@
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 @@
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->first_column=my_col; \
yylloc->last_column=my_col+yyleng-1; \
- yylloc->first_column=my_col; \
my_col+=yyleng; \
} while (0)
%}
@@ -129,8 +136,6 @@
[-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;
}
Modified: trunk/pbx/ael/ael_lex.c
URL: http://svn.digium.com/view/asterisk/trunk/pbx/ael/ael_lex.c?rev=22869&r1=22868&r2=22869&view=diff
==============================================================================
--- trunk/pbx/ael/ael_lex.c (original)
+++ trunk/pbx/ael/ael_lex.c Thu Apr 27 12:00:09 2006
@@ -663,8 +663,8 @@
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
@@ -685,15 +685,22 @@
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->first_column=my_col; \
yylloc->last_column=my_col+yyleng-1; \
- yylloc->first_column=my_col; \
my_col+=yyleng; \
} while (0)
/* %option yylineno I've tried hard, but haven't been able to use this */
-#line 697 "ael_lex.c"
+#line 704 "ael_lex.c"
#define INITIAL 0
#define paren 1
@@ -933,10 +940,10 @@
register int yy_act;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
-#line 83 "ael.flex"
-
-
-#line 940 "ael_lex.c"
+#line 90 "ael.flex"
+
+
+#line 947 "ael_lex.c"
yylval = yylval_param;
@@ -1027,223 +1034,221 @@
case 1:
YY_RULE_SETUP
-#line 85 "ael.flex"
+#line 92 "ael.flex"
{ STORE_POS; return LC;}
YY_BREAK
case 2:
YY_RULE_SETUP
-#line 86 "ael.flex"
+#line 93 "ael.flex"
{ STORE_POS; return RC;}
YY_BREAK
case 3:
YY_RULE_SETUP
-#line 87 "ael.flex"
+#line 94 "ael.flex"
{ STORE_POS; return LP;}
YY_BREAK
case 4:
YY_RULE_SETUP
-#line 88 "ael.flex"
+#line 95 "ael.flex"
{ STORE_POS; return RP;}
YY_BREAK
case 5:
YY_RULE_SETUP
-#line 89 "ael.flex"
+#line 96 "ael.flex"
{ STORE_POS; return SEMI;}
YY_BREAK
case 6:
YY_RULE_SETUP
-#line 90 "ael.flex"
+#line 97 "ael.flex"
{ STORE_POS; return EQ;}
YY_BREAK
case 7:
YY_RULE_SETUP
-#line 91 "ael.flex"
+#line 98 "ael.flex"
{ STORE_POS; return COMMA;}
YY_BREAK
case 8:
YY_RULE_SETUP
-#line 92 "ael.flex"
+#line 99 "ael.flex"
{ STORE_POS; return COLON;}
YY_BREAK
case 9:
YY_RULE_SETUP
-#line 93 "ael.flex"
+#line 100 "ael.flex"
{ STORE_POS; return AMPER;}
YY_BREAK
case 10:
YY_RULE_SETUP
-#line 94 "ael.flex"
+#line 101 "ael.flex"
{ STORE_POS; return BAR;}
YY_BREAK
case 11:
YY_RULE_SETUP
-#line 95 "ael.flex"
+#line 102 "ael.flex"
{ STORE_POS; return EXTENMARK;}
YY_BREAK
case 12:
YY_RULE_SETUP
-#line 96 "ael.flex"
+#line 103 "ael.flex"
{ STORE_POS; return AT;}
YY_BREAK
case 13:
YY_RULE_SETUP
-#line 97 "ael.flex"
+#line 104 "ael.flex"
{/*comment*/}
YY_BREAK
case 14:
YY_RULE_SETUP
-#line 98 "ael.flex"
+#line 105 "ael.flex"
{ STORE_POS; return KW_CONTEXT;}
YY_BREAK
case 15:
YY_RULE_SETUP
-#line 99 "ael.flex"
+#line 106 "ael.flex"
{ STORE_POS; return KW_ABSTRACT;}
YY_BREAK
case 16:
YY_RULE_SETUP
-#line 100 "ael.flex"
+#line 107 "ael.flex"
{ STORE_POS; return KW_MACRO;};
YY_BREAK
case 17:
YY_RULE_SETUP
-#line 101 "ael.flex"
+#line 108 "ael.flex"
{ STORE_POS; return KW_GLOBALS;}
YY_BREAK
case 18:
YY_RULE_SETUP
-#line 102 "ael.flex"
+#line 109 "ael.flex"
{ STORE_POS; return KW_IGNOREPAT;}
YY_BREAK
case 19:
YY_RULE_SETUP
-#line 103 "ael.flex"
+#line 110 "ael.flex"
{ STORE_POS; return KW_SWITCH;}
YY_BREAK
case 20:
YY_RULE_SETUP
-#line 104 "ael.flex"
+#line 111 "ael.flex"
{ STORE_POS; return KW_IF;}
YY_BREAK
case 21:
YY_RULE_SETUP
-#line 105 "ael.flex"
+#line 112 "ael.flex"
{ STORE_POS; return KW_IFTIME;}
YY_BREAK
case 22:
YY_RULE_SETUP
-#line 106 "ael.flex"
+#line 113 "ael.flex"
{ STORE_POS; return KW_RANDOM;}
YY_BREAK
case 23:
YY_RULE_SETUP
-#line 107 "ael.flex"
+#line 114 "ael.flex"
{ STORE_POS; return KW_REGEXTEN;}
YY_BREAK
case 24:
YY_RULE_SETUP
-#line 108 "ael.flex"
+#line 115 "ael.flex"
{ STORE_POS; return KW_HINT;}
YY_BREAK
case 25:
YY_RULE_SETUP
-#line 109 "ael.flex"
+#line 116 "ael.flex"
{ STORE_POS; return KW_ELSE;}
YY_BREAK
case 26:
YY_RULE_SETUP
-#line 110 "ael.flex"
+#line 117 "ael.flex"
{ STORE_POS; return KW_GOTO;}
YY_BREAK
case 27:
YY_RULE_SETUP
-#line 111 "ael.flex"
+#line 118 "ael.flex"
{ STORE_POS; return KW_JUMP;}
YY_BREAK
case 28:
YY_RULE_SETUP
-#line 112 "ael.flex"
+#line 119 "ael.flex"
{ STORE_POS; return KW_RETURN;}
YY_BREAK
case 29:
YY_RULE_SETUP
-#line 113 "ael.flex"
+#line 120 "ael.flex"
{ STORE_POS; return KW_BREAK;}
YY_BREAK
case 30:
YY_RULE_SETUP
-#line 114 "ael.flex"
+#line 121 "ael.flex"
{ STORE_POS; return KW_CONTINUE;}
YY_BREAK
case 31:
YY_RULE_SETUP
-#line 115 "ael.flex"
+#line 122 "ael.flex"
{ STORE_POS; return KW_FOR;}
YY_BREAK
case 32:
YY_RULE_SETUP
-#line 116 "ael.flex"
+#line 123 "ael.flex"
{ STORE_POS; return KW_WHILE;}
YY_BREAK
case 33:
YY_RULE_SETUP
-#line 117 "ael.flex"
+#line 124 "ael.flex"
{ STORE_POS; return KW_CASE;}
YY_BREAK
case 34:
YY_RULE_SETUP
-#line 118 "ael.flex"
+#line 125 "ael.flex"
{ STORE_POS; return KW_DEFAULT;}
YY_BREAK
case 35:
YY_RULE_SETUP
-#line 119 "ael.flex"
+#line 126 "ael.flex"
{ STORE_POS; return KW_PATTERN;}
YY_BREAK
case 36:
YY_RULE_SETUP
-#line 120 "ael.flex"
+#line 127 "ael.flex"
{ STORE_POS; return KW_CATCH;}
YY_BREAK
case 37:
YY_RULE_SETUP
-#line 121 "ael.flex"
+#line 128 "ael.flex"
{ STORE_POS; return KW_SWITCHES;}
YY_BREAK
case 38:
YY_RULE_SETUP
-#line 122 "ael.flex"
+#line 129 "ael.flex"
{ STORE_POS; return KW_ESWITCHES;}
YY_BREAK
case 39:
YY_RULE_SETUP
-#line 123 "ael.flex"
+#line 130 "ael.flex"
{ STORE_POS; return KW_INCLUDES;}
YY_BREAK
case 40:
/* rule 40 can match eol */
YY_RULE_SETUP
-#line 125 "ael.flex"
+#line 132 "ael.flex"
{ my_lineno++; my_col = 0; }
YY_BREAK
case 41:
YY_RULE_SETUP
-#line 126 "ael.flex"
+#line 133 "ael.flex"
{ my_col += yyleng; }
YY_BREAK
case 42:
YY_RULE_SETUP
-#line 127 "ael.flex"
+#line 134 "ael.flex"
{ my_col += 8-(my_col%8); }
YY_BREAK
case 43:
YY_RULE_SETUP
-#line 129 "ael.flex"
+#line 136 "ael.flex"
{
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;
}
@@ -1251,7 +1256,7 @@
case 44:
/* rule 44 can match eol */
YY_RULE_SETUP
-#line 141 "ael.flex"
+#line 146 "ael.flex"
{
yylloc->first_line = my_lineno;
yylloc->first_column=my_col;
@@ -1284,7 +1289,7 @@
case 45:
/* rule 45 can match eol */
YY_RULE_SETUP
-#line 170 "ael.flex"
+#line 175 "ael.flex"
{
char c = yytext[yyleng-1];
yylloc->first_line = my_lineno;
@@ -1298,7 +1303,7 @@
case 46:
/* rule 46 can match eol */
YY_RULE_SETUP
-#line 180 "ael.flex"
+#line 185 "ael.flex"
{
char c = yytext[yyleng-1];
yylloc->first_line = my_lineno;
@@ -1319,7 +1324,7 @@
case 47:
/* rule 47 can match eol */
YY_RULE_SETUP
-#line 197 "ael.flex"
+#line 202 "ael.flex"
{
char c = yytext[yyleng-1];
/* printf("ARGG:%s\n",yytext); */
@@ -1335,7 +1340,7 @@
case 48:
/* rule 48 can match eol */
YY_RULE_SETUP
-#line 209 "ael.flex"
+#line 214 "ael.flex"
{
/* printf("ARGG:%s\n",yytext); */
yylloc->first_line = my_lineno;
@@ -1377,7 +1382,7 @@
case 49:
/* rule 49 can match eol */
YY_RULE_SETUP
-#line 247 "ael.flex"
+#line 252 "ael.flex"
{
/* printf("ARGG:%s\n",yytext); */
if( parencount != 0) {
@@ -1414,7 +1419,7 @@
case 50:
/* rule 50 can match eol */
YY_RULE_SETUP
-#line 280 "ael.flex"
+#line 285 "ael.flex"
{
char c = yytext[yyleng-1];
/*printf("ARGG:%s\n",yytext);*/
@@ -1435,7 +1440,7 @@
case 51:
/* rule 51 can match eol */
YY_RULE_SETUP
-#line 299 "ael.flex"
+#line 304 "ael.flex"
{
char c = yytext[yyleng-1];
/*printf("SEMIC:%s\n",yytext);*/
@@ -1448,7 +1453,7 @@
case 52:
/* rule 52 can match eol */
YY_RULE_SETUP
-#line 308 "ael.flex"
+#line 313 "ael.flex"
{
char c = yytext[yyleng-1];
/*printf("SEMIC:%s\n",yytext);*/
@@ -1469,7 +1474,7 @@
case 53:
/* rule 53 can match eol */
YY_RULE_SETUP
-#line 325 "ael.flex"
+#line 330 "ael.flex"
{
yylloc->first_line = my_lineno;
yylloc->first_column=my_col;
@@ -1488,7 +1493,7 @@
case 54:
/* rule 54 can match eol */
YY_RULE_SETUP
-#line 340 "ael.flex"
+#line 345 "ael.flex"
{
FILE *in1;
char fnamebuf[1024],*p1,*p2;
@@ -1555,7 +1560,7 @@
case YY_STATE_EOF(paren):
case YY_STATE_EOF(semic):
case YY_STATE_EOF(argg):
-#line 402 "ael.flex"
+#line 407 "ael.flex"
{
if ( --include_stack_index < 0 ) {
yyterminate();
@@ -1571,10 +1576,10 @@
YY_BREAK
case 55:
YY_RULE_SETUP
-#line 415 "ael.flex"
+#line 420 "ael.flex"
ECHO;
YY_BREAK
-#line 1578 "ael_lex.c"
+#line 1583 "ael_lex.c"
case YY_END_OF_BUFFER:
{
@@ -2704,7 +2709,7 @@
#define YYTABLES_NAME "yytables"
-#line 415 "ael.flex"
+#line 420 "ael.flex"
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