Alexandre Julliard : wrc: Strip C code based on the name of the include file.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 549351ab09c2173d067b3a6eeee5b45bf6098ca6
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=549351ab09c2173d067b3a6eee...

Author: Alexandre Julliard 
Date:   Thu Jun 28 14:10:07 2007 +0200

wrc: Strip C code based on the name of the include file.

Get rid of the old C code stripping support that wasn't used anymore.

---

tools/wrc/parser.l |   74 +++++++++++----------------------------------------
 1 files changed, 16 insertions(+), 58 deletions(-)

diff --git a/tools/wrc/parser.l b/tools/wrc/parser.l
index f9034a5..4b0a7db 100644
--- a/tools/wrc/parser.l
+++ b/tools/wrc/parser.l
@@ -76,10 +76,7 @@
 /* Exclusive comment eating... */
 %x comment
 /* Set when stripping c-junk */
-%x pp_stripe
-%x pp_strips
-%x pp_stripp
-%x pp_stripp_final
+%x pp_cstrip
 /* Set when scanning #line style directives */
 %x pp_line
 /* Set when scanning #pragma */
@@ -87,7 +84,7 @@
 %x pp_code_page

%option stack
-%option nounput noyy_top_state
+%option nounput noyy_top_state noyywrap
 %option 8bit never-interactive
 %option prefix="parser_"

@@ -128,9 +125,6 @@ static int cbufalloc = 0;
 static WCHAR *wbuffer;
 static int wbufidx;
 static int wbufalloc = 0;
-static int stripslevel = 0;	/* Count {} during pp_strips/pp_stripe mode */
-static int stripplevel = 0;	/* Count () during pp_strips mode */
-static int cjunk_tagline;	/* Where did we start stripping (helps error tracking) */

static int current_codepage = -1;  /* use language default */

@@ -321,10 +315,10 @@ static struct keyword *iskeyword(char *kw)
     * because we only want to know the linenumber and
     * filename.
     */
-<INITIAL,pp_strips,pp_stripp>^{ws}*#{ws}*pragma{ws}+	yy_push_state(pp_pragma);
-<INITIAL,pp_strips,pp_stripp>^{ws}*#{ws}*	yy_push_state(pp_line);
+<INITIAL,pp_cstrip>^{ws}*#{ws}*pragma{ws}+	yy_push_state(pp_pragma);
+<INITIAL,pp_cstrip>^{ws}*#{ws}*	yy_push_state(pp_line);
 <pp_line>[^\n]*	{
-		int lineno;
+		int lineno, len;
    	char *cptr;
    	char *fname;
    	yy_pop_state();
@@ -341,6 +335,12 @@ static struct keyword *iskeyword(char *kw)
    	*cptr = '\0';
    	line_number = lineno - 1;	/* We didn't read the newline */
    	input_name = xstrdup(fname);
+                /* ignore contents of C include files */
+                len = strlen(input_name);
+                if (len > 1 && !strcasecmp( input_name + len - 2, ".h" ))
+                    BEGIN(pp_cstrip);
+                else
+                    BEGIN(INITIAL);
    }

<pp_pragma>code_page[^\n]*	yyless(9); yy_pop_state(); yy_push_state(pp_code_page);
@@ -366,30 +366,8 @@ static struct keyword *iskeyword(char *kw)
     * into account braces {} for structures,
     * classes and enums.
     */
-<pp_strips>{			stripslevel++;
-<pp_strips>}			stripslevel--;
-<pp_strips>;			if(!stripslevel) yy_pop_state();
-<pp_strips>/[^*\n]		; /* To catch comments */
-<pp_strips>[^{};\n#/]*	; /* Ignore rest */
-<pp_strips>\n			line_number++; char_number = 1;
-
-<pp_stripp>(			stripplevel++;
-<pp_stripp>)			{
-					stripplevel--;
-					if(!stripplevel)
-					{
-						yy_pop_state();
-						yy_push_state(pp_stripp_final);
-					}
-				}
-<pp_stripp>/[^*\n]		; /* To catch comments */
-<pp_stripp>[^();\n#/]*	; /* Ignore rest */
-<pp_stripp>\n			line_number++; char_number = 1;
-
-<pp_stripp_final>{ws}*		; /* Ignore */
-<pp_stripp_final>;		yy_pop_state(); /* Kill the semicolon */
-<pp_stripp_final>\n		line_number++; char_number = 1; yy_pop_state();
-<pp_stripp_final>.		yyless(0); yy_pop_state();
+<pp_cstrip>\n			line_number++; char_number = 1;
+<pp_cstrip>.			; /* ignore */

{			return tBEGIN;
 }			return tEND;
@@ -546,7 +524,7 @@ L"			{
     * Comment stripping
     * Should never occur after preprocessing
     */
-<INITIAL,pp_stripp,pp_strips>"/*"	{
+<INITIAL,pp_cstrip>"/*"	{
    			yy_push_state(comment);
    			save_wanted_id = wanted_id;
    			if(!no_preprocess)
@@ -574,13 +552,6 @@ L"			{

<INITIAL>.		return yytext[0];

-<<EOF>>			{
-				if(YY_START == pp_strips || YY_START == pp_stripe || YY_START == pp_stripp || YY_START == pp_stripp_final)
-					parser_error("Unexpected end of file during c-junk scanning (started at %d)", cjunk_tagline);
-				else
-					yyterminate();
-			}
-
 <*>.|\n			{
    			/* Catch all rule to find any unmatched text */
    			if(*yytext == '\n')
@@ -588,25 +559,12 @@ L"			{
    				line_number++;
    				char_number = 1;
    			}
-				parser_warning("Unmatched text '%c' (0x%02x) YY_START=%d stripslevel=%d",
-					isprint(*yytext & 0xff) ? *yytext : '.', *yytext, YY_START,stripslevel);
+				parser_warning("Unmatched text '%c' (0x%02x) YY_START=%d",
+					isprint(*yytext & 0xff) ? *yytext : '.', *yytext, YY_START);
    		}

%%

-#ifndef parser_wrap
-int parser_wrap(void)
-{
-#if 0
-	if(bufferstackidx > 0)
-	{
-		return 0;
- 	}
-#endif
-	return 1;
-}
-#endif
-
 /* These dup functions copy the enclosed '\0' from
  * the resource string.
  */