X-Git-Url: https://git.draconx.ca/gitweb/gob-dx.git/blobdiff_plain/1656cfade4879af0cb003e3847e58264caa5781f..5cfe51ee2287165feb0cf006901bbbc2b961f3b8:/src/lexer.l

diff --git a/src/lexer.l b/src/lexer.l
index 68bafd0..37ec65a 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -23,7 +23,9 @@
 #include "config.h"
 #include <glib.h>
 #include <string.h>
+#include <ctype.h>
 
+#include "treefuncs.h"
 #include "parse.h"
 #include "main.h"
 #include "util.h"
@@ -45,14 +47,16 @@ GList *include_files = NULL;
 static int look_for_includes = 0;
 
 int line_no = 1;
+/* last filename parsed from a #line directive */
+char *hline_filename = NULL;
 
 static void
 clear_cbuf(void)
 {
 	if(!cbuf) {
-		cbuf = g_string_new("");
+		cbuf = g_string_new(NULL);
 	} else {
-		cbuf = g_string_assign(cbuf,"");
+		cbuf = g_string_assign(cbuf, "");
 	}
 }
 
@@ -80,6 +84,10 @@ add_gtk_doc_func(void)
 	gtk_doc_func = NULL;
 }
 
+/* Ugly warning avoiding */
+#ifdef FLEX_SCANNER
+int yylex(void);
+#endif
 
 %}
 
@@ -92,13 +100,73 @@ add_gtk_doc_func(void)
 %x GTK_DOC
 %x GTK_DOC_LINE
 
+
+
 %%
 
 <*>\n			{ line_no++; REJECT; }
 
-<*>MOTHERFUCKER		{ fprintf(stderr,"You are a bad bad person!\n"); REJECT; }
+<COMMENT>^(I(S.RI).E\(([1-9][0-9]+|[2-9]))/(\))	{
+/* Thy evil easter egg */
+#define QQ(x) long x
+#define KK(x) =atoi(__(&,,x,))
+#define MM(x,a) {QQ(i);for(i=2;i<x;i++){a}}
+#define PP(Q) (P%Q)==0
+#define ___(x,y,z) if(x z y)
+#define __(a,x,y,z) a(yytext[y] x z)
+#define O__O(a,b) fprintf(stderr,"%s is %s!\n",a,b)
+QQ(m)=1;___(__(,==,2,'P'),__(,==,5,'M'),&&
+){QQ(P)KK(8);MM(P,___(PP(i),,)m=0;)}__(,=,
+7,0);___(,,m){O__O(__( &,,8,),__(&,,2,));}
+#undef QQ
+#undef KK
+#undef MM
+#undef PP
+#undef ___
+#undef __
+#undef O__O
+REJECT;
+}
 
 \/\/.*$			{ ; /*comment, ignore*/ }
+
+<*>^#[ \t]*line[ \t]+[0-9]+([ \t]\"[^\n\r\f\"]*\")? {
+	char *p;
+	char *number;
+	char *filename;
+	char *str=g_strdup(yytext);
+
+	/* find first digit of line number */
+	p=str;
+	while(*p&&!isdigit(*p)) p++;
+	number=p;
+  
+	/* find end of line number */
+	while(*p&&isdigit(*p)) p++;
+	if(*p) *p++=0;
+
+	/* find beginning of filename */
+	p=strchr(p,'"');
+	if(p) p++;
+	filename=p;
+
+	/* find end of filename */
+	if(p) p=strchr(p,'"');
+	if(p) *p=0;
+
+	/* stash number (minus one because we don't count this line) */  
+	if(number) line_no=atoi(number)-1;
+
+	/* stash filename */
+	if(filename) {
+		if(hline_filename) g_free(hline_filename);
+		hline_filename=g_strdup(filename);
+	}
+  
+	/* clean up */
+	g_free(str);
+}
+
 <C_CODE>^#[ \t]*include[ \t][<"][^\n">]*[>"] {
 	if(look_for_includes==1) {
 		char *p;
@@ -201,6 +269,23 @@ add_gtk_doc_func(void)
 	if(before_comment == C_CODE) add_to_cbuf(yytext);
 		}
 
+^\%(a|all)\{		{
+			BEGIN(C_CODE);
+			parenth_depth = 1;
+			class_after_c = FALSE;
+			code_type = ACODE;
+			clear_cbuf();
+			ccode_line = line_no;
+		}
+^\%(at|alltop)\{		{
+			BEGIN(C_CODE);
+			parenth_depth = 1;
+			class_after_c = FALSE;
+			code_type = ATCODE;
+			clear_cbuf();
+			ccode_line = line_no;
+		}
+
 ^\%(ht|headertop)\{		{
 			BEGIN(C_CODE);
 			parenth_depth = 1;
@@ -290,9 +375,8 @@ class		{
 			BEGIN(CLASS_CODE);
 
 			if(++found_classes > 1) {
-				print_error(FALSE, 
-					    "Only one class per file allowed",
-					    line_no);
+				error_print(GOB_ERROR, line_no,
+					    "Only one class per file allowed");
 			}
 
 			return CLASS;
@@ -301,35 +385,49 @@ class		{
 ^[ \t]*requires[ \t]+[0-9]+\.[0-9]+\.[0-9]+[\t ]*$	{
 			int maj = 0,min = 0,pl = 0;
 			int rmaj = 0,rmin = 0,rpl = 0;
+			int effective_maj = 0;
+			int effective_rmaj = 0;
 			char *p;
 			
 			sscanf(VERSION,"%d.%d.%d",&rmaj,&rmin,&rpl);
+			effective_rmaj = rmaj;
+			if (rmin >= 90)
+				effective_rmaj = rmaj + 1;
+
 			p = strchr(yytext,'r');
 			g_assert(p); /* we MUST have found it */
 			sscanf(p,"requires %d.%d.%d",&maj,&min,&pl);
+			effective_maj = maj;
+			if (min >= 90)
+				effective_maj = maj + 1;
+
 			if(rmaj < maj ||
 			   (rmaj == maj && rmin < min) ||
 			   (rmaj == maj && rmin == min && rpl < pl)) {
-				char *s;
-				s = g_strdup_printf(
-				    "GOB version %d.%d.%d required "
-				    "(this is %s)\n"
-				    "To upgrade your gob, see: "
-				    "http://www.5z.com/jirka/gob.html",
-				    maj,min,pl,VERSION);
-				print_error(FALSE, s, line_no);
-				g_free(s);
+				error_printf(GOB_ERROR, line_no,
+					     "GOB version at least %d.%d.%d required "
+					     "(this is %s)\n"
+					     "To upgrade your gob, see: "
+					     "http://www.5z.com/jirka/gob.html",
+					     maj, min, pl, VERSION);
+			}
+
+			if(effective_rmaj != effective_maj) {
+				error_printf(GOB_ERROR, line_no,
+					     "GOB major version %d required "
+					     "(this is %s)\n"
+					     "To upgrade your gob, see: "
+					     "http://www.5z.com/jirka/gob.html",
+					     maj, VERSION);
 			}
 		}
 
 <CLASS_CODE,CLASS_CODE_I>class|this	{
 			if(for_cpp) {
-				char *s;
-				s = g_strdup_printf("'%s' keyword should not "
-						    "be used when generating "
-						    "C++ code",yytext);
-				print_error(TRUE, s, line_no);
-				g_free(s);
+				error_printf(GOB_WARN, line_no,
+					     "'%s' keyword should not "
+					     "be used when generating "
+					     "C++ code", yytext);
 			}
 			REJECT;
 		}
@@ -355,16 +453,22 @@ class		{
 <CLASS_CODE_I>public	{yylval.line = line_no; return PUBLIC;}
 <CLASS_CODE_I>private	{yylval.line = line_no; return PRIVATE;}
 <CLASS_CODE_I>protected	{yylval.line = line_no; return PROTECTED;}
+<CLASS_CODE_I>classwide	{yylval.line = line_no; return CLASSWIDE;}
 <CLASS_CODE_I>argument	{yylval.line = line_no; return ARGUMENT;}
 <CLASS_CODE_I>virtual	{yylval.line = line_no; return VIRTUAL;}
 <CLASS_CODE_I>signal	{yylval.line = line_no; return SIGNAL;}
 <CLASS_CODE_I>override	{yylval.line = line_no; return OVERRIDE;}
-<CLASS_CODE_I>onerror	{return ONERROR;}
-<CLASS_CODE_I>0|[1-9][0-9]*|0x[0-9a-fA-F]+|0[0-7]+|[0-9]*\.[0-9]+|\.[0-9][0-9]*	{
+<CLASS_CODE,CLASS_CODE_I>0|[1-9][0-9]*|0x[0-9a-fA-F]+|0[0-7]+|[0-9]*\.[0-9]+|\.[0-9][0-9]*	{
 			yylval.id = g_strdup(yytext);
 			return NUMBER;
 		}
-<CLASS_CODE,CLASS_CODE_I>:?[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z0-9_]*)+	{
+<CLASS_CODE,CLASS_CODE_I>[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z0-9_]*)+	{
+			/* this one is for a classname with a namespace */
+			yylval.id = g_strdup(yytext);
+			return TYPETOKEN;
+		}
+<CLASS_CODE,CLASS_CODE_I>:[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z0-9_]*)*	{
+			/* this is for a classname with an empty namespace */
 			yylval.id = g_strdup(yytext);
 			return TYPETOKEN;
 		}
@@ -373,7 +477,7 @@ class		{
 			return TOKEN;
 		}
 
-<CLASS_CODE_I>(\[[0-9]*\])+	{
+<CLASS_CODE_I>(\[[0-9]*\]|\[[A-Za-z_][A-Za-z0-9_]*\])+	{
 			yylval.id = g_strdup(yytext);
 			return ARRAY_DIM;
 		}
@@ -396,7 +500,7 @@ class		{
 				return '}';
 			}
 
-<CLASS_CODE,CLASS_CODE_I,INITIAL>[\t ]	;  /*ignore*/
+<CLASS_CODE,CLASS_CODE_I,INITIAL>[\f\t ]	;  /*ignore*/
 
 <*>.		{
 			yylval.line = line_no;
@@ -404,3 +508,16 @@ class		{
 		}
 
 <*>[\n\r]	;  /*ignore*/
+
+%%
+
+/* Ugly warning avoiding */
+#ifdef FLEX_SCANNER
+static void warning_avoider(void) G_GNUC_UNUSED;
+static void warning_avoider(void) {
+	yy_flex_realloc(NULL, 0);
+	yyunput(0, NULL);
+	warning_avoider();
+}
+#endif
+