X-Git-Url: http://git.draconx.ca/gitweb/gob-dx.git/blobdiff_plain/c190a2ae41238682c1430b8482683b6a7c15c66b..ff9fae99fb73d2b2176f1f9a902535edc70de54a:/src/lexer.l

diff --git a/src/lexer.l b/src/lexer.l
index 92454f2..b48e818 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -20,26 +20,51 @@
  */
 %{
 
+#include "config.h"
 #include <glib.h>
+#include <string.h>
+#include <ctype.h>
 
-#include "y.tab.h"
+#include "treefuncs.h"
+#include "parse.h"
+#include "main.h"
+#include "util.h"
 
 static int parenth_depth = 0;
-static int before_comment = INITIAL;
-static int class_after_c = FALSE;
-static int header_c = FALSE;
+static int before_comment
+/* New flex is on drugs */
+#if defined(FLEX_SCANNER) && ! defined(INITIAL)
+	= 0;
+#else
+	= INITIAL;
+#endif
+static gboolean class_after_c = FALSE;
+static int code_type = CCODE;
+static int before_string;
+static int property_paren_depth = 0;
+
+/* GTK+ doc stuff */
+static char *gtk_doc_func = NULL; /* current gtk-doc func */
+GHashTable *gtk_doc_hash = NULL;
 
 static GString *cbuf = NULL;
+int ccode_line = 1;
+
+GList *include_files = NULL;
+/* 0 no, 1 means yes, 2+ means don't even start looking anymore */
+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, "");
 	}
 }
 
@@ -53,73 +78,310 @@ add_to_cbuf(char *s)
 	}
 }
 
+static void
+add_gtk_doc_func(void)
+{
+	if(!gtk_doc_func)
+		return;
+
+	if(!gtk_doc_hash)
+		gtk_doc_hash = g_hash_table_new(g_str_hash, g_str_equal);
+	g_hash_table_insert(gtk_doc_hash, gtk_doc_func, g_strdup(cbuf->str));
+	clear_cbuf();
+
+	gtk_doc_func = NULL;
+}
+
+/* Ugly warning avoiding */
+#ifdef FLEX_SCANNER
+int yylex(void);
+#endif
+
 %}
 
 %x COMMENT
 %x C_CODE
-%x C_CODE_STRING
+%x CODE_STRING
 %x CLASS_CODE
 %x CLASS_CODE_I
+%x PROPERTY_CODE
+%x PROPERTY_CODE_I
+%x GTK_DOC_BEFORE_NAME
+%x GTK_DOC
+%x GTK_DOC_LINE
+
+
 
 %%
 
+%{
+/* Avoid warning from flex, cuz flex sucks */
+#ifdef FLEX_SCANNER
+yy_current_state = 0;
+#endif
+%}
+
+
 <*>\n			{ line_no++; 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*/ }
-<C_CODE>\/\/.*$		{ ; /*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;
+		char *file;
+		char *str = g_strdup(yytext);
+		file = strchr(str,'"');
+		if(!file) file = strchr(str,'<');
+		file++;
+		p = strchr(file,'"');
+		if(!p) p = strchr(file,'>');
+		*p = '\0';
+		include_files = g_list_prepend(include_files,g_strdup(file));
+		g_free(str);
+	}
+	REJECT;
+}
+
+<CLASS_CODE_I>\/\*\*[ \t]*$	{
+			/* eat out gtk doc stuff */
+			BEGIN(GTK_DOC_BEFORE_NAME);
+			clear_cbuf();
+		}
+<GTK_DOC_BEFORE_NAME>^[ \t]*\*[ \t]*$ 	{
+			/* empty doc lines */
+			;
+		}	
+<GTK_DOC_BEFORE_NAME>^[ \t]*\*\ [_a-zA-Z][_a-zA-Z0-9]*:?[ \t]*$	{
+			char *p;
+			BEGIN(GTK_DOC);
+			p = strchr(yytext, '*');
+			g_free(gtk_doc_func);
+			gtk_doc_func = g_strdup(p+2);
+			p = strchr(gtk_doc_func, ':');
+			if(p) *p='\0';
+			g_strstrip(gtk_doc_func);
+		}
+<GTK_DOC_BEFORE_NAME>\*\/	{
+			BEGIN(CLASS_CODE_I);
+		}
+<GTK_DOC_BEFORE_NAME>.	{
+			BEGIN(COMMENT);
+			before_comment = CLASS_CODE_I;
+		}
+<GTK_DOC>^[ \t]*\*[ \t]*$ 	{
+			/* empty doc lines */
+			add_to_cbuf(" *\n");
+		}	
+<GTK_DOC>^[ \t]*\*?\*\/	{
+			BEGIN(CLASS_CODE_I);
+			add_gtk_doc_func();
+		}
+<GTK_DOC>^[ \t]*\*[ \t]	{
+			fflush(stdout);
+			add_to_cbuf(" * ");
+			BEGIN(GTK_DOC_LINE);
+		}
+<GTK_DOC>\*\/	{
+			BEGIN(CLASS_CODE_I);
+		}
+<GTK_DOC>.	{
+			BEGIN(COMMENT);
+			before_comment = CLASS_CODE_I;
+		}
+<GTK_DOC_LINE>\*\/	{
+			BEGIN(CLASS_CODE_I);
+			add_to_cbuf("\n");
+			add_gtk_doc_func();
+		}
+<GTK_DOC_LINE>.$	{
+			BEGIN(GTK_DOC);
+			add_to_cbuf(yytext);
+			add_to_cbuf("\n");
+		}
+<GTK_DOC_LINE>.	{
+			fflush(stdout);
+			add_to_cbuf(yytext);
+		}
+
+<C_CODE>\/\/.*$		{ add_to_cbuf(yytext); /*comment, ignore*/ }
 <CLASS_CODE>\/\/.*$	{ ; /*comment, ignore*/ }
 <CLASS_CODE_I>\/\/.*$	{ ; /*comment, ignore*/ }
+<PROPERTY_CODE_I>\/\/.*$	{ ; /*comment, ignore*/ }
 \/\*		{BEGIN(COMMENT); before_comment = INITIAL; }
-<C_CODE>\/\*	{BEGIN(COMMENT); before_comment = C_CODE; }
+<C_CODE>\/\*	{
+	add_to_cbuf(yytext);
+	BEGIN(COMMENT);
+	before_comment = C_CODE;
+}
 <CLASS_CODE>\/\*	{BEGIN(COMMENT); before_comment = CLASS_CODE; }
 <CLASS_CODE_I>\/\*	{BEGIN(COMMENT); before_comment = CLASS_CODE_I; }
-<COMMENT>\*\/	{BEGIN(before_comment);}
-<COMMENT>.	{ ; /* comment, ignore */ }
+<PROPERTY_CODE_I>\/\*	{BEGIN(COMMENT); before_comment = PROPERTY_CODE_I; }
+<COMMENT>\*\/	{
+	if(before_comment == C_CODE) add_to_cbuf(yytext);
+	BEGIN(before_comment);
+		}
+<COMMENT>.	{
+	/* comment, ignore */
+	if(before_comment == C_CODE) add_to_cbuf(yytext);
+		}
+<COMMENT>\n	{
+	/* comment, ignore */
+	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;
+		}
 
-^\%h\{		{
+^\%(ht|headertop)\{		{
+			BEGIN(C_CODE);
+			parenth_depth = 1;
+			class_after_c = FALSE;
+			code_type = HTCODE;
+			clear_cbuf();
+			ccode_line = line_no;
+		}
+^\%(ph|privateheader)\{		{
+			BEGIN(C_CODE);
+			parenth_depth = 1;
+			class_after_c = FALSE;
+			code_type = PHCODE;
+			clear_cbuf();
+			ccode_line = line_no;
+		}
+^\%(h|header)\{		{
 			BEGIN(C_CODE);
 			parenth_depth = 1;
 			class_after_c = FALSE;
-			header_c = TRUE;
+			code_type = HCODE;
 			clear_cbuf();
+			ccode_line = line_no;
 		}
 ^\%\{		{
 			BEGIN(C_CODE);
 			parenth_depth = 1;
 			class_after_c = FALSE;
-			header_c = FALSE;
+			code_type = CCODE;
 			clear_cbuf();
+			ccode_line = line_no;
+			if(look_for_includes==0)
+				look_for_includes=1;
 		}
 <C_CODE>^\%\}	{
 			BEGIN(INITIAL);
 			yylval.cbuf = cbuf;
 			cbuf = NULL;
-			if(header_c)
-				return HCODE;
-			else
-				return CCODE;
+			if(look_for_includes==1)
+				look_for_includes=0;
+			return code_type;
 		}
 
 <C_CODE>\'\{\'		{ add_to_cbuf(yytext); }
 <C_CODE>\'\\\{\'	{ add_to_cbuf(yytext); }
 <C_CODE>\'\}\'		{ add_to_cbuf(yytext); }
 <C_CODE>\'\\\}\'	{ add_to_cbuf(yytext); }
+<C_CODE>\'\"\'		{ add_to_cbuf(yytext); }
+<C_CODE>\'\\\"\'	{ add_to_cbuf(yytext); }
 	
 <C_CODE>\\.	{ add_to_cbuf(yytext); }
+
+
 <C_CODE>\"	{
-			BEGIN(C_CODE_STRING);
+			BEGIN(CODE_STRING);
+			before_string = C_CODE;
 			add_to_cbuf(yytext);
 		}
-<C_CODE_STRING>\\.	{
-				add_to_cbuf(yytext);
-			}
-<C_CODE_STRING>\"	{
-				BEGIN(C_CODE);
-				add_to_cbuf(yytext);
-			}
-<C_CODE_STRING>.	{
-				add_to_cbuf(yytext);
+<PROPERTY_CODE_I>\"	{
+			BEGIN(CODE_STRING);
+			before_string = PROPERTY_CODE_I;
+			add_to_cbuf(yytext);
+		}
+<CODE_STRING>\\.	{ add_to_cbuf(yytext); }
+<CODE_STRING>\"	{
+			BEGIN(before_string);
+			add_to_cbuf(yytext);
+			if (before_string == PROPERTY_CODE_I) {
+				yylval.id = cbuf->str;
+				g_string_free (cbuf, FALSE);
+				cbuf = NULL;
+				return STRING;
 			}
+		}
+<CODE_STRING>.	{ add_to_cbuf(yytext); }
+<CODE_STRING>\n	{ add_to_cbuf(yytext); }
 
 <C_CODE>\{	{
 			parenth_depth++;
@@ -142,49 +404,172 @@ add_to_cbuf(char *s)
 <C_CODE>\n	{ add_to_cbuf(yytext); }
 
 class		{
+			static int found_classes = 0;
+			look_for_includes = 2;
 			BEGIN(CLASS_CODE);
+
+			if(++found_classes > 1) {
+				error_print(GOB_ERROR, line_no,
+					    "Only one class per file allowed");
+			}
+
 			return CLASS;
 		}
 
+error		{ return ERROR; }
+enum		{ return ENUM; }
+flags		{ return FLAGS; }
+
+^[ \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)) {
+				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",
+					     effective_maj, VERSION);
+			}
+
+		}
+
+<CLASS_CODE,CLASS_CODE_I>class|this	{
+			if(for_cpp) {
+				error_printf(GOB_WARN, line_no,
+					     "'%s' keyword should not "
+					     "be used when generating "
+					     "C++ code", yytext);
+			}
+			REJECT;
+		}
+
 <CLASS_CODE>from	{return FROM;}
 
-<CLASS_CODE_I>void	{return VOID;}
-<CLASS_CODE_I>struct	{return STRUCT;}
-<CLASS_CODE_I>union	{return UNION;}
-<CLASS_CODE_I>enum	{return ENUM;}
-<CLASS_CODE_I>signed	{return SIGNED;}
-<CLASS_CODE_I>unsigned	{return UNSIGNED;}
-<CLASS_CODE_I>long	{return LONG;}
-<CLASS_CODE_I>short	{return SHORT;}
-<CLASS_CODE_I>int	{return INT;}
-<CLASS_CODE_I>float	{return FLOAT;}
-<CLASS_CODE_I>double	{return DOUBLE;}
-<CLASS_CODE_I>char	{return CHAR;}
+<CLASS_CODE_I,PROPERTY_CODE_I>void	{return VOID;}
+<CLASS_CODE_I,PROPERTY_CODE_I>struct	{return STRUCT;}
+<CLASS_CODE_I,PROPERTY_CODE_I>union	{return UNION;}
+<CLASS_CODE_I,PROPERTY_CODE_I>enum	{return ENUM;}
+<CLASS_CODE_I,PROPERTY_CODE_I>signed	{return SIGNED;}
+<CLASS_CODE_I,PROPERTY_CODE_I>unsigned	{return UNSIGNED;}
+<CLASS_CODE_I,PROPERTY_CODE_I>long	{return LONG;}
+<CLASS_CODE_I,PROPERTY_CODE_I>short	{return SHORT;}
+<CLASS_CODE_I,PROPERTY_CODE_I>int	{return INT;}
+<CLASS_CODE_I,PROPERTY_CODE_I>float	{return FLOAT;}
+<CLASS_CODE_I,PROPERTY_CODE_I>double	{return DOUBLE;}
+<CLASS_CODE_I,PROPERTY_CODE_I>char	{return CHAR;}
+<CLASS_CODE_I,PROPERTY_CODE_I>const	{return CONST;}
+
+<CLASS_CODE_I>\.\.\.	{return THREEDOTS;}
 
 <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>last	{return LAST;}
-<CLASS_CODE_I>first	{return FIRST;}
 <CLASS_CODE_I>override	{yylval.line = line_no; return OVERRIDE;}
-<CLASS_CODE_I>check	{return CHECK;}
-<CLASS_CODE_I>null	{return CNULL;}
-<CLASS_CODE_I>type	{return TYPE;}
-<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_I>property	{
+				yylval.line = line_no;
+				BEGIN(PROPERTY_CODE);
+				return PROPERTY;
+			}
+<PROPERTY_CODE_I>nick	{ yylval.line = line_no; return NICK; }
+<PROPERTY_CODE_I>blurb	{ yylval.line = line_no; return BLURB; }
+<PROPERTY_CODE_I>maximum	{ yylval.line = line_no; return MAXIMUM; }
+<PROPERTY_CODE_I>minimum	{ yylval.line = line_no; return MINIMUM; }
+<PROPERTY_CODE_I>default_value	{ yylval.line = line_no; return DEFAULT_VALUE; }
+<PROPERTY_CODE_I>flags	{ yylval.line = line_no; return FLAGS; }
+<PROPERTY_CODE_I>type	{ yylval.line = line_no; return TYPE; }
+<PROPERTY_CODE_I>flags_type	{ yylval.line = line_no; return FLAGS_TYPE; }
+<PROPERTY_CODE_I>enum_type	{ yylval.line = line_no; return ENUM_TYPE; }
+<PROPERTY_CODE_I>param_type	{ yylval.line = line_no; return PARAM_TYPE; }
+<PROPERTY_CODE_I>boxed_type	{ yylval.line = line_no; return BOXED_TYPE; }
+<PROPERTY_CODE_I>object_type	{ yylval.line = line_no; return OBJECT_TYPE; }
+<PROPERTY_CODE>[(]	{
+		yylval.line = line_no;
+		property_paren_depth = 1;
+		BEGIN(PROPERTY_CODE_I);
+		return '(';
+			}
+<PROPERTY_CODE_I>[(]	{
+		yylval.line = line_no;
+		property_paren_depth++;
+		return '(';
+			}
+<PROPERTY_CODE_I>[)]	{
+		yylval.line = line_no;
+		property_paren_depth--;
+		if (property_paren_depth == 0) {
+			BEGIN(CLASS_CODE_I);
+		}
+		return ')';
+			}
+
+<CLASS_CODE,CLASS_CODE_I,PROPERTY_CODE,PROPERTY_CODE_I,INITIAL>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,PROPERTY_CODE,PROPERTY_CODE_I,INITIAL>[A-Za-z_][A-Za-z0-9_]*(::[A-Za-z0-9_]*)+	{
+			/* This is cpp kind of token thingie */
+			if (for_cpp) {
+				yylval.id = g_strdup(yytext);
+				return TOKEN;
+			} else {
+				REJECT;
+			}
+		}
+<CLASS_CODE,CLASS_CODE_I,PROPERTY_CODE,PROPERTY_CODE_I,INITIAL>[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,PROPERTY_CODE,PROPERTY_CODE_I,INITIAL>:[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;
 		}
-<CLASS_CODE,CLASS_CODE_I>[A-Za-z_][A-Za-z0-9_]*	{
+<CLASS_CODE,CLASS_CODE_I,PROPERTY_CODE,PROPERTY_CODE_I,INITIAL>[A-Za-z_][A-Za-z0-9_]*	{
 			yylval.id = g_strdup(yytext);
 			return TOKEN;
 		}
+<CLASS_CODE,CLASS_CODE_I,PROPERTY_CODE,PROPERTY_CODE_I,INITIAL>\'\\.\'|\'.\'	{
+			yylval.id = g_strdup(yytext);
+			return SINGLE_CHAR;
+		}
+
+<CLASS_CODE_I>(\[[0-9]*\]|\[[A-Za-z_][A-Za-z0-9_]*\])+	{
+			yylval.id = g_strdup(yytext);
+			return ARRAY_DIM;
+		}
 
 <CLASS_CODE>\{	{
 			BEGIN(CLASS_CODE_I);
@@ -194,6 +579,9 @@ class		{
 			BEGIN(C_CODE);
 			parenth_depth=1;
 			class_after_c = TRUE;
+			yylval.line = line_no;
+			clear_cbuf();
+			ccode_line = line_no;
 			return '{';
 		}
 <CLASS_CODE_I>\}	{
@@ -201,9 +589,13 @@ class		{
 				return '}';
 			}
 
-<CLASS_CODE,CLASS_CODE_I,INITIAL>[\n\t ]	;  /*ignore*/
+<CLASS_CODE,CLASS_CODE_I,INITIAL,PROPERTY_CODE,PROPERTY_CODE_I>[\f\t ]	;  /*ignore*/
 
 <*>.		{
 			yylval.line = line_no;
 			return yytext[0];
 		}
+
+<*>[\n\r]	;  /*ignore*/
+
+%%