X-Git-Url: http://git.draconx.ca/gitweb/gob-dx.git/blobdiff_plain/774037b15064dcc6e4995c0bba3b24abb1bde35f..3b10bbd3a88d6e16146414d91d06bb2f36347bfc:/src/parse.y

diff --git a/src/parse.y b/src/parse.y
index c2c4253..d0b56fe 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -27,11 +27,10 @@
 
 #include "tree.h"
 #include "main.h"
+#include "util.h"
 
 #define _(x) (x)
 	
-extern char *filename;
-	
 GList *nodes = NULL;
 
 static GList *class_nodes = NULL;
@@ -44,6 +43,13 @@ static GList *checks = NULL;
 static int has_self = FALSE;
 static int vararg = FALSE;
 
+/* destructor and initializer for variables */
+static char *destructor = NULL;
+static int destructor_line = 0;
+static gboolean destructor_simple = TRUE;
+static char *initializer = NULL;
+static int initializer_line = 0;
+
 static GList *gtktypes = NULL;
 
 /* this can be a global as we will only do one function at a time
@@ -99,13 +105,17 @@ push_variable(char *name, int scope, int line_no, char *postfix)
 
 	type->postfix = postfix;
 	
-	var = new_variable(scope,type,name,line_no);
+	var = new_variable(scope, type, name, line_no,
+			   destructor, destructor_line,
+			   destructor_simple,
+			   initializer, initializer_line);
 	class_nodes = g_list_append(class_nodes, var);
 }
 
 static void
 push_function(int scope, int method, char *oid, char *id, char *onerror,
-	      GString *cbuf,int line_no, int ccode_line, int vararg)
+	      GString *cbuf, int line_no, int ccode_line, gboolean vararg,
+	      GList *flags)
 {
 	Node *node;
 	Type *type;
@@ -139,8 +149,9 @@ push_function(int scope, int method, char *oid, char *id, char *onerror,
 	} else
 		c_cbuf = NULL;
 
-	node = new_method(scope,method,type,oid,gtktypes,id,funcargs,
-			  onerror,c_cbuf,line_no,ccode_line,vararg);
+	node = new_method(scope, method, type, oid, gtktypes, flags,
+			  id, funcargs, onerror, c_cbuf, line_no,
+			  ccode_line, vararg);
 
 	if(cbuf)
 		g_string_free(cbuf,
@@ -197,6 +208,29 @@ push_self(char *id)
 	funcargs = g_list_prepend(funcargs, node);
 }
 
+static Variable *
+find_var_or_die(const char *id, int line)
+{
+	GList *li;
+	char *s;
+
+	for(li = class_nodes; li != NULL; li = li->next) {
+		Variable *var;
+		Node *node = li->data;
+		if(node->type != VARIABLE_NODE)
+			continue;
+		var = li->data;
+		if(strcmp(var->id, id)==0)
+			return var;
+	}
+
+	s = g_strdup_printf(_("Variable %s not defined here"), id);
+	print_error(FALSE, s, line);
+
+	g_assert_not_reached();
+	return NULL;
+}
+
 %}
 
 %union {
@@ -213,7 +247,7 @@ push_self(char *id)
 %token ONERROR
 
 %token <id> TOKEN NUMBER TYPETOKEN ARRAY_DIM
-%token <cbuf> CCODE HCODE
+%token <cbuf> CCODE HTCODE PHCODE HCODE ACODE ATCODE
 %token <line> PUBLIC PRIVATE PROTECTED ARGUMENT VIRTUAL SIGNAL OVERRIDE
 
 %%
@@ -224,28 +258,46 @@ prog:		ccodes class ccodes	{ ; }
 	|	class			{ ; }
 	;
 
-ccodes:		ccodes CCODE		{
-			Node *node = new_ccode(FALSE,($<cbuf>2)->str,
+ccode:		CCODE			{
+			Node *node = new_ccode(C_CCODE,($<cbuf>1)->str,
 					       ccode_line);
 			nodes = g_list_append(nodes,node);
-			g_string_free($<cbuf>2,FALSE);
+			g_string_free($<cbuf>1,FALSE);
 					}
-	|	ccodes HCODE		{
-			Node *node = new_ccode(TRUE,($<cbuf>2)->str,ccode_line);
+	|	HCODE			{
+			Node *node = new_ccode(H_CCODE,($<cbuf>1)->str,
+					       ccode_line);
 			nodes = g_list_append(nodes,node);
-			g_string_free($<cbuf>2,FALSE);
+			g_string_free($<cbuf>1,FALSE);
 					}
-	|	CCODE			{
-			Node *node = new_ccode(FALSE,($<cbuf>1)->str,
+	|	HTCODE			{
+			Node *node = new_ccode(HT_CCODE,($<cbuf>1)->str,
 					       ccode_line);
 			nodes = g_list_append(nodes,node);
 			g_string_free($<cbuf>1,FALSE);
 					}
-	|	HCODE			{
-			Node *node = new_ccode(TRUE,($<cbuf>1)->str,ccode_line);
+	|	PHCODE			{
+			Node *node = new_ccode(PH_CCODE,($<cbuf>1)->str,
+					       ccode_line);
 			nodes = g_list_append(nodes,node);
 			g_string_free($<cbuf>1,FALSE);
 					}
+	|	ACODE			{
+			Node *node = new_ccode(A_CCODE,($<cbuf>1)->str,
+					       ccode_line);
+			nodes = g_list_append(nodes,node);
+			g_string_free($<cbuf>1,FALSE);
+					}
+	|	ATCODE			{
+			Node *node = new_ccode(AT_CCODE,($<cbuf>1)->str,
+					       ccode_line);
+			nodes = g_list_append(nodes,node);
+			g_string_free($<cbuf>1,FALSE);
+					}
+	;
+
+ccodes:		ccodes ccode		{ ; }
+	|	ccode			{ ; }
 	;
 
 class:		classdec '{' classcode '}'	{
@@ -265,12 +317,14 @@ classdec:	CLASS TYPETOKEN FROM TYPETOKEN	{
 						}
 	;
 	
-classcode:	classcode method		{ ; }
-	|	classcode variable		{ ; }
-	|	classcode argument		{ ; }
-	|	method				{ ; }
+classcode:	classcode thing			{ ; }
+	|	thing				{ ; }
+	;
+
+thing: 		method				{ ; }
 	|	variable			{ ; }
 	|	argument			{ ; }
+	|	';'				{ ; }
 	;
 
 scope:		PUBLIC			{ the_scope = PUBLIC_SCOPE; }
@@ -278,14 +332,65 @@ scope:		PUBLIC			{ the_scope = PUBLIC_SCOPE; }
 	|	PROTECTED		{ the_scope = PROTECTED_SCOPE; }
 	;
 
-variable:	scope type TOKEN ';'		{
-			push_variable($<id>3,the_scope,$<line>1,NULL);
+destructor: 	TOKEN TOKEN 	{
+			if(strcmp($<id>1, "destroywith")==0) {
+				g_free($<id>1);
+				destructor = $<id>2;
+				destructor_line = ccode_line;
+				destructor_simple = TRUE;
+			} else {
+				g_free($<id>1);
+				g_free($<id>2);
+				yyerror(_("parse error"));
+				YYERROR;
+			}
+				}
+	|	TOKEN '{' CCODE		{
+			if(strcmp($<id>1, "destroy")==0) {
+				g_free($<id>1);
+				destructor = ($<cbuf>3)->str;
+				g_string_free($<cbuf>3, FALSE);
+				destructor_line = ccode_line;
+				destructor_simple = FALSE;
+			} else {
+				g_free($<id>1);
+				g_string_free($<cbuf>3, TRUE);
+				yyerror(_("parse error"));
+				YYERROR;
+			}
+					}
+	;
+
+initializer:	'=' numtok	{
+			initializer = $<id>2;
+			initializer_line = ccode_line;
+				}
+	|	'=' '{' CCODE	{
+			initializer = ($<cbuf>3)->str;
+			initializer_line = ccode_line;
+			g_string_free($<cbuf>3, FALSE);
+				}
+	;
+
+
+varoptions:	destructor initializer	{ ; }
+	|	initializer destructor	{ ; }
+	|	initializer		{ destructor = NULL; }
+	|	destructor		{ initializer = NULL; }
+	|				{
+			destructor = NULL;
+			initializer = NULL;
+					}
+	;
+
+variable:	scope type TOKEN varoptions ';'		{
+			push_variable($<id>3, the_scope,$<line>1, NULL);
 						}
-	|	scope type TOKEN ARRAY_DIM ';'	{
-			push_variable($<id>3,the_scope,$<line>1,$<id>4);
+	|	scope type TOKEN ARRAY_DIM varoptions ';'	{
+			push_variable($<id>3, the_scope, $<line>1, $<id>4);
 						}
 	;
-argument:	ARGUMENT argflags argtype TOKEN TOKEN '{' CCODE TOKEN '{' CCODE ';' {
+argument:	ARGUMENT flags argtype TOKEN TOKEN '{' CCODE TOKEN '{' CCODE ';' {
 			if(strcmp($<id>5,"get")==0 &&
 			   strcmp($<id>8,"set")==0) {
 				Node *node;
@@ -320,7 +425,7 @@ argument:	ARGUMENT argflags argtype TOKEN TOKEN '{' CCODE TOKEN '{' CCODE ';' {
 				YYERROR;
 			}
 						}
-	|	ARGUMENT argflags argtype TOKEN TOKEN '{' CCODE ';' {
+	|	ARGUMENT flags argtype TOKEN TOKEN '{' CCODE ';' {
 			if(strcmp($<id>5,"get")==0) {
 				Node *node;
 				Type *type = pop_type();
@@ -348,6 +453,69 @@ argument:	ARGUMENT argflags argtype TOKEN TOKEN '{' CCODE TOKEN '{' CCODE ';' {
 				YYERROR;
 			}
 						}
+	|	ARGUMENT flags argtype TOKEN TOKEN {
+			Node *node;
+			char *get, *set;
+			Variable *var;
+			Type *type;
+			char *root;
+			
+			if(strcmp($<id>5,"link")!=0 &&
+			   strcmp($<id>5,"stringlink")!=0 &&
+			   strcmp($<id>5,"objectlink")!=0) {
+				g_free($<id>5); g_free($<id>3);
+				g_free($<id>4);
+				g_list_foreach($<list>2,(GFunc)g_free,NULL);
+				yyerror(_("parse error"));
+				YYERROR;
+			}
+
+			type = pop_type();
+
+			var = find_var_or_die($<id>4, $<line>1);
+			if(var->scope == PRIVATE_SCOPE)
+				root = "self->_priv";
+			else
+				root = "self";
+
+			if(strcmp($<id>5,"link")==0) {
+				set = g_strdup_printf("%s->%s = ARG;",
+						      root, $<id>4);
+			} else if(strcmp($<id>5,"stringlink")==0) {
+				set = g_strdup_printf("g_free(%s->%s); "
+						      "%s->%s = g_strdup(ARG);",
+						      root, $<id>4,
+						      root, $<id>4);
+			} else if(strcmp($<id>5,"objectlink")==0) {
+				set = g_strdup_printf(
+				  "if(%s->%s) "
+				   "gtk_object_unref(GTK_OBJECT(%s->%s)); "
+				  "%s->%s = ARG; "
+				  "if(%s->%s) "
+				   "gtk_object_ref(GTK_OBJECT(%s->%s)); ",
+				  root, $<id>4,
+				  root, $<id>4,
+				  root, $<id>4,
+				  root, $<id>4,
+				  root, $<id>4);
+			} else {
+				g_assert_not_reached();
+			}
+
+			/* get is the same for everything */
+			get = g_strdup_printf("ARG = %s->%s;", root, $<id>4);
+
+			g_free($<id>5);
+
+
+			if(!type)
+				type = copy_type(var->vtype);
+
+			node = new_argument($<id>3, type, $<list>2,
+					    $<id>4, get, $<line>1,
+					    set, $<line>1, $<line>1);
+			class_nodes = g_list_append(class_nodes,node);
+						}
 	;
 
 argtype:	TOKEN '(' TOKEN type ')' 	{
@@ -365,7 +533,7 @@ argtype:	TOKEN '(' TOKEN type ')' 	{
 						}
 	;
 	
-argflags:	'(' flaglist ')'		{ $<list>$ = $<list>2; }
+flags:		'(' flaglist ')'		{ $<list>$ = $<list>2; }
 	|					{ $<list>$ = NULL; }
 	;
 
@@ -539,25 +707,25 @@ codenocode:	'{' CCODE			{ $<cbuf>$ = $<cbuf>2; }
 	;
 
 /*here CCODE will include the ending '}' */
-method:		SIGNAL fullsigtype type TOKEN '(' funcargs ')' onerror codenocode {
+method:		SIGNAL flags fullsigtype type TOKEN '(' funcargs ')' onerror codenocode {
 			if(!has_self) {
 				yyerror(_("signal without 'self' as "
 					  "first parameter"));
 				YYERROR;
 			}
-			push_function(the_scope, $<sigtype>2,NULL,
-				      $<id>4, $<id>8, $<cbuf>9,$<line>1,
-				      ccode_line,vararg);
+			push_function(the_scope, $<sigtype>3,NULL,
+				      $<id>5, $<id>9, $<cbuf>10,$<line>1,
+				      ccode_line, vararg, $<list>2);
 									}
-	|	scope SIGNAL simplesigtype type TOKEN '(' funcargs ')' onerror codenocode {
+	|	scope SIGNAL flags simplesigtype type TOKEN '(' funcargs ')' onerror codenocode {
 			if(!has_self) {
 				yyerror(_("signal without 'self' as "
 					  "first parameter"));
 				YYERROR;
 			}
-			push_function(the_scope, $<sigtype>3,NULL,
-				      $<id>5, $<id>9, $<cbuf>10,$<line>2,
-				      ccode_line,vararg);
+			push_function(the_scope, $<sigtype>4, NULL,
+				      $<id>6, $<id>10, $<cbuf>11, $<line>2,
+				      ccode_line, vararg, $<list>3);
 									}
 	|	VIRTUAL scope type TOKEN '(' funcargs ')' onerror codenocode	{
 			if(!has_self) {
@@ -566,8 +734,8 @@ method:		SIGNAL fullsigtype type TOKEN '(' funcargs ')' onerror codenocode {
 				YYERROR;
 			}
 			push_function(the_scope, VIRTUAL_METHOD, NULL, $<id>4,
-				      $<id>8, $<cbuf>9,$<line>1,
-				      ccode_line,vararg);
+				      $<id>8, $<cbuf>9, $<line>1,
+				      ccode_line, vararg, NULL);
 									}
 	|	scope VIRTUAL type TOKEN '(' funcargs ')' onerror codenocode	{
 			if(!has_self) {
@@ -576,8 +744,8 @@ method:		SIGNAL fullsigtype type TOKEN '(' funcargs ')' onerror codenocode {
 				YYERROR;
 			}
 			push_function(the_scope, VIRTUAL_METHOD, NULL, $<id>4,
-				      $<id>8, $<cbuf>9,$<line>2,
-				      ccode_line,vararg);
+				      $<id>8, $<cbuf>9, $<line>2,
+				      ccode_line, vararg, NULL);
 									}
 	|	VIRTUAL type TOKEN '(' funcargs ')' onerror codenocode	{
 			if(!has_self) {
@@ -586,31 +754,31 @@ method:		SIGNAL fullsigtype type TOKEN '(' funcargs ')' onerror codenocode {
 				YYERROR;
 			}
 			push_function(PUBLIC_SCOPE, VIRTUAL_METHOD, NULL,
-				      $<id>3, $<id>7, $<cbuf>8,$<line>1,
-				      ccode_line,vararg);
+				      $<id>3, $<id>7, $<cbuf>8, $<line>1,
+				      ccode_line, vararg, NULL);
 									}
 	|	OVERRIDE '(' TYPETOKEN ')' type TOKEN '(' funcargs ')' onerror codenocode	{
 			push_function(NO_SCOPE, OVERRIDE_METHOD, $<id>3,
 				      $<id>6, $<id>10, $<cbuf>11,
-				      $<line>1,ccode_line,
-				      vararg);
+				      $<line>1, ccode_line,
+				      vararg, NULL);
 									}
 	|	scope type TOKEN '(' funcargs ')' onerror codenocode	{
 			push_function(the_scope, REGULAR_METHOD, NULL, $<id>3,
-				      $<id>7, $<cbuf>8,$<line>1,ccode_line,
-				      vararg);
+				      $<id>7, $<cbuf>8, $<line>1, ccode_line,
+				      vararg, NULL);
 								}
 	|	TOKEN '(' TOKEN ')' codenocode	{
 			if(strcmp($<id>1,"init")==0) {
 				push_init_arg($<id>3,FALSE);
 				push_function(NO_SCOPE, INIT_METHOD, NULL,
-					      $<id>1, NULL, $<cbuf>5,$<line>2,
-					      ccode_line,FALSE);
+					      $<id>1, NULL, $<cbuf>5, $<line>2,
+					      ccode_line, FALSE, NULL);
 			} else if(strcmp($<id>1,"class_init")==0) {
 				push_init_arg($<id>3,TRUE);
 				push_function(NO_SCOPE, CLASS_INIT_METHOD, NULL,
-					      $<id>1, NULL, $<cbuf>5,$<line>2,
-					      ccode_line,FALSE);
+					      $<id>1, NULL, $<cbuf>5, $<line>2,
+					      ccode_line, FALSE, NULL);
 			} else {
 				g_free($<id>1);
 				g_free($<id>3);