c2iec

--- a/c2iec.y
+++ b/c2iec.y
@@ -69,6 +69,9 @@
 // check if fifo is empty
 int fifo_empty(fifo_entry_t type);
 
+// check fill status of queue
+int fifo_size(fifo_entry_t type);
+
 // map c datatype to iec (standard and userdefined)
 char *maptype(char *ctype);
 
@@ -95,7 +98,6 @@
 static char s_szFuncName[SYM_SIZE];
 void setFunctionName(char *szName);
 char *getFunctionName(void);
-
 
 // lex/yacc functions
 extern int yylex (void);
@@ -312,19 +314,25 @@
 	| declaration_specifiers init_declarator_list ';'
 	{
 		char *p;
+		int isFuncDecl = 0;
 		while( (p=fifo_pop(decl_func)) != NULL)
 		{
 			printf(p, $<str>1);
+			isFuncDecl = 1;
 		}
 		while( (p=fifo_pop(decl_param)) != NULL)
 		{
 			printf(p, $<str>1);
+			isFuncDecl = 0;
 		}
 		while( (p=fifo_pop(decl_all)) != NULL)
 		{
 			printf(p, $<str>1);
+			isFuncDecl = 0;
 		}
 		strcpy($<str>$, "");
+		if (isFuncDecl)
+		    printf("END_FUNCTION\n\n");
 	}
 	;
 
@@ -510,7 +518,7 @@
 		// don't push function declarations to decl_all
 		if (fifo_empty(decl_func))
 		{
-			fifo_push(decl_all, $<str>$);
+		    fifo_push(decl_all, $<str>$);
 		}
 	}
 	| direct_declarator
@@ -530,11 +538,11 @@
 direct_declarator
 	: IDENTIFIER
 	| '(' declarator ')'
-	{ printf ("not supported direct_declerator\n"); }
+	{ printf ("not supported direct_declerator\n"); exit(-1); }
 	| direct_declarator '[' type_qualifier_list assignment_expression ']'
-	{ printf ("not supported direct_declerator\n"); }
+	{ printf ("not supported direct_declerator\n"); exit(-1); }
 	| direct_declarator '[' type_qualifier_list ']'
-	{ printf ("not supported direct_declerator\n"); }
+	{ printf ("not supported direct_declerator\n"); exit(-1); }
 	| direct_declarator '[' assignment_expression ']'
 	{
 		if (strlen($<str>1) > 0)
@@ -790,6 +798,7 @@
 		  printf(p, $<str>1);
 		}
 		printf("%s", $<str>3);
+		printf("END_FUNCTION\n");
 		strcpy($<str>$, "");
 	}
 	;
@@ -861,6 +870,11 @@
 		return 1;
 	}
 	return 0;
+}
+
+int fifo_size(fifo_entry_t type)
+{
+    return ((s_fifos[type].write + FIFO_SIZE) - s_fifos[type].read) % FIFO_SIZE;
 }
 
 void fifo_tag(fifo_entry_t type)