Added support for global struct declarations.

Author: Goubermouche

source/compiler/test/main.s

@@ -6,18 +6,19 @@
 // -   numerical literals are always interpreted as i32
 
 // TODO: 
+// -   global struct declarations
 // -   DIAGNOSTICS:
 //     -   better messages
 //     -   more info related to numerical errors (hex etc)
 //     -   add namespaces to messages, whenever applicable (ie. x::y::test)
 // -   BUGS:
 //     -   structs as function parameters (rework the < op)
 
-i32 main() {
-	struct key {
-		i32* value;
-	};
+struct key {
+	i32* value;
+};
 
+i32 main() {
 	struct user {
 		key k;
 	};
@@ -29,7 +30,6 @@ i32 main() {
 	my_user.k.value[1] = 321;
 	
 	printf("key: %d %d\n", my_user.k.value[0], my_user.k.value[1]);
-	printf("%d\n", sizeof(user));
 
 	ret 0;
 }

source/parser/parser.cpp

@@ -44,6 +44,12 @@ namespace sigma {
 				// parse nested namespaces
 				TRY(result, parse_namespace_declaration());
 			}
+			else if(m_tokens.get_current_token() == token_type::STRUCT) {
+				// parse global struct declarations
+				TRY(result, parse_struct_declaration());
+				EXPECT_CURRENT_TOKEN(token_type::SEMICOLON);
+				m_tokens.next();
+			}
 			else if (peek_is_function_definition()) {
 				// parse globally declared functions 
 				TRY(result, parse_function_declaration());

tests/structs/global_declaration.s

@@ -0,0 +1,19 @@
+struct key {
+	i32* value;
+};
+
+i32 main() {
+	struct user {
+		key k;
+	};
+
+	user my_user;
+
+	my_user.k.value = cast<i32*>(malloc(sizeof(i32) * 2));
+	my_user.k.value[0] = 123;
+	my_user.k.value[1] = 321;
+	
+	printf("key: %d %d\n", my_user.k.value[0], my_user.k.value[1]);
+
+	ret 0;
+}

tests/structs/global_declaration_expected.txt

@@ -0,0 +1 @@
+key: 123 321