Lecture 57 - Implementing parser scope entities and functionalities

parser.c

@@ -9,6 +9,35 @@ extern struct node* parser_current_body;
 
 extern struct expressionable_op_precedence_group op_precedence[TOTAL_OPERATOR_GROUPS];
 
+
+enum
+{
+    PARSER_SCOPE_ENTITY_ON_STACK = 0b00000001,
+    PARSER_SCOPE_ENTITY_STRUCTURE_SCOPE = 0b00000010,
+};
+
+struct parser_scope_entity
+{
+    // The entity flags of the scope entity
+    int flags;
+
+    // The stack offset of the scope entity.
+    int stack_offset;
+
+    // Variable declaration
+    struct node* node;
+};
+
+struct parser_scope_entity* parser_new_scope_entity(struct node* node, int stack_offset, int flags)
+{
+    struct parser_scope_entity* entity = calloc(1, sizeof(struct parser_scope_entity));
+    entity->node = node;
+    entity->flags = flags;
+    entity->stack_offset = stack_offset;
+    return entity;
+}
+
+
 enum
 {
     HISTORY_FLAG_INSIDE_UNION = 0b00000001,
@@ -48,6 +77,11 @@ void parser_scope_finish()
     scope_finish(current_process);
 }
 
+void parser_scope_push(struct node* node, size_t size)
+{
+    scope_push(current_process, node, size);
+}
+
 static void parser_ignore_nl_or_comment(struct token *token)
 {
     while (token && token_is_nl_or_comment_or_newline_seperator(token))