Rename AST structures to Tree and relocate freeing logic

v0/parser/module.c

@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-bool parse_module_declaration(Parser* p, Module* module) {
+bool parse_module_declaration(Parser* p, ModuleTree* module) {
     if (!parser_expect(p, TOKEN_MODULE, "expected keyword 'module'")) {
         return false;
     }
@@ -16,13 +16,13 @@ bool parse_module_declaration(Parser* p, Module* module) {
     return parser_expect(p, TOKEN_SEMICOLON, "expected ';' after module name");
 }
 
-Module* parser_parse(TokenStream* ts) {
+ModuleTree* parser_parse(TokenStream* ts) {
     Parser* p = malloc(sizeof(Parser));
     p->ts = ts;
     parser_next_token(p);
 
-    Module* module = malloc(sizeof(Module));
-    memset(module, 0, sizeof(Module));
+    ModuleTree* module = malloc(sizeof(ModuleTree));
+    memset(module, 0, sizeof(ModuleTree));
     if (!parse_module_declaration(p, module)) {
         goto fail;
     }
@@ -82,44 +82,6 @@ Module* parser_parse(TokenStream* ts) {
     return module;
 fail:
     free(p);
-    parser_free(module);
+    ast_free_module(module);
     return NULL;
 }
-
-void parser_free(Module* module) {
-	if (module == NULL) {
-        return;
-    }
-
-    if (module->imports != NULL) {
-        for(size_t i = 0; i < module->import_count; i++) {
-            free(module->imports[i].module_name);
-        }
-        free(module->imports);
-    }
-    
-    if (module->aliases != NULL) {
-        for(size_t i = 0; i < module->alias_count; i++) {
-            free((void*)module->aliases[i].name);
-            free_type_expression(&module->aliases[i].value);
-        }
-        free(module->aliases);
-    }
-
-    if (module->variables != NULL) {
-        for(size_t i = 0; i < module->variable_count; i++) {
-            free(module->variables[i].name);
-            free_type_expression(&module->variables[i].type);
-            if (module->variables[i].initializer) {
-                if (module->variables[i].initializer->tag == EXPRESSION_STRING) {
-                    free((void*)module->variables[i].initializer->string);
-                }
-                free(module->variables[i].initializer);
-            }
-        }
-        free(module->variables);
-    }
-
-    free(module->name);
-    free(module);
-}