Add import parsing

Co-authored-by: Copilot <copilot@github.com>

v0/parser.c

@@ -32,11 +32,55 @@ Module* parser_parse(TokenStream* ts) {
 		return NULL;
 	}
 
+	module->imports = NULL;
+	module->import_count = 0;
+
+	while (1) {
+		t = tokenstream_next(ts);
+		if (t.token != TOKEN_IMPORT) {
+			break;
+		}
+
+		ImportDeclaration* new_imports = realloc(module->imports, (module->import_count + 1) * sizeof(ImportDeclaration));
+		if (!new_imports) {
+			parser_free(module);
+			return NULL;
+		}
+		module->imports = new_imports;
+
+		t = tokenstream_next(ts);
+		if (t.token != TOKEN_IDENTIFIER) {
+			parser_free(module);
+			return NULL;
+		}
+
+		module->imports[module->import_count].module_name = (char*)malloc(t.text.length + 1);
+		if (!module->imports[module->import_count].module_name) {
+			parser_free(module);
+			return NULL;
+		}
+		memcpy(module->imports[module->import_count].module_name, t.text.data, t.text.length);
+		module->imports[module->import_count].module_name[t.text.length] = '\0';
+		module->import_count++;
+
+		t = tokenstream_next(ts);
+		if (t.token != TOKEN_SEMICOLON) {
+			parser_free(module);
+			return NULL;
+		}
+	}
+
 	return module;
 }
 
 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);
+	}
 	free(module->name);
 	free(module);
 }