X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=walk.c;h=7183d38bd6bc349a2e0b8dc94a05440ecf5e7d23;hb=451c15e3a53e601d449512e71b1a9ab7960fa9ec;hp=e213f2bf4b95785f54a774d0b1028d9d3bd4a9da;hpb=83388b4286651b2d54a20d1ef1ecf3af3ae6487c;p=cparser

diff --git a/walk.c b/walk.c
index e213f2b..7183d38 100644
--- a/walk.c
+++ b/walk.c
@@ -82,8 +82,6 @@ static void walk_type(type_t *const type, const walk_env_t *const env)
 	case TYPE_ENUM:
 		walk_entity((entity_t*)type->enumt.enume, env);
 		return;
-	case TYPE_INVALID:
-		break;
 	}
 	panic("invalid type found");
 }
@@ -185,9 +183,8 @@ static void walk_expression(expression_t *const expr,
 	case EXPR_WIDE_STRING_LITERAL:
 	case EXPR_FUNCNAME:
 	case EXPR_LABEL_ADDRESS:
+	case EXPR_ERROR:
 		return;
-	case EXPR_INVALID:
-		break;
 	}
 	panic("invalid expr kind");
 }
@@ -196,7 +193,8 @@ static void walk_designator(const designator_t *designator,
                             const walk_env_t *const env)
 {
 	for ( ; designator != NULL; designator = designator->next) {
-		walk_expression(designator->array_index, env);
+		if (designator->array_index != NULL)
+			walk_expression(designator->array_index, env);
 	}
 }
 
@@ -237,7 +235,8 @@ static void walk_entity(entity_t *entity, const walk_env_t *const env)
 		return;
 	}
 	case ENTITY_ENUM_VALUE:
-		walk_expression(entity->enum_value.value, env);
+		if (entity->enum_value.value != NULL)
+			walk_expression(entity->enum_value.value, env);
 		return;
 	case ENTITY_TYPEDEF:
 		walk_type(entity->typedefe.type, env);
@@ -269,8 +268,6 @@ static void walk_entity(entity_t *entity, const walk_env_t *const env)
 	case ENTITY_LABEL:
 	case ENTITY_LOCAL_LABEL:
 		return;
-	case ENTITY_INVALID:
-		break;
 	}
 	panic("invalid entity found");
 }
@@ -362,7 +359,7 @@ static void walk_statement(statement_t *const stmt, const walk_env_t *const env)
 		walk_statement(stmt->ms_try.final_statement, env);
 		return;
 
-	case STATEMENT_INVALID:
+	case STATEMENT_ERROR:
 	case STATEMENT_EMPTY:
 	case STATEMENT_CONTINUE:
 	case STATEMENT_BREAK: