- implemented -Wunused-label

[cparser] / ast_t.h

diff --git a/ast_t.h b/ast_t.h
index 89a9f59..7efa194 100644 (file)
--- a/ast_t.h
+++ b/ast_t.h
@@ -397,6 +397,7 @@ struct declaration_t {
        decl_modifiers_t    modifiers;
        unsigned int        address_taken : 1;
        unsigned int        is_inline     : 1;
+       unsigned int        used          : 1;  /**< Set if the declaration is used. */
        type_t             *type;
        symbol_t           *symbol;
        source_position_t   source_position;
@@ -482,8 +483,8 @@ struct switch_statement_t {
 
 struct goto_statement_t {
        statement_base_t  statement;
-       declaration_t    *label;
-       goto_statement_t *next; /**< link all goto statements in a function */
+       declaration_t    *label;     /**< The destination label. */
+       goto_statement_t *next;      /**< links all goto statements of a function */
 };
 
 struct case_label_statement_t {
@@ -494,9 +495,10 @@ struct case_label_statement_t {
 };
 
 struct label_statement_t {
-       statement_base_t  statement;
-       declaration_t    *label;
-       statement_t      *label_statement;
+       statement_base_t   statement;
+       declaration_t     *label;
+       statement_t       *label_statement;
+       label_statement_t *next;            /**< links all label statements of a function */
 };
 
 struct expression_statement_t {