diff options
Diffstat (limited to 'gcc/c-tree.h')
| -rw-r--r-- | gcc/c-tree.h | 74 |
1 files changed, 8 insertions, 66 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h index d606217..f565df5 100644 --- a/gcc/c-tree.h +++ b/gcc/c-tree.h @@ -108,29 +108,6 @@ struct GTY(()) lang_type { sizeof and typeof it is set for other function decls as well. */ #define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP)) -/* Record whether a label was defined in a statement expression which - has finished and so can no longer be jumped to. */ -#define C_DECL_UNJUMPABLE_STMT_EXPR(EXP) \ - DECL_LANG_FLAG_6 (LABEL_DECL_CHECK (EXP)) - -/* Record whether a label was the subject of a goto from outside the - current level of statement expression nesting and so cannot be - defined right now. */ -#define C_DECL_UNDEFINABLE_STMT_EXPR(EXP) \ - DECL_LANG_FLAG_7 (LABEL_DECL_CHECK (EXP)) - -/* Record whether a label was defined in the scope of an identifier - with variably modified type which has finished and so can no longer - be jumped to. */ -#define C_DECL_UNJUMPABLE_VM(EXP) \ - DECL_LANG_FLAG_3 (LABEL_DECL_CHECK (EXP)) - -/* Record whether a label was the subject of a goto from outside the - current level of scopes of identifiers with variably modified type - and so cannot be defined right now. */ -#define C_DECL_UNDEFINABLE_VM(EXP) \ - DECL_LANG_FLAG_5 (LABEL_DECL_CHECK (EXP)) - /* Record whether a variable has been declared threadprivate by #pragma omp threadprivate. */ #define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL)) @@ -421,45 +398,6 @@ struct GTY(()) language_function { int warn_about_return_type; }; -/* Save lists of labels used or defined in particular contexts. - Allocated on the parser obstack. */ - -struct c_label_list -{ - /* The label at the head of the list. */ - tree label; - /* The rest of the list. */ - struct c_label_list *next; -}; - -/* Statement expression context. */ - -struct c_label_context_se -{ - /* The labels defined at this level of nesting. */ - struct c_label_list *labels_def; - /* The labels used at this level of nesting. */ - struct c_label_list *labels_used; - /* The next outermost context. */ - struct c_label_context_se *next; -}; - -/* Context of variably modified declarations. */ - -struct c_label_context_vm -{ - /* The labels defined at this level of nesting. */ - struct c_label_list *labels_def; - /* The labels used at this level of nesting. */ - struct c_label_list *labels_used; - /* The scope of this context. Multiple contexts may be at the same - numbered scope, since each variably modified declaration starts a - new context. */ - unsigned scope; - /* The next outermost context. */ - struct c_label_context_vm *next; -}; - /* Used when parsing an enum. Initialized by start_enum. */ struct c_enum_contents { @@ -491,6 +429,7 @@ extern void c_parse_init (void); extern void gen_aux_info_record (tree, int, int, int); /* in c-decl.c */ +struct c_spot_bindings; extern struct obstack parser_obstack; extern tree c_break_label; extern tree c_cont_label; @@ -498,6 +437,8 @@ extern tree c_cont_label; extern int global_bindings_p (void); extern void push_scope (void); extern tree pop_scope (void); +extern void c_bindings_start_stmt_expr (struct c_spot_bindings *); +extern void c_bindings_end_stmt_expr (struct c_spot_bindings *); extern void record_inline_static (location_t, tree, tree, enum c_inline_static_type); @@ -513,8 +454,13 @@ extern tree check_for_loop_decls (location_t); extern void mark_forward_parm_decls (void); extern void declare_parm_level (void); extern void undeclared_variable (location_t, tree); +extern tree lookup_label_for_goto (location_t, tree); extern tree declare_label (tree); extern tree define_label (location_t, tree); +extern struct c_spot_bindings *c_get_switch_bindings (void); +extern void c_release_switch_bindings (struct c_spot_bindings *); +extern bool c_check_switch_jump_warnings (struct c_spot_bindings *, + location_t, location_t); extern void c_maybe_initialize_eh (void); extern void finish_decl (tree, location_t, tree, tree, tree); extern tree finish_enum (tree, tree, tree); @@ -583,8 +529,6 @@ extern int in_sizeof; extern int in_typeof; extern struct c_switch *c_switch_stack; -extern struct c_label_context_se *label_context_stack_se; -extern struct c_label_context_vm *label_context_stack_vm; extern tree c_objc_common_truthvalue_conversion (location_t, tree); extern tree require_complete_type (tree); @@ -643,8 +587,6 @@ extern tree c_finish_return (location_t, tree, tree); extern tree c_finish_bc_stmt (location_t, tree *, bool); extern tree c_finish_goto_label (location_t, tree); extern tree c_finish_goto_ptr (location_t, tree); -extern void c_begin_vm_scope (unsigned int); -extern void c_end_vm_scope (unsigned int); extern tree c_expr_to_decl (tree, bool *, bool *); extern tree c_begin_omp_parallel (void); extern tree c_finish_omp_parallel (location_t, tree, tree); |