#define GCC_C_TREE_H
#include "c-common.h"
+#include "diagnostic.h"
-/* Each C symbol points to three linked lists of c_binding structures.
- These describe the values of the identifier in the three different
- namespaces defined by the language. The contents of these lists
- are private to c-decl.c. */
+/* struct lang_identifier is private to c-decl.c, but langhooks.c needs to
+ know how big it is. This is sanity-checked in c-decl.c. */
+#define C_SIZEOF_STRUCT_LANG_IDENTIFIER \
+ (sizeof (struct c_common_identifier) + 3 * sizeof (void *))
-struct c_binding;
-
-/* Language-dependent contents of an identifier. */
-
-struct lang_identifier GTY(())
-{
- struct c_common_identifier common_id;
- struct c_binding *symbol_binding; /* vars, funcs, constants, typedefs */
- struct c_binding *tag_binding; /* struct/union/enum tags */
- struct c_binding *label_binding; /* labels */
-};
-
-/* The resulting tree type. */
-
-union lang_tree_node
- GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
- chain_next ("TREE_CODE (&%h.generic) == INTEGER_TYPE ? (union lang_tree_node *)TYPE_NEXT_VARIANT (&%h.generic) : (union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
-{
- union tree_node GTY ((tag ("0"),
- desc ("tree_node_structure (&%h)")))
- generic;
- struct lang_identifier GTY ((tag ("1"))) identifier;
-};
+/* For gc purposes, return the most likely link for the longest chain. */
+#define C_LANG_TREE_NODE_CHAIN_NEXT(T) \
+ ((union lang_tree_node *) \
+ (TREE_CODE (T) == INTEGER_TYPE ? TYPE_NEXT_VARIANT (T) \
+ : TREE_CODE (T) == COMPOUND_EXPR ? TREE_OPERAND (T, 1) \
+ : TREE_CHAIN (T)))
/* Language-specific declaration information. */
and C_RID_YYCODE is the token number wanted by Yacc. */
#define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID)
-/* In a RECORD_TYPE, a sorted array of the fields of the type. */
struct lang_type GTY(())
{
+ /* In a RECORD_TYPE, a sorted array of the fields of the type. */
struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s;
+ /* In an ENUMERAL_TYPE, the min and max values. */
+ tree enum_min;
+ tree enum_max;
};
/* Record whether a type or decl was written with nonconstant size.
#define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE)
#define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE)
-/* Store a value in that field. */
-#define C_SET_EXP_ORIGINAL_CODE(EXP, CODE) \
- (TREE_COMPLEXITY (EXP) = (int) (CODE))
-
/* Record whether a typedef for type `int' was actually `signed int'. */
#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
/* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */
#define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP)
-/* For any decl, nonzero if it is bound in the externals scope and
- pop_scope mustn't chain it into any higher block. */
-#define C_DECL_IN_EXTERNAL_SCOPE(EXP) DECL_LANG_FLAG_3 (EXP)
-
/* For FUNCTION_DECLs, evaluates true if the decl is built-in but has
been declared. */
-#define C_DECL_DECLARED_BUILTIN(EXP) DECL_LANG_FLAG_4 (EXP)
+#define C_DECL_DECLARED_BUILTIN(EXP) DECL_LANG_FLAG_3 (EXP)
+
+/* Record whether a decl was declared register. This is strictly a
+ front-end flag, whereas DECL_REGISTER is used for code generation;
+ they may differ for structures with volatile fields. */
+#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4 (EXP)
/* Nonzero for a decl which either doesn't exist or isn't a prototype.
N.B. Could be simplified if all built-in decls had complete prototypes
/* For FUNCTION_TYPE, a hidden list of types of arguments. The same as
TYPE_ARG_TYPES for functions with prototypes, but created for functions
without prototypes. */
-#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_BINFO (NODE)
+#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE)
+
+/* Record parser information about an expression that is irrelevant
+ for code generation alongside a tree representing its value. */
+struct c_expr
+{
+ /* The value of the expression. */
+ tree value;
+ /* Record the original binary operator of an expression, which may
+ have been changed by fold, STRING_CST for unparenthesised string
+ constants, or ERROR_MARK for other expressions (including
+ parenthesized expressions). */
+ enum tree_code original_code;
+};
/* Save and restore the variables in this file and elsewhere
that keep track of the progress of compilation of the current function.
struct language_function GTY(())
{
struct c_language_function base;
+ tree x_break_label;
+ tree x_cont_label;
+ struct c_switch * GTY((skip)) x_switch_stack;
+ tree arg_info;
int returns_value;
int returns_null;
int returns_abnormally;
int warn_about_return_type;
int extern_inline;
- int x_in_iteration_stmt;
- int x_in_case_stmt;
};
\f
extern void gen_aux_info_record (tree, int, int, int);
/* in c-decl.c */
-extern int c_in_iteration_stmt;
-extern int c_in_case_stmt;
+extern tree c_break_label;
+extern tree c_cont_label;
extern int global_bindings_p (void);
-extern tree getdecls (void);
extern void push_scope (void);
extern tree pop_scope (void);
extern void insert_block (tree);
extern void c_init_decl_processing (void);
extern void c_dup_lang_specific_decl (tree);
extern void c_print_identifier (FILE *, tree, int);
-extern tree build_array_declarator (tree, tree, int, int);
+extern tree build_array_declarator (tree, tree, bool, bool);
extern tree build_enumerator (tree, tree);
extern void check_for_loop_decls (void);
extern void mark_forward_parm_decls (void);
extern tree finish_struct (tree, tree, tree);
extern tree get_parm_info (bool);
extern tree grokfield (tree, tree, tree);
+extern void split_specs_attrs (tree, tree *, tree *);
extern tree groktypename (tree);
extern tree groktypename_in_parm_context (tree);
+extern tree grokparm (tree);
extern tree implicitly_declare (tree);
extern void keep_next_level (void);
extern tree lookup_name (tree);
extern void c_pop_function_context (struct function *);
extern void push_parm_decl (tree);
extern tree pushdecl_top_level (tree);
-extern tree set_array_declarator_type (tree, tree, int);
+extern tree set_array_declarator_inner (tree, tree, bool);
+extern tree builtin_function (const char *, tree, int, enum built_in_class,
+ const char *, tree);
extern void shadow_tag (tree);
extern void shadow_tag_warned (tree, int);
extern tree start_enum (tree);
extern int start_function (tree, tree, tree);
-extern tree start_decl (tree, tree, int, tree);
+extern tree start_decl (tree, tree, bool, tree);
extern tree start_struct (enum tree_code, tree);
extern void store_parm_decls (void);
+extern void store_parm_decls_from (tree);
extern tree xref_tag (enum tree_code, tree);
-extern tree c_begin_compound_stmt (void);
-extern void c_expand_decl_stmt (tree);
-extern void c_static_assembler_name (tree);
+extern int c_expand_decl (tree);
+extern tree build_c_parm (tree, tree, tree);
+extern tree build_attrs_declarator (tree, tree);
+extern tree build_function_declarator (tree, tree);
extern tree make_pointer_declarator (tree, tree);
/* in c-objc-common.c */
extern int c_disregard_inline_limits (tree);
extern int c_cannot_inline_tree_fn (tree *);
extern bool c_objc_common_init (void);
+extern bool c_missing_noreturn_ok_p (tree);
extern tree c_objc_common_truthvalue_conversion (tree expr);
-extern int c_missing_noreturn_ok_p (tree);
-extern void c_objc_common_finish_file (void);
extern int defer_fn (tree);
extern bool c_warn_unused_global_decl (tree);
+extern void c_initialize_diagnostics (diagnostic_context *);
#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \
c_build_qualified_type ((TYPE), \
((CONST_P) ? TYPE_QUAL_CONST : 0) | \
((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
-#define c_sizeof_nowarn(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 0)
-
/* in c-typeck.c */
-
-/* For use with comptypes. */
-enum {
- COMPARE_STRICT = 0
-};
+extern struct c_switch *c_switch_stack;
extern tree require_complete_type (tree);
extern int same_translation_unit_p (tree, tree);
-extern int comptypes (tree, tree, int);
+extern int comptypes (tree, tree);
extern tree c_size_in_bytes (tree);
extern bool c_mark_addressable (tree);
extern void c_incomplete_type_error (tree, tree);
extern tree c_type_promotes_to (tree);
+extern tree composite_type (tree, tree);
extern tree build_component_ref (tree, tree);
extern tree build_indirect_ref (tree, const char *);
extern tree build_array_ref (tree, tree);
extern tree build_external_ref (tree, int);
-extern tree parser_build_binary_op (enum tree_code, tree, tree);
-extern int c_tree_expr_nonnegative_p (tree);
+extern struct c_expr parser_build_binary_op (enum tree_code, struct c_expr,
+ struct c_expr);
extern void readonly_error (tree, const char *);
extern tree build_conditional_expr (tree, tree, tree);
-extern tree build_compound_expr (tree);
+extern tree build_compound_expr (tree, tree);
extern tree c_cast_expr (tree, tree);
extern tree build_c_cast (tree, tree);
extern tree build_modify_expr (tree, enum tree_code, tree);
extern void store_init_value (tree, tree);
extern void error_init (const char *);
extern void pedwarn_init (const char *);
+extern void maybe_warn_string_init (tree, struct c_expr);
extern void start_init (tree, tree, int);
extern void finish_init (void);
extern void really_start_incremental_init (tree);
extern void push_init_level (int);
-extern tree pop_init_level (int);
+extern struct c_expr pop_init_level (int);
extern void set_init_index (tree, tree);
extern void set_init_label (tree);
-extern void process_init_element (tree);
+extern void process_init_element (struct c_expr);
extern tree build_compound_literal (tree, tree);
extern void pedwarn_c90 (const char *, ...) ATTRIBUTE_PRINTF_1;
extern void pedwarn_c99 (const char *, ...) ATTRIBUTE_PRINTF_1;
extern tree c_start_case (tree);
-extern void c_finish_case (void);
+extern void c_finish_case (tree);
extern tree build_asm_expr (tree, tree, tree, tree, bool);
extern tree build_asm_stmt (tree, tree);
extern tree c_convert_parm_for_inlining (tree, tree, tree, int);
+extern int c_types_compatible_p (tree, tree);
+extern tree c_begin_compound_stmt (bool);
+extern tree c_end_compound_stmt (tree, bool);
+extern void c_finish_if_stmt (location_t, tree, tree, tree, bool);
+extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, bool);
+extern tree c_begin_stmt_expr (void);
+extern tree c_finish_stmt_expr (tree);
+extern tree c_process_expr_stmt (tree);
+extern tree c_finish_expr_stmt (tree);
+extern tree c_finish_return (tree);
+extern tree c_finish_bc_stmt (tree *, bool);
+extern tree c_finish_goto_label (tree);
+extern tree c_finish_goto_ptr (tree);
/* Set to 0 at beginning of a function definition, set to 1 if
a return statement that specifies a return value is seen. */
extern bool c_override_global_bindings_to_false;
+/* True means we've initialized exception handling. */
+extern bool c_eh_initialized_p;
+
/* In c-decl.c */
extern void c_finish_incomplete_decl (tree);
-extern void *get_current_scope (void);
-extern void objc_mark_locals_volatile (void *);
extern void c_write_global_declarations (void);
-extern GTY(()) tree static_ctors;
-extern GTY(()) tree static_dtors;
-
/* In order for the format checking to accept the C frontend
diagnostic framework extensions, you must include this file before
toplev.h, not after. */
OSDN Git Service
