/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
#define GCC_C_COMMON_H
#include "splay-tree.h"
+#include "cpplib.h"
/* Usage of TREE_LANG_FLAG_?:
0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT).
SCOPE_BEGIN_P (in SCOPE_STMT)
DECL_PRETTY_FUNCTION_P (in VAR_DECL)
NEW_FOR_SCOPE_P (in FOR_STMT)
+ RETURN_NULLIFIED_P (in RETURN_STMT)
+ ASM_INPUT_P (in ASM_STMT)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
STMT_IS_FULL_EXPR_P (in _STMT)
2: STMT_LINENO_FOR_FN_P (in _STMT)
RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE,
RID_PTREXTENT, RID_PTRVALUE,
+ /* Too many ways of getting the name of a function as a string */
+ RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
+
/* C++ */
RID_BOOL, RID_WCHAR, RID_CLASS,
RID_PUBLIC, RID_PRIVATE, RID_PROTECTED,
RID_MAX,
RID_FIRST_MODIFIER = RID_STATIC,
- RID_LAST_MODIFIER = RID_ONEWAY
+ RID_LAST_MODIFIER = RID_ONEWAY,
+
+ RID_FIRST_AT = RID_AT_ENCODE,
+ RID_LAST_AT = RID_AT_IMPLEMENTATION,
+ RID_FIRST_PQ = RID_IN,
+ RID_LAST_PQ = RID_ONEWAY
};
+#define OBJC_IS_AT_KEYWORD(rid) \
+ ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \
+ (unsigned int)(rid) <= (unsigned int)RID_LAST_AT)
+
+#define OBJC_IS_PQ_KEYWORD(rid) \
+ ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \
+ (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ)
+
/* The elements of `ridpointers' are identifier nodes for the reserved
type names and storage classes. It is indexed by a RID_... value. */
extern tree *ridpointers;
CTI_C_BOOL_TRUE,
CTI_C_BOOL_FALSE,
CTI_DEFAULT_FUNCTION_TYPE,
- CTI_VOID_LIST,
-
- CTI_VOID_FTYPE,
- CTI_VOID_FTYPE_PTR,
- CTI_INT_FTYPE_INT,
- CTI_PTR_FTYPE_SIZETYPE,
CTI_G77_INTEGER_TYPE,
CTI_G77_UINTEGER_TYPE,
CTI_G77_LONGINT_TYPE,
CTI_G77_ULONGINT_TYPE,
- /* These are not types, but we have to look them up all the time. */
- CTI_FUNCTION_ID,
- CTI_PRETTY_FUNCTION_ID,
- CTI_FUNC_ID,
-
+ /* These are not types, but we have to look them up all the time. */
+ CTI_FUNCTION_NAME_DECL,
+ CTI_PRETTY_FUNCTION_NAME_DECL,
+ CTI_C99_FUNCTION_NAME_DECL,
+ CTI_SAVED_FUNCTION_NAME_DECLS,
+
CTI_VOID_ZERO,
CTI_MAX
};
+#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->rid_code)
+
+/* Identifier part common to the C front ends. Inherits from
+ tree_identifier, despite appearances. */
+struct c_common_identifier
+{
+ struct tree_common common;
+ struct cpp_hashnode node;
+ ENUM_BITFIELD(rid) rid_code: CHAR_BIT;
+};
+
#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE]
#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE]
#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
-#define void_list_node c_global_trees[CTI_VOID_LIST]
-#define void_ftype c_global_trees[CTI_VOID_FTYPE]
-#define void_ftype_ptr c_global_trees[CTI_VOID_FTYPE_PTR]
-#define int_ftype_int c_global_trees[CTI_INT_FTYPE_INT]
-#define ptr_ftype_sizetype c_global_trees[CTI_PTR_FTYPE_SIZETYPE]
/* g77 integer types, which which must be kept in sync with f/com.h */
#define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE]
#define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE]
#define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE]
-#define function_id_node c_global_trees[CTI_FUNCTION_ID]
-#define pretty_function_id_node c_global_trees[CTI_PRETTY_FUNCTION_ID]
-#define func_id_node c_global_trees[CTI_FUNC_ID]
+#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL]
+#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL]
+#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL]
+#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS]
/* A node for `((void) 0)'. */
#define void_zero_node c_global_trees[CTI_VOID_ZERO]
etc. */
clk_cplusplus, /* ANSI/ISO C++ */
clk_objective_c /* Objective C */
-}
+}
c_language_kind;
/* Information about a statement tree. */
However, in order to represent aggregate initialization code as
tree structure, we use statement-expressions. The statements
within the statement expression should not result in cleanups
- being run until the entire enclosing statement is complete.
+ being run until the entire enclosing statement is complete.
This flag has no effect in C. */
- int stmts_are_full_exprs_p;
+ int stmts_are_full_exprs_p;
};
typedef struct stmt_tree_s *stmt_tree;
struct stmt_tree_s x_stmt_tree;
/* The stack of SCOPE_STMTs for the current function. */
tree x_scope_stmt_stack;
- /* Nonzero if __FUNCTION__ and its ilk have been declared in this
- function. */
- int x_function_name_declared_p;
};
/* When building a statement-tree, this is the last statement added to
extern void (*lang_expand_decl_stmt) PARAMS ((tree));
extern void (*lang_expand_function_end) PARAMS ((void));
+/* Callback that determines if it's ok for a function to have no
+ noreturn attribute. */
+extern int (*lang_missing_noreturn_ok_p) PARAMS ((tree));
+
+
/* The type of a function that walks over tree structure. */
-typedef tree (*walk_tree_fn) PARAMS ((tree *,
- int *,
+typedef tree (*walk_tree_fn) PARAMS ((tree *,
+ int *,
void *));
extern stmt_tree current_stmt_tree PARAMS ((void));
(((struct c_lang_decl *) DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE))) \
->saved_tree)
+/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is
+ the approximate number of statements in this function. There is
+ no need for this number to be exact; it is only used in various
+ heuristics regarding optimization. */
+#define DECL_NUM_STMTS(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
+
extern void c_mark_lang_decl PARAMS ((struct c_lang_decl *));
/* The variant of the C language being processed. Each C language
extern int flag_const_strings;
+/* Nonzero means give `double' the same size as `float'. */
+
+extern int flag_short_double;
+
+/* Nonzero means give `wchar_t' the same size as `short'. */
+
+extern int flag_short_wchar;
+
/* Warn about *printf or *scanf format/argument anomalies. */
extern int warn_format;
extern int flag_no_nonansi_builtin;
-/* If non-NULL, dump the tree structure for the entire translation
- unit to this file. */
-
-extern const char *flag_dump_translation_unit;
-
/* Nonzero means warn about suggesting putting in ()'s. */
extern int warn_parentheses;
descending through array types. Note that this macro evaluates its
arguments mor than once. */
#define C_TYPE_QUALS(TYPE) \
- (TYPE_QUALS ((TREE_CODE (TYPE) == ARRAY_TYPE \
+ (TYPE_QUALS ((TREE_CODE (TYPE) == ARRAY_TYPE \
&& c_language == clk_cplusplus) \
? strip_array_types (TYPE) : TYPE))
what operator was specified for it. */
#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp))
-/* Pointer to function to generate the VAR_DECL for __FUNCTION__ etc.
+/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
ID is the identifier to use, NAME is the string.
TYPE_DEP indicates whether it depends on type of the function or not
(i.e. __PRETTY_FUNCTION__). */
-extern tree (*make_fname_decl) PARAMS ((tree, const char *, int));
+extern tree (*make_fname_decl) PARAMS ((tree, int));
extern tree identifier_global_value PARAMS ((tree));
+extern void record_builtin_type PARAMS ((enum rid,
+ const char *, tree));
+extern tree build_void_list_node PARAMS ((void));
+extern void start_fname_decls PARAMS ((void));
+extern void finish_fname_decls PARAMS ((void));
+extern const char *fname_as_string PARAMS ((int));
+extern tree fname_decl PARAMS ((unsigned, tree));
+extern const char *fname_string PARAMS ((unsigned));
+
+/* Flags that may be passed in the third argument of decl_attributes. */
+enum attribute_flags
+{
+ /* The type passed in is the type of a DECL, and any attributes that
+ should be passed in again to be applied to the DECL rather than the
+ type should be returned. */
+ ATTR_FLAG_DECL_NEXT = 1,
+ /* The type passed in is a function return type, and any attributes that
+ should be passed in again to be applied to the function type rather
+ than the return type should be returned. */
+ ATTR_FLAG_FUNCTION_NEXT = 2,
+ /* The type passed in is an array element type, and any attributes that
+ should be passed in again to be applied to the array type rather
+ than the element type should be returned. */
+ ATTR_FLAG_ARRAY_NEXT = 4
+};
-extern void declare_function_name PARAMS ((void));
-extern void decl_attributes PARAMS ((tree, tree, tree));
+extern tree decl_attributes PARAMS ((tree *, tree, int));
extern void init_function_format_info PARAMS ((void));
extern void check_function_format PARAMS ((int *, tree, tree, tree));
extern void set_Wformat PARAMS ((int));
+extern void decl_handle_format_attribute PARAMS ((tree, tree));
+extern void decl_handle_format_arg_attribute PARAMS ((tree, tree));
extern void c_apply_type_quals_to_decl PARAMS ((int, tree));
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
extern void binary_op_error PARAMS ((enum tree_code));
-extern void c_expand_expr_stmt PARAMS ((tree));
+extern tree c_expand_expr_stmt PARAMS ((tree));
extern void c_expand_start_cond PARAMS ((tree, int));
extern void c_finish_then PARAMS ((void));
extern void c_expand_start_else PARAMS ((void));
See if the operands have both been converted from subword integer types
and, if so, perhaps change them both back to their original type. */
extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *));
-/* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
- or validate its data type for an `if' or `while' statement or ?..: exp. */
-extern tree truthvalue_conversion PARAMS ((tree));
-extern tree type_for_mode PARAMS ((enum machine_mode, int));
-extern tree type_for_size PARAMS ((unsigned, int));
extern unsigned int min_precision PARAMS ((tree, int));
extern tree build_va_arg PARAMS ((tree, tree));
-/* Nonzero if the type T promotes to itself.
- ANSI C states explicitly the list of types that promote;
- in particular, short promotes to int even if they have the same width. */
-#define C_PROMOTING_INTEGER_TYPE_P(t) \
- (TREE_CODE ((t)) == INTEGER_TYPE \
- && (TYPE_MAIN_VARIANT (t) == char_type_node \
- || TYPE_MAIN_VARIANT (t) == signed_char_type_node \
- || TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \
- || TYPE_MAIN_VARIANT (t) == short_integer_type_node \
- || TYPE_MAIN_VARIANT (t) == short_unsigned_type_node))
+extern void c_common_lang_init PARAMS ((void));
+extern bool c_promoting_integer_type_p PARAMS ((tree));
extern int self_promoting_args_p PARAMS ((tree));
extern tree simple_type_promotes_to PARAMS ((tree));
extern tree strip_array_types PARAMS ((tree));
#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
-/* RETURN_STMT accessor. This gives the expression associated with a
- return statement. */
+/* RETURN_STMT accessors. These give the expression associated with a
+ return statement, and whether it should be ignored when expanding
+ (as opposed to inlining). */
#define RETURN_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0)
+#define RETURN_NULLIFIED_P(NODE) TREE_LANG_FLAG_0 (RETURN_STMT_CHECK (NODE))
/* EXPR_STMT accessor. This gives the expression associated with an
expression statement. */
#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4)
/* DECL_STMT accessor. This gives access to the DECL associated with
- the given declaration statement. */
+ the given declaration statement. */
#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0)
/* STMT_EXPR accessor. */
/* Nonzero if this SCOPE_STMT is for the beginning of a scope. */
#define SCOPE_BEGIN_P(NODE) \
- (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE)))
+ (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE)))
/* Nonzero if this SCOPE_STMT is for the end of a scope. */
#define SCOPE_END_P(NODE) \
/* Nonzero for a SCOPE_STMT if this statement is for a partial scope.
For example, in:
-
+
S s;
l:
S s2;
/* If non-zero, the STMT_LINENO for NODE is the line at which the
function ended. */
-#define STMT_LINENO_FOR_FN_P(NODE) \
+#define STMT_LINENO_FOR_FN_P(NODE) \
(TREE_LANG_FLAG_2 ((NODE)))
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
initialization variables. */
-#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
+#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
+
+/* Nonzero if we want to create an ASM_INPUT instead of an
+ ASM_OPERAND with no operands. */
+#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE))
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
extern void genrtl_compound_stmt PARAMS ((tree));
extern void genrtl_asm_stmt PARAMS ((tree, tree,
tree, tree,
- tree));
+ tree, int));
extern void genrtl_decl_cleanup PARAMS ((tree, tree));
extern int stmts_are_full_exprs_p PARAMS ((void));
extern int anon_aggr_type_p PARAMS ((tree));
extern void emit_local_var PARAMS ((tree));
extern void make_rtl_for_local_static PARAMS ((tree));
extern tree expand_cond PARAMS ((tree));
-extern void c_expand_return PARAMS ((tree));
-extern void do_case PARAMS ((tree, tree));
+extern tree c_expand_return PARAMS ((tree));
+extern tree do_case PARAMS ((tree, tree));
extern tree build_stmt PARAMS ((enum tree_code, ...));
extern tree build_case_label PARAMS ((tree, tree, tree));
extern tree build_continue_stmt PARAMS ((void));
extern void mark_c_language_function PARAMS ((struct language_function *));
-extern int case_compare PARAMS ((splay_tree_key,
+extern int case_compare PARAMS ((splay_tree_key,
splay_tree_key));
extern tree c_add_case_label PARAMS ((splay_tree,
extern tree build_function_call PARAMS ((tree, tree));
+extern tree finish_label_address_expr PARAMS ((tree));
+
+/* Same function prototype, but the C and C++ front ends have
+ different implementations. Used in c-common.c. */
+extern tree lookup_label PARAMS ((tree));
+
/* If this variable is defined to a non-NULL value, it will be called
after the file has been completely parsed. The argument will be
the GLOBAL_NAMESPACE in C++, or the list of top-level declarations
/* In dump.c */
+/* Different tree dump places. */
+enum tree_dump_index
+{
+ TDI_all, /* dump the whole translation unit */
+ TDI_class, /* dump class heirarchy */
+ TDI_original, /* dump each function before optimizing it */
+ TDI_optimized, /* dump each function after optimizing it */
+ TDI_inlined, /* dump each function after inlining
+ within it. */
+ TDI_end
+};
+
+/* Bit masks to control tree dumping. */
+#define TDF_ADDRESS (1 << 0) /* dump node addresses */
+#define TDF_SLIM (1 << 1) /* don't go wild following links */
+
typedef struct dump_info *dump_info_p;
/* A callback function used dump language-specific parts of tree
extern dump_tree_fn lang_dump_tree;
-extern void dump_node_to_file PARAMS ((tree, const char *));
+extern int dump_flag PARAMS ((dump_info_p, int, tree));
+extern int dump_enabled_p PARAMS ((enum tree_dump_index));
+extern FILE *dump_begin PARAMS ((enum tree_dump_index, int *));
+extern void dump_end PARAMS ((enum tree_dump_index, FILE *));
+extern void dump_node PARAMS ((tree, int, FILE *));
+extern int dump_switch_p PARAMS ((const char *));
+extern const char *dump_flag_name PARAMS ((enum tree_dump_index));
/* Information recorded about each file examined during compilation. */
struct c_fileinfo *get_fileinfo PARAMS ((const char *));
extern void dump_time_statistics PARAMS ((void));
-#endif
-
-
+#endif /* ! GCC_C_COMMON_H */
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