/* Definitions for c-common.c.
- Copyright (C) 1987, 93, 94, 95, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1987, 93-95, 97-99, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
enum c_tree_index
{
- CTI_INTQI_TYPE,
- CTI_INTHI_TYPE,
- CTI_INTSI_TYPE,
- CTI_INTDI_TYPE,
- CTI_INTTI_TYPE,
-
- CTI_UINTQI_TYPE,
- CTI_UINTHI_TYPE,
- CTI_UINTSI_TYPE,
- CTI_UINTDI_TYPE,
- CTI_UINTTI_TYPE,
-
- CTI_SIGNED_CHAR_TYPE,
- CTI_UNSIGNED_CHAR_TYPE,
CTI_WCHAR_TYPE,
CTI_SIGNED_WCHAR_TYPE,
CTI_UNSIGNED_WCHAR_TYPE,
- CTI_SHORT_INTEGER_TYPE,
- CTI_SHORT_UNSIGNED_TYPE,
- CTI_LONG_INTEGER_TYPE,
- CTI_LONG_UNSIGNED_TYPE,
- CTI_LONG_LONG_INTEGER_TYPE,
- CTI_LONG_LONG_UNSIGNED_TYPE,
CTI_WIDEST_INT_LIT_TYPE,
CTI_WIDEST_UINT_LIT_TYPE,
- CTI_COMPLEX_INTEGER_TYPE,
- CTI_COMPLEX_FLOAT_TYPE,
- CTI_COMPLEX_DOUBLE_TYPE,
- CTI_COMPLEX_LONG_DOUBLE_TYPE,
-
- CTI_FLOAT_TYPE,
- CTI_DOUBLE_TYPE,
- CTI_LONG_DOUBLE_TYPE,
-
CTI_CHAR_ARRAY_TYPE,
CTI_WCHAR_ARRAY_TYPE,
CTI_INT_ARRAY_TYPE,
CTI_STRING_TYPE,
CTI_CONST_STRING_TYPE,
- CTI_PTR_TYPE,
- CTI_CONST_PTR_TYPE,
- CTI_PTRDIFF_TYPE,
-
CTI_BOOLEAN_TYPE,
CTI_BOOLEAN_TRUE,
CTI_BOOLEAN_FALSE,
extern tree c_global_trees[CTI_MAX];
-#define intQI_type_node c_global_trees[CTI_INTQI_TYPE]
-#define intHI_type_node c_global_trees[CTI_INTHI_TYPE]
-#define intSI_type_node c_global_trees[CTI_INTSI_TYPE]
-#define intDI_type_node c_global_trees[CTI_INTDI_TYPE]
-#if HOST_BITS_PER_WIDE_INT >= 64
-#define intTI_type_node c_global_trees[CTI_INTTI_TYPE]
-#endif
-
-#define unsigned_intQI_type_node c_global_trees[CTI_UINTQI_TYPE]
-#define unsigned_intHI_type_node c_global_trees[CTI_UINTHI_TYPE]
-#define unsigned_intSI_type_node c_global_trees[CTI_UINTSI_TYPE]
-#define unsigned_intDI_type_node c_global_trees[CTI_UINTDI_TYPE]
-#if HOST_BITS_PER_WIDE_INT >= 64
-#define unsigned_intTI_type_node c_global_trees[CTI_UINTTI_TYPE]
-#endif
-
-#define signed_char_type_node c_global_trees[CTI_SIGNED_CHAR_TYPE]
-#define unsigned_char_type_node c_global_trees[CTI_UNSIGNED_CHAR_TYPE]
#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 short_integer_type_node c_global_trees[CTI_SHORT_INTEGER_TYPE]
-#define short_unsigned_type_node c_global_trees[CTI_SHORT_UNSIGNED_TYPE]
-#define long_integer_type_node c_global_trees[CTI_LONG_INTEGER_TYPE]
-#define long_unsigned_type_node c_global_trees[CTI_LONG_UNSIGNED_TYPE]
-#define long_long_integer_type_node c_global_trees[CTI_LONG_LONG_INTEGER_TYPE]
-#define long_long_unsigned_type_node c_global_trees[CTI_LONG_LONG_UNSIGNED_TYPE]
#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
-#define float_type_node c_global_trees[CTI_FLOAT_TYPE]
-#define double_type_node c_global_trees[CTI_DOUBLE_TYPE]
-#define long_double_type_node c_global_trees[CTI_LONG_DOUBLE_TYPE]
-
-#define complex_integer_type_node c_global_trees[CTI_COMPLEX_INTEGER_TYPE]
-#define complex_float_type_node c_global_trees[CTI_COMPLEX_FLOAT_TYPE]
-#define complex_double_type_node c_global_trees[CTI_COMPLEX_DOUBLE_TYPE]
-#define complex_long_double_type_node c_global_trees[CTI_COMPLEX_LONG_DOUBLE_TYPE]
-
#define boolean_type_node c_global_trees[CTI_BOOLEAN_TYPE]
#define boolean_true_node c_global_trees[CTI_BOOLEAN_TRUE]
#define boolean_false_node c_global_trees[CTI_BOOLEAN_FALSE]
-#define ptr_type_node c_global_trees[CTI_PTR_TYPE]
-#define const_ptr_type_node c_global_trees[CTI_CONST_PTR_TYPE]
-#define ptrdiff_type_node c_global_trees[CTI_PTRDIFF_TYPE]
-
#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE]
#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE]
#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE]
#define int_ftype_int c_global_trees[CTI_INT_FTYPE_INT]
#define ptr_ftype_sizetype c_global_trees[CTI_PTR_FTYPE_SIZETYPE]
-extern void declare_function_name PROTO((void));
-extern void decl_attributes PROTO((tree, tree, tree));
-extern void init_function_format_info PROTO((void));
-extern void check_function_format PROTO((tree, tree, tree));
-extern void c_apply_type_quals_to_decl PROTO((int, tree));
-extern int c_get_alias_set PROTO((tree));
+extern void declare_function_name PARAMS ((void));
+extern void decl_attributes PARAMS ((tree, tree, tree));
+extern void init_function_format_info PARAMS ((void));
+extern void check_function_format PARAMS ((tree, tree, tree));
+extern void c_apply_type_quals_to_decl PARAMS ((int, tree));
+extern int c_get_alias_set PARAMS ((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 PROTO((enum tree_code));
-extern void c_expand_expr_stmt PROTO((tree));
-extern void c_expand_start_cond PROTO((tree, int, int));
-extern void c_expand_start_else PROTO((void));
-extern void c_expand_end_cond PROTO((void));
+extern void binary_op_error PARAMS ((enum tree_code));
+extern void c_expand_expr_stmt PARAMS ((tree));
+extern void c_expand_start_cond PARAMS ((tree, int, int));
+extern void c_expand_start_else PARAMS ((void));
+extern void c_expand_end_cond PARAMS ((void));
/* Validate the expression after `case' and apply default promotions. */
-extern tree check_case_value PROTO((tree));
+extern tree check_case_value PARAMS ((tree));
/* Concatenate a list of STRING_CST nodes into one STRING_CST. */
-extern tree combine_strings PROTO((tree));
-extern void constant_expression_warning PROTO((tree));
-extern tree convert_and_check PROTO((tree, tree));
-extern void overflow_warning PROTO((tree));
-extern void unsigned_conversion_warning PROTO((tree, tree));
+extern tree combine_strings PARAMS ((tree));
+extern void constant_expression_warning PARAMS ((tree));
+extern tree convert_and_check PARAMS ((tree, tree));
+extern void overflow_warning PARAMS ((tree));
+extern void unsigned_conversion_warning PARAMS ((tree, tree));
/* Read the rest of the current #-directive line. */
#if USE_CPPLIB
-extern char *get_directive_line PROTO((void));
+extern char *get_directive_line PARAMS ((void));
#define GET_DIRECTIVE_LINE() get_directive_line ()
#else
-extern char *get_directive_line PROTO((FILE *));
+extern char *get_directive_line PARAMS ((FILE *));
#define GET_DIRECTIVE_LINE() get_directive_line (finput)
#endif
/* Subroutine of build_binary_op, used for comparison operations.
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 PROTO((tree *, tree *, tree *, enum tree_code *));
+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 PROTO((tree));
-extern tree type_for_mode PROTO((enum machine_mode, int));
-extern tree type_for_size PROTO((unsigned, int));
-
-/* Declare a predefined function. Return the declaration. This function is
- provided by each language frontend. */
-extern tree builtin_function PROTO((const char *, tree, enum built_in_function, const char *));
+extern tree truthvalue_conversion PARAMS ((tree));
+extern tree type_for_mode PARAMS ((enum machine_mode, int));
+extern tree type_for_size PARAMS ((unsigned, int));
/* Build tree nodes and builtin functions common to both C and C++ language
frontends. */
-extern void c_common_nodes_and_builtins PROTO((int, int, int));
+extern void c_common_nodes_and_builtins PARAMS ((int, int, 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 int self_promoting_args_p PARAMS ((tree));
+extern tree simple_type_promotes_to PARAMS ((tree));
git://gcc.gnu.org / gcc.git / blobdiff