143 lines
5.8 KiB
C
143 lines
5.8 KiB
C
/* Definitions for c-common.c.
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Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
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1999, 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Standard named or nameless data types of the C compiler. */
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enum c_tree_index
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{
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CTI_WCHAR_TYPE,
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CTI_SIGNED_WCHAR_TYPE,
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CTI_UNSIGNED_WCHAR_TYPE,
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CTI_WIDEST_INT_LIT_TYPE,
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CTI_WIDEST_UINT_LIT_TYPE,
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CTI_CHAR_ARRAY_TYPE,
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CTI_WCHAR_ARRAY_TYPE,
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CTI_INT_ARRAY_TYPE,
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CTI_STRING_TYPE,
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CTI_CONST_STRING_TYPE,
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CTI_BOOLEAN_TYPE,
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CTI_BOOLEAN_TRUE,
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CTI_BOOLEAN_FALSE,
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CTI_DEFAULT_FUNCTION_TYPE,
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CTI_VOID_LIST,
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CTI_VOID_FTYPE,
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CTI_VOID_FTYPE_PTR,
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CTI_INT_FTYPE_INT,
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CTI_PTR_FTYPE_SIZETYPE,
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CTI_MAX
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};
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extern tree c_global_trees[CTI_MAX];
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#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
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#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE]
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#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
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#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
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#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
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#define boolean_type_node c_global_trees[CTI_BOOLEAN_TYPE]
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#define boolean_true_node c_global_trees[CTI_BOOLEAN_TRUE]
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#define boolean_false_node c_global_trees[CTI_BOOLEAN_FALSE]
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#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE]
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#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE]
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#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE]
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#define string_type_node c_global_trees[CTI_STRING_TYPE]
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#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE]
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#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
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#define void_list_node c_global_trees[CTI_VOID_LIST]
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#define void_ftype c_global_trees[CTI_VOID_FTYPE]
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#define void_ftype_ptr c_global_trees[CTI_VOID_FTYPE_PTR]
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#define int_ftype_int c_global_trees[CTI_INT_FTYPE_INT]
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#define ptr_ftype_sizetype c_global_trees[CTI_PTR_FTYPE_SIZETYPE]
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/* Pointer to function to generate the VAR_DECL for __FUNCTION__ etc.
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ID is the identifier to use, NAME is the string.
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TYPE_DEP indicates whether it depends on type of the function or not
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(i.e. __PRETTY_FUNCTION__). */
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extern tree (*make_fname_decl) PARAMS ((tree, const char *, int));
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extern void declare_function_name PARAMS ((void));
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extern void decl_attributes PARAMS ((tree, tree, tree));
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extern void init_function_format_info PARAMS ((void));
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extern void check_function_format PARAMS ((tree, tree, tree));
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extern void c_apply_type_quals_to_decl PARAMS ((int, tree));
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extern int c_get_alias_set PARAMS ((tree));
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/* Print an error message for invalid operands to arith operation CODE.
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NOP_EXPR is used as a special case (see truthvalue_conversion). */
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extern void binary_op_error PARAMS ((enum tree_code));
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extern void c_expand_expr_stmt PARAMS ((tree));
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extern void c_expand_start_cond PARAMS ((tree, int, int));
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extern void c_expand_start_else PARAMS ((void));
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extern void c_expand_end_cond PARAMS ((void));
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/* Validate the expression after `case' and apply default promotions. */
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extern tree check_case_value PARAMS ((tree));
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/* Concatenate a list of STRING_CST nodes into one STRING_CST. */
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extern tree combine_strings PARAMS ((tree));
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extern void constant_expression_warning PARAMS ((tree));
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extern tree convert_and_check PARAMS ((tree, tree));
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extern void overflow_warning PARAMS ((tree));
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extern void unsigned_conversion_warning PARAMS ((tree, tree));
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/* Read the rest of the current #-directive line. */
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#if USE_CPPLIB
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extern char *get_directive_line PARAMS ((void));
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#define GET_DIRECTIVE_LINE() get_directive_line ()
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#else
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extern char *get_directive_line PARAMS ((FILE *));
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#define GET_DIRECTIVE_LINE() get_directive_line (finput)
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#endif
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/* Subroutine of build_binary_op, used for comparison operations.
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See if the operands have both been converted from subword integer types
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and, if so, perhaps change them both back to their original type. */
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extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *));
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/* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
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or validate its data type for an `if' or `while' statement or ?..: exp. */
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extern tree truthvalue_conversion PARAMS ((tree));
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extern tree type_for_mode PARAMS ((enum machine_mode, int));
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extern tree type_for_size PARAMS ((unsigned, int));
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/* Build tree nodes and builtin functions common to both C and C++ language
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frontends. */
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extern void c_common_nodes_and_builtins PARAMS ((int, int, int));
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extern tree build_va_arg PARAMS ((tree, tree));
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/* Nonzero if the type T promotes to itself.
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ANSI C states explicitly the list of types that promote;
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in particular, short promotes to int even if they have the same width. */
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#define C_PROMOTING_INTEGER_TYPE_P(t) \
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(TREE_CODE ((t)) == INTEGER_TYPE \
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&& (TYPE_MAIN_VARIANT (t) == char_type_node \
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|| TYPE_MAIN_VARIANT (t) == signed_char_type_node \
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|| TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \
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|| TYPE_MAIN_VARIANT (t) == short_integer_type_node \
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|| TYPE_MAIN_VARIANT (t) == short_unsigned_type_node))
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extern int self_promoting_args_p PARAMS ((tree));
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extern tree simple_type_promotes_to PARAMS ((tree));
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