1999-04-16 09:35:26 +08:00
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/* C language support definitions for GDB, the GNU debugger.
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2002-02-14 02:49:30 +08:00
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Copyright 1992, 1994, 1995, 1996, 1997, 1998, 2000, 2002
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2001-03-06 16:22:02 +08:00
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Free Software Foundation, Inc.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This file is part of GDB.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This program 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 of the License, or
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(at your option) any later version.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This program 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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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 09:35:26 +08:00
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#if !defined (C_LANG_H)
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#define C_LANG_H 1
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#include "value.h"
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Expand preprocessor macros in C expressions.
* c-lang.h: #include "macroexp.h", for macro_lookup_ftype.
(scan_macro_expansion, scanning_macro_expansion,
finished_macro_expansion): New function declarations.
(expression_macro_lookup_func, expression_macro_lookup_baton): New
variable declarations.
* parser-defs.h (expression_context_pc): New declaration.
* parse.c (expression_context_pc): New variable.
(parse_exp_1): Set expression_context_pc, as well as
expression_context_block.
* c-exp.y (yylex): If we're not already reading the result of a
macro expansion, try to macro-expand the next token. When we're
done scanning a macro expansion, switch back to the mainline text.
Commas and `if's in a macro's expansion don't terminate the input.
* c-lang.c: #include "macroscope.h" and "gdb_assert.h".
(macro_original_text, macro_expanded_text,
expression_macro_lookup_func, expression_macro_lookup_baton): New
variables.
(scan_macro_expansion, scanning_macro_expansion,
finished_macro_expansion, scan_macro_cleanup, null_macro_lookup,
c_preprocess_and_parse): New functions.
(c_language_defn, cplus_language_defn, asm_language_defn): Call
c_preprocess_and_parse, instead of c_parse.
* Makefile.in (c_lang_h): Note that this #includes macroexp.h.
(c-lang.o): Note dependency on macroscope.h and gdb_assert.h.
2002-05-18 01:57:48 +08:00
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#include "macroexp.h"
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1999-04-16 09:35:26 +08:00
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2000-05-28 09:12:42 +08:00
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extern int c_parse (void); /* Defined in c-exp.y */
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1999-04-16 09:35:26 +08:00
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2000-05-28 09:12:42 +08:00
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extern void c_error (char *); /* Defined in c-exp.y */
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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/* Defined in c-typeprint.c */
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extern void c_print_type (struct type *, char *, struct ui_file *, int,
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int);
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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extern int c_val_print (struct type *, char *, int, CORE_ADDR,
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struct ui_file *, int, int, int,
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enum val_prettyprint);
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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extern int c_value_print (struct value *, struct ui_file *, int,
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enum val_prettyprint);
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1999-04-16 09:35:26 +08:00
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/* These are in c-lang.c: */
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2000-02-02 08:21:19 +08:00
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extern void c_printchar (int, struct ui_file *);
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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extern void c_printstr (struct ui_file * stream, char *string,
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unsigned int length, int width,
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int force_ellipses);
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1999-04-16 09:35:26 +08:00
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Expand preprocessor macros in C expressions.
* c-lang.h: #include "macroexp.h", for macro_lookup_ftype.
(scan_macro_expansion, scanning_macro_expansion,
finished_macro_expansion): New function declarations.
(expression_macro_lookup_func, expression_macro_lookup_baton): New
variable declarations.
* parser-defs.h (expression_context_pc): New declaration.
* parse.c (expression_context_pc): New variable.
(parse_exp_1): Set expression_context_pc, as well as
expression_context_block.
* c-exp.y (yylex): If we're not already reading the result of a
macro expansion, try to macro-expand the next token. When we're
done scanning a macro expansion, switch back to the mainline text.
Commas and `if's in a macro's expansion don't terminate the input.
* c-lang.c: #include "macroscope.h" and "gdb_assert.h".
(macro_original_text, macro_expanded_text,
expression_macro_lookup_func, expression_macro_lookup_baton): New
variables.
(scan_macro_expansion, scanning_macro_expansion,
finished_macro_expansion, scan_macro_cleanup, null_macro_lookup,
c_preprocess_and_parse): New functions.
(c_language_defn, cplus_language_defn, asm_language_defn): Call
c_preprocess_and_parse, instead of c_parse.
* Makefile.in (c_lang_h): Note that this #includes macroexp.h.
(c-lang.o): Note dependency on macroscope.h and gdb_assert.h.
2002-05-18 01:57:48 +08:00
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extern void scan_macro_expansion (char *expansion);
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extern int scanning_macro_expansion (void);
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extern void finished_macro_expansion (void);
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extern macro_lookup_ftype *expression_macro_lookup_func;
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extern void *expression_macro_lookup_baton;
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2000-05-28 09:12:42 +08:00
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extern struct type *c_create_fundamental_type (struct objfile *, int);
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1999-04-16 09:35:26 +08:00
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2002-02-14 02:49:30 +08:00
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extern struct type **const (c_builtin_types[]);
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1999-04-16 09:35:26 +08:00
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/* These are in c-typeprint.c: */
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2000-02-02 08:21:19 +08:00
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extern void c_type_print_base (struct type *, struct ui_file *, int, int);
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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extern void c_type_print_varspec_prefix (struct type *, struct ui_file *,
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int, int);
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1999-04-16 09:35:26 +08:00
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/* These are in cp-valprint.c */
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extern int vtblprint; /* Controls printing of vtbl's */
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extern int static_field_print;
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2000-02-02 08:21:19 +08:00
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extern void cp_print_class_member (char *, struct type *, struct ui_file *,
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char *);
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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extern void cp_print_class_method (char *, struct type *, struct ui_file *);
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1999-04-16 09:35:26 +08:00
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2000-02-02 08:21:19 +08:00
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extern void cp_print_value_fields (struct type *, struct type *, char *,
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int, CORE_ADDR, struct ui_file *, int,
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int, enum val_prettyprint,
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struct type **, int);
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1999-04-16 09:35:26 +08:00
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2000-05-28 09:12:42 +08:00
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extern int cp_is_vtbl_ptr_type (struct type *);
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1999-04-16 09:35:26 +08:00
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2000-05-28 09:12:42 +08:00
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extern int cp_is_vtbl_member (struct type *);
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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#endif /* !defined (C_LANG_H) */
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