PR c++/30897
[official-gcc.git] / gcc / rtl-error.c
blobc1166fdb84b80c7472f7a01141f74d9ce83bdf1a
1 /* RTL specific diagnostic subroutines for GCC
2 Copyright (C) 2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
3 Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #include "config.h"
22 #undef FLOAT /* This is for hpux. They should change hpux. */
23 #undef FFS /* Some systems define this in param.h. */
24 #include "system.h"
25 #include "coretypes.h"
26 #include "tm.h"
27 #include "rtl.h"
28 #include "insn-attr.h"
29 #include "insn-config.h"
30 #include "input.h"
31 #include "toplev.h"
32 #include "intl.h"
33 #include "diagnostic.h"
35 static location_t location_for_asm (const_rtx);
36 static void diagnostic_for_asm (const_rtx, const char *, va_list *, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
38 /* Figure the location of the given INSN. */
39 static location_t
40 location_for_asm (const_rtx insn)
42 rtx body = PATTERN (insn);
43 rtx asmop;
44 location_t loc;
46 /* Find the (or one of the) ASM_OPERANDS in the insn. */
47 if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
48 asmop = SET_SRC (body);
49 else if (GET_CODE (body) == ASM_OPERANDS)
50 asmop = body;
51 else if (GET_CODE (body) == PARALLEL
52 && GET_CODE (XVECEXP (body, 0, 0)) == SET)
53 asmop = SET_SRC (XVECEXP (body, 0, 0));
54 else if (GET_CODE (body) == PARALLEL
55 && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
56 asmop = XVECEXP (body, 0, 0);
57 else
58 asmop = NULL;
60 if (asmop)
61 #ifdef USE_MAPPED_LOCATION
62 loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);
63 #else
65 loc.file = ASM_OPERANDS_SOURCE_FILE (asmop);
66 loc.line = ASM_OPERANDS_SOURCE_LINE (asmop);
68 #endif
69 else
70 loc = input_location;
71 return loc;
74 /* Report a diagnostic MESSAGE (an errror or a WARNING) at the line number
75 of the insn INSN. This is used only when INSN is an `asm' with operands,
76 and each ASM_OPERANDS records its own source file and line. */
77 static void
78 diagnostic_for_asm (const_rtx insn, const char *msg, va_list *args_ptr,
79 diagnostic_t kind)
81 diagnostic_info diagnostic;
83 diagnostic_set_info (&diagnostic, msg, args_ptr,
84 location_for_asm (insn), kind);
85 report_diagnostic (&diagnostic);
88 void
89 error_for_asm (const_rtx insn, const char *gmsgid, ...)
91 va_list ap;
93 va_start (ap, gmsgid);
94 diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);
95 va_end (ap);
98 void
99 warning_for_asm (const_rtx insn, const char *gmsgid, ...)
101 va_list ap;
103 va_start (ap, gmsgid);
104 diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);
105 va_end (ap);
108 void
109 _fatal_insn (const char *msgid, const_rtx insn, const char *file, int line,
110 const char *function)
112 error ("%s", _(msgid));
114 /* The above incremented error_count, but isn't an error that we want to
115 count, so reset it here. */
116 errorcount--;
118 debug_rtx (insn);
119 fancy_abort (file, line, function);
122 void
123 _fatal_insn_not_found (const_rtx insn, const char *file, int line,
124 const char *function)
126 if (INSN_CODE (insn) < 0)
127 _fatal_insn ("unrecognizable insn:", insn, file, line, function);
128 else
129 _fatal_insn ("insn does not satisfy its constraints:",
130 insn, file, line, function);