summaryrefslogtreecommitdiff
path: root/libiberty/testsuite/test-demangle.c
blob: 6e5d0b4b9731b160b0efe85d522b2ffa2b4ba230 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/* Demangler test program,
   Copyright (C) 2002 Free Software Foundation, Inc.
   Written by Zack Weinberg <zack@codesourcery.com

   This file is part of GNU libiberty.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
*/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ansidecl.h"
#include <stdio.h>
#include "libiberty.h"
#include "demangle.h"

struct line
{
  size_t alloced;
  char *data;
};

static unsigned int lineno;

/* Safely read a single line of arbitrary length from standard input.  */

#define LINELEN 80

static void
getline(buf)
     struct line *buf;
{
  char *data = buf->data;
  size_t alloc = buf->alloced;
  size_t count = 0;
  int c;

  if (data == 0)
    {
      data = xmalloc (LINELEN);
      alloc = LINELEN;
    }

  /* Skip comment lines.  */
  while ((c = getchar()) == '#')
    {
      while ((c = getchar()) != EOF && c != '\n');
      lineno++;
    }

  /* c is the first character on the line, and it's not a comment
     line: copy this line into the buffer and return.  */
  while (c != EOF && c != '\n')
    {
      if (count + 1 >= alloc)
	{
	  alloc *= 2;
	  data = xrealloc (data, alloc);
	}
      data[count++] = c;
      c = getchar();
    }
  lineno++;
  data[count] = '\0';

  buf->data = data;
  buf->alloced = alloc;
}

/* The tester operates on a data file consisting of triples of lines:
   format switch
   input to be demangled
   expected output

   The format switch is expected to be either the empty string, a
   line of the form --format=<name>, or just <name> by itself.  */

#define FORMATS "--format="
#define FORMATL (sizeof FORMATS - 1)

int
main(argc, argv)
     int argc;
     char **argv;
{
  enum demangling_styles style;
  struct line format;
  struct line input;
  struct line expect;
  char *fstyle;
  char *result;
  int failures = 0;
  int tests = 0;

  if (argc > 1)
    {
      fprintf (stderr, "usage: %s < test-set\n", argv[0]);
      return 2;
    }

  format.data = 0;
  input.data = 0;
  expect.data = 0;

  for (;;)
    {
      getline (&format);
      if (feof (stdin))
	break;

      getline (&input);
      getline (&expect);

      tests++;

      fstyle = format.data;
      if (!strncmp (fstyle, FORMATS, FORMATL))
	fstyle += FORMATL;

      if (fstyle[0] == '\0')
	style = auto_demangling;
      else
	style = cplus_demangle_name_to_style (fstyle);

      if (style == unknown_demangling)
	{
	  printf ("FAIL at line %d: unknown demangling style %s\n",
		  lineno, fstyle);
	  failures++;
	  continue;
	}

      cplus_demangle_set_style (style);

      result = cplus_demangle (input.data,
			       DMGL_PARAMS|DMGL_ANSI|DMGL_VERBOSE|DMGL_TYPES);

      if (result
	  ? strcmp (result, expect.data)
	  : strcmp (input.data, expect.data))
	{
	  printf ("\
FAIL at line %d, style %s:\n\
in:  %s\n\
out: %s\n\
exp: %s\n",
		   lineno, fstyle,
		   input.data,
		   result,
		   expect.data);
	  failures++;
	}
      free (result);
    }

  free (format.data);
  free (input.data);
  free (expect.data);

  printf ("%s: %d tests, %d failures\n", argv[0], tests, failures);
  return failures ? 1 : 0;
}