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Diffstat (limited to 'fixincludes/fixtests.c')
| -rw-r--r-- | fixincludes/fixtests.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/fixincludes/fixtests.c b/fixincludes/fixtests.c new file mode 100644 index 00000000000..44ef97253f5 --- /dev/null +++ b/fixincludes/fixtests.c @@ -0,0 +1,155 @@ + +/* + + Test to see if a particular fix should be applied to a header file. + + Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + += = = = = = = = = = = = = = = = = = = = = = = = = + +NOTE TO DEVELOPERS + +The routines you write here must work closely with fixincl.c. + +Here are the rules: + +1. Every test procedure name must be suffixed with "_test". + These routines will be referenced from inclhack.def, sans the suffix. + +2. Use the "TEST_FOR_FIX_PROC_HEAD()" macro _with_ the "_test" suffix + (I cannot use the ## magic from ANSI C) for defining your entry point. + +3. Put your test name into the FIX_TEST_TABLE + +4. Do not write anything to stdout. It may be closed. + +5. Write to stderr only in the event of a reportable error + In such an event, call "exit(1)". + += = = = = = = = = = = = = = = = = = = = = = = = = + +This file is part of GCC. + +GCC 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, or (at your option) +any later version. + +GCC 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 GCC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "fixlib.h" + +#define _ENV_(v,m,n,t) extern tCC* v; +ENV_TABLE +#undef _ENV_ + +typedef apply_fix_p_t t_test_proc ( tCC* file, tCC* text ); + +typedef struct { + tCC* test_name; + t_test_proc* test_proc; +} test_entry_t; + +#define FIX_TEST_TABLE \ + _FT_( "machine_name", machine_name_test ) \ + _FT_( "stdc_0_in_system_headers", stdc_0_in_system_headers_test ) + +#define TEST_FOR_FIX_PROC_HEAD( test ) \ +static apply_fix_p_t test ( tCC* fname ATTRIBUTE_UNUSED, \ + tCC* text ATTRIBUTE_UNUSED ) + +TEST_FOR_FIX_PROC_HEAD( machine_name_test ) +{ + regex_t *label_re, *name_re; + regmatch_t match[2]; + tCC *base, *limit; + IGNORE_ARG(fname); + + if (!mn_get_regexps (&label_re, &name_re, "machine_name_test")) + return SKIP_FIX; + + for (base = text; + xregexec (label_re, base, 2, match, 0) == 0; + base = limit) + { + base += match[0].rm_eo; + /* We're looking at an #if or #ifdef. Scan forward for the + next non-escaped newline. */ + limit = base; + do + { + limit++; + limit = strchr (limit, '\n'); + if (!limit) + return SKIP_FIX; + } + while (limit[-1] == '\\'); + + /* If the 'name_pat' matches in between base and limit, we have + a bogon. It is not worth the hassle of excluding comments, + because comments on #if/#ifdef/#ifndef lines are rare, + and strings on such lines are illegal. + + REG_NOTBOL means 'base' is not at the beginning of a line, which + shouldn't matter since the name_re has no ^ anchor, but let's + be accurate anyway. */ + + if (xregexec (name_re, base, 1, match, REG_NOTBOL)) + return SKIP_FIX; /* No match in file - no fix needed */ + + /* Match; is it on the line? */ + if (match[0].rm_eo <= limit - base) + return APPLY_FIX; /* Yup */ + + /* Otherwise, keep looking... */ + } + return SKIP_FIX; +} + + +TEST_FOR_FIX_PROC_HEAD( stdc_0_in_system_headers_test ) +{ +#ifdef STDC_0_IN_SYSTEM_HEADERS + return (pz_machine == NULL) ? APPLY_FIX : SKIP_FIX; +#else + return APPLY_FIX; +#endif +} + + +/* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = + + test for fix selector + + THIS IS THE ONLY EXPORTED ROUTINE + +*/ +apply_fix_p_t +run_test( tCC* tname, tCC* fname, tCC* text ) +{ +#define _FT_(n,p) { n, p }, + static test_entry_t test_table[] = { FIX_TEST_TABLE { NULL, NULL }}; +#undef _FT_ +#define TEST_TABLE_CT (ARRAY_SIZE (test_table)-1) + + int ct = TEST_TABLE_CT; + test_entry_t* pte = test_table; + + do + { + if (strcmp( pte->test_name, tname ) == 0) + return (*pte->test_proc)( fname, text ); + pte++; + } while (--ct > 0); + fprintf( stderr, "fixincludes error: the `%s' fix test is unknown\n", + tname ); + exit( 3 ); +} |