8sa1-gcc/gcc/java/jvspec.c
Kaveh R. Ghazi df32d2ce42 buffer.h: PROTO -> PARAMS.
* buffer.h: PROTO -> PARAMS.
        * check-init.c: Likewise.
        * class.c: Likewise.
        * constants.c: Likewise.
        * convert.h: Likewise.
        * decl.c: Likewise.
        * except.c: Likewise.
        * expr.c: Likewise.
        * gjavah.c: Likewise.
        * java-except.h: Likewise.
        * java-tree.h: Likewise.
        * jcf-depend.c: Likewise.
        * jcf-dump.c: Likewise.
        * jcf-parse.c: Likewise.
        * jcf-path.c: Likewise.
        * jcf-reader.c: Likewise.
        * jcf-write.c: Likewise.
        * jcf.h: Likewise.
        * jv-scan.c: Likewise.
        * jvgenmain.c: Likewise.
        * jvspec.c: Likewise.
        * lang.c: Likewise.
        * lex.c: Likewise.
        * lex.h: Likewise.
        * parse-scan.y: Likewise.
        * parse.h: Likewise.
        * parse.y: Likewise.
        * typeck.c: Likewise.
        * verify.c: Likewise.
        * xref.c: Likewise.
        * xref.h: Likewise.
        * zextract.c: Likewise.
        * zipfile.h: Likewise.

From-SVN: r31550
2000-01-21 20:57:00 +00:00

497 lines
13 KiB
C

/* Specific flags and argument handling of the front-end of the
GNU compiler for the Java(TM) language.
Copyright (C) 1996, 97-99, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
The Free Software Foundation is independent of Sun Microsystems, Inc. */
#include "config.h"
#include "system.h"
#include "gcc.h"
/* Name of spec file. */
#define SPEC_FILE "libgcj.spec"
/* This bit is set if we saw a `-xfoo' language specification. */
#define LANGSPEC (1<<1)
/* True if this arg is a parameter to the previous option-taking arg. */
#define PARAM_ARG (1<<2)
/* True if this arg is a .java input file name. */
#define JAVA_FILE_ARG (1<<3)
/* True if this arg is a .class input file name. */
#define CLASS_FILE_ARG (1<<4)
static char *find_spec_file PARAMS ((const char *));
static const char *main_class_name = NULL;
int lang_specific_extra_outfiles = 0;
/* Once we have the proper support in jc1 (and gcc.c) working,
set COMBINE_INPUTS to one. This enables combining multiple *.java
and *.class input files to be passed to a single jc1 invocation. */
#define COMBINE_INPUTS 0
const char jvgenmain_spec[] =
"jvgenmain %{D*} %i %{!pipe:%umain.i} |\n\
cc1 %{!pipe:%Umain.i} %1 \
%{!Q:-quiet} -dumpbase %b.c %{d*} %{m*} %{a*}\
%{g*} %{O*} \
%{v:-version} %{pg:-p} %{p} %{f*}\
%{aux-info*}\
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%Umain.s}} |\n\
%{!S:as %a %Y -o %d%w%umain%O %{!pipe:%Umain.s} %A\n }";
/* Return full path name of spec file if it is in DIR, or NULL if
not. */
static char *
find_spec_file (dir)
const char *dir;
{
char *spec;
int x;
struct stat sb;
spec = (char *) xmalloc (strlen (dir) + sizeof (SPEC_FILE)
+ sizeof ("-specs=") + 4);
strcpy (spec, "-specs=");
x = strlen (spec);
strcat (spec, dir);
strcat (spec, "/");
strcat (spec, SPEC_FILE);
if (! stat (spec + x, &sb))
return spec;
free (spec);
return NULL;
}
void
lang_specific_driver (in_argc, in_argv, in_added_libraries)
int *in_argc;
char ***in_argv;
int *in_added_libraries;
{
int i, j;
/* If non-zero, the user gave us the `-v' flag. */
int saw_verbose_flag = 0;
/* This will be 0 if we encounter a situation where we should not
link in libgcj. */
int library = 1;
#if COMBINE_INPUTS
/* This will be 1 if multiple input files (.class and/or .java)
should be passed to a single jc1 invocation. */
int combine_inputs = 0;
/* Index of last .java or .class argument. */
int last_input_index;
/* A buffer containing the concatenation of the inputs files
(e.g. "foo.java&bar.class&baz.class"). if combine_inputs. */
char* combined_inputs_buffer;
/* Next available location in combined_inputs_buffer. */
int combined_inputs_pos;
/* Number of .java and .class source file arguments seen. */
int java_files_count = 0;
int class_files_count = 0;
/* Cumulative length of the .java and .class source file names. */
int java_files_length = 0;
int class_files_length = 0;
#endif
/* The number of arguments being added to what's in argv, other than
libraries. We use this to track the number of times we've inserted
-xc++/-xnone. */
int added = 2;
/* Used to track options that take arguments, so we don't go wrapping
those with -xc++/-xnone. */
const char *quote = NULL;
/* The new argument list will be contained in this. */
char **real_arglist;
const char **arglist;
/* Non-zero if we saw a `-xfoo' language specification on the
command line. Used to avoid adding our own -xc++ if the user
already gave a language for the file. */
int saw_speclang = 0;
/* "-lm" or "-lmath" if it appears on the command line. */
const char *saw_math ATTRIBUTE_UNUSED = 0;
/* "-lc" if it appears on the command line. */
const char *saw_libc ATTRIBUTE_UNUSED = 0;
/* "-lgcjgc" if it appears on the command line. */
const char *saw_gc ATTRIBUTE_UNUSED = 0;
/* Saw `-l' option for the thread library. */
const char *saw_threadlib ATTRIBUTE_UNUSED = 0;
/* Saw `-lgcj' on command line. */
int saw_libgcj ATTRIBUTE_UNUSED = 0;
/* Saw -C or -o option, respectively. */
int saw_C = 0;
int saw_o = 0;
/* Saw some -O* or -g* option, respectively. */
int saw_O = 0;
int saw_g = 0;
/* Saw a `-D' option. */
int saw_D = 0;
/* An array used to flag each argument that needs a bit set for
LANGSPEC, MATHLIB, WITHLIBC, or GCLIB. */
int *args;
/* The total number of arguments with the new stuff. */
int argc;
/* The argument list. */
char **argv;
/* The number of libraries added in. */
int added_libraries;
/* The total number of arguments with the new stuff. */
int num_args = 1;
/* Non-zero if linking is supposed to happen. */
int will_link = 1;
/* Non-zero if we want to find the spec file. */
int want_spec_file = 1;
/* The argument we use to specify the spec file. */
char *spec_file = NULL;
argc = *in_argc;
argv = *in_argv;
added_libraries = *in_added_libraries;
args = (int *) xcalloc (argc, sizeof (int));
for (i = 1; i < argc; i++)
{
/* If the previous option took an argument, we swallow it here. */
if (quote)
{
quote = NULL;
args[i] |= PARAM_ARG;
continue;
}
/* We don't do this anymore, since we don't get them with minus
signs on them. */
if (argv[i][0] == '\0' || argv[i][1] == '\0')
continue;
if (argv[i][0] == '-')
{
if (library != 0 && (strcmp (argv[i], "-nostdlib") == 0
|| strcmp (argv[i], "-nodefaultlibs") == 0))
{
library = 0;
}
else if (strncmp (argv[i], "-fmain=", 7) == 0)
{
main_class_name = argv[i] + 7;
added--;
}
else if (strcmp (argv[i], "-fhelp") == 0)
want_spec_file = 0;
else if (strcmp (argv[i], "-v") == 0)
{
saw_verbose_flag = 1;
if (argc == 2)
{
/* If they only gave us `-v', don't try to link
in libgcj. */
library = 0;
}
}
else if (strncmp (argv[i], "-x", 2) == 0)
saw_speclang = 1;
else if (strcmp (argv[i], "-C") == 0)
{
saw_C = 1;
want_spec_file = 0;
#if COMBINE_INPUTS
combine_inputs = 1;
#endif
if (library != 0)
added -= 2;
library = 0;
will_link = 0;
}
else if (argv[i][1] == 'D')
saw_D = 1;
else if (argv[i][1] == 'g')
saw_g = 1;
else if (argv[i][1] == 'O')
saw_O = 1;
else if (((argv[i][2] == '\0'
&& (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)
|| strcmp (argv[i], "-Tdata") == 0))
{
if (strcmp (argv[i], "-o") == 0)
saw_o = 1;
quote = argv[i];
}
else if (strcmp(argv[i], "-classpath") == 0
|| strcmp(argv[i], "-CLASSPATH") == 0)
{
quote = argv[i];
added -= 1;
}
else if (library != 0
&& ((argv[i][2] == '\0'
&& (char *) strchr ("cSEM", argv[i][1]) != NULL)
|| strcmp (argv[i], "-MM") == 0))
{
/* Don't specify libraries if we won't link, since that would
cause a warning. */
library = 0;
added -= 2;
/* Remember this so we can confirm -fmain option. */
will_link = 0;
}
else if (strcmp (argv[i], "-d") == 0)
{
/* `-d' option is for javac compatibility. */
quote = argv[i];
added -= 1;
}
else if (strcmp (argv[i], "-fsyntax-only") == 0
|| strcmp (argv[i], "--syntax-only") == 0)
{
want_spec_file = 0;
library = 0;
will_link = 0;
continue;
}
else
/* Pass other options through. */
continue;
}
else
{
#if COMBINE_INPUTS
int len;
#endif
if (saw_speclang)
{
saw_speclang = 0;
continue;
}
#if COMBINE_INPUTS
len = strlen (argv[i]);
if (len > 5 && strcmp (argv[i] + len - 5, ".java") == 0)
{
args[i] |= JAVA_FILE_ARG;
java_files_count++;
java_files_length += len;
last_input_index = i;
}
if (len > 6 && strcmp (argv[i] + len - 6, ".class") == 0)
{
args[i] |= CLASS_FILE_ARG;
class_files_count++;
class_files_length += len;
last_input_index = i;
}
#endif
}
}
if (quote)
fatal ("argument to `%s' missing\n", quote);
if (saw_D && ! main_class_name)
fatal ("can't specify `-D' without `--main'\n");
num_args = argc + added;
if (saw_C)
{
num_args += 3;
#if COMBINE_INPUTS
class_files_length = 0;
num_args -= class_files_count;
num_args += 2; /* For -o NONE. */
#endif
if (saw_o)
fatal ("cannot specify both -C and -o");
}
#if COMBINE_INPUTS
if (saw_o && java_files_count + (saw_C ? 0 : class_files_count) > 1)
combine_inputs = 1;
if (combine_inputs)
{
int len = java_files_length + java_files_count - 1;
num_args -= java_files_count;
num_args++; /* Add one for the combined arg. */
if (class_files_length > 0)
{
len += class_files_length + class_files_count - 1;
num_args -= class_files_count;
}
combined_inputs_buffer = (char*) xmalloc (len);
combined_inputs_pos = 0;
}
/* If we know we don't have to do anything, bail now. */
#endif
#if 0
if (! added && ! library && main_class_name == NULL && ! saw_C)
{
free (args);
return;
}
#endif
if (main_class_name)
{
lang_specific_extra_outfiles++;
}
if (saw_g + saw_O == 0)
num_args++;
num_args++;
arglist = (const char **)
(real_arglist = (char **) xmalloc ((num_args + 1) * sizeof (char *)));
for (i = 0, j = 0; i < argc; i++, j++)
{
arglist[j] = argv[i];
if ((args[i] & PARAM_ARG) || i == 0)
continue;
if (strcmp (argv[i], "-classpath") == 0
|| strcmp (argv[i], "-CLASSPATH") == 0)
{
char* patharg
= (char*) xmalloc (strlen (argv[i]) + strlen (argv[i+1]) + 3);
sprintf (patharg, "-f%s=%s", argv[i]+1, argv[i+1]);
arglist[j] = patharg;
i++;
continue;
}
if (strcmp (argv[i], "-d") == 0)
{
char *patharg = (char *) xmalloc (sizeof ("-foutput-class-dir=")
+ strlen (argv[i + 1]) + 1);
sprintf (patharg, "-foutput-class-dir=%s", argv[i + 1]);
arglist[j] = patharg;
++i;
continue;
}
if (spec_file == NULL && strncmp (argv[i], "-L", 2) == 0)
spec_file = find_spec_file (argv[i] + 2);
if (strncmp (argv[i], "-fmain=", 7) == 0)
{
if (! will_link)
fatal ("cannot specify `main' class when not linking");
--j;
continue;
}
if ((args[i] & CLASS_FILE_ARG) && saw_C)
{
--j;
continue;
}
#if COMBINE_INPUTS
if (combine_inputs && (args[i] & (CLASS_FILE_ARG|JAVA_FILE_ARG)) != 0)
{
if (combined_inputs_pos > 0)
combined_inputs_buffer[combined_inputs_pos++] = '&';
strcpy (&combined_inputs_buffer[combined_inputs_pos], argv[i]);
combined_inputs_pos += strlen (argv[i]);
--j;
continue;
}
#endif
}
#if COMBINE_INPUTS
if (combine_inputs)
{
combined_inputs_buffer[combined_inputs_pos] = '\0';
#if 0
if (! saw_C)
#endif
arglist[j++] = combined_inputs_buffer;
}
#endif
/* If we saw no -O or -g option, default to -g1, for javac compatibility. */
if (saw_g + saw_O == 0)
arglist[j++] = "-g1";
/* Read the specs file corresponding to libgcj.
If we didn't find the spec file on the -L path, then we hope it
is somewhere in the standard install areas. */
if (want_spec_file)
arglist[j++] = spec_file == NULL ? "-specs=libgcj.spec" : spec_file;
if (saw_C)
{
arglist[j++] = "-fsyntax-only";
arglist[j++] = "-femit-class-files";
arglist[j++] = "-S";
#if COMBINE_INPUTS
arglist[j++] = "-o";
arglist[j++] = "NONE";
#endif
}
arglist[j] = NULL;
*in_argc = j;
*in_argv = real_arglist;
*in_added_libraries = added_libraries;
}
int
lang_specific_pre_link ()
{
if (main_class_name == NULL)
return 0;
input_filename = main_class_name;
input_filename_length = strlen (main_class_name);
return do_spec (jvgenmain_spec);
}