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quakeforge/tools/qfcc/source/options.c
Bill Currie f14d8060e0 Merge qfpc into qfcc. 
Since gnu bison and flex are required anyway, no harm in using their api
prefix options. Now, qfcc can compile both QC/Ruamoko and Pascal files
(Pascal is (currently?) NOT supported in progs.src mode), selecting the
language based on the extension: .r, .qc and .c select QC/Ruamoko, .pas and
.p select Pascal, while anything else is treated as an object file (as
before).
2012-10-26 16:01:41 +09:00

650 lines
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/*
options.c
command line options handlnig
Copyright (C) 2001 Jeff Teunissen <deek@d2dc.net>
Author: Jeff Teunissen <deek@d2dc.net>
Date: 2002/06/04
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
#include "QF/pr_comp.h"
#include "QF/va.h"
#include "cpp.h"
#include "linker.h"
#include "options.h"
#include "qfcc.h"
#include "strpool.h"
const char *this_program;
const char **source_files;
static int num_files;
static int files_size;
// keep me sane when adding long options :P
enum {
start_opts = 255, // not used, starts the enum.
OPT_ADVANCED,
OPT_BLOCK_DOT,
OPT_CPP,
OPT_EXTENDED,
OPT_INCLUDE,
OPT_NO_DEFAULT_PATHS,
OPT_PROGDEFS,
OPT_QCCX_ESCAPES,
OPT_TRADITIONAL,
};
static struct option const long_options[] = {
{"advanced", no_argument, 0, OPT_ADVANCED},
{"block-dot", optional_argument, 0, OPT_BLOCK_DOT},
{"code", required_argument, 0, 'C'},
{"cpp", required_argument, 0, OPT_CPP},
{"define", required_argument, 0, 'D'},
{"extended", no_argument, 0, OPT_EXTENDED},
{"files", no_argument, 0, 'F'},
{"help", no_argument, 0, 'h'},
{"include", required_argument, 0, OPT_INCLUDE},
{"no-default-paths", no_argument, 0, OPT_NO_DEFAULT_PATHS},
{"notice", required_argument, 0, 'N'},
{"output-file", required_argument, 0, 'o'},
{"progdefs", no_argument, 0, OPT_PROGDEFS},
{"progs-src", required_argument, 0, 'P'},
{"qccx-escapes", no_argument, 0, OPT_QCCX_ESCAPES},
{"quiet", no_argument, 0, 'q'},
{"relocatable", no_argument, 0, 'r'},
{"save-temps", no_argument, 0, 'S'},
{"source", required_argument, 0, 's'},
{"strip-path", required_argument, 0, 'p'},
{"traditional", no_argument, 0, OPT_TRADITIONAL},
{"undefine", required_argument, 0, 'U'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"warn", required_argument, 0, 'W'},
{NULL, 0, NULL, 0}
};
static const char *short_options =
"-" // magic option parsing mode doohicky (must come first)
"C:" // code options
"c" // separate compilation
"D:" // define
"E" // only preprocess
"F" // generate files.dat
"g" // debug
"h" // help
"I:" // set includes
"L:" // lib path
"l:" // lib file
"M::"
"N:" // notice options
"o:" // output file
"P:" // progs.src name
"p:" // strip path
"q" // quiet
"r" // partial linking
"S" // save temps
"s:" // source dir
"U:" // undefine
"V" // version
"v" // verbose
"W:" // warning options
"z" // compress qfo files
;
static void
usage (int status)
{
printf ("%s - QuakeForge Code Compiler\n", this_program);
printf ("Usage: %s [options] [files]\n", this_program);
printf (
"Options:\n"
" --advanced Advanced Ruamoko mode\n"
" default for separate compilation mode\n"
" -C, --code OPTION,... Set code generation options\n"
" -c Only compile, don't link\n"
" --cpp CPPSPEC cpp execution command line\n"
" -D, --define SYMBOL[=VAL] Define symbols for the preprocessor\n"
" -E Only preprocess\n"
" --extended Allow extended keywords in traditional mode\n"
" -F, --files Generate files.dat\n"
" -g Generate debugging info\n"
" -h, --help Display this help and exit\n"
" -I DIR Set directories for the preprocessor\n"
" to search for #includes\n"
" --include FILE Process file as if `#include \"file\"'\n"
" appeared as the first line of the primary\n"
" source file.\n"
" -L DIR Add linker library search path\n"
" -l LIB Link with libLIB.a\n"
" -M[flags] Generate depency info. Dependent on cpp\n"
" --no-default-paths Do not search default paths for headers or\n"
" libs\n"
" -N, --notice OPTION,... Set notice options\n"
" -o, --output-file FILE Specify output file name\n"
" --progdefs Genderate progdefs.h\n"
" -P, --progs-src FILE File to use instead of progs.src\n"
" -p, --strip-path NUM Strip NUM leading path elements from file\n"
" names\n"
" --qccx-escapes Use QCCX escape sequences instead of standard\n"
" C/QuakeForge sequences.\n"
" -q, --quiet Inhibit usual output\n"
" -r, --relocatable Incremental linking\n"
" -S, --save-temps Do not delete temporary files\n"
" -s, --source DIR Look for progs.src in DIR instead of \".\"\n"
" --traditional Traditional QuakeC mode: implies v6only\n"
" default when using progs.src\n"
" -U, --undefine SYMBOL Undefine preprocessor symbols\n"
" -V, --version Output version information and exit\n"
" -v, --verbose Display more output than usual\n"
" -W, --warn OPTION,... Set warning options\n"
" -z Compress object files\n"
"\n"
"For help on options for --code, --notice and --warn, see the qfcc(1) manual\n"
"page, or use `help' as the option.\n"
);
exit (status);
}
static void
code_usage (void)
{
printf ("%s - QuakeForge Code Compiler\n", this_program);
printf ("Code generation options\n");
printf (
" [no-]cow Allow assignment to initialized globals.\n"
" [no-]cpp Preprocess all input files with cpp.\n"
" [no-]crc Write progdefs.h crc to progs.dat.\n"
" [no-]debug Generate debug information.\n"
" [no-]fast-float Use float values directly in \"if\" statements.\n"
" help Display his text.\n"
" [no-]local-merging Merge the local variable blocks into one.\n"
" [no-]short-circuit Generate short circuit code for logical\n"
" operators.\n"
" [no-]single-cpp Convert progs.src to cpp input file.\n"
" [no-]vector-calls Generate slower but data efficient code for\n"
" passing\n"
" vectors to functiosn.\n"
" [no-]vector-components Create *_[xyz] symbols for vector variables.\n"
" [no-]v6only Restrict output code to version 6 progs\n"
" features.\n"
"\n"
"For details, see the qfcc(1) manual page\n"
);
exit (0);
}
static void
warning_usage (void)
{
printf ("%s - QuakeForge Code Compiler\n", this_program);
printf ("Warnings options\n");
printf (
" all Turn on all warnings.\n"
" [no-]cow Warn about assignement to initialized globals.\n"
" [no-]error Treat warnings as errors.\n"
" [no-]executable Warn about statements with no effect.\n"
" help Display his text.\n"
" [no-]initializer Warn about excessive structure/array\n"
" initializers.\n"
" [no-]integer-divide Warn about division of integer constants.\n"
" [no-]interface-check Warn about methods not declared in the\n"
" interface.\n"
" none Turn off all warnings.\n"
" [no-]precedence Warn about potentially ambiguous logic.\n"
" [no-]redeclared Warn about redeclared local variables.\n"
" [no-]traditional Warn about bad code that qcc allowed.\n"
" [no-]undef-function Warn about calling a yet to be defined\n"
" function.\n"
" [no-]unimplemented Warn about unimplemented class methods.\n"
" [no-]unused Warn about unused local variables.\n"
" [no-]uninited-var Warn about using uninitialied variables.\n"
" [no-]vararg-integer Warn about passing integer constants to\n"
" functions with variable args.\n"
"\n"
"For details, see the qfcc(1) manual page\n"
);
exit (0);
}
static void
notice_usage (void)
{
printf ("%s - QuakeForge Code Compiler\n", this_program);
printf ("Notice options\n");
printf (
" help Display his text.\n"
" none Turn off all notices.\n"
" warn Change notices to warnings.\n"
"\n"
"For details, see the qfcc(1) manual page\n"
);
exit (0);
}
static void
add_file (const char *file)
{
if (num_files >= files_size - 1) {
files_size += 16;
source_files = realloc (source_files, files_size * sizeof (char *));
}
source_files[num_files++] = save_string (file);
source_files[num_files] = 0;
}
int
DecodeArgs (int argc, char **argv)
{
int c;
int saw_E = 0, saw_MD = 0;
add_cpp_def ("-D__QFCC__=1");
add_cpp_def ("-D__QUAKEC__=1");
options.code.short_circuit = -1;
options.code.local_merging = -1;
options.code.vector_components = -1;
options.code.crc = -1;
options.code.fast_float = true;
options.warnings.uninited_variable = true;
options.warnings.unused = true;
options.warnings.executable = true;
options.warnings.traditional = true;
options.warnings.precedence = true;
options.warnings.initializer = true;
options.warnings.unimplemented = true;
options.warnings.redeclared = true;
options.single_cpp = true;
options.save_temps = false;
options.verbosity = 0;
options.strip_path = 0;
sourcedir = "";
progs_src = "progs.src";
while ((c = getopt_long (argc, argv, short_options, long_options, 0))
!= EOF) {
switch (c) {
case 1: // ordinary file
add_file (NORMALIZE (optarg));
break;
case 'o':
if (options.output_file) {
fprintf (stderr, "%s: -o must not be used more than once\n",
this_program);
exit (1);
} else {
options.output_file = save_string (NORMALIZE (optarg));
}
break;
case 'l': // lib file
add_file (va ("-l%s", NORMALIZE (optarg)));
break;
case 'L':
linker_add_path (NORMALIZE (optarg));
break;
case 'h': // help
usage (0);
break;
case 'V': // version
printf ("%s version %s\n", PACKAGE_NAME, PACKAGE_VERSION);
exit (0);
break;
case 's': // src dir
sourcedir = save_string (NORMALIZE (optarg));
break;
case 'P': // progs-src
progs_src = save_string (NORMALIZE (optarg));
break;
case 'p':
options.strip_path = atoi (optarg);
break;
case 'F':
options.files_dat = true;
break;
case OPT_PROGDEFS:
options.progdefs_h = true;
break;
case OPT_QCCX_ESCAPES:
options.qccx_escapes = true;
break;
case 'q': // quiet
options.verbosity -= 1;
break;
case 'v': // verbose
options.verbosity += 1;
break;
case 'g': // debug
options.code.debug = true;
break;
case OPT_EXTENDED:
options.traditional = 1;
options.advanced = false;
options.code.progsversion = PROG_ID_VERSION;
break;
case OPT_TRADITIONAL:
options.traditional = 2;
options.advanced = false;
options.code.progsversion = PROG_ID_VERSION;
break;
case OPT_ADVANCED:
options.traditional = 0;
options.advanced = true;
options.code.progsversion = PROG_VERSION;
break;
case OPT_BLOCK_DOT:
if (optarg) {
char *opts = strdup (optarg);
char *temp = strtok (opts, ",");
while (temp) {
qboolean flag = true;
if (!strncasecmp (temp, "no-", 3)) {
flag = false;
temp += 3;
}
if (!strcasecmp (temp, "initial")) {
options.block_dot.initial = flag;
} else if (!(strcasecmp (temp, "thread"))) {
options.block_dot.thread = flag;
} else if (!(strcasecmp (temp, "dead"))) {
options.block_dot.dead = flag;
} else if (!(strcasecmp (temp, "final"))) {
options.block_dot.final = flag;
}
temp = strtok (NULL, ",");
}
free (opts);
} else {
options.block_dot.initial = true;
options.block_dot.thread = true;
options.block_dot.dead = true;
options.block_dot.final = true;
}
break;
case 'c':
options.compile = true;
break;
case 'r':
options.partial_link = true;
break;
case 'z':
options.gzip = true;
break;
case 'C':{ // code options
char *opts = strdup (optarg);
char *temp = strtok (opts, ",");
while (temp) {
qboolean flag = true;
if (!strncasecmp (temp, "no-", 3)) {
flag = false;
temp += 3;
}
if (!strcasecmp (temp, "cow")) {
options.code.cow = flag;
} else if (!(strcasecmp (temp, "cpp"))) {
cpp_name = flag ? CPP_NAME : 0;
} else if (!(strcasecmp (temp, "crc"))) {
options.code.crc = flag;
} else if (!(strcasecmp (temp, "debug"))) {
options.code.debug = flag;
} else if (!(strcasecmp (temp, "fast-float"))) {
options.code.fast_float = flag;
} else if (!strcasecmp (temp, "help")) {
code_usage ();
} else if (!(strcasecmp (temp, "local-merging"))) {
options.code.local_merging = flag;
} else if (!(strcasecmp (temp, "short-circuit"))) {
options.code.short_circuit = flag;
} else if (!(strcasecmp (temp, "single-cpp"))) {
options.single_cpp = flag;
} else if (!(strcasecmp (temp, "vector-calls"))) {
options.code.vector_calls = flag;
} else if (!(strcasecmp (temp, "vector-components"))) {
options.code.vector_components = flag;
} else if (!(strcasecmp (temp, "v6only"))) {
if (flag)
options.code.progsversion = PROG_ID_VERSION;
else
options.code.progsversion = PROG_VERSION;
}
temp = strtok (NULL, ",");
}
free (opts);
}
break;
case 'W':{ // warning options
char *opts = strdup (optarg);
char *temp = strtok (opts, ",");
while (temp) {
if (!(strcasecmp (temp, "all"))) {
options.warnings.cow = true;
options.warnings.undefined_function = true;
options.warnings.uninited_variable = true;
options.warnings.vararg_integer = true;
options.warnings.integer_divide = true;
options.warnings.interface_check = true;
options.warnings.unused = true;
options.warnings.executable = true;
options.warnings.traditional = true;
options.warnings.precedence = true;
options.warnings.initializer = true;
options.warnings.unimplemented = true;
options.warnings.redeclared = true;
} else if (!(strcasecmp (temp, "none"))) {
options.warnings.cow = false;
options.warnings.undefined_function = false;
options.warnings.uninited_variable = false;
options.warnings.vararg_integer = false;
options.warnings.integer_divide = false;
options.warnings.interface_check = false;
options.warnings.unused = false;
options.warnings.executable = false;
options.warnings.traditional = false;
options.warnings.precedence = false;
options.warnings.initializer = false;
options.warnings.unimplemented = false;
options.warnings.redeclared = false;
} else {
qboolean flag = true;
if (!strncasecmp (temp, "no-", 3)) {
flag = false;
temp += 3;
}
if (!(strcasecmp (temp, "cow"))) {
options.warnings.cow = flag;
} else if (!strcasecmp (temp, "error")) {
options.warnings.promote = flag;
} else if (!strcasecmp (temp, "executable")) {
options.warnings.executable = flag;
} else if (!strcasecmp (temp, "help")) {
warning_usage ();
} else if (!strcasecmp (temp, "initializer")) {
options.warnings.initializer = flag;
} else if (!strcasecmp (temp, "integer-divide")) {
options.warnings.integer_divide = flag;
} else if (!strcasecmp (temp, "interface-check")) {
options.warnings.interface_check = flag;
} else if (!strcasecmp (temp, "precedence")) {
options.warnings.precedence = flag;
} else if (!strcasecmp (temp, "redeclared")) {
options.warnings.redeclared = flag;
} else if (!strcasecmp (temp, "traditional")) {
options.warnings.traditional = flag;
} else if (!strcasecmp (temp, "undef-function")) {
options.warnings.undefined_function = flag;
} else if (!strcasecmp (temp, "unimplemented")) {
options.warnings.unimplemented = flag;
} else if (!strcasecmp (temp, "unused")) {
options.warnings.unused = flag;
} else if (!strcasecmp (temp, "uninited-var")) {
options.warnings.uninited_variable = flag;
} else if (!strcasecmp (temp, "vararg-integer")) {
options.warnings.vararg_integer = flag;
}
}
temp = strtok (NULL, ",");
}
free (opts);
}
break;
case 'N':{ // notice options
char *opts = strdup (optarg);
char *temp = strtok (opts, ",");
while (temp) {
if (!strcasecmp (temp, "help")) {
notice_usage ();
} else if (!(strcasecmp (temp, "none"))) {
options.notices.silent = true;
} else if (!(strcasecmp (temp, "warn"))) {
options.notices.promote = true;
}
temp = strtok (NULL, ",");
}
free (opts);
}
break;
case OPT_CPP: // --cpp=
cpp_name = save_string (optarg);
break;
case 'S': // save temps
options.save_temps = true;
break;
case 'D': // defines for cpp
add_cpp_def (nva ("%s%s", "-D", optarg));
break;
case 'E': // defines for cpp
saw_E = 1;
options.preprocess_only = 1;
add_cpp_def ("-E");
break;
case OPT_INCLUDE: // include-file
add_cpp_def (nva ("%s", "-include"));
add_cpp_def (nva ("%s", optarg));
break;
case 'I': // includes
add_cpp_def (nva ("%s%s", "-I", optarg));
break;
case 'U': // undefines
add_cpp_def (nva ("%s%s", "-U", optarg));
break;
case 'M':
options.preprocess_only = 1;
if (optarg) {
add_cpp_def (nva ("-M%s", optarg));
if (strchr (optarg, 'D'))
saw_MD = 1;
if (strchr ("FQT", optarg[0]))
add_cpp_def (argv[optind++]);
} else {
options.preprocess_only = 1;
add_cpp_def (nva ("-M"));
}
break;
case OPT_NO_DEFAULT_PATHS:
options.no_default_paths = 1;
break;
default:
usage (1);
}
}
if (!cpp_name)
options.single_cpp = 0;
if (saw_E && saw_MD) {
fprintf (stderr, "%s: cannot use -E and -MD together\n", this_program);
exit (1);
}
if (saw_MD)
options.preprocess_only = 0;
if (!source_files && !options.advanced) {
// progs.src mode without --advanced implies --traditional
// but --extended overrides
if (!options.traditional)
options.traditional = 2;
options.advanced = false;
if (!options.code.progsversion)
options.code.progsversion = PROG_ID_VERSION;
if (options.code.short_circuit == (qboolean) -1)
options.code.short_circuit = false;
if (options.code.local_merging == (qboolean) -1)
options.code.local_merging = false;
if (options.code.vector_components == (qboolean) -1)
options.code.vector_components = true;
}
if (!options.code.progsversion)
options.code.progsversion = PROG_VERSION;
if (!options.traditional) {
options.advanced = true;
add_cpp_def ("-D__RUAMOKO__=1");
add_cpp_def ("-D__RAUMOKO__=1");
if (options.code.short_circuit == (qboolean) -1)
options.code.short_circuit = true;
if (options.code.local_merging == (qboolean) -1)
options.code.local_merging = true;
if (options.code.vector_components == (qboolean) -1)
options.code.vector_components = false;
}
if (options.code.progsversion == PROG_ID_VERSION) {
add_cpp_def ("-D__VERSION6__=1");
if (options.code.crc == (qboolean) -1)
options.code.crc = true;
} else {
if (options.code.crc == (qboolean) -1)
options.code.crc = false;
}
// add the default paths
if (!options.no_default_paths) {
add_cpp_def (nva ("-I%s", QFCC_INCLUDE_PATH));
linker_add_path (QFCC_LIB_PATH);
}
if (options.verbosity >= 3) {
qc_yydebug = 1;
qp_yydebug = 1;
}
return optind;
}
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