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quakeforge/tools/qfcc/source/options.c
Bill Currie 8a2788c267 [gamecode] Add PROG_V6P_VERSION and bump PROG_VERSION 
This allows the VM to select the right execution loop and qfcc currently
still produces only the old IS (it doesn't know how to deal with the new
IS yet)
2022-01-03 13:56:43 +09:00

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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 "tools/qfcc/include/cpp.h"
#include "tools/qfcc/include/linker.h"
#include "tools/qfcc/include/options.h"
#include "tools/qfcc/include/qfcc.h"
#include "tools/qfcc/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_FRAMES,
OPT_INCLUDE,
OPT_NO_DEFAULT_PATHS,
OPT_PROGDEFS,
OPT_QCCX_ESCAPES,
OPT_TRADITIONAL,
OPT_BUG,
};
static struct option const long_options[] = {
{"advanced", no_argument, 0, OPT_ADVANCED},
{"block-dot", optional_argument, 0, OPT_BLOCK_DOT},
{"bug", required_argument, 0, OPT_BUG},
{"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'},
{"frames", no_argument, 0, OPT_FRAMES},
{"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'},
{"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
"O" // optimize
"P:" // progs.src name
"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"
" --bug OPTION,... Set bug options\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"
" --frames Generate <source>.frame files\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"
" --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-]const-initializers Treat initialized globals as constants.\n"
" [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 this text.\n"
" [no-]local-merging Merge the local variable blocks into one.\n"
" [no-]optimize Perform various optimizations on the code.\n"
" [no-]promote-float Promote float when passed through ...\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-]switch Warn about unhandled enum values in switch\n"
" statements.\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
bug_usage (void)
{
printf ("%s - QuakeForge Code Compiler\n", this_program);
printf ("Bug options\n");
printf (
" help Display his text.\n"
" none Turn off all bugs (don't we wish: messages).\n"
" die Change bugs to internal errors.\n"
"\n"
"This is a developer feature and thus not in the 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_undef ("-undef");
add_cpp_undef ("-nostdinc");
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.code.promote_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.warnings.enum_switch = true;
options.single_cpp = true;
options.save_temps = false;
options.verbosity = 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 (0, "-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 '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 'O': // optimize
options.code.optimize = true;
break;
case OPT_FRAMES:
options.frames_files = 1;
break;
case OPT_EXTENDED:
options.traditional = 1;
options.advanced = false;
options.code.progsversion = PROG_ID_VERSION;
options.code.const_initializers = true;
break;
case OPT_TRADITIONAL:
options.traditional = 2;
options.advanced = false;
options.code.progsversion = PROG_ID_VERSION;
options.code.const_initializers = true;
break;
case OPT_ADVANCED:
options.traditional = 0;
options.advanced = true;
options.code.progsversion = PROG_V6P_VERSION;
options.code.const_initializers = false;
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;
} else if (!(strcasecmp (temp, "dags"))) {
options.block_dot.dags = flag;
} else if (!(strcasecmp (temp, "expr"))) {
options.block_dot.expr = flag;
} else if (!(strcasecmp (temp, "flow"))) {
options.block_dot.flow = flag;
} else if (!(strcasecmp (temp, "reaching"))) {
options.block_dot.reaching = flag;
} else if (!(strcasecmp (temp, "statements"))) {
options.block_dot.statements = flag;
} else if (!(strcasecmp (temp, "live"))) {
options.block_dot.live = flag;
} else if (!(strcasecmp (temp, "post"))) {
options.block_dot.post = 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;
options.block_dot.dags = true;
options.block_dot.expr = true;
options.block_dot.flow = true;
options.block_dot.reaching = true;
options.block_dot.statements = true;
options.block_dot.live = true;
options.block_dot.post = 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, "promote-float"))) {
options.code.promote_float = flag;
} else if (!strcasecmp (temp, "help")) {
code_usage ();
} else if (!(strcasecmp (temp, "local-merging"))) {
options.code.local_merging = flag;
} else if (!(strcasecmp (temp, "optimize"))) {
options.code.optimize = flag;
} else if (!(strcasecmp (temp, "short-circuit"))) {
options.code.short_circuit = flag;
} else if (!(strcasecmp (temp, "ifstring"))) {
options.code.ifstring = 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_V6P_VERSION;
} else if (!(strcasecmp (temp, "const-initializers"))) {
options.code.const_initializers = flag;
}
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;
options.warnings.enum_switch = 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;
options.warnings.enum_switch = 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, "switch")) {
options.warnings.enum_switch = 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_BUG:{
char *opts = strdup (optarg);
char *temp = strtok (opts, ",");
while (temp) {
if (!strcasecmp (temp, "help")) {
bug_usage ();
} else if (!(strcasecmp (temp, "none"))) {
options.bug.silent = true;
} else if (!(strcasecmp (temp, "die"))) {
options.bug.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.ifstring == (qboolean) -1)
options.code.ifstring = false;
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_V6P_VERSION;
if (!options.traditional) {
options.advanced = true;
add_cpp_def ("-D__RUAMOKO__=1");
add_cpp_def ("-D__RAUMOKO__=1");
if (options.code.ifstring == (qboolean) -1)
options.code.ifstring = false;
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;
} else {
options.code.promote_float = 0;
}
if (options.code.progsversion == PROG_ID_VERSION) {
options.code.promote_float = 0;
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_sysinc ("-isystem");
add_cpp_sysinc (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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