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/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016 Z. Gilboa */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <slibtool/slibtool.h>
#include "slibtool_driver_impl.h"
#ifndef SLBT_DRIVER_FLAGS
#define SLBT_DRIVER_FLAGS SLBT_DRIVER_VERBOSITY_ERRORS \
| SLBT_DRIVER_VERBOSITY_USAGE
#endif
static const char vermsg[] = "%s%s%s (git://midipix.org/slibtool): "
"version %s%d.%d.%d%s.\n"
"[commit reference: %s%s%s]\n";
static const char * const slbt_ver_color[6] = {
"\x1b[1m\x1b[35m","\x1b[0m",
"\x1b[1m\x1b[32m","\x1b[0m",
"\x1b[1m\x1b[34m","\x1b[0m"
};
static const char * const slbt_ver_plain[6] = {
"","",
"","",
"",""
};
static ssize_t slibtool_version(struct slbt_driver_ctx * dctx)
{
const struct slbt_source_version * verinfo;
const char * const * verclr;
verinfo = slbt_source_version();
verclr = isatty(STDOUT_FILENO) ? slbt_ver_color : slbt_ver_plain;
return fprintf(stdout,vermsg,
verclr[0],dctx->program,verclr[1],
verclr[2],verinfo->major,verinfo->minor,
verinfo->revision,verclr[3],
verclr[4],verinfo->commit,verclr[5]);
}
static void slibtool_perform_driver_actions(struct slbt_driver_ctx * dctx)
{
if (dctx->cctx->drvflags & SLBT_DRIVER_CONFIG)
dctx->nerrors += (slbt_output_config(dctx) < 0);
if (dctx->cctx->mode == SLBT_MODE_COMPILE)
dctx->nerrors += (slbt_exec_compile(dctx,0) < 0);
if (dctx->cctx->mode == SLBT_MODE_EXECUTE)
dctx->nerrors += (slbt_exec_execute(dctx,0) < 0);
if (dctx->cctx->mode == SLBT_MODE_INSTALL)
dctx->nerrors += (slbt_exec_install(dctx,0) < 0);
if (dctx->cctx->mode == SLBT_MODE_LINK)
dctx->nerrors += (slbt_exec_link(dctx,0) < 0);
}
static void slibtool_perform_unit_actions(struct slbt_unit_ctx * uctx)
{
}
static int slibtool_exit(struct slbt_driver_ctx * dctx, int nerrors)
{
if (nerrors && errno)
strerror(errno);
slbt_free_driver_ctx(dctx);
return nerrors ? 2 : 0;
}
int slibtool_main(int argc, char ** argv, char ** envp)
{
int ret;
uint64_t flags;
struct slbt_driver_ctx * dctx;
struct slbt_unit_ctx * uctx;
const char ** unit;
char * program;
char * dash;
char * sargv[5];
/* --version only? */
if ((argc == 2) && (!strcmp(argv[1],"--version")
|| !strcmp(argv[1],"--help-all")
|| !strcmp(argv[1],"--help")
|| !strcmp(argv[1],"-h"))) {
sargv[0] = argv[0];
sargv[1] = argv[1];
sargv[2] = "--mode=compile";
sargv[3] = "<compiler>";
sargv[4] = 0;
return (slbt_get_driver_ctx(sargv,envp,SLBT_DRIVER_FLAGS,&dctx))
? 2 : (slibtool_version(dctx) < 0)
? slibtool_exit(dctx,2)
: slibtool_exit(dctx,0);
}
/* program */
if ((program = strrchr(argv[0],'/')))
program++;
else
program = argv[0];
/* dash */
if ((dash = strrchr(program,'-')))
dash++;
/* flags */
if (dash == 0)
flags = SLBT_DRIVER_FLAGS;
else if (!(strcmp(dash,"shared")))
flags = SLBT_DRIVER_FLAGS | SLBT_DRIVER_DISABLE_STATIC;
else if (!(strcmp(dash,"static")))
flags = SLBT_DRIVER_FLAGS | SLBT_DRIVER_DISABLE_SHARED;
else
flags = SLBT_DRIVER_FLAGS;
/* driver context */
if ((ret = slbt_get_driver_ctx(argv,envp,flags,&dctx)))
return (ret == SLBT_USAGE) ? !--argc : 2;
if (dctx->cctx->drvflags & SLBT_DRIVER_VERSION)
if ((slibtool_version(dctx)) < 0)
return slibtool_exit(dctx,2);
slibtool_perform_driver_actions(dctx);
ret += dctx->nerrors;
for (unit=dctx->units; *unit; unit++) {
if (!(slbt_get_unit_ctx(dctx,*unit,&uctx))) {
slibtool_perform_unit_actions(uctx);
ret += uctx->nerrors;
slbt_free_unit_ctx(uctx);
}
}
return slibtool_exit(dctx,ret);
}
#ifndef SLIBTOOL_IN_A_BOX
int main(int argc, char ** argv, char ** envp)
{
return slibtool_main(argc,argv,envp);
}
#endif
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