diff options
Diffstat (limited to 'src/driver')
| -rw-r--r-- | src/driver/slbt_amain.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/driver/slbt_amain.c b/src/driver/slbt_amain.c new file mode 100644 index 0000000..073f540 --- /dev/null +++ b/src/driver/slbt_amain.c @@ -0,0 +1,172 @@ +/*******************************************************************/ +/* 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" + "%s%s%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 slbt_version(struct slbt_driver_ctx * dctx) +{ + const struct slbt_source_version * verinfo; + const char * const * verclr; + bool gitver; + + verinfo = slbt_source_version(); + verclr = isatty(STDOUT_FILENO) ? slbt_ver_color : slbt_ver_plain; + gitver = strcmp(verinfo->commit,"unknown"); + + return fprintf(stdout,vermsg, + verclr[0],dctx->program,verclr[1], + verclr[2],verinfo->major,verinfo->minor, + verinfo->revision,verclr[3], + gitver ? "[commit reference: " : "", + verclr[4],gitver ? verinfo->commit : "", + verclr[5],gitver ? "]" : ""); +} + +static void slbt_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 slbt_perform_unit_actions(struct slbt_unit_ctx * uctx) +{ + (void)uctx; +} + +static int slbt_exit(struct slbt_driver_ctx * dctx, int nerrors) +{ + if (nerrors && errno) + strerror(errno); + + slbt_free_driver_ctx(dctx); + return nerrors ? 2 : 0; +} + +int slbt_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 : (slbt_version(dctx) < 0) + ? slbt_exit(dctx,2) + : slbt_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; + + /* debug */ + if (!(strcmp(program,"dlibtool"))) + flags |= SLBT_DRIVER_DEBUG; + + else if (!(strncmp(program,"dlibtool",8))) + if ((program[8] == '-') || (program[8] == '.')) + flags |= SLBT_DRIVER_DEBUG; + + /* legabits */ + if (!(strcmp(program,"clibtool"))) + flags |= SLBT_DRIVER_LEGABITS; + + else if (!(strncmp(program,"clibtool",8))) + if ((program[8] == '-') || (program[8] == '.')) + flags |= SLBT_DRIVER_LEGABITS; + + /* 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 ((slbt_version(dctx)) < 0) + return slbt_exit(dctx,2); + + slbt_perform_driver_actions(dctx); + ret += dctx->nerrors; + + for (unit=dctx->units; *unit; unit++) { + if (!(slbt_get_unit_ctx(dctx,*unit,&uctx))) { + slbt_perform_unit_actions(uctx); + ret += uctx->nerrors; + slbt_free_unit_ctx(uctx); + } + } + + return slbt_exit(dctx,ret); +} |