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/*
* Copyright (c) 2015 Andrew Kelley
*
* This file is part of zig, which is MIT licensed.
* See http://opensource.org/licenses/MIT
*/
#include "config.h"
#include "buffer.hpp"
#include "codegen.hpp"
#include "os.hpp"
#include "error.hpp"
#include <stdio.h>
static int usage(const char *arg0) {
fprintf(stderr, "Usage: %s [command] [options]\n"
"Commands:\n"
" build create executable, object, or library from target\n"
" test create and run a test build\n"
" version print version number and exit\n"
" parseh convert a c header file to zig extern declarations\n"
"Options:\n"
" --release build with optimizations on and debug protection off\n"
" --static output will be statically linked\n"
" --strip exclude debug symbols\n"
" --export [exe|lib|obj] override output type\n"
" --name [name] override output name\n"
" --output [file] override destination path\n"
" --verbose turn on compiler debug output\n"
" --color [auto|off|on] enable or disable colored error messages\n"
" --libc-lib-dir [path] set the C compiler data path\n"
" --libc-include-dir [path] set the C compiler data path\n"
" -isystem [dir] add additional search path for other .h files\n"
" -dirafter [dir] same as -isystem but do it last\n"
" --library-path [dir] add a directory to the library search path\n"
, arg0);
return EXIT_FAILURE;
}
enum Cmd {
CmdInvalid,
CmdBuild,
CmdTest,
CmdVersion,
CmdParseH,
};
int main(int argc, char **argv) {
char *arg0 = argv[0];
Cmd cmd = CmdInvalid;
const char *in_file = nullptr;
const char *out_file = nullptr;
bool is_release_build = false;
bool strip = false;
bool is_static = false;
OutType out_type = OutTypeUnknown;
const char *out_name = nullptr;
bool verbose = false;
ErrColor color = ErrColorAuto;
const char *libc_lib_dir = nullptr;
const char *libc_include_dir = nullptr;
ZigList<const char *> clang_argv = {0};
ZigList<const char *> lib_dirs = {0};
int err;
for (int i = 1; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-') {
if (strcmp(arg, "--release") == 0) {
is_release_build = true;
} else if (strcmp(arg, "--strip") == 0) {
strip = true;
} else if (strcmp(arg, "--static") == 0) {
is_static = true;
} else if (strcmp(arg, "--verbose") == 0) {
verbose = true;
} else if (i + 1 >= argc) {
return usage(arg0);
} else {
i += 1;
if (i >= argc) {
return usage(arg0);
} else if (strcmp(arg, "--output") == 0) {
out_file = argv[i];
} else if (strcmp(arg, "--export") == 0) {
if (strcmp(argv[i], "exe") == 0) {
out_type = OutTypeExe;
} else if (strcmp(argv[i], "lib") == 0) {
out_type = OutTypeLib;
} else if (strcmp(argv[i], "obj") == 0) {
out_type = OutTypeObj;
} else {
return usage(arg0);
}
} else if (strcmp(arg, "--color") == 0) {
if (strcmp(argv[i], "auto") == 0) {
color = ErrColorAuto;
} else if (strcmp(argv[i], "on") == 0) {
color = ErrColorOn;
} else if (strcmp(argv[i], "off") == 0) {
color = ErrColorOff;
} else {
return usage(arg0);
}
} else if (strcmp(arg, "--name") == 0) {
out_name = argv[i];
} else if (strcmp(arg, "--libc-lib-dir") == 0) {
libc_lib_dir = argv[i];
} else if (strcmp(arg, "--libc-include-dir") == 0) {
libc_include_dir = argv[i];
} else if (strcmp(arg, "-isystem") == 0) {
clang_argv.append("-isystem");
clang_argv.append(argv[i]);
} else if (strcmp(arg, "-dirafter") == 0) {
clang_argv.append("-dirafter");
clang_argv.append(argv[i]);
} else if (strcmp(arg, "--library-path") == 0) {
lib_dirs.append(argv[i]);
} else {
return usage(arg0);
}
}
} else if (cmd == CmdInvalid) {
if (strcmp(arg, "build") == 0) {
cmd = CmdBuild;
} else if (strcmp(arg, "version") == 0) {
cmd = CmdVersion;
} else if (strcmp(arg, "parseh") == 0) {
cmd = CmdParseH;
} else if (strcmp(arg, "test") == 0) {
cmd = CmdTest;
} else {
fprintf(stderr, "Unrecognized command: %s\n", arg);
return usage(arg0);
}
} else {
switch (cmd) {
case CmdBuild:
case CmdParseH:
case CmdTest:
if (!in_file) {
in_file = arg;
} else {
return usage(arg0);
}
break;
case CmdVersion:
return usage(arg0);
case CmdInvalid:
zig_unreachable();
}
}
}
switch (cmd) {
case CmdBuild:
case CmdParseH:
case CmdTest:
{
if (!in_file)
return usage(arg0);
Buf in_file_buf = BUF_INIT;
buf_init_from_str(&in_file_buf, in_file);
Buf root_source_dir = BUF_INIT;
Buf root_source_code = BUF_INIT;
Buf root_source_name = BUF_INIT;
if (buf_eql_str(&in_file_buf, "-")) {
os_get_cwd(&root_source_dir);
if ((err = os_fetch_file(stdin, &root_source_code))) {
fprintf(stderr, "unable to read stdin: %s\n", err_str(err));
return 1;
}
buf_init_from_str(&root_source_name, "");
} else {
os_path_split(&in_file_buf, &root_source_dir, &root_source_name);
if ((err = os_fetch_file_path(buf_create_from_str(in_file), &root_source_code))) {
fprintf(stderr, "unable to open '%s': %s\n", in_file, err_str(err));
return 1;
}
}
CodeGen *g = codegen_create(&root_source_dir);
codegen_set_is_release(g, is_release_build);
codegen_set_is_test(g, cmd == CmdTest);
codegen_set_clang_argv(g, clang_argv.items, clang_argv.length);
codegen_set_strip(g, strip);
codegen_set_is_static(g, is_static);
if (out_type != OutTypeUnknown) {
codegen_set_out_type(g, out_type);
} else if (cmd == CmdTest) {
codegen_set_out_type(g, OutTypeExe);
}
if (out_name) {
codegen_set_out_name(g, buf_create_from_str(out_name));
} else if (cmd == CmdTest) {
codegen_set_out_name(g, buf_create_from_str("test"));
}
if (libc_lib_dir)
codegen_set_libc_lib_dir(g, buf_create_from_str(libc_lib_dir));
if (libc_include_dir)
codegen_set_libc_include_dir(g, buf_create_from_str(libc_include_dir));
codegen_set_verbose(g, verbose);
codegen_set_errmsg_color(g, color);
for (int i = 0; i < lib_dirs.length; i += 1) {
codegen_add_lib_dir(g, lib_dirs.at(i));
}
if (cmd == CmdBuild) {
codegen_add_root_code(g, &root_source_dir, &root_source_name, &root_source_code);
codegen_link(g, out_file);
return EXIT_SUCCESS;
} else if (cmd == CmdParseH) {
codegen_parseh(g, &root_source_dir, &root_source_name, &root_source_code);
codegen_render_ast(g, stdout, 4);
return EXIT_SUCCESS;
} else if (cmd == CmdTest) {
codegen_add_root_code(g, &root_source_dir, &root_source_name, &root_source_code);
codegen_link(g, "./test");
ZigList<const char *> args = {0};
int return_code;
os_spawn_process("./test", args, &return_code);
if (return_code != 0) {
fprintf(stderr, "\nTests failed. Use the following command to reproduce the failure:\n");
fprintf(stderr, "./test\n");
}
return return_code;
} else {
zig_unreachable();
}
}
case CmdVersion:
printf("%s\n", ZIG_VERSION_STRING);
return EXIT_SUCCESS;
case CmdInvalid:
return usage(arg0);
}
}
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