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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 "parseh.hpp"
#include "ast_render.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"
" 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-path [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"
" --c-import-warnings enable warnings when importing .h files\n"
, arg0);
return EXIT_FAILURE;
}
static int version(const char *arg0, int argc, char **argv) {
printf("%s\n", ZIG_VERSION_STRING);
return EXIT_SUCCESS;
}
struct Build {
const char *in_file;
const char *out_file;
bool release;
bool strip;
bool is_static;
OutType out_type;
const char *out_name;
bool verbose;
ErrColor color;
const char *libc_path;
ZigList<const char *> clang_argv;
};
static int build(const char *arg0, int argc, char **argv) {
int err;
Build b = {0};
for (int i = 0; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-') {
if (strcmp(arg, "--release") == 0) {
b.release = true;
} else if (strcmp(arg, "--strip") == 0) {
b.strip = true;
} else if (strcmp(arg, "--static") == 0) {
b.is_static = true;
} else if (strcmp(arg, "--verbose") == 0) {
b.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) {
b.out_file = argv[i];
} else if (strcmp(arg, "--export") == 0) {
if (strcmp(argv[i], "exe") == 0) {
b.out_type = OutTypeExe;
} else if (strcmp(argv[i], "lib") == 0) {
b.out_type = OutTypeLib;
} else if (strcmp(argv[i], "obj") == 0) {
b.out_type = OutTypeObj;
} else {
return usage(arg0);
}
} else if (strcmp(arg, "--color") == 0) {
if (strcmp(argv[i], "auto") == 0) {
b.color = ErrColorAuto;
} else if (strcmp(argv[i], "on") == 0) {
b.color = ErrColorOn;
} else if (strcmp(argv[i], "off") == 0) {
b.color = ErrColorOff;
} else {
return usage(arg0);
}
} else if (strcmp(arg, "--name") == 0) {
b.out_name = argv[i];
} else if (strcmp(arg, "--libc-path") == 0) {
b.libc_path = argv[i];
} else if (strcmp(arg, "-isystem") == 0) {
b.clang_argv.append("-isystem");
b.clang_argv.append(argv[i]);
} else if (strcmp(arg, "-dirafter") == 0) {
b.clang_argv.append("-dirafter");
b.clang_argv.append(argv[i]);
} else {
return usage(arg0);
}
}
} else if (!b.in_file) {
b.in_file = arg;
} else {
return usage(arg0);
}
}
if (!b.in_file)
return usage(arg0);
Buf in_file_buf = BUF_INIT;
buf_init_from_str(&in_file_buf, b.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(b.in_file), &root_source_code))) {
fprintf(stderr, "unable to open '%s': %s\n", b.in_file, err_str(err));
return 1;
}
}
CodeGen *g = codegen_create(&root_source_dir);
codegen_set_build_type(g, b.release ? CodeGenBuildTypeRelease : CodeGenBuildTypeDebug);
codegen_set_clang_argv(g, b.clang_argv.items, b.clang_argv.length);
codegen_set_strip(g, b.strip);
codegen_set_is_static(g, b.is_static);
if (b.out_type != OutTypeUnknown)
codegen_set_out_type(g, b.out_type);
if (b.out_name)
codegen_set_out_name(g, buf_create_from_str(b.out_name));
if (b.libc_path)
codegen_set_libc_path(g, buf_create_from_str(b.libc_path));
codegen_set_verbose(g, b.verbose);
codegen_set_errmsg_color(g, b.color);
codegen_add_root_code(g, &root_source_dir, &root_source_name, &root_source_code);
codegen_link(g, b.out_file);
return 0;
}
static int parseh(const char *arg0, int argc, char **argv) {
char *in_file = nullptr;
ZigList<const char *> clang_argv = {0};
ErrColor color = ErrColorAuto;
bool warnings_on = false;
for (int i = 0; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-') {
if (arg[1] == 'I') {
clang_argv.append(arg);
} else if (strcmp(arg, "-isystem") == 0) {
if (i + 1 >= argc) {
return usage(arg0);
}
i += 1;
clang_argv.append("-isystem");
clang_argv.append(argv[i]);
} else if (strcmp(arg, "--color") == 0) {
if (i + 1 >= argc) {
return usage(arg0);
}
i += 1;
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, "--c-import-warnings") == 0) {
warnings_on = true;
} else {
fprintf(stderr, "unrecognized argument: %s", arg);
return usage(arg0);
}
} else if (!in_file) {
in_file = arg;
} else {
return usage(arg0);
}
}
if (!in_file) {
fprintf(stderr, "missing target argument");
return usage(arg0);
}
clang_argv.append(in_file);
Buf *libc_include_path = buf_alloc();
os_path_join(buf_create_from_str(ZIG_LIBC_DIR), buf_create_from_str("include"), libc_include_path);
clang_argv.append("-isystem");
clang_argv.append(buf_ptr(libc_include_path));
ImportTableEntry import = {0};
ZigList<ErrorMsg *> errors = {0};
int err = parse_h_file(&import, &errors, &clang_argv, warnings_on);
if (err) {
fprintf(stderr, "unable to parse .h file: %s\n", err_str(err));
return EXIT_FAILURE;
}
if (errors.length > 0) {
for (int i = 0; i < errors.length; i += 1) {
ErrorMsg *err_msg = errors.at(i);
print_err_msg(err_msg, color);
}
return EXIT_FAILURE;
}
ast_render(stdout, import.root, 4);
return 0;
}
int main(int argc, char **argv) {
char *arg0 = argv[0];
int (*cmd)(const char *, int, char **) = nullptr;
for (int i = 1; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-' && arg[1] == '-') {
return usage(arg0);
} else {
if (strcmp(arg, "build") == 0) {
cmd = build;
} else if (strcmp(arg, "version") == 0) {
cmd = version;
} else if (strcmp(arg, "parseh") == 0) {
cmd = parseh;
} else {
fprintf(stderr, "Unrecognized command: %s\n", arg);
return usage(arg0);
}
return cmd(arg0, argc - i - 1, &argv[i + 1]);
}
}
return usage(arg0);
}
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