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add root export declaration which is overridable by command line options

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This commit is contained in:
Andrew Kelley
2015-11-27 21:24:11 -07:00
parent 4cc95174a7
commit cb4773ce29
10 changed files with 206 additions and 30 deletions
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65
src/main.cpp
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@@ -28,18 +28,24 @@
static int usage(const char *arg0) {
fprintf(stderr, "Usage: %s [command] [options] target\n"
"Commands:\n"
" build create an executable from target\n"
"Options:\n"
" --output output file\n"
" --version print version number and exit\n"
" -Ipath add path to header include path\n"
" --release build with optimizations on\n"
" --strip exclude debug symbols\n"
" --static build a static executable\n"
" build create executable, object, or library from target\n"
" version print version number and exit\n"
"Optional 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"
, arg0);
return EXIT_FAILURE;
}
static int version(void) {
printf("%s\n", ZIG_VERSION_STRING);
return EXIT_SUCCESS;
}
static Buf *fetch_file(FILE *f) {
int fd = fileno(f);
struct stat st;
@@ -58,12 +64,12 @@ static Buf *fetch_file(FILE *f) {
return buf;
}
static int build(const char *arg0, const char *in_file, const char *out_file,
ZigList<char *> *include_paths, bool release, bool strip, bool is_static)
static int build(const char *arg0, const char *in_file, const char *out_file, bool release,
bool strip, bool is_static, OutType out_type, char *out_name)
{
static char cur_dir[1024];
if (!in_file || !out_file)
if (!in_file)
return usage(arg0);
FILE *in_f;
@@ -100,6 +106,10 @@ static int build(const char *arg0, const char *in_file, const char *out_file,
codegen_set_build_type(codegen, release ? CodeGenBuildTypeRelease : CodeGenBuildTypeDebug);
codegen_set_strip(codegen, strip);
codegen_set_is_static(codegen, is_static);
if (out_type != OutTypeUnknown)
codegen_set_out_type(codegen, out_type);
if (out_name)
codegen_set_out_name(codegen, buf_create_from_str(out_name));
semantic_analyze(codegen);
ZigList<ErrorMsg> *errors = codegen_error_messages(codegen);
if (errors->length == 0) {
@@ -135,25 +145,25 @@ static int build(const char *arg0, const char *in_file, const char *out_file,
enum Cmd {
CmdNone,
CmdBuild,
CmdVersion,
};
int main(int argc, char **argv) {
char *arg0 = argv[0];
char *in_file = NULL;
char *out_file = NULL;
ZigList<char *> include_paths = {0};
bool release = false;
bool strip = false;
bool is_static = false;
OutType out_type = OutTypeUnknown;
char *out_name = NULL;
Cmd cmd = CmdNone;
for (int i = 1; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-' && arg[1] == '-') {
if (strcmp(arg, "--version") == 0) {
printf("%s\n", ZIG_VERSION_STRING);
return EXIT_SUCCESS;
} else if (strcmp(arg, "--release") == 0) {
if (strcmp(arg, "--release") == 0) {
release = true;
} else if (strcmp(arg, "--strip") == 0) {
strip = true;
@@ -165,15 +175,27 @@ int main(int argc, char **argv) {
i += 1;
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, "--name") == 0) {
out_name = argv[i];
} else {
return usage(arg0);
}
}
} else if (arg[0] == '-' && arg[1] == 'I') {
include_paths.append(arg + 2);
} else if (cmd == CmdNone) {
if (strcmp(arg, "build") == 0) {
cmd = CmdBuild;
} else if (strcmp(arg, "version") == 0) {
cmd = CmdVersion;
} else {
fprintf(stderr, "Unrecognized command: %s\n", arg);
return usage(arg0);
@@ -189,6 +211,8 @@ int main(int argc, char **argv) {
return usage(arg0);
}
break;
case CmdVersion:
return usage(arg0);
}
}
}
@@ -197,9 +221,10 @@ int main(int argc, char **argv) {
case CmdNone:
return usage(arg0);
case CmdBuild:
return build(arg0, in_file, out_file, &include_paths, release, strip, is_static);
return build(arg0, in_file, out_file, release, strip, is_static, out_type, out_name);
case CmdVersion:
return version();
}
zig_unreachable();
}