motiejus/zig
1
Fork 0
Code Releases Activity

ability to use zig cc as a drop-in C compiler

Browse Source 
The basics are working
This commit is contained in:
Andrew Kelley
2020-03-21 10:12:28 -04:00
parent beea478acc
commit a4eaeee720
11 changed files with 6295 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/main.cpp
View File

@@ -36,7 +36,7 @@ static int print_full_usage(const char *arg0, FILE *file, int return_code) {
" build-lib [source] create library from source or object files\n"
" build-obj [source] create object from source or assembly\n"
" builtin show the source code of @import(\"builtin\")\n"
" cc C compiler\n"
" cc use Zig as a drop-in C compiler\n"
" fmt parse files and render in canonical zig format\n"
" id print the base64-encoded compiler id\n"
" init-exe initialize a `zig build` application in the cwd\n"
@@ -271,7 +271,7 @@ static int main0(int argc, char **argv) {
return 0;
}
if (argc >= 2 && (strcmp(argv[1], "cc") == 0 ||
if (argc >= 2 && (strcmp(argv[1], "clang") == 0 ||
strcmp(argv[1], "-cc1") == 0 || strcmp(argv[1], "-cc1as") == 0))
{
return ZigClang_main(argc, argv);
@@ -575,9 +575,55 @@ static int main0(int argc, char **argv) {
return (term.how == TerminationIdClean) ? term.code : -1;
} else if (argc >= 2 && strcmp(argv[1], "fmt") == 0) {
return stage2_fmt(argc, argv);
}
for (int i = 1; i < argc; i += 1) {
} else if (argc >= 2 && strcmp(argv[1], "cc") == 0) {
const char *o_arg = nullptr;
bool c_arg = false;
Stage2ClangArgIterator it;
stage2_clang_arg_iterator(&it, argc, argv);
while (it.has_next) {
if ((err = stage2_clang_arg_next(&it))) {
fprintf(stderr, "unable to parse command line parameters: %s\n", err_str(err));
return EXIT_FAILURE;
}
switch (it.kind) {
case Stage2ClangArgTarget: // example: -target riscv64-linux-unknown
target_string = it.only_arg;
break;
case Stage2ClangArgO: // -o
o_arg = it.only_arg;
break;
case Stage2ClangArgC: // -c
c_arg = true;
break;
case Stage2ClangArgOther:
for (size_t i = 0; i < it.other_args_len; i += 1) {
clang_argv.append(it.other_args_ptr[i]);
}
break;
case Stage2ClangArgPositional: {
CFile *c_file = heap::c_allocator.create<CFile>();
c_file->source_path = it.only_arg;
c_source_files.append(c_file);
break;
}
case Stage2ClangArgL: // -l
if (strcmp(it.only_arg, "c") == 0)
have_libc = true;
link_libs.append(it.only_arg);
break;
}
}
if (!c_arg) {
cmd = CmdBuild;
out_type = OutTypeExe;
if (o_arg == nullptr) {
zig_panic("TODO set out name to a.out");
}
} else {
cmd = CmdBuild;
out_type = OutTypeObj;
}
} else for (int i = 1; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-') {