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build system: consolidate duplicate code and more

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* add ability to add assembly files when building an exe, obj, or lib
 * add implicit cast from `[N]T` to `?[]const T` (closes #343)
 * remove link_exe and link_lib in favor of allowing build_exe and
   build_lib support no root zig source file
This commit is contained in:
Andrew Kelley
2017-04-26 19:17:05 -04:00
parent 09bc4d6ba3
commit 7b0542d08b
13 changed files with 323 additions and 694 deletions
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20
src/os.cpp
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@@ -146,24 +146,28 @@ void os_path_split(Buf *full_path, Buf *out_dirname, Buf *out_basename) {
void os_path_extname(Buf *full_path, Buf *out_basename, Buf *out_extname) {
if (buf_len(full_path) == 0) {
buf_init_from_str(out_basename, "");
buf_init_from_str(out_extname, "");
if (out_basename) buf_init_from_str(out_basename, "");
if (out_extname) buf_init_from_str(out_extname, "");
return;
}
size_t i = buf_len(full_path) - 1;
while (true) {
if (buf_ptr(full_path)[i] == '.') {
buf_resize(out_basename, 0);
buf_append_mem(out_basename, buf_ptr(full_path), i);
if (out_basename) {
buf_resize(out_basename, 0);
buf_append_mem(out_basename, buf_ptr(full_path), i);
}
buf_resize(out_extname, 0);
buf_append_mem(out_extname, buf_ptr(full_path) + i, buf_len(full_path) - i);
if (out_extname) {
buf_resize(out_extname, 0);
buf_append_mem(out_extname, buf_ptr(full_path) + i, buf_len(full_path) - i);
}
return;
}
if (i == 0) {
buf_init_from_buf(out_basename, full_path);
buf_init_from_str(out_extname, "");
if (out_basename) buf_init_from_buf(out_basename, full_path);
if (out_extname) buf_init_from_str(out_extname, "");
return;
}
i -= 1;