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Use a temporary directory for -use-separate-modules

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Windows only currently
This commit is contained in:
gingerBill
2024-07-08 14:21:07 +01:00
parent 0f664893dd
commit 7dd4cccce7
2 changed files with 65 additions and 24 deletions
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37
src/llvm_backend.cpp
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@@ -2556,20 +2556,37 @@ gb_internal String lb_filepath_ll_for_module(lbModule *m) {
return path;
}
gb_internal String lb_filepath_obj_for_module(lbModule *m) {
String path = concatenate3_strings(permanent_allocator(),
build_context.build_paths[BuildPath_Output].basename,
STR_LIT("/"),
build_context.build_paths[BuildPath_Output].name
);
String basename = build_context.build_paths[BuildPath_Output].basename;
String name = build_context.build_paths[BuildPath_Output].name;
bool use_temporary_directory = false;
if (USE_SEPARATE_MODULES && build_context.build_mode == BuildMode_Executable) {
// NOTE(bill): use a temporary directory
String dir = temporary_directory(permanent_allocator());
if (dir.len != 0) {
basename = dir;
use_temporary_directory = true;
}
}
gbString path = gb_string_make_length(heap_allocator(), basename.text, basename.len);
path = gb_string_appendc(path, "/");
path = gb_string_append_length(path, name.text, name.len);
if (m->file) {
char buf[32] = {};
isize n = gb_snprintf(buf, gb_size_of(buf), "-%u", m->file->id);
String suffix = make_string((u8 *)buf, n-1);
path = concatenate_strings(permanent_allocator(), path, suffix);
path = gb_string_append_length(path, suffix.text, suffix.len);
} else if (m->pkg) {
path = concatenate3_strings(permanent_allocator(), path, STR_LIT("-"), m->pkg->name);
path = gb_string_appendc(path, "-");
path = gb_string_append_length(path, m->pkg->name.text, m->pkg->name.len);
}
if (use_temporary_directory) {
path = gb_string_append_fmt(path, "-%p", m);
}
String ext = {};
@@ -2607,7 +2624,10 @@ gb_internal String lb_filepath_obj_for_module(lbModule *m) {
}
}
return concatenate_strings(permanent_allocator(), path, ext);
path = gb_string_append_length(path, ext.text, ext.len);
return make_string(cast(u8 *)path, gb_string_length(path));
}
@@ -2666,7 +2686,6 @@ gb_internal bool lb_llvm_object_generation(lbGenerator *gen, bool do_threading)
String filepath_ll = lb_filepath_ll_for_module(m);
String filepath_obj = lb_filepath_obj_for_module(m);
// gb_printf_err("%.*s\n", LIT(filepath_obj));
array_add(&gen->output_object_paths, filepath_obj);
array_add(&gen->output_temp_paths, filepath_ll);

52
src/string.cpp
View File

@@ -329,22 +329,22 @@ gb_internal bool string_contains_char(String const &s, u8 c) {
}
gb_internal bool string_contains_string(String const &haystack, String const &needle) {
if (needle.len == 0) return true;
if (needle.len > haystack.len) return false;
if (needle.len == 0) return true;
if (needle.len > haystack.len) return false;
for (isize i = 0; i <= haystack.len - needle.len; i++) {
bool found = true;
for (isize j = 0; j < needle.len; j++) {
if (haystack[i + j] != needle[j]) {
found = false;
break;
}
}
if (found) {
return true;
}
}
return false;
for (isize i = 0; i <= haystack.len - needle.len; i++) {
bool found = true;
for (isize j = 0; j < needle.len; j++) {
if (haystack[i + j] != needle[j]) {
found = false;
break;
}
}
if (found) {
return true;
}
}
return false;
}
gb_internal String filename_from_path(String s) {
@@ -543,6 +543,28 @@ gb_internal String string16_to_string(gbAllocator a, String16 s) {
gb_internal String temporary_directory(gbAllocator allocator) {
String res = {};
#if defined(GB_SYSTEM_WINDOWS)
DWORD n = GetTempPathW(0, nullptr);
if (n == 0) {
return res;
}
DWORD len = gb_max(MAX_PATH, n);
wchar_t *b = gb_alloc_array(heap_allocator(), wchar_t, len+1);
defer (gb_free(heap_allocator(), b));
n = GetTempPathW(len, b);
if (n == 3 && b[1] == ':' && b[2] == '\\') {
} else if (n > 0 && b[n-1] == '\\') {
n -= 1;
}
b[n] = 0;
String16 s = make_string16(b, n);
res = string16_to_string(allocator, s);
#endif
return res;
}