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add Win32_CODEPAGES enum and enable utf8 console output on win32 (#2670)

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* add Win32_CODEPAGES enum and enable utf8 console output on win32

---------

Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
This commit is contained in:
Book-reader
2026-01-14 11:00:01 +13:00
committed by GitHub
parent 827ad18ef4
commit c73c7cb2a3
6 changed files with 210 additions and 10 deletions
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35
lib/std/core/private/main_stub.c3
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@@ -12,7 +12,10 @@ macro int @main_to_err_main(#m, int, char**)
if (catch #m()) return 1;
return 0;
}
macro int @main_to_int_main(#m, int, char**) => #m();
macro int @main_to_int_main(#m, int, char**)
{
return #m();
}
macro int @main_to_void_main(#m, int, char**)
{
#m();
@@ -63,6 +66,17 @@ macro int @main_to_void_main_args(#m, int argc, char** argv)
}
module std::core::main_stub @if(env::WIN32);
import std::os::win32;
macro win32_set_utf8_codepage() @local
{
// By default windows uses an OEM codepage that differs based on locale
// and does not support printing utf-8 characters. This allows both
// printing utf-8 characters from strings and reading them from stdin.
win32::setConsoleCP(UTF8);
win32::setConsoleOutputCP(UTF8);
}
extern fn Char16** _win_command_line_to_argv_w(ushort* cmd_line, int* argc_ptr) @cname("CommandLineToArgvW");
@@ -93,18 +107,26 @@ macro void release_wargs(String[] list) @private
macro int @win_to_err_main_noargs(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
if (catch #m()) return 1;
return 0;
}
macro int @win_to_int_main_noargs(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd) => #m();
macro int @win_to_int_main_noargs(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
return #m();
}
macro int @win_to_void_main_noargs(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
#m();
return 0;
}
macro int @win_to_err_main_args(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
String[] args = win_command_line_to_strings(cmd_line);
defer release_wargs(args);
if (catch #m(args)) return 1;
@@ -113,6 +135,7 @@ macro int @win_to_err_main_args(#m, void* handle, void* prev_handle, Char16* cmd
macro int @win_to_int_main_args(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
String[] args = win_command_line_to_strings(cmd_line);
defer release_wargs(args);
return #m(args);
@@ -120,6 +143,7 @@ macro int @win_to_int_main_args(#m, void* handle, void* prev_handle, Char16* cmd
macro int @win_to_void_main_args(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
String[] args = win_command_line_to_strings(cmd_line);
defer release_wargs(args);
#m(args);
@@ -128,6 +152,7 @@ macro int @win_to_void_main_args(#m, void* handle, void* prev_handle, Char16* cm
macro int @win_to_err_main(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
String[] args = win_command_line_to_strings(cmd_line);
defer release_wargs(args);
if (catch #m(handle, prev_handle, args, show_cmd)) return 1;
@@ -136,6 +161,7 @@ macro int @win_to_err_main(#m, void* handle, void* prev_handle, Char16* cmd_line
macro int @win_to_int_main(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
String[] args = win_command_line_to_strings(cmd_line);
defer release_wargs(args);
return #m(handle, prev_handle, args, show_cmd);
@@ -143,6 +169,7 @@ macro int @win_to_int_main(#m, void* handle, void* prev_handle, Char16* cmd_line
macro int @win_to_void_main(#m, void* handle, void* prev_handle, Char16* cmd_line, int show_cmd)
{
win32_set_utf8_codepage();
String[] args = win_command_line_to_strings(cmd_line);
defer release_wargs(args);
#m(handle, prev_handle, args, show_cmd);
@@ -151,6 +178,7 @@ macro int @win_to_void_main(#m, void* handle, void* prev_handle, Char16* cmd_lin
macro int @wmain_to_err_main_args(#m, int argc, Char16** argv)
{
win32_set_utf8_codepage();
String[] args = wargs_strings(argc, argv);
defer release_wargs(args);
if (catch #m(args)) return 1;
@@ -159,6 +187,7 @@ macro int @wmain_to_err_main_args(#m, int argc, Char16** argv)
macro int @wmain_to_int_main_args(#m, int argc, Char16** argv)
{
win32_set_utf8_codepage();
String[] args = wargs_strings(argc, argv);
defer release_wargs(args);
return #m(args);
@@ -166,6 +195,7 @@ macro int @wmain_to_int_main_args(#m, int argc, Char16** argv)
macro int @_wmain_runner(#m, int argc, Char16** argv)
{
win32_set_utf8_codepage();
String[] args = wargs_strings(argc, argv);
defer release_wargs(args);
return #m(args) ? 0 : 1;
@@ -173,6 +203,7 @@ macro int @_wmain_runner(#m, int argc, Char16** argv)
macro int @wmain_to_void_main_args(#m, int argc, Char16** argv)
{
win32_set_utf8_codepage();
String[] args = wargs_strings(argc, argv);
defer release_wargs(args);
#m(args);