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feat(windows): a Windows target for ludicc, and the compiler builds itself there

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--target <triple> (default: the host, from OS=Windows_NT) selects the Windows
runtime. emit_win.ludic defines the POSIX names the backend already calls over
the UCRT and Win32 in IR, so rename replaces an existing file, ftell is 64-bit,
and fopen is binary. Known folders follow %APPDATA% / %LOCALAPPDATA% / %TEMP%,
and the driver speaks cmd.exe, writes .exe outputs and finds LLVM's clang.

Verified: macOS three-stage fixpoint, ludic-dev test 135/135, and on Windows
the Mac-emitted Windows IR and the Windows-built compiler's IR are identical
through two generations.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-13 01:59:41 +03:00
parent 572e09b2b1
commit 5801005fca
15 changed files with 23292 additions and 21806 deletions
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4
selfhost/backend/emit_intrin.ludic
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@ -88,8 +88,8 @@ function emit_intrinsic(name: pointer, e: Node) -> Val {
g_term = true
return val("0", "void")
}
if (name == "file_stderr") { return val(emit_bind("load ptr, ptr @__stderrp"), "pointer") }
if (name == "file_stdout") { return val(emit_bind("load ptr, ptr @__stdoutp"), "pointer") }
if (name == "file_stderr") { return val(emit_bind(stdstream_rhs(2)), "pointer") }
if (name == "file_stdout") { return val(emit_bind(stdstream_rhs(1)), "pointer") }
if (name == "run") {
let c = arg_code(e, 0)
return val(emit_bind(`call i32 @system(ptr {c})`), "int")