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Windows support (wip): target layer, Microsoft x64 ABI, portable runtime, CI

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-08 20:46:51 +02:00
commit 84cbbb3e16
18 changed files with 481 additions and 94 deletions
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11
src/codegen.cpp
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@ -25,7 +25,10 @@ Codegen::Codegen(LLVMContext &c, const std::vector<Program> &ps, const CImports
}
diUnit = di->createCompileUnit(dwarf::DW_LANG_C, diFiles[0], "finch " FINCH_VERSION, false, "", 0);
mod->addModuleFlag(Module::Warning, "Debug Info Version", DEBUG_METADATA_VERSION);
mod->addModuleFlag(Module::Warning, "Dwarf Version", 5);
if (tm.getTargetTriple().isWindowsMSVCEnvironment())
mod->addModuleFlag(Module::Warning, "CodeView", 1); // what Visual Studio and WinDbg read
else
mod->addModuleFlag(Module::Warning, "Dwarf Version", 5);
}
}
@ -657,6 +660,12 @@ Value_ Codegen::expr(const Expr &e) {
}
if (modules[curModule].imports.count(v.name))
failAt(e.pos.file, e.pos.line, e.pos.col, "'" + v.name + "' is a module; use something from it, like " + v.name + ".name(...)");
// C's standard streams are macros on some systems; the runtime knows them everywhere
if (!cimports.globals.count(v.name) && (v.name == "stdin" || v.name == "stdout" || v.name == "stderr") &&
cimports.fns.count("fprintf")) {
int which = v.name == "stdin" ? 0 : v.name == "stdout" ? 1 : 2;
return {b.CreateCall(rt("finch_std_stream"), {b.getInt32(which)}), FType::Ptr};
}
}
Place pl = place(e);
return {b.CreateLoad(ty(pl.type), pl.addr, v.name), pl.type};