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precompile and cache Carbon prelude (#7432)

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Refactors the link driver to automatically compile and cache the carbon
prelude for use in linking.

Implements a `carbon_library` rule for compiling the Core library
dependencies in the examples.
This commit is contained in:
Lucile Rose Nihlen
2026-07-16 18:02:14 +00:00
committed by GitHub
parent 90f6654b48
commit 625f2ca629
63 changed files with 1454 additions and 634 deletions
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toolchain/language_server/context.cpp
+8 -3
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@@ -228,11 +228,13 @@ auto Context::File::SetText(Context& context, std::optional<int64_t> version,
driver_env.vlog_stream =
static_cast<llvm::raw_pwrite_stream*>(context.vlog_stream());
options_ = CompileOptions();
options_.codegen_options->target = options_.codegen_options->host;
codegen_options_ = CodegenOptions();
options_ = CompileOptions(&codegen_options_);
codegen_options_.target = codegen_options_.host;
options_.phase = CompileOptions::Phase::Check;
options_.prelude_import = context.prelude_import();
options_.input_filenames.push_back(filename());
options_.FixupFlags();
compile_driver_ = std::make_unique<CompileDriver>(&options_);
auto map_input = [](llvm::StringRef) -> std::string { return ""; };
@@ -240,7 +242,10 @@ auto Context::File::SetText(Context& context, std::optional<int64_t> version,
context.PublishDiagnostics(consumer.params());
return;
}
compile_driver_->Compile(driver_env);
if (!compile_driver_->Compile(driver_env).success) {
context.PublishDiagnostics(consumer.params());
return;
}
// Note we need to publish diagnostics even when empty.
// TODO: Consider caching previously published diagnostics and only publishing