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Document a few things
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@ -133,6 +133,7 @@ pub fn diagnostics_registry() -> Registry {
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Registry::new(&rustc_error_codes::DIAGNOSTICS)
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}
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/// This is the primary entry point for rustc.
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pub struct RunCompiler<'a, 'b> {
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at_args: &'a [String],
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callbacks: &'b mut (dyn Callbacks + Send),
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@ -146,6 +147,9 @@ impl<'a, 'b> RunCompiler<'a, 'b> {
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pub fn new(at_args: &'a [String], callbacks: &'b mut (dyn Callbacks + Send)) -> Self {
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Self { at_args, callbacks, file_loader: None, emitter: None, make_codegen_backend: None }
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}
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/// Set a custom codegen backend.
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///
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/// Used by cg_clif.
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pub fn set_make_codegen_backend(
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&mut self,
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@ -156,11 +160,17 @@ impl<'a, 'b> RunCompiler<'a, 'b> {
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self.make_codegen_backend = make_codegen_backend;
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self
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}
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/// Emit diagnostics to the specified location.
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///
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/// Used by RLS.
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pub fn set_emitter(&mut self, emitter: Option<Box<dyn Write + Send>>) -> &mut Self {
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self.emitter = emitter;
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self
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}
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/// Load files from sources other than the file system.
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///
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/// Used by RLS.
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pub fn set_file_loader(
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&mut self,
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@ -169,6 +179,8 @@ impl<'a, 'b> RunCompiler<'a, 'b> {
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self.file_loader = file_loader;
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self
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}
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/// Parse args and run the compiler.
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pub fn run(self) -> interface::Result<()> {
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run_compiler(
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self.at_args,
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@ -179,8 +191,6 @@ impl<'a, 'b> RunCompiler<'a, 'b> {
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)
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}
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}
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// Parse args and run the compiler. This is the primary entry point for rustc.
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// The FileLoader provides a way to load files from sources other than the file system.
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fn run_compiler(
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at_args: &[String],
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callbacks: &mut (dyn Callbacks + Send),
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