Construct OutputType using macro and print [=FILENAME] help info
Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
This commit is contained in:
xizheyin
parent
4c20d17365
commit
6fe881c788
7 changed files with 243 additions and 127 deletions
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@ -568,122 +568,203 @@ impl FromStr for SplitDwarfKind {
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}
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}
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#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, PartialOrd, Ord, HashStable_Generic)]
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#[derive(Encodable, Decodable)]
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pub enum OutputType {
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/// This is the optimized bitcode, which could be either pre-LTO or non-LTO bitcode,
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/// depending on the specific request type.
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Bitcode,
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/// This is the summary or index data part of the ThinLTO bitcode.
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ThinLinkBitcode,
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Assembly,
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LlvmAssembly,
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Mir,
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Metadata,
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Object,
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Exe,
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DepInfo,
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}
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macro_rules! define_output_types {
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(
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$(
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$(#[doc = $doc:expr])*
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$Variant:ident => {
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shorthand: $shorthand:expr,
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extension: $extension:expr,
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description: $description:expr,
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default_filename: $default_filename:expr,
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is_text: $is_text:expr,
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compatible_with_cgus_and_single_output: $compatible:expr
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}
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),* $(,)?
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) => {
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#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, PartialOrd, Ord, HashStable_Generic)]
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#[derive(Encodable, Decodable)]
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pub enum OutputType {
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$(
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$(#[doc = $doc])*
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$Variant,
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)*
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}
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impl StableOrd for OutputType {
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const CAN_USE_UNSTABLE_SORT: bool = true;
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// Trivial C-Style enums have a stable sort order across compilation sessions.
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const THIS_IMPLEMENTATION_HAS_BEEN_TRIPLE_CHECKED: () = ();
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}
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impl StableOrd for OutputType {
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const CAN_USE_UNSTABLE_SORT: bool = true;
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impl<HCX: HashStableContext> ToStableHashKey<HCX> for OutputType {
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type KeyType = Self;
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// Trivial C-Style enums have a stable sort order across compilation sessions.
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const THIS_IMPLEMENTATION_HAS_BEEN_TRIPLE_CHECKED: () = ();
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}
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fn to_stable_hash_key(&self, _: &HCX) -> Self::KeyType {
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*self
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impl<HCX: HashStableContext> ToStableHashKey<HCX> for OutputType {
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type KeyType = Self;
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fn to_stable_hash_key(&self, _: &HCX) -> Self::KeyType {
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*self
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}
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}
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impl OutputType {
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pub fn iter_all() -> impl Iterator<Item = OutputType> {
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static ALL_VARIANTS: &[OutputType] = &[
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$(
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OutputType::$Variant,
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)*
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];
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ALL_VARIANTS.iter().copied()
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}
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fn is_compatible_with_codegen_units_and_single_output_file(&self) -> bool {
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match *self {
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$(
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OutputType::$Variant => $compatible,
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)*
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}
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}
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pub fn shorthand(&self) -> &'static str {
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match *self {
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$(
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OutputType::$Variant => $shorthand,
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)*
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}
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}
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fn from_shorthand(shorthand: &str) -> Option<Self> {
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match shorthand {
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$(
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s if s == $shorthand => Some(OutputType::$Variant),
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)*
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_ => None,
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}
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}
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fn shorthands_display() -> String {
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let shorthands = vec![
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$(
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format!("`{}`", $shorthand),
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)*
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];
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shorthands.join(", ")
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}
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pub fn extension(&self) -> &'static str {
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match *self {
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$(
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OutputType::$Variant => $extension,
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)*
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}
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}
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pub fn is_text_output(&self) -> bool {
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match *self {
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$(
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OutputType::$Variant => $is_text,
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)*
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}
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}
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pub fn description(&self) -> &'static str {
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match *self {
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$(
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OutputType::$Variant => $description,
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)*
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}
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}
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pub fn default_filename(&self) -> &'static str {
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match *self {
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$(
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OutputType::$Variant => $default_filename,
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)*
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}
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}
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}
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}
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}
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impl OutputType {
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fn is_compatible_with_codegen_units_and_single_output_file(&self) -> bool {
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match *self {
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OutputType::Exe | OutputType::DepInfo | OutputType::Metadata => true,
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OutputType::Bitcode
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| OutputType::ThinLinkBitcode
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| OutputType::Assembly
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| OutputType::LlvmAssembly
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| OutputType::Mir
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| OutputType::Object => false,
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}
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}
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pub fn shorthand(&self) -> &'static str {
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match *self {
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OutputType::Bitcode => "llvm-bc",
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OutputType::ThinLinkBitcode => "thin-link-bitcode",
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OutputType::Assembly => "asm",
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OutputType::LlvmAssembly => "llvm-ir",
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OutputType::Mir => "mir",
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OutputType::Object => "obj",
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OutputType::Metadata => "metadata",
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OutputType::Exe => "link",
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OutputType::DepInfo => "dep-info",
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}
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}
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fn from_shorthand(shorthand: &str) -> Option<Self> {
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Some(match shorthand {
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"asm" => OutputType::Assembly,
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"llvm-ir" => OutputType::LlvmAssembly,
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"mir" => OutputType::Mir,
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"llvm-bc" => OutputType::Bitcode,
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"thin-link-bitcode" => OutputType::ThinLinkBitcode,
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"obj" => OutputType::Object,
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"metadata" => OutputType::Metadata,
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"link" => OutputType::Exe,
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"dep-info" => OutputType::DepInfo,
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_ => return None,
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})
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}
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fn shorthands_display() -> String {
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format!(
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"`{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`",
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OutputType::Bitcode.shorthand(),
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OutputType::ThinLinkBitcode.shorthand(),
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OutputType::Assembly.shorthand(),
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OutputType::LlvmAssembly.shorthand(),
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OutputType::Mir.shorthand(),
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OutputType::Object.shorthand(),
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OutputType::Metadata.shorthand(),
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OutputType::Exe.shorthand(),
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OutputType::DepInfo.shorthand(),
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)
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}
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pub fn extension(&self) -> &'static str {
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match *self {
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OutputType::Bitcode => "bc",
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OutputType::ThinLinkBitcode => "indexing.o",
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OutputType::Assembly => "s",
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OutputType::LlvmAssembly => "ll",
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OutputType::Mir => "mir",
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OutputType::Object => "o",
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OutputType::Metadata => "rmeta",
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OutputType::DepInfo => "d",
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OutputType::Exe => "",
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}
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}
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pub fn is_text_output(&self) -> bool {
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match *self {
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OutputType::Assembly
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| OutputType::LlvmAssembly
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| OutputType::Mir
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| OutputType::DepInfo => true,
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OutputType::Bitcode
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| OutputType::ThinLinkBitcode
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| OutputType::Object
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| OutputType::Metadata
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| OutputType::Exe => false,
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}
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}
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define_output_types! {
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Assembly => {
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shorthand: "asm",
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extension: "s",
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description: "Generates a file with the crate's assembly code",
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default_filename: "CRATE_NAME.s",
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is_text: true,
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compatible_with_cgus_and_single_output: false
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},
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#[doc = "This is the optimized bitcode, which could be either pre-LTO or non-LTO bitcode,"]
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#[doc = "depending on the specific request type."]
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Bitcode => {
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shorthand: "llvm-bc",
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extension: "bc",
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description: "Generates a binary file containing the LLVM bitcode",
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default_filename: "CRATE_NAME.bc",
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is_text: false,
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compatible_with_cgus_and_single_output: false
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},
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DepInfo => {
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shorthand: "dep-info",
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extension: "d",
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description: "Generates a file with Makefile syntax that indicates all the source files that were loaded to generate the crate",
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default_filename: "CRATE_NAME.d",
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is_text: true,
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compatible_with_cgus_and_single_output: true
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},
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Exe => {
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shorthand: "link",
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extension: "",
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description: "Generates the crates specified by --crate-type. This is the default if --emit is not specified",
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default_filename: "(platform and crate-type dependent)",
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is_text: false,
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compatible_with_cgus_and_single_output: true
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},
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LlvmAssembly => {
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shorthand: "llvm-ir",
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extension: "ll",
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description: "Generates a file containing LLVM IR",
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default_filename: "CRATE_NAME.ll",
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is_text: true,
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compatible_with_cgus_and_single_output: false
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},
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Metadata => {
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shorthand: "metadata",
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extension: "rmeta",
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description: "Generates a file containing metadata about the crate",
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default_filename: "libCRATE_NAME.rmeta",
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is_text: false,
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compatible_with_cgus_and_single_output: true
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},
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Mir => {
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shorthand: "mir",
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extension: "mir",
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description: "Generates a file containing rustc's mid-level intermediate representation",
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default_filename: "CRATE_NAME.mir",
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is_text: true,
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compatible_with_cgus_and_single_output: false
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},
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Object => {
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shorthand: "obj",
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extension: "o",
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description: "Generates a native object file",
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default_filename: "CRATE_NAME.o",
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is_text: false,
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compatible_with_cgus_and_single_output: false
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},
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#[doc = "This is the summary or index data part of the ThinLTO bitcode."]
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ThinLinkBitcode => {
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shorthand: "thin-link-bitcode",
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extension: "indexing.o",
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description: "Generates the ThinLTO summary as bitcode",
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default_filename: "CRATE_NAME.indexing.o",
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is_text: false,
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compatible_with_cgus_and_single_output: false
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},
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}
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/// The type of diagnostics output to generate.
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@ -1570,6 +1651,18 @@ static PRINT_HELP: LazyLock<String> = LazyLock::new(|| {
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)
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});
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static EMIT_HELP: LazyLock<String> = LazyLock::new(|| {
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let mut result =
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String::from("Comma separated list of types of output for the compiler to emit.\n");
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result.push_str("Each TYPE has the default FILE name:\n");
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for output in OutputType::iter_all() {
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result.push_str(&format!("* {} - {}\n", output.shorthand(), output.default_filename()));
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}
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result
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});
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/// Returns all rustc command line options, including metadata for
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/// each option, such as whether the option is stable.
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pub fn rustc_optgroups() -> Vec<RustcOptGroup> {
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@ -1616,14 +1709,7 @@ pub fn rustc_optgroups() -> Vec<RustcOptGroup> {
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make_crate_type_option(),
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opt(Stable, Opt, "", "crate-name", "Specify the name of the crate being built", "NAME"),
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opt(Stable, Opt, "", "edition", &EDITION_STRING, EDITION_NAME_LIST),
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opt(
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Stable,
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Multi,
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"",
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"emit",
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"Comma separated list of types of output for the compiler to emit",
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"[asm|llvm-bc|llvm-ir|obj|metadata|link|dep-info|mir]",
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),
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opt(Stable, Multi, "", "emit", &EMIT_HELP, "TYPE[=FILE]"),
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opt(Stable, Multi, "", "print", &PRINT_HELP, "INFO[=FILE]"),
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opt(Stable, FlagMulti, "g", "", "Equivalent to -C debuginfo=2", ""),
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opt(Stable, FlagMulti, "O", "", "Equivalent to -C opt-level=3", ""),
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