bjoernager/rust
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Auto merge of #85903 - bjorn3:rustc_serialize_cleanup, r=varkor

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Remove unused functions and arguments from rustc_serialize
This commit is contained in:
bors 2021-06-07 14:40:26 +00:00
commit e4a6032706
8 changed files with 144 additions and 350 deletions
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68
compiler/rustc_span/src/lib.rs
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@ -146,11 +146,12 @@ impl Hash for RealFileName {
// an added assert statement
impl<S: Encoder> Encodable<S> for RealFileName {
fn encode(&self, encoder: &mut S) -> Result<(), S::Error> {
encoder.emit_enum("RealFileName", |encoder| match *self {
encoder.emit_enum(|encoder| match *self {
RealFileName::LocalPath(ref local_path) => {
encoder.emit_enum_variant("LocalPath", 0, 1, |encoder| {
Ok({
encoder.emit_enum_variant_arg(0, |encoder| local_path.encode(encoder))?;
encoder
.emit_enum_variant_arg(true, |encoder| local_path.encode(encoder))?;
})
})
}
@ -161,8 +162,10 @@ impl<S: Encoder> Encodable<S> for RealFileName {
// if they have been remapped by --remap-path-prefix
assert!(local_path.is_none());
Ok({
encoder.emit_enum_variant_arg(0, |encoder| local_path.encode(encoder))?;
encoder.emit_enum_variant_arg(1, |encoder| virtual_name.encode(encoder))?;
encoder
.emit_enum_variant_arg(true, |encoder| local_path.encode(encoder))?;
encoder
.emit_enum_variant_arg(false, |encoder| virtual_name.encode(encoder))?;
})
}),
})
@ -827,17 +830,17 @@ impl Default for Span {
impl<E: Encoder> Encodable<E> for Span {
default fn encode(&self, s: &mut E) -> Result<(), E::Error> {
let span = self.data();
s.emit_struct("Span", 2, |s| {
s.emit_struct_field("lo", 0, |s| span.lo.encode(s))?;
s.emit_struct_field("hi", 1, |s| span.hi.encode(s))
s.emit_struct(false, |s| {
s.emit_struct_field("lo", true, |s| span.lo.encode(s))?;
s.emit_struct_field("hi", false, |s| span.hi.encode(s))
})
}
}
impl<D: Decoder> Decodable<D> for Span {
default fn decode(s: &mut D) -> Result<Span, D::Error> {
s.read_struct("Span", 2, |d| {
let lo = d.read_struct_field("lo", 0, Decodable::decode)?;
let hi = d.read_struct_field("hi", 1, Decodable::decode)?;
s.read_struct(|d| {
let lo = d.read_struct_field("lo", Decodable::decode)?;
let hi = d.read_struct_field("hi", Decodable::decode)?;
Ok(Span::new(lo, hi, SyntaxContext::root()))
})
@ -1234,12 +1237,12 @@ pub struct SourceFile {
impl<S: Encoder> Encodable<S> for SourceFile {
fn encode(&self, s: &mut S) -> Result<(), S::Error> {
s.emit_struct("SourceFile", 8, |s| {
s.emit_struct_field("name", 0, |s| self.name.encode(s))?;
s.emit_struct_field("src_hash", 2, |s| self.src_hash.encode(s))?;
s.emit_struct_field("start_pos", 3, |s| self.start_pos.encode(s))?;
s.emit_struct_field("end_pos", 4, |s| self.end_pos.encode(s))?;
s.emit_struct_field("lines", 5, |s| {
s.emit_struct(false, |s| {
s.emit_struct_field("name", true, |s| self.name.encode(s))?;
s.emit_struct_field("src_hash", false, |s| self.src_hash.encode(s))?;
s.emit_struct_field("start_pos", false, |s| self.start_pos.encode(s))?;
s.emit_struct_field("end_pos", false, |s| self.end_pos.encode(s))?;
s.emit_struct_field("lines", false, |s| {
let lines = &self.lines[..];
// Store the length.
s.emit_u32(lines.len() as u32)?;
@ -1297,25 +1300,24 @@ impl<S: Encoder> Encodable<S> for SourceFile {
Ok(())
})?;
s.emit_struct_field("multibyte_chars", 6, |s| self.multibyte_chars.encode(s))?;
s.emit_struct_field("non_narrow_chars", 7, |s| self.non_narrow_chars.encode(s))?;
s.emit_struct_field("name_hash", 8, |s| self.name_hash.encode(s))?;
s.emit_struct_field("normalized_pos", 9, |s| self.normalized_pos.encode(s))?;
s.emit_struct_field("cnum", 10, |s| self.cnum.encode(s))
s.emit_struct_field("multibyte_chars", false, |s| self.multibyte_chars.encode(s))?;
s.emit_struct_field("non_narrow_chars", false, |s| self.non_narrow_chars.encode(s))?;
s.emit_struct_field("name_hash", false, |s| self.name_hash.encode(s))?;
s.emit_struct_field("normalized_pos", false, |s| self.normalized_pos.encode(s))?;
s.emit_struct_field("cnum", false, |s| self.cnum.encode(s))
})
}
}
impl<D: Decoder> Decodable<D> for SourceFile {
fn decode(d: &mut D) -> Result<SourceFile, D::Error> {
d.read_struct("SourceFile", 8, |d| {
let name: FileName = d.read_struct_field("name", 0, |d| Decodable::decode(d))?;
d.read_struct(|d| {
let name: FileName = d.read_struct_field("name", |d| Decodable::decode(d))?;
let src_hash: SourceFileHash =
d.read_struct_field("src_hash", 2, |d| Decodable::decode(d))?;
let start_pos: BytePos =
d.read_struct_field("start_pos", 3, |d| Decodable::decode(d))?;
let end_pos: BytePos = d.read_struct_field("end_pos", 4, |d| Decodable::decode(d))?;
let lines: Vec<BytePos> = d.read_struct_field("lines", 5, |d| {
d.read_struct_field("src_hash", |d| Decodable::decode(d))?;
let start_pos: BytePos = d.read_struct_field("start_pos", |d| Decodable::decode(d))?;
let end_pos: BytePos = d.read_struct_field("end_pos", |d| Decodable::decode(d))?;
let lines: Vec<BytePos> = d.read_struct_field("lines", |d| {
let num_lines: u32 = Decodable::decode(d)?;
let mut lines = Vec::with_capacity(num_lines as usize);
@ -1344,13 +1346,13 @@ impl<D: Decoder> Decodable<D> for SourceFile {
Ok(lines)
})?;
let multibyte_chars: Vec<MultiByteChar> =
d.read_struct_field("multibyte_chars", 6, |d| Decodable::decode(d))?;
d.read_struct_field("multibyte_chars", |d| Decodable::decode(d))?;
let non_narrow_chars: Vec<NonNarrowChar> =
d.read_struct_field("non_narrow_chars", 7, |d| Decodable::decode(d))?;
let name_hash: u128 = d.read_struct_field("name_hash", 8, |d| Decodable::decode(d))?;
d.read_struct_field("non_narrow_chars", |d| Decodable::decode(d))?;
let name_hash: u128 = d.read_struct_field("name_hash", |d| Decodable::decode(d))?;
let normalized_pos: Vec<NormalizedPos> =
d.read_struct_field("normalized_pos", 9, |d| Decodable::decode(d))?;
let cnum: CrateNum = d.read_struct_field("cnum", 10, |d| Decodable::decode(d))?;
d.read_struct_field("normalized_pos", |d| Decodable::decode(d))?;
let cnum: CrateNum = d.read_struct_field("cnum", |d| Decodable::decode(d))?;
Ok(SourceFile {
name,
start_pos,