bjoernager/rust
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Fixed weird non-sequential indices for serialisation of SourceFile type.

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This commit is contained in:
Alexander Regueiro 2019-09-30 01:06:00 +01:00
parent fdd1a62a45
commit 8a4af2f699
1 changed files with 15 additions and 16 deletions
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31
src/libsyntax_pos/lib.rs
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@ -884,7 +884,7 @@ pub struct OffsetOverflowError;
/// A single source in the `SourceMap`.
#[derive(Clone)]
pub struct SourceFile {
/// The name of the file that the source came from, source that doesn't
/// The name of the file that the source came from. Source that doesn't
/// originate from files has names between angle brackets by convention
/// (e.g., `<anon>`).
pub name: FileName,
@ -922,9 +922,9 @@ impl Encodable for SourceFile {
s.emit_struct_field("name", 0, |s| self.name.encode(s))?;
s.emit_struct_field("name_was_remapped", 1, |s| self.name_was_remapped.encode(s))?;
s.emit_struct_field("src_hash", 2, |s| self.src_hash.encode(s))?;
s.emit_struct_field("start_pos", 4, |s| self.start_pos.encode(s))?;
s.emit_struct_field("end_pos", 5, |s| self.end_pos.encode(s))?;
s.emit_struct_field("lines", 6, |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| {
let lines = &self.lines[..];
// Store the length.
s.emit_u32(lines.len() as u32)?;
@ -970,13 +970,13 @@ impl Encodable for SourceFile {
Ok(())
})?;
s.emit_struct_field("multibyte_chars", 7, |s| {
s.emit_struct_field("multibyte_chars", 6, |s| {
self.multibyte_chars.encode(s)
})?;
s.emit_struct_field("non_narrow_chars", 8, |s| {
s.emit_struct_field("non_narrow_chars", 7, |s| {
self.non_narrow_chars.encode(s)
})?;
s.emit_struct_field("name_hash", 9, |s| {
s.emit_struct_field("name_hash", 8, |s| {
self.name_hash.encode(s)
})
})
@ -985,7 +985,6 @@ impl Encodable for SourceFile {
impl Decodable for SourceFile {
fn decode<D: Decoder>(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))?;
let name_was_remapped: bool =
@ -993,9 +992,9 @@ impl Decodable for SourceFile {
let src_hash: u128 =
d.read_struct_field("src_hash", 2, |d| Decodable::decode(d))?;
let start_pos: BytePos =
d.read_struct_field("start_pos", 4, |d| Decodable::decode(d))?;
let end_pos: BytePos = d.read_struct_field("end_pos", 5, |d| Decodable::decode(d))?;
let lines: Vec<BytePos> = d.read_struct_field("lines", 6, |d| {
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| {
let num_lines: u32 = Decodable::decode(d)?;
let mut lines = Vec::with_capacity(num_lines as usize);
@ -1024,18 +1023,18 @@ impl Decodable for SourceFile {
Ok(lines)
})?;
let multibyte_chars: Vec<MultiByteChar> =
d.read_struct_field("multibyte_chars", 7, |d| Decodable::decode(d))?;
d.read_struct_field("multibyte_chars", 6, |d| Decodable::decode(d))?;
let non_narrow_chars: Vec<NonNarrowChar> =
d.read_struct_field("non_narrow_chars", 8, |d| Decodable::decode(d))?;
d.read_struct_field("non_narrow_chars", 7, |d| Decodable::decode(d))?;
let name_hash: u128 =
d.read_struct_field("name_hash", 9, |d| Decodable::decode(d))?;
d.read_struct_field("name_hash", 8, |d| Decodable::decode(d))?;
Ok(SourceFile {
name,
name_was_remapped,
unmapped_path: None,
// `crate_of_origin` has to be set by the importer.
// This value matches up with rustc::hir::def_id::INVALID_CRATE.
// That constant is not available here unfortunately :(
// This value matches up with `rustc::hir::def_id::INVALID_CRATE`.
// That constant is not available here, unfortunately.
crate_of_origin: std::u32::MAX - 1,
start_pos,
end_pos,