Struct rustc_middle::query::on_disk_cache::CacheEncoder

pub struct CacheEncoder<'a, 'tcx> {
    tcx: TyCtxt<'tcx>,
    encoder: FileEncoder,
    type_shorthands: FxHashMap<Ty<'tcx>, usize>,
    predicate_shorthands: FxHashMap<PredicateKind<'tcx>, usize>,
    interpret_allocs: FxIndexSet<AllocId>,
    source_map: CachingSourceMapView<'tcx>,
    file_to_file_index: FxHashMap<*const SourceFile, SourceFileIndex>,
    hygiene_context: &'a HygieneEncodeContext,
    symbol_table: FxHashMap<Symbol, usize>,
}

An encoder that can write to the incremental compilation cache.

Fields

tcx: TyCtxt<'tcx>

encoder: FileEncoder

type_shorthands: FxHashMap<Ty<'tcx>, usize>

predicate_shorthands: FxHashMap<PredicateKind<'tcx>, usize>

interpret_allocs: FxIndexSet<AllocId>

source_map: CachingSourceMapView<'tcx>

file_to_file_index: FxHashMap<*const SourceFile, SourceFileIndex>

hygiene_context: &'a HygieneEncodeContext

symbol_table: FxHashMap<Symbol, usize>

Implementations

impl<'a, 'tcx> CacheEncoder<'a, 'tcx>

fn source_file_index(&mut self, source_file: Lrc<SourceFile>) -> SourceFileIndex

pub fn encode_tagged<T: Encodable<Self>, V: Encodable<Self>>( &mut self, tag: T, value: &V, )

Encode something with additional information that allows to do some sanity checks when decoding the data again. This method will first encode the specified tag, then the given value, then the number of bytes taken up by tag and value. On decoding, we can then verify that we get the expected tag and read the expected number of bytes.

fn finish(self) -> FileEncodeResult

Trait Implementations

impl<'a, 'tcx> Encodable<CacheEncoder<'a, 'tcx>> for [u8]

fn encode(&self, e: &mut CacheEncoder<'a, 'tcx>)

impl<'a, 'tcx> Encoder for CacheEncoder<'a, 'tcx>

fn emit_usize(&mut self, value: usize)

fn emit_u128(&mut self, value: u128)

fn emit_u64(&mut self, value: u64)

fn emit_u32(&mut self, value: u32)

fn emit_u16(&mut self, value: u16)

fn emit_u8(&mut self, value: u8)

fn emit_isize(&mut self, value: isize)

fn emit_i128(&mut self, value: i128)

fn emit_i64(&mut self, value: i64)

fn emit_i32(&mut self, value: i32)

fn emit_i16(&mut self, value: i16)

fn emit_raw_bytes(&mut self, value: &[u8])

fn emit_i8(&mut self, v: i8)

fn emit_bool(&mut self, v: bool)

fn emit_char(&mut self, v: char)

fn emit_str(&mut self, v: &str)

impl<'a, 'tcx> SpanEncoder for CacheEncoder<'a, 'tcx>

fn encode_syntax_context(&mut self, syntax_context: SyntaxContext)

fn encode_expn_id(&mut self, expn_id: ExpnId)

fn encode_span(&mut self, span: Span)

fn encode_symbol(&mut self, symbol: Symbol)

fn encode_crate_num(&mut self, crate_num: CrateNum)

As a local identifier, a CrateNum is only meaningful within its context, e.g. within a tcx. Therefore, make sure to include the context when encode a CrateNum.

fn encode_def_id(&mut self, def_id: DefId)

fn encode_def_index(&mut self, _def_index: DefIndex)

impl<'a, 'tcx> TyEncoder for CacheEncoder<'a, 'tcx>

type I = TyCtxt<'tcx>

const CLEAR_CROSS_CRATE: bool = false

fn position(&self) -> usize

fn type_shorthands(&mut self) -> &mut FxHashMap<Ty<'tcx>, usize>

fn predicate_shorthands(&mut self) -> &mut FxHashMap<PredicateKind<'tcx>, usize>

fn encode_alloc_id(&mut self, alloc_id: &AllocId)

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 400 bytes