Struct ProvenanceTables

pub struct ProvenanceTables {
    spans: PrimaryMap<SpanId, SourceSpan>,
    origins: PrimaryMap<OriginId, Origin>,
}

Arena-backed provenance tables shared by all passes.

Fields

spans: PrimaryMap<SpanId, SourceSpan>

origins: PrimaryMap<OriginId, Origin>

Implementations

impl ProvenanceTables

pub fn intern_span(&mut self, span: SourceSpan) -> SpanId

Intern a source span and return its stable id.

pub fn record_parsed(&mut self, span: SourceSpan) -> OriginId

Record one parsed origin from a source span.

pub fn record_expanded(&mut self, from: OriginId, phase: PassId) -> OriginId

Record one expanded origin from an existing origin id.

pub fn record_lowered(&mut self, from: OriginId, phase: PassId) -> OriginId

Record one lowered origin from an existing origin id.

pub fn record_synthesized( &mut self, reason: &'static str, parent: Option<OriginId>, ) -> OriginId

Record one synthesized origin.

pub fn span(&self, span_id: SpanId) -> &SourceSpan

Return one span by id.

pub fn origin(&self, origin_id: OriginId) -> &Origin

Return one origin by id.

pub fn summary(&self) -> ProvenanceSummary

Return aggregate counters for provenance tables.

Trait Implementations

impl Debug for ProvenanceTables

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ProvenanceTables

fn default() -> ProvenanceTables

Returns the “default value” for a type.