Struct SimpleParserDatabase 

pub struct SimpleParserDatabase { /* private fields */ }

A salsa database for parsing only.

Implementations

impl SimpleParserDatabase

pub fn parse_virtual( &self, content: impl ToString, ) -> Result<SyntaxNode<'_>, Diagnostics<'_, ParserDiagnostic<'_>>>

Parses new file and returns its syntax root.

This is similar to Self::parse_virtual_with_diagnostics, but is more ergonomic in cases when exact diagnostics do not matter at the usage place. If the parser has emitted error diagnostics, this function will return an error. If no error diagnostics has been emitted, the syntax root will be returned.

pub fn parse_virtual_with_diagnostics( &self, content: impl ToString, ) -> (SyntaxNode<'_>, Diagnostics<'_, ParserDiagnostic<'_>>)

Parses new file and return its syntax root with diagnostics.

This function creates new virtual file with the given content and parses it. Diagnostics gathered by the parser are returned alongside the result.

pub fn parse_token_stream( &self, token_stream: &dyn ToPrimitiveTokenStream<Iter = impl Iterator<Item = PrimitiveToken>>, ) -> (SyntaxNode<'_>, Diagnostics<'_, ParserDiagnostic<'_>>)

Parses a token stream (based on whole file) and returns its syntax root. It’s very similar to Self::parse_virtual_with_diagnostics, but instead of taking a content as a string, it takes a type that implements ToPrimitiveTokenStream trait

pub fn parse_token_stream_expr( &self, token_stream: &dyn ToPrimitiveTokenStream<Iter = impl Iterator<Item = PrimitiveToken>>, ) -> (SyntaxNode<'_>, Diagnostics<'_, ParserDiagnostic<'_>>)

Parses a token stream (based on a single expression). It’s very similar to the Self::parse_token_stream.

Trait Implementations

impl Clone for SimpleParserDatabase

fn clone(&self) -> SimpleParserDatabase

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Database for SimpleParserDatabase

fn trigger_lru_eviction(&mut self)

Enforces current LRU limits, evicting entries if necessary.

fn synthetic_write(&mut self, durability: Durability)

A “synthetic write” causes the system to act as though some input of durability durability has changed, triggering a new revision. This is mostly useful for profiling scenarios.

fn trigger_cancellation(&mut self)

This method triggers cancellation. If you invoke it while a snapshot exists, it will block until that snapshot is dropped – if that snapshot is owned by the current thread, this could trigger deadlock.

fn report_untracked_read(&self)

Reports that the query depends on some state unknown to salsa.

fn ingredient_debug_name( &self, ingredient_index: IngredientIndex, ) -> Cow<'_, str>

Return the “debug name” (i.e., the struct name, etc) for an “ingredient”, which are the fine-grained components we use to track data. This is intended for debugging and the contents of the returned string are not semver-guaranteed.

fn unwind_if_revision_cancelled(&self)

Starts unwinding the stack if the current revision is cancelled.

fn attach<R>(&self, op: impl FnOnce(&Self) -> R) -> R

where Self: Sized,

Execute op with the database in thread-local storage for debug print-outs.

impl Default for SimpleParserDatabase

fn default() -> Self

Returns the “default value” for a type.

impl HasStorage for SimpleParserDatabase

fn storage(&self) -> &Storage<Self>

fn storage_mut(&mut self) -> &mut Storage<Self>