Struct AstBuilder 

pub struct AstBuilder { /* private fields */ }

Available on crate feature alloc only.

ProgramVisitor that builds an owned Program and collects Diagnostics.

Used by parse; typically not constructed by users.

Implementations

impl AstBuilder

pub const fn new() -> Self

Creates a new AstBuilder.

pub fn finish(self) -> Result<Program, Diagnostics>

Returns the built Program, or Err with the collected Diagnostics if any diagnostic was emitted.

Trait Implementations

impl Debug for AstBuilder

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

Formats the value using the given formatter.

impl Default for AstBuilder

fn default() -> Self

Returns the “default value” for a type.

impl HasDiagnostics for AstBuilder

fn diagnostics(&mut self) -> &mut dyn Diagnostics

Returns a mutable reference to the diagnostics sink used for this parse.

impl ProgramVisitor for AstBuilder

fn start_block(&mut self) -> ControlFlow<impl BlockVisitor + '_>

Called at the start of each block (line). Return a BlockVisitor to handle this block, or break to pause parsing.