Struct Builder

pub struct Builder<S: Eq + Hash> { /* private fields */ }

A rain IR builder which consumes an AST and outputs IR, along with handling errors

Implementations

impl<'a, S: Eq + Hash + From<&'a str> + Borrow<str>> Builder<S>

pub fn new() -> Builder<S>

Create a new IR builder

pub fn build_let( &mut self, let_statement: &Let<'a>, ) -> Result<SmallVec<[Definition<'a>; 1]>, BuilderError<'a>>

Build a let expression, registering the symbols defined in the current scope Returns a list of symbols defined

pub fn assign_pattern( &mut self, pattern: &Pattern<'a>, expr: &Expr<'a>, ) -> Result<SmallVec<[Definition<'a>; 1]>, BuilderError<'a>>

Assign an expression to a pattern Returns a list of symbols defined, along with previous definitions (if any)

pub fn build_simple_assign( &mut self, simple: &SimpleAssignment<'a>, expr: &Expr<'a>, ) -> Result<Definition<'a>, BuilderError<'a>>

Build a simple assignment.

pub fn build_expr(&mut self, expr: &Expr<'a>) -> Result<ValId, BuilderError<'a>>

Build the value for an expression

pub fn build_scope( &mut self, scope: &Scope<'a>, ) -> Result<ValId, BuilderError<'a>>

Build the value for a scope

pub fn lookup_path(&self, path: &Path<'a>) -> Result<ValId, BuilderError<'a>>

Look up a path

pub fn build_sexpr( &mut self, sexpr: &Sexpr<'a>, ) -> Result<ValId, BuilderError<'a>>

Build the value for an S-expression

pub fn build_sexpr_args( &mut self, sexpr: &Sexpr<'a>, ) -> Result<SexprArgs, BuilderError<'a>>

Build the arguments for an S-expression

Trait Implementations

impl<S: Clone + Eq + Hash> Clone for Builder<S>

fn clone(&self) -> Builder<S>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<S: Debug + Eq + Hash> Debug for Builder<S>

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

Formats the value using the given formatter.