tseeker-pub/rust-crafting-interpreters-part-1
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Interpreter - Lambda support

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This commit is contained in:
Emmanuel BENOîT 2023-01-02 21:37:56 +01:00
parent 0ef1318a35
commit f1145bfbdf
1 changed files with 4 additions and 1 deletions
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5
src/interpreter/interpretable.rs
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@ -160,7 +160,7 @@ impl ast::StmtNode {
params: &Vec<Token>, params: &Vec<Token>,
body: &Vec<ast::StmtNode>, body: &Vec<ast::StmtNode>,
) -> InterpreterResult { ) -> InterpreterResult {
let fun = Function::new(name, params, body); let fun = Function::new(Some(name), params, body);
environment environment
.borrow_mut() .borrow_mut()
.define(name, Some(Value::Callable(fun)))?; .define(name, Some(Value::Callable(fun)))?;
@ -286,6 +286,9 @@ impl Interpretable for ast::ExprNode {
right_paren, right_paren,
arguments, arguments,
} => self.on_call(environment, callee, right_paren, arguments), } => self.on_call(environment, callee, right_paren, arguments),
ast::ExprNode::Lambda { params, body } => {
Ok(Value::Callable(Function::new(None, params, body)).into())
}
} }
} }
} }