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This commit is contained in:
JT
2021-09-06 11:16:27 +12:00
parent 036c6a9a52
commit aaee3a8b61
10 changed files with 192 additions and 124 deletions
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10
crates/nu-engine/src/eval.rs
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@ -8,14 +8,16 @@ pub fn eval_operator(op: &Expression) -> Result<Operator, ShellError> {
expr: Expr::Operator(operator),
..
} => Ok(operator.clone()),
Expression { span, .. } => Err(ShellError::Unsupported(*span)),
Expression { span, expr, .. } => {
Err(ShellError::UnknownOperator(format!("{:?}", expr), *span))
}
}
}
fn eval_call(context: &EvaluationContext, call: &Call, input: Value) -> Result<Value, ShellError> {
let engine_state = context.engine_state.borrow();
let decl = engine_state.get_decl(call.decl_id);
if let Some(block_id) = decl.get_custom_command() {
if let Some(block_id) = decl.get_block_id() {
let state = context.enter_scope();
for (arg, param) in call.positional.iter().zip(
decl.signature()
@ -101,7 +103,7 @@ pub fn eval_expression(
.get_var(*var_id)
.map_err(move |_| ShellError::VariableNotFound(expr.span)),
Expr::Call(call) => eval_call(context, call, Value::nothing()),
Expr::ExternalCall(_, _) => Err(ShellError::Unsupported(expr.span)),
Expr::ExternalCall(_, _) => Err(ShellError::ExternalNotSupported(expr.span)),
Expr::Operator(_) => Ok(Value::Nothing { span: expr.span }),
Expr::BinaryOp(lhs, op, rhs) => {
let op_span = op.span;
@ -120,7 +122,7 @@ pub fn eval_expression(
Operator::GreaterThanOrEqual => lhs.gte(op_span, &rhs),
Operator::Equal => lhs.eq(op_span, &rhs),
Operator::NotEqual => lhs.ne(op_span, &rhs),
_ => Err(ShellError::Unsupported(op_span)),
x => Err(ShellError::UnsupportedOperator(x, op_span)),
}
}