pipa-lang 1.0.0-alpha.1

A tiny template language
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

// SPDX-FileCopyrightText: Copyright 2026 olav@occy.org
// SPDX-License-Identifier: MPL-2.0

use crate::func::escape::escape_value;
use crate::lang::adapter::Adapter;
use crate::lang::args::eval_args;
use crate::lang::arity::Arity;
use crate::lang::arity::assert_func_arity;
use crate::lang::error::Error;
use crate::lang::machine::Machine;
use crate::lang::node::Node;
use crate::value::Value;
use itertools::Itertools;

pub(crate) fn internal_debug(
    adapter: &impl Adapter,
    machine: &mut Machine<'_>,
    stdin: Option<&Value>,
    node: Node,
) -> Result<Value, Error> {
    assert_func_arity(adapter, machine, stdin, &node, &Arity::min(0))?;

    let values = eval_args(adapter, machine, stdin, node)?;
    let values = match values.is_empty() {
        true => vec![Some(machine.map.clone().into())],
        false => values,
    };

    let debug = values.into_iter().map(|v| format!("{v:#?}")).join("\n");
    eprintln!("{debug}");

    Ok(escape_value(debug.into()))
}