90 lines
3.2 KiB
Rust
90 lines
3.2 KiB
Rust
#![cfg(feature = "debugging")]
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use crate::def_package;
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use crate::plugin::*;
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#[cfg(feature = "no_std")]
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use std::prelude::v1::*;
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#[cfg(not(feature = "no_function"))]
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#[cfg(not(feature = "no_index"))]
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use crate::{Array, Dynamic, NativeCallContext};
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#[cfg(not(feature = "no_function"))]
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#[cfg(not(feature = "no_index"))]
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#[cfg(not(feature = "no_object"))]
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use crate::Map;
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def_package! {
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/// Package of basic debugging utilities.
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crate::DebuggingPackage => |lib| {
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lib.standard = true;
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combine_with_exported_module!(lib, "debugging", debugging_functions);
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}
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}
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#[export_module]
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mod debugging_functions {
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/// Get an array of object maps containing the function calls stack.
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///
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/// If there is no debugging interface registered, an empty array is returned.
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///
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/// An array of strings is returned under `no_object`.
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#[cfg(not(feature = "no_function"))]
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#[cfg(not(feature = "no_index"))]
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pub fn back_trace(ctx: NativeCallContext) -> Array {
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if let Some(global) = ctx.global_runtime_state() {
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global
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.debugger
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.call_stack()
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.iter()
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.rev()
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.filter(|crate::debugger::CallStackFrame { fn_name, args, .. }| {
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fn_name != "back_trace" || !args.is_empty()
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})
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.map(
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|frame @ crate::debugger::CallStackFrame {
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fn_name: _fn_name,
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args: _args,
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source: _source,
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pos: _pos,
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}| {
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let display = frame.to_string();
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#[cfg(not(feature = "no_object"))]
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{
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let mut map = Map::new();
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map.insert("display".into(), display.into());
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map.insert("fn_name".into(), _fn_name.into());
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if !_args.is_empty() {
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map.insert(
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"args".into(),
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Dynamic::from_array(_args.clone().to_vec()),
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);
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}
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if !_source.is_empty() {
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map.insert("source".into(), _source.into());
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}
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if !_pos.is_none() {
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map.insert(
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"line".into(),
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(_pos.line().unwrap() as crate::INT).into(),
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);
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map.insert(
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"position".into(),
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(_pos.position().unwrap_or(0) as crate::INT).into(),
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);
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}
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Dynamic::from_map(map)
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}
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#[cfg(feature = "no_object")]
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display.into()
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},
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)
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.collect()
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} else {
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Array::new()
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}
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}
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}
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