mirror of
https://github.com/fish-shell/fish-shell.git
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77aeb6a2a8
Drop support for history file version 1. ParseExecutionContext no longer contains an OperationContext because in my first implementation, ParseExecutionContext didn't have interior mutability. We should probably try to add it back. Add a few to-do style comments. Search for "todo!" and "PORTING". Co-authored-by: Xiretza <xiretza@xiretza.xyz> (complete, wildcard, expand, history, history/file) Co-authored-by: Henrik Hørlück Berg <36937807+henrikhorluck@users.noreply.github.com> (builtins/set)
90 lines
2.8 KiB
Rust
90 lines
2.8 KiB
Rust
use crate::parser::Parser;
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use crate::{
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common::escape,
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ffi::{self, wcharz_t, wcstring_list_ffi_t},
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global_safety::RelaxedAtomicBool,
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wchar::prelude::*,
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wchar_ffi::{WCharFromFFI, WCharToFFI},
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};
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#[cxx::bridge]
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mod trace_ffi {
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extern "C++" {
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include!("wutil.h");
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include!("parser.h");
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type wcstring_list_ffi_t = super::wcstring_list_ffi_t;
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type wcharz_t = super::wcharz_t;
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type Parser = crate::parser::Parser;
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}
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extern "Rust" {
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fn trace_set_enabled(do_enable: bool);
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fn trace_enabled(parser: &Parser) -> bool;
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#[cxx_name = "trace_argv"]
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fn trace_argv_ffi(parser: &Parser, command: wcharz_t, args: &wcstring_list_ffi_t);
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}
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}
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static DO_TRACE: RelaxedAtomicBool = RelaxedAtomicBool::new(false);
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pub fn trace_set_enabled(do_enable: bool) {
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DO_TRACE.store(do_enable);
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}
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/// return whether tracing is enabled.
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pub fn trace_enabled(parser: &Parser) -> bool {
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let ld = &parser.libdata().pods;
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if ld.suppress_fish_trace {
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return false;
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}
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DO_TRACE.load()
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}
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/// Trace an "argv": a list of arguments where the first is the command.
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// Allow the `&Vec` parameter as this function only exists temporarily for the FFI
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#[allow(clippy::ptr_arg)]
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fn trace_argv_ffi(parser: &Parser, command: wcharz_t, args: &wcstring_list_ffi_t) {
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let command: WString = command.into();
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let args: Vec<WString> = args.from_ffi();
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let args_ref: Vec<&wstr> = args.iter().map(WString::as_utfstr).collect();
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trace_argv(parser, command.as_utfstr(), &args_ref);
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}
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pub fn trace_argv<S: AsRef<wstr>>(parser: &Parser, command: &wstr, args: &[S]) {
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// Format into a string to prevent interleaving with flog in other threads.
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// Add the + prefix.
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let mut trace_text = L!("-").repeat(parser.blocks_size() - 1);
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trace_text.push('>');
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if !command.is_empty() {
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trace_text.push(' ');
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trace_text.push_utfstr(command);
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}
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for arg in args {
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trace_text.push(' ');
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trace_text.push_utfstr(&escape(arg.as_ref()));
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}
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trace_text.push('\n');
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ffi::log_extra_to_flog_file(&trace_text.to_ffi());
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}
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pub fn trace_if_enabled_ffi<S: AsRef<wstr>>(parser: &Parser, command: &wstr, args: &[S]) {
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if trace_enabled(parser) {
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trace_argv(parser, command, args);
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}
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}
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/// Convenience helper to trace a single command if tracing is enabled.
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pub fn trace_if_enabled(parser: &Parser, command: &wstr) {
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if trace_enabled(parser) {
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let argv: &[&'static wstr] = &[];
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trace_argv(parser, command, argv);
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}
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}
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/// Convenience helper to trace a single command and arguments if tracing is enabled.
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pub fn trace_if_enabled_with_args<S: AsRef<wstr>>(parser: &Parser, command: &wstr, args: &[S]) {
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if trace_enabled(parser) {
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trace_argv(parser, command, args);
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}
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}
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