fish-shell/src/trace.cpp
Rosen Penev fee08a87e9 [cppcheck] add const in several places
Found with constParameter, functionConst, constVariable, constArgument

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2020-03-14 15:07:54 -07:00

38 lines
1.2 KiB
C++

#include "config.h"
#include "trace.h"
#include "common.h"
#include "flog.h"
#include "parser.h"
static const wcstring VAR_fish_trace = L"fish_trace";
bool trace_enabled(const parser_t &parser) {
const auto &ld = parser.libdata();
if (ld.suppress_fish_trace) return false;
// TODO: this variable lookup is somewhat expensive, consider how to make this cheaper.
return !parser.vars().get(VAR_fish_trace).missing_or_empty();
}
/// Trace an "argv": a list of arguments where the first is the command.
void trace_argv(const parser_t &parser, const wchar_t *command, const wcstring_list_t &argv) {
// Format into a string to prevent interleaving with flog in other threads.
// Add the + prefix.
wcstring trace_text(parser.blocks().size(), '+');
if (command && command[0]) {
trace_text.push_back(L' ');
trace_text.append(command);
}
for (const wcstring &arg : argv) {
trace_text.push_back(L' ');
trace_text.append(escape_string(arg, ESCAPE_ALL));
}
trace_text.push_back('\n');
log_extra_to_flog_file(trace_text);
}
void trace_if_enabled(const parser_t &parser, const wchar_t *command, const wcstring_list_t &argv) {
if (trace_enabled(parser)) trace_argv(parser, command, argv);
}