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https://github.com/fish-shell/fish-shell.git
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37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
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#include "config.h"
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#include "trace.h"
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#include "common.h"
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#include "flog.h"
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#include "parser.h"
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bool trace_enabled(const parser_t &parser) {
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auto &ld = parser.libdata();
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if (ld.suppress_fish_trace) return false;
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// TODO: this variable lookup is somewhat expensive, consider how to make this cheaper.
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return !parser.vars().get(L"fish_trace").missing_or_empty();
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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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void trace_argv(const parser_t &parser, const wchar_t *command, const wcstring_list_t &argv) {
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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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wcstring trace_text(parser.block_count(), '+');
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if (command && command[0]) {
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trace_text.push_back(L' ');
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trace_text.append(command);
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}
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for (const wcstring &arg : argv) {
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trace_text.push_back(L' ');
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trace_text.append(escape_string(arg, ESCAPE_ALL));
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}
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trace_text.push_back('\n');
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log_extra_to_flog_file(trace_text);
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}
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void trace_if_enabled(const parser_t &parser, const wchar_t *command, const wcstring_list_t &argv) {
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if (trace_enabled(parser)) trace_argv(parser, command, argv);
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}
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