diff options
Diffstat (limited to '090trace_browser.cc')
| -rw-r--r-- | 090trace_browser.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/090trace_browser.cc b/090trace_browser.cc index 676be4f2..93cba272 100644 --- a/090trace_browser.cc +++ b/090trace_browser.cc @@ -1,3 +1,6 @@ +//: A debugging helper that lets you zoom in/out on a trace. + +//: browse the trace we just created :(before "End Primitive Recipe Declarations") _BROWSE_TRACE, :(before "End Primitive Recipe Numbers") @@ -12,6 +15,14 @@ case _BROWSE_TRACE: { break; } +//: browse a trace loaded from a file +:(after "Commandline Parsing") +if (argc == 3 && is_equal(argv[1], "browse-trace")) { + load_trace(argv[2]); + start_trace_browser(); + return 0; +} + :(before "End Globals") set<long long int> Visible; long long int Top_of_screen = 0; @@ -211,3 +222,22 @@ void render_line(int screen_row, const string& s) { tb_change_cell(col, screen_row, ' ', TB_WHITE, TB_BLACK); } } + +void load_trace(const char* filename) { + ifstream tin(filename); + if (!tin) { + cerr << "no such file: " << filename << '\n'; + exit(1); + } + Trace_stream = new trace_stream; + while (has_data(tin)) { + int depth; + tin >> depth; + string label; + tin >> label; + if (*--label.end() == ':') label.erase(--label.end()); + string line; + getline(tin, line); + Trace_stream->past_lines.push_back(trace_line(depth, label, line)); + } +} |