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-rw-r--r--cpp/literate/tangle/001trace.cc338
1 files changed, 0 insertions, 338 deletions
diff --git a/cpp/literate/tangle/001trace.cc b/cpp/literate/tangle/001trace.cc
deleted file mode 100644
index a99951e0..00000000
--- a/cpp/literate/tangle/001trace.cc
+++ /dev/null
@@ -1,338 +0,0 @@
-bool Hide_warnings = false;
-
-struct trace_stream {
-  vector<pair<string, pair<int, string> > > past_lines;  // [(layer label, frame, line)]
-  unordered_map<string, int> frame;
-  // accumulator for current line
-  ostringstream* curr_stream;
-  string curr_layer;
-  string dump_layer;
-  trace_stream() :curr_stream(NULL) {}
-  ~trace_stream() { if (curr_stream) delete curr_stream; }
-
-  ostringstream& stream(string layer) {
-    newline();
-    curr_stream = new ostringstream;
-    curr_layer = layer;
-    return *curr_stream;
-  }
-
-  // be sure to call this before messing with curr_stream or curr_layer or frame
-  void newline() {
-    if (!curr_stream) return;
-    past_lines.push_back(pair<string, pair<int, string> >(curr_layer, pair<int, string>(frame[curr_layer], curr_stream->str())));
-    if (curr_layer == "dump")
-      cerr << with_newline(curr_stream->str());
-    else if ((!dump_layer.empty() && prefix_match(dump_layer, curr_layer))
-        || (!Hide_warnings && curr_layer == "warn"))
-      cerr << curr_layer << "/" << frame[curr_layer] << ": " << with_newline(curr_stream->str());
-    delete curr_stream;
-    curr_stream = NULL;
-  }
-
-  string readable_contents(string layer) {  // missing layer = everything, frame, hierarchical layers
-    newline();
-    ostringstream output;
-    string real_layer, frame;
-    parse_layer_and_frame(layer, &real_layer, &frame);
-    for (vector<pair<string, pair<int, string> > >::iterator p = past_lines.begin(); p != past_lines.end(); ++p)
-      if (layer.empty() || prefix_match(real_layer, p->first))
-        output << p->first << "/" << p->second.first << ": " << with_newline(p->second.second);
-    return output.str();
-  }
-
-  void dump_browseable_contents(string layer) {
-    ofstream dump("dump");
-    dump << "<div class='frame' frame_index='1'>start</div>\n";
-    for (vector<pair<string, pair<int, string> > >::iterator p = past_lines.begin(); p != past_lines.end(); ++p) {
-      if (p->first != layer) continue;
-      dump << "<div class='frame";
-      if (p->second.first > 1) dump << " hidden";
-      dump << "' frame_index='" << p->second.first << "'>";
-      dump << p->second.second;
-      dump << "</div>\n";
-    }
-    dump.close();
-  }
-
-  string with_newline(string s) {
-    if (s[s.size()-1] != '\n') return s+'\n';
-    return s;
-  }
-};
-
-
-
-trace_stream* Trace_stream = NULL;
-
-// Top-level helper. IMPORTANT: can't nest.
-#define trace(layer)  !Trace_stream ? cerr /*print nothing*/ : Trace_stream->stream(layer)
-// Warnings should go straight to cerr by default since calls to trace() have
-// some unfriendly constraints (they delay printing, they can't nest)
-#define RAISE  ((!Trace_stream || !Hide_warnings) ? cerr /*do print*/ : Trace_stream->stream("warn")) << __FILE__ << ":" << __LINE__ << " "
-// Just debug logging without any test support.
-#define dbg cerr << __FUNCTION__ << '(' << __FILE__ << ':' << __LINE__ << ") "
-
-// RAISE << die exits after printing -- unless Hide_warnings is set.
-struct die {};
-ostream& operator<<(ostream& os, unused die) {
-  if (Hide_warnings) return os;
-  os << "dying";
-  exit(1);
-}
-
-#define CLEAR_TRACE  delete Trace_stream, Trace_stream = new trace_stream;
-
-#define DUMP(layer)  cerr << Trace_stream->readable_contents(layer)
-
-// Trace_stream is a resource, lease_tracer uses RAII to manage it.
-struct lease_tracer {
-  lease_tracer() { Trace_stream = new trace_stream; }
-  ~lease_tracer() { delete Trace_stream, Trace_stream = NULL; }
-};
-
-#define START_TRACING_UNTIL_END_OF_SCOPE  lease_tracer leased_tracer;
-
-void trace_all(const string& label, const list<string>& in) {
-  for (list<string>::const_iterator p = in.begin(); p != in.end(); ++p)
-    trace(label) << *p;
-}
-
-bool check_trace_contents(string FUNCTION, string FILE, int LINE, string expected) {  // missing layer == anywhere, frame, hierarchical layers
-  vector<string> expected_lines = split(expected, "");
-  size_t curr_expected_line = 0;
-  while (curr_expected_line < expected_lines.size() && expected_lines[curr_expected_line].empty())
-    ++curr_expected_line;
-  if (curr_expected_line == expected_lines.size()) return true;
-  Trace_stream->newline();
-  ostringstream output;
-  string layer, frame, contents;
-  parse_layer_frame_contents(expected_lines[curr_expected_line], &layer, &frame, &contents);
-  for (vector<pair<string, pair<int, string> > >::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
-    if (!layer.empty() && !prefix_match(layer, p->first))
-      continue;
-
-    if (!frame.empty() && strtol(frame.c_str(), NULL, 0) != p->second.first)
-      continue;
-
-    if (contents != p->second.second)
-      continue;
-
-    ++curr_expected_line;
-    while (curr_expected_line < expected_lines.size() && expected_lines[curr_expected_line].empty())
-      ++curr_expected_line;
-    if (curr_expected_line == expected_lines.size()) return true;
-    parse_layer_frame_contents(expected_lines[curr_expected_line], &layer, &frame, &contents);
-  }
-
-  ++Num_failures;
-  cerr << "\nF " << FUNCTION << "(" << FILE << ":" << LINE << "): missing [" << contents << "] in trace:\n";
-  DUMP(layer);
-  Passed = false;
-  return false;
-}
-
-void parse_layer_frame_contents(const string& orig, string* layer, string* frame, string* contents) {
-  string layer_and_frame;
-  parse_contents(orig, ": ", &layer_and_frame, contents);
-  parse_layer_and_frame(layer_and_frame, layer, frame);
-}
-
-void parse_contents(const string& s, const string& delim, string* prefix, string* contents) {
-  string::size_type pos = s.find(delim);
-  if (pos == NOT_FOUND) {
-    *prefix = "";
-    *contents = s;
-  }
-  else {
-    *prefix = s.substr(0, pos);
-    *contents = s.substr(pos+delim.size());
-  }
-}
-
-void parse_layer_and_frame(const string& orig, string* layer, string* frame) {
-  size_t last_slash = orig.rfind('/');
-  if (last_slash == NOT_FOUND
-      || last_slash == orig.size()-1  // trailing slash indicates hierarchical layer
-      || orig.find_last_not_of("0123456789") != last_slash) {
-    *layer = orig;
-    *frame = "";
-  }
-  else {
-    *layer = orig.substr(0, last_slash);
-    *frame = orig.substr(last_slash+1);
-  }
-}
-
-
-
-bool check_trace_contents(string FUNCTION, string FILE, int LINE, string layer, string expected) {  // empty layer == everything, multiple layers, hierarchical layers
-  vector<string> expected_lines = split(expected, "");
-  size_t curr_expected_line = 0;
-  while (curr_expected_line < expected_lines.size() && expected_lines[curr_expected_line].empty())
-    ++curr_expected_line;
-  if (curr_expected_line == expected_lines.size()) return true;
-  Trace_stream->newline();
-  ostringstream output;
-  vector<string> layers = split(layer, ",");
-  for (vector<pair<string, pair<int, string> > >::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
-    if (!layer.empty() && !any_prefix_match(layers, p->first))
-      continue;
-    if (p->second.second != expected_lines[curr_expected_line])
-      continue;
-    ++curr_expected_line;
-    while (curr_expected_line < expected_lines.size() && expected_lines[curr_expected_line].empty())
-      ++curr_expected_line;
-    if (curr_expected_line == expected_lines.size()) return true;
-  }
-
-  ++Num_failures;
-  cerr << "\nF " << FUNCTION << "(" << FILE << ":" << LINE << "): missing [" << expected_lines[curr_expected_line] << "] in trace:\n";
-  DUMP(layer);
-  Passed = false;
-  return false;
-}
-
-#define CHECK_TRACE_CONTENTS(...)  check_trace_contents(__FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
-
-int trace_count(string layer) {
-  return trace_count(layer, "");
-}
-
-int trace_count(string layer, string line) {
-  Trace_stream->newline();
-  long result = 0;
-  vector<string> layers = split(layer, ",");
-  for (vector<pair<string, pair<int, string> > >::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
-    if (any_prefix_match(layers, p->first))
-      if (line == "" || p->second.second == line)
-        ++result;
-  }
-  return result;
-}
-
-int trace_count(string layer, int frame, string line) {
-  Trace_stream->newline();
-  long result = 0;
-  vector<string> layers = split(layer, ",");
-  for (vector<pair<string, pair<int, string> > >::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
-    if (any_prefix_match(layers, p->first) && p->second.first == frame)
-      if (line == "" || p->second.second == line)
-        ++result;
-  }
-  return result;
-}
-
-#define CHECK_TRACE_WARNS()  CHECK(trace_count("warn") > 0)
-#define CHECK_TRACE_DOESNT_WARN() \
-  if (trace_count("warn") > 0) { \
-    ++Num_failures; \
-    cerr << "\nF " << __FUNCTION__ << "(" << __FILE__ << ":" << __LINE__ << "): unexpected warnings\n"; \
-    DUMP("warn"); \
-    Passed = false; \
-    return; \
-  }
-
-bool trace_doesnt_contain(string layer, string line) {
-  return trace_count(layer, line) == 0;
-}
-
-bool trace_doesnt_contain(string expected) {
-  vector<string> tmp = split(expected, ": ");
-  return trace_doesnt_contain(tmp[0], tmp[1]);
-}
-
-bool trace_doesnt_contain(string layer, int frame, string line) {
-  return trace_count(layer, frame, line) == 0;
-}
-
-#define CHECK_TRACE_DOESNT_CONTAIN(...)  CHECK(trace_doesnt_contain(__VA_ARGS__))
-
-
-
-// manage layer counts in Trace_stream using RAII
-struct lease_trace_frame {
-  string layer;
-  lease_trace_frame(string l) :layer(l) {
-    if (!Trace_stream) return;
-    Trace_stream->newline();
-    ++Trace_stream->frame[layer];
-  }
-  ~lease_trace_frame() {
-    if (!Trace_stream) return;
-    Trace_stream->newline();
-    --Trace_stream->frame[layer];
-  }
-};
-#define new_trace_frame(layer)  lease_trace_frame leased_frame(layer);
-
-bool check_trace_contents(string FUNCTION, string FILE, int LINE, string layer, int frame, string expected) {  // multiple layers, hierarchical layers
-  vector<string> expected_lines = split(expected, "");  // hack: doesn't handle newlines in embedded in lines
-  size_t curr_expected_line = 0;
-  while (curr_expected_line < expected_lines.size() && expected_lines[curr_expected_line].empty())
-    ++curr_expected_line;
-  if (curr_expected_line == expected_lines.size()) return true;
-  Trace_stream->newline();
-  ostringstream output;
-  vector<string> layers = split(layer, ",");
-  for (vector<pair<string, pair<int, string> > >::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
-    if (!layer.empty() && !any_prefix_match(layers, p->first))
-      continue;
-    if (p->second.first != frame)
-      continue;
-    if (p->second.second != expected_lines[curr_expected_line])
-      continue;
-    ++curr_expected_line;
-    while (curr_expected_line < expected_lines.size() && expected_lines[curr_expected_line].empty())
-      ++curr_expected_line;
-    if (curr_expected_line == expected_lines.size()) return true;
-  }
-
-  ++Num_failures;
-  cerr << "\nF " << FUNCTION << "(" << FILE << ":" << LINE << "): missing [" << expected_lines[curr_expected_line] << "] in trace/" << frame << ":\n";
-  DUMP(layer);
-  Passed = false;
-  return false;
-}
-
-#define CHECK_TRACE_TOP(layer, expected)  CHECK_TRACE_CONTENTS(layer, 1, expected)
-
-
-
-vector<string> split(string s, string delim) {
-  vector<string> result;
-  string::size_type begin=0, end=s.find(delim);
-  while (true) {
-    if (end == NOT_FOUND) {
-      result.push_back(string(s, begin, NOT_FOUND));
-      break;
-    }
-    result.push_back(string(s, begin, end-begin));
-    begin = end+delim.size();
-    end = s.find(delim, begin);
-  }
-  return result;
-}
-
-bool any_prefix_match(const vector<string>& pats, const string& needle) {
-  if (pats.empty()) return false;
-  if (*pats[0].rbegin() != '/')
-    // prefix match not requested
-    return find(pats.begin(), pats.end(), needle) != pats.end();
-  // first pat ends in a '/'; assume all pats do.
-  for (vector<string>::const_iterator p = pats.begin(); p != pats.end(); ++p)
-    if (headmatch(needle, *p)) return true;
-  return false;
-}
-
-bool prefix_match(const string& pat, const string& needle) {
-  if (*pat.rbegin() != '/')
-    // prefix match not requested
-    return pat == needle;
-  return headmatch(needle, pat);
-}
-
-bool headmatch(const string& s, const string& pat) {
-  if (pat.size() > s.size()) return false;
-  return std::mismatch(pat.begin(), pat.end(), s.begin()).first == pat.end();
-}
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