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feat(library/blast/trace): do not show common prefix between states when tracing

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This commit is contained in:
Leonardo de Moura 2015-12-09 07:55:12 -08:00
parent c1a4e0ee4f
commit e9d6326b88
2 changed files with 30 additions and 2 deletions
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1
src/library/blast/state.cpp
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@ -291,7 +291,6 @@ void state::display_active(std::ostream & out) const {
void state::display(io_state_stream const & ios) const {
ios << mk_pair(to_goal().pp(ios.get_formatter()), ios.get_options()) << "\n";
display_active(ios.get_stream());
}
void state::display(environment const & env, io_state const & ios) const {

31
src/library/blast/trace.cpp
View file

@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include <vector>
#include "library/trace.h"
#include "library/io_state_stream.h"
#include "library/blast/blast.h"
@ -23,8 +24,36 @@ void trace_target() {
}
}
MK_THREAD_LOCAL_GET_DEF(std::string, get_state_str);
void trace_curr_state() {
lean_trace(name({"blast", "state"}), tout() << "\n"; curr_state().display(tout()););
if (lean_is_trace_enabled(name({"blast", "state"}))) {
std::shared_ptr<output_channel> out(new string_output_channel());
io_state tmp(ios(), out, out);
io_state_stream strm(env(), tmp);
curr_state().display(strm);
std::string new_str = static_cast<string_output_channel*>(out.get())->str();
if (get_state_str() == new_str)
return;
unsigned i = 0;
unsigned sz1 = get_state_str().size();
unsigned sz2 = new_str.size();
while (i < sz1 && i < sz2 && get_state_str()[i] == new_str[i]) {
i++;
}
if (i == 0) {
lean_trace(name({"blast", "state"}), tout() << "\n" << new_str;);
} else {
// consume trailing ,
if (i + 1 < sz2 && new_str[i] == ',' && new_str[i+1] == '\n')
i += 2;
// move to beginning of the line
while (i > 0 && new_str[i-1] != '\n')
i--;
lean_trace(name({"blast", "state"}), tout() << "\n...\n" << new_str.substr(i););
}
get_state_str() = new_str;
}
}
void trace_search(char const * msg) {