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show: Add -nobg argument. 

Makes yosys wait for the viewer command to finish before continuing.
This commit is contained in:
Tim 'mithro' Ansell 2018-07-06 17:04:16 -07:00 committed by Marcelina Kościelnicka
parent 2baa6d799e
commit b9dfdbbfee
1 changed files with 13 additions and 6 deletions
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19
passes/cmds/show.cc
View File

@ -668,6 +668,10 @@ struct ShowPass : public Pass {
log(" -notitle\n");
log(" do not add the module name as graph title to the dot file\n");
log("\n");
log(" -nobg\n");
log(" don't run viewer in the background, IE wait for the viewer tool to\n");
log(" exit before returning\n");
log("\n");
log("When no <format> is specified, 'dot' is used. When no <format> and <viewer> is\n");
log("specified, 'xdot' is used to display the schematic (POSIX systems only).\n");
log("\n");
@ -706,6 +710,7 @@ struct ShowPass : public Pass {
bool flag_abbreviate = true;
bool flag_notitle = false;
bool custom_prefix = false;
std::string background = "&";
RTLIL::IdString colorattr;
size_t argidx;
@ -787,6 +792,10 @@ struct ShowPass : public Pass {
flag_notitle = true;
continue;
}
if (arg == "-nobg") {
background= "";
continue;
}
break;
}
extra_args(args, argidx, design);
@ -859,21 +868,19 @@ struct ShowPass : public Pass {
// system()/cmd.exe does not understand single quotes nor
// background tasks on Windows. So we have to pause yosys
// until the viewer exits.
#define VIEW_CMD "%s \"%s\""
std::string cmd = stringf("%s \"%s\"", viewer_exe.c_str(), out_file.c_str());
#else
#define VIEW_CMD "%s '%s' &"
std::string cmd = stringf("%s '%s' %s", viewer_exe.c_str(), out_file.c_str(), background.c_str());
#endif
std::string cmd = stringf(VIEW_CMD, viewer_exe.c_str(), out_file.c_str());
#undef VIEW_CMD
log("Exec: %s\n", cmd.c_str());
if (run_command(cmd) != 0)
log_cmd_error("Shell command failed!\n");
} else
if (format.empty()) {
#ifdef __APPLE__
std::string cmd = stringf("ps -fu %d | grep -q '[ ]%s' || xdot '%s' &", getuid(), dot_file.c_str(), dot_file.c_str());
std::string cmd = stringf("ps -fu %d | grep -q '[ ]%s' || xdot '%s' %s", getuid(), dot_file.c_str(), dot_file.c_str(), background.c_str());
#else
std::string cmd = stringf("{ test -f '%s.pid' && fuser -s '%s.pid' 2> /dev/null; } || ( echo $$ >&3; exec xdot '%s'; ) 3> '%s.pid' &", dot_file.c_str(), dot_file.c_str(), dot_file.c_str(), dot_file.c_str());
std::string cmd = stringf("{ test -f '%s.pid' && fuser -s '%s.pid' 2> /dev/null; } || ( echo $$ >&3; exec xdot '%s'; ) 3> '%s.pid' %s", dot_file.c_str(), dot_file.c_str(), dot_file.c_str(), dot_file.c_str(), background.c_str());
#endif
log("Exec: %s\n", cmd.c_str());
if (run_command(cmd) != 0)