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Added -colors option to show command

This commit is contained in:
Clifford Wolf 2013-03-24 10:41:24 +01:00
parent c3c9e5a02f
commit 55c50dc499
1 changed files with 35 additions and 8 deletions
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43
kernel/show.cc
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@ -42,8 +42,25 @@ struct ShowWorker
FILE *f;
RTLIL::Design *design;
RTLIL::Module *module;
uint32_t currentColor;
int page_counter;
uint32_t xorshift32(uint32_t x) {
x ^= x << 13;
x ^= x >> 17;
x ^= x << 5;
return x;
}
std::string nextColor()
{
if (currentColor == 0)
return "color=\"black\"";
currentColor = xorshift32(currentColor);
return stringf("colorscheme=\"dark28\", color=\"%d\"", currentColor%8+1);
}
const char *escape(std::string id, bool is_name = false)
{
if (id.size() == 0)
@ -129,9 +146,9 @@ struct ShowWorker
code += stringf("x%d [ shape=record, style=rounded, label=\"%s\" ];\n", idx, label_string.c_str());
if (!port.empty()) {
if (driver)
code += stringf("%s:e -> x%d:w [arrowhead=odiamond, arrowtail=odiamond, dir=both];\n", port.c_str(), idx);
code += stringf("%s:e -> x%d:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s];\n", port.c_str(), idx, nextColor().c_str());
else
code += stringf("x%d:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both];\n", idx, port.c_str());
code += stringf("x%d:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s];\n", idx, port.c_str(), nextColor().c_str());
}
if (node != NULL)
*node = stringf("x%d", idx);
@ -244,7 +261,7 @@ struct ShowWorker
fprintf(f, "%s", code.c_str());
if (left_node[0] == 'x' && right_node[0] == 'x')
fprintf(f, "%s:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both];\n", left_node.c_str(), right_node.c_str());
fprintf(f, "%s:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s];\n", left_node.c_str(), right_node.c_str(), nextColor().c_str());
else if (left_node[0] == 'x')
net_conn_map[right_node].in.insert(left_node);
else if (right_node[0] == 'x')
@ -260,7 +277,7 @@ struct ShowWorker
{
if (wires_on_demand.count(it.first) > 0) {
if (it.second.in.size() == 1 && it.second.out.size() == 1) {
fprintf(f, "%s:e -> %s:w;\n", it.second.in.begin()->c_str(), it.second.out.begin()->c_str());
fprintf(f, "%s:e -> %s:w [%s];\n", it.second.in.begin()->c_str(), it.second.out.begin()->c_str(), nextColor().c_str());
continue;
}
if (it.second.in.size() == 0 || it.second.out.size() == 0)
@ -269,15 +286,15 @@ struct ShowWorker
fprintf(f, "%s [ shape=point ];\n", it.first.c_str());
}
for (auto &it2 : it.second.in)
fprintf(f, "%s:e -> %s:w;\n", it2.c_str(), it.first.c_str());
fprintf(f, "%s:e -> %s:w [%s];\n", it2.c_str(), it.first.c_str(), nextColor().c_str());
for (auto &it2 : it.second.out)
fprintf(f, "%s:e -> %s:w;\n", it.first.c_str(), it2.c_str());
fprintf(f, "%s:e -> %s:w [%s];\n", it.first.c_str(), it2.c_str(), nextColor().c_str());
}
fprintf(f, "};\n");
}
ShowWorker(FILE *f, RTLIL::Design *design, std::vector<RTLIL::Design*> &libs) : f(f), design(design)
ShowWorker(FILE *f, RTLIL::Design *design, std::vector<RTLIL::Design*> &libs, uint32_t colorSeed) : f(f), design(design), currentColor(colorSeed)
{
ct.setup_internals();
ct.setup_internals_mem();
@ -323,6 +340,11 @@ struct ShowPass : public Pass {
log(" inputs or outputs. This option can be used multiple times to specify\n");
log(" more than one library.\n");
log("\n");
log(" -colors <seed>\n");
log(" Randomly assign colors to the wires. The integer argument is the seed\n");
log(" for the random number generator. Change the seed value if the colored\n");
log(" graph still is ambigous. A seed of zero deactivates the coloring.\n");
log("\n");
log("The generated output files are `yosys-show.dot' and `yosys-show.ps'.\n");
log("\n");
}
@ -334,6 +356,7 @@ struct ShowPass : public Pass {
std::string viewer_exe;
std::vector<std::string> libfiles;
std::vector<RTLIL::Design*> libs;
uint32_t colorSeed = 0;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
@ -347,6 +370,10 @@ struct ShowPass : public Pass {
libfiles.push_back(args[++argidx]);
continue;
}
if (arg == "-colors" && argidx+1 < args.size()) {
colorSeed = atoi(args[++argidx].c_str());
continue;
}
break;
}
extra_args(args, argidx, design);
@ -368,7 +395,7 @@ struct ShowPass : public Pass {
FILE *f = fopen("yosys-show.dot", "w");
if (f == NULL)
log_cmd_error("Can't open dot file `yosys-show.dot' for writing.\n");
ShowWorker worker(f, design, libs);
ShowWorker worker(f, design, libs, colorSeed);
fclose(f);
if (worker.page_counter == 0)