mirror of https://github.com/YosysHQ/yosys.git
Added -widthlabels options to chow command
This commit is contained in:
Clifford Wolf
parent
05ae20f260
commit
f921b06fb0
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@ -36,13 +36,14 @@ struct ShowWorker
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std::map<RTLIL::IdString, int> autonames;
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int single_idx_count;
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struct net_conn { std::set<std::string> in, out; };
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struct net_conn { std::set<std::string> in, out; int bits; };
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std::map<std::string, net_conn> net_conn_map;
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FILE *f;
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RTLIL::Design *design;
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RTLIL::Module *module;
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uint32_t currentColor;
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bool genWidthLabels;
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int page_counter;
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uint32_t xorshift32(uint32_t x) {
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@ -58,7 +59,16 @@ struct ShowWorker
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return "color=\"black\"";
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currentColor = xorshift32(currentColor);
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return stringf("colorscheme=\"dark28\", color=\"%d\"", currentColor%8+1);
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return stringf("colorscheme=\"dark28\", color=\"%d\", fontcolor=\"%d\"", currentColor%8+1);
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}
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std::string widthLabel(int bits)
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{
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if (bits <= 1)
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return "label=\"\"";
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if (!genWidthLabels)
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return "style=\"setlinewidth(3)\", label=\"\"";
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return stringf("style=\"setlinewidth(3)\", label=\"<%d>\"", bits);
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}
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const char *escape(std::string id, bool is_name = false)
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@ -135,9 +145,11 @@ struct ShowWorker
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if (driver) {
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label_string += stringf("<s%d> %d:%d - %d:%d |", i, pos, pos-c.width+1, c.offset+c.width-1, c.offset);
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net_conn_map[net].in.insert(stringf("x%d:s%d", idx, i));
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net_conn_map[net].bits = c.width;
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} else {
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label_string += stringf("<s%d> %d:%d - %d:%d |", i, c.offset+c.width-1, c.offset, pos, pos-c.width+1);
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net_conn_map[net].out.insert(stringf("x%d:s%d", idx, i));
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net_conn_map[net].bits = c.width;
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}
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pos -= c.width;
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}
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@ -146,9 +158,9 @@ struct ShowWorker
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code += stringf("x%d [ shape=record, style=rounded, label=\"%s\" ];\n", idx, label_string.c_str());
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if (!port.empty()) {
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if (driver)
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code += stringf("%s:e -> x%d:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s];\n", port.c_str(), idx, nextColor().c_str());
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code += stringf("%s:e -> x%d:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s, %s];\n", port.c_str(), idx, nextColor().c_str(), widthLabel(sig.width).c_str());
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else
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code += stringf("x%d:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s];\n", idx, port.c_str(), nextColor().c_str());
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code += stringf("x%d:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s, %s];\n", idx, port.c_str(), nextColor().c_str(), widthLabel(sig.width).c_str());
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}
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if (node != NULL)
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*node = stringf("x%d", idx);
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@ -160,6 +172,7 @@ struct ShowWorker
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net_conn_map[net].in.insert(port);
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else
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net_conn_map[net].out.insert(port);
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net_conn_map[net].bits = sig.width;
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}
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if (node != NULL)
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*node = net;
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@ -260,16 +273,20 @@ struct ShowWorker
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code += gen_portbox("", conn.first, true, &right_node);
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fprintf(f, "%s", code.c_str());
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if (left_node[0] == 'x' && right_node[0] == 'x')
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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());
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else if (left_node[0] == 'x')
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net_conn_map[right_node].in.insert(left_node);
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else if (right_node[0] == 'x')
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net_conn_map[left_node].out.insert(right_node);
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else {
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net_conn_map[right_node].in.insert(stringf("x%d:e", single_idx_count));
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net_conn_map[left_node].out.insert(stringf("x%d:w", single_idx_count));
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fprintf(f, "x%d [shape=box, style=rounded, label=\"BUF\"];\n", single_idx_count++);
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if (left_node[0] == 'x' && right_node[0] == 'x') {
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fprintf(f, "%s:e -> %s:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, %s, %s];\n", left_node.c_str(), right_node.c_str(), nextColor().c_str(), widthLabel(conn.first.width).c_str());
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} else {
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net_conn_map[right_node].bits = conn.first.width;
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net_conn_map[left_node].bits = conn.first.width;
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if (left_node[0] == 'x') {
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net_conn_map[right_node].in.insert(left_node);
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} else if (right_node[0] == 'x') {
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net_conn_map[left_node].out.insert(right_node);
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} else {
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net_conn_map[right_node].in.insert(stringf("x%d:e", single_idx_count));
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net_conn_map[left_node].out.insert(stringf("x%d:w", single_idx_count));
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fprintf(f, "x%d [shape=box, style=rounded, label=\"BUF\"];\n", single_idx_count++);
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}
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}
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}
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@ -277,7 +294,7 @@ struct ShowWorker
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{
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if (wires_on_demand.count(it.first) > 0) {
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if (it.second.in.size() == 1 && it.second.out.size() == 1) {
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fprintf(f, "%s:e -> %s:w [%s];\n", it.second.in.begin()->c_str(), it.second.out.begin()->c_str(), nextColor().c_str());
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fprintf(f, "%s:e -> %s:w [%s, %s];\n", it.second.in.begin()->c_str(), it.second.out.begin()->c_str(), nextColor().c_str(), widthLabel(it.second.bits).c_str());
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continue;
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}
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if (it.second.in.size() == 0 || it.second.out.size() == 0)
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@ -286,15 +303,15 @@ struct ShowWorker
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fprintf(f, "%s [ shape=point ];\n", it.first.c_str());
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}
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for (auto &it2 : it.second.in)
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fprintf(f, "%s:e -> %s:w [%s];\n", it2.c_str(), it.first.c_str(), nextColor().c_str());
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fprintf(f, "%s:e -> %s:w [%s, %s];\n", it2.c_str(), it.first.c_str(), nextColor().c_str(), widthLabel(it.second.bits).c_str());
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for (auto &it2 : it.second.out)
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fprintf(f, "%s:e -> %s:w [%s];\n", it.first.c_str(), it2.c_str(), nextColor().c_str());
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fprintf(f, "%s:e -> %s:w [%s, %s];\n", it.first.c_str(), it2.c_str(), nextColor().c_str(), widthLabel(it.second.bits).c_str());
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}
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fprintf(f, "};\n");
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}
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ShowWorker(FILE *f, RTLIL::Design *design, std::vector<RTLIL::Design*> &libs, uint32_t colorSeed) : f(f), design(design), currentColor(colorSeed)
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ShowWorker(FILE *f, RTLIL::Design *design, std::vector<RTLIL::Design*> &libs, uint32_t colorSeed, bool genWidthLabels) : f(f), design(design), currentColor(colorSeed), genWidthLabels(genWidthLabels)
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{
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ct.setup_internals();
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ct.setup_internals_mem();
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@ -333,17 +350,23 @@ struct ShowPass : public Pass {
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log("to a postscript file.\n");
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log("\n");
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log(" -viewer <command>\n");
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log(" Also run the specified command with the postscript file as parameter.\n");
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log(" Also run the specified command with the postscript file as parameter.\n");
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log("\n");
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log(" -lib <verilog_or_ilang_file>\n");
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log(" Use the specified library file for determining whether cell ports are\n");
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log(" inputs or outputs. This option can be used multiple times to specify\n");
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log(" more than one library.\n");
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log(" Use the specified library file for determining whether cell ports are\n");
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log(" inputs or outputs. This option can be used multiple times to specify\n");
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log(" more than one library.\n");
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log("\n");
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log(" -prefix <prefix>\n");
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log(" generate <prefix>.dot and <prefix>.ps instead of yosys-show.{dot,ps}\n");
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log("\n");
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log(" -colors <seed>\n");
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log(" Randomly assign colors to the wires. The integer argument is the seed\n");
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log(" for the random number generator. Change the seed value if the colored\n");
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log(" graph still is ambigous. A seed of zero deactivates the coloring.\n");
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log(" Randomly assign colors to the wires. The integer argument is the seed\n");
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log(" for the random number generator. Change the seed value if the colored\n");
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log(" graph still is ambigous. A seed of zero deactivates the coloring.\n");
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log("\n");
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log(" -widthlabels\n");
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log(" annotate busses with a label indicating the width of the bus.\n");
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log("\n");
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log("The generated output files are `yosys-show.dot' and `yosys-show.ps'.\n");
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log("\n");
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@ -354,9 +377,11 @@ struct ShowPass : public Pass {
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log_push();
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std::string viewer_exe;
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std::string prefix = "yosys-show";
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std::vector<std::string> libfiles;
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std::vector<RTLIL::Design*> libs;
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uint32_t colorSeed = 0;
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bool flag_widthlabels = false;
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size_t argidx;
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for (argidx = 1; argidx < args.size(); argidx++)
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@ -370,10 +395,18 @@ struct ShowPass : public Pass {
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libfiles.push_back(args[++argidx]);
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continue;
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}
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if (arg == "-prefix" && argidx+1 < args.size()) {
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prefix = args[++argidx];
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continue;
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}
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if (arg == "-colors" && argidx+1 < args.size()) {
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colorSeed = atoi(args[++argidx].c_str());
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continue;
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}
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if (arg == "-widthlabels") {
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flag_widthlabels = true;
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continue;
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}
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break;
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}
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extra_args(args, argidx, design);
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@ -391,23 +424,26 @@ struct ShowPass : public Pass {
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if (libs.size() > 0)
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log_header("Continuing show pass.\n");
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log("Writing dot description to `yosys-show.dot'.\n");
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FILE *f = fopen("yosys-show.dot", "w");
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std::string dot_file = stringf("%s.dot", prefix.c_str());
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std::string ps_file = stringf("%s.ps", prefix.c_str());
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log("Writing dot description to `%s'.\n", dot_file.c_str());
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FILE *f = fopen(dot_file.c_str(), "w");
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if (f == NULL)
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log_cmd_error("Can't open dot file `yosys-show.dot' for writing.\n");
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ShowWorker worker(f, design, libs, colorSeed);
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log_cmd_error("Can't open dot file `%s' for writing.\n", dot_file.c_str());
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ShowWorker worker(f, design, libs, colorSeed, flag_widthlabels);
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fclose(f);
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if (worker.page_counter == 0)
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log_cmd_error("Nothing there to show.\n");
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std::string cmd = stringf("dot -Tps -o yosys-show.ps yosys-show.dot");
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std::string cmd = stringf("dot -Tps -o '%s' '%s'", ps_file.c_str(), dot_file.c_str());
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log("Exec: %s\n", cmd.c_str());
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if (system(cmd.c_str()) != 0)
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log_cmd_error("Shell command failed!\n");
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if (!viewer_exe.empty()) {
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cmd = stringf("%s yosys-show.ps &", viewer_exe.c_str());
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cmd = stringf("%s '%s' &", viewer_exe.c_str(), dot_file.c_str());
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log("Exec: %s\n", cmd.c_str());
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if (system(cmd.c_str()) != 0)
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log_cmd_error("Shell command failed!\n");
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