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https://github.com/YosysHQ/yosys
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initial import
This commit is contained in:
Clifford Wolf
commit
7764d0ba1d
481 changed files with 54634 additions and 0 deletions
288
kernel/register.cc
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288
kernel/register.cc
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/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "register.h"
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#include "log.h"
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#include <assert.h>
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#include <string.h>
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using namespace REGISTER_INTERN;
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namespace REGISTER_INTERN {
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std::map<std::string, Frontend*> frontend_register;
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std::map<std::string, Pass*> pass_register;
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std::map<std::string, Backend*> backend_register;
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}
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std::vector<std::string> Frontend::next_args;
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Pass::Pass(std::string name) : pass_name(name)
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{
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assert(pass_register.count(name) == 0);
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pass_register[name] = this;
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}
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Pass::~Pass()
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{
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pass_register.erase(pass_name);
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}
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void Pass::help()
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{
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log("No help message for this command.\n");
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}
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void Pass::cmd_log_args(const std::vector<std::string> &args)
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{
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if (args.size() <= 1)
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return;
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log("Full command line:");
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for (size_t i = 0; i < args.size(); i++)
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log(" %s", args[i].c_str());
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log("\n");
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}
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void Pass::cmd_error(const std::vector<std::string> &args, size_t argidx, std::string msg)
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{
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std::string command_text;
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int error_pos = 0;
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for (size_t i = 0; i < args.size(); i++) {
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if (i < argidx)
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error_pos += args[i].size() + 1;
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command_text = command_text + (command_text.empty() ? "" : " ") + args[i];
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}
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log("\nSyntax error in command `%s':\n", command_text.c_str());
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help();
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log_cmd_error("Command syntax error: %s\n> %s\n> %*s^\n",
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msg.c_str(), command_text.c_str(), error_pos, "");
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}
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void Pass::extra_args(std::vector<std::string> args, size_t argidx, RTLIL::Design *)
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{
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for (; argidx < args.size(); argidx++)
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{
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std::string arg = args[argidx];
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if (arg.substr(0, 1) == "-")
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cmd_error(args, argidx, "Unkown option or option in arguments.");
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cmd_error(args, argidx, "Extra argument.");
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}
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cmd_log_args(args);
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}
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void Pass::call(RTLIL::Design *design, std::string command)
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{
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std::vector<std::string> args;
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char *s = strdup(command.c_str());
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for (char *p = strtok(s, " \t\r\n"); p; p = strtok(NULL, " \t\r\n"))
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args.push_back(p);
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free(s);
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call(design, args);
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}
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void Pass::call(RTLIL::Design *design, std::vector<std::string> args)
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{
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if (args.size() == 0 || args[0][0] == '#')
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return;
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if (pass_register.count(args[0]) == 0)
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log_cmd_error("No such command: %s\n", args[0].c_str());
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size_t orig_sel_stack_pos = design->selection_stack.size();
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pass_register[args[0]]->execute(args, design);
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while (design->selection_stack.size() > orig_sel_stack_pos)
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design->selection_stack.pop_back();
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}
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Frontend::Frontend(std::string name) : Pass("read_"+name), frontend_name(name)
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{
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assert(frontend_register.count(name) == 0);
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frontend_register[name] = this;
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}
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Frontend::~Frontend()
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{
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frontend_register.erase(frontend_name);
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}
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void Frontend::execute(std::vector<std::string> args, RTLIL::Design *design)
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{
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assert(next_args.empty());
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do {
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FILE *f = NULL;
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next_args.clear();
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execute(f, std::string(), args, design);
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args = next_args;
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fclose(f);
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} while (!args.empty());
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}
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void Frontend::extra_args(FILE *&f, std::string &filename, std::vector<std::string> args, size_t argidx)
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{
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bool called_with_fp = f != NULL;
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next_args.clear();
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for (; argidx < args.size(); argidx++)
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{
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std::string arg = args[argidx];
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if (arg.substr(0, 1) == "-")
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cmd_error(args, argidx, "Unkown option or option in arguments.");
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if (f != NULL)
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cmd_error(args, argidx, "Extra filename argument in direct file mode.");
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filename = arg;
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f = fopen(filename.c_str(), "r");
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if (f == NULL)
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log_cmd_error("Can't open input file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
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if (argidx+1 < args.size()) {
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next_args.insert(next_args.begin(), args.begin(), args.begin()+argidx);
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next_args.insert(next_args.begin()+argidx, args.begin()+argidx+1, args.end());
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args.erase(args.begin()+argidx+1, args.end());
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}
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break;
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}
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if (f == NULL)
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cmd_error(args, argidx, "No filename given.");
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if (called_with_fp)
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args.push_back(filename);
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args[0] = pass_name;
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cmd_log_args(args);
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}
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void Frontend::frontend_call(RTLIL::Design *design, FILE *f, std::string filename, std::string command)
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{
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std::vector<std::string> args;
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char *s = strdup(command.c_str());
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for (char *p = strtok(s, " \t\r\n"); p; p = strtok(NULL, " \t\r\n"))
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args.push_back(p);
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free(s);
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frontend_call(design, f, filename, args);
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}
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void Frontend::frontend_call(RTLIL::Design *design, FILE *f, std::string filename, std::vector<std::string> args)
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{
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if (args.size() == 0)
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return;
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if (frontend_register.count(args[0]) == 0)
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log_cmd_error("No such frontend: %s\n", args[0].c_str());
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if (f != NULL) {
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frontend_register[args[0]]->execute(f, filename, args, design);
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} else if (filename == "-") {
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frontend_register[args[0]]->execute(stdin, "<stdin>", args, design);
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} else {
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if (!filename.empty())
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args.push_back(filename);
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frontend_register[args[0]]->execute(args, design);
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}
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}
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Backend::Backend(std::string name) : Pass("write_"+name), backend_name(name)
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{
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assert(backend_register.count(name) == 0);
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backend_register[name] = this;
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}
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Backend::~Backend()
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{
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backend_register.erase(backend_name);
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}
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void Backend::execute(std::vector<std::string> args, RTLIL::Design *design)
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{
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FILE *f = NULL;
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execute(f, std::string(), args, design);
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if (f != stdout)
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fclose(f);
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}
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void Backend::extra_args(FILE *&f, std::string &filename, std::vector<std::string> args, size_t argidx)
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{
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bool called_with_fp = f != NULL;
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for (; argidx < args.size(); argidx++)
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{
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std::string arg = args[argidx];
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if (arg.substr(0, 1) == "-" && arg != "-")
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cmd_error(args, argidx, "Unkown option or option in arguments.");
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if (f != NULL)
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cmd_error(args, argidx, "Extra filename argument in direct file mode.");
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if (arg == "-") {
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filename = "<stdout>";
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f = stdout;
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continue;
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}
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filename = arg;
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f = fopen(filename.c_str(), "w");
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if (f == NULL)
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log_cmd_error("Can't open output file `%s' for writing: %s\n", filename.c_str(), strerror(errno));
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}
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if (called_with_fp)
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args.push_back(filename);
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args[0] = pass_name;
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cmd_log_args(args);
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if (f == NULL) {
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filename = "<stdout>";
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f = stdout;
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}
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}
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void Backend::backend_call(RTLIL::Design *design, FILE *f, std::string filename, std::string command)
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{
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std::vector<std::string> args;
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char *s = strdup(command.c_str());
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for (char *p = strtok(s, " \t\r\n"); p; p = strtok(NULL, " \t\r\n"))
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args.push_back(p);
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free(s);
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backend_call(design, f, filename, args);
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}
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void Backend::backend_call(RTLIL::Design *design, FILE *f, std::string filename, std::vector<std::string> args)
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{
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if (args.size() == 0)
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return;
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if (backend_register.count(args[0]) == 0)
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log_cmd_error("No such backend: %s\n", args[0].c_str());
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size_t orig_sel_stack_pos = design->selection_stack.size();
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if (f != NULL) {
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backend_register[args[0]]->execute(f, filename, args, design);
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} else if (filename == "-") {
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backend_register[args[0]]->execute(stdout, "<stdout>", args, design);
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} else {
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if (!filename.empty())
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args.push_back(filename);
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backend_register[args[0]]->execute(args, design);
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}
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while (design->selection_stack.size() > orig_sel_stack_pos)
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design->selection_stack.pop_back();
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}
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