68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
#include <fmt/core.h>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <cstring>
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#include <cstdlib>
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#include <cctype>
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#include <cassert>
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#include <map>
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static void usage(int rc)
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{
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fprintf(stderr, "usage: ./mkdefs_insn <insn listing...>\n");
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exit(rc);
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}
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std::string encodeMnemonic(std::string mnemonic)
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{
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for(size_t i = 0; i < mnemonic.size(); i++) {
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if(!isalnum(mnemonic[i]))
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mnemonic[i] = '_';
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}
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return mnemonic;
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}
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static void parseTable(
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char const *file, std::map<std::string, std::string> &allMnemonics)
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{
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std::ifstream fin {file};
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std::string line, pattern, mnemonic;
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while(std::getline(fin, line)) {
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if(line.size() == 0 || !strchr("01nmdi", line[0]))
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continue;
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std::istringstream stream {line};
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stream >> pattern >> mnemonic;
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if(mnemonic.ends_with(".b") || mnemonic.ends_with(".w") ||
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mnemonic.ends_with(".l"))
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mnemonic = mnemonic.substr(0, mnemonic.size() - 2);
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std::string enc = encodeMnemonic(mnemonic);
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assert(!allMnemonics.count(enc) || allMnemonics.at(enc) == mnemonic);
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allMnemonics.insert({ enc, mnemonic });
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}
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}
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int main(int argc, char **argv)
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{
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for(int i = 1; i < argc; i++) {
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if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))
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usage(0);
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}
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if(argc <= 1)
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usage(1);
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std::map<std::string, std::string> allMnemonics;
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for(int i = 1; i < argc; i++)
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parseTable(argv[i], allMnemonics);
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for(auto const &[e,m]: allMnemonics)
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fmt::print("GENDEFS_INSN({}, \"{}\")\n", e, m);
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return 0;
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}
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