56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/*
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normalize prefix
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*/
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#include <string>
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#include <set>
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#include <iostream>
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#include <memory.h>
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typedef unsigned char uint8_t;
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std::string normalize(std::string line)
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{
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size_t pos = line.find('(');
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/* nasm generates byte codes containing () for xbegin, so remove it. */
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if (pos != std::string::npos) {
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line.erase(pos, 1);
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pos = line.find(')');
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if (pos == std::string::npos) {
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fprintf(stderr, "line error {%s}\n", line.c_str());
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return "";
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}
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line.erase(pos, 1);
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}
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static const char tbl[][3] = { "66", "67", "F2", "F3" };
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size_t tblNum = sizeof(tbl) / sizeof(tbl[0]);
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typedef std::set<std::string> StringSet;
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StringSet suf;
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pos = 0;
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for (; pos < line.size(); pos += 2) {
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bool found = false;
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for (size_t i = 0; i < tblNum; i++) {
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if (::memcmp(&line[pos], tbl[i], 2) == 0) {
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found = true;
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suf.insert(tbl[i]);
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break;
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}
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}
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if (!found) break;
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}
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std::string ret;
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for (StringSet::const_iterator i = suf.begin(), e = suf.end(); i != e; ++i) {
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ret += *i;
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}
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ret += &line[pos];
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return ret;
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}
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int main()
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{
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std::string line;
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while (std::getline(std::cin, line)) {
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std::string normalizedLine = normalize(line);
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std::cout << normalizedLine << '\n';//std::endl;
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}
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}
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