mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-14 08:18:41 +00:00
497 lines
14 KiB
C++
497 lines
14 KiB
C++
#include <iostream>
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#include <cstdio>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <map>
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#include <utility>
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#include <stdexcept>
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#include <argp.h>
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#include "uoj_run.h"
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namespace fs = std::filesystem;
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class language_not_supported_error : public std::invalid_argument {
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public:
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explicit language_not_supported_error()
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: std::invalid_argument("This language has not been supported yet.") {}
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};
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class fail_to_read_src_error : public std::runtime_error {
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public:
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explicit fail_to_read_src_error(const std::string &what = "An error occurs when trying to read the source code.")
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: std::runtime_error(what) {}
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};
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class compile_error : public std::invalid_argument {
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public:
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explicit compile_error(const std::string &what)
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: std::invalid_argument(what) {}
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};
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const std::vector<std::pair<const char *, const char *>> suffix_search_list = {
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{".code" , "" },
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{"20.cpp" , "C++20" },
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{"17.cpp" , "C++17" },
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{"14.cpp" , "C++" },
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{"11.cpp" , "C++11" },
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{"03.cpp" , "C++03" },
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{"98.cpp" , "C++98" },
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{".cpp" , "C++" },
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{".c" , "C" },
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{".pas" , "Pascal" },
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{"2.7.py" , "Python2.7"},
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{"2.py" , "Python2.7"},
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{".py" , "Python3" },
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{"7.java" , "Java7" },
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{"8.java" , "Java8" },
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{"11.java", "Java11" },
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{"14.java", "Java14" },
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{"17.java", "Java17" },
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};
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struct compile_config {
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std::string name;
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std::string src;
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std::string lang = "auto";
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std::string opt;
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std::string implementer;
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std::string custom_compiler_path;
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std::vector<std::string> cinclude_dirs;
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void auto_find_src() {
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if (!src.empty()) {
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return;
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}
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for (auto &p : suffix_search_list) {
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if (fs::is_regular_file(name + p.first)) {
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src = fs::canonical(name + p.first);
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if (lang == "auto") {
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lang = p.second;
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}
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return;
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}
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}
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}
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};
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error_t compile_argp_parse_opt(int key, char *arg, struct argp_state *state) {
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compile_config *config = (compile_config*)state->input;
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try {
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switch (key) {
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case 's':
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config->src = arg;
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break;
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case 'i':
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config->implementer = arg;
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break;
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case 'l':
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config->lang = arg;
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break;
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case 'c':
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config->custom_compiler_path = arg;
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break;
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case 'I':
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config->cinclude_dirs.push_back(arg);
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break;
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case ARGP_KEY_ARG:
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config->name = arg;
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break;
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case ARGP_KEY_END:
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if (state->arg_num != 1) {
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argp_usage(state);
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}
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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} catch (std::exception &e) {
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argp_usage(state);
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}
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return 0;
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}
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compile_config parse_args(int argc, char **argv) {
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argp_option argp_options[] = {
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{"src" , 's', "SOURCE_CODE" , 0, "set the path to source code" , 1},
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{"impl" , 'i', "IMPLEMENTER" , 0, "set the implementer name" , 2},
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{"lang" , 'l', "LANGUAGE" , 0, "set the language" , 3},
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{"custom" , 'c', "CUSTOM" , 0, "path to custom compilers (those are not placed in /usr/bin)", 4},
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{"cinclude", 'I', "DIRECTORY" , 0, "add the directory dir to the list of directories to be searched for header files during preprocessing (for C/C++)", 5},
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{0}
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};
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char argp_args_doc[] = "name";
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char argp_doc[] = "compile: a tool to compile programs";
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argp compile_argp = {
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argp_options,
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compile_argp_parse_opt,
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argp_args_doc,
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argp_doc
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};
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compile_config config;
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argp_parse(&compile_argp, argc, argv, ARGP_NO_ARGS | ARGP_IN_ORDER, 0, &config);
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config.auto_find_src();
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if (config.src.empty() || !fs::is_regular_file(config.src)) {
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throw fail_to_read_src_error();
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}
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return config;
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}
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bool is_illegal_keyword(const std::string &name) {
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return name == "__asm" || name == "__asm__" || name == "asm";
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}
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bool has_illegal_keywords_in_file(const std::string &src) {
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std::ifstream fin(src);
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if (!fin) {
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throw fail_to_read_src_error();
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}
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const int L = 1 << 15;
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char buf[L];
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std::string key;
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while (!fin.eof()) {
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fin.read(buf, L);
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int cnt = fin.gcount();
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for (char *p = buf; p != buf + cnt; p++) {
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char c = *p;
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if (isalnum(c) || c == '_') {
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if (key.size() < 20) {
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key += c;
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} else {
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if (is_illegal_keyword(key)) {
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return true;
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}
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key.erase(key.begin());
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key += c;
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}
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}
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else {
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if (is_illegal_keyword(key)) {
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return true;
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}
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key.clear();
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}
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}
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if (fin.bad()) {
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throw fail_to_read_src_error();
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}
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}
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return false;
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}
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std::string get_java_main_class(const std::string &src) {
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std::ifstream fin(src);
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if (!fin) {
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throw fail_to_read_src_error();
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}
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const int L = 1 << 15;
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char buf[L];
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std::string s;
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int mode = 0;
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while (!fin.eof()) {
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fin.read(buf, L);
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int cnt = fin.gcount();
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for (char *p = buf; p != buf + cnt; p++) {
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s += *p;
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switch (mode) {
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case 0:
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switch (*p) {
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case '/':
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mode = 1;
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break;
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case '\'':
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mode = 5;
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break;
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case '\"':
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mode = 6;
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break;
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}
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break;
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case 1:
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switch (*p) {
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case '/':
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mode = 2;
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s.pop_back();
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s.pop_back();
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break;
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case '*':
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mode = 3;
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s.pop_back();
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s.pop_back();
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break;
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}
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break;
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case 2:
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s.pop_back();
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switch (*p) {
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case '\n':
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s += '\n';
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mode = 0;
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break;
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}
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break;
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case 3:
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s.pop_back();
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switch (*p) {
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case '*':
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mode = 4;
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break;
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}
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break;
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case 4:
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s.pop_back();
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switch (*p) {
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case '/':
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s += ' ';
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mode = 0;
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break;
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}
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break;
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case 5:
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switch (*p) {
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case '\'':
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mode = 0;
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break;
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case '\\':
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mode = 7;
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break;
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}
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case 6:
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switch (*p) {
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case '\"':
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mode = 0;
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break;
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case '\\':
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mode = 8;
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break;
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}
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case 7:
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mode = 5;
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break;
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case 8:
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mode = 6;
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break;
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}
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}
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if (fin.bad()) {
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throw fail_to_read_src_error();
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}
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}
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bool valid[256];
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std::fill(valid, valid + 256, false);
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std::fill(valid + 'a', valid + 'z' + 1, true);
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std::fill(valid + 'A', valid + 'Z' + 1, true);
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std::fill(valid + '0', valid + '9' + 1, true);
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valid['.'] = true;
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valid['_'] = true;
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std::vector<std::string> tokens;
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for (size_t p = 0, np = 0; p < s.length(); p = np) {
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while (np < s.length() && valid[(unsigned char)s[np]]) {
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np++;
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}
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if (np == p) {
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np++;
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} else {
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tokens.push_back(s.substr(p, np - p));
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}
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}
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if (tokens.size() > 0 && tokens[0] == "package") {
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throw compile_error("Please don't specify the package.");
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}
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for (size_t i = 0; i + 1 < tokens.size(); i++) {
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if (tokens[i] == "class") {
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std::string name = tokens[i + 1];
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if (name.length() > 100) {
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throw compile_error("The name of the main class is too long.");
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}
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for (size_t k = 0; k < name.length(); k++) {
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if (!isalnum(name[k]) && name[k] != '_') {
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throw compile_error("The name of the main class should only contain letters, numbers and underscore sign.");
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}
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}
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if (!isalpha(name[0])) {
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throw compile_error("The name of the main class cannot begin with a number.");
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}
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return tokens[i + 1];
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}
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}
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throw compile_error("Cannot find the main class.");
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}
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int compile_cpp(const compile_config &conf, const std::string &std) {
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std::ostringstream sflags;
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spaced_out(sflags, "-lm", "-O2", "-DONLINE_JUDGE", "-std=" + std);
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for (auto dir : conf.cinclude_dirs) {
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add_spaced_out(sflags, "-I" + dir);
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}
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if (conf.implementer.empty()) {
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return execute(
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UOJ_GPLUSPLUS, sflags.str(), "-o", conf.name,
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"-x", "c++", conf.src
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);
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} else {
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return execute(
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UOJ_GPLUSPLUS, sflags.str(), "-o", conf.name,
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conf.implementer + ".cpp", "-x", "c++", conf.src
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);
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}
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}
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int compile_c(const compile_config &conf) {
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std::ostringstream sflags;
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spaced_out(sflags, "-lm", "-O2", "-DONLINE_JUDGE");
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for (auto dir : conf.cinclude_dirs) {
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add_spaced_out(sflags, "-I" + dir);
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}
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if (conf.implementer.empty()) {
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return execute(
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UOJ_GCC, sflags.str(), "-o", conf.name,
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"-x", "c", conf.src
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);
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} else {
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return execute(
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UOJ_GCC, sflags.str(), "-o", conf.name,
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conf.implementer + ".c", "-x", "c", conf.src
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);
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}
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}
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int compile_python2_7(const compile_config &conf) {
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if (!conf.implementer.empty()) {
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throw language_not_supported_error();
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}
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std::string dfile = "__pycode__/" + conf.name + ".py";
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std::string compiler_code =
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"import py_compile\n"
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"import sys\n"
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"try:\n"
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" py_compile.compile('" + conf.src + "', cfile='" + conf.name + "', dfile='" + dfile + "', doraise=True)\n"
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" sys.exit(0)\n"
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"except Exception as e:\n"
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" print e\n"
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" sys.exit(1)\n";
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return execute(UOJ_PYTHON2_7, "-E", "-s", "-B", "-O", "-c", escapeshellarg(compiler_code));
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}
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int compile_python3(const compile_config &conf) {
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if (!conf.implementer.empty()) {
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throw language_not_supported_error();
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}
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std::string dfile = "__pycode__/" + conf.name + ".py";
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std::string compiler_code =
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"import py_compile\n"
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"import sys\n"
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"try:\n"
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" py_compile.compile('" + conf.src + "', cfile='" + conf.name + "', dfile='" + dfile + "', doraise=True)\n"
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" sys.exit(0)\n"
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"except Exception as e:\n"
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" print(e)\n"
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" sys.exit(1)\n";
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return execute(UOJ_PYTHON3, "-I", "-B", "-O", "-c", escapeshellarg(compiler_code));
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}
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int compile_java(const compile_config &conf, const std::string &jdk) {
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if (!conf.implementer.empty()) {
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throw language_not_supported_error();
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}
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try {
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std::string main_class = get_java_main_class(conf.src);
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fs::remove_all(conf.name);
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fs::create_directory(conf.name);
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fs::copy_file(conf.src, fs::path(conf.name) / (main_class + ".java"));
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int ret = execute(
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"cd", conf.name,
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"&&", jdk + "/bin/javac", main_class + ".java"
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);
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fs::remove(fs::path(conf.name) / (main_class + ".java"));
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put_class_name_to_file(fs::path(conf.name) / ".main_class_name", main_class);
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return ret;
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} catch (std::system_error &e) {
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throw compile_error("System Error");
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}
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}
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int compile_pas(const compile_config &conf) {
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if (conf.implementer.empty()) {
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return execute(UOJ_FPC, conf.src, "-O2");
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} else {
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try {
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std::string unit_name = get_class_name_from_file(conf.name + ".unit_name");
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if (!unit_name.empty()) {
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fs::copy_file(conf.src, unit_name + ".pas");
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}
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int ret = execute(UOJ_FPC, conf.implementer + ".pas", "-o" + conf.name, "-O2");
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if (!unit_name.empty()) {
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fs::remove(unit_name + ".pas");
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}
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return ret;
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} catch (std::system_error &e) {
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throw compile_error("System Error");
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}
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}
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}
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int compile(const compile_config &conf) {
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if ((conf.lang.length() > 0 && conf.lang[0] == 'C') && has_illegal_keywords_in_file(conf.src)) {
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std::cerr << "Compile Failed: assembly language detected" << std::endl;
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return 1;
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}
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std::string lang = upgraded_lang(conf.lang);
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if (lang == "C++" || lang == "C++14") {
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return compile_cpp(conf, "c++14");
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} else if (lang == "C++98") {
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return compile_cpp(conf, "c++98");
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} else if (lang == "C++03") {
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return compile_cpp(conf, "c++03");
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} else if (lang == "C++11") {
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return compile_cpp(conf, "c++11");
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} else if (lang == "C++17") {
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return compile_cpp(conf, "c++17");
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} else if (lang == "C++20") {
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return compile_cpp(conf, "c++20");
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} else if (lang == "C") {
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return compile_c(conf);
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} else if (lang == "Python2.7") {
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return compile_python2_7(conf);
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} else if (lang == "Python3") {
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return compile_python3(conf);
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} else if (lang == "Java8") {
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return compile_java(conf, UOJ_OPEN_JDK8);
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} else if (lang == "Java11") {
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return compile_java(conf, UOJ_OPEN_JDK11);
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} else if (lang == "Java17") {
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return compile_java(conf, UOJ_OPEN_JDK17);
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} else if (lang == "Pascal") {
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return compile_pas(conf);
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} else {
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throw language_not_supported_error();
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}
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}
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int main(int argc, char **argv) {
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try {
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return compile(parse_args(argc, argv));
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} catch (std::exception &e) {
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std::cerr << e.what() << std::endl;
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return 1;
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}
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}
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