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/**
* \file
* \author Guillaume Papin <guillaume.papin@epitech.eu>
*
* This file is distributed under the GNU General Public License. See
* COPYING for details.
*/
#include "Irony.h"
#include "Command.h"
#include "support/CIndex.h"
#include "support/CommandLineParser.h"
#include <cassert>
#include <cstdlib>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <memory>
#include <vector>
static void printHelp() {
std::cout << "usage: irony-server [OPTIONS...] [COMMAND] [ARGS...]\n"
"\n"
"Options:\n"
" -v, --version\n"
" -h, --help\n"
" -i, --interactive\n"
" -d, --debug\n"
" --log-file PATH\n"
"\n"
"Commands:\n";
#define X(sym, str, desc) \
if (Command::sym != Command::Unknown) \
std::cout << std::left << std::setw(25) << " " str << desc << "\n";
#include "Commands.def"
}
static void printVersion() {
// do not change the format for the first line, external programs should be
// able to rely on it
std::cout << "irony-server version " IRONY_PACKAGE_VERSION "\n";
CXString cxVersionString = clang_getClangVersion();
std::cout << clang_getCString(cxVersionString) << "\n";
clang_disposeString(cxVersionString);
}
struct CommandProviderInterface {
virtual ~CommandProviderInterface() { }
virtual std::vector<std::string> nextCommand() = 0;
};
struct CommandLineCommandProvider : CommandProviderInterface {
CommandLineCommandProvider(const std::vector<std::string> &argv)
: argv_(argv), firstCall_(true) {
}
std::vector<std::string> nextCommand() {
if (firstCall_) {
firstCall_ = false;
return argv_;
}
return std::vector<std::string>(1, "exit");
}
private:
std::vector<std::string> argv_;
bool firstCall_;
};
struct InteractiveCommandProvider : CommandProviderInterface {
std::vector<std::string> nextCommand() {
std::string line;
if (std::getline(std::cin, line)) {
return unescapeCommandLine(line);
}
return std::vector<std::string>(1, "exit");
}
};
struct RestoreClogOnExit {
RestoreClogOnExit() : rdbuf_(std::clog.rdbuf()) {
}
~RestoreClogOnExit() {
std::clog.rdbuf(rdbuf_);
}
private:
RestoreClogOnExit(const RestoreClogOnExit &);
RestoreClogOnExit &operator=(const RestoreClogOnExit &);
private:
std::streambuf *rdbuf_;
};
int main(int ac, const char *av[]) {
std::vector<std::string> argv(&av[1], &av[ac]);
// stick to STL streams, no mix of C and C++ for IO operations
std::ios_base::sync_with_stdio(false);
bool interactiveMode = false;
Irony irony;
if (ac == 1) {
printHelp();
return 1;
}
std::ofstream logFile;
// When logging to a specific file, std::clog.rdbuf() is replaced by the log
// file's one. When we return from the main, this buffer is deleted (at the
// same time as logFile) but std::clog is still active, and will try to
// release the rdbuf() which has already been released in logFile's
// destructor. To avoid this we restore std::clog()'s original rdbuf on exit.
RestoreClogOnExit clogBufferRestorer;
unsigned optCount = 0;
while (optCount < argv.size()) {
const std::string &opt = argv[optCount];
if (opt.c_str()[0] != '-')
break;
if (opt == "--help" || opt == "-h") {
printHelp();
return 0;
}
if (opt == "--version" || opt == "-v") {
printVersion();
return 0;
}
if (opt == "--interactive" || opt == "-i") {
interactiveMode = true;
} else if (opt == "--debug" || opt == "-d") {
irony.setDebug(true);
} else if (opt == "--log-file" && (optCount + 1) < argv.size()) {
++optCount;
logFile.open(argv[optCount]);
std::clog.rdbuf(logFile.rdbuf());
} else {
std::cerr << "error: invalid option '" << opt << "'\n";
return 1;
}
++optCount;
}
argv.erase(argv.begin(), argv.begin() + optCount);
CommandParser commandParser;
std::unique_ptr<CommandProviderInterface> commandProvider;
if (interactiveMode) {
commandProvider.reset(new InteractiveCommandProvider());
} else {
commandProvider.reset(new CommandLineCommandProvider(argv));
}
while (Command *c = commandParser.parse(commandProvider->nextCommand())) {
if (c->action != Command::Exit) {
std::clog << "execute: " << *c << std::endl;
}
switch (c->action) {
case Command::Help:
printHelp();
break;
case Command::Candidates:
irony.candidates(c->prefix, c->style);
break;
case Command::CompletionDiagnostics:
irony.completionDiagnostics();
break;
case Command::Complete:
irony.complete(c->file, c->line, c->column, c->flags);
break;
case Command::Diagnostics:
irony.diagnostics();
break;
case Command::Exit:
return 0;
case Command::GetCompileOptions:
irony.getCompileOptions(c->dir, c->file);
break;
case Command::GetType:
irony.getType(c->line, c->column);
break;
case Command::Parse:
irony.parse(c->file, c->flags);
break;
case Command::SetDebug:
irony.setDebug(c->opt);
break;
case Command::SetUnsaved:
irony.setUnsaved(c->file, c->unsavedFile);
break;
case Command::ResetUnsaved:
irony.resetUnsaved(c->file);
break;
case Command::Unknown:
assert(0 && "unreacheable code...reached!");
break;
}
std::cout << "\n;;EOT\n" << std::flush;
}
return 1;
}
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