Files
crosslang/src/program_lib/crosslanginterperter.cpp

114 lines
3.2 KiB
C++

#include "CrossLang.hpp"
#include <fstream>
#include <iostream>
#include <sstream>
#include <vector>
using namespace Tesses::Framework;
using namespace Tesses::Framework::Filesystem;
namespace Tesses::CrossLang::Programs {
TObject CrossLangInterperter(GCList &ls, TRootEnvironment *env,
std::vector<std::string> &argv) {
std::shared_ptr<GC> gc = ls.GetGC();
if (argv.size() > 1) {
std::ifstream strm(argv[1], std::ios_base::in | std::ios_base::binary);
std::vector<LexToken> tokens;
Lex(argv[1], strm, tokens);
Parser parser(tokens);
CodeGen gen;
auto sfs = std::make_shared<SubdirFilesystem>(LocalFS, VFSPath("."));
gen.embedFS = sfs;
gen.GenRoot(parser.ParseRoot());
std::vector<uint8_t> data;
{
auto strm2 =
std::make_shared<Tesses::Framework::Streams::MemoryStream>(
true);
gen.Save(strm2);
{
TFile *file = TFile::Create(ls);
strm2->Seek(0, Tesses::Framework::Streams::SeekOrigin::Begin);
file->Load(gc, strm2);
env->LoadFile(gc, file);
}
}
TList *args = TList::Create(ls);
for (int arg = 1; arg < argv.size(); arg++)
args->Add(std::string(argv[arg]));
return env->CallFunctionWithFatalError(ls, "main", {args});
} else {
while (true) {
std::cout << "> ";
std::string source;
std::getline(std::cin, source);
auto strm2 =
std::make_shared<Tesses::Framework::Streams::MemoryStream>(
true);
if (source.find("loadfile ") == 0) {
std::string filename = source.substr(9);
std::ifstream strm(filename,
std::ios_base::in | std::ios_base::binary);
std::vector<LexToken> tokens;
Lex(filename, strm, tokens);
Parser parser(tokens);
CodeGen gen;
auto sfs =
std::make_shared<SubdirFilesystem>(LocalFS, VFSPath("."));
gen.embedFS = sfs;
gen.GenRoot(parser.ParseRoot());
gen.Save(strm2);
} else if (source == "exit") {
return (int64_t)0;
} else {
std::vector<LexToken> tokens;
std::stringstream strm(source, std::ios_base::in |
std::ios_base::binary);
Lex("lexed.tcross", strm, tokens);
Parser parser(tokens);
CodeGen gen;
auto sfs =
std::make_shared<SubdirFilesystem>(LocalFS, VFSPath("."));
gen.embedFS = sfs;
gen.GenRoot(parser.ParseRoot());
gen.Save(strm2);
}
{
TFile *file = TFile::Create(ls);
strm2->Seek(0, Tesses::Framework::Streams::SeekOrigin::Begin);
file->Load(gc, strm2);
env->LoadFile(gc, file);
}
}
}
return (int64_t)0;
}
} // namespace Tesses::CrossLang::Programs