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import std.stdio;
import std.string;
import std.file;
import std.conv;
/*
import parser;
import dbg;
import chunk;
import compiler;
*/
import vm;
import dbg;
/*
import compiler;
import obj;
import dbg;
import chunk;
import vm;
*/
void repl() {
REPL = true;
VM vm = new VM();
interpret(getCore(), vm);
while(true) {
write("> ");
string input = strip(stdin.readln());
if (input.length == 0) {
continue;
}
interpret(input, vm);
}
}
string readFile(string fname) {
File f = File(fname, "r");
char[] ret = [];
while (!f.eof()) {
ret = ret ~ f.readln();
}
f.close();
return to!string(ret);
}
string getCore() {
return readFile("core.neb");
}
int main(string[] args) {
if (args.length <= 1) {
repl();
} else {
string fname = args[1];
if (!exists(fname)) {
writeln("file doesn't exist: ", fname);
return 1;
}
VM vm = new VM();
interpret(getCore(), vm);
string data = readFile(fname);
interpret(data, vm);
}
return 0;
}
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