42 lines
764 B
D
42 lines
764 B
D
|
import std.stdio;
|
||
|
|
import ast;
|
||
|
|
import parser;
|
||
|
|
import runtimedata;
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
|
||
|
|
Parser par;
|
||
|
|
EvalReturn ret;
|
||
|
|
Expr expr;
|
||
|
|
|
||
|
|
Variable[string] varStack;
|
||
|
|
writeln("The SNOL environment is now active, you may proceed with giving your commands.");
|
||
|
|
do
|
||
|
|
{
|
||
|
|
write("Command: ");
|
||
|
|
try
|
||
|
|
{
|
||
|
|
par = Parser(readln());
|
||
|
|
expr = par.parse();
|
||
|
|
if (expr !is null)
|
||
|
|
{
|
||
|
|
|
||
|
|
ret = expr.evaluate(varStack);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch(ParseException e)
|
||
|
|
{
|
||
|
|
writeln(e.msg);
|
||
|
|
}
|
||
|
|
catch(RunException e)
|
||
|
|
{
|
||
|
|
writeln(e.msg);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
while (ret.type != EVAL_TYPE.EXIT);
|
||
|
|
writeln("Interpreter is now terminated...");
|
||
|
|
|
||
|
|
}
|