static void Main(string[] args)
{
var pgm = new Program();
pgm.Run();
Console.ReadLine();
}
void Run()
{
var @void = VoidType.Instance;
var @int = IntegerType.Instance;
var @bool = BooleanType.Instance;
var @char = CharacterType.Instance;
var @string = new ArrayType(@char);
var setType = new FunctionType(new Parameter("dst", @int, ParameterFlags.Out), new Parameter("src", @int));
var mainType = new FunctionType();
var printIntType = new FunctionType(new Parameter("value", @int));
var printStringType = new FunctionType(new Parameter("value", @string));
var intBinOpType = new FunctionType(@int, new Parameter("lhs", @int), new Parameter("rhs", @int));
var intRelOpType = new FunctionType(@bool, new Parameter("lhs", @int), new Parameter("rhs", @int));
var intAssOpType = new FunctionType(@int, new Parameter("dst", @int, ParameterFlags.Out), new Parameter("val", @int));
var limitType = new FunctionType(@int);
var stringLiteral0 = new Array(@string, "i = ".Select(c => new Character(c)));
var stringLiteral1 = new Array(@string, "\n".Select(c => new Character(c)));
var @set = new UserFunction(setType, new Statement[]
{
new Statement.Call(new GlobalReference(6, false), new NullReference(), new StackFrameReference(0, false), new StackFrameReference(1, true))
{
Location = "set:0"
},
new Statement.Exit()
{
Location = "set:1"
},
});
var @print = new UserFunction(mainType, new Statement[]
{
new Statement.Call(new GlobalReference(3, false), new GlobalReference(8, true))
{
Location = "print:0"
},
new Statement.Call(new GlobalReference(2, false), new CreationFrameReference(0, true))
{
Location = "print:1"
},
new Statement.Call(new GlobalReference(3, false), new GlobalReference(9, true))
{
Location = "print:2"
},
new Statement.Exit()
{
Location = "print:3"
},
});
var @limit = new UserFunction(limitType, new Statement[]
{
new Statement.Call(new GlobalReference(6, false), new NullReference(), new StackFrameReference(0, false), new GlobalReference(10, true))
{
Location = "limit:0"
},
new Statement.Exit()
{
Location = "limit:1"
},
});
var @main = new UserFunction(mainType, new Statement[]
{
// 0: call g[0] SF[0] *g[7] /* set(i,42) */
new Statement.Call(new GlobalReference(0, false), new StackFrameReference(0, false), new GlobalReference(7, true))
{
Location = "main:0"
},
// 1: call g[12] SF[3] /* tmp1 = limit() */
new Statement.Call(new GlobalReference(12, false), new StackFrameReference(3, false))
{
Location = "main:1"
},
// 2: call g[5] SF[2] *SF[0] *SF[3] /* tmp0 = (i > tmp1) */
new Statement.Call(new GlobalReference(5, false), new StackFrameReference(2, false), new StackFrameReference(0, true), new StackFrameReference(3, true))
{
Location = "main:2"
},
// 3: jmpifn 7 SF[2] /* while(tmp0) { */
new Statement.ConditionalJump(new StackFrameReference(2, false), 7, JumpBehaviour.WhenFalse)
{
Location = "main:3"
},
// 4: call g[4] SF[3] *SF[0] *g[11] /* tmp1 = i - 1 */
new Statement.Call(new GlobalReference(4, false), new StackFrameReference(3, false), new StackFrameReference(0, true), new GlobalReference(11, true))
{
Location = "main:4"
},
// 5: call g[6] SF[0] *SF[3] /* i = tmp1 */
new Statement.Call(new GlobalReference(6, false), new NullReference(), new StackFrameReference(0, false), new StackFrameReference(3, true))
{
Location = "main:5"
},
// 6: jmp 1 /* } */
new Statement.Jump(1)
{
Location = "main:6"
},
// 7: newfun SF[1] f[1] /* print = f[1](SF) */
new Statement.CreateClosure(new StackFrameReference(1, false), @print)
{
Location = "main:7"
},
// 8: call SF[1] /* print() */
new Statement.Call(new StackFrameReference(1, false))
{
Location = "main:8"
},
// 9: exit /* return */
new Statement.Exit()
{
Location = "main:9"
}
}, @int, mainType, @bool, @int);
var @printInt = new BuiltinFunction(@printIntType, (args) =>
{
Console.Write("{0}", args[0].Value as Integer);
return(null);
});
var @printString = new BuiltinFunction(@printIntType, (args) =>
{
var value = args[0].Value as Array;
var text = string.Join <string>("", value.Select(v => char.ConvertFromUtf32((v as Character).Value)));
Console.Write("{0}", text);
return(null);
});
var @intAss = new BuiltinFunction(intAssOpType, (args) =>
{
args[0].Value = args[1].Value;
return(null);
});
var @intSub = new BuiltinFunction(intBinOpType, (args) =>
{
return(new Integer((args[0].Value as Integer) - (args[1].Value as Integer)));
});
var @intMoreThan = new BuiltinFunction(intBinOpType, (args) =>
{
return(new Boolean((args[0].Value as Integer) > (args[1].Value as Integer)));
});
var literalMain = new Function(@main);
var globals = new StorageContext(13);
{
globals[0] = new ValueStore(new Function(@set)); // set : t[1] = f[0](nil)
globals[1] = new ValueStore(literalMain); // main : t[2] = f[2](nil)
globals[2] = new ValueStore(new Function(@printInt)); // print : t[3] = f[5](nil)
globals[3] = new ValueStore(new Function(@printString)); // print : t[5] = f[4](nil)
globals[4] = new ValueStore(new Function(@intSub)); // '-' : t[6] = f[6](nil)
globals[5] = new ValueStore(new Function(@intMoreThan)); // '>' : t[7] = f[7](nil)
globals[6] = new ValueStore(new Function(@intAss)); // '=' : t[8] = f[3](nil)
globals[7] = new ValueStore(new Integer(42)); // 42 : int
globals[8] = new ValueStore(stringLiteral0); // "i = " : array<char>
globals[9] = new ValueStore(stringLiteral1); // "\n" : array<char>
globals[10] = new ValueStore(new Integer(38)); // 38 : int
globals[11] = new ValueStore(new Integer(1)); // 1 : int
globals[12] = new ValueStore(new Function(@limit)); // limit : t[10] = f[8](nil)
}
literalMain.Call(globals);
}
