public override void DoVisit(AST_BinaryOpExp node)
{
Console.Write("(BOP " + node.type);
VisitChildren(node);
Console.Write(")");
}
public override void DoVisit(AST_BinaryOpExp ast)
{
switch (ast.type)
{
case EnumBinaryOp.AND:
{
Visit(ast.children[0]);
var jump_op = Emit(Opcodes.JumpPeekZ, new int[] { 0 /*patched later*/ });
Visit(ast.children[1]);
Emit(Opcodes.And, null, ast.line_num);
AddOffsetFromTo(jump_op, Peek());
}
break;
case EnumBinaryOp.OR:
{
Visit(ast.children[0]);
var jump_op = Emit(Opcodes.JumpPeekNZ, new int[] { 0 /*patched later*/ });
Visit(ast.children[1]);
Emit(Opcodes.Or, null, ast.line_num);
AddOffsetFromTo(jump_op, Peek());
}
break;
case EnumBinaryOp.BIT_AND:
VisitChildren(ast);
Emit(Opcodes.BitAnd, null, ast.line_num);
break;
case EnumBinaryOp.BIT_OR:
VisitChildren(ast);
Emit(Opcodes.BitOr, null, ast.line_num);
break;
case EnumBinaryOp.MOD:
VisitChildren(ast);
Emit(Opcodes.Mod, null, ast.line_num);
break;
case EnumBinaryOp.ADD:
{
VisitChildren(ast);
Emit(Opcodes.Add, null, ast.line_num);
}
break;
case EnumBinaryOp.SUB:
VisitChildren(ast);
Emit(Opcodes.Sub, null, ast.line_num);
break;
case EnumBinaryOp.DIV:
VisitChildren(ast);
Emit(Opcodes.Div, null, ast.line_num);
break;
case EnumBinaryOp.MUL:
VisitChildren(ast);
Emit(Opcodes.Mul, null, ast.line_num);
break;
case EnumBinaryOp.EQ:
VisitChildren(ast);
Emit(Opcodes.Equal, null, ast.line_num);
break;
case EnumBinaryOp.NQ:
VisitChildren(ast);
Emit(Opcodes.NotEqual, null, ast.line_num);
break;
case EnumBinaryOp.LT:
VisitChildren(ast);
Emit(Opcodes.LT, null, ast.line_num);
break;
case EnumBinaryOp.LTE:
VisitChildren(ast);
Emit(Opcodes.LTE, null, ast.line_num);
break;
case EnumBinaryOp.GT:
VisitChildren(ast);
Emit(Opcodes.GT, null, ast.line_num);
break;
case EnumBinaryOp.GTE:
VisitChildren(ast);
Emit(Opcodes.GTE, null, ast.line_num);
break;
default:
throw new Exception("Not supported binary type: " + ast.type);
}
}
public abstract void DoVisit(AST_BinaryOpExp ast);
