private AstExpr ParseRef()
{
AstExpr varRef = new AstVarRef {
StName = Expect(Ktoken.Id).St
};
if (Accept(Ktoken.Lbracket))
{
var astIndex = new AstIndex {
exprLeft = varRef, exprRight = ParseExpr()
};
Expect(Ktoken.Rbracket);
return(astIndex);
}
if (Accept(Ktoken.Dot))
{
var varRefRight = new AstVarRef {
StName = Expect(Ktoken.Id).St
};
varRef = new AstDot {
varLeft = (AstVarRef)varRef, varRight = varRefRight
};
}
if (FCurrent(Ktoken.Lparen))
{
return new AstCall {
exprFunc = varRef, rgexprParam = ParseArgumentList().ToArray()
}
}
;
return(varRef);
}
private void CompileIndex(AstIndex node, Syt syt, StringBuilder sb)
{
CompileRecursive(node.exprLeft, syt, sb);
CompileRecursive(node.exprRight, syt, sb);
sb.AppendLine("add");
sb.AppendLine("pop pointer 1");
sb.AppendLine("push that 0");
}
