cbc/net/loveruby/cflat/ast/MemberNode.java

67 lines
1.4 KiB
Java

package net.loveruby.cflat.ast;
import net.loveruby.cflat.type.*;
import net.loveruby.cflat.asm.AsmOperand;
import net.loveruby.cflat.exception.*;
public class MemberNode extends ExprNode {
protected ExprNode expr;
protected String member;
public MemberNode(ExprNode expr, String member) {
this.expr = expr;
this.member = member;
}
public Type type() {
return baseType().memberType(member);
}
public CompositeType baseType() {
try {
return expr.type().getCompositeType();
}
catch (ClassCastException err) {
throw new SemanticError(err.getMessage());
}
}
public ExprNode expr() {
return expr;
}
public String member() {
return member;
}
public long offset() {
return baseType().memberOffset(member);
}
// #@@range/isAssignable{
public boolean isAssignable() {
return true;
}
// #@@}
public boolean isConstantAddress() {
return false;
}
public Location location() {
return expr.location();
}
protected void _dump(Dumper d) {
d.printMember("expr", expr);
d.printMember("member", member);
}
public <S,E> E accept(ASTVisitor<S,E> visitor) {
return visitor.visit(this);
}
public void acceptLHS(ASTLHSVisitor visitor) {
visitor.visitLHS(this);
}
}