@Override
public boolean accept(final ASTVisitor visitor) {
if (root == null) {
if (!visitor.lock(DBLocking.CTX)) return false;
} else if (!root.accept(visitor)) {
return false;
}
visitor.enterFocus();
if (!visitAll(visitor, steps)) return false;
visitor.exitFocus();
return true;
}
@Override
public boolean accept(final ASTVisitor visitor) {
if (!visitAll(visitor, specs)) return false;
for (final Expr ng : preExpr) if (!ng.accept(visitor)) return false;
for (final Var ng : post) if (!visitor.declared(ng)) return false;
return true;
}
@Override
public boolean accept(final ASTVisitor visitor) {
return expr.accept(visitor) && visitor.declared(var);
}
@Override
public <RETURN_TYPE, PARAMETER_TYPE> RETURN_TYPE accept(
final ASTVisitor<RETURN_TYPE, PARAMETER_TYPE> v, final PARAMETER_TYPE p) {
return v.visitCall(this, p);
}
public <T> T accept(ASTVisitor<T> v) {
return v.forVariable(this);
}
@Override
public boolean accept(final ASTVisitor visitor) {
return visitor.dynFuncCall(this) && visitAll(visitor, expr);
}
public <ResType> ResType accept(ASTVisitor<ResType> v) {
return v.forPrimFun(this);
}
public <T> T accept(ASTVisitor<T> v) {
return v.forNullConstant(this);
}
public <ResType> ResType accept(ASTVisitor<ResType> av) {
return av.forBoolConstant(this);
}
public <T> T accept(ASTVisitor<T> v) {
return v.forBlock(this);
}
public <T> T accept(ASTVisitor<T> v) {
return v.forLetcc(this);
}
public <ResType> ResType accept(ASTVisitor<ResType> v) {
return v.forIntConstant(this);
}
public <T> T accept(ASTVisitor<T> v) {
return v.forApp(this);
}