@Override public boolean accept(final ASTVisitor visitor) { for (final Expr e : preds) { visitor.enterFocus(); if (!e.accept(visitor)) return false; visitor.exitFocus(); } return root.accept(visitor); }
@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) { 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) { return ts.accept(visitor) && visitAll(visitor, cases); }
@Override public boolean accept(final ASTVisitor visitor) { return super.accept(visitor) && query.accept(visitor) && (occ == null || visitAll(visitor, occ)); }