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#include "named_node.h"
#include "narrowing_visitor.h"
#include <library/cpp/iterator/iterate_keys.h>
#include <library/cpp/iterator/iterate_values.h>
#include <util/generic/hash_set.h>
#include <util/generic/ptr.h>
namespace NSQLComplete {
namespace {
class TVisitor: public TSQLv1NarrowingVisitor {
public:
TVisitor(
antlr4::TokenStream* tokens,
size_t cursorPosition,
THashSet<TString>* names)
: TSQLv1NarrowingVisitor(tokens, cursorPosition)
, Names_(names)
{
}
std::any visitSql_stmt_core(SQLv1::Sql_stmt_coreContext* ctx) override {
if (ctx->declare_stmt() ||
ctx->import_stmt() ||
ctx->define_action_or_subquery_stmt() ||
ctx->named_nodes_stmt() ||
IsEnclosing(ctx)) {
return visitChildren(ctx);
}
return {};
}
std::any visitDeclare_stmt(SQLv1::Declare_stmtContext* ctx) override {
VisitNullable(ctx->bind_parameter());
return {};
}
std::any visitImport_stmt(SQLv1::Import_stmtContext* ctx) override {
VisitNullable(ctx->named_bind_parameter_list());
return {};
}
std::any visitDefine_action_or_subquery_stmt(
SQLv1::Define_action_or_subquery_stmtContext* ctx) override {
VisitNullable(ctx->bind_parameter());
if (IsEnclosing(ctx)) {
return visitChildren(ctx);
}
return {};
}
std::any visitNamed_nodes_stmt(SQLv1::Named_nodes_stmtContext* ctx) override {
VisitNullable(ctx->bind_parameter_list());
if (IsEnclosing(ctx)) {
return visitChildren(ctx);
}
return {};
}
std::any visitFor_stmt(SQLv1::For_stmtContext* ctx) override {
VisitNullable(ctx->bind_parameter());
if (IsEnclosing(ctx)) {
return visitChildren(ctx);
}
return {};
}
std::any visitLambda(SQLv1::LambdaContext* ctx) override {
VisitNullable(ctx->smart_parenthesis());
if (IsEnclosing(ctx)) {
return visitChildren(ctx);
}
return {};
}
std::any visitNamed_bind_parameter(
SQLv1::Named_bind_parameterContext* ctx) override {
VisitNullable(ctx->bind_parameter(0));
return {};
}
std::any visitBind_parameter(SQLv1::Bind_parameterContext* ctx) override {
TMaybe<std::string> id = GetId(ctx);
if (id.Empty() || id == "_") {
return {};
}
Names_->emplace(std::move(*id));
return {};
}
private:
void VisitNullable(antlr4::tree::ParseTree* tree) {
if (tree == nullptr) {
return;
}
visit(tree);
}
THashSet<TString>* Names_;
};
} // namespace
TVector<TString> CollectNamedNodes(
SQLv1::Sql_queryContext* ctx,
antlr4::TokenStream* tokens,
size_t cursorPosition) {
THashSet<TString> names;
TVisitor(tokens, cursorPosition, &names).visit(ctx);
return TVector<TString>(begin(names), end(names));
}
} // namespace NSQLComplete
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