Introduced lexer & parser interfaces

commit_hash:fee365c90a176dd33a967cee20994b21d530080c

3 files changed, 56 insertions, 0 deletions

diff --git a/yql/essentials/sql/v1/proto_parser/antlr3_ansi/proto_parser.cpp b/yql/essentials/sql/v1/proto_parser/antlr3_ansi/proto_parser.cpp
new file mode 100644
index 00000000000..102f5e187e1
--- /dev/null
+++ b/yql/essentials/sql/v1/proto_parser/antlr3_ansi/proto_parser.cpp
@@ -0,0 +1,35 @@
+#include "proto_parser.h"
+#include <yql/essentials/parser/proto_ast/antlr3/proto_ast_antlr3.h>
+#include <yql/essentials/parser/proto_ast/gen/v1_ansi/SQLv1Lexer.h>
+#include <yql/essentials/parser/proto_ast/gen/v1_ansi/SQLv1Parser.h>
+#include <yql/essentials/utils/yql_panic.h>
+
+namespace NSQLTranslationV1 {
+
+namespace {
+
+class TParser : public NSQLTranslation::IParser {
+public:
+    google::protobuf::Message* Parse(
+    const TString& query, const TString& queryName, NProtoAST::IErrorCollector& err,
+        google::protobuf::Arena* arena) final {
+        YQL_ENSURE(arena);
+        NProtoAST::TProtoASTBuilder3<NALPAnsi::SQLv1Parser, NALPAnsi::SQLv1Lexer> builder(query, queryName, arena);
+        return builder.BuildAST(err);
+    }
+};
+
+class TFactory: public NSQLTranslation::IParserFactory {
+public:
+    std::unique_ptr<NSQLTranslation::IParser> MakeParser() const final {
+        return std::make_unique<TParser>();
+    }
+};
+
+}
+
+NSQLTranslation::TParserFactoryPtr MakeAntlr3AnsiParserFactory() {
+    return MakeIntrusive<TFactory>();
+}
+
+}
diff --git a/yql/essentials/sql/v1/proto_parser/antlr3_ansi/proto_parser.h b/yql/essentials/sql/v1/proto_parser/antlr3_ansi/proto_parser.h
new file mode 100644
index 00000000000..f03f1ea0a72
--- /dev/null
+++ b/yql/essentials/sql/v1/proto_parser/antlr3_ansi/proto_parser.h
@@ -0,0 +1,8 @@
+#pragma once
+#include <yql/essentials/parser/proto_ast/common.h>
+
+namespace NSQLTranslationV1 {
+
+NSQLTranslation::TParserFactoryPtr MakeAntlr3AnsiParserFactory();
+
+}
diff --git a/yql/essentials/sql/v1/proto_parser/antlr3_ansi/ya.make b/yql/essentials/sql/v1/proto_parser/antlr3_ansi/ya.make
new file mode 100644
index 00000000000..ce8b3f7917a
--- /dev/null
+++ b/yql/essentials/sql/v1/proto_parser/antlr3_ansi/ya.make
@@ -0,0 +1,13 @@
+LIBRARY()
+
+PEERDIR(
+    yql/essentials/utils
+    yql/essentials/parser/proto_ast/antlr3
+    yql/essentials/parser/proto_ast/gen/v1_ansi
+)
+
+SRCS(
+    proto_parser.cpp
+)
+
+END()