feat(tdl): Add Spider TDL component; Add boilerplate for TDL parser's AST node.

src/spider/CMakeLists.txt

@@ -194,3 +194,24 @@ target_link_libraries(
 )
 
 add_library(spider::spider ALIAS spider_client)
+
+set(SPIDER_TDL_SHARED_SOURCES
+    tdl/parser/ast/Node.cpp
+    CACHE INTERNAL
+    "spider task definition language shared source files"
+)
+
+set(SPIDER_TDL_SHARED_HEADERS
+    tdl/parser/ast/Node.hpp
+    CACHE INTERNAL
+    "spider task definition language shared header files"
+)
+
+add_library(spider_tdl)
+target_sources(spider_tdl PRIVATE ${SPIDER_TDL_SHARED_SOURCES})
+target_sources(spider_tdl PUBLIC ${SPIDER_TDL_SHARED_HEADERS})
+target_include_directories(spider_tdl PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+target_link_libraries(spider_tdl PUBLIC ystdlib::error_handling)
+
+add_library(spider::tdl ALIAS spider_tdl)

src/spider/tdl/parser/ast/Node.cpp

@@ -0,0 +1,23 @@
+#include "Node.hpp"
+
+#include <string>
+
+#include <ystdlib/error_handling/ErrorCode.hpp>
+
+using spider::tdl::parser::ast::Node;
+using NodeErrorCodeCategory = ystdlib::error_handling::ErrorCategory<Node::ErrorCodeEnum>;
+
+template <>
+auto NodeErrorCodeCategory::name() const noexcept -> char const* {
+    return "spider::tdl::parser::ast::Node";
+}
+
+template <>
+auto NodeErrorCodeCategory ::message(Node::ErrorCodeEnum error_enum) const -> std::string {
+    switch (error_enum) {
+        case Node::ErrorCodeEnum::PlaceholderError:
+            return "This is a placeholder error code enum";
+        default:
+            return "Unknown error code enum";
+    }
+}

src/spider/tdl/parser/ast/Node.hpp

@@ -0,0 +1,27 @@
+#ifndef SPIDER_TDL_PARSER_AST_NODE_HPP
+#define SPIDER_TDL_PARSER_AST_NODE_HPP
+
+#include <cstdint>
+
+#include <ystdlib/error_handling/ErrorCode.hpp>
+
+namespace spider::tdl::parser::ast {
+/**
+ * Abstracted base class for all AST nodes in the TDL.
+ */
+class Node {
+public:
+    // Types
+    enum class ErrorCodeEnum : uint8_t {
+        PlaceholderError = 1,
+    };
+
+    using ErrorCode = ystdlib::error_handling::ErrorCode<ErrorCodeEnum>;
+
+private:
+};
+}  // namespace spider::tdl::parser::ast
+
+YSTDLIB_ERROR_HANDLING_MARK_AS_ERROR_CODE_ENUM(spider::tdl::parser::ast::Node::ErrorCodeEnum);
+
+#endif  // SPIDER_TDL_PARSER_AST_NODE_HPP

tests/CMakeLists.txt

@@ -2,6 +2,7 @@ set(SPIDER_TEST_SOURCES
     storage/test-DataStorage.cpp
     storage/test-MetadataStorage.cpp
     storage/StorageTestHelper.hpp
+    tdl/test-parser-ast.cpp
     utils/CoreDataUtils.hpp
     utils/CoreTaskUtils.hpp
     utils/CoreTaskUtils.cpp
@@ -39,6 +40,7 @@ target_link_libraries(
     PRIVATE
         spider_core
         spider_client
+        spider_tdl
 )
 target_link_libraries(
     unitTest

tests/tdl/test-parser-ast.cpp

@@ -0,0 +1,18 @@
+// NOLINTBEGIN(cert-err58-cpp,cppcoreguidelines-avoid-do-while,readability-function-cognitive-complexity,cppcoreguidelines-avoid-non-const-global-variables,cppcoreguidelines-avoid-c-arrays,modernize-avoid-c-arrays)
+
+#include <catch2/catch_test_macros.hpp>
+#include <ystdlib/error_handling/Result.hpp>
+
+#include <spider/tdl/parser/ast/Node.hpp>
+
+namespace {
+TEST_CASE("test-ast-node", "[tdl][ast][Node]") {
+    using spider::tdl::parser::ast::Node;
+    using ystdlib::error_handling::Result;
+
+    Result<void> const result{Node::ErrorCode{Node::ErrorCodeEnum::PlaceholderError}};
+    REQUIRE(result.has_error());
+}
+}  // namespace
+
+// NOLINTEND(cert-err58-cpp,cppcoreguidelines-avoid-do-while,readability-function-cognitive-complexity,cppcoreguidelines-avoid-non-const-global-variables,cppcoreguidelines-avoid-c-arrays,modernize-avoid-c-arrays)