build(antlr): 引入第三方 ANTLR4 runtime/tool 并接入构建

third_party/antlr4-runtime-4.13.2/CMakeLists.txt

@@ -0,0 +1,38 @@
+cmake_minimum_required(VERSION 3.15)
+
+project(antlr4_runtime_vendor LANGUAGES CXX)
+
+# 仅构建静态库运行时；生成器（antlr jar）不在 CMake 内集成（按仓库约定不提供脚本）。
+add_library(antlr4_runtime STATIC)
+
+target_compile_features(antlr4_runtime PUBLIC cxx_std_17)
+
+target_include_directories(antlr4_runtime PUBLIC
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/atn"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/dfa"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/internal"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/misc"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/support"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/tree"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/tree/pattern"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/tree/xpath"
+)
+
+file(GLOB_RECURSE ANTLR4_RUNTIME_SOURCES CONFIGURE_DEPENDS
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/atn/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/dfa/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/internal/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/misc/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/support/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/tree/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/tree/pattern/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/runtime/src/tree/xpath/*.cpp"
+)
+target_sources(antlr4_runtime PRIVATE ${ANTLR4_RUNTIME_SOURCES})
+
+# Linux/Unix 下需要 pthread 以保证 std::call_once 等线程相关行为正确
+find_package(Threads REQUIRED)
+target_link_libraries(antlr4_runtime PUBLIC Threads::Threads)
+