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

CMakeLists.txt

@@ -24,6 +24,8 @@ target_include_directories(build_options INTERFACE
   "${PROJECT_SOURCE_DIR}/include"
   "${PROJECT_SOURCE_DIR}/src"
   "${ANTLR4_GENERATED_DIR}"
+  # 兼容未使用 -Xexact-output-dir 时 ANTLR 可能生成到的子目录结构
+  "${ANTLR4_GENERATED_DIR}/src/antlr4"
 )
 
 option(COMPILER_ENABLE_WARNINGS "Enable common compiler warnings" ON)
@@ -35,22 +37,41 @@ if(COMPILER_ENABLE_WARNINGS)
   endif()
 endif()
 
-# 尝试查找系统 ANTLR4 runtime；找不到则提供占位 target，便于先配置工程
-find_package(antlr4-runtime CONFIG QUIET)
+# 使用仓库内 third_party 提供的 ANTLR4 C++ runtime（较新版本）
+# third_party 目录结构以仓库为准：runtime 源码位于 third_party/antlr4-runtime-4.13.2/runtime/src
+set(ANTLR4_RUNTIME_SRC_DIR "${PROJECT_SOURCE_DIR}/third_party/antlr4-runtime-4.13.2/runtime/src")
 
-set(ANTLR4_RUNTIME_TARGET "")
-if(TARGET antlr4_shared)
-  set(ANTLR4_RUNTIME_TARGET antlr4_shared)
-elseif(TARGET antlr4_static)
-  set(ANTLR4_RUNTIME_TARGET antlr4_static)
-elseif(TARGET antlr4-runtime)
-  set(ANTLR4_RUNTIME_TARGET antlr4-runtime)
-endif()
+add_library(antlr4_runtime STATIC)
+target_compile_features(antlr4_runtime PUBLIC cxx_std_17)
 
-if(ANTLR4_RUNTIME_TARGET STREQUAL "")
-  add_library(antlr4_runtime_fallback INTERFACE)
-  set(ANTLR4_RUNTIME_TARGET antlr4_runtime_fallback)
-  message(STATUS "antlr4-runtime 未找到：将以占位 target 配置工程；需要 ANTLR 功能时请安装/引入 antlr4-runtime。")
-endif()
+target_include_directories(antlr4_runtime PUBLIC
+  "${ANTLR4_RUNTIME_SRC_DIR}"
+  "${ANTLR4_RUNTIME_SRC_DIR}/atn"
+  "${ANTLR4_RUNTIME_SRC_DIR}/dfa"
+  "${ANTLR4_RUNTIME_SRC_DIR}/internal"
+  "${ANTLR4_RUNTIME_SRC_DIR}/misc"
+  "${ANTLR4_RUNTIME_SRC_DIR}/support"
+  "${ANTLR4_RUNTIME_SRC_DIR}/tree"
+  "${ANTLR4_RUNTIME_SRC_DIR}/tree/pattern"
+  "${ANTLR4_RUNTIME_SRC_DIR}/tree/xpath"
+)
+
+file(GLOB_RECURSE ANTLR4_RUNTIME_SOURCES CONFIGURE_DEPENDS
+  "${ANTLR4_RUNTIME_SRC_DIR}/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/atn/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/dfa/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/internal/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/misc/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/support/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/tree/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/tree/pattern/*.cpp"
+  "${ANTLR4_RUNTIME_SRC_DIR}/tree/xpath/*.cpp"
+)
+target_sources(antlr4_runtime PRIVATE ${ANTLR4_RUNTIME_SOURCES})
+
+find_package(Threads REQUIRED)
+target_link_libraries(antlr4_runtime PUBLIC Threads::Threads)
+
+set(ANTLR4_RUNTIME_TARGET antlr4_runtime)
 
 add_subdirectory(src)