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[toc] / antlr4-cpp-runtime-4.9.2-source / cmake / antlr4-generator.cmake.in

diff --git a/antlr4-cpp-runtime-4.9.2-source/cmake/antlr4-generator.cmake.in b/antlr4-cpp-runtime-4.9.2-source/cmake/antlr4-generator.cmake.in
new file mode 100644 (file)
index 0000000..6399651
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/cmake/antlr4-generator.cmake.in
@@ -0,0 +1,181 @@
+set(ANTLR_VERSION @ANTLR_VERSION@)
+
+@PACKAGE_INIT@
+
+if (NOT ANTLR4_CPP_GENERATED_SRC_DIR)
+  set(ANTLR4_GENERATED_SRC_DIR ${CMAKE_BINARY_DIR}/antlr4_generated_src)
+endif()
+
+FIND_PACKAGE(Java COMPONENTS Runtime REQUIRED)
+
+#
+# The ANTLR generator will output the following files given the input file f.g4
+#
+# Input  -> f.g4
+# Output -> f.h
+#        -> f.cpp
+#
+# the following files will only be produced if there is a parser contained
+# Flag -visitor active
+# Output -> <f>BaseVisitor.h
+#        -> <f>BaseVisitor.cpp
+#        -> <f>Visitor.h
+#        -> <f>Visitor.cpp
+#
+# Flag -listener active
+# Output -> <f>BaseListener.h
+#        -> <f>BaseListener.cpp
+#        -> <f>Listener.h
+#        -> <f>Listener.cpp
+#
+# See documentation in markup
+#
+function(antlr4_generate
+    Antlr4_ProjectTarget
+    Antlr4_InputFile
+    Antlr4_GeneratorType
+    )
+
+  set( Antlr4_GeneratedSrcDir ${ANTLR4_GENERATED_SRC_DIR}/${Antlr4_ProjectTarget} )
+
+  get_filename_component(Antlr4_InputFileBaseName ${Antlr4_InputFile} NAME_WE )
+
+  list( APPEND Antlr4_GeneratorStatusMessage "Common Include-, Source- and Tokenfiles" )
+
+  if ( ${Antlr4_GeneratorType} STREQUAL "LEXER")
+    set(Antlr4_LexerBaseName "${Antlr4_InputFileBaseName}")
+    set(Antlr4_ParserBaseName "")
+  else()
+    if ( ${Antlr4_GeneratorType} STREQUAL "PARSER")
+      set(Antlr4_LexerBaseName "")
+      set(Antlr4_ParserBaseName "${Antlr4_InputFileBaseName}")
+    else()
+      if ( ${Antlr4_GeneratorType} STREQUAL "BOTH")
+        set(Antlr4_LexerBaseName "${Antlr4_InputFileBaseName}Lexer")
+        set(Antlr4_ParserBaseName "${Antlr4_InputFileBaseName}Parser")
+      else()
+        message(FATAL_ERROR "The third parameter must be LEXER, PARSER or BOTH")
+      endif ()
+    endif ()
+  endif ()
+
+  # Prepare list of generated targets
+  list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}.tokens" )
+  list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}.interp" )
+  list( APPEND DependentTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}.tokens" )
+
+  if ( NOT ${Antlr4_LexerBaseName} STREQUAL "" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_LexerBaseName}.h" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_LexerBaseName}.cpp" )
+  endif ()
+
+  if ( NOT ${Antlr4_ParserBaseName} STREQUAL "" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_ParserBaseName}.h" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_ParserBaseName}.cpp" )
+  endif ()
+
+  # process optional arguments ...
+
+  if ( ( ARGC GREATER_EQUAL 4 ) AND ARGV3 )
+    set(Antlr4_BuildListenerOption "-listener")
+
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}BaseListener.h" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}BaseListener.cpp" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}Listener.h" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}Listener.cpp" )
+
+    list( APPEND Antlr4_GeneratorStatusMessage ", Listener Include- and Sourcefiles" )
+  else()
+    set(Antlr4_BuildListenerOption "-no-listener")
+  endif ()
+
+  if ( ( ARGC GREATER_EQUAL 5 ) AND ARGV4 )
+    set(Antlr4_BuildVisitorOption "-visitor")
+
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}BaseVisitor.h" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}BaseVisitor.cpp" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}Visitor.h" )
+    list( APPEND Antlr4_GeneratedTargets "${Antlr4_GeneratedSrcDir}/${Antlr4_InputFileBaseName}Visitor.cpp" )
+
+    list( APPEND Antlr4_GeneratorStatusMessage ", Visitor Include- and Sourcefiles" )
+  else()
+    set(Antlr4_BuildVisitorOption "-no-visitor")
+  endif ()
+
+  if ( (ARGC GREATER_EQUAL 6 ) AND (NOT ${ARGV5} STREQUAL "") )
+    set(Antlr4_NamespaceOption "-package;${ARGV5}")
+
+    list( APPEND Antlr4_GeneratorStatusMessage " in Namespace ${ARGV5}" )
+  else()
+    set(Antlr4_NamespaceOption "")
+  endif ()
+
+  if ( (ARGC GREATER_EQUAL 7 ) AND (NOT ${ARGV6} STREQUAL "") )
+    set(Antlr4_AdditionalDependencies ${ARGV6})
+  else()
+    set(Antlr4_AdditionalDependencies "")
+  endif ()
+
+  if ( (ARGC GREATER_EQUAL 8 ) AND (NOT ${ARGV7} STREQUAL "") )
+    set(Antlr4_LibOption "-lib;${ARGV7}")
+
+    list( APPEND Antlr4_GeneratorStatusMessage " using Library ${ARGV7}" )
+  else()
+    set(Antlr4_LibOption "")
+  endif ()
+
+  if(NOT Java_FOUND)
+    message(FATAL_ERROR "Java is required to process grammar or lexer files! - Use 'FIND_PACKAGE(Java COMPONENTS Runtime REQUIRED)'")
+  endif()
+
+  if(NOT EXISTS "${ANTLR4_JAR_LOCATION}")
+    message(FATAL_ERROR "Unable to find antlr tool. ANTLR4_JAR_LOCATION:${ANTLR4_JAR_LOCATION}")
+  endif()
+
+  # The call to generate the files
+  add_custom_command(
+    OUTPUT ${Antlr4_GeneratedTargets}
+    # Remove target directory
+    COMMAND
+    ${CMAKE_COMMAND} -E remove_directory ${Antlr4_GeneratedSrcDir}
+    # Create target directory
+    COMMAND
+    ${CMAKE_COMMAND} -E make_directory ${Antlr4_GeneratedSrcDir}
+    COMMAND
+    # Generate files
+    "${Java_JAVA_EXECUTABLE}" -jar "${ANTLR4_JAR_LOCATION}" -Werror -Dlanguage=Cpp ${Antlr4_BuildListenerOption} ${Antlr4_BuildVisitorOption} ${Antlr4_LibOption} ${ANTLR4_GENERATED_OPTIONS} -o "${Antlr4_GeneratedSrcDir}" ${Antlr4_NamespaceOption} "${Antlr4_InputFile}"
+    WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+    MAIN_DEPENDENCY "${Antlr4_InputFile}"
+    DEPENDS ${Antlr4_AdditionalDependencies}
+    )
+
+  # set output variables in parent scope
+  set( ANTLR4_INCLUDE_DIR_${Antlr4_ProjectTarget} ${Antlr4_GeneratedSrcDir} PARENT_SCOPE)
+  set( ANTLR4_SRC_FILES_${Antlr4_ProjectTarget} ${Antlr4_GeneratedTargets} PARENT_SCOPE)
+  set( ANTLR4_TOKEN_FILES_${Antlr4_ProjectTarget} ${DependentTargets} PARENT_SCOPE)
+  set( ANTLR4_TOKEN_DIRECTORY_${Antlr4_ProjectTarget} ${Antlr4_GeneratedSrcDir} PARENT_SCOPE)
+
+  # export generated cpp files into list
+  foreach(generated_file ${Antlr4_GeneratedTargets})
+
+    if (NOT CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+      set_source_files_properties(
+        ${generated_file}
+        PROPERTIES
+        COMPILE_FLAGS -Wno-overloaded-virtual
+        )
+    endif ()
+
+    if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+      set_source_files_properties(
+        ${generated_file}
+        PROPERTIES
+        COMPILE_FLAGS -wd4251
+        )
+    endif ()
+
+  endforeach(generated_file)
+
+message(STATUS "Antlr4 ${Antlr4_ProjectTarget} - Building " ${Antlr4_GeneratorStatusMessage} )
+
+endfunction()