# This file provides various generators used by webkit.

# It will check for the programs and define the given executables:

#    PERL_EXECUTABLE

#    BISON_EXECUTABLE

#    GPERF_EXECUTABLE

#    FLEX_EXECUTABLE

INCLUDE (WebKitFS)

FIND_PACKAGE(Perl REQUIRED)

# - Create hash table *.lut.h

# GENERATE_HASH_LUT(input_file output_file)

MACRO(GENERATE_HASH_LUT _input _output)

    SET(HASH_LUT_GENERATOR "${JAVASCRIPTCORE_DIR}/create_hash_table")

    FOREACH (_tmp ${ARGN})

        IF (${_tmp} STREQUAL "MAIN_DEPENDENCY")

            SET(_main_dependency ${_input})

        ENDIF ()

    ENDFOREACH ()

    ADD_CUSTOM_COMMAND(

        OUTPUT ${_output}

        MAIN_DEPENDENCY ${_main_dependency}

        DEPENDS ${_input} ${HASH_LUT_GENERATOR}

        COMMAND ${PERL_EXECUTABLE} ${HASH_LUT_GENERATOR} ${_input} > ${_output}

        VERBATIM)

ENDMACRO()

# - Create hash table *.lut.h using at JavaScriptCore/runtime

# GENERATE_HASH_LUT_RUNTIME(source)

#

# The generated files lives in ${CMAKE_BINARY_DIR}/JavaScriptCore/runtime/

# and will have suffix ".lut.h"

#

# Input file is assumed to be in JavaScriptCore/runtime/${source}.cpp

MACRO(GENERATE_HASH_LUT_RUNTIME _file)

  ADD_CUSTOM_COMMAND(

    OUTPUT  ${CMAKE_BINARY_DIR}/JavaScriptCore/runtime/${_file}.lut.h

    DEPENDS ${JAVASCRIPTCORE_DIR}/runtime/${_file}.cpp  ${HASH_LUT_GENERATOR}

    COMMAND ${PERL_EXECUTABLE} ${HASH_LUT_GENERATOR} ${JAVASCRIPTCORE_DIR}/runtime/${_file}.cpp -i > ${CMAKE_BINARY_DIR}/JavaScriptCore/runtime/${_file}.lut.h

    VERBATIM)

  LIST(APPEND GENERATED_HASH_LUT_RUNTIME_FILES "${CMAKE_BINARY_DIR}/JavaScriptCore/runtime/${_file}.lut.h")

ENDMACRO()

FIND_PROGRAM (BISON_EXECUTABLE bison)

IF (NOT BISON_EXECUTABLE)

  MESSAGE(FATAL_ERROR "Missing bison")

ENDIF (NOT BISON_EXECUTABLE)

FIND_PACKAGE_HANDLE_STANDARD_ARGS(Bison DEFAULT_MSG BISON_EXECUTABLE)

# - Create a grammar using bison.

# GENERATE_GRAMMAR(prefix source_file)

#

# Reads a source_file (*.y) Generates the .cpp and .h files in

# ${DERIVED_SOURCES_DIR}

MACRO(GENERATE_GRAMMAR _prefix _source)

  GET_FILENAME_COMPONENT(_name ${_source} NAME_WE)

  SET(_out_base ${DERIVED_SOURCES_DIR}/${_name})

  ADD_CUSTOM_COMMAND(

    OUTPUT  ${_out_base}.cpp ${_out_base}.h

    DEPENDS ${_source}

    COMMAND ${BISON_EXECUTABLE} -p ${_prefix} ${_source} -o ${_out_base}.cpp --defines=${_out_base}.h

    VERBATIM)

  UNSET(_out_base)

  UNSET(_name)

ENDMACRO ()

FIND_PROGRAM(GPERF_EXECUTABLE gperf)

IF (NOT GPERF_EXECUTABLE)

  MESSAGE(FATAL_ERROR "Missing gperf")

ENDIF ()

FIND_PACKAGE_HANDLE_STANDARD_ARGS(GPerf DEFAULT_MSG GPERF_EXECUTABLE)

SET(PERF_HASH_GENERATOR ${WEBCORE_DIR}/make-hash-tools.pl)

# - Create perfect hash tables using gperf

# GENERATE_GPERF(extension source_file)

#

# The generated files lives in ${DERIVED_SOURCES_DIR} and ends in .cpp

MACRO(GENERATE_GPERF _source)

  GET_FILENAME_COMPONENT(_name ${_source} NAME_WE)

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/${_name}.cpp

    DEPENDS ${_source}

    COMMAND ${PERL_EXECUTABLE} ${PERF_HASH_GENERATOR} ${DERIVED_SOURCES_DIR} ${_source}

    VERBATIM)

ENDMACRO ()

# Modules that the bindings generator scripts may use

SET(SCRIPTS_BINDINGS

  ${WEBCORE_DIR}/bindings/scripts/CodeGenerator.pm

  ${WEBCORE_DIR}/bindings/scripts/IDLParser.pm

  ${WEBCORE_DIR}/bindings/scripts/IDLStructure.pm

  ${WEBCORE_DIR}/bindings/scripts/InFilesParser.pm)

SET(BINDING_CODE_GENERATOR ${WEBCORE_DIR}/bindings/scripts/generate-bindings.pl)

SET(JS_IDL_FILES "")

SET(Inspector_IDL_FILES "")

# - Create JS C++ code given an IDL input

# GENERATE_FROM_IDL(generator idl_source)

#

# The generated files (.cpp, .h) lives in ${DERIVED_SOURCES_DIR}.

#

# This function also appends the generated cpp file to JS_IDL_FILES list.

MACRO(GENERATE_JS_FROM_IDL _source)

  SET(FEATURE_DEFINES_STR "")

  FOREACH (f ${FEATURE_DEFINES})

    SET(FEATURE_DEFINES_STR "${FEATURE_DEFINES_STR} ${f}")

  ENDFOREACH ()

  GET_FILENAME_COMPONENT(_name ${_source} NAME_WE)

  ADD_CUSTOM_COMMAND(

    OUTPUT  ${DERIVED_SOURCES_DIR}/JS${_name}.cpp ${DERIVED_SOURCES_DIR}/JS${_name}.h

    DEPENDS ${BINDING_CODE_GENERATOR} ${SCRIPTS_BINDINGS} ${WEBCORE_DIR}/${_source}

    COMMAND ${PERL_EXECUTABLE} -I${WEBCORE_DIR}/bindings/scripts ${BINDING_CODE_GENERATOR} ${IDL_INCLUDES} --outputDir "${DERIVED_SOURCES_DIR}" --defines "LANGUAGE_JAVASCRIPT=1 ${FEATURE_DEFINES_STR}" --generator JS ${WEBCORE_DIR}/${_source}

    VERBATIM)

  LIST(APPEND JS_IDL_FILES ${DERIVED_SOURCES_DIR}/JS${_name}.cpp)

  UNSET(_name)

  UNSET(_defines)

ENDMACRO()

# - Create Inspector C++ code given an IDL input

# GENERATE_FROM_IDL(generator idl_source)

#

# The generated files (.cpp, .h) lives in ${DERIVED_SOURCES_DIR}.

#

# This function also appends the generated cpp file to Inspector_IDL_FILES list.

MACRO(GENERATE_INSPECTOR_FROM_IDL _source)

  SET(FEATURE_DEFINES_STR "")

  FOREACH (f ${FEATURE_DEFINES})

    SET(FEATURE_DEFINES_STR "${FEATURE_DEFINES_STR} ${f}")

  ENDFOREACH ()

  GET_FILENAME_COMPONENT(_name ${_source} NAME_WE)

  ADD_CUSTOM_COMMAND(

    OUTPUT  ${DERIVED_SOURCES_DIR}/Remote${_name}Frontend.cpp ${DERIVED_SOURCES_DIR}/Remote${_name}Frontend.h

    DEPENDS ${BINDING_CODE_GENERATOR} ${SCRIPTS_BINDINGS} ${WEBCORE_DIR}/${_source}

    COMMAND ${PERL_EXECUTABLE} -I${WEBCORE_DIR}/bindings/scripts -I${WEBCORE_DIR}/inspector ${BINDING_CODE_GENERATOR} ${IDL_INCLUDES} --outputDir "${DERIVED_SOURCES_DIR}" --defines "LANGUAGE_JAVASCRIPT=1 ${FEATURE_DEFINES_STR}" --generator Inspector ${WEBCORE_DIR}/${_source}

    VERBATIM)

  LIST(APPEND Inspector_IDL_FILES ${DERIVED_SOURCES_DIR}/Remote${_name}Frontend.cpp)

  UNSET(_name)

  UNSET(_defines)

ENDMACRO()

# - Create pure JavaScript functions (does nothing so far)

MACRO(GENERATE_JS_FROM_IDL_PURE _source)

   GET_FILENAME_COMPONENT(_name ${_source} NAME_WE)

   ADD_CUSTOM_COMMAND(

     OUTPUT  ${DERIVED_SOURCES_DIR}/JS${_name}.cpp ${DERIVED_SOURCES_DIR}/JS${_name}.h

     DEPENDS ${BINDING_CODE_GENERATOR} ${SCRIPTS_BINDINGS} ${WEBCORE_DIR}/${_source}

     COMMAND ${PERL_EXECUTABLE} -I${WEBCORE_DIR}/bindings/scripts ${BINDING_CODE_GENERATOR} ${IDL_INCLUDES} --outputDir "${DERIVED_SOURCES_DIR}" --defines "LANGUAGE_JAVASCRIPT=1 ${FEATURE_DEFINES_STR}" --generator JS ${WEBCORE_DIR}/${_source}

     VERBATIM)

   UNSET(_name)

ENDMACRO()

SET(NAMES_GENERATOR ${WEBCORE_DIR}/dom/make_names.pl)

# - Create DOM names and factory given tags and attributes as source.

# GENERATE_DOM_NAMES_FACTORY(namespace tags_source attributes_source [defines])

#

# The generated files lives in ${DERIVED_SOURCES_DIR}. The files will

# be named using the given namespace, such as:

#   - ${namespace}Names.cpp, ${namespace}Names.h;

#   - ${namespace}ElementFactory.cpp, ${namespace}ElementFactory.h;

#   - ${namespace}ElementWrapperFactory.cpp; ${namespace}ElementWrapperFactory.h

#

# If optional defines are given, then they will be speficied using

# --extraDefines directive to the generator script.

MACRO(GENERATE_DOM_NAMES_FACTORY _namespace _tags _attrs)

  UNSET(_extradef)

  FOREACH (f ${ARGN})

    SET(_extradef "${_extradef} ${f}")

  ENDFOREACH ()

  IF (_extradef)

    SET(_extradef --extraDefines=${_extradef})

  ENDIF ()

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/${_namespace}Names.cpp ${DERIVED_SOURCES_DIR}/${_namespace}Names.h ${DERIVED_SOURCES_DIR}/${_namespace}ElementFactory.cpp ${DERIVED_SOURCES_DIR}/${_namespace}ElementFactory.h ${DERIVED_SOURCES_DIR}/JS${_namespace}ElementWrapperFactory.cpp ${DERIVED_SOURCES_DIR}/JS${_namespace}ElementWrapperFactory.h

    DEPENDS ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS} ${_tags} ${_attrs}

    COMMAND ${PERL_EXECUTABLE} -I${WEBCORE_DIR}/bindings/scripts ${NAMES_GENERATOR} --tags ${_tags} --attrs ${_attrs} ${_extradef} --factory --wrapperFactory --outputDir ${DERIVED_SOURCES_DIR}

    VERBATIM)

  UNSET(_extradef)

ENDMACRO ()

# - Create DOM names only (no factories)

# GENERATE_DOM_NAMES_ONLY(namespace attributes_source)

#

# The generated files lives in ${DERIVED_SOURCES_DIR}. The files will

# be named using the given namespace, such as:

#   - ${namespace}Names.cpp, ${namespace}Names.h;

MACRO(GENERATE_DOM_NAMES_ONLY _namespace _attrs)

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/${_namespace}Names.cpp ${DERIVED_SOURCES_DIR}/${_namespace}Names.h

    DEPENDS ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS} ${_attrs}

    COMMAND ${PERL_EXECUTABLE} -I${WEBCORE_DIR}/bindings/scripts ${NAMES_GENERATOR} --attrs ${_attrs} --outputDir ${DERIVED_SOURCES_DIR}

    VERBATIM)

ENDMACRO()

# - Create ${CMAKE_BINARY_DIR}/JavaScriptCore/pcre/chartables.c

# GENERATE_DFTABLES()

MACRO(GENERATE_DFTABLES)

  ADD_CUSTOM_COMMAND(

    OUTPUT  ${CMAKE_BINARY_DIR}/JavaScriptCore/pcre/chartables.c

    DEPENDS ${JAVASCRIPTCORE_DIR}/pcre/dftables

    COMMAND ${PERL_EXECUTABLE} ${JAVASCRIPTCORE_DIR}/pcre/dftables ${CMAKE_BINARY_DIR}/JavaScriptCore/pcre/chartables.c

    VERBATIM)

ENDMACRO()

FIND_PROGRAM(FLEX_EXECUTABLE flex)

IF (NOT FLEX_EXECUTABLE)

  MESSAGE(FATAL_ERROR "Missing flex")

ENDIF ()

FIND_PACKAGE_HANDLE_STANDARD_ARGS(Flex DEFAULT_MSG FLEX_EXECUTABLE)

SET(MAKE_TOKENIZER ${WEBCORE_DIR}/css/maketokenizer)

# - Create ${DERIVED_SOURCES_DIR}/tokenizer.cpp

# GENERATE_TOKENIZER()

MACRO(GENERATE_TOKENIZER)

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/tokenizer.cpp

    DEPENDS ${WEBCORE_DIR}/css/tokenizer.flex ${MAKE_TOKENIZER}

    COMMAND ${FLEX_EXECUTABLE} -t ${WEBCORE_DIR}/css/tokenizer.flex | ${PERL_EXECUTABLE} ${MAKE_TOKENIZER} > ${DERIVED_SOURCES_DIR}/tokenizer.cpp

    VERBATIM)

ENDMACRO()

SET(USER_AGENT_STYLE_SHEETS

  ${WEBCORE_DIR}/css/html.css

  ${WEBCORE_DIR}/css/mathml.css

  ${WEBCORE_DIR}/css/quirks.css

  ${WEBCORE_DIR}/css/view-source.css

  ${WEBCORE_DIR}/css/svg.css

  ${WEBCORE_DIR}/css/wml.css

  ${WEBCORE_DIR}/css/mediaControls.css)

SET(USER_AGENT_STYLE_SHEETS_GENERATOR ${WEBCORE_DIR}/css/make-css-file-arrays.pl)

# - Create ${DERIVED_SOURCES_DIR}/UserAgentStyleSheetsData.cpp and

#   ${DERIVED_SOURCES_DIR}/UserAgentStyleSheets.h

# GENERATE_USER_AGENT_STYLES()

MACRO(GENERATE_USER_AGENT_STYLES)

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/UserAgentStyleSheetsData.cpp ${DERIVED_SOURCES_DIR}/UserAgentStyleSheets.h

    DEPENDS ${USER_AGENT_STYLE_SHEETS_GENERATOR} ${USER_AGENT_STYLE_SHEETS}

    COMMAND ${PERL_EXECUTABLE} ${USER_AGENT_STYLE_SHEETS_GENERATOR} ${DERIVED_SOURCES_DIR}/UserAgentStyleSheets.h ${DERIVED_SOURCES_DIR}/UserAgentStyleSheetsData.cpp ${USER_AGENT_STYLE_SHEETS}

    VERBATIM)

ENDMACRO ()

SET(CSS_VALUE_KEYWORDS

  ${WEBCORE_DIR}/css/CSSValueKeywords.in

  ${WEBCORE_DIR}/css/SVGCSSValueKeywords.in)

SET(CSS_VALUE_GENERATOR ${WEBCORE_DIR}/css/makevalues.pl)

# - Create ${DERIVED_SOURCES_DIR}/CSSValueKeywords.*

# GENERATE_CSS_VALUE_KEYWORDS()

MACRO(GENERATE_CSS_VALUE_KEYWORDS)

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/CSSValueKeywords.h ${DERIVED_SOURCES_DIR}/CSSValueKeywords.cpp ${DERIVED_SOURCES_DIR}/CSSValueKeywords.in ${DERIVED_SOURCES_DIR}/CSSValueKeywords.gperf

    DEPENDS ${CSS_VALUE_KEYWORDS} ${CSS_VALUE_GENERATOR}

    WORKING_DIRECTORY ${DERIVED_SOURCES_DIR}

    COMMAND ${PERL_EXECUTABLE} -ne "print lc" ${CSS_VALUE_KEYWORDS} > ${DERIVED_SOURCES_DIR}/CSSValueKeywords.in

    COMMAND ${PERL_EXECUTABLE} ${CSS_VALUE_GENERATOR}

    VERBATIM)

ENDMACRO ()

SET(CSS_PROPERTY_NAMES

  ${WEBCORE_DIR}/css/CSSPropertyNames.in

  ${WEBCORE_DIR}/css/SVGCSSPropertyNames.in)

SET(MAKE_CSS_PROP ${WEBCORE_DIR}/css/makeprop.pl)

# - Create ${DERIVED_SOURCES_DIR}/CSSPropertyNames.*

# GENERATE_CSS_PROPERTY_NAMES()

MACRO(GENERATE_CSS_PROPERTY_NAMES)

  ADD_CUSTOM_COMMAND(

    OUTPUT ${DERIVED_SOURCES_DIR}/CSSPropertyNames.h ${DERIVED_SOURCES_DIR}/CSSPropertyNames.cpp ${DERIVED_SOURCES_DIR}/CSSPropertyNames.in ${DERIVED_SOURCES_DIR}/CSSPropertyNames.gperf

    DEPENDS ${MAKE_CSS_PROP} ${CSS_PROPERTY_NAMES}

    WORKING_DIRECTORY ${DERIVED_SOURCES_DIR}

    COMMAND cat ${CSS_PROPERTY_NAMES} > ${DERIVED_SOURCES_DIR}/CSSPropertyNames.in

    COMMAND ${PERL_EXECUTABLE} ${MAKE_CSS_PROP}

    VERBATIM)

ENDMACRO ()