Commit 12e534c2 authored by Eon Jeong's avatar Eon Jeong Committed by Brad King

FindBISON: Add DEFINES_FILE option to pass --defines=FILE

parent eb859263
......@@ -22,6 +22,7 @@
#
# BISON_TARGET(<Name> <YaccInput> <CodeOutput>
# [COMPILE_FLAGS <flags>]
# [DEFINES_FILE <file>]
# [VERBOSE <file>]
# )
#
......@@ -35,6 +36,9 @@
# ``COMPILE_FLAGS <flags>``
# Specify flags to be added to the ``bison`` command line.
#
# ``DEFINES_FILE <file>``
# Specify a non-default header ``<file>`` to be generated by ``bison``.
#
# ``VERBOSE <file>``
# Tell ``bison`` to write verbose descriptions of the grammar and
# parser to the given ``<file>``.
......@@ -64,7 +68,8 @@
# .. code-block:: cmake
#
# find_package(BISON)
# BISON_TARGET(MyParser parser.y ${CMAKE_CURRENT_BINARY_DIR}/parser.cpp)
# BISON_TARGET(MyParser parser.y ${CMAKE_CURRENT_BINARY_DIR}/parser.cpp
# DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/parser.h)
# add_executable(Foo main.cpp ${BISON_MyParser_OUTPUTS})
#=============================================================================
......@@ -140,6 +145,12 @@ if(BISON_EXECUTABLE)
list(APPEND BISON_TARGET_cmdopt ${BISON_TARGET_extraopts})
endmacro()
# internal macro
macro(BISON_TARGET_option_defines Header)
set(BISON_TARGET_output_header "${Header}")
list(APPEND BISON_TARGET_cmdopt --defines=${BISON_TARGET_output_header})
endmacro()
#============================================================
# BISON_TARGET (public macro)
#============================================================
......@@ -154,6 +165,7 @@ if(BISON_EXECUTABLE)
set(BISON_TARGET_PARAM_ONE_VALUE_KEYWORDS
VERBOSE
COMPILE_FLAGS
DEFINES_FILE
)
set(BISON_TARGET_PARAM_MULTI_VALUE_KEYWORDS)
cmake_parse_arguments(
......@@ -173,14 +185,19 @@ if(BISON_EXECUTABLE)
if(NOT "${BISON_TARGET_ARG_COMPILE_FLAGS}" STREQUAL "")
BISON_TARGET_option_extraopts("${BISON_TARGET_ARG_COMPILE_FLAGS}")
endif()
if(NOT "${BISON_TARGET_ARG_DEFINES_FILE}" STREQUAL "")
BISON_TARGET_option_defines("${BISON_TARGET_ARG_DEFINES_FILE}")
endif()
# Header's name generated by bison (see option -d)
list(APPEND BISON_TARGET_cmdopt "-d")
string(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\2" _fileext "${BisonOutput}")
string(REPLACE "c" "h" _fileext ${_fileext})
string(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\1${_fileext}"
BISON_${Name}_OUTPUT_HEADER "${BisonOutput}")
list(APPEND BISON_TARGET_outputs "${BISON_${Name}_OUTPUT_HEADER}")
if("${BISON_TARGET_output_header}" STREQUAL "")
# Header's name generated by bison (see option -d)
list(APPEND BISON_TARGET_cmdopt "-d")
string(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\2" _fileext "${BisonOutput}")
string(REPLACE "c" "h" _fileext ${_fileext})
string(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\1${_fileext}"
BISON_TARGET_output_header "${BisonOutput}")
endif()
list(APPEND BISON_TARGET_outputs "${BISON_TARGET_output_header}")
add_custom_command(OUTPUT ${BISON_TARGET_outputs}
${BISON_TARGET_extraoutputs}
......@@ -196,6 +213,7 @@ if(BISON_EXECUTABLE)
set(BISON_${Name}_OUTPUTS ${BISON_TARGET_outputs})
set(BISON_${Name}_COMPILE_FLAGS ${BISON_TARGET_cmdopt})
set(BISON_${Name}_OUTPUT_SOURCE "${BisonOutput}")
set(BISON_${Name}_OUTPUT_HEADER "${BISON_TARGET_output_header}")
endif()
endmacro()
......
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