cmake_minimum_required(VERSION 2.8.12)
project(WRAITH_LANG C)

set(CMAKE_C_STANDARD 99)

# Build Type
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
	# By default, we use Release
	message(STATUS "Setting build type to 'Release' as none was specified.")
	set(CMAKE_BUILD_TYPE "Release" CACHE
		STRING "Choose the type of build." FORCE
	)

	# Set the possible values of build type for cmake-gui
	set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
		STRINGS "Debug" "Release" "RelWithDebInfo"
	)
endif()

find_package(BISON)
find_package(FLEX)
find_package(LLVM)

include_directories(${CMAKE_SOURCE_DIR})

BISON_TARGET(Parser generators/wraith.y ${CMAKE_CURRENT_BINARY_DIR}/y.tab.c COMPILE_FLAGS "-d -v -t")
FLEX_TARGET(Scanner generators/wraith.lex ${CMAKE_CURRENT_BINARY_DIR}/lex.yy.c)

ADD_FLEX_BISON_DEPENDENCY(Scanner Parser)

include_directories(${CMAKE_CURRENT_BINARY_DIR})

add_executable(
    wraith
	# Libs
	lib/dropt/dropt.h
	lib/dropt/dropt_string.h
	lib/dropt/dropt.c
	lib/dropt/dropt_string.c
	lib/dropt/dropt_handlers.c
	# Source
	src/ast.h
	src/codegen.h
	src/parser.h
	src/stack.h
    src/ast.c
	src/codegen.c
	src/parser.c
    src/stack.c
	src/main.c
	# Generated code
    ${BISON_Parser_OUTPUTS}
    ${FLEX_Scanner_OUTPUTS}
)

if(NOT MSVC)
	set_property(TARGET wraith PROPERTY COMPILE_FLAGS "-std=gnu99 -Wall -Wno-strict-aliasing -pedantic")
endif()

target_link_libraries(wraith PUBLIC LLVM)