Added optional Lua lexer support.

This support is disabled by default and must be enabled via compile-time option.

1 files changed, 140 insertions, 0 deletions

diff --git a/lexlua/cmake.lua b/lexlua/cmake.lua
new file mode 100644
index 000000000..0d3b3c5d4
--- /dev/null
+++ b/lexlua/cmake.lua
@@ -0,0 +1,140 @@
+-- Copyright 2006-2018 Mitchell mitchell.att.foicica.com. See License.txt.
+-- CMake LPeg lexer.
+
+local lexer = require('lexer')
+local token, word_match = lexer.token, lexer.word_match
+local P, R, S = lpeg.P, lpeg.R, lpeg.S
+
+local lex = lexer.new('cmake')
+
+-- Whitespace.
+lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
+
+-- Keywords.
+lex:add_rule('keyword', token(lexer.KEYWORD, word_match([[
+  IF ENDIF FOREACH ENDFOREACH WHILE ENDWHILE ELSE ELSEIF
+]], true)))
+
+-- Commands.
+lex:add_rule('command', token(lexer.FUNCTION, word_match([[
+  ADD_CUSTOM_COMMAND ADD_CUSTOM_TARGET ADD_DEFINITIONS ADD_DEPENDENCIES
+  ADD_EXECUTABLE ADD_LIBRARY ADD_SUBDIRECTORY ADD_TEST AUX_SOURCE_DIRECTORY
+  BUILD_COMMAND BUILD_NAME CMAKE_MINIMUM_REQUIRED CONFIGURE_FILE
+  CREATE_TEST_SOURCELIST ENABLE_LANGUAGE ENABLE_TESTING ENDMACRO EXEC_PROGRAM
+  EXECUTE_PROCESS EXPORT_LIBRARY_DEPENDENCIES FILE FIND_FILE FIND_LIBRARY
+  FIND_PACKAGE FIND_PATH FIND_PROGRAM FLTK_WRAP_UI GET_CMAKE_PROPERTY
+  GET_DIRECTORY_PROPERTY GET_FILENAME_COMPONENT GET_SOURCE_FILE_PROPERTY
+  GET_TARGET_PROPERTY GET_TEST_PROPERTY INCLUDE INCLUDE_DIRECTORIES
+  INCLUDE_EXTERNAL_MSPROJECT INCLUDE_REGULAR_EXPRESSION INSTALL INSTALL_FILES
+  INSTALL_PROGRAMS INSTALL_TARGETS LINK_DIRECTORIES LINK_LIBRARIES LIST
+  LOAD_CACHE LOAD_COMMAND MACRO MAKE_DIRECTORY MARK_AS_ADVANCED MATH MESSAGE
+  OPTION OUTPUT_REQUIRED_FILES PROJECT QT_WRAP_CPP QT_WRAP_UI REMOVE
+  REMOVE_DEFINITIONS SEPARATE_ARGUMENTS SET SET_DIRECTORY_PROPERTIES
+  SET_SOURCE_FILES_PROPERTIES SET_TARGET_PROPERTIES SET_TESTS_PROPERTIES
+  SITE_NAME SOURCE_GROUP STRING SUBDIR_DEPENDS SUBDIRS TARGET_LINK_LIBRARIES
+  TRY_COMPILE TRY_RUN USE_MANGLED_MESA UTILITY_SOURCE VARIABLE_REQUIRES
+  VTK_MAKE_INSTANTIATOR VTK_WRAP_JAVA VTK_WRAP_PYTHON VTK_WRAP_TCL WRITE_FILE
+]], true)))
+
+-- Constants.
+lex:add_rule('constant', token(lexer.CONSTANT, word_match([[
+  BOOL CACHE FALSE N NO ON OFF NOTFOUND TRUE
+]], true)))
+
+-- Variables.
+lex:add_rule('variable', token(lexer.VARIABLE, word_match[[
+  APPLE ARGS BORLAND CMAKE_AR CMAKE_BACKWARDS_COMPATIBILITY CMAKE_BASE_NAME
+  CMAKE_BINARY_DIR CMAKE_BUILD_TOOL CMAKE_BUILD_TYPE CMAKE_CACHEFILE_DIR
+  CMAKE_CACHE_MAJOR_VERSION CMAKE_CACHE_MINOR_VERSION
+  CMAKE_CACHE_RELEASE_VERSION CMAKE_C_COMPILE_OBJECT CMAKE_C_COMPILER
+  CMAKE_C_COMPILER_ARG1 CMAKE_C_COMPILER_ENV_VAR CMAKE_C_COMPILER_FULLPATH
+  CMAKE_C_COMPILER_LOADED CMAKE_C_COMPILER_WORKS CMAKE_C_CREATE_SHARED_LIBRARY
+  CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS CMAKE_C_CREATE_SHARED_MODULE
+  CMAKE_C_CREATE_STATIC_LIBRARY CMAKE_CFG_INTDIR CMAKE_C_FLAGS
+  CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_DEBUG_INIT CMAKE_C_FLAGS_INIT
+  CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_MINSIZEREL_INIT CMAKE_C_FLAGS_RELEASE
+  CMAKE_C_FLAGS_RELEASE_INIT CMAKE_C_FLAGS_RELWITHDEBINFO
+  CMAKE_C_FLAGS_RELWITHDEBINFO_INIT CMAKE_C_IGNORE_EXTENSIONS
+  CMAKE_C_INFORMATION_LOADED CMAKE_C_LINKER_PREFERENCE CMAKE_C_LINK_EXECUTABLE
+  CMAKE_C_LINK_FLAGS CMAKE_COLOR_MAKEFILE CMAKE_COMMAND CMAKE_COMPILER_IS_GNUCC
+  CMAKE_COMPILER_IS_GNUCC_RUN CMAKE_COMPILER_IS_GNUCXX
+  CMAKE_COMPILER_IS_GNUCXX_RUN CMAKE_C_OUTPUT_EXTENSION
+  CMAKE_C_SOURCE_FILE_EXTENSIONS CMAKE_CTEST_COMMAND CMAKE_CURRENT_BINARY_DIR
+  CMAKE_CURRENT_SOURCE_DIR CMAKE_CXX_COMPILE_OBJECT CMAKE_CXX_COMPILER
+  CMAKE_CXX_COMPILER_ARG1 CMAKE_CXX_COMPILER_ENV_VAR CMAKE_CXX_COMPILER_FULLPATH
+  CMAKE_CXX_COMPILER_LOADED CMAKE_CXX_COMPILER_WORKS
+  CMAKE_CXX_CREATE_SHARED_LIBRARY
+  CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS CMAKE_CXX_CREATE_SHARED_MODULE
+  CMAKE_CXX_CREATE_STATIC_LIBRARY CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG
+  CMAKE_CXX_FLAGS_DEBUG_INIT CMAKE_CXX_FLAGS_INIT CMAKE_CXX_FLAGS_MINSIZEREL
+  CMAKE_CXX_FLAGS_MINSIZEREL_INIT CMAKE_CXX_FLAGS_RELEASE
+  CMAKE_CXX_FLAGS_RELEASE_INIT CMAKE_CXX_FLAGS_RELWITHDEBINFO
+  CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT CMAKE_CXX_IGNORE_EXTENSIONS
+  CMAKE_CXX_INFORMATION_LOADED CMAKE_CXX_LINKER_PREFERENCE
+  CMAKE_CXX_LINK_EXECUTABLE CMAKE_CXX_LINK_FLAGS CMAKE_CXX_OUTPUT_EXTENSION
+  CMAKE_CXX_SOURCE_FILE_EXTENSIONS CMAKE_DL_LIBS CMAKE_EDIT_COMMAND
+  CMAKE_EXECUTABLE_SUFFIX CMAKE_EXE_LINKER_FLAGS CMAKE_EXE_LINKER_FLAGS_DEBUG
+  CMAKE_EXE_LINKER_FLAGS_MINSIZEREL CMAKE_EXE_LINKER_FLAGS_RELEASE
+  CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO CMAKE_FILES_DIRECTORY
+  CMAKE_FIND_APPBUNDLE CMAKE_FIND_FRAMEWORK CMAKE_FIND_LIBRARY_PREFIXES
+  CMAKE_FIND_LIBRARY_SUFFIXES CMAKE_GENERATOR CMAKE_HOME_DIRECTORY
+  CMAKE_INCLUDE_FLAG_C CMAKE_INCLUDE_FLAG_C_SEP CMAKE_INCLUDE_FLAG_CXX
+  CMAKE_INIT_VALUE CMAKE_INSTALL_PREFIX CMAKE_LIBRARY_PATH_FLAG
+  CMAKE_LINK_LIBRARY_FLAG CMAKE_LINK_LIBRARY_SUFFIX
+  CMAKE_MacOSX_Content_COMPILE_OBJECT CMAKE_MAJOR_VERSION CMAKE_MAKE_PROGRAM
+  CMAKE_MINOR_VERSION CMAKE_MODULE_EXISTS CMAKE_MODULE_LINKER_FLAGS
+  CMAKE_MODULE_LINKER_FLAGS_DEBUG CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL
+  CMAKE_MODULE_LINKER_FLAGS_RELEASE CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO
+  CMAKE_NUMBER_OF_LOCAL_GENERATORS CMAKE_OSX_ARCHITECTURES _CMAKE_OSX_MACHINE
+  CMAKE_OSX_SYSROOT CMAKE_PARENT_LIST_FILE CMAKE_PATCH_VERSION
+  CMAKE_PLATFORM_HAS_INSTALLNAME CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES
+  CMAKE_PLATFORM_ROOT_BIN CMAKE_PROJECT_NAME CMAKE_RANLIB CMAKE_ROOT
+  CMAKE_SHARED_LIBRARY_C_FLAGS CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS
+  CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS CMAKE_SHARED_LIBRARY_CXX_FLAGS
+  CMAKE_SHARED_LIBRARY_LINK_C_FLAGS CMAKE_SHARED_LIBRARY_PREFIX
+  CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP
+  CMAKE_SHARED_LIBRARY_SONAME_C_FLAG CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG
+  CMAKE_SHARED_LIBRARY_SUFFIX CMAKE_SHARED_LINKER_FLAGS
+  CMAKE_SHARED_LINKER_FLAGS_DEBUG CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL
+  CMAKE_SHARED_LINKER_FLAGS_RELEASE CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO
+  CMAKE_SHARED_MODULE_CREATE_C_FLAGS CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS
+  CMAKE_SHARED_MODULE_PREFIX CMAKE_SHARED_MODULE_SUFFIX CMAKE_SIZEOF_VOID_P
+  CMAKE_SKIP_RPATH CMAKE_SOURCE_DIR CMAKE_STATIC_LIBRARY_PREFIX
+  CMAKE_STATIC_LIBRARY_SUFFIX CMAKE_SYSTEM CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE
+  CMAKE_SYSTEM_AND_CXX_COMPILER_INFO_FILE CMAKE_SYSTEM_APPBUNDLE_PATH
+  CMAKE_SYSTEM_FRAMEWORK_PATH CMAKE_SYSTEM_INCLUDE_PATH CMAKE_SYSTEM_INFO_FILE
+  CMAKE_SYSTEM_LIBRARY_PATH CMAKE_SYSTEM_LOADED CMAKE_SYSTEM_NAME
+  CMAKE_SYSTEM_PROCESSOR CMAKE_SYSTEM_PROGRAM_PATH
+  CMAKE_SYSTEM_SPECIFIC_INFORMATION_LOADED CMAKE_SYSTEM_VERSION CMAKE_UNAME
+  CMAKE_USE_RELATIVE_PATHS CMAKE_VERBOSE_MAKEFILE CYGWIN EXECUTABLE_OUTPUT_PATH
+  FORCE HAVE_CMAKE_SIZEOF_VOID_P LIBRARY_OUTPUT_PATH LOCATION MACOSX_BUNDLE
+  MINGW MSVC MSVC60 MSVC70 MSVC71 MSVC80 MSVC_IDE POST_BUILD PRE_BUILD
+  PROJECT_BINARY_DIR PROJECT_NAME PROJECT_SOURCE_DIR RUN_CONFIGURE TARGET
+  UNIX WIN32
+]] + P('$') * lexer.delimited_range('{}', false, true)))
+
+-- Operators.
+lex:add_rule('operator', token(lexer.OPERATOR, word_match[[
+  AND COMMAND DEFINED DOC EQUAL EXISTS GREATER INTERNAL LESS MATCHES NAME NAMES
+  NAME_WE NOT OR PATH PATHS PROGRAM STREQUAL STRGREATER STRINGS STRLESS
+]] + S('=(){}')))
+
+-- Identifiers.
+lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word))
+
+-- Strings.
+lex:add_rule('string', token(lexer.STRING, lexer.delimited_range('"')))
+
+-- Comments.
+lex:add_rule('comment', token(lexer.COMMENT, '#' * lexer.nonnewline^0))
+
+-- Fold points.
+lex:add_fold_point(lexer.KEYWORD, 'IF', 'ENDIF')
+lex:add_fold_point(lexer.KEYWORD, 'FOREACH', 'ENDFOREACH')
+lex:add_fold_point(lexer.KEYWORD, 'WHILE', 'ENDWHILE')
+lex:add_fold_point(lexer.FUNCTION, 'MACRO', 'ENDMACRO')
+lex:add_fold_point(lexer.OPERATOR, '(', ')')
+lex:add_fold_point(lexer.OPERATOR, '{', '}')
+lex:add_fold_point(lexer.COMMENT, '#', lexer.fold_line_comments('#'))
+
+return lex