Added a meson syntax file

nvim/syntax/meson.vim

@@ -0,0 +1,92 @@
+" Vim syntax file
+" Language: Meson build
+" Maintainer: Ivan Gankevich <[email protected]>
+" Based on conf.vim by Bram Moolenaar
+
+if exists("b:current_syntax")
+    finish
+endif
+
+syn keyword mesonTodo contained TODO FIXME XXX
+syn match mesonComment "^#.*" contains=mesonTodo
+syn match mesonComment "\s#.*"ms=s+1 contains=mesonTodo
+syn region mesonString start=+'+ skip=+\\\\\|\\'+ end=+'+ oneline
+syn region mesonStringM start=+'''+ skip=+\\\\\|\\'+ end=+'''+
+
+" global objects
+syn keyword mesonGlobal meson host_machine target_machine build_machine
+
+" control flow
+syn keyword mesonBool true false
+syn keyword mesonCond if else endif elif and or not
+syn keyword mesonRepeat foreach endforeach
+
+" global builtin functions
+syn keyword mesonBuiltin
+    \ add_global_arguments
+    \ add_global_link_arguments
+    \ add_languages
+    \ add_project_arguments
+    \ add_project_link_arguments
+    \ add_test_setup
+    \ alias_target
+    \ assert
+    \ benchmark
+    \ both_libraries
+    \ build_target
+    \ configuration_data
+    \ configure_file
+    \ custom_target
+    \ declare_dependency
+    \ dependency
+    \ disabler
+    \ environment
+    \ error
+    \ executable
+    \ files
+    \ find_library
+    \ find_program
+    \ generator
+    \ get_option
+    \ gettext
+    \ get_variable
+    \ import
+    \ include_directories
+    \ install_data
+    \ install_headers
+    \ install_man
+    \ install_subdir
+    \ is_disabler
+    \ is_variable
+    \ jar
+    \ join_paths
+    \ library
+    \ message
+    \ option
+    \ project
+    \ run_command
+    \ run_target
+    \ set_variable
+    \ shared_library
+    \ shared_module
+    \ static_library
+    \ subdir
+    \ subdir_done
+    \ subproject
+    \ summary
+    \ test
+    \ vcs_tag
+    \ warning
+
+hi link mesonComment Comment
+hi link mesonTodo Todo
+hi link mesonString String
+hi link mesonStringM String
+hi link mesonBuiltin Function
+hi link mesonGlobal Keyword
+hi link mesonCond Conditional
+hi link mesonBool Boolean
+hi link mesonRepeat Repeat
+
+let b:current_syntax = "meson"
+