tiny.smg.tree.runtime.abi

1const std = @import("std");23pub const State = u16;4pub const Symbol = u16;5pub const Field = u16;67pub const end_symbol: Symbol = 0;8pub const error_symbol: Symbol = std.math.maxInt(Symbol);9pub const serialization_capacity = 1024;1011pub const Point = extern struct {12    row: u32,13    column: u32,14};1516pub const FieldMapEntry = extern struct {17    field_id: Field,18    child_index: u8,19    inherited: bool,20};2122pub const MapSlice = extern struct {23    index: u16,24    length: u16,25};2627pub const SymbolMetadata = extern struct {28    visible: bool,29    named: bool,30    supertype: bool,31};3233pub const Lexer = extern struct {34    lookahead: i32,35    result_symbol: Symbol,36    advance: *const fn (*Lexer, bool) callconv(.c) void,37    mark_end: *const fn (*Lexer) callconv(.c) void,38    get_column: *const fn (*Lexer) callconv(.c) u32,39    is_at_included_range_start: *const fn (*const Lexer) callconv(.c) bool,40    eof: *const fn (*const Lexer) callconv(.c) bool,41    log: ?*const fn (*const Lexer, [*:0]const u8, ...) callconv(.c) void,42};4344pub const ActionType = enum(u8) {45    shift,46    reduce,47    accept,48    recover,49};5051pub const Shift = extern struct {52    type: u8,53    state: State,54    extra: bool,55    repetition: bool,56};5758pub const Reduce = extern struct {59    type: u8,60    child_count: u8,61    symbol: Symbol,62    dynamic_precedence: i16,63    production_id: u16,64};6566pub const Action = extern union {67    shift: Shift,68    reduce: Reduce,69    type: u8,70};7172pub const ActionEntry = extern union {73    action: Action,74    entry: extern struct {75        count: u8,76        reusable: bool,77    },78};7980pub const LexMode14 = extern struct {81    lex_state: u16,82    external_lex_state: u16,83};8485pub const LexMode15 = extern struct {86    lex_state: u16,87    external_lex_state: u16,88    reserved_word_set_id: u16,89};9091pub const ExternalScanner = extern struct {92    states: ?[*]const bool,93    symbol_map: ?[*]const Symbol,94    create: ?*const fn () callconv(.c) ?*anyopaque,95    destroy: ?*const fn (?*anyopaque) callconv(.c) void,96    scan: ?*const fn (?*anyopaque, *Lexer, [*]const bool) callconv(.c) bool,97    serialize: ?*const fn (?*anyopaque, [*]u8) callconv(.c) c_uint,98    deserialize: ?*const fn (?*anyopaque, [*]const u8, c_uint) callconv(.c) void,99};100101pub const Metadata = extern struct {102    major_version: u8,103    minor_version: u8,104    patch_version: u8,105};106107pub const Language = extern struct {108    abi_version: u32,109    symbol_count: u32,110    alias_count: u32,111    token_count: u32,112    external_token_count: u32,113    state_count: u32,114    large_state_count: u32,115    production_id_count: u32,116    field_count: u32,117    max_alias_sequence_length: u16,118    parse_table: ?[*]const u16,119    small_parse_table: ?[*]const u16,120    small_parse_table_map: ?[*]const u32,121    parse_actions: ?[*]const ActionEntry,122    symbol_names: ?[*]const [*:0]const u8,123    field_names: ?[*]const [*:0]allowzero const u8,124    field_map_slices: ?[*]const MapSlice,125    field_map_entries: ?[*]const FieldMapEntry,126    symbol_metadata: ?[*]const SymbolMetadata,127    public_symbol_map: ?[*]const Symbol,128    alias_map: ?[*]const Symbol,129    alias_sequences: ?[*]const Symbol,130    lex_modes: ?*const anyopaque,131    lex_fn: ?*const fn (*Lexer, State) callconv(.c) bool,132    keyword_lex_fn: ?*const fn (*Lexer, State) callconv(.c) bool,133    keyword_capture_token: Symbol,134    external_scanner: ExternalScanner,135    primary_state_ids: ?[*]const State,136    name: ?[*:0]const u8,137    reserved_words: ?[*]const Symbol,138    max_reserved_word_set_size: u16,139    supertype_count: u32,140    supertype_symbols: ?[*]const Symbol,141    supertype_map_slices: ?[*]const MapSlice,142    supertype_map_entries: ?[*]const Symbol,143    metadata: Metadata,144};145146test "generated grammar ABI has exact common layouts" {147    try std.testing.expectEqual(@as(usize, 4), @sizeOf(FieldMapEntry));148    try std.testing.expectEqual(@as(usize, 4), @sizeOf(MapSlice));149    try std.testing.expectEqual(@as(usize, 3), @sizeOf(SymbolMetadata));150    try std.testing.expectEqual(@as(usize, 6), @sizeOf(Shift));151    try std.testing.expectEqual(@as(usize, 8), @sizeOf(Reduce));152    try std.testing.expectEqual(@as(usize, 4), @sizeOf(LexMode14));153    try std.testing.expectEqual(@as(usize, 6), @sizeOf(LexMode15));154}

1pub const abi = @import("abi.zig");