<?php
namespace Std\Lib\Syntax;

class Go extends Language {
  protected string $digitSep = '_';

  protected array $rules = [
    // 生文字列 `…`（複数行可）
    ['re' => '`[^`]*`?', 'class' => 'string'],
  ];

  protected array $tokens = [
    'keyword' => [
      'break', 'case', 'chan', 'const', 'continue', 'default', 'defer', 'else', 'fallthrough', 'for', 'func', 'go', 'goto', 'if', 'import', 'interface', 'map',
      'package', 'range', 'return', 'select', 'struct', 'switch', 'type', 'var',
    ],
    'constant' => [
      'true', 'false', 'iota', 'nil',
    ],
    'type' => [
      'uint8', 'uint16', 'uint32', 'uint64', 'int8', 'int16', 'int32', 'int64', 'float32', 'float64', 'complex64', 'complex128',
      'byte', 'rune', 'string', 'bool', 'uint', 'int', 'uintptr', 'error', 'any', 'comparable',
    ],
    'builtin' => [
      'append', 'cap', 'clear', 'close', 'complex', 'copy', 'delete', 'imag', 'len', 'make', 'max', 'min', 'new', 'panic', 'print', 'println', 'real', 'recover',
    ],
  ];
}