1# -*- coding: utf-8 -*- 2""" 3 pygments.lexers.zig 4 ~~~~~~~~~~~~~~~~~~~ 5 6 Lexers for Zig. 7 8 :copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS. 9 :license: BSD, see LICENSE for details. 10""" 11 12from pygments.lexer import RegexLexer, words 13from pygments.token import Comment, Operator, Keyword, Name, String, \ 14 Number, Punctuation, Whitespace 15 16__all__ = ['ZigLexer'] 17 18 19class ZigLexer(RegexLexer): 20 """ 21 For `Zig <http://www.ziglang.org>`_ source code. 22 23 grammar: https://ziglang.org/documentation/master/#Grammar 24 """ 25 name = 'Zig' 26 aliases = ['zig'] 27 filenames = ['*.zig'] 28 mimetypes = ['text/zig'] 29 30 type_keywords = ( 31 words(('bool', 'f16', 'f32', 'f64', 'f128', 'void', 'noreturn', 'type', 32 'anyerror', 'promise', 'i0', 'u0', 'isize', 'usize', 'comptime_int', 33 'comptime_float', 'c_short', 'c_ushort', 'c_int', 'c_uint', 'c_long', 34 'c_ulong', 'c_longlong', 'c_ulonglong', 'c_longdouble', 'c_void' 35 'i8', 'u8', 'i16', 'u16', 'i32', 'u32', 'i64', 'u64', 'i128', 36 'u128'), suffix=r'\b'), 37 Keyword.Type) 38 39 storage_keywords = ( 40 words(('const', 'var', 'extern', 'packed', 'export', 'pub', 'noalias', 41 'inline', 'comptime', 'nakedcc', 'stdcallcc', 'volatile', 'allowzero', 42 'align', 'linksection', 'threadlocal'), suffix=r'\b'), 43 Keyword.Reserved) 44 45 structure_keywords = ( 46 words(('struct', 'enum', 'union', 'error'), suffix=r'\b'), 47 Keyword) 48 49 statement_keywords = ( 50 words(('break', 'return', 'continue', 'asm', 'defer', 'errdefer', 51 'unreachable', 'try', 'catch', 'async', 'await', 'suspend', 52 'resume', 'cancel'), suffix=r'\b'), 53 Keyword) 54 55 conditional_keywords = ( 56 words(('if', 'else', 'switch', 'and', 'or', 'orelse'), suffix=r'\b'), 57 Keyword) 58 59 repeat_keywords = ( 60 words(('while', 'for'), suffix=r'\b'), 61 Keyword) 62 63 other_keywords = ( 64 words(('fn', 'usingnamespace', 'test'), suffix=r'\b'), 65 Keyword) 66 67 constant_keywords = ( 68 words(('true', 'false', 'null', 'undefined'), suffix=r'\b'), 69 Keyword.Constant) 70 71 tokens = { 72 'root': [ 73 (r'\n', Whitespace), 74 (r'\s+', Whitespace), 75 (r'//.*?\n', Comment.Single), 76 77 # Keywords 78 statement_keywords, 79 storage_keywords, 80 structure_keywords, 81 repeat_keywords, 82 type_keywords, 83 constant_keywords, 84 conditional_keywords, 85 other_keywords, 86 87 # Floats 88 (r'0x[0-9a-fA-F]+\.[0-9a-fA-F]+([pP][\-+]?[0-9a-fA-F]+)?', Number.Float), 89 (r'0x[0-9a-fA-F]+\.?[pP][\-+]?[0-9a-fA-F]+', Number.Float), 90 (r'[0-9]+\.[0-9]+([eE][-+]?[0-9]+)?', Number.Float), 91 (r'[0-9]+\.?[eE][-+]?[0-9]+', Number.Float), 92 93 # Integers 94 (r'0b[01]+', Number.Bin), 95 (r'0o[0-7]+', Number.Oct), 96 (r'0x[0-9a-fA-F]+', Number.Hex), 97 (r'[0-9]+', Number.Integer), 98 99 # Identifier 100 (r'@[a-zA-Z_]\w*', Name.Builtin), 101 (r'[a-zA-Z_]\w*', Name), 102 103 # Characters 104 (r'\'\\\'\'', String.Escape), 105 (r'\'\\(x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{6}|[nr\\t\'"])\'', 106 String.Escape), 107 (r'\'[^\\\']\'', String), 108 109 # Strings 110 (r'\\\\[^\n]*', String.Heredoc), 111 (r'c\\\\[^\n]*', String.Heredoc), 112 (r'c?"', String, 'string'), 113 114 # Operators, Punctuation 115 (r'[+%=><|^!?/\-*&~:]', Operator), 116 (r'[{}()\[\],.;]', Punctuation) 117 ], 118 'string': [ 119 (r'\\(x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{6}|[nr\\t\'"])', 120 String.Escape), 121 (r'[^\\"\n]+', String), 122 (r'"', String, '#pop') 123 ] 124 } 125