intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 123 insertions, 0 deletions

diff --git a/contrib/python/Pygments/py3/pygments/lexers/zig.py b/contrib/python/Pygments/py3/pygments/lexers/zig.py
new file mode 100644
index 0000000000..4a36832be5
--- /dev/null
+++ b/contrib/python/Pygments/py3/pygments/lexers/zig.py
@@ -0,0 +1,123 @@
+"""
+    pygments.lexers.zig
+    ~~~~~~~~~~~~~~~~~~~
+
+    Lexers for Zig.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, words
+from pygments.token import Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Whitespace
+
+__all__ = ['ZigLexer']
+
+
+class ZigLexer(RegexLexer):
+    """
+    For `Zig <http://www.ziglang.org>`_ source code.
+
+    grammar: https://ziglang.org/documentation/master/#Grammar
+    """
+    name = 'Zig'
+    aliases = ['zig']
+    filenames = ['*.zig']
+    mimetypes = ['text/zig']
+
+    type_keywords = (
+        words(('bool', 'f16', 'f32', 'f64', 'f128', 'void', 'noreturn', 'type',
+               'anyerror', 'promise', 'i0', 'u0', 'isize',  'usize', 'comptime_int',
+               'comptime_float', 'c_short', 'c_ushort', 'c_int', 'c_uint', 'c_long',
+               'c_ulong', 'c_longlong', 'c_ulonglong', 'c_longdouble', 'c_void'
+               'i8', 'u8', 'i16', 'u16', 'i32', 'u32', 'i64', 'u64', 'i128',
+               'u128'), suffix=r'\b'),
+        Keyword.Type)
+
+    storage_keywords = (
+        words(('const', 'var', 'extern', 'packed', 'export', 'pub', 'noalias',
+               'inline', 'comptime', 'nakedcc', 'stdcallcc', 'volatile', 'allowzero',
+               'align', 'linksection', 'threadlocal'), suffix=r'\b'),
+        Keyword.Reserved)
+
+    structure_keywords = (
+        words(('struct', 'enum', 'union', 'error'), suffix=r'\b'),
+        Keyword)
+
+    statement_keywords = (
+        words(('break', 'return', 'continue', 'asm', 'defer', 'errdefer',
+               'unreachable', 'try', 'catch', 'async', 'await', 'suspend',
+               'resume', 'cancel'), suffix=r'\b'),
+        Keyword)
+
+    conditional_keywords = (
+        words(('if', 'else', 'switch', 'and', 'or', 'orelse'), suffix=r'\b'),
+        Keyword)
+
+    repeat_keywords = (
+        words(('while', 'for'), suffix=r'\b'),
+        Keyword)
+
+    other_keywords = (
+        words(('fn', 'usingnamespace', 'test'), suffix=r'\b'),
+        Keyword)
+
+    constant_keywords = (
+        words(('true', 'false', 'null', 'undefined'), suffix=r'\b'),
+        Keyword.Constant)
+
+    tokens = {
+        'root': [
+            (r'\n', Whitespace),
+            (r'\s+', Whitespace),
+            (r'//.*?\n', Comment.Single),
+
+            # Keywords
+            statement_keywords,
+            storage_keywords,
+            structure_keywords,
+            repeat_keywords,
+            type_keywords,
+            constant_keywords,
+            conditional_keywords,
+            other_keywords,
+
+            # Floats
+            (r'0x[0-9a-fA-F]+\.[0-9a-fA-F]+([pP][\-+]?[0-9a-fA-F]+)?', Number.Float),
+            (r'0x[0-9a-fA-F]+\.?[pP][\-+]?[0-9a-fA-F]+', Number.Float),
+            (r'[0-9]+\.[0-9]+([eE][-+]?[0-9]+)?', Number.Float),
+            (r'[0-9]+\.?[eE][-+]?[0-9]+', Number.Float),
+
+            # Integers
+            (r'0b[01]+', Number.Bin),
+            (r'0o[0-7]+', Number.Oct),
+            (r'0x[0-9a-fA-F]+', Number.Hex),
+            (r'[0-9]+', Number.Integer),
+
+            # Identifier
+            (r'@[a-zA-Z_]\w*', Name.Builtin),
+            (r'[a-zA-Z_]\w*', Name),
+
+            # Characters
+            (r'\'\\\'\'', String.Escape),
+            (r'\'\\(x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{6}|[nr\\t\'"])\'',
+             String.Escape),
+            (r'\'[^\\\']\'', String),
+
+            # Strings
+            (r'\\\\[^\n]*', String.Heredoc),
+            (r'c\\\\[^\n]*', String.Heredoc),
+            (r'c?"', String, 'string'),
+
+            # Operators, Punctuation
+            (r'[+%=><|^!?/\-*&~:]', Operator),
+            (r'[{}()\[\],.;]', Punctuation)
+        ],
+        'string': [
+            (r'\\(x[a-fA-F0-9]{2}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{6}|[nr\\t\'"])',
+             String.Escape),
+            (r'[^\\"\n]+', String),
+            (r'"', String, '#pop')
+        ]
+    }