diff options
Diffstat (limited to 'pygments/lexers/crystal.py')
| -rw-r--r-- | pygments/lexers/crystal.py | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/pygments/lexers/crystal.py b/pygments/lexers/crystal.py index 78c70b61..bea4833f 100644 --- a/pygments/lexers/crystal.py +++ b/pygments/lexers/crystal.py @@ -5,25 +5,22 @@ Lexer for Crystal. - :copyright: Copyright 2006-2016 by the Pygments team, see AUTHORS. + :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ import re -from pygments.lexer import Lexer, RegexLexer, ExtendedRegexLexer, include, \ - bygroups, default, LexerContext, do_insertions, words +from pygments.lexer import ExtendedRegexLexer, include, \ + bygroups, default, LexerContext, words from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ - Number, Punctuation, Error, Generic -from pygments.util import shebang_matches + Number, Punctuation, Error __all__ = ['CrystalLexer'] line_re = re.compile('.*?\n') - - CRYSTAL_OPERATORS = [ '!=', '!~', '!', '%', '&&', '&', '**', '*', '+', '-', '/', '<=>', '<<', '<=', '<', '===', '==', '=~', '=', '>=', '>>', '>', '[]=', '[]?', '[]', '^', '||', '|', '~' @@ -33,6 +30,8 @@ CRYSTAL_OPERATORS = [ class CrystalLexer(ExtendedRegexLexer): """ For `Crystal <http://crystal-lang.org>`_ source code. + + .. versionadded:: 2.2 """ name = 'Crystal' @@ -48,9 +47,9 @@ class CrystalLexer(ExtendedRegexLexer): start = match.start(1) yield start, Operator, match.group(1) # <<-? - yield match.start(2), String.Heredoc, match.group(2) # quote ", ', ` - yield match.start(3), String.Delimiter, match.group(3) # heredoc name - yield match.start(4), String.Heredoc, match.group(4) # quote again + yield match.start(2), String.Heredoc, match.group(2) # quote ", ', ` + yield match.start(3), String.Delimiter, match.group(3) # heredoc name + yield match.start(4), String.Heredoc, match.group(4) # quote again heredocstack = ctx.__dict__.setdefault('heredocstack', []) outermost = not bool(heredocstack) @@ -211,17 +210,21 @@ class CrystalLexer(ExtendedRegexLexer): # macros (words(''' debugger record pp assert_responds_to spawn parallel - getter setter property delegate def_hash def_equals def_equals_and_hash forward_missing_to + getter setter property delegate def_hash def_equals def_equals_and_hash + forward_missing_to '''.split(), suffix=r'\b'), Name.Builtin.Pseudo), (r'getter[!?]|property[!?]|__(DIR|FILE|LINE)__\b', Name.Builtin.Pseudo), # builtins # http://crystal-lang.org/api/toplevel.html (words(''' Object Value Struct Reference Proc Class Nil Symbol Enum Void - Bool Number Int Int8 Int16 Int32 Int64 UInt8 UInt16 UInt32 UInt64 Float Float32 Float64 Char String + Bool Number Int Int8 Int16 Int32 Int64 UInt8 UInt16 UInt32 UInt64 + Float Float32 Float64 Char String Pointer Slice Range Exception Regex - Mutex StaticArray Array Hash Set Tuple Deque Box Process File Dir Time Channel Concurrent Scheduler - abort at_exit caller delay exit fork future get_stack_top gets lazy loop main p print printf puts + Mutex StaticArray Array Hash Set Tuple Deque Box Process File + Dir Time Channel Concurrent Scheduler + abort at_exit caller delay exit fork future get_stack_top gets + lazy loop main p print printf puts raise rand read_line sleep sprintf system with_color '''.split(), prefix=r'(?<!\.)', suffix=r'\b'), Name.Builtin), # normal heredocs @@ -274,12 +277,16 @@ class CrystalLexer(ExtendedRegexLexer): bygroups(Number.Hex, Text, Operator)), (r'(0b[01]+(?:_[01]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?', bygroups(Number.Bin, Text, Operator)), - # 3 separate expressions for floats because any of the 3 optional parts makes it a float - (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)(?:e[+-]?[0-9]+)?(?:_?[f][0-9]+)?)(\s*)([/?])?', + # 3 separate expressions for floats because any of the 3 optional + # parts makes it a float + (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)(?:e[+-]?[0-9]+)?' + r'(?:_?f[0-9]+)?)(\s*)([/?])?', bygroups(Number.Float, Text, Operator)), - (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)(?:_?[f][0-9]+)?)(\s*)([/?])?', + (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)' + r'(?:_?f[0-9]+)?)(\s*)([/?])?', bygroups(Number.Float, Text, Operator)), - (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)?(?:_?[f][0-9]+))(\s*)([/?])?', + (r'((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)?' + r'(?:_?f[0-9]+))(\s*)([/?])?', bygroups(Number.Float, Text, Operator)), (r'(0\b|[1-9][\d]*(?:_\d+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?', bygroups(Number.Integer, Text, Operator)), @@ -301,7 +308,8 @@ class CrystalLexer(ExtendedRegexLexer): (r'\{%', String.Interpol, 'in-macro-control'), (r'\{\{', String.Interpol, 'in-macro-expr'), # attributes - (r'(@\[)(\s*)([A-Z]\w*)', bygroups(Operator, Text, Name.Decorator), 'in-attr'), + (r'(@\[)(\s*)([A-Z]\w*)', + bygroups(Operator, Text, Name.Decorator), 'in-attr'), # this is needed because Crystal attributes can look # like keywords (class) or like this: ` ?!? (words(CRYSTAL_OPERATORS, prefix=r'(\.|::)'), @@ -325,7 +333,8 @@ class CrystalLexer(ExtendedRegexLexer): ], 'classname': [ (r'[A-Z_]\w*', Name.Class), - (r'(\()(\s*)([A-Z_]\w*)(\s*)(\))', bygroups(Punctuation, Text, Name.Class, Text, Punctuation)), + (r'(\()(\s*)([A-Z_]\w*)(\s*)(\))', + bygroups(Punctuation, Text, Name.Class, Text, Punctuation)), default('#pop') ], 'in-intp': [ |