Move GoloLexer to jvm.py; add hello world example

Also fix an order problem found by regexlint.

1 files changed, 109 insertions, 2 deletions

diff --git a/pygments/lexers/jvm.py b/pygments/lexers/jvm.py
index 64c47b6e..457ee326 100644
--- a/pygments/lexers/jvm.py
+++ b/pygments/lexers/jvm.py
@@ -12,7 +12,7 @@
 import re
 
 from pygments.lexer import Lexer, RegexLexer, include, bygroups, using, \
-     this
+     this, combined
 from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
      Number, Punctuation
 from pygments import unistring as uni
@@ -21,7 +21,7 @@ from pygments import unistring as uni
 __all__ = ['JavaLexer', 'ScalaLexer', 'GosuLexer', 'GosuTemplateLexer',
            'GroovyLexer', 'IokeLexer', 'ClojureLexer', 'ClojureScriptLexer',
            'KotlinLexer', 'XtendLexer', 'AspectJLexer', 'CeylonLexer',
-           'PigLexer']
+           'PigLexer', 'GoloLexer']
 
 
 class JavaLexer(RegexLexer):
@@ -1146,3 +1146,110 @@ class PigLexer(RegexLexer):
             (r'(==|<=|<|>=|>|!=)', Operator),
         ],
     }
+
+
+class GoloLexer(RegexLexer):
+    """
+    For `Golo <http://golo-lang.org/>`_ source code.
+
+    .. versionadded:: 2.0
+    """
+
+    name = 'Golo'
+    filenames = ['*.golo']
+    aliases = ['golo']
+
+    tokens = {
+        'root': [
+            (r'[^\S\n]+', Text),
+
+            (r'#.*$', Comment),
+
+            (r'(\^|\.\.\.|:|\?:|->|==|!=|=|\+|\*|%|/|<=|<|>=|>|=|\.)',
+                Operator),
+            (r'(?<=[^-])(-)(?=[^-])', Operator),
+
+            (r'(?<=[^`])(is|isnt|and|or|not|oftype|in|orIfNull)\b', Operator.Word),
+            (r'[]{}|(),[]', Punctuation),
+
+            (r'(module|import)(\s+)',
+                bygroups(Keyword.Namespace, Text),
+                'modname'),
+            (r'\b([a-zA-Z_][a-z$A-Z0-9._]*)(::)',  bygroups(Name.Namespace, Punctuation)),
+            (r'\b([a-zA-Z_][a-z$A-Z0-9_]*(?:\.[a-zA-Z_][a-z$A-Z0-9_]*)+)\b', Name.Namespace),
+
+            (r'(let|var)(\s+)',
+                bygroups(Keyword.Declaration, Text),
+                'varname'),
+            (r'(struct)(\s+)',
+                bygroups(Keyword.Declaration, Text),
+                'structname'),
+            (r'(function)(\s+)',
+                bygroups(Keyword.Declaration, Text),
+                'funcname'),
+
+            (r'(null|true|false)\b', Keyword.Constant),
+            (r'(augment|pimp'
+             r'|if|else|case|match|return'
+             r'|case|when|then|otherwise'
+             r'|while|for|foreach'
+             r'|try|catch|finally|throw'
+             r'|local'
+             r'|continue|break)\b', Keyword),
+
+            (r'(map|array|list|set|vector|tuple)(\[)',
+                bygroups(Name.Builtin, Punctuation)),
+            (r'(print|println|readln|raise|fun'
+             r'|asInterfaceInstance)\b', Name.Builtin),
+            (r'(`?[a-zA-Z_][a-z$A-Z0-9_]*)(\()',
+                bygroups(Name.Function, Punctuation)),
+
+            (r'-?[\d_]*\.[\d_]*([eE][+-]?\d[\d_]*)?F?', Number.Float),
+            (r'0[0-7]+j?', Number.Oct),
+            (r'0[xX][a-fA-F0-9]+', Number.Hex),
+            (r'-?\d[\d_]*L', Number.Integer.Long),
+            (r'-?\d[\d_]*', Number.Integer),
+
+            ('`?[a-zA-Z_][a-z$A-Z0-9_]*', Name),
+
+            (r'"""', String, combined('stringescape', 'triplestring')),
+            (r'"', String, combined('stringescape', 'doublestring')),
+            (r"'", String, combined('stringescape', 'singlestring')),
+            (r'----((.|\n)*?)----', String.Doc)
+
+        ],
+
+        'funcname': [
+            (r'`?[a-zA-Z_][a-z$A-Z0-9_]*', Name.Function, '#pop'),
+        ],
+        'modname': [
+            (r'[a-zA-Z_][a-z$A-Z0-9._]*\*?', Name.Namespace, '#pop')
+        ],
+        'structname': [
+            (r'`?[a-zA-Z0-9_.]+\*?', Name.Class, '#pop')
+        ],
+        'varname': [
+            (r'`?[a-zA-Z_][a-z$A-Z0-9_]*', Name.Variable, '#pop'),
+        ],
+        'string': [
+            (r'[^\\\'"\n]+', String),
+            (r'[\'"\\]', String)
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N{.*?}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'triplestring': [
+            (r'"""', String, '#pop'),
+            include('string'),
+            (r'\n', String),
+        ],
+        'doublestring': [
+            (r'"', String.Double, '#pop'),
+            include('string'),
+        ],
+        'singlestring': [
+            (r"'", String, '#pop'),
+            include('string'),
+        ],
+    }