1 files changed, 79 insertions, 0 deletions
diff --git a/pygments/lexers/parasail.py b/pygments/lexers/parasail.py
new file mode 100644
index 00000000..878f7d26
--- /dev/null
+++ b/pygments/lexers/parasail.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.parasail
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexer for ParaSail.
+
+    :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import RegexLexer, include
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Literal
+
+__all__ = ['ParaSailLexer']
+
+
+class ParaSailLexer(RegexLexer):
+    """
+    For `ParaSail <http://www.parasail-lang.org>`_ source code.
+
+    .. versionadded:: 2.1
+    """
+
+    name = 'ParaSail'
+    aliases = ['parasail']
+    filenames = ['*.psi', '*.psl']
+    mimetypes = ['text/x-parasail']
+
+    flags = re.MULTILINE
+
+    tokens = {
+        'root': [
+            (r'[^\S\n]+', Text),
+            (r'//.*?\n', Comment.Single),
+            (r'\b(and|or|xor)=', Operator.Word),
+            (r'\b(and(\s+then)?|or(\s+else)?|xor|rem|mod|'
+             r'(is|not)\s+null)\b',
+             Operator.Word),
+            # Keywords
+            (r'\b(abs|abstract|all|block|class|concurrent|const|continue|'
+             r'each|end|exit|extends|exports|forward|func|global|implements|'
+             r'import|in|interface|is|lambda|locked|new|not|null|of|op|'
+             r'optional|private|queued|ref|return|reverse|separate|some|'
+             r'type|until|var|with|'
+             # Control flow
+             r'if|then|else|elsif|case|for|while|loop)\b',
+             Keyword.Reserved),
+            (r'(abstract\s+)?(interface|class|op|func|type)',
+             Keyword.Declaration),
+            # Literals
+            (r'"[^"]*"', String),
+            (r'\\[\'ntrf"0]', String.Escape),
+            (r'#[a-zA-Z]\w*', Literal),       # Enumeration
+            include('numbers'),
+            (r"'[^']'", String.Char),
+            (r'[a-zA-Z]\w*', Name),
+            # Operators and Punctuation
+            (r'(<==|==>|<=>|\*\*=|<\|=|<<=|>>=|==|!=|=\?|<=|>=|'
+             r'\*\*|<<|>>|=>|:=|\+=|-=|\*=|\||\|=|/=|\+|-|\*|/|'
+             r'\.\.|<\.\.|\.\.<|<\.\.<)',
+             Operator),
+            (r'(<|>|\[|\]|\(|\)|\||:|;|,|.|\{|\}|->)',
+             Punctuation),
+            (r'\n+', Text),
+        ],
+        'numbers': [
+            (r'\d[0-9_]*#[0-9a-fA-F][0-9a-fA-F_]*#', Number.Hex),  # any base
+            (r'0[xX][0-9a-fA-F][0-9a-fA-F_]*', Number.Hex),        # C-like hex
+            (r'0[bB][01][01_]*', Number.Bin),                      # C-like bin
+            (r'\d[0-9_]*\.\d[0-9_]*[eE][+-]\d[0-9_]*',             # float exp
+             Number.Float),
+            (r'\d[0-9_]*\.\d[0-9_]*', Number.Float),               # float
+            (r'\d[0-9_]*', Number.Integer),                        # integer
+        ],
+    }