139 lines
6.1 KiB
Python
139 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
pygments.lexers.ecl
|
|
~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexers for the ECL language.
|
|
|
|
:copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
|
|
:license: BSD, see LICENSE for details.
|
|
"""
|
|
|
|
import re
|
|
|
|
from pygments.lexer import RegexLexer, include, bygroups, words
|
|
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
|
|
Number, Punctuation, Error
|
|
|
|
__all__ = ['ECLLexer']
|
|
|
|
|
|
class ECLLexer(RegexLexer):
|
|
"""
|
|
Lexer for the declarative big-data `ECL
|
|
<http://hpccsystems.com/community/docs/ecl-language-reference/html>`_
|
|
language.
|
|
|
|
.. versionadded:: 1.5
|
|
"""
|
|
|
|
name = 'ECL'
|
|
aliases = ['ecl']
|
|
filenames = ['*.ecl']
|
|
mimetypes = ['application/x-ecl']
|
|
|
|
flags = re.IGNORECASE | re.MULTILINE
|
|
|
|
tokens = {
|
|
'root': [
|
|
include('whitespace'),
|
|
include('statements'),
|
|
],
|
|
'whitespace': [
|
|
(r'\s+', Text),
|
|
(r'\/\/.*', Comment.Single),
|
|
(r'/(\\\n)?\*(.|\n)*?\*(\\\n)?/', Comment.Multiline),
|
|
],
|
|
'statements': [
|
|
include('types'),
|
|
include('keywords'),
|
|
include('functions'),
|
|
include('hash'),
|
|
(r'"', String, 'string'),
|
|
(r'\'', String, 'string'),
|
|
(r'(\d+\.\d*|\.\d+|\d+)e[+-]?\d+[lu]*', Number.Float),
|
|
(r'(\d+\.\d*|\.\d+|\d+f)f?', Number.Float),
|
|
(r'0x[0-9a-f]+[lu]*', Number.Hex),
|
|
(r'0[0-7]+[lu]*', Number.Oct),
|
|
(r'\d+[lu]*', Number.Integer),
|
|
(r'\*/', Error),
|
|
(r'[~!%^&*+=|?:<>/-]+', Operator),
|
|
(r'[{}()\[\],.;]', Punctuation),
|
|
(r'[a-z_]\w*', Name),
|
|
],
|
|
'hash': [
|
|
(r'^#.*$', Comment.Preproc),
|
|
],
|
|
'types': [
|
|
(r'(RECORD|END)\D', Keyword.Declaration),
|
|
(r'((?:ASCII|BIG_ENDIAN|BOOLEAN|DATA|DECIMAL|EBCDIC|INTEGER|PATTERN|'
|
|
r'QSTRING|REAL|RECORD|RULE|SET OF|STRING|TOKEN|UDECIMAL|UNICODE|'
|
|
r'UNSIGNED|VARSTRING|VARUNICODE)\d*)(\s+)',
|
|
bygroups(Keyword.Type, Text)),
|
|
],
|
|
'keywords': [
|
|
(words((
|
|
'APPLY', 'ASSERT', 'BUILD', 'BUILDINDEX', 'EVALUATE', 'FAIL',
|
|
'KEYDIFF', 'KEYPATCH', 'LOADXML', 'NOTHOR', 'NOTIFY', 'OUTPUT',
|
|
'PARALLEL', 'SEQUENTIAL', 'SOAPCALL', 'CHECKPOINT', 'DEPRECATED',
|
|
'FAILCODE', 'FAILMESSAGE', 'FAILURE', 'GLOBAL', 'INDEPENDENT',
|
|
'ONWARNING', 'PERSIST', 'PRIORITY', 'RECOVERY', 'STORED', 'SUCCESS',
|
|
'WAIT', 'WHEN'), suffix=r'\b'),
|
|
Keyword.Reserved),
|
|
# These are classed differently, check later
|
|
(words((
|
|
'ALL', 'AND', 'ANY', 'AS', 'ATMOST', 'BEFORE', 'BEGINC++', 'BEST', 'BETWEEN', 'CASE',
|
|
'CONST', 'COUNTER', 'CSV', 'DESCEND', 'ENCRYPT', 'ENDC++', 'ENDMACRO', 'EXCEPT',
|
|
'EXCLUSIVE', 'EXPIRE', 'EXPORT', 'EXTEND', 'FALSE', 'FEW', 'FIRST', 'FLAT', 'FULL',
|
|
'FUNCTION', 'GROUP', 'HEADER', 'HEADING', 'HOLE', 'IFBLOCK', 'IMPORT', 'IN', 'JOINED',
|
|
'KEEP', 'KEYED', 'LAST', 'LEFT', 'LIMIT', 'LOAD', 'LOCAL', 'LOCALE', 'LOOKUP', 'MACRO',
|
|
'MANY', 'MAXCOUNT', 'MAXLENGTH', 'MIN SKEW', 'MODULE', 'INTERFACE', 'NAMED', 'NOCASE',
|
|
'NOROOT', 'NOSCAN', 'NOSORT', 'NOT', 'OF', 'ONLY', 'OPT', 'OR', 'OUTER', 'OVERWRITE',
|
|
'PACKED', 'PARTITION', 'PENALTY', 'PHYSICALLENGTH', 'PIPE', 'QUOTE', 'RELATIONSHIP',
|
|
'REPEAT', 'RETURN', 'RIGHT', 'SCAN', 'SELF', 'SEPARATOR', 'SERVICE', 'SHARED', 'SKEW',
|
|
'SKIP', 'SQL', 'STORE', 'TERMINATOR', 'THOR', 'THRESHOLD', 'TOKEN', 'TRANSFORM', 'TRIM',
|
|
'TRUE', 'TYPE', 'UNICODEORDER', 'UNSORTED', 'VALIDATE', 'VIRTUAL', 'WHOLE', 'WILD',
|
|
'WITHIN', 'XML', 'XPATH', '__COMPRESSED__'), suffix=r'\b'),
|
|
Keyword.Reserved),
|
|
],
|
|
'functions': [
|
|
(words((
|
|
'ABS', 'ACOS', 'ALLNODES', 'ASCII', 'ASIN', 'ASSTRING', 'ATAN', 'ATAN2', 'AVE', 'CASE',
|
|
'CHOOSE', 'CHOOSEN', 'CHOOSESETS', 'CLUSTERSIZE', 'COMBINE', 'CORRELATION', 'COS',
|
|
'COSH', 'COUNT', 'COVARIANCE', 'CRON', 'DATASET', 'DEDUP', 'DEFINE', 'DENORMALIZE',
|
|
'DISTRIBUTE', 'DISTRIBUTED', 'DISTRIBUTION', 'EBCDIC', 'ENTH', 'ERROR', 'EVALUATE',
|
|
'EVENT', 'EVENTEXTRA', 'EVENTNAME', 'EXISTS', 'EXP', 'FAILCODE', 'FAILMESSAGE',
|
|
'FETCH', 'FROMUNICODE', 'GETISVALID', 'GLOBAL', 'GRAPH', 'GROUP', 'HASH', 'HASH32',
|
|
'HASH64', 'HASHCRC', 'HASHMD5', 'HAVING', 'IF', 'INDEX', 'INTFORMAT', 'ISVALID',
|
|
'ITERATE', 'JOIN', 'KEYUNICODE', 'LENGTH', 'LIBRARY', 'LIMIT', 'LN', 'LOCAL', 'LOG', 'LOOP',
|
|
'MAP', 'MATCHED', 'MATCHLENGTH', 'MATCHPOSITION', 'MATCHTEXT', 'MATCHUNICODE',
|
|
'MAX', 'MERGE', 'MERGEJOIN', 'MIN', 'NOLOCAL', 'NONEMPTY', 'NORMALIZE', 'PARSE', 'PIPE',
|
|
'POWER', 'PRELOAD', 'PROCESS', 'PROJECT', 'PULL', 'RANDOM', 'RANGE', 'RANK', 'RANKED',
|
|
'REALFORMAT', 'RECORDOF', 'REGEXFIND', 'REGEXREPLACE', 'REGROUP', 'REJECTED',
|
|
'ROLLUP', 'ROUND', 'ROUNDUP', 'ROW', 'ROWDIFF', 'SAMPLE', 'SET', 'SIN', 'SINH', 'SIZEOF',
|
|
'SOAPCALL', 'SORT', 'SORTED', 'SQRT', 'STEPPED', 'STORED', 'SUM', 'TABLE', 'TAN', 'TANH',
|
|
'THISNODE', 'TOPN', 'TOUNICODE', 'TRANSFER', 'TRIM', 'TRUNCATE', 'TYPEOF', 'UNGROUP',
|
|
'UNICODEORDER', 'VARIANCE', 'WHICH', 'WORKUNIT', 'XMLDECODE', 'XMLENCODE',
|
|
'XMLTEXT', 'XMLUNICODE'), suffix=r'\b'),
|
|
Name.Function),
|
|
],
|
|
'string': [
|
|
(r'"', String, '#pop'),
|
|
(r'\'', String, '#pop'),
|
|
(r'[^"\']+', String),
|
|
],
|
|
}
|
|
|
|
def analyse_text(text):
|
|
"""This is very difficult to guess relative to other business languages.
|
|
<- in conjuction with BEGIN/END seems relatively rare though."""
|
|
result = 0
|
|
|
|
if '<-' in text:
|
|
result += 0.01
|
|
if 'BEGIN' in text:
|
|
result += 0.01
|
|
if 'END' in text:
|
|
result += 0.01
|
|
|
|
return result
|