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venv/lib/python3.9/site-packages/pygments/lexers/ecl.py

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+"""
+    pygments.lexers.ecl
+    ~~~~~~~~~~~~~~~~~~~
+
+    Lexers for the ECL language.
+
+    :copyright: Copyright 2006-2025 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 Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Whitespace
+
+__all__ = ['ECLLexer']
+
+
+class ECLLexer(RegexLexer):
+    """
+    Lexer for the declarative big-data ECL language.
+    """
+
+    name = 'ECL'
+    url = 'https://hpccsystems.com/training/documentation/ecl-language-reference/html'
+    aliases = ['ecl']
+    filenames = ['*.ecl']
+    mimetypes = ['application/x-ecl']
+    version_added = '1.5'
+
+    flags = re.IGNORECASE | re.MULTILINE
+
+    tokens = {
+        'root': [
+            include('whitespace'),
+            include('statements'),
+        ],
+        'whitespace': [
+            (r'\s+', Whitespace),
+            (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'[~!%^&*+=|?:<>/-]+', 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, Whitespace)),
+        ],
+        '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 conjunction 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