682 lines
29 KiB
Python
682 lines
29 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pygments.lexers.sql
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~~~~~~~~~~~~~~~~~~~
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Lexers for various SQL dialects and related interactive sessions.
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Postgres specific lexers:
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`PostgresLexer`
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A SQL lexer for the PostgreSQL dialect. Differences w.r.t. the SQL
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lexer are:
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- keywords and data types list parsed from the PG docs (run the
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`_postgres_builtins` module to update them);
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- Content of $-strings parsed using a specific lexer, e.g. the content
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of a PL/Python function is parsed using the Python lexer;
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- parse PG specific constructs: E-strings, $-strings, U&-strings,
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different operators and punctuation.
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`PlPgsqlLexer`
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A lexer for the PL/pgSQL language. Adds a few specific construct on
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top of the PG SQL lexer (such as <<label>>).
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`PostgresConsoleLexer`
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A lexer to highlight an interactive psql session:
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- identifies the prompt and does its best to detect the end of command
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in multiline statement where not all the lines are prefixed by a
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prompt, telling them apart from the output;
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- highlights errors in the output and notification levels;
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- handles psql backslash commands.
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The ``tests/examplefiles`` contains a few test files with data to be
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parsed by these lexers.
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:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import Lexer, RegexLexer, do_insertions, bygroups, words
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from pygments.token import Punctuation, Whitespace, Error, \
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Text, Comment, Operator, Keyword, Name, String, Number, Generic
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from pygments.lexers import get_lexer_by_name, ClassNotFound
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from pygments.util import iteritems
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from pygments.lexers._postgres_builtins import KEYWORDS, DATATYPES, \
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PSEUDO_TYPES, PLPGSQL_KEYWORDS
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from pygments.lexers import _tsql_builtins
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__all__ = ['PostgresLexer', 'PlPgsqlLexer', 'PostgresConsoleLexer',
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'SqlLexer', 'TransactSqlLexer', 'MySqlLexer',
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'SqliteConsoleLexer', 'RqlLexer']
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line_re = re.compile('.*?\n')
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language_re = re.compile(r"\s+LANGUAGE\s+'?(\w+)'?", re.IGNORECASE)
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do_re = re.compile(r'\bDO\b', re.IGNORECASE)
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def language_callback(lexer, match):
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"""Parse the content of a $-string using a lexer
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The lexer is chosen looking for a nearby LANGUAGE or assumed as
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plpgsql if inside a DO statement and no LANGUAGE has been found.
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"""
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l = None
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m = language_re.match(lexer.text[match.end():match.end()+100])
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if m is not None:
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l = lexer._get_lexer(m.group(1))
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else:
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m = list(language_re.finditer(
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lexer.text[max(0, match.start()-100):match.start()]))
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if m:
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l = lexer._get_lexer(m[-1].group(1))
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else:
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m = list(do_re.finditer(
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lexer.text[max(0, match.start()-25):match.start()]))
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if m:
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l = lexer._get_lexer('plpgsql')
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# 1 = $, 2 = delimiter, 3 = $
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yield (match.start(1), String, match.group(1))
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yield (match.start(2), String.Delimiter, match.group(2))
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yield (match.start(3), String, match.group(3))
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# 4 = string contents
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if l:
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for x in l.get_tokens_unprocessed(match.group(4)):
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yield x
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else:
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yield (match.start(4), String, match.group(4))
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# 5 = $, 6 = delimiter, 7 = $
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yield (match.start(5), String, match.group(5))
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yield (match.start(6), String.Delimiter, match.group(6))
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yield (match.start(7), String, match.group(7))
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class PostgresBase(object):
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"""Base class for Postgres-related lexers.
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This is implemented as a mixin to avoid the Lexer metaclass kicking in.
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this way the different lexer don't have a common Lexer ancestor. If they
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had, _tokens could be created on this ancestor and not updated for the
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other classes, resulting e.g. in PL/pgSQL parsed as SQL. This shortcoming
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seem to suggest that regexp lexers are not really subclassable.
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"""
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def get_tokens_unprocessed(self, text, *args):
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# Have a copy of the entire text to be used by `language_callback`.
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self.text = text
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for x in super(PostgresBase, self).get_tokens_unprocessed(
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text, *args):
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yield x
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def _get_lexer(self, lang):
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if lang.lower() == 'sql':
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return get_lexer_by_name('postgresql', **self.options)
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tries = [lang]
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if lang.startswith('pl'):
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tries.append(lang[2:])
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if lang.endswith('u'):
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tries.append(lang[:-1])
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if lang.startswith('pl') and lang.endswith('u'):
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tries.append(lang[2:-1])
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for l in tries:
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try:
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return get_lexer_by_name(l, **self.options)
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except ClassNotFound:
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pass
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else:
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# TODO: better logging
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# print >>sys.stderr, "language not found:", lang
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return None
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class PostgresLexer(PostgresBase, RegexLexer):
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"""
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Lexer for the PostgreSQL dialect of SQL.
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.. versionadded:: 1.5
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"""
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name = 'PostgreSQL SQL dialect'
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aliases = ['postgresql', 'postgres']
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mimetypes = ['text/x-postgresql']
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flags = re.IGNORECASE
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tokens = {
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'root': [
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(r'\s+', Text),
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(r'--.*\n?', Comment.Single),
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(r'/\*', Comment.Multiline, 'multiline-comments'),
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(r'(' + '|'.join(s.replace(" ", "\s+")
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for s in DATATYPES + PSEUDO_TYPES)
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+ r')\b', Name.Builtin),
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(words(KEYWORDS, suffix=r'\b'), Keyword),
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(r'[+*/<>=~!@#%^&|`?-]+', Operator),
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(r'::', Operator), # cast
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(r'\$\d+', Name.Variable),
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(r'([0-9]*\.[0-9]*|[0-9]+)(e[+-]?[0-9]+)?', Number.Float),
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(r'[0-9]+', Number.Integer),
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(r"((?:E|U&)?)(')", bygroups(String.Affix, String.Single), 'string'),
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# quoted identifier
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(r'((?:U&)?)(")', bygroups(String.Affix, String.Name), 'quoted-ident'),
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(r'(?s)(\$)([^$]*)(\$)(.*?)(\$)(\2)(\$)', language_callback),
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(r'[a-z_]\w*', Name),
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# psql variable in SQL
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(r""":(['"]?)[a-z]\w*\b\1""", Name.Variable),
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(r'[;:()\[\]{},.]', Punctuation),
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],
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'multiline-comments': [
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(r'/\*', Comment.Multiline, 'multiline-comments'),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[^/*]+', Comment.Multiline),
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(r'[/*]', Comment.Multiline)
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],
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'string': [
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(r"[^']+", String.Single),
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(r"''", String.Single),
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(r"'", String.Single, '#pop'),
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],
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'quoted-ident': [
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(r'[^"]+', String.Name),
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(r'""', String.Name),
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(r'"', String.Name, '#pop'),
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],
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}
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class PlPgsqlLexer(PostgresBase, RegexLexer):
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"""
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Handle the extra syntax in Pl/pgSQL language.
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.. versionadded:: 1.5
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"""
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name = 'PL/pgSQL'
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aliases = ['plpgsql']
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mimetypes = ['text/x-plpgsql']
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flags = re.IGNORECASE
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tokens = dict((k, l[:]) for (k, l) in iteritems(PostgresLexer.tokens))
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# extend the keywords list
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for i, pattern in enumerate(tokens['root']):
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if pattern[1] == Keyword:
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tokens['root'][i] = (
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words(KEYWORDS + PLPGSQL_KEYWORDS, suffix=r'\b'),
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Keyword)
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del i
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break
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else:
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assert 0, "SQL keywords not found"
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# Add specific PL/pgSQL rules (before the SQL ones)
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tokens['root'][:0] = [
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(r'\%[a-z]\w*\b', Name.Builtin), # actually, a datatype
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(r':=', Operator),
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(r'\<\<[a-z]\w*\>\>', Name.Label),
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(r'\#[a-z]\w*\b', Keyword.Pseudo), # #variable_conflict
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]
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class PsqlRegexLexer(PostgresBase, RegexLexer):
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"""
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Extend the PostgresLexer adding support specific for psql commands.
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This is not a complete psql lexer yet as it lacks prompt support
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and output rendering.
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"""
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name = 'PostgreSQL console - regexp based lexer'
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aliases = [] # not public
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flags = re.IGNORECASE
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tokens = dict((k, l[:]) for (k, l) in iteritems(PostgresLexer.tokens))
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tokens['root'].append(
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(r'\\[^\s]+', Keyword.Pseudo, 'psql-command'))
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tokens['psql-command'] = [
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(r'\n', Text, 'root'),
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(r'\s+', Text),
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(r'\\[^\s]+', Keyword.Pseudo),
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(r""":(['"]?)[a-z]\w*\b\1""", Name.Variable),
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(r"'(''|[^'])*'", String.Single),
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(r"`([^`])*`", String.Backtick),
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(r"[^\s]+", String.Symbol),
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]
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re_prompt = re.compile(r'^(\S.*?)??[=\-\(\$\'\"][#>]')
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re_psql_command = re.compile(r'\s*\\')
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re_end_command = re.compile(r';\s*(--.*?)?$')
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re_psql_command = re.compile(r'(\s*)(\\.+?)(\s+)$')
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re_error = re.compile(r'(ERROR|FATAL):')
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re_message = re.compile(
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r'((?:DEBUG|INFO|NOTICE|WARNING|ERROR|'
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r'FATAL|HINT|DETAIL|CONTEXT|LINE [0-9]+):)(.*?\n)')
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class lookahead(object):
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"""Wrap an iterator and allow pushing back an item."""
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def __init__(self, x):
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self.iter = iter(x)
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self._nextitem = None
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def __iter__(self):
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return self
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def send(self, i):
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self._nextitem = i
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return i
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def __next__(self):
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if self._nextitem is not None:
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ni = self._nextitem
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self._nextitem = None
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return ni
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return next(self.iter)
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next = __next__
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class PostgresConsoleLexer(Lexer):
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"""
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Lexer for psql sessions.
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.. versionadded:: 1.5
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"""
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name = 'PostgreSQL console (psql)'
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aliases = ['psql', 'postgresql-console', 'postgres-console']
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mimetypes = ['text/x-postgresql-psql']
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def get_tokens_unprocessed(self, data):
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sql = PsqlRegexLexer(**self.options)
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lines = lookahead(line_re.findall(data))
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# prompt-output cycle
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while 1:
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# consume the lines of the command: start with an optional prompt
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# and continue until the end of command is detected
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curcode = ''
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insertions = []
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while 1:
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try:
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line = next(lines)
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except StopIteration:
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# allow the emission of partially collected items
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# the repl loop will be broken below
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break
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# Identify a shell prompt in case of psql commandline example
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if line.startswith('$') and not curcode:
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lexer = get_lexer_by_name('console', **self.options)
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for x in lexer.get_tokens_unprocessed(line):
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yield x
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break
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# Identify a psql prompt
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mprompt = re_prompt.match(line)
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if mprompt is not None:
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insertions.append((len(curcode),
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[(0, Generic.Prompt, mprompt.group())]))
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curcode += line[len(mprompt.group()):]
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else:
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curcode += line
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# Check if this is the end of the command
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# TODO: better handle multiline comments at the end with
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# a lexer with an external state?
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if re_psql_command.match(curcode) \
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or re_end_command.search(curcode):
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break
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# Emit the combined stream of command and prompt(s)
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for item in do_insertions(insertions,
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sql.get_tokens_unprocessed(curcode)):
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yield item
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# Emit the output lines
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out_token = Generic.Output
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while 1:
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line = next(lines)
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mprompt = re_prompt.match(line)
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if mprompt is not None:
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# push the line back to have it processed by the prompt
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lines.send(line)
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break
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mmsg = re_message.match(line)
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if mmsg is not None:
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if mmsg.group(1).startswith("ERROR") \
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or mmsg.group(1).startswith("FATAL"):
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out_token = Generic.Error
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yield (mmsg.start(1), Generic.Strong, mmsg.group(1))
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yield (mmsg.start(2), out_token, mmsg.group(2))
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else:
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yield (0, out_token, line)
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class SqlLexer(RegexLexer):
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"""
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Lexer for Structured Query Language. Currently, this lexer does
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not recognize any special syntax except ANSI SQL.
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"""
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name = 'SQL'
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aliases = ['sql']
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filenames = ['*.sql']
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mimetypes = ['text/x-sql']
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flags = re.IGNORECASE
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tokens = {
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'root': [
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(r'\s+', Text),
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(r'--.*\n?', Comment.Single),
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(r'/\*', Comment.Multiline, 'multiline-comments'),
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(words((
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'ABORT', 'ABS', 'ABSOLUTE', 'ACCESS', 'ADA', 'ADD', 'ADMIN', 'AFTER', 'AGGREGATE',
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'ALIAS', 'ALL', 'ALLOCATE', 'ALTER', 'ANALYSE', 'ANALYZE', 'AND', 'ANY', 'ARE', 'AS',
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'ASC', 'ASENSITIVE', 'ASSERTION', 'ASSIGNMENT', 'ASYMMETRIC', 'AT', 'ATOMIC',
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'AUTHORIZATION', 'AVG', 'BACKWARD', 'BEFORE', 'BEGIN', 'BETWEEN', 'BITVAR',
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'BIT_LENGTH', 'BOTH', 'BREADTH', 'BY', 'C', 'CACHE', 'CALL', 'CALLED', 'CARDINALITY',
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'CASCADE', 'CASCADED', 'CASE', 'CAST', 'CATALOG', 'CATALOG_NAME', 'CHAIN',
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'CHARACTERISTICS', 'CHARACTER_LENGTH', 'CHARACTER_SET_CATALOG',
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'CHARACTER_SET_NAME', 'CHARACTER_SET_SCHEMA', 'CHAR_LENGTH', 'CHECK',
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'CHECKED', 'CHECKPOINT', 'CLASS', 'CLASS_ORIGIN', 'CLOB', 'CLOSE', 'CLUSTER',
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'COALSECE', 'COBOL', 'COLLATE', 'COLLATION', 'COLLATION_CATALOG',
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'COLLATION_NAME', 'COLLATION_SCHEMA', 'COLUMN', 'COLUMN_NAME',
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'COMMAND_FUNCTION', 'COMMAND_FUNCTION_CODE', 'COMMENT', 'COMMIT',
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'COMMITTED', 'COMPLETION', 'CONDITION_NUMBER', 'CONNECT', 'CONNECTION',
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'CONNECTION_NAME', 'CONSTRAINT', 'CONSTRAINTS', 'CONSTRAINT_CATALOG',
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'CONSTRAINT_NAME', 'CONSTRAINT_SCHEMA', 'CONSTRUCTOR', 'CONTAINS',
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'CONTINUE', 'CONVERSION', 'CONVERT', 'COPY', 'CORRESPONTING', 'COUNT',
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'CREATE', 'CREATEDB', 'CREATEUSER', 'CROSS', 'CUBE', 'CURRENT', 'CURRENT_DATE',
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'CURRENT_PATH', 'CURRENT_ROLE', 'CURRENT_TIME', 'CURRENT_TIMESTAMP',
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'CURRENT_USER', 'CURSOR', 'CURSOR_NAME', 'CYCLE', 'DATA', 'DATABASE',
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'DATETIME_INTERVAL_CODE', 'DATETIME_INTERVAL_PRECISION', 'DAY',
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'DEALLOCATE', 'DECLARE', 'DEFAULT', 'DEFAULTS', 'DEFERRABLE', 'DEFERRED',
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'DEFINED', 'DEFINER', 'DELETE', 'DELIMITER', 'DELIMITERS', 'DEREF', 'DESC',
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'DESCRIBE', 'DESCRIPTOR', 'DESTROY', 'DESTRUCTOR', 'DETERMINISTIC',
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'DIAGNOSTICS', 'DICTIONARY', 'DISCONNECT', 'DISPATCH', 'DISTINCT', 'DO',
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'DOMAIN', 'DROP', 'DYNAMIC', 'DYNAMIC_FUNCTION', 'DYNAMIC_FUNCTION_CODE', 'EACH',
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'ELSE', 'ELSIF', 'ENCODING', 'ENCRYPTED', 'END', 'END-EXEC', 'EQUALS', 'ESCAPE', 'EVERY',
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'EXCEPTION', 'EXCEPT', 'EXCLUDING', 'EXCLUSIVE', 'EXEC', 'EXECUTE', 'EXISTING',
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'EXISTS', 'EXPLAIN', 'EXTERNAL', 'EXTRACT', 'FALSE', 'FETCH', 'FINAL', 'FIRST', 'FOR',
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'FORCE', 'FOREIGN', 'FORTRAN', 'FORWARD', 'FOUND', 'FREE', 'FREEZE', 'FROM', 'FULL',
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'FUNCTION', 'G', 'GENERAL', 'GENERATED', 'GET', 'GLOBAL', 'GO', 'GOTO', 'GRANT', 'GRANTED',
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'GROUP', 'GROUPING', 'HANDLER', 'HAVING', 'HIERARCHY', 'HOLD', 'HOST', 'IDENTITY', 'IF',
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'IGNORE', 'ILIKE', 'IMMEDIATE', 'IMMUTABLE', 'IMPLEMENTATION', 'IMPLICIT', 'IN',
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'INCLUDING', 'INCREMENT', 'INDEX', 'INDITCATOR', 'INFIX', 'INHERITS', 'INITIALIZE',
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'INITIALLY', 'INNER', 'INOUT', 'INPUT', 'INSENSITIVE', 'INSERT', 'INSTANTIABLE',
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'INSTEAD', 'INTERSECT', 'INTO', 'INVOKER', 'IS', 'ISNULL', 'ISOLATION', 'ITERATE', 'JOIN',
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'KEY', 'KEY_MEMBER', 'KEY_TYPE', 'LANCOMPILER', 'LANGUAGE', 'LARGE', 'LAST',
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'LATERAL', 'LEADING', 'LEFT', 'LENGTH', 'LESS', 'LEVEL', 'LIKE', 'LIMIT', 'LISTEN', 'LOAD',
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'LOCAL', 'LOCALTIME', 'LOCALTIMESTAMP', 'LOCATION', 'LOCATOR', 'LOCK', 'LOWER',
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'MAP', 'MATCH', 'MAX', 'MAXVALUE', 'MESSAGE_LENGTH', 'MESSAGE_OCTET_LENGTH',
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'MESSAGE_TEXT', 'METHOD', 'MIN', 'MINUTE', 'MINVALUE', 'MOD', 'MODE', 'MODIFIES',
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'MODIFY', 'MONTH', 'MORE', 'MOVE', 'MUMPS', 'NAMES', 'NATIONAL', 'NATURAL', 'NCHAR',
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'NCLOB', 'NEW', 'NEXT', 'NO', 'NOCREATEDB', 'NOCREATEUSER', 'NONE', 'NOT', 'NOTHING',
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'NOTIFY', 'NOTNULL', 'NULL', 'NULLABLE', 'NULLIF', 'OBJECT', 'OCTET_LENGTH', 'OF', 'OFF',
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'OFFSET', 'OIDS', 'OLD', 'ON', 'ONLY', 'OPEN', 'OPERATION', 'OPERATOR', 'OPTION', 'OPTIONS',
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'OR', 'ORDER', 'ORDINALITY', 'OUT', 'OUTER', 'OUTPUT', 'OVERLAPS', 'OVERLAY', 'OVERRIDING',
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'OWNER', 'PAD', 'PARAMETER', 'PARAMETERS', 'PARAMETER_MODE', 'PARAMATER_NAME',
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'PARAMATER_ORDINAL_POSITION', 'PARAMETER_SPECIFIC_CATALOG',
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'PARAMETER_SPECIFIC_NAME', 'PARAMATER_SPECIFIC_SCHEMA', 'PARTIAL',
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|
'PASCAL', 'PENDANT', 'PLACING', 'PLI', 'POSITION', 'POSTFIX', 'PRECISION', 'PREFIX',
|
|
'PREORDER', 'PREPARE', 'PRESERVE', 'PRIMARY', 'PRIOR', 'PRIVILEGES', 'PROCEDURAL',
|
|
'PROCEDURE', 'PUBLIC', 'READ', 'READS', 'RECHECK', 'RECURSIVE', 'REF', 'REFERENCES',
|
|
'REFERENCING', 'REINDEX', 'RELATIVE', 'RENAME', 'REPEATABLE', 'REPLACE', 'RESET',
|
|
'RESTART', 'RESTRICT', 'RESULT', 'RETURN', 'RETURNED_LENGTH',
|
|
'RETURNED_OCTET_LENGTH', 'RETURNED_SQLSTATE', 'RETURNS', 'REVOKE', 'RIGHT',
|
|
'ROLE', 'ROLLBACK', 'ROLLUP', 'ROUTINE', 'ROUTINE_CATALOG', 'ROUTINE_NAME',
|
|
'ROUTINE_SCHEMA', 'ROW', 'ROWS', 'ROW_COUNT', 'RULE', 'SAVE_POINT', 'SCALE', 'SCHEMA',
|
|
'SCHEMA_NAME', 'SCOPE', 'SCROLL', 'SEARCH', 'SECOND', 'SECURITY', 'SELECT', 'SELF',
|
|
'SENSITIVE', 'SERIALIZABLE', 'SERVER_NAME', 'SESSION', 'SESSION_USER', 'SET',
|
|
'SETOF', 'SETS', 'SHARE', 'SHOW', 'SIMILAR', 'SIMPLE', 'SIZE', 'SOME', 'SOURCE', 'SPACE',
|
|
'SPECIFIC', 'SPECIFICTYPE', 'SPECIFIC_NAME', 'SQL', 'SQLCODE', 'SQLERROR',
|
|
'SQLEXCEPTION', 'SQLSTATE', 'SQLWARNINIG', 'STABLE', 'START', 'STATE', 'STATEMENT',
|
|
'STATIC', 'STATISTICS', 'STDIN', 'STDOUT', 'STORAGE', 'STRICT', 'STRUCTURE', 'STYPE',
|
|
'SUBCLASS_ORIGIN', 'SUBLIST', 'SUBSTRING', 'SUM', 'SYMMETRIC', 'SYSID', 'SYSTEM',
|
|
'SYSTEM_USER', 'TABLE', 'TABLE_NAME', ' TEMP', 'TEMPLATE', 'TEMPORARY', 'TERMINATE',
|
|
'THAN', 'THEN', 'TIMESTAMP', 'TIMEZONE_HOUR', 'TIMEZONE_MINUTE', 'TO', 'TOAST',
|
|
'TRAILING', 'TRANSATION', 'TRANSACTIONS_COMMITTED',
|
|
'TRANSACTIONS_ROLLED_BACK', 'TRANSATION_ACTIVE', 'TRANSFORM',
|
|
'TRANSFORMS', 'TRANSLATE', 'TRANSLATION', 'TREAT', 'TRIGGER', 'TRIGGER_CATALOG',
|
|
'TRIGGER_NAME', 'TRIGGER_SCHEMA', 'TRIM', 'TRUE', 'TRUNCATE', 'TRUSTED', 'TYPE',
|
|
'UNCOMMITTED', 'UNDER', 'UNENCRYPTED', 'UNION', 'UNIQUE', 'UNKNOWN', 'UNLISTEN',
|
|
'UNNAMED', 'UNNEST', 'UNTIL', 'UPDATE', 'UPPER', 'USAGE', 'USER',
|
|
'USER_DEFINED_TYPE_CATALOG', 'USER_DEFINED_TYPE_NAME',
|
|
'USER_DEFINED_TYPE_SCHEMA', 'USING', 'VACUUM', 'VALID', 'VALIDATOR', 'VALUES',
|
|
'VARIABLE', 'VERBOSE', 'VERSION', 'VIEW', 'VOLATILE', 'WHEN', 'WHENEVER', 'WHERE',
|
|
'WITH', 'WITHOUT', 'WORK', 'WRITE', 'YEAR', 'ZONE'), suffix=r'\b'),
|
|
Keyword),
|
|
(words((
|
|
'ARRAY', 'BIGINT', 'BINARY', 'BIT', 'BLOB', 'BOOLEAN', 'CHAR', 'CHARACTER', 'DATE',
|
|
'DEC', 'DECIMAL', 'FLOAT', 'INT', 'INTEGER', 'INTERVAL', 'NUMBER', 'NUMERIC', 'REAL',
|
|
'SERIAL', 'SMALLINT', 'VARCHAR', 'VARYING', 'INT8', 'SERIAL8', 'TEXT'), suffix=r'\b'),
|
|
Name.Builtin),
|
|
(r'[+*/<>=~!@#%^&|`?-]', Operator),
|
|
(r'[0-9]+', Number.Integer),
|
|
# TODO: Backslash escapes?
|
|
(r"'(''|[^'])*'", String.Single),
|
|
(r'"(""|[^"])*"', String.Symbol), # not a real string literal in ANSI SQL
|
|
(r'[a-z_][\w$]*', Name), # allow $s in strings for Oracle
|
|
(r'[;:()\[\],.]', Punctuation)
|
|
],
|
|
'multiline-comments': [
|
|
(r'/\*', Comment.Multiline, 'multiline-comments'),
|
|
(r'\*/', Comment.Multiline, '#pop'),
|
|
(r'[^/*]+', Comment.Multiline),
|
|
(r'[/*]', Comment.Multiline)
|
|
]
|
|
}
|
|
|
|
|
|
class TransactSqlLexer(RegexLexer):
|
|
"""
|
|
Transact-SQL (T-SQL) is Microsoft's and Sybase's proprietary extension to
|
|
SQL.
|
|
|
|
The list of keywords includes ODBC and keywords reserved for future use..
|
|
"""
|
|
|
|
name = 'Transact-SQL'
|
|
aliases = ['tsql', 't-sql']
|
|
filenames = ['*.sql']
|
|
mimetypes = ['text/x-tsql']
|
|
|
|
# Use re.UNICODE to allow non ASCII letters in names.
|
|
flags = re.IGNORECASE | re.UNICODE
|
|
tokens = {
|
|
'root': [
|
|
(r'\s+', Whitespace),
|
|
(r'--(?m).*?$\n?', Comment.Single),
|
|
(r'/\*', Comment.Multiline, 'multiline-comments'),
|
|
(words(_tsql_builtins.OPERATORS), Operator),
|
|
(words(_tsql_builtins.OPERATOR_WORDS, suffix=r'\b'), Operator.Word),
|
|
(words(_tsql_builtins.TYPES, suffix=r'\b'), Name.Class),
|
|
(words(_tsql_builtins.FUNCTIONS, suffix=r'\b'), Name.Function),
|
|
(r'(goto)(\s+)(\w+\b)', bygroups(Keyword, Whitespace, Name.Label)),
|
|
(words(_tsql_builtins.KEYWORDS, suffix=r'\b'), Keyword),
|
|
(r'(\[)([^]]+)(\])', bygroups(Operator, Name, Operator)),
|
|
(r'0x[0-9a-f]+', Number.Hex),
|
|
# Float variant 1, for example: 1., 1.e2, 1.2e3
|
|
(r'[0-9]+\.[0-9]*(e[+-]?[0-9]+)?', Number.Float),
|
|
# Float variant 2, for example: .1, .1e2
|
|
(r'\.[0-9]+(e[+-]?[0-9]+)?', Number.Float),
|
|
# Float variant 3, for example: 123e45
|
|
(r'[0-9]+e[+-]?[0-9]+', Number.Float),
|
|
(r'[0-9]+', Number.Integer),
|
|
(r"'(''|[^'])*'", String.Single),
|
|
(r'"(""|[^"])*"', String.Symbol),
|
|
(r'[;(),.]', Punctuation),
|
|
# Below we use \w even for the first "real" character because
|
|
# tokens starting with a digit have already been recognized
|
|
# as Number above.
|
|
(r'@@\w+', Name.Builtin),
|
|
(r'@\w+', Name.Variable),
|
|
(r'(\w+)(:)', bygroups(Name.Label, Punctuation)),
|
|
(r'#?#?\w+', Name), # names for temp tables and anything else
|
|
(r'\?', Name.Variable.Magic), # parameter for prepared statements
|
|
],
|
|
'multiline-comments': [
|
|
(r'/\*', Comment.Multiline, 'multiline-comments'),
|
|
(r'\*/', Comment.Multiline, '#pop'),
|
|
(r'[^/*]+', Comment.Multiline),
|
|
(r'[/*]', Comment.Multiline)
|
|
]
|
|
}
|
|
|
|
|
|
class MySqlLexer(RegexLexer):
|
|
"""
|
|
Special lexer for MySQL.
|
|
"""
|
|
|
|
name = 'MySQL'
|
|
aliases = ['mysql']
|
|
mimetypes = ['text/x-mysql']
|
|
|
|
flags = re.IGNORECASE
|
|
tokens = {
|
|
'root': [
|
|
(r'\s+', Text),
|
|
(r'(#|--\s+).*\n?', Comment.Single),
|
|
(r'/\*', Comment.Multiline, 'multiline-comments'),
|
|
(r'[0-9]+', Number.Integer),
|
|
(r'[0-9]*\.[0-9]+(e[+-][0-9]+)', Number.Float),
|
|
(r"'(\\\\|\\'|''|[^'])*'", String.Single),
|
|
(r'"(\\\\|\\"|""|[^"])*"', String.Double),
|
|
(r"`(\\\\|\\`|``|[^`])*`", String.Symbol),
|
|
(r'[+*/<>=~!@#%^&|`?-]', Operator),
|
|
(r'\b(tinyint|smallint|mediumint|int|integer|bigint|date|'
|
|
r'datetime|time|bit|bool|tinytext|mediumtext|longtext|text|'
|
|
r'tinyblob|mediumblob|longblob|blob|float|double|double\s+'
|
|
r'precision|real|numeric|dec|decimal|timestamp|year|char|'
|
|
r'varchar|varbinary|varcharacter|enum|set)(\b\s*)(\()?',
|
|
bygroups(Keyword.Type, Text, Punctuation)),
|
|
(r'\b(add|all|alter|analyze|and|as|asc|asensitive|before|between|'
|
|
r'bigint|binary|blob|both|by|call|cascade|case|change|char|'
|
|
r'character|check|collate|column|condition|constraint|continue|'
|
|
r'convert|create|cross|current_date|current_time|'
|
|
r'current_timestamp|current_user|cursor|database|databases|'
|
|
r'day_hour|day_microsecond|day_minute|day_second|dec|decimal|'
|
|
r'declare|default|delayed|delete|desc|describe|deterministic|'
|
|
r'distinct|distinctrow|div|double|drop|dual|each|else|elseif|'
|
|
r'enclosed|escaped|exists|exit|explain|fetch|flush|float|float4|'
|
|
r'float8|for|force|foreign|from|fulltext|grant|group|having|'
|
|
r'high_priority|hour_microsecond|hour_minute|hour_second|if|'
|
|
r'ignore|in|index|infile|inner|inout|insensitive|insert|int|'
|
|
r'int1|int2|int3|int4|int8|integer|interval|into|is|iterate|'
|
|
r'join|key|keys|kill|leading|leave|left|like|limit|lines|load|'
|
|
r'localtime|localtimestamp|lock|long|loop|low_priority|match|'
|
|
r'minute_microsecond|minute_second|mod|modifies|natural|'
|
|
r'no_write_to_binlog|not|numeric|on|optimize|option|optionally|'
|
|
r'or|order|out|outer|outfile|precision|primary|procedure|purge|'
|
|
r'raid0|read|reads|real|references|regexp|release|rename|repeat|'
|
|
r'replace|require|restrict|return|revoke|right|rlike|schema|'
|
|
r'schemas|second_microsecond|select|sensitive|separator|set|'
|
|
r'show|smallint|soname|spatial|specific|sql|sql_big_result|'
|
|
r'sql_calc_found_rows|sql_small_result|sqlexception|sqlstate|'
|
|
r'sqlwarning|ssl|starting|straight_join|table|terminated|then|'
|
|
r'to|trailing|trigger|undo|union|unique|unlock|unsigned|update|'
|
|
r'usage|use|using|utc_date|utc_time|utc_timestamp|values|'
|
|
r'varying|when|where|while|with|write|x509|xor|year_month|'
|
|
r'zerofill)\b', Keyword),
|
|
# TODO: this list is not complete
|
|
(r'\b(auto_increment|engine|charset|tables)\b', Keyword.Pseudo),
|
|
(r'(true|false|null)', Name.Constant),
|
|
(r'([a-z_]\w*)(\s*)(\()',
|
|
bygroups(Name.Function, Text, Punctuation)),
|
|
(r'[a-z_]\w*', Name),
|
|
(r'@[a-z0-9]*[._]*[a-z0-9]*', Name.Variable),
|
|
(r'[;:()\[\],.]', Punctuation)
|
|
],
|
|
'multiline-comments': [
|
|
(r'/\*', Comment.Multiline, 'multiline-comments'),
|
|
(r'\*/', Comment.Multiline, '#pop'),
|
|
(r'[^/*]+', Comment.Multiline),
|
|
(r'[/*]', Comment.Multiline)
|
|
]
|
|
}
|
|
|
|
|
|
class SqliteConsoleLexer(Lexer):
|
|
"""
|
|
Lexer for example sessions using sqlite3.
|
|
|
|
.. versionadded:: 0.11
|
|
"""
|
|
|
|
name = 'sqlite3con'
|
|
aliases = ['sqlite3']
|
|
filenames = ['*.sqlite3-console']
|
|
mimetypes = ['text/x-sqlite3-console']
|
|
|
|
def get_tokens_unprocessed(self, data):
|
|
sql = SqlLexer(**self.options)
|
|
|
|
curcode = ''
|
|
insertions = []
|
|
for match in line_re.finditer(data):
|
|
line = match.group()
|
|
if line.startswith('sqlite> ') or line.startswith(' ...> '):
|
|
insertions.append((len(curcode),
|
|
[(0, Generic.Prompt, line[:8])]))
|
|
curcode += line[8:]
|
|
else:
|
|
if curcode:
|
|
for item in do_insertions(insertions,
|
|
sql.get_tokens_unprocessed(curcode)):
|
|
yield item
|
|
curcode = ''
|
|
insertions = []
|
|
if line.startswith('SQL error: '):
|
|
yield (match.start(), Generic.Traceback, line)
|
|
else:
|
|
yield (match.start(), Generic.Output, line)
|
|
if curcode:
|
|
for item in do_insertions(insertions,
|
|
sql.get_tokens_unprocessed(curcode)):
|
|
yield item
|
|
|
|
|
|
class RqlLexer(RegexLexer):
|
|
"""
|
|
Lexer for Relation Query Language.
|
|
|
|
`RQL <http://www.logilab.org/project/rql>`_
|
|
|
|
.. versionadded:: 2.0
|
|
"""
|
|
name = 'RQL'
|
|
aliases = ['rql']
|
|
filenames = ['*.rql']
|
|
mimetypes = ['text/x-rql']
|
|
|
|
flags = re.IGNORECASE
|
|
tokens = {
|
|
'root': [
|
|
(r'\s+', Text),
|
|
(r'(DELETE|SET|INSERT|UNION|DISTINCT|WITH|WHERE|BEING|OR'
|
|
r'|AND|NOT|GROUPBY|HAVING|ORDERBY|ASC|DESC|LIMIT|OFFSET'
|
|
r'|TODAY|NOW|TRUE|FALSE|NULL|EXISTS)\b', Keyword),
|
|
(r'[+*/<>=%-]', Operator),
|
|
(r'(Any|is|instance_of|CWEType|CWRelation)\b', Name.Builtin),
|
|
(r'[0-9]+', Number.Integer),
|
|
(r'[A-Z_]\w*\??', Name),
|
|
(r"'(''|[^'])*'", String.Single),
|
|
(r'"(""|[^"])*"', String.Single),
|
|
(r'[;:()\[\],.]', Punctuation)
|
|
],
|
|
}
|