72 lines
3.8 KiB
Python
72 lines
3.8 KiB
Python
import color, mode2, tab2
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from lex2 import Grammar, PatternRule, NocasePatternRule, RegionRule
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from mode_python import StringGrammar
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class SqlGrammar(Grammar):
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rules = [
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PatternRule(r'comment', r'--.*\n$'),
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RegionRule(r'comment', '/\*', Grammar, '\*/'),
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PatternRule(r'delimiter', r'[();,\.:\$\[\]]'),
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NocasePatternRule(r'attribute', r'(?:check|exists|unique|not null|default|primary key|minvalue|foreign key|references)(?![A-Za-z0-9_])'),
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NocasePatternRule(r'operator', r'(?:case|when|then|else|end|not|and|or|is not|is|in|not in)(?![A-Za-z0-9_])'),
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NocasePatternRule(r'keyword', r'(?:create database|create index|create sequence|create table|create trigger|create view|select|insert|update|delete|drop database|drop index|drop sequence|drop table|drop trigger|drop view|create user|alter user|drop user|drop function|grant|revoke|create function|create or replace function|create or replace view|create language|create operator|create type)(?![A-Za-z0-9_])'),
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NocasePatternRule(r'pseudokeyword', r'(?:returns|language|right join|left join|inner join|outer join|join|where|null|true|false|into|values|as|from|order by|asc|desc|limit|distinct|cascade|using|on)(?![A-Za-z0-9_])'),
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NocasePatternRule(r'type', r'(?:void|row|serial|varchar|float|integer|int|text|timestamptz|timestamp|datetz|date|timetz|time|boolean|bool)(?![A-Za-z0-9_])'),
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PatternRule(r'function', r'(?:nextval|current_timestamp|current_time|current_date)(?![A-Za-z0-9_])'),
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RegionRule(r'string', "'", StringGrammar, "'"),
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RegionRule(r'quoted', '"', StringGrammar, '"'),
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PatternRule(r'bareword', r'[A-Za-z0-9_]+'),
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PatternRule(r'empty', r'^ *\n$'),
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PatternRule(r'eol', r'; *\n'),
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PatternRule(r'continuation', r'\n'),
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]
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class SqlTabber(tab2.StackTabber):
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def is_base(self, y):
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if y == 0:
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return True
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highlighter = self.mode.window.buffer.highlights[self.mode.name()]
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if not highlighter.tokens[y]:
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return False
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t = highlighter.tokens[y][0]
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return t.name == 'function'
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def _handle_other_token(self, currlvl, y, i):
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token = self.get_token(y, i)
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if self.is_rightmost_token(y, i):
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if not self._empty() and token.name == 'continuation':
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self._opt_append('cont', currlvl + 4)
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elif token.name == 'eol':
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self._opt_pop("cont")
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return currlvl
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class Sql(mode2.Fundamental):
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grammar = SqlGrammar
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tabbercls = SqlTabber
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opentokens = ('delimiter',)
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetokens = ('delimiter',)
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closetags = {')': '(', ']': '[', '}': '{'}
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def __init__(self, w):
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mode2.Fundamental.__init__(self, w)
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self.add_bindings('close-paren', (')',))
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self.add_bindings('close-brace', ('}',))
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self.add_bindings('close-bracket', (']',))
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self.colors = {
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'comment': color.build('red', 'default'),
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'operator': color.build('yellow', 'default'),
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'attribute': color.build('magenta', 'default'),
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'keyword': color.build('cyan', 'default'),
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'pseudokeyword': color.build('cyan', 'default'),
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'type': color.build('green', 'default'),
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'function': color.build('yellow', 'default'),
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'quoted': color.build('yellow', 'default'),
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'string.start': color.build('green', 'default'),
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'string.null': color.build('green', 'default'),
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'string.escaped': color.build('magenta', 'default'),
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'string.octal': color.build('magenta', 'default'),
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'string.end': color.build('green', 'default'),
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'bareword': color.build('default', 'default'),
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}
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def name(self):
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return "Sql"
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