189 lines
7.9 KiB
Python
189 lines
7.9 KiB
Python
from tab import StackTabber
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from mode import Fundamental
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from lex import Grammar, PatternRule, NocasePatternRule, RegionRule, NocaseRegionRule, OverridePatternRule
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from mode.python import StringGrammar1, StringGrammar2
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class BitStringGrammar(Grammar):
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rules = [PatternRule(r'data', r'[01]+')]
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class HexStringGrammar(Grammar):
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rules = [NocasePatternRule(r'data', r'[0-9a-f]+')]
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base_rules = [
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PatternRule(r'spaces', r' +'),
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OverridePatternRule(r'comment', r'--@@:(?P<token>[.a-zA-Z0-9_]+):(?P<mode>[.a-zA-Z0-9_]+) *$'),
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PatternRule(r'comment', r'--.*$'),
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RegionRule(r'comment', '/\*', Grammar, '\*/'),
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PatternRule(r'delimiter', r':=|[():;,\.\[\]~]'),
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]
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end_rules = [
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NocasePatternRule(r'sql_bareword', r'[a-z_][a-z0-9_]*'),
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PatternRule(r'eol', r'\n'),
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]
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class PlPgSqlGrammar1(Grammar): pass
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class PlPgSqlGrammar2(Grammar): pass
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sql_type_rule = NocasePatternRule(r'sql_type', r'(?:void|row|serial|varchar|float|integer|int|text|timestamptz|timestamp|datetz|date|timetz|time|bytea|boolean|bool)(?![A-Za-z0-9_])')
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class FunctionGrammar(Grammar):
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rules = base_rules + [
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PatternRule(r'name', r'[a-zA-Z_][a-zA-Z0-9_]*(?=\()'),
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NocasePatternRule(r'keyword', r'(?:as|returns|language)'),
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sql_type_rule,
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NocasePatternRule(r'language', r'(?<=language ) *\'[a-zA-Z_][a-zA-Z0-9_]+\''),
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NocaseRegionRule(r'body', r"(?<=as )'", PlPgSqlGrammar1, "'(?!')"),
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NocaseRegionRule(r'body', r"(?<=as )(?P<delim>\$[^$]*\$)", PlPgSqlGrammar2, r"%(delim)s"),
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RegionRule(r'string', "'", StringGrammar1, "'"),
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] + end_rules
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function_rules = [
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NocaseRegionRule(r'function', r'create function', FunctionGrammar, r';'),
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NocaseRegionRule(r'function', r'create or replace function', FunctionGrammar, r';'),
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]
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sql_rules = [
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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'keyword', r'for update'),
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NocasePatternRule(r'sql_keyword', r'(?:while|for|if|loop|end loop|end if|case|when|then|else|not in|not|and|or|is not|is|in|between|overlaps|like|ilike|similar)(?![A-Za-z0-9_])'),
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NocasePatternRule(r'keyword', r'(?:alias for|set|return|declare|end|begin|commit|create database|create index|create sequence|create table|create trigger|create view|select into|select|insert into|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'builtin', r'(?:returns|language|right join|left join|inner join|outer join|join|where|unknown|null|true|false|into|values|as|from|order by|asc|desc|limit|distinct|cascade|using|on)(?![A-Za-z0-9_])'),
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sql_type_rule,
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PatternRule(r'sql_builtin', r'(?:nextval|current_timestamp|current_time|current_date)(?![A-Za-z0-9_])'),
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PatternRule(r'number', r'[0-9]+(?:e[+-]?[0-9]+)?'),
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PatternRule(r'number', r'[0-9]+\.(?:[0-9]+)?(?:e[+-]?[0-9]+)?'),
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PatternRule(r'number', r'\.[0-9]+(?:e[+-]?[0-9]+)'),
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RegionRule(r'sql_quoted', '"', StringGrammar2, '"'),
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]
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string_rules = [
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RegionRule(r'string', "B'", BitStringGrammar, "'"),
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RegionRule(r'string', "X'", HexStringGrammar, "'"),
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RegionRule(r'string', "'", StringGrammar1, "'"),
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]
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PlPgSqlGrammar1.rules = [
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PatternRule(r'variable', r'\$[0-9]+'),
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] + base_rules + sql_rules + [
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RegionRule(r'string', "B''", BitStringGrammar, "''"),
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RegionRule(r'string', "X''", HexStringGrammar, "''"),
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RegionRule(r'string', "''", StringGrammar1, "''"),
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] + end_rules
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PlPgSqlGrammar2.rules = [
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PatternRule(r'variable', r'\$[0-9]+'),
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] + base_rules + sql_rules + [
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RegionRule(r'string', "B'", BitStringGrammar, "'"),
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RegionRule(r'string', "X'", HexStringGrammar, "'"),
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RegionRule(r'string', "'", StringGrammar1, "'"),
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] + end_rules
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class SqlGrammar(Grammar):
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rules = base_rules + function_rules + sql_rules + string_rules + end_rules
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class SqlTabber(StackTabber):
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wst = ('spaces', 'null', 'eol', 'function.body.spaces', 'function.body.eol')
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st = ('spaces', 'null', 'function.body.spaces')
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def is_base(self, y):
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if y == 0: return True
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highlighter = self.mode.window.buffer.highlights[self.mode.name]
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if not highlighter.tokens[y]: 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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w = self.mode.tabwidth
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token = self.get_token(y, i)
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s = token.string.lower()
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fqname = token.fqname()
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unhandled = False
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if token.name == 'delimiter' and s == ';':
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self._opt_pop('cont')
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elif token.name == 'eol':
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pass
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elif token.name == 'spaces':
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pass
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elif token.name == 'comment':
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pass
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elif fqname in ('function.body.start', 'function.body.end'):
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pass
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elif fqname in ('function.start', 'function.end'):
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pass
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elif token.name == 'sql_keyword':
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if s in ('then', 'loop'):
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pass
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elif s == 'if':
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self._append('if', currlvl + w)
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elif s == 'end if':
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self._opt_pop('if')
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currlvl = self.get_curr_level()
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elif s == 'end loop':
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self._opt_pop('loop')
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currlvl = self.get_curr_level()
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elif s == 'else':
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currlvl -= w
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elif s in ('while', 'for'):
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self._append('loop', currlvl + w)
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else:
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unhandled = True
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elif token.name == 'keyword':
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if s == 'declare':
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self._append('declare', currlvl + w)
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elif s == 'begin':
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currlvl -= w
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elif s == 'end':
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self._opt_pop('declare')
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currlvl = self.get_curr_level()
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else:
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unhandled = True
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else:
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unhandled = True
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#if self.is_rightmost_token(y, i) and unhandled:
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# self._opt_append('cont', currlvl + w)
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return currlvl
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class Sql(Fundamental):
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name = 'Sql'
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extensions = ['.sql']
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grammar = SqlGrammar
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tabbercls = SqlTabber
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commentc = '--'
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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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colors = {
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'sql_keyword': ('magenta', 'default', 'bold'),
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'attribute': ('magenta', 'default', 'bold'),
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'sql_type': ('green', 'default', 'bold'),
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'sql_builtin': ('yellow', 'default', 'bold'),
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'sql_quoted.start': ('yellow', 'default', 'bold'),
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'sql_quoted.data': ('yellow', 'default', 'bold'),
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'sql_quoted.null': ('yellow', 'default', 'bold'),
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'sql_quoted.end': ('yellow', 'default', 'bold'),
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'sql_variable': ('yellow', 'default', 'bold'),
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'sql_bareword': ('default', 'default'),
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'function.start': ('cyan', 'default', 'bold'),
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'function.data': ('default', 'default'),
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'function.null': ('default', 'default'),
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'function.name': ('default', 'default'),
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'function.body.start': ('green', 'default', 'bold'),
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'function.body.sql_bareword': ('default', 'default'),
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'function.body.data': ('default', 'default'),
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'function.body.null': ('default', 'default'),
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'function.body.end': ('green', 'default', 'bold'),
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'function.language': ('green', 'default', 'bold'),
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'function.end': ('default', 'default'),
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}
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_bindings = {
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'close-paren': (')',),
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'close-brace': ('}',),
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'close-bracket': (']',),
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}
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install = Sql.install
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