diff options
Diffstat (limited to 'pygments/lexers/sql.py')
| -rw-r--r-- | pygments/lexers/sql.py | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/pygments/lexers/sql.py b/pygments/lexers/sql.py index a7736f75..7c06226b 100644 --- a/pygments/lexers/sql.py +++ b/pygments/lexers/sql.py @@ -57,11 +57,14 @@ line_re = re.compile('.*?\n') language_re = re.compile(r"\s+LANGUAGE\s+'?(\w+)'?", re.IGNORECASE) +do_re = re.compile(r'\bDO\b', re.IGNORECASE) + def language_callback(lexer, match): """Parse the content of a $-string using a lexer - The lexer is chosen looking for a nearby LANGUAGE. + The lexer is chosen looking for a nearby LANGUAGE or assumed as + plpgsql if inside a DO statement and no LANGUAGE has been found. """ l = None m = language_re.match(lexer.text[match.end():match.end()+100]) @@ -72,15 +75,26 @@ def language_callback(lexer, match): lexer.text[max(0, match.start()-100):match.start()])) if m: l = lexer._get_lexer(m[-1].group(1)) - + else: + m = list(do_re.finditer( + lexer.text[max(0, match.start()-25):match.start()])) + if m: + l = lexer._get_lexer('plpgsql') + + # 1 = $, 2 = delimiter, 3 = $ + yield (match.start(1), String, match.group(1)) + yield (match.start(2), String.Delimiter, match.group(2)) + yield (match.start(3), String, match.group(3)) + # 4 = string contents if l: - yield (match.start(1), String, match.group(1)) - for x in l.get_tokens_unprocessed(match.group(2)): + for x in l.get_tokens_unprocessed(match.group(4)): yield x - yield (match.start(3), String, match.group(3)) - else: - yield (match.start(), String, match.group()) + yield (match.start(4), String, match.group(4)) + # 5 = $, 6 = delimiter, 7 = $ + yield (match.start(5), String, match.group(5)) + yield (match.start(6), String.Delimiter, match.group(6)) + yield (match.start(7), String, match.group(7)) class PostgresBase(object): @@ -148,9 +162,10 @@ class PostgresLexer(PostgresBase, RegexLexer): (r'\$\d+', Name.Variable), (r'([0-9]*\.[0-9]*|[0-9]+)(e[+-]?[0-9]+)?', Number.Float), (r'[0-9]+', Number.Integer), - (r"(E|U&)?'", String.Single, 'string'), - (r'(U&)?"', String.Name, 'quoted-ident'), # quoted identifier - (r'(?s)(\$[^$]*\$)(.*?)(\1)', language_callback), + (r"((?:E|U&)?)(')", bygroups(String.Affix, String.Single), 'string'), + # quoted identifier + (r'((?:U&)?)(")', bygroups(String.Affix, String.Name), 'quoted-ident'), + (r'(?s)(\$)([^$]*)(\$)(.*?)(\$)(\2)(\$)', language_callback), (r'[a-z_]\w*', Name), # psql variable in SQL |