mirror of
https://github.com/alecthomas/chroma.git
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Fix Dollar-Quoted Strings (postgres + cql)
This commit refactors code from the markdown lexer into the chroma package, and alters the PostgreSQL and CQL lexers to make use of it. Additionally, an example markdown with the various sublexers is added.
This commit is contained in:
Kenneth Shaw
parent
307ceefd96
commit
95d0a9381b
@ -23,6 +23,15 @@ var CassandraCQL = internal.Register(MustNewLexer(
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{`(ascii|bigint|blob|boolean|counter|date|decimal|double|float|frozen|inet|int|list|map|set|smallint|text|time|timestamp|timeuuid|tinyint|tuple|uuid|varchar|varint)\b`, NameBuiltin, nil},
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{Words(``, `\b`, `ADD`, `AGGREGATE`, `ALL`, `ALLOW`, `ALTER`, `AND`, `ANY`, `APPLY`, `AS`, `ASC`, `AUTHORIZE`, `BATCH`, `BEGIN`, `BY`, `CLUSTERING`, `COLUMNFAMILY`, `COMPACT`, `CONSISTENCY`, `COUNT`, `CREATE`, `CUSTOM`, `DELETE`, `DESC`, `DISTINCT`, `DROP`, `EACH_QUORUM`, `ENTRIES`, `EXISTS`, `FILTERING`, `FROM`, `FULL`, `GRANT`, `IF`, `IN`, `INDEX`, `INFINITY`, `INSERT`, `INTO`, `KEY`, `KEYS`, `KEYSPACE`, `KEYSPACES`, `LEVEL`, `LIMIT`, `LOCAL_ONE`, `LOCAL_QUORUM`, `MATERIALIZED`, `MODIFY`, `NAN`, `NORECURSIVE`, `NOSUPERUSER`, `NOT`, `OF`, `ON`, `ONE`, `ORDER`, `PARTITION`, `PASSWORD`, `PER`, `PERMISSION`, `PERMISSIONS`, `PRIMARY`, `QUORUM`, `RENAME`, `REVOKE`, `SCHEMA`, `SELECT`, `STATIC`, `STORAGE`, `SUPERUSER`, `TABLE`, `THREE`, `TO`, `TOKEN`, `TRUNCATE`, `TTL`, `TWO`, `TYPE`, `UNLOGGED`, `UPDATE`, `USE`, `USER`, `USERS`, `USING`, `VALUES`, `VIEW`, `WHERE`, `WITH`, `WRITETIME`, `REPLICATION`, `OR`, `REPLACE`, `FUNCTION`, `CALLED`, `INPUT`, `RETURNS`, `LANGUAGE`, `ROLE`, `ROLES`, `TRIGGER`, `DURABLE_WRITES`, `LOGIN`, `OPTIONS`, `LOGGED`, `SFUNC`, `STYPE`, `FINALFUNC`, `INITCOND`, `IS`, `CONTAINS`, `JSON`, `PAGING`, `OFF`), Keyword, nil},
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{"[+*/<>=~!@#%^&|`?-]+", Operator, nil},
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{`(?s)(java|javascript)(\s+)(AS)(\s+)('|\$\$)(.*?)(\5)`,
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UsingByGroup(
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internal.Get,
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1, 6,
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NameBuiltin, TextWhitespace, Keyword, TextWhitespace,
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LiteralStringHeredoc, LiteralStringHeredoc, LiteralStringHeredoc,
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),
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nil,
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},
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{`(true|false|null)\b`, KeywordConstant, nil},
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{`0x[0-9a-f]+`, LiteralNumberHex, nil},
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{`[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}`, LiteralNumberHex, nil},
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@ -21,8 +21,15 @@ var Markdown = internal.Register(MustNewLexer(
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{`^(\s*)([*-])(\s)(.+\n)`, ByGroups(Text, Keyword, Text, UsingSelf("inline")), nil},
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{`^(\s*)([0-9]+\.)( .+\n)`, ByGroups(Text, Keyword, UsingSelf("inline")), nil},
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{`^(\s*>\s)(.+\n)`, ByGroups(Keyword, GenericEmph), nil},
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{"^(```\\n)([\\w\\W]*?)(^```$)", ByGroups(LiteralString, Text, LiteralString), nil},
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{"^(```)(\\w+)(\\n)([\\w\\W]*?)(^```$)", EmitterFunc(markdownCodeBlock), nil},
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{"^(```\\n)([\\w\\W]*?)(^```$)", ByGroups(String, Text, String), nil},
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{"^(```)(\\w+)(\\n)([\\w\\W]*?)(^```$)",
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UsingByGroup(
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internal.Get,
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2, 4,
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String, String, String, Text, String,
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),
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nil,
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},
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Include("inline"),
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},
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"inline": {
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@ -38,26 +45,3 @@ var Markdown = internal.Register(MustNewLexer(
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},
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},
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))
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func markdownCodeBlock(groups []string, lexer Lexer) Iterator {
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iterators := []Iterator{}
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tokens := []*Token{
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{String, groups[1]},
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{String, groups[2]},
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{Text, groups[3]},
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}
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code := groups[4]
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lexer = internal.Get(groups[2])
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if lexer == nil {
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tokens = append(tokens, &Token{String, code})
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iterators = append(iterators, Literator(tokens...))
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} else {
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sub, err := lexer.Tokenise(nil, code)
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if err != nil {
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panic(err)
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}
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iterators = append(iterators, Literator(tokens...), sub)
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}
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iterators = append(iterators, Literator(&Token{String, groups[5]}))
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return Concaterator(iterators...)
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}
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@ -21,6 +21,18 @@ var PostgreSQL = internal.Register(MustNewLexer(
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{`--.*\n?`, CommentSingle, nil},
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{`/\*`, CommentMultiline, Push("multiline-comments")},
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{`(bigint|bigserial|bit|bit\s+varying|bool|boolean|box|bytea|char|character|character\s+varying|cidr|circle|date|decimal|double\s+precision|float4|float8|inet|int|int2|int4|int8|integer|interval|json|jsonb|line|lseg|macaddr|money|numeric|path|pg_lsn|point|polygon|real|serial|serial2|serial4|serial8|smallint|smallserial|text|time|timestamp|timestamptz|timetz|tsquery|tsvector|txid_snapshot|uuid|varbit|varchar|with\s+time\s+zone|without\s+time\s+zone|xml|anyarray|anyelement|anyenum|anynonarray|anyrange|cstring|fdw_handler|internal|language_handler|opaque|record|void)\b`, NameBuiltin, nil},
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{`(?s)(DO)(\s+)(?:(LANGUAGE)?(\s+)('?)(\w+)?('?)(\s+))?(\$)([^$]*)(\$)(.*?)(\$)(\10)(\$)`,
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UsingByGroup(
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internal.Get,
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6, 12,
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Keyword, Text, Keyword, Text, // DO LANGUAGE
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StringSingle, StringSingle, StringSingle, Text, // 'plpgsql'
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StringHeredoc, StringHeredoc, StringHeredoc, // $tag$
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StringHeredoc, // (code block)
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StringHeredoc, StringHeredoc, StringHeredoc, // $tag$
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),
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nil,
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},
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{Words(``, `\b`, `ABORT`, `ABSOLUTE`, `ACCESS`, `ACTION`, `ADD`, `ADMIN`, `AFTER`, `AGGREGATE`, `ALL`, `ALSO`, `ALTER`, `ALWAYS`, `ANALYSE`, `ANALYZE`, `AND`, `ANY`, `ARRAY`, `AS`, `ASC`, `ASSERTION`, `ASSIGNMENT`, `ASYMMETRIC`, `AT`, `ATTRIBUTE`, `AUTHORIZATION`, `BACKWARD`, `BEFORE`, `BEGIN`, `BETWEEN`, `BIGINT`, `BINARY`, `BIT`, `BOOLEAN`, `BOTH`, `BY`, `CACHE`, `CALLED`, `CASCADE`, `CASCADED`, `CASE`, `CAST`, `CATALOG`, `CHAIN`, `CHAR`, `CHARACTER`, `CHARACTERISTICS`, `CHECK`, `CHECKPOINT`, `CLASS`, `CLOSE`, `CLUSTER`, `COALESCE`, `COLLATE`, `COLLATION`, `COLUMN`, `COMMENT`, `COMMENTS`, `COMMIT`, `COMMITTED`, `CONCURRENTLY`, `CONFIGURATION`, `CONNECTION`, `CONSTRAINT`, `CONSTRAINTS`, `CONTENT`, `CONTINUE`, `CONVERSION`, `COPY`, `COST`, `CREATE`, `CROSS`, `CSV`, `CURRENT`, `CURRENT_CATALOG`, `CURRENT_DATE`, `CURRENT_ROLE`, `CURRENT_SCHEMA`, `CURRENT_TIME`, `CURRENT_TIMESTAMP`, `CURRENT_USER`, `CURSOR`, `CYCLE`, `DATA`, `DATABASE`, `DAY`, `DEALLOCATE`, `DEC`, `DECIMAL`, `DECLARE`, `DEFAULT`, `DEFAULTS`, `DEFERRABLE`, `DEFERRED`, `DEFINER`, `DELETE`, `DELIMITER`, `DELIMITERS`, `DESC`, `DICTIONARY`, `DISABLE`, `DISCARD`, `DISTINCT`, `DO`, `DOCUMENT`, `DOMAIN`, `DOUBLE`, `DROP`, `EACH`, `ELSE`, `ENABLE`, `ENCODING`, `ENCRYPTED`, `END`, `ENUM`, `ESCAPE`, `EVENT`, `EXCEPT`, `EXCLUDE`, `EXCLUDING`, `EXCLUSIVE`, `EXECUTE`, `EXISTS`, `EXPLAIN`, `EXTENSION`, `EXTERNAL`, `EXTRACT`, `FALSE`, `FAMILY`, `FETCH`, `FILTER`, `FIRST`, `FLOAT`, `FOLLOWING`, `FOR`, `FORCE`, `FOREIGN`, `FORWARD`, `FREEZE`, `FROM`, `FULL`, `FUNCTION`, `FUNCTIONS`, `GLOBAL`, `GRANT`, `GRANTED`, `GREATEST`, `GROUP`, `HANDLER`, `HAVING`, `HEADER`, `HOLD`, `HOUR`, `IDENTITY`, `IF`, `ILIKE`, `IMMEDIATE`, `IMMUTABLE`, `IMPLICIT`, `IN`, `INCLUDING`, `INCREMENT`, `INDEX`, `INDEXES`, `INHERIT`, `INHERITS`, `INITIALLY`, `INLINE`, `INNER`, `INOUT`, `INPUT`, `INSENSITIVE`, `INSERT`, `INSTEAD`, `INT`, `INTEGER`, `INTERSECT`, `INTERVAL`, `INTO`, `INVOKER`, `IS`, `ISNULL`, `ISOLATION`, `JOIN`, `KEY`, `LABEL`, `LANGUAGE`, `LARGE`, `LAST`, `LATERAL`, `LC_COLLATE`, `LC_CTYPE`, `LEADING`, `LEAKPROOF`, `LEAST`, `LEFT`, `LEVEL`, `LIKE`, `LIMIT`, `LISTEN`, `LOAD`, `LOCAL`, `LOCALTIME`, `LOCALTIMESTAMP`, `LOCATION`, `LOCK`, `MAPPING`, `MATCH`, `MATERIALIZED`, `MAXVALUE`, `MINUTE`, `MINVALUE`, `MODE`, `MONTH`, `MOVE`, `NAME`, `NAMES`, `NATIONAL`, `NATURAL`, `NCHAR`, `NEXT`, `NO`, `NONE`, `NOT`, `NOTHING`, `NOTIFY`, `NOTNULL`, `NOWAIT`, `NULL`, `NULLIF`, `NULLS`, `NUMERIC`, `OBJECT`, `OF`, `OFF`, `OFFSET`, `OIDS`, `ON`, `ONLY`, `OPERATOR`, `OPTION`, `OPTIONS`, `OR`, `ORDER`, `ORDINALITY`, `OUT`, `OUTER`, `OVER`, `OVERLAPS`, `OVERLAY`, `OWNED`, `OWNER`, `PARSER`, `PARTIAL`, `PARTITION`, `PASSING`, `PASSWORD`, `PLACING`, `PLANS`, `POLICY`, `POSITION`, `PRECEDING`, `PRECISION`, `PREPARE`, `PREPARED`, `PRESERVE`, `PRIMARY`, `PRIOR`, `PRIVILEGES`, `PROCEDURAL`, `PROCEDURE`, `PROGRAM`, `QUOTE`, `RANGE`, `READ`, `REAL`, `REASSIGN`, `RECHECK`, `RECURSIVE`, `REF`, `REFERENCES`, `REFRESH`, `REINDEX`, `RELATIVE`, `RELEASE`, `RENAME`, `REPEATABLE`, `REPLACE`, `REPLICA`, `RESET`, `RESTART`, `RESTRICT`, `RETURNING`, `RETURNS`, `REVOKE`, `RIGHT`, `ROLE`, `ROLLBACK`, `ROW`, `ROWS`, `RULE`, `SAVEPOINT`, `SCHEMA`, `SCROLL`, `SEARCH`, `SECOND`, `SECURITY`, `SELECT`, `SEQUENCE`, `SEQUENCES`, `SERIALIZABLE`, `SERVER`, `SESSION`, `SESSION_USER`, `SET`, `SETOF`, `SHARE`, `SHOW`, `SIMILAR`, `SIMPLE`, `SMALLINT`, `SNAPSHOT`, `SOME`, `STABLE`, `STANDALONE`, `START`, `STATEMENT`, `STATISTICS`, `STDIN`, `STDOUT`, `STORAGE`, `STRICT`, `STRIP`, `SUBSTRING`, `SYMMETRIC`, `SYSID`, `SYSTEM`, `TABLE`, `TABLES`, `TABLESPACE`, `TEMP`, `TEMPLATE`, `TEMPORARY`, `TEXT`, `THEN`, `TIME`, `TIMESTAMP`, `TO`, `TRAILING`, `TRANSACTION`, `TREAT`, `TRIGGER`, `TRIM`, `TRUE`, `TRUNCATE`, `TRUSTED`, `TYPE`, `TYPES`, `UNBOUNDED`, `UNCOMMITTED`, `UNENCRYPTED`, `UNION`, `UNIQUE`, `UNKNOWN`, `UNLISTEN`, `UNLOGGED`, `UNTIL`, `UPDATE`, `USER`, `USING`, `VACUUM`, `VALID`, `VALIDATE`, `VALIDATOR`, `VALUE`, `VALUES`, `VARCHAR`, `VARIADIC`, `VARYING`, `VERBOSE`, `VERSION`, `VIEW`, `VIEWS`, `VOLATILE`, `WHEN`, `WHERE`, `WHITESPACE`, `WINDOW`, `WITH`, `WITHIN`, `WITHOUT`, `WORK`, `WRAPPER`, `WRITE`, `XML`, `XMLATTRIBUTES`, `XMLCONCAT`, `XMLELEMENT`, `XMLEXISTS`, `XMLFOREST`, `XMLPARSE`, `XMLPI`, `XMLROOT`, `XMLSERIALIZE`, `YEAR`, `YES`, `ZONE`), Keyword, nil},
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{"[+*/<>=~!@#%^&|`?-]+", Operator, nil},
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{`::`, Operator, nil},
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@ -29,7 +41,18 @@ var PostgreSQL = internal.Register(MustNewLexer(
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{`[0-9]+`, LiteralNumberInteger, nil},
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{`((?:E|U&)?)(')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Push("string")},
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{`((?:U&)?)(")`, ByGroups(LiteralStringAffix, LiteralStringName), Push("quoted-ident")},
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// { `(?s)(\$)([^$]*)(\$)(.*?)(\$)(\2)(\$)`, ?? <function language_callback at 0x101105400> ??, nil },
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{`(?s)(\$)([^$]*)(\$)(.*?)(\$)(\2)(\$)(\s+)(LANGUAGE)?(\s+)('?)(\w+)?('?)`,
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UsingByGroup(internal.Get,
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12, 4,
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StringHeredoc, StringHeredoc, StringHeredoc, // $tag$
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StringHeredoc, // (code block)
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StringHeredoc, StringHeredoc, StringHeredoc, // $tag$
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Text, Keyword, Text, // <space> LANGUAGE <space>
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StringSingle, StringSingle, StringSingle, // 'type'
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),
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nil,
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},
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{`(?s)(\$)([^$]*)(\$)(.*?)(\$)(\2)(\$)`, LiteralStringHeredoc, nil},
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{`[a-z_]\w*`, Name, nil},
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{`:(['"]?)[a-z]\w*\b\1`, NameVariable, nil},
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{`[;:()\[\]{},.]`, Punctuation, nil},
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12
lexers/testdata/cql.actual
vendored
12
lexers/testdata/cql.actual
vendored
@ -54,3 +54,15 @@ CREATE MATERIALIZED VIEW cyclist_by_country AS SELECT age, birthday, name, count
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CREATE MATERIALIZED VIEW cyclist_by_birthday AS SELECT age, birthday, name, country FROM cyclist_mv WHERE birthday is NOT NULL AND cid IS NOT NULL PRIMARY KEY (birthday, cid);
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DROP MATERIALIZED VIEW cyclist_by_age;
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INSERT INTO cycling.calendar (race_id, race_name, race_start_date, race_end_date) VALUES (200, 'placeholder', '2015-05-27', '2015-05-27') USING TIMESTAMP 123456789;
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CREATE FUNCTION IF NOT EXISTS cycling.left (column TEXT,num int)
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RETURNS NULL ON NULL INPUT
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RETURNS text
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LANGUAGE javascript AS $$
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column.substring(0,num)
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$$;
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CREATE OR REPLACE FUNCTION cycling.fLog (input double)
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CALLED ON NULL INPUT
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RETURNS double LANGUAGE java AS
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'return Double.valueOf(Math.log(input.doubleValue()));';
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112
lexers/testdata/cql.expected
vendored
112
lexers/testdata/cql.expected
vendored
@ -969,5 +969,117 @@
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberFloat","value":"123456789"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"Keyword","value":"CREATE"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"FUNCTION"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"IF"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"NOT"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"EXISTS"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"cycling"},
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{"type":"Punctuation","value":"."},
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{"type":"Name","value":"left"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"column"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"TEXT"},
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{"type":"Punctuation","value":","},
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{"type":"Name","value":"num"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"int"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"RETURNS"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordConstant","value":"NULL"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"ON"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordConstant","value":"NULL"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"INPUT"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"RETURNS"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"text"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"LANGUAGE"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"javascript"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"AS"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralStringHeredoc","value":"$$"},
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{"type":"Text","value":" \n "},
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{"type":"NameOther","value":"column"},
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{"type":"Punctuation","value":"."},
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{"type":"NameOther","value":"substring"},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralNumberInteger","value":"0"},
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{"type":"Punctuation","value":","},
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{"type":"NameOther","value":"num"},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":" \n"},
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{"type":"LiteralStringHeredoc","value":"$$"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"Keyword","value":"CREATE"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"OR"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"REPLACE"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"FUNCTION"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"cycling"},
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{"type":"Punctuation","value":"."},
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{"type":"Name","value":"fLog"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"Keyword","value":"input"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"double"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"CALLED"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"ON"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordConstant","value":"NULL"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"INPUT"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"RETURNS"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"double"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"LANGUAGE"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"java"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"AS"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"LiteralStringHeredoc","value":"'"},
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{"type":"Keyword","value":"return"},
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{"type":"Text","value":" "},
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{"type":"Name","value":"Double"},
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{"type":"Operator","value":"."},
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{"type":"NameAttribute","value":"valueOf"},
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{"type":"Operator","value":"("},
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{"type":"Name","value":"Math"},
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{"type":"Operator","value":"."},
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{"type":"NameAttribute","value":"log"},
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{"type":"Operator","value":"("},
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{"type":"Name","value":"input"},
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{"type":"Operator","value":"."},
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{"type":"NameAttribute","value":"doubleValue"},
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{"type":"Operator","value":"()));"},
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{"type":"LiteralStringHeredoc","value":"'"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n"}
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]
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81
lexers/testdata/markdown.actual
vendored
Normal file
81
lexers/testdata/markdown.actual
vendored
Normal file
@ -0,0 +1,81 @@
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# about
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## user defined function in cql
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```javascript
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column.substring(0,num)
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```
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```cql
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CREATE FUNCTION IF NOT EXISTS cycling.left (column TEXT,num int)
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RETURNS NULL ON NULL INPUT
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RETURNS text
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LANGUAGE javascript AS $$
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column.substring(0,num)
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$$;
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CREATE OR REPLACE FUNCTION cycling.fLog (input double)
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CALLED ON NULL INPUT
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RETURNS double LANGUAGE java AS
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'return Double.valueOf(Math.log(input.doubleValue()));';
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```
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```postgres
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DROP TABLE IF EXISTS emp CASCADE;
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CREATE TABLE emp (
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empname text,
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salary integer,
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||||
last_date timestamp,
|
||||
last_user text
|
||||
);
|
||||
|
||||
select
|
||||
$my_tag$aoeuaoeu$my_tag$ as blah
|
||||
;
|
||||
|
||||
CREATE OR REPLACE FUNCTION emp_stamp() RETURNS trigger AS $emp_stamp$
|
||||
BEGIN
|
||||
-- Check that empname and salary are given
|
||||
IF NEW.empname IS NULL THEN
|
||||
RAISE EXCEPTION 'empname cannot be null';
|
||||
END IF;
|
||||
IF NEW.salary IS NULL THEN
|
||||
RAISE EXCEPTION '% cannot have null salary', NEW.empname;
|
||||
END IF;
|
||||
|
||||
-- Who works for us when she must pay for it?
|
||||
IF NEW.salary < 0 THEN
|
||||
RAISE EXCEPTION '% cannot have a negative salary', NEW.empname;
|
||||
END IF;
|
||||
|
||||
-- Remember who changed the payroll when
|
||||
NEW.last_date := current_timestamp;
|
||||
NEW.last_user := current_user;
|
||||
RETURN NEW;
|
||||
END;
|
||||
$emp_stamp$ LANGUAGE plpgsql;
|
||||
|
||||
CREATE TRIGGER emp_stamp BEFORE INSERT OR UPDATE ON emp
|
||||
FOR EACH ROW EXECUTE PROCEDURE emp_stamp();
|
||||
|
||||
DO language plpgsql $$
|
||||
declare r record;
|
||||
begin
|
||||
for r in select * from books
|
||||
loop
|
||||
execute 'select ''' || r.title || '''';
|
||||
end loop;
|
||||
end
|
||||
$$;
|
||||
|
||||
DO $$
|
||||
declare r record;
|
||||
begin
|
||||
for r in select * from books
|
||||
loop
|
||||
execute 'select ''' || r.title || '''';
|
||||
end loop;
|
||||
end
|
||||
$$;
|
||||
```
|
||||
427
lexers/testdata/markdown.expected
vendored
Normal file
427
lexers/testdata/markdown.expected
vendored
Normal file
@ -0,0 +1,427 @@
|
||||
[
|
||||
{"type":"GenericHeading","value":"#"},
|
||||
{"type":"Text","value":" about\n"},
|
||||
{"type":"Error","value":"\n"},
|
||||
{"type":"GenericSubheading","value":"##"},
|
||||
{"type":"Text","value":" user defined function in cql\n"},
|
||||
{"type":"Error","value":"\n"},
|
||||
{"type":"LiteralString","value":"```javascript\n"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"NameOther","value":"column"},
|
||||
{"type":"Punctuation","value":"."},
|
||||
{"type":"NameOther","value":"substring"},
|
||||
{"type":"Punctuation","value":"("},
|
||||
{"type":"LiteralNumberInteger","value":"0"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"NameOther","value":"num"},
|
||||
{"type":"Punctuation","value":")"},
|
||||
{"type":"Text","value":" \n"},
|
||||
{"type":"LiteralString","value":"```"},
|
||||
{"type":"Error","value":"\n\n"},
|
||||
{"type":"LiteralString","value":"```cql\n"},
|
||||
{"type":"Keyword","value":"CREATE"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"FUNCTION"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"NOT"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"EXISTS"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Name","value":"cycling"},
|
||||
{"type":"Punctuation","value":"."},
|
||||
{"type":"Name","value":"left"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Punctuation","value":"("},
|
||||
{"type":"Name","value":"column"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"TEXT"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"Name","value":"num"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"int"},
|
||||
{"type":"Punctuation","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"RETURNS"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"KeywordConstant","value":"NULL"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"ON"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"KeywordConstant","value":"NULL"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"INPUT"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"RETURNS"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"text"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"LANGUAGE"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"javascript"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"AS"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"LiteralStringHeredoc","value":"$$"},
|
||||
{"type":"Text","value":" \n "},
|
||||
{"type":"NameOther","value":"column"},
|
||||
{"type":"Punctuation","value":"."},
|
||||
{"type":"NameOther","value":"substring"},
|
||||
{"type":"Punctuation","value":"("},
|
||||
{"type":"LiteralNumberInteger","value":"0"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"NameOther","value":"num"},
|
||||
{"type":"Punctuation","value":")"},
|
||||
{"type":"Text","value":" \n"},
|
||||
{"type":"LiteralStringHeredoc","value":"$$"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
{"type":"Keyword","value":"CREATE"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"OR"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"REPLACE"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"FUNCTION"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Name","value":"cycling"},
|
||||
{"type":"Punctuation","value":"."},
|
||||
{"type":"Name","value":"fLog"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Punctuation","value":"("},
|
||||
{"type":"Keyword","value":"input"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"double"},
|
||||
{"type":"Punctuation","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"CALLED"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"ON"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"KeywordConstant","value":"NULL"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"INPUT"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"RETURNS"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"double"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"LANGUAGE"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameBuiltin","value":"java"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"AS"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"LiteralStringHeredoc","value":"'"},
|
||||
{"type":"Keyword","value":"return"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"Double"},
|
||||
{"type":"Operator","value":"."},
|
||||
{"type":"NameAttribute","value":"valueOf"},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"Name","value":"Math"},
|
||||
{"type":"Operator","value":"."},
|
||||
{"type":"NameAttribute","value":"log"},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"Name","value":"input"},
|
||||
{"type":"Operator","value":"."},
|
||||
{"type":"NameAttribute","value":"doubleValue"},
|
||||
{"type":"Operator","value":"()));"},
|
||||
{"type":"LiteralStringHeredoc","value":"'"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"LiteralString","value":"```"},
|
||||
{"type":"Error","value":"\n\n"},
|
||||
{"type":"LiteralString","value":"```postgres\n"},
|
||||
{"type":"Keyword","value":"DROP"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"TABLE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"EXISTS"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"emp"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"CASCADE"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n\n"},
|
||||
{"type":"Keyword","value":"CREATE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"TABLE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"emp"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Punctuation","value":"("},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Name","value":"empname"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"NameBuiltin","value":"text"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Name","value":"salary"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"NameBuiltin","value":"integer"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Name","value":"last_date"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"NameBuiltin","value":"timestamp"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Name","value":"last_user"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"NameBuiltin","value":"text"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Punctuation","value":");"},
|
||||
{"type":"Text","value":"\n\n"},
|
||||
{"type":"Keyword","value":"select"},
|
||||
{"type":"Text","value":" \n "},
|
||||
{"type":"LiteralStringHeredoc","value":"$my_tag$aoeuaoeu$my_tag$"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"as"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"blah"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n\n"},
|
||||
{"type":"Keyword","value":"CREATE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"OR"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"REPLACE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"FUNCTION"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"emp_stamp"},
|
||||
{"type":"Punctuation","value":"()"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"RETURNS"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"trigger"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"AS"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringHeredoc","value":"$emp_stamp$"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"BEGIN"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"CommentSingle","value":"-- Check that empname and salary are given\n"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"empname"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IS"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"NULL"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"THEN"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"RAISE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"EXCEPTION"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"'empname cannot be null'"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"END"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"salary"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IS"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"NULL"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"THEN"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"RAISE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"EXCEPTION"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"'% cannot have null salary'"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"empname"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"END"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n\n "},
|
||||
{"type":"CommentSingle","value":"-- Who works for us when she must pay for it?\n"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"salary"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Operator","value":"\u003c"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralNumberFloat","value":"0"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"THEN"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"RAISE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"EXCEPTION"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"'% cannot have a negative salary'"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"empname"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"END"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"IF"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n\n "},
|
||||
{"type":"CommentSingle","value":"-- Remember who changed the payroll when\n"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"last_date"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Operator","value":":="},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"current_timestamp"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"last_user"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Operator","value":":="},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"current_user"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"RETURN"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"NEW"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"END"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"LiteralStringHeredoc","value":"$emp_stamp$"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"LANGUAGE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"plpgsql"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n\n"},
|
||||
{"type":"Keyword","value":"CREATE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"TRIGGER"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"emp_stamp"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"BEFORE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"INSERT"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"OR"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"UPDATE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"ON"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"emp"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"FOR"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"EACH"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"ROW"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"EXECUTE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"PROCEDURE"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"emp_stamp"},
|
||||
{"type":"Punctuation","value":"();"},
|
||||
{"type":"Text","value":"\n\n"},
|
||||
{"type":"Keyword","value":"DO"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"language"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"plpgsql"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringHeredoc","value":"$$"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"declare"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"r"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"NameBuiltin","value":"record"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"begin"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"for"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"r"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"in"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"select"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Operator","value":"*"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"from"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"books"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"loop"},
|
||||
{"type":"Text","value":"\n "},
|
||||
{"type":"Keyword","value":"execute"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"'select '''"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Operator","value":"||"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Name","value":"r"},
|
||||
{"type":"LiteralNumberFloat","value":"."},
|
||||
{"type":"Name","value":"title"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Operator","value":"||"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringSingle","value":"''''"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"end"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"Keyword","value":"loop"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"Keyword","value":"end"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"LiteralStringHeredoc","value":"$$"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n\n"},
|
||||
{"type":"Keyword","value":"DO"},
|
||||
{"type":"Text","value":" "},
|
||||
{"type":"LiteralStringHeredoc","value":"$$\ndeclare r record;\nbegin\n for r in select * from books\nloop\n execute 'select ''' || r.title || '''';\nend loop;\nend\n$$"},
|
||||
{"type":"Punctuation","value":";"},
|
||||
{"type":"Text","value":"\n"},
|
||||
{"type":"LiteralString","value":"```"},
|
||||
{"type":"Error","value":"\n"}
|
||||
]
|
||||
70
regexp.go
70
regexp.go
@ -33,7 +33,7 @@ func (e EmitterFunc) Emit(groups []string, lexer Lexer) Iterator { return e(grou
|
||||
func ByGroups(emitters ...Emitter) Emitter {
|
||||
return EmitterFunc(func(groups []string, lexer Lexer) Iterator {
|
||||
iterators := make([]Iterator, 0, len(groups)-1)
|
||||
// NOTE: If this panics, there is a mismatch with groups. Uncomment the following line to debug.
|
||||
// NOTE: If this panics, there is a mismatch with groups
|
||||
for i, group := range groups[1:] {
|
||||
iterators = append(iterators, emitters[i].Emit([]string{group}, lexer))
|
||||
}
|
||||
@ -41,6 +41,74 @@ func ByGroups(emitters ...Emitter) Emitter {
|
||||
})
|
||||
}
|
||||
|
||||
// UsingByGroup emits tokens for the matched groups in the regex using a
|
||||
// "sublexer". Used when lexing code blocks where the name of a sublexer is
|
||||
// contained within the block, for example on a Markdown text block or SQL
|
||||
// language block.
|
||||
//
|
||||
// The sublexer will be retrieved using sublexerGetFunc (typically
|
||||
// internal.Get), using the captured value from the matched sublexerNameGroup.
|
||||
//
|
||||
// If sublexerGetFunc returns a non-nil lexer for the captured sublexerNameGroup,
|
||||
// then tokens for the matched codeGroup will be emitted using the retrieved
|
||||
// lexer. Otherwise, if the sublexer is nil, then tokens will be emitted from
|
||||
// the passed emitter.
|
||||
//
|
||||
// Example:
|
||||
//
|
||||
// var Markdown = internal.Register(MustNewLexer(
|
||||
// &Config{
|
||||
// Name: "markdown",
|
||||
// Aliases: []string{"md", "mkd"},
|
||||
// Filenames: []string{"*.md", "*.mkd", "*.markdown"},
|
||||
// MimeTypes: []string{"text/x-markdown"},
|
||||
// },
|
||||
// Rules{
|
||||
// "root": {
|
||||
// {"^(```)(\\w+)(\\n)([\\w\\W]*?)(^```$)",
|
||||
// UsingByGroup(
|
||||
// internal.Get,
|
||||
// 2, 4,
|
||||
// String, String, String, Text, String,
|
||||
// ),
|
||||
// nil,
|
||||
// },
|
||||
// },
|
||||
// },
|
||||
// ))
|
||||
//
|
||||
// See the lexers/m/markdown.go for the complete example.
|
||||
//
|
||||
// Note: panic's if the number emitters does not equal the number of matched
|
||||
// groups in the regex.
|
||||
func UsingByGroup(sublexerGetFunc func(string) Lexer, sublexerNameGroup, codeGroup int, emitters ...Emitter) Emitter {
|
||||
return EmitterFunc(func(groups []string, lexer Lexer) Iterator {
|
||||
// bounds check
|
||||
if len(emitters) != len(groups)-1 {
|
||||
panic("UsingByGroup expects number of emitters to be the same as len(groups)-1")
|
||||
}
|
||||
|
||||
// grab sublexer
|
||||
sublexer := sublexerGetFunc(groups[sublexerNameGroup])
|
||||
|
||||
// build iterators
|
||||
iterators := make([]Iterator, len(groups)-1)
|
||||
for i, group := range groups[1:] {
|
||||
if i == codeGroup-1 && sublexer != nil {
|
||||
var err error
|
||||
iterators[i], err = sublexer.Tokenise(nil, groups[codeGroup])
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
} else {
|
||||
iterators[i] = emitters[i].Emit([]string{group}, lexer)
|
||||
}
|
||||
}
|
||||
|
||||
return Concaterator(iterators...)
|
||||
})
|
||||
}
|
||||
|
||||
// Using returns an Emitter that uses a given Lexer for parsing and emitting.
|
||||
func Using(lexer Lexer) Emitter {
|
||||
return EmitterFunc(func(groups []string, _ Lexer) Iterator {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user