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chore: add cql grammar #8

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Merged
vsai12 merged 1 commit into from
Aug 18, 2025
Merged

chore: add cql grammar #8

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217 changes: 217 additions & 0 deletions cql/CqlLexer.g4
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// $antlr-format alignTrailingComments true, columnLimit 150, maxEmptyLinesToKeep 1, reflowComments false, useTab false
// $antlr-format allowShortRulesOnASingleLine true, allowShortBlocksOnASingleLine true, minEmptyLines 0, alignSemicolons ownLine
// $antlr-format alignColons trailing, singleLineOverrulesHangingColon true, alignLexerCommands true, alignLabels true, alignTrailers true

lexer grammar CqlLexer;

options {
caseInsensitive = true;
}

// Operators and Punctuators

LR_BRACKET : '(';
RR_BRACKET : ')';
LC_BRACKET : '{';
RC_BRACKET : '}';
LS_BRACKET : '[';
RS_BRACKET : ']';
COMMA : ',';
SEMI : ';';
COLON : ':';
DOT : '.';
STAR : '*';
DIVIDE : '/';
MODULE : '%';
PLUS : '+';
MINUSMINUS : '--';
MINUS : '-';
DQUOTE : '"';
SQUOTE : '\'';
OPERATOR_EQ : '=';
OPERATOR_LT : '<';
OPERATOR_GT : '>';
OPERATOR_LTE : '<=';
OPERATOR_GTE : '>=';

// Keywords

K_ADD : 'ADD';
K_AGGREGATE : 'AGGREGATE';
K_ALL : 'ALL';
K_ALLOW : 'ALLOW';
K_ALTER : 'ALTER';
K_AND : 'AND';
K_ANY : 'ANY';
K_APPLY : 'APPLY';
K_AS : 'AS';
K_ASC : 'ASC';
K_AUTHORIZE : 'AUTHORIZE';
K_BATCH : 'BATCH';
K_BEGIN : 'BEGIN';
K_BY : 'BY';
K_CALLED : 'CALLED';
K_CLUSTERING : 'CLUSTERING';
K_COLUMNFAMILY : 'COLUMNFAMILY';
K_COMPACT : 'COMPACT';
K_CONSISTENCY : 'CONSISTENCY';
K_CONTAINS : 'CONTAINS';
K_CREATE : 'CREATE';
K_CUSTOM : 'CUSTOM';
K_DELETE : 'DELETE';
K_DESC : 'DESC';
K_DESCRIBE : 'DESCRIBE';
K_DISTINCT : 'DISTINCT';
K_DROP : 'DROP';
K_DURABLE_WRITES : 'DURABLE_WRITES';
K_EACH_QUORUM : 'EACH_QUORUM';
K_ENTRIES : 'ENTRIES';
K_EXECUTE : 'EXECUTE';
K_EXISTS : 'EXISTS';
K_FALSE : 'FALSE';
K_FILTERING : 'FILTERING';
K_FINALFUNC : 'FINALFUNC';
K_FROM : 'FROM';
K_FULL : 'FULL';
K_FUNCTION : 'FUNCTION';
K_FUNCTIONS : 'FUNCTIONS';
K_GRANT : 'GRANT';
K_IF : 'IF';
K_IN : 'IN';
K_INDEX : 'INDEX';
K_INFINITY : 'INFINITY';
K_INITCOND : 'INITCOND';
K_INPUT : 'INPUT';
K_INSERT : 'INSERT';
K_INTO : 'INTO';
K_IS : 'IS';
K_JSON : 'JSON';
K_KEY : 'KEY';
K_KEYS : 'KEYS';
K_KEYSPACE : 'KEYSPACE';
K_KEYSPACES : 'KEYSPACES';
K_LANGUAGE : 'LANGUAGE';
K_LEVEL : 'LEVEL';
K_LIMIT : 'LIMIT';
K_LOCAL_ONE : 'LOCAL_ONE';
K_LOCAL_QUORUM : 'LOCAL_QUORUM';
K_LOGGED : 'LOGGED';
K_LOGIN : 'LOGIN';
K_MATERIALIZED : 'MATERIALIZED';
K_MODIFY : 'MODIFY';
K_NAN : 'NAN';
K_NORECURSIVE : 'NORECURSIVE';
K_NOSUPERUSER : 'NOSUPERUSER';
K_NOT : 'NOT';
K_NULL : 'NULL';
K_OF : 'OF';
K_ON : 'ON';
K_ONE : 'ONE';
K_OPTIONS : 'OPTIONS';
K_OR : 'OR';
K_ORDER : 'ORDER';
K_PARTITION : 'PARTITION';
K_PASSWORD : 'PASSWORD';
K_PER : 'PER';
K_PERMISSION : 'PERMISSION';
K_PERMISSIONS : 'PERMISSIONS';
K_PRIMARY : 'PRIMARY';
K_QUORUM : 'QUORUM';
K_RENAME : 'RENAME';
K_REPLACE : 'REPLACE';
K_REPLICATION : 'REPLICATION';
K_RETURNS : 'RETURNS';
K_REVOKE : 'REVOKE';
K_ROLE : 'ROLE';
K_ROLES : 'ROLES';
K_SCHEMA : 'SCHEMA';
K_SELECT : 'SELECT';
K_SET : 'SET';
K_SFUNC : 'SFUNC';
K_STATIC : 'STATIC';
K_STORAGE : 'STORAGE';
K_STYPE : 'STYPE';
K_SUPERUSER : 'SUPERUSER';
K_TABLE : 'TABLE';
K_THREE : 'THREE';
K_TIMESTAMP : 'TIMESTAMP';
K_TO : 'TO';
K_TOKEN : 'TOKEN';
K_TRIGGER : 'TRIGGER';
K_TRUE : 'TRUE';
K_TRUNCATE : 'TRUNCATE';
K_TTL : 'TTL';
K_TWO : 'TWO';
K_TYPE : 'TYPE';
K_UNLOGGED : 'UNLOGGED';
K_UPDATE : 'UPDATE';
K_USE : 'USE';
K_USER : 'USER';
K_USING : 'USING';
K_UUID : 'UUID';
K_VALUES : 'VALUES';
K_VIEW : 'VIEW';
K_WHERE : 'WHERE';
K_WITH : 'WITH';
K_WRITETIME : 'WRITETIME';
K_ASCII : 'ASCII';
K_BIGINT : 'BIGINT';
K_BLOB : 'BLOB';
K_BOOLEAN : 'BOOLEAN';
K_COUNTER : 'COUNTER';
K_DATE : 'DATE';
K_DECIMAL : 'DECIMAL';
K_DOUBLE : 'DOUBLE';
K_FLOAT : 'FLOAT';
K_FROZEN : 'FROZEN';
K_INET : 'INET';
K_INT : 'INT';
K_LIST : 'LIST';
K_MAP : 'MAP';
K_SMALLINT : 'SMALLINT';
K_TEXT : 'TEXT';
K_TIMEUUID : 'TIMEUUID';
K_TIME : 'TIME';
K_TINYINT : 'TINYINT';
K_TUPLE : 'TUPLE';
K_VARCHAR : 'VARCHAR';
K_VARINT : 'VARINT';

// Literals

CODE_BLOCK: '$$' (~ '$' | '$' ~'$')* '$$';

STRING_LITERAL: '\'' ('\\' . | '\'\'' | ~('\'' | '\\'))* '\'';

DECIMAL_LITERAL: DEC_DIGIT+;

FLOAT_LITERAL: MINUS? [0-9]+ (DOT [0-9]+)?;

HEXADECIMAL_LITERAL: 'X' '\'' (HEX_DIGIT HEX_DIGIT)+ '\'' | '0X' HEX_DIGIT+;

REAL_LITERAL: DEC_DIGIT+ '.'? EXPONENT_NUM_PART | DEC_DIGIT* '.' DEC_DIGIT+ EXPONENT_NUM_PART?;

OBJECT_NAME: [A-Z] [A-Z0-9_$]* | '"' ~'"'+ '"';

UUID:
HEX_4DIGIT HEX_4DIGIT '-' HEX_4DIGIT '-' HEX_4DIGIT '-' HEX_4DIGIT '-' HEX_4DIGIT HEX_4DIGIT HEX_4DIGIT
;

// Hidden

SPACE : [ \t\r\n]+ -> channel (HIDDEN);
SPEC_MYSQL_COMMENT : '/*!' .+? '*/' -> channel (HIDDEN);
COMMENT_INPUT : '/*' .*? '*/' -> channel (HIDDEN);
LINE_COMMENT:
(('-- ' | '#' | '//') ~ [\r\n]* ('\r'? '\n' | EOF) | '--' ('\r'? '\n' | EOF)) -> channel (HIDDEN)
;

// Fragments

fragment HEX_4DIGIT: [0-9A-F] [0-9A-F] [0-9A-F] [0-9A-F];

fragment HEX_DIGIT: [0-9A-F];

fragment DEC_DIGIT: [0-9];

fragment EXPONENT_NUM_PART: 'E' '-'? DEC_DIGIT+;
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