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Overview
| Comment: | Additional grammar cleanup resulting from the %fallback directive. (CVS 606) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
c0cb3a012e02df1a7965413a92f9b5a7 |
| User & Date: | drh 2002-06-06 19:04:16 |
Context
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2002-06-06
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| 23:16 | Fix for ticket #62: Do not report an SQLITE_READONLY error until the application actually tries to write data into a readonly file. It is OK to start a transaction on a read-only file, and doing so will get you a read lock. This change allows TEMP tables to be read/write even though the main database is readonly. (CVS 607) (check-in: 9ef795d1 user: drh tags: trunk) | |
| 19:04 | Additional grammar cleanup resulting from the %fallback directive. (CVS 606) (check-in: c0cb3a01 user: drh tags: trunk) | |
| 18:54 | Added the %fallback directive to the lemon parser generator and used this in the parser to make the parse tables much smaller. This reduced the size of the library by 15K. (CVS 605) (check-in: 7ac5bd29 user: drh tags: trunk) | |
Changes
Changes to src/parse.y.
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** ************************************************************************* ** This file contains SQLite's grammar for SQL. Process this file ** using the lemon parser generator to generate C code that runs ** the parser. Lemon will also generate a header file containing ** numeric codes for all of the tokens. ** ** @(#) $Id: parse.y,v 1.71 2002/06/06 18:54:40 drh Exp $ */ %token_prefix TK_ %token_type {Token} %default_type {Token} %extra_argument {Parse *pParse} %syntax_error { sqliteSetString(&pParse->zErrMsg,"syntax error",0); ................................................................................ column ::= columnid type carglist. columnid ::= ids(X). {sqliteAddColumn(pParse,&X);} // An IDENTIFIER can be a generic identifier, or one of several // keywords. Any non-standard keyword can also be an identifier. // %type id {Token} //id(A) ::= ABORT(X). {A = X;} //id(A) ::= AFTER(X). {A = X;} //id(A) ::= ASC(X). {A = X;} //id(A) ::= BEFORE(X). {A = X;} //id(A) ::= BEGIN(X). {A = X;} //id(A) ::= CASCADE(X). {A = X;} //id(A) ::= CLUSTER(X). {A = X;} //id(A) ::= CONFLICT(X). {A = X;} //id(A) ::= COPY(X). {A = X;} //id(A) ::= DEFERRED(X). {A = X;} //id(A) ::= DELIMITERS(X). {A = X;} //id(A) ::= DESC(X). {A = X;} //id(A) ::= EACH(X). {A = X;} //id(A) ::= END(X). {A = X;} //id(A) ::= EXPLAIN(X). {A = X;} //id(A) ::= FAIL(X). {A = X;} //id(A) ::= FOR(X). {A = X;} //id(A) ::= FULL(X). {A = X;} id(A) ::= ID(X). {A = X;} //id(A) ::= IGNORE(X). {A = X;} //id(A) ::= IMMEDATE(X). {A = X;} //id(A) ::= INITIALLY(X). {A = X;} //id(A) ::= INSTEAD(X). {A = X;} //id(A) ::= MATCH(X). {A = X;} //id(A) ::= JOIN(X). {A = X;} //id(A) ::= KEY(X). {A = X;} //id(A) ::= OF(X). {A = X;} //id(A) ::= OFFSET(X). {A = X;} //id(A) ::= PARTIAL(X). {A = X;} //id(A) ::= PRAGMA(X). {A = X;} //id(A) ::= REPLACE(X). {A = X;} //id(A) ::= RESTRICT(X). {A = X;} //id(A) ::= ROW(X). {A = X;} //id(A) ::= STATEMENT(X). {A = X;} //id(A) ::= TEMP(X). {A = X;} //id(A) ::= TRIGGER(X). {A = X;} //id(A) ::= VACUUM(X). {A = X;} //id(A) ::= VIEW(X). {A = X;} %fallback ID ABORT AFTER ASC BEFORE BEGIN CASCADE CLUSTER CONFLICT COPY DEFERRED DELIMITERS DESC EACH END EXPLAIN FAIL FOR FULL IGNORE IMMEDIATE INITIALLY INSTEAD MATCH JOIN KEY OF OFFSET PARTIAL PRAGMA REPLACE RESTRICT ROW STATEMENT TEMP TRIGGER VACUUM VIEW. |
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** ************************************************************************* ** This file contains SQLite's grammar for SQL. Process this file ** using the lemon parser generator to generate C code that runs ** the parser. Lemon will also generate a header file containing ** numeric codes for all of the tokens. ** ** @(#) $Id: parse.y,v 1.72 2002/06/06 19:04:16 drh Exp $ */ %token_prefix TK_ %token_type {Token} %default_type {Token} %extra_argument {Parse *pParse} %syntax_error { sqliteSetString(&pParse->zErrMsg,"syntax error",0); ................................................................................ column ::= columnid type carglist. columnid ::= ids(X). {sqliteAddColumn(pParse,&X);} // An IDENTIFIER can be a generic identifier, or one of several // keywords. Any non-standard keyword can also be an identifier. // %type id {Token} id(A) ::= ID(X). {A = X;} // The following directive causes tokens ABORT, AFTER, ASC, etc. to // fallback to ID if they will not parse as their original value. // This obviates the need for the "id" nonterminal. // %fallback ID ABORT AFTER ASC BEFORE BEGIN CASCADE CLUSTER CONFLICT COPY DEFERRED DELIMITERS DESC EACH END EXPLAIN FAIL FOR FULL IGNORE IMMEDIATE INITIALLY INSTEAD MATCH JOIN KEY OF OFFSET PARTIAL PRAGMA REPLACE RESTRICT ROW STATEMENT TEMP TRIGGER VACUUM VIEW. |