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Overview
| Comment: | Fix the PRAGMA parser so that it can accept negative numbers in parentheses, like the syntax diagrams say it should be able to. (CVS 6444) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 286e83178ddcd2efe2888697bcf8cc95 |
| User & Date: | drh 2009-04-03 01:43:57 |
Context
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2009-04-03
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| 12:04 | Use integer rather than floating point compuations in converting from julian day number to unix-time to avoid round-off errors on Borland compilers. Ticket #3769. (CVS 6445) check-in: c26f97bd user: drh tags: trunk | |
| 01:43 | Fix the PRAGMA parser so that it can accept negative numbers in parentheses, like the syntax diagrams say it should be able to. (CVS 6444) check-in: 286e8317 user: drh tags: trunk | |
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2009-04-02
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| 20:27 | Make sure count(*) works on the sqlite_master table of an empty database. Ticket #3774. (CVS 6443) check-in: e0c1a780 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 1.272 2009/03/24 15:08:10 drh Exp $ */ // All token codes are small integers with #defines that begin with "TK_" %token_prefix TK_ // The type of the data attached to each token is Token. This is also the // default type for non-terminals. ................................................................................ %endif SQLITE_OMIT_ATTACH %endif SQLITE_OMIT_VACUUM ///////////////////////////// The PRAGMA command ///////////////////////////// // %ifndef SQLITE_OMIT_PARSER %ifndef SQLITE_OMIT_PRAGMA cmd ::= PRAGMA nm(X) dbnm(Z) EQ nmnum(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} cmd ::= PRAGMA nm(X) dbnm(Z) EQ ON(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} cmd ::= PRAGMA nm(X) dbnm(Z) EQ DELETE(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} cmd ::= PRAGMA nm(X) dbnm(Z) EQ minus_num(Y). { sqlite3Pragma(pParse,&X,&Z,&Y,1); } cmd ::= PRAGMA nm(X) dbnm(Z) LP nmnum(Y) RP. {sqlite3Pragma(pParse,&X,&Z,&Y,0);} cmd ::= PRAGMA nm(X) dbnm(Z). {sqlite3Pragma(pParse,&X,&Z,0,0);} nmnum(A) ::= plus_num(X). {A = X;} nmnum(A) ::= nm(X). {A = X;} %endif SQLITE_OMIT_PRAGMA %endif SQLITE_OMIT_PARSER plus_num(A) ::= plus_opt number(X). {A = X;} minus_num(A) ::= MINUS number(X). {A = X;} number(A) ::= INTEGER|FLOAT(X). {A = X;} plus_opt ::= PLUS. plus_opt ::= . |
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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 1.273 2009/04/03 01:43:57 drh Exp $ */ // All token codes are small integers with #defines that begin with "TK_" %token_prefix TK_ // The type of the data attached to each token is Token. This is also the // default type for non-terminals. ................................................................................ %endif SQLITE_OMIT_ATTACH %endif SQLITE_OMIT_VACUUM ///////////////////////////// The PRAGMA command ///////////////////////////// // %ifndef SQLITE_OMIT_PARSER %ifndef SQLITE_OMIT_PRAGMA cmd ::= PRAGMA nm(X) dbnm(Z). {sqlite3Pragma(pParse,&X,&Z,0,0);} cmd ::= PRAGMA nm(X) dbnm(Z) EQ nmnum(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} cmd ::= PRAGMA nm(X) dbnm(Z) LP nmnum(Y) RP. {sqlite3Pragma(pParse,&X,&Z,&Y,0);} cmd ::= PRAGMA nm(X) dbnm(Z) EQ minus_num(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,1);} cmd ::= PRAGMA nm(X) dbnm(Z) LP minus_num(Y) RP. {sqlite3Pragma(pParse,&X,&Z,&Y,1);} nmnum(A) ::= plus_num(X). {A = X;} nmnum(A) ::= nm(X). {A = X;} nmnum(A) ::= ON(X). {A = X;} nmnum(A) ::= DELETE(X). {A = X;} %endif SQLITE_OMIT_PRAGMA %endif SQLITE_OMIT_PARSER plus_num(A) ::= plus_opt number(X). {A = X;} minus_num(A) ::= MINUS number(X). {A = X;} number(A) ::= INTEGER|FLOAT(X). {A = X;} plus_opt ::= PLUS. plus_opt ::= . |