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Overview
Comment:Fix a bug in the grammar. We were giving the ones-complement operator ~ the same precedence as the NOT operator, which is incorrect. (CVS 4548)
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SHA1: b48a4bfd3288906dfb7659c37f76d345011c91a0
User & Date: drh 2007-11-17 22:23:28.000
Context
2007-11-21
15:24
Handle out-of-memory situations inside the query flattener. Ticket #2784. (CVS 4549) (check-in: 2655a3f2d1 user: drh tags: trunk)
2007-11-17
22:23
Fix a bug in the grammar. We were giving the ones-complement operator ~ the same precedence as the NOT operator, which is incorrect. (CVS 4548) (check-in: b48a4bfd32 user: drh tags: trunk)
2007-11-16
14:55
Fix a crash that can occur after a malloc failure. Ticket #2775. (CVS 4547) (check-in: c91bc8d333 user: danielk1977 tags: trunk)
Changes
Unified Diff Show Whitespace Changes Patch
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 1.235 2007/11/12 09:50:26 danielk1977 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.








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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 1.236 2007/11/17 22:23:28 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.
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  A = sqlite3PExpr(pParse, TK_NOTNULL, X, 0, 0);
  sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) IS NOT NULL(E). {
  A = sqlite3PExpr(pParse, TK_NOTNULL, X, 0, 0);
  sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= NOT|BITNOT(B) expr(X). {




  A = sqlite3PExpr(pParse, @B, X, 0, 0);
  sqlite3ExprSpan(A,&B,&X->span);
}
expr(A) ::= MINUS(B) expr(X). [UMINUS] {
  A = sqlite3PExpr(pParse, TK_UMINUS, X, 0, 0);
  sqlite3ExprSpan(A,&B,&X->span);
}








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  A = sqlite3PExpr(pParse, TK_NOTNULL, X, 0, 0);
  sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) IS NOT NULL(E). {
  A = sqlite3PExpr(pParse, TK_NOTNULL, X, 0, 0);
  sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= NOT(B) expr(X). {
  A = sqlite3PExpr(pParse, @B, X, 0, 0);
  sqlite3ExprSpan(A,&B,&X->span);
}
expr(A) ::= BITNOT(B) expr(X). {
  A = sqlite3PExpr(pParse, @B, X, 0, 0);
  sqlite3ExprSpan(A,&B,&X->span);
}
expr(A) ::= MINUS(B) expr(X). [UMINUS] {
  A = sqlite3PExpr(pParse, TK_UMINUS, X, 0, 0);
  sqlite3ExprSpan(A,&B,&X->span);
}
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