Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Small size reduction and performance increase in the parser. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d62cd757a69cc49c2d309e27c948610b |
| User & Date: | drh 2015-11-09 02:08:09 |
Context
|
2015-11-09
| ||
| 12:33 | Avoid unnecessary function prologues in the sqlite3VdbeAddOp3() routine. check-in: 7c6a19ba user: drh tags: trunk | |
| 02:08 | Small size reduction and performance increase in the parser. check-in: d62cd757 user: drh tags: trunk | |
|
2015-11-07
| ||
| 18:32 | Enhance the sqldiff utility to deal gracefully with ALTER TABLE ADD COLUMN. check-in: 7ea036ac user: drh tags: trunk | |
Changes
Changes to src/tokenize.c.
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 |
assert( pParse->pNewTable==0 ); assert( pParse->pNewTrigger==0 ); assert( pParse->nVar==0 ); assert( pParse->nzVar==0 ); assert( pParse->azVar==0 ); enableLookaside = db->lookaside.bEnabled; if( db->lookaside.pStart ) db->lookaside.bEnabled = 1; while( !db->mallocFailed && zSql[i]!=0 ){ assert( i>=0 ); pParse->sLastToken.z = &zSql[i]; pParse->sLastToken.n = sqlite3GetToken((unsigned char*)&zSql[i],&tokenType); i += pParse->sLastToken.n; if( i>mxSqlLen ){ pParse->rc = SQLITE_TOOBIG; break; } switch( tokenType ){ case TK_SPACE: { if( db->u1.isInterrupted ){ sqlite3ErrorMsg(pParse, "interrupt"); pParse->rc = SQLITE_INTERRUPT; goto abort_parse; } break; } case TK_ILLEGAL: { sqlite3ErrorMsg(pParse, "unrecognized token: \"%T\"", &pParse->sLastToken); goto abort_parse; } case TK_SEMI: { pParse->zTail = &zSql[i]; /* Fall thru into the default case */ } default: { sqlite3Parser(pEngine, tokenType, pParse->sLastToken, pParse); lastTokenParsed = tokenType; if( pParse->rc!=SQLITE_OK ){ goto abort_parse; } break; } } } abort_parse: assert( nErr==0 ); if( pParse->rc==SQLITE_OK && db->mallocFailed==0 ){ assert( zSql[i]==0 ); if( lastTokenParsed!=TK_SEMI ){ sqlite3Parser(pEngine, TK_SEMI, pParse->sLastToken, pParse); pParse->zTail = &zSql[i]; } |
| | | < < | < > < > | < < < | | | < | < | < < < |
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 |
assert( pParse->pNewTable==0 );
assert( pParse->pNewTrigger==0 );
assert( pParse->nVar==0 );
assert( pParse->nzVar==0 );
assert( pParse->azVar==0 );
enableLookaside = db->lookaside.bEnabled;
if( db->lookaside.pStart ) db->lookaside.bEnabled = 1;
while( zSql[i]!=0 ){
assert( i>=0 );
pParse->sLastToken.z = &zSql[i];
pParse->sLastToken.n = sqlite3GetToken((unsigned char*)&zSql[i],&tokenType);
i += pParse->sLastToken.n;
if( i>mxSqlLen ){
pParse->rc = SQLITE_TOOBIG;
break;
}
if( tokenType>=TK_SPACE ){
assert( tokenType==TK_SPACE || tokenType==TK_ILLEGAL );
if( db->u1.isInterrupted ){
sqlite3ErrorMsg(pParse, "interrupt");
pParse->rc = SQLITE_INTERRUPT;
break;
}
if( tokenType==TK_ILLEGAL ){
sqlite3ErrorMsg(pParse, "unrecognized token: \"%T\"",
&pParse->sLastToken);
break;
}
}else{
if( tokenType==TK_SEMI ) pParse->zTail = &zSql[i];
sqlite3Parser(pEngine, tokenType, pParse->sLastToken, pParse);
lastTokenParsed = tokenType;
if( pParse->rc!=SQLITE_OK || db->mallocFailed ) break;
}
}
assert( nErr==0 );
if( pParse->rc==SQLITE_OK && db->mallocFailed==0 ){
assert( zSql[i]==0 );
if( lastTokenParsed!=TK_SEMI ){
sqlite3Parser(pEngine, TK_SEMI, pParse->sLastToken, pParse);
pParse->zTail = &zSql[i];
}
|
Changes to tool/addopcodes.tcl.
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
puts $line
set x [lindex $line 2]
if {$x>$max} {set max $x}
}
}
close $in
# The following are the extra token codes to be added
#
set extras {
TO_TEXT
TO_BLOB
TO_NUMERIC
TO_INT
TO_REAL
ISNOT
END_OF_FILE
ILLEGAL
SPACE
UNCLOSED_STRING
FUNCTION
COLUMN
AGG_FUNCTION
AGG_COLUMN
UMINUS
UPLUS
REGISTER
}
foreach x $extras {
incr max
puts [format "#define TK_%-29s %4d" $x $max]
}
# Some additional #defines related to token codes.
|
| > < < > > > > > > |
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 |
puts $line
set x [lindex $line 2]
if {$x>$max} {set max $x}
}
}
close $in
# The following are the extra token codes to be added. SPACE and
# ILLEGAL *must* be the last two token codes and they must be in that order.
#
set extras {
TO_TEXT
TO_BLOB
TO_NUMERIC
TO_INT
TO_REAL
ISNOT
END_OF_FILE
UNCLOSED_STRING
FUNCTION
COLUMN
AGG_FUNCTION
AGG_COLUMN
UMINUS
UPLUS
REGISTER
SPACE
ILLEGAL
}
if {[lrange $extras end-1 end]!="SPACE ILLEGAL"} {
error "SPACE and ILLEGAL must be the last two token codes and they\
must be in that order"
}
foreach x $extras {
incr max
puts [format "#define TK_%-29s %4d" $x $max]
}
# Some additional #defines related to token codes.
|