database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-11 01:42:22 +03:00
Code Activity

Further optimizations to the JSON parser.

Browse Source 
FossilOrigin-Name: bb8f1c16f244f893170f3d03bc445bd15fc337804c7c3e76c548397f5b95b39a
This commit is contained in:
drh
2023-04-27 19:30:53 +00:00
parent 1371df2117
commit ae31f48826
3 changed files with 12 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/json.c
View File

@@ -891,8 +891,8 @@ static int jsonParseAddNode(
return jsonParseAddNodeExpand(pParse, eType, n, zContent);
}
p = &pParse->aNode[pParse->nNode];
p->eType = (u8)eType;
p->jnFlags = 0;
p->eType = (u8)(eType & 0xff);
p->jnFlags = (u8)(eType >> 8);
VVA( p->eU = zContent ? 1 : 0 );
p->n = n;
p->u.zJContent = zContent;
@@ -1092,10 +1092,7 @@ json_parse_restart:
if( sqlite3Isalpha(z[j]) || z[j]=='_' || z[j]=='$' ){
int k;
for(k=j+1; sqlite3Isalnum(z[k]) || z[k]=='_' || z[k]=='$'; k++){}
jsonParseAddNode(pParse, JSON_STRING, k-j, &z[j]);
if( !pParse->oom ){
pParse->aNode[pParse->nNode-1].jnFlags = JNODE_RAW;
}
jsonParseAddNode(pParse, JSON_STRING | (JNODE_RAW<<8), k-j, &z[j]);
pParse->has5 = 1;
x = k;
}else{
@@ -1239,8 +1236,7 @@ json_parse_restart:
}
j++;
}
jsonParseAddNode(pParse, JSON_STRING, j+1-i, &z[i]);
if( !pParse->oom ) pParse->aNode[pParse->nNode-1].jnFlags = jnFlags;
jsonParseAddNode(pParse, JSON_STRING | (jnFlags<<8), j+1-i, &z[i]);
return j+1;
}
case 'n': {
@@ -1395,10 +1391,7 @@ json_parse_restart:
}
}
parse_number_finish:
jsonParseAddNode(pParse, seenDP, j - i, &z[i]);
if( jnFlags && !pParse->oom ){
pParse->aNode[pParse->nNode-1].jnFlags = jnFlags;
}
jsonParseAddNode(pParse, seenDP | (jnFlags<<8), j - i, &z[i]);
return j;
}
case 'N': {