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authordrh <>2023-07-26 13:17:43 +0000
committerdrh <>2023-07-26 13:17:43 +0000
commit7286c598963bcec929f44c3a75ff0b257acaf1cd (patch)
treeea05f20439e17551f5534ddaec3279c4646d2fc1 /src
parent2b5719706647a6831e2d5fadd56d04f67fc63837 (diff)
downloadsqlite-7286c598963bcec929f44c3a75ff0b257acaf1cd.tar.gz
sqlite-7286c598963bcec929f44c3a75ff0b257acaf1cd.zip
Change the debugging "json_parse(X)" function so that it shows a more
complete description of the JsonParse object on standard output and returns the mimified JSON. Former behavior was to return the text of a decode of the aNode array. FossilOrigin-Name: 1bf85d4e388714a88f8940dcdec353c3e0267456697eff6963d34637912aecc9
Diffstat (limited to 'src')
-rw-r--r--src/json.c80
1 files changed, 42 insertions, 38 deletions
diff --git a/src/json.c b/src/json.c
index 5deeb6acb..9eb230268 100644
--- a/src/json.c
+++ b/src/json.c
@@ -118,7 +118,12 @@ static const char * const jsonType[] = {
#define JNODE_JSON5 0x40 /* Node contains JSON5 enhancements */
-/* A single node of parsed JSON
+/* A single node of parsed JSON. An array of these nodes describes
+** a parse of JSON + edits.
+**
+** Use the json_parse() SQL function (available when compiled with
+** -DSQLITE_DEBUG) to see a dump of complete JsonParse objects, including
+** a complete listing and decoding of the array of JsonNodes.
*/
struct JsonNode {
u8 eType; /* One of the JSON_ type values */
@@ -2283,7 +2288,7 @@ static void jsonRemoveAllNulls(JsonNode *pNode){
** SQL functions used for testing and debugging
****************************************************************************/
-#if 0 /* One for debugging. zero normally */
+#if SQLITE_DEBUG
/*
** Print N node entries.
*/
@@ -2299,12 +2304,15 @@ static void jsonDebugPrintNodeEntries(
}else{
zType = jsonType[aNode[i].eType];
}
+ printf("node %4u: %-7s n=%-5d", i, zType, aNode[i].n);
if( (aNode[i].jnFlags & ~JNODE_LABEL)!=0 ){
- printf("node %4u: %-7s %02x n=%-5d",
- i, zType, aNode[i].jnFlags, aNode[i].n);
- }else{
- printf("node %4u: %-7s n=%-5d",
- i, zType, aNode[i].n);
+ u8 f = aNode[i].jnFlags;
+ if( f & JNODE_RAW ) printf(" RAW");
+ if( f & JNODE_ESCAPE ) printf(" ESCAPE");
+ if( f & JNODE_REMOVE ) printf(" REMOVE");
+ if( f & JNODE_REPLACE ) printf(" REPLACE");
+ if( f & JNODE_APPEND ) printf(" APPEND");
+ if( f & JNODE_JSON5 ) printf(" JSON5");
}
switch( aNode[i].eU ){
case 1: printf(" zJContent=[%.*s]\n",
@@ -2316,6 +2324,10 @@ static void jsonDebugPrintNodeEntries(
}
}
}
+#endif /* SQLITE_DEBUG */
+
+
+#if 0 /* 1 for debugging. 0 normally. Requires -DSQLITE_DEBUG too */
static void jsonDebugPrintParse(JsonParse *p){
jsonDebugPrintNodeEntries(p->aNode, p->nNode);
}
@@ -2330,45 +2342,37 @@ static void jsonDebugPrintNode(JsonNode *pNode){
#ifdef SQLITE_DEBUG
/*
-** The json_parse(JSON) function returns a string which describes
-** a parse of the JSON provided. Or it returns NULL if JSON is not
-** well-formed.
+** SQL function: json_parse(JSON)
+**
+** Parse JSON using jsonParseCached(). Then print a dump of that
+** parse on standard output. Return the mimified JSON result, just
+** like the json() function.
*/
static void jsonParseFunc(
sqlite3_context *ctx,
int argc,
sqlite3_value **argv
){
- JsonString s; /* Output string - not real JSON */
- JsonParse x; /* The parse */
- u32 i;
+ JsonParse *p; /* The parse */
assert( argc==1 );
- if( jsonParse(&x, ctx, (char*)sqlite3_value_text(argv[0]), 0) ) return;
- jsonParseFindParents(&x);
- jsonInit(&s, ctx);
- for(i=0; i<x.nNode; i++){
- const char *zType;
- if( x.aNode[i].jnFlags & JNODE_LABEL ){
- assert( x.aNode[i].eType==JSON_STRING );
- zType = "label";
- }else{
- zType = jsonType[x.aNode[i].eType];
- }
- jsonPrintf(100, &s,"node %3u: %7s n=%-4d up=%-4d",
- i, zType, x.aNode[i].n, x.aUp[i]);
- assert( x.aNode[i].eU==0 || x.aNode[i].eU==1 );
- if( x.aNode[i].u.zJContent!=0 ){
- assert( x.aNode[i].eU==1 );
- jsonAppendChar(&s, ' ');
- jsonAppendRaw(&s, x.aNode[i].u.zJContent, x.aNode[i].n);
- }else{
- assert( x.aNode[i].eU==0 );
- }
- jsonAppendChar(&s, '\n');
- }
- jsonParseReset(&x);
- jsonResult(&s);
+ p = jsonParseCached(ctx, argv[0], ctx, 0);
+ if( p==0 ) return;
+ printf("nNode = %u\n", p->nNode);
+ printf("nAlloc = %u\n", p->nAlloc);
+ printf("nJson = %d\n", p->nJson);
+ printf("nAlt = %d\n", p->nAlt);
+ printf("nErr = %u\n", p->nErr);
+ printf("oom = %u\n", p->oom);
+ printf("hasNonstd = %u\n", p->hasNonstd);
+ printf("bOwnsJson = %u\n", p->bOwnsJson);
+ printf("useMod = %u\n", p->useMod);
+ printf("hasMod = %u\n", p->hasMod);
+ printf("nJPRef = %u\n", p->nJPRef);
+ printf("iSubst = %u\n", p->iSubst);
+ printf("iHold = %u\n", p->iHold);
+ jsonDebugPrintNodeEntries(p->aNode, p->nNode);
+ jsonReturnJson(p, p->aNode, ctx, 1);
}
/*