JS_TracerInit
syntax void js_tracerinit(jstracer *trc, jsruntime *rt, jstracecallback callback); name type description trc jstracer * the tracer to be initialized.
... callback jstracecallback a callback, described below, which the tracing apis will call each time a pointer is found from one gc thing to another.
... callback syntax typedef void (*jstracecallback)(jstracer *trc, void *thing, uint32 kind); name type description trc jstracer * the tracer visiting obj.

JS_DumpHeap
see js::value::gckind() and jstracecallback in <codde>tracer.h</codde> for more details.

JSAPI reference
- used by js_setfunctioncallback obsolete since jsapi 37 jsgcrootmapfun - used by js_mapgcroots obsolete since jsapi 19 jsobjectprincipalsfinder - used by js_setobjectprincipalsfinder obsolete since javascript 1.8 jsprincipalstranscoder - used by js_setprincipalstranscoder obsolete since javascript 1.8 jsstringfinalizeop - used by js_addexternalstringfinalizer obsolete since jsapi 13 jstracecallback - used by js_tracer_init obsolete since jsapi 12 jstracedataop - used by js_setextragcroots obsolete since jsapi 25 jstracenameprinter - used by js_set_tracing_details obsolete since jsapi 26 see also classes, above.