bool DebugStackFrame::setLocal(int which, Atom& val) { bool worked = false; if (trace->framep() && trace->info()) { int firstLocal, pastLastLocal; localBounds(&firstLocal, &pastLastLocal); int count = pastLastLocal - firstLocal; if (count > 0 && which < count) { MethodInfo* info = trace->info(); if (which == 0 && info->needRestOrArguments()) { // They are trying to modify the first local, but that is actually the special // array for "...rest" or for "arguments". That is too complicated to allow // right now. We're just going to fail the request. } else { // copy the single arg over info->unboxLocals(&val, 0, trace->types(), trace->framep(), firstLocal+which, 1); worked = true; } } } return worked; }
bool DebugStackFrame::setArgument(int which, Atom& val) { bool worked = false; if (trace->framep() && trace->info()) { int firstArgument, pastLastArgument; argumentBounds(&firstArgument, &pastLastArgument); int count = pastLastArgument - firstArgument; if (count > 0 && which < count) { // copy the single arg over MethodInfo* info = trace->info(); info->unboxLocals(&val, 0, trace->types(), trace->framep(), firstArgument+which, 1); worked = true; } } return worked; }