bool TRI_StartScopeAql (TRI_aql_context_t* const context, const TRI_aql_scope_e type) {
TRI_aql_scope_t* scope;
TRI_aql_node_t* node;
assert(context);
scope = CreateScope(context, type);
if (scope == NULL) {
return false;
}
LOG_TRACE("starting scope of type %s", TRI_TypeNameScopeAql(scope->_type));
TRI_PushBackVectorPointer(&context->_memory._scopes, (void*) scope);
TRI_PushBackVectorPointer(&context->_currentScopes, (void*) scope);
node = TRI_CreateNodeScopeStartAql(context, scope);
if (node == NULL) {
return false;
}
if (! TRI_AppendStatementListAql(context->_statements, node)) {
return false;
}
return true;
}
bool TRI_EndScopeByReturnAql (TRI_aql_context_t* const context) {
TRI_aql_scope_e type;
TRI_aql_node_t* node;
size_t n;
assert(context);
type = CurrentType(context);
if (type == TRI_AQL_SCOPE_MAIN || type == TRI_AQL_SCOPE_SUBQUERY) {
return true;
}
n = context->_currentScopes._length;
assert(n > 0);
while (n > 0) {
TRI_aql_scope_t* scope;
scope = (TRI_aql_scope_t*) TRI_RemoveVectorPointer(&context->_currentScopes, --n);
assert(scope);
LOG_TRACE("closing scope of type %s", TRI_TypeNameScopeAql(scope->_type));
node = TRI_CreateNodeScopeEndAql(context, scope);
if (node == NULL) {
return false;
}
if (! TRI_AppendStatementListAql(context->_statements, node)) {
return false;
}
if (scope->_type != TRI_AQL_SCOPE_FOR_NESTED) {
// removed enough scopes
break;
}
}
return true;
}
bool TRI_EndScopeAql (TRI_aql_context_t* const context) {
TRI_aql_scope_t* scope;
TRI_aql_node_t* node;
size_t n;
assert(context);
n = context->_currentScopes._length;
assert(n > 0);
scope = TRI_RemoveVectorPointer(&context->_currentScopes, --n);
LOG_TRACE("closing scope of type %s", TRI_TypeNameScopeAql(scope->_type));
node = TRI_CreateNodeScopeEndAql(context, scope);
if (node == NULL) {
return false;
}
if (! TRI_AppendStatementListAql(context->_statements, node)) {
return false;
}
return true;
}