value_t new_heap_uninitialized_roots(runtime_t *runtime) {
size_t size = kRootsSize;
TRY_DEF(result, alloc_heap_object(runtime, size, whatever()));
for (size_t i = 0; i < kRootCount; i++)
*access_heap_object_field(result, HEAP_OBJECT_FIELD_OFFSET(i)) = whatever();
return result;
}
int
main() {
foo(cat{});
foo(elephant{});
bar(trabant{});
bar(lada{});
whatever(elephant{});
whatever(trabant{});
}
void brainfuck(char c)
{
if (c == '>')
g_p++;
if (c == '<')
g_p--;
if (c == '+')
(*g_p)++;
if (c == '-')
(*g_p)--;
if (c == '.')
write (1, g_p, 1);
if (c == '[' && *g_p == 0)
whatever('[');
if (c == ']' && *g_p != 0)
whatever(']');
}
// Test of calling an exported function that returns an array
int main(int argc, char* argv[]) {
// Initialize the Chapel runtime and standard modules
chpl_library_init(argc, argv);
chpl__init_setDir(1, 2);
// Call the function
whatever();
// Shutdown the Chapel runtime and standard modules
chpl_library_finalize();
return 0;
}
void writefile::writeColumnNames(string* fileName, array<char*>* columnNames){
string col = "Columns";
string path = *fileName;
path.append(col);
array<char*> columnNames2Use = *columnNames;
ofstream whatever(path.c_str() , ios::trunc);
//cout << whatever.is_open() <<endl;
for (int i = 0 ; i < columnNames2Use.getLenght() ; i++){
whatever << columnNames2Use[i];
if ( i < (columnNames->getLenght() - 1))
whatever << "\n";
}
whatever.close();
}
static value_t find_best_match(runtime_t *runtime, value_t current,
value_t target, value_t current_score, value_t space, value_t *score_out) {
if (value_identity_compare(current, target)) {
*score_out = current_score;
return success();
} else {
TRY_DEF(parents, get_type_parents(runtime, space, current));
int64_t length = get_array_buffer_length(parents);
value_t score = new_no_match_score();
for (int64_t i = 0; i < length; i++) {
value_t parent = get_array_buffer_at(parents, i);
value_t next_score = whatever();
TRY(find_best_match(runtime, parent, target, get_score_successor(current_score),
space, &next_score));
score = best_score(score, next_score);
}
*score_out = score;
return success();
}
}
// Runs the given stack within the given ambience until a condition is
// encountered or evaluation completes. This function also bails on and leaves
// it to the surrounding code to report error messages.
static value_t run_stack_pushing_signals(value_t ambience, value_t stack) {
CHECK_FAMILY(ofAmbience, ambience);
CHECK_FAMILY(ofStack, stack);
runtime_t *runtime = get_ambience_runtime(ambience);
frame_t frame = open_stack(stack);
code_cache_t cache;
code_cache_refresh(&cache, &frame);
E_BEGIN_TRY_FINALLY();
while (true) {
opcode_t opcode = (opcode_t) read_short(&cache, &frame, 0);
TOPIC_INFO(Interpreter, "Opcode: %s (%i)", get_opcode_name(opcode),
opcode_counter++);
IF_EXPENSIVE_CHECKS_ENABLED(MAYBE_INTERRUPT());
switch (opcode) {
case ocPush: {
value_t value = read_value(&cache, &frame, 1);
frame_push_value(&frame, value);
frame.pc += kPushOperationSize;
break;
}
case ocPop: {
size_t count = read_short(&cache, &frame, 1);
for (size_t i = 0; i < count; i++)
frame_pop_value(&frame);
frame.pc += kPopOperationSize;
break;
}
case ocCheckStackHeight: {
size_t expected = read_short(&cache, &frame, 1);
size_t height = frame.stack_pointer - frame.frame_pointer;
CHECK_EQ("stack height", expected, height);
frame.pc += kCheckStackHeightOperationSize;
break;
}
case ocNewArray: {
size_t length = read_short(&cache, &frame, 1);
E_TRY_DEF(array, new_heap_array(runtime, length));
for (size_t i = 0; i < length; i++) {
value_t element = frame_pop_value(&frame);
set_array_at(array, length - i - 1, element);
}
frame_push_value(&frame, array);
frame.pc += kNewArrayOperationSize;
break;
}
case ocInvoke: {
// Look up the method in the method space.
value_t tags = read_value(&cache, &frame, 1);
CHECK_FAMILY(ofCallTags, tags);
value_t fragment = read_value(&cache, &frame, 2);
CHECK_FAMILY(ofModuleFragment, fragment);
value_t helper = read_value(&cache, &frame, 3);
CHECK_FAMILY(ofSignatureMap, helper);
value_t arg_map;
value_t method = lookup_method_full(ambience, fragment, tags, &frame,
helper, &arg_map);
if (in_condition_cause(ccLookupError, method)) {
log_lookup_error(method, tags, &frame);
E_RETURN(method);
}
// The lookup may have failed with a different condition. Check for that.
E_TRY(method);
E_TRY_DEF(code_block, ensure_method_code(runtime, method));
// We should now have done everything that can fail so we advance the
// pc over this instruction. In reality we haven't, the frame push op
// below can fail so we should really push the next frame before
// storing the pc for this one. Laters.
frame.pc += kInvokeOperationSize;
// Push a new activation.
E_TRY(push_stack_frame(runtime, stack, &frame,
get_code_block_high_water_mark(code_block), arg_map));
frame_set_code_block(&frame, code_block);
code_cache_refresh(&cache, &frame);
break;
}
case ocSignalContinue:
case ocSignalEscape: {
// Look up the method in the method space.
value_t tags = read_value(&cache, &frame, 1);
CHECK_FAMILY(ofCallTags, tags);
frame.pc += kSignalEscapeOperationSize;
value_t arg_map = whatever();
value_t handler = whatever();
value_t method = lookup_signal_handler_method(ambience, tags, &frame,
&handler, &arg_map);
bool is_escape = (opcode == ocSignalEscape);
if (in_condition_cause(ccLookupError, method)) {
if (is_escape) {
// There was no handler for this so we have to escape out of the
// interpreter altogether. Push the signal frame onto the stack to
// record the state of it for the enclosing code.
E_TRY(push_stack_frame(runtime, stack, &frame, 1, nothing()));
// The stack tracing code expects all frames to have a valid code block
// object. The rest makes less of a difference.
frame_set_code_block(&frame, ROOT(runtime, empty_code_block));
E_RETURN(new_signal_condition(is_escape));
} else {
// There was no handler but this is not an escape so we skip over
// the post-handler goto to the default block.
CHECK_EQ("signal not followed by goto", ocGoto,
read_short(&cache, &frame, 0));
frame.pc += kGotoOperationSize;
}
} else {
// We found a method. Invoke it.
E_TRY(method);
E_TRY_DEF(code_block, ensure_method_code(runtime, method));
E_TRY(push_stack_frame(runtime, stack, &frame,
get_code_block_high_water_mark(code_block), arg_map));
frame_set_code_block(&frame, code_block);
CHECK_TRUE("subject not null", is_null(frame_get_argument(&frame, 0)));
frame_set_argument(&frame, 0, handler);
code_cache_refresh(&cache, &frame);
}
break;
}
case ocGoto: {
size_t delta = read_short(&cache, &frame, 1);
frame.pc += delta;
break;
}
case ocDelegateToLambda:
case ocDelegateToBlock: {
// This op only appears in the lambda and block delegator methods.
// They should never be executed because the delegation happens during
// method lookup. If we hit here something's likely wrong with the
// lookup process.
UNREACHABLE("delegate to lambda");
return new_condition(ccWat);
}
case ocBuiltin: {
value_t wrapper = read_value(&cache, &frame, 1);
builtin_method_t impl = (builtin_method_t) get_void_p_value(wrapper);
builtin_arguments_t args;
builtin_arguments_init(&args, runtime, &frame);
E_TRY_DEF(result, impl(&args));
frame_push_value(&frame, result);
frame.pc += kBuiltinOperationSize;
break;
}
case ocBuiltinMaybeEscape: {
value_t wrapper = read_value(&cache, &frame, 1);
builtin_method_t impl = (builtin_method_t) get_void_p_value(wrapper);
builtin_arguments_t args;
builtin_arguments_init(&args, runtime, &frame);
value_t result = impl(&args);
if (in_condition_cause(ccSignal, result)) {
// The builtin failed. Find the appropriate signal handler and call
// it. The invocation record is at the top of the stack.
value_t tags = frame_pop_value(&frame);
CHECK_FAMILY(ofCallTags, tags);
value_t arg_map = whatever();
value_t handler = whatever();
value_t method = lookup_signal_handler_method(ambience, tags, &frame,
&handler, &arg_map);
if (in_condition_cause(ccLookupError, method)) {
// Push the record back onto the stack to it's available to back
// tracing.
frame_push_value(&frame, tags);
frame.pc += kBuiltinMaybeEscapeOperationSize;
// There was no handler for this so we have to escape out of the
// interpreter altogether. Push the signal frame onto the stack to
// record the state of it for the enclosing code.
E_TRY(push_stack_frame(runtime, stack, &frame, 1, nothing()));
// The stack tracing code expects all frames to have a valid code block
// object. The rest makes less of a difference.
frame_set_code_block(&frame, ROOT(runtime, empty_code_block));
E_RETURN(new_signal_condition(true));
}
// Either found a signal or encountered a different condition.
E_TRY(method);
// Skip forward to the point we want the signal to return to, the
// leave-or-fire-barrier op that will do the leaving.
size_t dest_offset = read_short(&cache, &frame, 2);
frame.pc += dest_offset;
// Run the handler.
E_TRY_DEF(code_block, ensure_method_code(runtime, method));
E_TRY(push_stack_frame(runtime, stack, &frame,
get_code_block_high_water_mark(code_block), arg_map));
frame_set_code_block(&frame, code_block);
CHECK_TRUE("subject not null", is_null(frame_get_argument(&frame, 0)));
frame_set_argument(&frame, 0, handler);
code_cache_refresh(&cache, &frame);
} else {
// The builtin didn't cause a condition so we can just keep going.
E_TRY(result);
frame_push_value(&frame, result);
frame.pc += kBuiltinMaybeEscapeOperationSize;
}
break;
}
case ocReturn: {
value_t result = frame_pop_value(&frame);
frame_pop_within_stack_piece(&frame);
code_cache_refresh(&cache, &frame);
frame_push_value(&frame, result);
break;
}
case ocStackBottom: {
value_t result = frame_pop_value(&frame);
validate_stack_on_normal_exit(&frame);
E_RETURN(result);
}
case ocStackPieceBottom: {
value_t top_piece = frame.stack_piece;
value_t result = frame_pop_value(&frame);
value_t next_piece = get_stack_piece_previous(top_piece);
set_stack_top_piece(stack, next_piece);
frame = open_stack(stack);
code_cache_refresh(&cache, &frame);
frame_push_value(&frame, result);
break;
}
case ocSlap: {
value_t value = frame_pop_value(&frame);
size_t argc = read_short(&cache, &frame, 1);
for (size_t i = 0; i < argc; i++)
frame_pop_value(&frame);
frame_push_value(&frame, value);
frame.pc += kSlapOperationSize;
break;
}
case ocNewReference: {
// Create the reference first so that if it fails we haven't clobbered
// the stack yet.
E_TRY_DEF(ref, new_heap_reference(runtime, nothing()));
value_t value = frame_pop_value(&frame);
set_reference_value(ref, value);
frame_push_value(&frame, ref);
frame.pc += kNewReferenceOperationSize;
break;
}
case ocSetReference: {
value_t ref = frame_pop_value(&frame);
CHECK_FAMILY(ofReference, ref);
value_t value = frame_peek_value(&frame, 0);
set_reference_value(ref, value);
frame.pc += kSetReferenceOperationSize;
break;
}
case ocGetReference: {
value_t ref = frame_pop_value(&frame);
CHECK_FAMILY(ofReference, ref);
value_t value = get_reference_value(ref);
frame_push_value(&frame, value);
frame.pc += kGetReferenceOperationSize;
break;
}
case ocLoadLocal: {
size_t index = read_short(&cache, &frame, 1);
value_t value = frame_get_local(&frame, index);
frame_push_value(&frame, value);
frame.pc += kLoadLocalOperationSize;
break;
}
case ocLoadGlobal: {
value_t ident = read_value(&cache, &frame, 1);
CHECK_FAMILY(ofIdentifier, ident);
value_t fragment = read_value(&cache, &frame, 2);
CHECK_FAMILY(ofModuleFragment, fragment);
value_t module = get_module_fragment_module(fragment);
E_TRY_DEF(value, module_lookup_identifier(runtime, module,
get_identifier_stage(ident), get_identifier_path(ident)));
frame_push_value(&frame, value);
frame.pc += kLoadGlobalOperationSize;
break;
}
case ocLoadArgument: {
size_t param_index = read_short(&cache, &frame, 1);
value_t value = frame_get_argument(&frame, param_index);
frame_push_value(&frame, value);
frame.pc += kLoadArgumentOperationSize;
break;
}
case ocLoadRefractedArgument: {
size_t param_index = read_short(&cache, &frame, 1);
size_t block_depth = read_short(&cache, &frame, 2);
value_t subject = frame_get_argument(&frame, 0);
frame_t home = frame_empty();
get_refractor_refracted_frame(subject, block_depth, &home);
value_t value = frame_get_argument(&home, param_index);
frame_push_value(&frame, value);
frame.pc += kLoadRefractedArgumentOperationSize;
break;
}
case ocLoadRefractedLocal: {
size_t index = read_short(&cache, &frame, 1);
size_t block_depth = read_short(&cache, &frame, 2);
value_t subject = frame_get_argument(&frame, 0);
frame_t home = frame_empty();
get_refractor_refracted_frame(subject, block_depth, &home);
value_t value = frame_get_local(&home, index);
frame_push_value(&frame, value);
frame.pc += kLoadRefractedLocalOperationSize;
break;
}
case ocLoadLambdaCapture: {
size_t index = read_short(&cache, &frame, 1);
value_t subject = frame_get_argument(&frame, 0);
CHECK_FAMILY(ofLambda, subject);
value_t value = get_lambda_capture(subject, index);
frame_push_value(&frame, value);
frame.pc += kLoadLambdaCaptureOperationSize;
break;
}
case ocLoadRefractedCapture: {
size_t index = read_short(&cache, &frame, 1);
size_t block_depth = read_short(&cache, &frame, 2);
value_t subject = frame_get_argument(&frame, 0);
frame_t home = frame_empty();
get_refractor_refracted_frame(subject, block_depth, &home);
value_t lambda = frame_get_argument(&home, 0);
CHECK_FAMILY(ofLambda, lambda);
value_t value = get_lambda_capture(lambda, index);
frame_push_value(&frame, value);
frame.pc += kLoadRefractedLocalOperationSize;
break;
}
case ocLambda: {
value_t space = read_value(&cache, &frame, 1);
CHECK_FAMILY(ofMethodspace, space);
size_t capture_count = read_short(&cache, &frame, 2);
value_t captures;
E_TRY_DEF(lambda, new_heap_lambda(runtime, space, nothing()));
if (capture_count == 0) {
captures = ROOT(runtime, empty_array);
frame.pc += kLambdaOperationSize;
} else {
E_TRY_SET(captures, new_heap_array(runtime, capture_count));
// The pc gets incremented here because it is after we've done all
// the allocation but before anything has been popped off the stack.
// This way all the above is idempotent, and the below is guaranteed
// to succeed.
frame.pc += kLambdaOperationSize;
for (size_t i = 0; i < capture_count; i++)
set_array_at(captures, i, frame_pop_value(&frame));
}
set_lambda_captures(lambda, captures);
frame_push_value(&frame, lambda);
break;
}
case ocCreateBlock: {
value_t space = read_value(&cache, &frame, 1);
CHECK_FAMILY(ofMethodspace, space);
// Create the block object.
E_TRY_DEF(block, new_heap_block(runtime, nothing()));
// Create the stack section that describes the block.
value_t section = frame_alloc_derived_object(&frame, get_genus_descriptor(dgBlockSection));
set_barrier_state_payload(section, block);
refraction_point_init(section, &frame);
set_block_section_methodspace(section, space);
set_block_section(block, section);
value_validate(block);
value_validate(section);
// Push the block object.
frame_push_value(&frame, block);
frame.pc += kCreateBlockOperationSize;
break;
}
case ocCreateEnsurer: {
value_t code_block = read_value(&cache, &frame, 1);
value_t section = frame_alloc_derived_object(&frame,
get_genus_descriptor(dgEnsureSection));
set_barrier_state_payload(section, code_block);
refraction_point_init(section, &frame);
value_validate(section);
frame_push_value(&frame, section);
frame.pc += kCreateEnsurerOperationSize;
break;
}
case ocCallEnsurer: {
value_t value = frame_pop_value(&frame);
value_t shard = frame_pop_value(&frame);
frame_push_value(&frame, value);
frame_push_value(&frame, shard);
CHECK_GENUS(dgEnsureSection, shard);
value_t code_block = get_barrier_state_payload(shard);
CHECK_FAMILY(ofCodeBlock, code_block);
// Unregister the barrier before calling it, otherwise if we leave
// by escaping we'll end up calling it over again.
barrier_state_unregister(shard, stack);
frame.pc += kCallEnsurerOperationSize;
value_t argmap = ROOT(runtime, array_of_zero);
push_stack_frame(runtime, stack, &frame,
get_code_block_high_water_mark(code_block), argmap);
frame_set_code_block(&frame, code_block);
code_cache_refresh(&cache, &frame);
break;
}
case ocDisposeEnsurer: {
// Discard the result of the ensure block. If an ensure blocks needs
// to return a useful value it can do it via an escape.
frame_pop_value(&frame);
value_t shard = frame_pop_value(&frame);
CHECK_GENUS(dgEnsureSection, shard);
value_t value = frame_pop_value(&frame);
frame_destroy_derived_object(&frame, get_genus_descriptor(dgEnsureSection));
frame_push_value(&frame, value);
frame.pc += kDisposeEnsurerOperationSize;
break;
}
case ocInstallSignalHandler: {
value_t space = read_value(&cache, &frame, 1);
CHECK_FAMILY(ofMethodspace, space);
size_t dest_offset = read_short(&cache, &frame, 2);
// Allocate the derived object that's going to hold the signal handler
// state.
value_t section = frame_alloc_derived_object(&frame,
get_genus_descriptor(dgSignalHandlerSection));
// Initialize the handler.
set_barrier_state_payload(section, space);
refraction_point_init(section, &frame);
// Bring the frame state to the point we'll want to escape to (modulo
// the destination offset).
frame_push_value(&frame, section);
frame.pc += kInstallSignalHandlerOperationSize;
// Finally capture the escape state.
capture_escape_state(section, &frame, dest_offset);
value_validate(section);
break;
}
case ocUninstallSignalHandler: {
// The result has been left at the top of the stack.
value_t value = frame_pop_value(&frame);
value_t section = frame_pop_value(&frame);
CHECK_GENUS(dgSignalHandlerSection, section);
barrier_state_unregister(section, stack);
frame_destroy_derived_object(&frame, get_genus_descriptor(dgSignalHandlerSection));
frame_push_value(&frame, value);
frame.pc += kUninstallSignalHandlerOperationSize;
break;
}
case ocCreateEscape: {
size_t dest_offset = read_short(&cache, &frame, 1);
// Create an initially empty escape object.
E_TRY_DEF(escape, new_heap_escape(runtime, nothing()));
// Allocate the escape section on the stack, hooking the barrier into
// the barrier chain.
value_t section = frame_alloc_derived_object(&frame, get_genus_descriptor(dgEscapeSection));
// Point the state and object to each other.
set_barrier_state_payload(section, escape);
set_escape_section(escape, section);
// Get execution ready for the next operation.
frame_push_value(&frame, escape);
frame.pc += kCreateEscapeOperationSize;
// This is the execution state the escape will escape to (modulo the
// destination offset) so this is what we want to capture.
capture_escape_state(section, &frame,
dest_offset);
break;
}
case ocLeaveOrFireBarrier: {
size_t argc = read_short(&cache, &frame, 1);
// At this point the handler has been set as the subject of the call
// to the handler method. Above the arguments are also two scratch
// stack entries.
value_t handler = frame_peek_value(&frame, argc + 2);
CHECK_GENUS(dgSignalHandlerSection, handler);
if (maybe_fire_next_barrier(&cache, &frame, runtime, stack, handler)) {
// Pop the scratch entries off.
frame_pop_value(&frame);
frame_pop_value(&frame);
// Pop the value off.
value_t value = frame_pop_value(&frame);
// Escape to the handler's home.
restore_escape_state(&frame, stack, handler);
code_cache_refresh(&cache, &frame);
// Push the value back on, now in the handler's home frame.
frame_push_value(&frame, value);
} else {
// If a barrier was fired we'll want to let the interpreter loop
// around again so just break without touching .pc.
}
break;
}
case ocFireEscapeOrBarrier: {
value_t escape = frame_get_argument(&frame, 0);
CHECK_FAMILY(ofEscape, escape);
value_t section = get_escape_section(escape);
// Fire the next barrier or, if there are no more barriers, apply the
// escape.
if (maybe_fire_next_barrier(&cache, &frame, runtime, stack, section)) {
value_t value = frame_get_argument(&frame, 2);
restore_escape_state(&frame, stack, section);
code_cache_refresh(&cache, &frame);
frame_push_value(&frame, value);
} else {
// If a barrier was fired we'll want to let the interpreter loop
// around again so just break without touching .pc.
}
break;
}
case ocDisposeEscape: {
value_t value = frame_pop_value(&frame);
value_t escape = frame_pop_value(&frame);
CHECK_FAMILY(ofEscape, escape);
value_t section = get_escape_section(escape);
value_validate(section);
barrier_state_unregister(section, stack);
on_escape_section_exit(section);
frame_destroy_derived_object(&frame, get_genus_descriptor(dgEscapeSection));
frame_push_value(&frame, value);
frame.pc += kDisposeEscapeOperationSize;
break;
}
case ocDisposeBlock: {
value_t value = frame_pop_value(&frame);
value_t block = frame_pop_value(&frame);
CHECK_FAMILY(ofBlock, block);
value_t section = get_block_section(block);
barrier_state_unregister(section, stack);
on_block_section_exit(section);
frame_destroy_derived_object(&frame, get_genus_descriptor(dgBlockSection));
frame_push_value(&frame, value);
frame.pc += kDisposeBlockOperationSize;
break;
}
default:
ERROR("Unexpected opcode %i", opcode);
UNREACHABLE("unexpected opcode");
break;
}
}
E_FINALLY();
close_frame(&frame);
E_END_TRY_FINALLY();
}
//! [1] QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int,QString,double))); myCustomObject->doSomething(); // trigger emission of the signal QList<QVariant> arguments = spy.takeFirst(); QVERIFY(arguments.at(0).type() == QVariant::Int); QVERIFY(arguments.at(1).type() == QVariant::QString); QVERIFY(arguments.at(2).type() == QVariant::double); //! [1] //! [2] qRegisterMetaType<SomeStruct>(); QSignalSpy spy(&model, SIGNAL(whatever(SomeStruct))); //! [2] //! [3] // get the first argument from the first received signal: SomeStruct result = qvariant_cast<SomeStruct>(spy.at(0).at(0)); //! [3] //! [4] QSignalSpy spy(myPushButton, SIGNAL(clicked(bool))); //! [4] //! [5] QVERIFY(spy.wait(1000));
//! [0]
//! [1]
QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int, QString, double)));
myCustomObject->doSomething(); // trigger emission of the signal
QList<QVariant> arguments = spy.takeFirst();
QVERIFY(arguments.at(0).type() == QVariant::Int);
QVERIFY(arguments.at(1).type() == QVariant::QString);
QVERIFY(arguments.at(2).type() == QVariant::double);
//! [1]
//! [2]
qRegisterMetaType<QModelIndex>("QModelIndex");
QSignalSpy spy(&model, SIGNAL(whatever(QModelIndex)));
//! [2]
//! [3]
// get the first argument from the first received signal:
QModelIndex result = qvariant_cast<QModelIndex>(spy.at(0).at(0));
//! [3]
//! [4]
QSignalSpy spy(myPushButton, SIGNAL(clicked(bool)));
//! [4]
operator whatever() { return whatever(); }
void binding_context_init(binding_context_t *context, value_t ambience) {
context->bound_module_map = whatever();
context->fragment_entry_map = whatever();
context->ambience = ambience;
}
