bool VM::initRepl()
{
ErrorReporter reporter;
Module* core = addModule(reporter, String::create("core"), NULL);
if (reporter.numErrors() > 0) return false;
if (!core->compile(*this)) return false;
scheduler_.runModule(core);
return true;
}
bool Module::compile(VM& vm)
{
ASSERT(!ast_.isNull(), "Must parse module before compiling.");
ErrorReporter reporter;
Compiler::compileModule(vm, reporter, ast_, this);
// Now that we've compiled it, we can throw away the AST.
ast_ = NULL;
return reporter.numErrors() == 0;
}
void XCScheme::parseBuildAction(const pugi::xml_node& node, const ErrorReporter& reporter)
{
// Get the BuildableReference node
BuildRef br;
const pugi::xml_node brNode = node.first_child();
// Get the product name
getXMLProperty(brNode, "BuildableName", br.productName, VALUE_REQUIRED, reporter);
// Get the target name
getXMLProperty(brNode, "BlueprintName", br.targetName, VALUE_REQUIRED, reporter);
// Get the container (project) for the target
getXMLProperty(brNode, "ReferencedContainer", br.container, VALUE_REQUIRED, reporter);
br.container = br.container.substr(10);
// Get target id
getXMLProperty(brNode, "BlueprintIdentifier", br.id, VALUE_REQUIRED, reporter);
// Check that all fields were read
if (br.productName.empty() || br.targetName.empty() ||
br.container.empty() || br.id.empty()) {
reporter.reportError("BuildableReference is incomplete.");
return;
}
// Get the value of buildForArchiving
String shouldArchive;
getXMLProperty(node, "buildForArchiving", shouldArchive, VALUE_REQUIRED, reporter);
if (shouldArchive == "YES") {
m_targets.push_back(br);
} else {
SBLog::info() << "Ignoring BuildableReference to \"" << br.targetName << "\" target because it is not archivable." << std::endl;
}
}
// TODO: hacky, parses arbitrary code string into a module
void ParserTests::testCode(const char* sourceString, const char* expected)
{
gc<String> code = String::create(sourceString);
ErrorReporter reporter;
gc<SourceFile> source = new SourceFile(String::create("<file>"), code);
Parser parser(source, reporter);
gc<ModuleAst> module = parser.parseModule();
int numErrors = reporter.numErrors();
EXPECT_EQUAL(0, numErrors);
if (numErrors == 0) {
gc<String> text = module->body()->toString();
EXPECT_EQUAL(expected, *text);
}
}
void getXMLProperty(const pugi::xml_node& node, const String& propName, String& ret, GetterBehavior opt, const ErrorReporter& reporter)
{
const pugi::xml_attribute attrib = node.attribute(propName.c_str());
if (attrib)
ret = attrib.value();
else if (opt == VALUE_REQUIRED)
reporter.reportError("Failed reading \"" + propName + "\" property.");
}
gc<Object> VM::evaluateReplExpression(gc<Expr> expr)
{
ErrorReporter reporter;
if (replModule_ == NULL)
{
replModule_ = new Module(String::create("<repl>"), String::create(""));
modules_.add(replModule_);
// Implicitly import core.
importModule(reporter, replModule_, NULL, String::create("core"));
}
// Compile it.
Compiler::compileExpression(*this, reporter, expr, replModule_);
if (reporter.numErrors() > 0) return gc<Object>();
return scheduler_.runModule(replModule_);
}
void parseConfigFile(Options& opts, const string& filename, ErrorReporter& error_reporter)
{
ifstream cfgstream(filename.c_str(), ifstream::in);
if (!cfgstream)
{
error_reporter.error(filename) << "Failed to open config file\n";
return;
}
CfgStreamParser csp(filename, opts, error_reporter);
csp.scanStream(cfgstream);
}
bool Module::parse(ErrorReporter& reporter)
{
ASSERT(ast_.isNull(), "Module is already parsed.");
gc<String> code = readFile(path_);
if (code.isNull())
{
reporter.error(NULL, "Could not read \"%s\".", path_->cString());
return false;
}
source_ = new SourceFile(path_, code);
Parser parser(source_, reporter);
ast_ = parser.parseModule();
return !ast_.isNull();
}
void VMError::report_and_die() {
// Don't allocate large buffer on stack
static char buffer[O_BUFLEN];
// An error could happen before tty is initialized or after it has been
// destroyed. Here we use a very simple unbuffered fdStream for printing.
// Only out.print_raw() and out.print_raw_cr() should be used, as other
// printing methods need to allocate large buffer on stack. To format a
// string, use jio_snprintf() with a static buffer or use staticBufferStream.
static fdStream out(defaultStream::output_fd());
// How many errors occurred in error handler when reporting first_error.
static int recursive_error_count;
// We will first print a brief message to standard out (verbose = false),
// then save detailed information in log file (verbose = true).
static bool out_done = false; // done printing to standard out
static bool log_done = false; // done saving error log
static bool transmit_report_done = false; // done error reporting
static fdStream log; // error log
if (SuppressFatalErrorMessage) {
os::abort();
}
jlong mytid = os::current_thread_id();
if (first_error == NULL &&
Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) {
// first time
first_error_tid = mytid;
set_error_reported();
if (ShowMessageBoxOnError || PauseAtExit) {
show_message_box(buffer, sizeof(buffer));
// User has asked JVM to abort. Reset ShowMessageBoxOnError so the
// WatcherThread can kill JVM if the error handler hangs.
ShowMessageBoxOnError = false;
}
// Write a minidump on Windows, check core dump limits on Linux/Solaris
os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer));
// reset signal handlers or exception filter; make sure recursive crashes
// are handled properly.
reset_signal_handlers();
} else {
// If UseOsErrorReporting we call this for each level of the call stack
// while searching for the exception handler. Only the first level needs
// to be reported.
if (UseOSErrorReporting && log_done) return;
// This is not the first error, see if it happened in a different thread
// or in the same thread during error reporting.
if (first_error_tid != mytid) {
jio_snprintf(buffer, sizeof(buffer),
"[thread " INT64_FORMAT " also had an error]",
mytid);
out.print_raw_cr(buffer);
// error reporting is not MT-safe, block current thread
os::infinite_sleep();
} else {
if (recursive_error_count++ > 30) {
out.print_raw_cr("[Too many errors, abort]");
os::die();
}
jio_snprintf(buffer, sizeof(buffer),
"[error occurred during error reporting %s, id 0x%x]",
first_error ? first_error->_current_step_info : "",
_id);
if (log.is_open()) {
log.cr();
log.print_raw_cr(buffer);
log.cr();
} else {
out.cr();
out.print_raw_cr(buffer);
out.cr();
}
}
}
// print to screen
if (!out_done) {
first_error->_verbose = false;
staticBufferStream sbs(buffer, sizeof(buffer), &out);
first_error->report(&sbs);
out_done = true;
first_error->_current_step = 0; // reset current_step
first_error->_current_step_info = ""; // reset current_step string
}
// print to error log file
if (!log_done) {
first_error->_verbose = true;
// see if log file is already open
if (!log.is_open()) {
// open log file
int fd = -1;
if (ErrorFile != NULL) {
bool copy_ok =
Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer));
if (copy_ok) {
fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
}
}
if (fd == -1) {
const char *cwd = os::get_current_directory(buffer, sizeof(buffer));
size_t len = strlen(cwd);
// either user didn't specify, or the user's location failed,
// so use the default name in the current directory
jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log",
os::file_separator(), os::current_process_id());
fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
}
if (fd == -1) {
const char * tmpdir = os::get_temp_directory();
// try temp directory if it exists.
if (tmpdir != NULL && tmpdir[0] != '\0') {
jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log",
tmpdir, os::file_separator(), os::current_process_id());
fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
}
}
if (fd != -1) {
out.print_raw("# An error report file with more information is saved as:\n# ");
out.print_raw_cr(buffer);
os::set_error_file(buffer);
log.set_fd(fd);
} else {
out.print_raw_cr("# Can not save log file, dump to screen..");
log.set_fd(defaultStream::output_fd());
/* Error reporting currently needs dumpfile.
* Maybe implement direct streaming in the future.*/
transmit_report_done = true;
}
}
staticBufferStream sbs(buffer, O_BUFLEN, &log);
first_error->report(&sbs);
first_error->_current_step = 0; // reset current_step
first_error->_current_step_info = ""; // reset current_step string
// Run error reporting to determine whether or not to report the crash.
if (!transmit_report_done && should_report_bug(first_error->_id)) {
transmit_report_done = true;
FILE* hs_err = ::fdopen(log.fd(), "r");
if (NULL != hs_err) {
ErrorReporter er;
er.call(hs_err, buffer, O_BUFLEN);
}
}
if (log.fd() != defaultStream::output_fd()) {
close(log.fd());
}
log.set_fd(-1);
log_done = true;
}
static bool skip_OnError = false;
if (!skip_OnError && OnError && OnError[0]) {
skip_OnError = true;
out.print_raw_cr("#");
out.print_raw ("# -XX:OnError=\"");
out.print_raw (OnError);
out.print_raw_cr("\"");
char* cmd;
const char* ptr = OnError;
while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
out.print_raw ("# Executing ");
#if defined(LINUX) || defined(_ALLBSD_SOURCE)
out.print_raw ("/bin/sh -c ");
#elif defined(SOLARIS)
out.print_raw ("/usr/bin/sh -c ");
#endif
out.print_raw ("\"");
out.print_raw (cmd);
out.print_raw_cr("\" ...");
os::fork_and_exec(cmd);
}
// done with OnError
OnError = NULL;
}
static bool skip_bug_url = !should_report_bug(first_error->_id);
if (!skip_bug_url) {
skip_bug_url = true;
out.print_raw_cr("#");
print_bug_submit_message(&out, _thread);
}
if (!UseOSErrorReporting) {
// os::abort() will call abort hooks, try it first.
static bool skip_os_abort = false;
if (!skip_os_abort) {
skip_os_abort = true;
bool dump_core = should_report_bug(first_error->_id);
os::abort(dump_core);
}
// if os::abort() doesn't abort, try os::die();
os::die();
}
}
void VMError::report_and_die(int id, const char* message, const char* detail_fmt, va_list detail_args,
Thread* thread, address pc, void* siginfo, void* context, const char* filename,
int lineno, size_t size)
{
// Don't allocate large buffer on stack
static char buffer[O_BUFLEN];
out.set_scratch_buffer(buffer, sizeof(buffer));
log.set_scratch_buffer(buffer, sizeof(buffer));
// How many errors occurred in error handler when reporting first_error.
static int recursive_error_count;
// We will first print a brief message to standard out (verbose = false),
// then save detailed information in log file (verbose = true).
static bool out_done = false; // done printing to standard out
static bool log_done = false; // done saving error log
static bool transmit_report_done = false; // done error reporting
if (SuppressFatalErrorMessage) {
os::abort(CreateCoredumpOnCrash);
}
intptr_t mytid = os::current_thread_id();
if (first_error_tid == -1 &&
Atomic::cmpxchg_ptr(mytid, &first_error_tid, -1) == -1) {
// Initialize time stamps to use the same base.
out.time_stamp().update_to(1);
log.time_stamp().update_to(1);
_id = id;
_message = message;
_thread = thread;
_pc = pc;
_siginfo = siginfo;
_context = context;
_filename = filename;
_lineno = lineno;
_size = size;
jio_vsnprintf(_detail_msg, sizeof(_detail_msg), detail_fmt, detail_args);
// first time
set_error_reported();
if (ShowMessageBoxOnError || PauseAtExit) {
show_message_box(buffer, sizeof(buffer));
// User has asked JVM to abort. Reset ShowMessageBoxOnError so the
// WatcherThread can kill JVM if the error handler hangs.
ShowMessageBoxOnError = false;
}
os::check_dump_limit(buffer, sizeof(buffer));
// reset signal handlers or exception filter; make sure recursive crashes
// are handled properly.
reset_signal_handlers();
TRACE_VM_ERROR();
} else {
// If UseOsErrorReporting we call this for each level of the call stack
// while searching for the exception handler. Only the first level needs
// to be reported.
if (UseOSErrorReporting && log_done) return;
// This is not the first error, see if it happened in a different thread
// or in the same thread during error reporting.
if (first_error_tid != mytid) {
char msgbuf[64];
jio_snprintf(msgbuf, sizeof(msgbuf),
"[thread " INTX_FORMAT " also had an error]",
mytid);
out.print_raw_cr(msgbuf);
// error reporting is not MT-safe, block current thread
os::infinite_sleep();
} else {
if (recursive_error_count++ > 30) {
out.print_raw_cr("[Too many errors, abort]");
os::die();
}
jio_snprintf(buffer, sizeof(buffer),
"[error occurred during error reporting (%s), id 0x%x]",
_current_step_info, _id);
if (log.is_open()) {
log.cr();
log.print_raw_cr(buffer);
log.cr();
} else {
out.cr();
out.print_raw_cr(buffer);
out.cr();
}
}
}
// print to screen
if (!out_done) {
report(&out, false);
out_done = true;
_current_step = 0;
_current_step_info = "";
}
// print to error log file
if (!log_done) {
// see if log file is already open
if (!log.is_open()) {
// open log file
int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer));
if (fd != -1) {
out.print_raw("# An error report file with more information is saved as:\n# ");
out.print_raw_cr(buffer);
log.set_fd(fd);
} else {
out.print_raw_cr("# Can not save log file, dump to screen..");
log.set_fd(defaultStream::output_fd());
/* Error reporting currently needs dumpfile.
* Maybe implement direct streaming in the future.*/
transmit_report_done = true;
}
}
report(&log, true);
_current_step = 0;
_current_step_info = "";
// Run error reporting to determine whether or not to report the crash.
if (!transmit_report_done && should_report_bug(_id)) {
transmit_report_done = true;
const int fd2 = ::dup(log.fd());
FILE* const hs_err = ::fdopen(fd2, "r");
if (NULL != hs_err) {
ErrorReporter er;
er.call(hs_err, buffer, O_BUFLEN);
}
::fclose(hs_err);
}
if (log.fd() != defaultStream::output_fd()) {
close(log.fd());
}
log.set_fd(-1);
log_done = true;
}
static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay
if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) {
skip_replay = true;
ciEnv* env = ciEnv::current();
if (env != NULL) {
int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer));
if (fd != -1) {
FILE* replay_data_file = os::open(fd, "w");
if (replay_data_file != NULL) {
fileStream replay_data_stream(replay_data_file, /*need_close=*/true);
env->dump_replay_data_unsafe(&replay_data_stream);
out.print_raw("#\n# Compiler replay data is saved as:\n# ");
out.print_raw_cr(buffer);
} else {
int e = errno;
out.print_raw("#\n# Can't open file to dump replay data. Error: ");
out.print_raw_cr(os::strerror(e));
}
}
}
}
static bool skip_bug_url = !should_report_bug(_id);
if (!skip_bug_url) {
skip_bug_url = true;
out.print_raw_cr("#");
print_bug_submit_message(&out, _thread);
}
static bool skip_OnError = false;
if (!skip_OnError && OnError && OnError[0]) {
skip_OnError = true;
// Flush output and finish logs before running OnError commands.
ostream_abort();
out.print_raw_cr("#");
out.print_raw ("# -XX:OnError=\"");
out.print_raw (OnError);
out.print_raw_cr("\"");
char* cmd;
const char* ptr = OnError;
while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
out.print_raw ("# Executing ");
#if defined(LINUX) || defined(_ALLBSD_SOURCE)
out.print_raw ("/bin/sh -c ");
#elif defined(SOLARIS)
out.print_raw ("/usr/bin/sh -c ");
#endif
out.print_raw ("\"");
out.print_raw (cmd);
out.print_raw_cr("\" ...");
if (os::fork_and_exec(cmd) < 0) {
out.print_cr("os::fork_and_exec failed: %s (%s=%d)",
os::strerror(errno), os::errno_name(errno), errno);
}
}
// done with OnError
OnError = NULL;
}
if (!UseOSErrorReporting) {
// os::abort() will call abort hooks, try it first.
static bool skip_os_abort = false;
if (!skip_os_abort) {
skip_os_abort = true;
bool dump_core = should_report_bug(_id);
os::abort(dump_core && CreateCoredumpOnCrash, _siginfo, _context);
}
// if os::abort() doesn't abort, try os::die();
os::die();
}
}
void VMError::report_and_die() {
// Don't allocate large buffer on stack
static char buffer[O_BUFLEN];
// How many errors occurred in error handler when reporting first_error.
static int recursive_error_count;
// We will first print a brief message to standard out (verbose = false),
// then save detailed information in log file (verbose = true).
static bool out_done = false; // done printing to standard out
static bool log_done = false; // done saving error log
static bool transmit_report_done = false; // done error reporting
// disble NMT to avoid further exception
MemTracker::shutdown(MemTracker::NMT_error_reporting);
if (SuppressFatalErrorMessage) {
os::abort();
}
jlong mytid = os::current_thread_id();
if (first_error == NULL &&
Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) {
// first time
first_error_tid = mytid;
set_error_reported();
if (ShowMessageBoxOnError || PauseAtExit) {
show_message_box(buffer, sizeof(buffer));
// User has asked JVM to abort. Reset ShowMessageBoxOnError so the
// WatcherThread can kill JVM if the error handler hangs.
ShowMessageBoxOnError = false;
}
// Write a minidump on Windows, check core dump limits on Linux/Solaris
os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer));
// reset signal handlers or exception filter; make sure recursive crashes
// are handled properly.
reset_signal_handlers();
} else {
// If UseOsErrorReporting we call this for each level of the call stack
// while searching for the exception handler. Only the first level needs
// to be reported.
if (UseOSErrorReporting && log_done) return;
// This is not the first error, see if it happened in a different thread
// or in the same thread during error reporting.
if (first_error_tid != mytid) {
char msgbuf[64];
jio_snprintf(msgbuf, sizeof(msgbuf),
"[thread " INT64_FORMAT " also had an error]",
mytid);
out.print_raw_cr(msgbuf);
// error reporting is not MT-safe, block current thread
os::infinite_sleep();
} else {
if (recursive_error_count++ > 30) {
out.print_raw_cr("[Too many errors, abort]");
os::die();
}
jio_snprintf(buffer, sizeof(buffer),
"[error occurred during error reporting %s, id 0x%x]",
first_error ? first_error->_current_step_info : "",
_id);
if (log.is_open()) {
log.cr();
log.print_raw_cr(buffer);
log.cr();
} else {
out.cr();
out.print_raw_cr(buffer);
out.cr();
}
}
}
// print to screen
if (!out_done) {
first_error->_verbose = false;
staticBufferStream sbs(buffer, sizeof(buffer), &out);
first_error->report(&sbs);
out_done = true;
first_error->_current_step = 0; // reset current_step
first_error->_current_step_info = ""; // reset current_step string
}
// print to error log file
if (!log_done) {
first_error->_verbose = true;
// see if log file is already open
if (!log.is_open()) {
// open log file
int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer));
if (fd != -1) {
out.print_raw("# An error report file with more information is saved as:\n# ");
out.print_raw_cr(buffer);
os::set_error_file(buffer);
log.set_fd(fd);
} else {
out.print_raw_cr("# Can not save log file, dump to screen..");
log.set_fd(defaultStream::output_fd());
/* Error reporting currently needs dumpfile.
* Maybe implement direct streaming in the future.*/
transmit_report_done = true;
}
}
staticBufferStream sbs(buffer, O_BUFLEN, &log);
first_error->report(&sbs);
first_error->_current_step = 0; // reset current_step
first_error->_current_step_info = ""; // reset current_step string
// Run error reporting to determine whether or not to report the crash.
if (!transmit_report_done && should_report_bug(first_error->_id)) {
transmit_report_done = true;
FILE* hs_err = os::open(log.fd(), "r");
if (NULL != hs_err) {
ErrorReporter er;
er.call(hs_err, buffer, O_BUFLEN);
}
}
if (log.fd() != defaultStream::output_fd()) {
close(log.fd());
}
log.set_fd(-1);
log_done = true;
}
static bool skip_OnError = false;
if (!skip_OnError && OnError && OnError[0]) {
skip_OnError = true;
out.print_raw_cr("#");
out.print_raw ("# -XX:OnError=\"");
out.print_raw (OnError);
out.print_raw_cr("\"");
char* cmd;
const char* ptr = OnError;
while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
out.print_raw ("# Executing ");
#if defined(LINUX) || defined(_ALLBSD_SOURCE)
out.print_raw ("/bin/sh -c ");
#elif defined(SOLARIS)
out.print_raw ("/usr/bin/sh -c ");
#endif
out.print_raw ("\"");
out.print_raw (cmd);
out.print_raw_cr("\" ...");
os::fork_and_exec(cmd);
}
// done with OnError
OnError = NULL;
}
static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay
if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) {
skip_replay = true;
ciEnv* env = ciEnv::current();
if (env != NULL) {
int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer));
if (fd != -1) {
FILE* replay_data_file = os::open(fd, "w");
if (replay_data_file != NULL) {
fileStream replay_data_stream(replay_data_file, /*need_close=*/true);
env->dump_replay_data_unsafe(&replay_data_stream);
out.print_raw("#\n# Compiler replay data is saved as:\n# ");
out.print_raw_cr(buffer);
} else {
out.print_raw("#\n# Can't open file to dump replay data. Error: ");
out.print_raw_cr(strerror(os::get_last_error()));
}
}
}
}
static bool skip_bug_url = !should_report_bug(first_error->_id);
if (!skip_bug_url) {
skip_bug_url = true;
out.print_raw_cr("#");
print_bug_submit_message(&out, _thread);
}
if (!UseOSErrorReporting) {
// os::abort() will call abort hooks, try it first.
static bool skip_os_abort = false;
if (!skip_os_abort) {
skip_os_abort = true;
bool dump_core = should_report_bug(first_error->_id);
os::abort(dump_core);
}
// if os::abort() doesn't abort, try os::die();
os::die();
}
}
bool VM::runProgram(gc<String> path)
{
// Remember where the program is so we can import modules from there.
programDir_ = path::dir(path::real(path));
// Traverse the import graph.
ErrorReporter reporter;
addModule(reporter, NULL, path);
if (reporter.numErrors() > 0) return false;
// Sort the modules by their imports so that dependencies are run before
// modules that depend on them.
// See: http://en.wikipedia.org/wiki/Topological_sorting
// Clone the import graph so we can destructively modify it.
// TODO(bob): This does lots of array copies since ImportGraph stores an
// array directly. Do something smarter here.
Array<ImportGraph> graph;
for (int i = 0; i < modules_.count(); i++)
{
graph.add(ImportGraph(modules_[i]));
}
Array<Module*> modules;
while (graph.count() > 0)
{
bool madeProgress = false;
for (int i = 0; i < graph.count(); i++)
{
// See if all of this module's imports are accounted for.
if (graph[i].imports.count() == 0)
{
// They are, so it's ready to process.
modules.add(graph[i].module);
// And now everything that imports it doesn't have to worry about it
// anymore.
for (int j = 0; j < graph.count(); j++)
{
for (int k = 0; k < graph[j].imports.count(); k++)
{
if (graph[j].imports[k] == graph[i].module)
{
graph[j].imports.removeAt(k);
k--;
}
}
}
graph.removeAt(i);
i--;
madeProgress = true;
}
}
// Bail if there is an import cycle.
// TODO(bob): Better error-handling.
if (!madeProgress) return false;
}
// Compile all modules before running any of them.
for (int i = 0; i < modules.count(); i++)
{
if (!modules[i]->compile(*this)) return false;
}
scheduler_.run(modules);
return true;
}