本文整理汇总了C++中Exception::reason_message方法的典型用法代码示例。如果您正苦于以下问题：C++ Exception::reason_message方法的具体用法？C++ Exception::reason_message怎么用？C++ Exception::reason_message使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Exception的用法示例。
在下文中一共展示了Exception::reason_message方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: run_file
void Environment::run_file(std::string file) {
std::ifstream stream(file.c_str());
if(!stream) {
std::string msg = std::string("Unable to open file to run: ");
msg.append(file);
throw std::runtime_error(msg);
}
CompiledFile* cf = CompiledFile::load(stream);
if(cf->magic != "!RBIX") {
std::ostringstream msg;
msg << "attempted to open a bytecode file with invalid magic identifier"
<< ": path: " << file << ", magic: " << cf->magic;
throw std::runtime_error(msg.str().c_str());
}
if((signature_ > 0 && cf->signature != signature_)
|| cf->version != version_) {
throw BadKernelFile(file);
}
cf->execute(state);
if(state->vm()->thread_state()->raise_reason() == cException) {
Exception* exc = as<Exception>(state->vm()->thread_state()->current_exception());
std::ostringstream msg;
msg << "exception detected at toplevel: ";
if(!exc->reason_message()->nil_p()) {
if(String* str = try_as<String>(exc->reason_message())) {
msg << str->c_str(state);
} else {
msg << "<non-string Exception message>";
}
} else if(Exception::argument_error_p(state, exc)) {
msg << "given "
<< as<Fixnum>(exc->get_ivar(state, state->symbol("@given")))->to_native()
<< ", expected "
<< as<Fixnum>(exc->get_ivar(state, state->symbol("@expected")))->to_native();
}
msg << " (" << exc->klass()->debug_str(state) << ")";
std::cout << msg.str() << "\n";
exc->print_locations(state);
Assertion::raise(msg.str().c_str());
}
delete cf;
}示例2: execute_script
Object* CompiledCode::execute_script(STATE) {
state->thread_state()->clear();
Arguments args(state->symbol("script"), G(main));
scope(state, ConstantScope::create(state));
scope()->module(state, G(object));
execute(state, this, G(object), args);
/* We have to assume that this can fail before the Kernel is able to
* handle that failure, so we manually process exceptional behavior here.
*
* TODO: Fix this by ensuring normal Exceptions can be raised
*/
if(state->vm()->thread_state()->raise_reason() == cException) {
Exception* exc = as<Exception>(state->vm()->thread_state()->current_exception());
std::ostringstream msg;
msg << "exception detected at toplevel: ";
if(!exc->reason_message()->nil_p()) {
if(String* str = try_as<String>(exc->reason_message())) {
msg << str->c_str(state);
} else {
msg << "<non-string Exception message>";
}
} else if(Exception::argument_error_p(state, exc)) {
msg << "given "
<< as<Fixnum>(exc->get_ivar(state, state->symbol("@given")))->to_native()
<< ", expected "
<< as<Fixnum>(exc->get_ivar(state, state->symbol("@expected")))->to_native();
}
msg << " (" << exc->klass()->debug_str(state) << ")";
std::cout << msg.str() << "\n";
exc->print_locations(state);
Assertion::raise(msg.str().c_str());
}
return cNil;
}