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therubyracer/ext/v8/v8_exception.cpp

55 lines
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1.8 KiB
C++

#include "v8_exception.h"
#include "rr.h"
#include "execinfo.h"
#include "signal.h"
using namespace v8;
namespace {
static void* stack[20];
void fatal(const char* location, const char* message) {
rb_raise(rb_eFatal, "%s: %s", location, message);
}
void segfault(int sig) {
fprintf(stderr, "segfault: game over.\n");
int size = backtrace(stack, 20);
backtrace_symbols_fd(stack, size, 2);
exit(1);
}
VALUE _ThrowException(VALUE rbmod, VALUE value) {
HandleScope scope;
Handle<Value> err = rr_rb2v8(value);
return rr_v82rb(ThrowException(err));
}
VALUE RangeError(VALUE rbclass, VALUE value) {
HandleScope scope;
return rr_v82rb(Exception::RangeError(rr_rb2v8(value)->ToString()));
}
VALUE ReferenceError(VALUE rbclass, VALUE value) {
HandleScope scope;
return rr_v82rb(Exception::ReferenceError(rr_rb2v8(value)->ToString()));
}
VALUE SyntaxError(VALUE rbclass, VALUE value) {
HandleScope scope;
return rr_v82rb(Exception::SyntaxError(rr_rb2v8(value)->ToString()));
}
VALUE Error(VALUE rbclass, VALUE value) {
HandleScope scope;
return rr_v82rb(Exception::Error(rr_rb2v8(value)->ToString()));
}
}
void rr_init_v8_exception() {
VALUE V8 = rb_define_module("V8");
VALUE V8_C = rb_define_module_under(V8, "C");
rr_define_singleton_method(V8_C, "ThrowException", _ThrowException, 1);
VALUE ExceptionClass = rr_define_class("Exception");
rr_define_singleton_method(ExceptionClass, "RangeError", RangeError, 1);
rr_define_singleton_method(ExceptionClass, "ReferenceError", ReferenceError, 1);
rr_define_singleton_method(ExceptionClass, "SyntaxError", SyntaxError, 1);
rr_define_singleton_method(ExceptionClass, "Error", Error, 1);
v8::V8::SetFatalErrorHandler(fatal);
signal(SIGSEGV, segfault);
}