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#include "dtrace_provider.h"
#include <nan.h>
namespace node {
using namespace v8;
// Integer Argument
#ifdef __x86_64__
# define INTMETHOD ToInteger()
#else
# define INTMETHOD ToInt32()
#endif
void * DTraceIntegerArgument::ArgumentValue(v8::Local<Value> value) {
if (value->IsUndefined())
return 0;
else
return (void *)(long) value->INTMETHOD->Value();
}
void DTraceIntegerArgument::FreeArgument(void *arg) {
}
const char * DTraceIntegerArgument::Type() {
return "int";
}
// String Argument
void * DTraceStringArgument::ArgumentValue(v8::Local<Value> value) {
if (value->IsUndefined())
return (void *) strdup("undefined");
String::Utf8Value str(value->ToString());
return (void *) strdup(*str);
}
void DTraceStringArgument::FreeArgument(void *arg) {
free(arg);
}
const char * DTraceStringArgument::Type() {
return "char *";
}
// JSON Argument
DTraceJsonArgument::DTraceJsonArgument() {
Nan::HandleScope scope;
v8::Local<Context> context = Nan::GetCurrentContext();
v8::Local<Object> global = context->Global();
v8::Local<Object> l_JSON = global->Get(Nan::New<String>("JSON").ToLocalChecked())->ToObject();
v8::Local<Function> l_JSON_stringify
= v8::Local<Function>::Cast(l_JSON->Get(Nan::New<String>("stringify").ToLocalChecked()));
JSON.Reset(l_JSON);
JSON_stringify.Reset(l_JSON_stringify);
}
DTraceJsonArgument::~DTraceJsonArgument() {
JSON.Reset();
JSON_stringify.Reset();
}
void * DTraceJsonArgument::ArgumentValue(v8::Local<Value> value) {
Nan::HandleScope scope;
if (value->IsUndefined())
return (void *) strdup("undefined");
v8::Local<Value> info[1];
info[0] = value;
v8::Local<Value> j = Nan::New<Function>(JSON_stringify)->Call(
Nan::New<Object>(JSON), 1, info);
if (*j == NULL)
return (void *) strdup("{ \"error\": \"stringify failed\" }");
String::Utf8Value json(j->ToString());
return (void *) strdup(*json);
}
void DTraceJsonArgument::FreeArgument(void *arg) {
free(arg);
}
const char * DTraceJsonArgument::Type() {
return "char *";
}
} // namespace node
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