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Lint node_script.cc

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This commit is contained in:
Ryan Dahl 2010-06-28 17:27:17 -07:00
parent e2db605308
commit 23172c5d85
2 changed files with 83 additions and 101 deletions
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176
src/node_script.cc
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@ -2,16 +2,15 @@
#include <node_script.h>
#include <assert.h>
#include <v8-debug.h>
using namespace v8;
using namespace node;
Persistent<FunctionTemplate> node::Context::constructor_template;
void
node::Context::Initialize (Handle<Object> target)
{
void node::Context::Initialize (Handle<Object> target) {
HandleScope scope;
Local<FunctionTemplate> t = FunctionTemplate::New(node::Context::New);
@ -22,9 +21,8 @@ node::Context::Initialize (Handle<Object> target)
target->Set(String::NewSymbol("Context"), constructor_template->GetFunction());
}
Handle<Value>
node::Context::New (const Arguments& args)
{
Handle<Value> node::Context::New (const Arguments& args) {
HandleScope scope;
node::Context *t = new node::Context();
@ -33,31 +31,32 @@ node::Context::New (const Arguments& args)
return args.This();
}
node::Context::~Context() {
_context.Dispose();
node::Context::Context() : ObjectWrap() {
context_ = v8::Context::New();
}
Local<Object>
node::Context::NewInstance()
{
node::Context::~Context() {
context_.Dispose();
}
Local<Object> node::Context::NewInstance() {
Local<Object> context = constructor_template->GetFunction()->NewInstance();
node::Context *nContext = ObjectWrap::Unwrap<node::Context>(context);
nContext->_context = v8::Context::New();
return context;
}
v8::Persistent<v8::Context>
node::Context::GetV8Context()
{
return _context;
v8::Persistent<v8::Context> node::Context::GetV8Context() {
return context_;
}
Persistent<FunctionTemplate> node::Script::constructor_template;
void
node::Script::Initialize (Handle<Object> target)
{
void node::Script::Initialize (Handle<Object> target) {
HandleScope scope;
Local<FunctionTemplate> t = FunctionTemplate::New(node::Script::New);
@ -77,9 +76,8 @@ node::Script::Initialize (Handle<Object> target)
target->Set(String::NewSymbol("Script"), constructor_template->GetFunction());
}
Handle<Value>
node::Script::New (const Arguments& args)
{
Handle<Value> node::Script::New (const Arguments& args) {
HandleScope scope;
node::Script *t = new node::Script();
@ -89,14 +87,13 @@ node::Script::New (const Arguments& args)
node::Script::EvalMachine<compileCode, thisContext, wrapExternal>(args);
}
node::Script::~Script() {
_script.Dispose();
script_.Dispose();
}
Handle<Value>
node::Script::CreateContext (const Arguments& args)
{
Handle<Value> node::Script::CreateContext (const Arguments& args) {
HandleScope scope;
Local<v8::Object> context = node::Context::NewInstance();
@ -117,92 +114,79 @@ node::Script::CreateContext (const Arguments& args)
return scope.Close(context);
}
Handle<Value>
node::Script::RunInContext (const Arguments& args)
{
Handle<Value> node::Script::RunInContext (const Arguments& args) {
return
node::Script::EvalMachine<unwrapExternal, userContext, returnResult>(args);
}
Handle<Value>
node::Script::RunInThisContext (const Arguments& args)
{
Handle<Value> node::Script::RunInThisContext (const Arguments& args) {
return
node::Script::EvalMachine<unwrapExternal, thisContext, returnResult>(args);
}
Handle<Value>
node::Script::RunInNewContext(const Arguments& args) {
Handle<Value> node::Script::RunInNewContext(const Arguments& args) {
return
node::Script::EvalMachine<unwrapExternal, newContext, returnResult>(args);
}
Handle<Value>
node::Script::CompileRunInContext (const Arguments& args)
{
Handle<Value> node::Script::CompileRunInContext (const Arguments& args) {
return
node::Script::EvalMachine<compileCode, userContext, returnResult>(args);
}
Handle<Value>
node::Script::CompileRunInThisContext (const Arguments& args)
{
Handle<Value> node::Script::CompileRunInThisContext (const Arguments& args) {
return
node::Script::EvalMachine<compileCode, thisContext, returnResult>(args);
}
Handle<Value>
node::Script::CompileRunInNewContext(const Arguments& args) {
Handle<Value> node::Script::CompileRunInNewContext(const Arguments& args) {
return
node::Script::EvalMachine<compileCode, newContext, returnResult>(args);
}
// Extracts a C str from a V8 Utf8Value.
const char* ToCString(const v8::String::Utf8Value& value) {
return *value ? *value : "<str conversion failed>";
}
template <node::Script::EvalInputFlags iFlag,
node::Script::EvalContextFlags cFlag,
node::Script::EvalOutputFlags oFlag>
Handle<Value> node::Script::EvalMachine(const Arguments& args) {
node::Script::EvalContextFlags cFlag,
node::Script::EvalOutputFlags oFlag>
Handle<Value> node::Script::EvalMachine(const Arguments& args) {
HandleScope scope;
if (iFlag == compileCode && args.Length() < 1) {
return ThrowException(Exception::TypeError(
String::New("needs at least 'code' argument.")
));
String::New("needs at least 'code' argument.")));
}
const int sbIndex = iFlag == compileCode ? 1 : 0;
if (cFlag == userContext && args.Length() < (sbIndex + 1)) {
return ThrowException(Exception::TypeError(
String::New("needs a 'context' argument.")
));
String::New("needs a 'context' argument.")));
}
Local<String> code;
if (iFlag == compileCode) { code = args[0]->ToString(); }
if (iFlag == compileCode) code = args[0]->ToString();
Local<Object> sandbox;
if (cFlag == newContext) {
sandbox = args.Length() > sbIndex ? args[sbIndex]->ToObject() : Object::New();
}
else if (cFlag == userContext) {
} else if (cFlag == userContext) {
sandbox = args[sbIndex]->ToObject();
}
const int fnIndex = sbIndex + (cFlag == newContext ? 1 : 0);
Local<String> filename = args.Length() > fnIndex ? args[fnIndex]->ToString()
: String::New("evalmachine.<anonymous>");
Local<String> filename = args.Length() > fnIndex
? args[fnIndex]->ToString()
: String::New("evalmachine.<anonymous>");
Persistent<v8::Context> context;
Local<Array> keys;
unsigned int i;
if (cFlag == newContext) {
@ -218,7 +202,6 @@ Handle<Value> node::Script::EvalMachine(const Arguments& args) {
// New and user context share code. DRY it up.
if (cFlag == userContext || cFlag == newContext) {
// Enter the context
context->Enter();
@ -240,51 +223,48 @@ Handle<Value> node::Script::EvalMachine(const Arguments& args) {
Handle<v8::Script> script;
if (iFlag == compileCode) {
// well, here node::Script::New would suffice in all cases, but maybe Compile has a little better performance where possible
script = oFlag == returnResult ? v8::Script::Compile(code, filename) : v8::Script::New(code, filename);
// well, here node::Script::New would suffice in all cases, but maybe
// Compile has a little better performance where possible
script = oFlag == returnResult ? v8::Script::Compile(code, filename)
: v8::Script::New(code, filename);
if (script.IsEmpty()) {
// Hack because I can't get a proper stacktrace on SyntaxError
result = ThrowException(try_catch.Exception());
return try_catch.ReThrow();
}
} else {
node::Script *nScript = ObjectWrap::Unwrap<node::Script>(args.Holder());
if (!nScript) {
Local<Value> exception =
Exception::Error(String::New("Must be called as a method of Script."));
result = ThrowException(exception);
} else if (nScript->_script.IsEmpty()) {
Local<Value> exception =
Exception::Error(String::New("'this' must be a result of previous new Script(code) call."));
result = ThrowException(exception);
} else {
script = nScript->_script;
return ThrowException(Exception::Error(
String::New("Must be called as a method of Script.")));
} else if (nScript->script_.IsEmpty()) {
return ThrowException(Exception::Error(
String::New("'this' must be a result of previous new Script(code) call.")));
}
script = nScript->script_;
}
if (result.IsEmpty()) {
if (oFlag == returnResult) {
result = script->Run();
} else {
node::Script *nScript = ObjectWrap::Unwrap<node::Script>(args.Holder());
if (!nScript) {
Local<Value> exception =
Exception::Error(String::New("Must be called as a method of Script."));
result = ThrowException(exception);
} else {
nScript->_script = Persistent<v8::Script>::New(script);
result = args.This();
}
}
if (result.IsEmpty()) {
return try_catch.ReThrow();
} else if (cFlag == userContext || cFlag == newContext) {
// success! copy changes back onto the sandbox object.
keys = context->Global()->GetPropertyNames();
for (i = 0; i < keys->Length(); i++) {
Handle<String> key = keys->Get(Integer::New(i))->ToString();
Handle<Value> value = context->Global()->Get(key);
sandbox->Set(key, value);
}
if (oFlag == returnResult) {
result = script->Run();
if (result.IsEmpty()) return try_catch.ReThrow();
} else {
node::Script *nScript = ObjectWrap::Unwrap<node::Script>(args.Holder());
if (!nScript) {
return ThrowException(Exception::Error(
String::New("Must be called as a method of Script.")));
}
nScript->script_ = Persistent<v8::Script>::New(script);
result = args.This();
}
if (cFlag == userContext || cFlag == newContext) {
// success! copy changes back onto the sandbox object.
keys = context->Global()->GetPropertyNames();
for (i = 0; i < keys->Length(); i++) {
Handle<String> key = keys->Get(Integer::New(i))->ToString();
Handle<Value> value = context->Global()->Get(key);
sandbox->Set(key, value);
}
}

8
src/node_script.h
View File

@ -20,12 +20,13 @@ class Context : ObjectWrap {
static v8::Persistent<v8::FunctionTemplate> constructor_template;
Context () : ObjectWrap () {}
Context ();
~Context();
v8::Persistent<v8::Context> _context;
v8::Persistent<v8::Context> context_;
};
class Script : ObjectWrap {
public:
static void Initialize (v8::Handle<v8::Object> target);
@ -52,8 +53,9 @@ class Script : ObjectWrap {
static v8::Handle<v8::Value> CompileRunInThisContext (const v8::Arguments& args);
static v8::Handle<v8::Value> CompileRunInNewContext (const v8::Arguments& args);
v8::Persistent<v8::Script> _script;
v8::Persistent<v8::Script> script_;
};
} // namespace node
#endif // node_script_h