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src: refactor reading of options in contextify
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Refactor various functions that read values from the contextify options object.
Rather than passing args and the index, pass the value at that index.

We use env->isolate() rather than args.GetIsolate(), but since env
was constructed from args, this is the same isolate.
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@fhinkel
fhinkel committed Sep 30, 2016
1 parent 33dd4ec commit 242e4a2
Showing 1 changed file with 57 additions and 73 deletions.
130 changes: 57 additions & 73 deletions src/node_contextify.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -492,12 +492,14 @@ class ContextifyScript : public BaseObject {

TryCatch try_catch(env->isolate());
Local<String> code = args[0]->ToString(env->isolate());
Local<String> filename = GetFilenameArg(env, args, 1);
Local<Integer> lineOffset = GetLineOffsetArg(args, 1);
Local<Integer> columnOffset = GetColumnOffsetArg(args, 1);
bool display_errors = GetDisplayErrorsArg(env, args, 1);
MaybeLocal<Uint8Array> cached_data_buf = GetCachedData(env, args, 1);
bool produce_cached_data = GetProduceCachedData(env, args, 1);

Local<Value> options = args[1];
Local<String> filename = GetFilenameArg(env, options);
Local<Integer> lineOffset = GetLineOffsetArg(env, options);
Local<Integer> columnOffset = GetColumnOffsetArg(env, options);
bool display_errors = GetDisplayErrorsArg(env, options);
MaybeLocal<Uint8Array> cached_data_buf = GetCachedData(env, options);
bool produce_cached_data = GetProduceCachedData(env, options);
if (try_catch.HasCaught()) {
try_catch.ReThrow();
return;
Expand Down Expand Up @@ -570,9 +572,9 @@ class ContextifyScript : public BaseObject {

// Assemble arguments
TryCatch try_catch(args.GetIsolate());
uint64_t timeout = GetTimeoutArg(env, args, 0);
bool display_errors = GetDisplayErrorsArg(env, args, 0);
bool break_on_sigint = GetBreakOnSigintArg(env, args, 0);
uint64_t timeout = GetTimeoutArg(env, args[0]);
bool display_errors = GetDisplayErrorsArg(env, args[0]);
bool break_on_sigint = GetBreakOnSigintArg(env, args[0]);
if (try_catch.HasCaught()) {
try_catch.ReThrow();
return;
Expand Down Expand Up @@ -600,9 +602,9 @@ class ContextifyScript : public BaseObject {
Local<Object> sandbox = args[0].As<Object>();
{
TryCatch try_catch(env->isolate());
timeout = GetTimeoutArg(env, args, 1);
display_errors = GetDisplayErrorsArg(env, args, 1);
break_on_sigint = GetBreakOnSigintArg(env, args, 1);
timeout = GetTimeoutArg(env, args[1]);
display_errors = GetDisplayErrorsArg(env, args[1]);
break_on_sigint = GetBreakOnSigintArg(env, args[1]);
if (try_catch.HasCaught()) {
try_catch.ReThrow();
return;
Expand Down Expand Up @@ -676,36 +678,31 @@ class ContextifyScript : public BaseObject {
True(env->isolate()));
}

static bool GetBreakOnSigintArg(Environment* env,
const FunctionCallbackInfo<Value>& args,
const int i) {
if (args[i]->IsUndefined() || args[i]->IsString()) {
static bool GetBreakOnSigintArg(Environment* env, Local<Value> options) {
if (options->IsUndefined() || options->IsString()) {
return false;
}
if (!args[i]->IsObject()) {
if (!options->IsObject()) {
env->ThrowTypeError("options must be an object");
return false;
}

Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(),
"breakOnSigint");
Local<Value> value = args[i].As<Object>()->Get(key);
Local<String> key = FIXED_ONE_BYTE_STRING(env->isolate(), "breakOnSigint");
Local<Value> value = options.As<Object>()->Get(key);
return value->IsTrue();
}

static int64_t GetTimeoutArg(Environment* env,
const FunctionCallbackInfo<Value>& args,
const int i) {
if (args[i]->IsUndefined() || args[i]->IsString()) {
static int64_t GetTimeoutArg(Environment* env, Local<Value> options) {
if (options->IsUndefined() || options->IsString()) {
return -1;
}
if (!args[i]->IsObject()) {
if (!options->IsObject()) {
env->ThrowTypeError("options must be an object");
return -1;
}

Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(), "timeout");
Local<Value> value = args[i].As<Object>()->Get(key);
Local<String> key = FIXED_ONE_BYTE_STRING(env->isolate(), "timeout");
Local<Value> value = options.As<Object>()->Get(key);
if (value->IsUndefined()) {
return -1;
}
Expand All @@ -719,59 +716,52 @@ class ContextifyScript : public BaseObject {
}


static bool GetDisplayErrorsArg(Environment* env,
const FunctionCallbackInfo<Value>& args,
const int i) {
if (args[i]->IsUndefined() || args[i]->IsString()) {
static bool GetDisplayErrorsArg(Environment* env, Local<Value> options) {
if (options->IsUndefined() || options->IsString()) {
return true;
}
if (!args[i]->IsObject()) {
if (!options->IsObject()) {
env->ThrowTypeError("options must be an object");
return false;
}

Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(),
"displayErrors");
Local<Value> value = args[i].As<Object>()->Get(key);
Local<String> key = FIXED_ONE_BYTE_STRING(env->isolate(), "displayErrors");
Local<Value> value = options.As<Object>()->Get(key);

return value->IsUndefined() ? true : value->BooleanValue();
}


static Local<String> GetFilenameArg(Environment* env,
const FunctionCallbackInfo<Value>& args,
const int i) {
static Local<String> GetFilenameArg(Environment* env, Local<Value> options) {
Local<String> defaultFilename =
FIXED_ONE_BYTE_STRING(args.GetIsolate(), "evalmachine.<anonymous>");
FIXED_ONE_BYTE_STRING(env->isolate(), "evalmachine.<anonymous>");

if (args[i]->IsUndefined()) {
if (options->IsUndefined()) {
return defaultFilename;
}
if (args[i]->IsString()) {
return args[i].As<String>();
if (options->IsString()) {
return options.As<String>();
}
if (!args[i]->IsObject()) {
if (!options->IsObject()) {
env->ThrowTypeError("options must be an object");
return Local<String>();
}

Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(), "filename");
Local<Value> value = args[i].As<Object>()->Get(key);
Local<String> key = FIXED_ONE_BYTE_STRING(env->isolate(), "filename");
Local<Value> value = options.As<Object>()->Get(key);

if (value->IsUndefined())
return defaultFilename;
return value->ToString(args.GetIsolate());
return value->ToString(env->isolate());
}


static MaybeLocal<Uint8Array> GetCachedData(
Environment* env,
const FunctionCallbackInfo<Value>& args,
const int i) {
if (!args[i]->IsObject()) {
static MaybeLocal<Uint8Array> GetCachedData(Environment* env,
Local<Value> options) {
if (!options->IsObject()) {
return MaybeLocal<Uint8Array>();
}
Local<Value> value = args[i].As<Object>()->Get(env->cached_data_string());
Local<Value> value = options.As<Object>()->Get(env->cached_data_string());
if (value->IsUndefined()) {
return MaybeLocal<Uint8Array>();
}
Expand All @@ -785,48 +775,42 @@ class ContextifyScript : public BaseObject {
}


static bool GetProduceCachedData(
Environment* env,
const FunctionCallbackInfo<Value>& args,
const int i) {
if (!args[i]->IsObject()) {
static bool GetProduceCachedData(Environment* env, Local<Value> options) {
if (!options->IsObject()) {
return false;
}
Local<Value> value =
args[i].As<Object>()->Get(env->produce_cached_data_string());
options.As<Object>()->Get(env->produce_cached_data_string());

return value->IsTrue();
}


static Local<Integer> GetLineOffsetArg(
const FunctionCallbackInfo<Value>& args,
const int i) {
Local<Integer> defaultLineOffset = Integer::New(args.GetIsolate(), 0);
static Local<Integer> GetLineOffsetArg(Environment* env,
Local<Value> options) {
Local<Integer> defaultLineOffset = Integer::New(env->isolate(), 0);

if (!args[i]->IsObject()) {
if (!options->IsObject()) {
return defaultLineOffset;
}

Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(), "lineOffset");
Local<Value> value = args[i].As<Object>()->Get(key);
Local<String> key = FIXED_ONE_BYTE_STRING(env->isolate(), "lineOffset");
Local<Value> value = options.As<Object>()->Get(key);

return value->IsUndefined() ? defaultLineOffset : value->ToInteger();
}


static Local<Integer> GetColumnOffsetArg(
const FunctionCallbackInfo<Value>& args,
const int i) {
Local<Integer> defaultColumnOffset = Integer::New(args.GetIsolate(), 0);
static Local<Integer> GetColumnOffsetArg(Environment* env,
Local<Value> options) {
Local<Integer> defaultColumnOffset = Integer::New(env->isolate(), 0);

if (!args[i]->IsObject()) {
if (!options->IsObject()) {
return defaultColumnOffset;
}

Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(),
"columnOffset");
Local<Value> value = args[i].As<Object>()->Get(key);
Local<String> key = FIXED_ONE_BYTE_STRING(env->isolate(), "columnOffset");
Local<Value> value = options.As<Object>()->Get(key);

return value->IsUndefined() ? defaultColumnOffset : value->ToInteger();
}
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