src: remove unused of TickInfo::last_threw()

Environment::TickInfo::last_threw() is no longer in use.

Also pass Isolate to few methods and fix whitespace alignment.

PR-URL: https://github.com/nodejs/node/pull/4507
Reviewed-By: Fedor Indutny <fedor@indutny.com>

src/async-wrap.cc

@@ -254,7 +254,6 @@ Local<Value> AsyncWrap::MakeCallback(const Local<Function> cb,
   env()->tick_callback_function()->Call(process, 0, nullptr);
 
   if (try_catch.HasCaught()) {
-    tick_info->set_last_threw(true);
     return Undefined(env()->isolate());
   }
 

src/env-inl.h

@@ -118,7 +118,7 @@ inline uint32_t Environment::DomainFlag::count() const {
   return fields_[kCount];
 }
 
-inline Environment::TickInfo::TickInfo() : in_tick_(false), last_threw_(false) {
+inline Environment::TickInfo::TickInfo() : in_tick_(false) {
   for (int i = 0; i < kFieldsCount; ++i)
     fields_[i] = 0;
 }
@@ -139,10 +139,6 @@ inline uint32_t Environment::TickInfo::index() const {
   return fields_[kIndex];
 }
 
-inline bool Environment::TickInfo::last_threw() const {
-  return last_threw_;
-}
-
 inline uint32_t Environment::TickInfo::length() const {
   return fields_[kLength];
 }
@@ -155,10 +151,6 @@ inline void Environment::TickInfo::set_index(uint32_t value) {
   fields_[kIndex] = value;
 }
 
-inline void Environment::TickInfo::set_last_threw(bool value) {
-  last_threw_ = value;
-}
-
 inline Environment::ArrayBufferAllocatorInfo::ArrayBufferAllocatorInfo() {
   for (int i = 0; i < kFieldsCount; ++i)
     fields_[i] = 0;

src/env.cc

@@ -81,12 +81,11 @@ bool Environment::KickNextTick(Environment::AsyncCallbackScope* scope) {
   }
 
   // process nextTicks after call
-  TryCatch try_catch;
+  TryCatch try_catch(isolate());
   try_catch.SetVerbose(true);
   tick_callback_function()->Call(process_object(), 0, nullptr);
 
   if (try_catch.HasCaught()) {
-    info->set_last_threw(true);
     return false;
   }
 

src/env.h

@@ -345,12 +345,10 @@ class Environment {
     inline uint32_t* fields();
     inline int fields_count() const;
     inline bool in_tick() const;
-    inline bool last_threw() const;
     inline uint32_t index() const;
     inline uint32_t length() const;
     inline void set_in_tick(bool value);
     inline void set_index(uint32_t value);
-    inline void set_last_threw(bool value);
 
    private:
     friend class Environment;  // So we can call the constructor.
@@ -364,7 +362,6 @@ class Environment {
 
     uint32_t fields_[kFieldsCount];
     bool in_tick_;
-    bool last_threw_;
 
     DISALLOW_COPY_AND_ASSIGN(TickInfo);
   };

src/node.cc

@@ -1162,7 +1162,7 @@ Local<Value> MakeCallback(Environment* env,
     }
   }
 
-  TryCatch try_catch;
+  TryCatch try_catch(env->isolate());
   try_catch.SetVerbose(true);
 
   if (has_domain) {