Remove unused nativeTrace*stage methods

Reviewed By: alexeylang

Differential Revision: D5433403

fbshipit-source-id: f83b576e12a59f0a066960fcb3d1446da011cf39

ReactCommon/cxxreact/JSCTracing.cpp

@@ -224,47 +224,6 @@ static JSValueRef beginOrEndAsync(
   return Value::makeUndefined(ctx);
 }
 
-static JSValueRef stageAsync(
-    bool isFlow,
-    JSContextRef ctx,
-    JSObjectRef function,
-    JSObjectRef thisObject,
-    size_t argumentCount,
-    const JSValueRef arguments[],
-    JSValueRef* exception) {
-  if (FBSYSTRACE_UNLIKELY(argumentCount < 4)) {
-    if (exception) {
-      *exception = Value::makeError(
-        ctx,
-        "stageAsync: requires at least 4 arguments");
-    }
-    return Value::makeUndefined(ctx);
-  }
-
-  uint64_t tag = int64FromJSValue(ctx, arguments[0], exception);
-  if (!fbsystrace_is_tracing(tag)) {
-    return Value::makeUndefined(ctx);
-  }
-
-  char buf[FBSYSTRACE_MAX_MESSAGE_LENGTH];
-  size_t pos = 0;
-
-  buf[pos++] = (isFlow ? 't' : 'T');
-  pos += snprintf(buf + pos, sizeof(buf) - pos, "|%d", getpid());
-  // Skip the overflow check here because the int will be small.
-
-  // Arguments are section name, cookie, and stage name.
-  // All added together, they still cannot cause an overflow.
-  for (int i = 1; i < 4; i++) {
-    buf[pos++] = '|';
-    pos += copyTruncatedAsciiChars(buf + pos, sizeof(buf) - pos, ctx, arguments[i], FBSYSTRACE_MAX_SECTION_NAME_LENGTH);
-  }
-
-  fbsystrace_trace_raw(buf, min(pos, sizeof(buf)-1));
-
-  return Value::makeUndefined(ctx);
-}
-
 static JSValueRef nativeTraceBeginAsyncSection(
     JSContextRef ctx,
     JSObjectRef function,
@@ -287,23 +246,6 @@ static JSValueRef nativeTraceEndAsyncSection(
       ctx, argumentCount, arguments, exception);
 }
 
-static JSValueRef nativeTraceAsyncSectionStage(
-    JSContextRef ctx,
-    JSObjectRef function,
-    JSObjectRef thisObject,
-    size_t argumentCount,
-    const JSValueRef arguments[],
-    JSValueRef* exception) {
-  return stageAsync(
-      false /* isFlow */,
-      ctx,
-      function,
-      thisObject,
-      argumentCount,
-      arguments,
-      exception);
-}
-
 static JSValueRef nativeTraceBeginAsyncFlow(
     JSContextRef ctx,
     JSObjectRef function,
@@ -326,23 +268,6 @@ static JSValueRef nativeTraceEndAsyncFlow(
       ctx, argumentCount, arguments, exception);
 }
 
-static JSValueRef nativeTraceAsyncFlowStage(
-    JSContextRef ctx,
-    JSObjectRef function,
-    JSObjectRef thisObject,
-    size_t argumentCount,
-    const JSValueRef arguments[],
-    JSValueRef* exception) {
-  return stageAsync(
-      true /* isFlow */,
-      ctx,
-      function,
-      thisObject,
-      argumentCount,
-      arguments,
-      exception);
-}
-
 static JSValueRef nativeTraceCounter(
     JSContextRef ctx,
     JSObjectRef function,
@@ -386,10 +311,8 @@ void addNativeTracingHooks(JSGlobalContextRef ctx) {
   installGlobalFunction(ctx, "nativeTraceEndSection", nativeTraceEndSection);
   installGlobalFunction(ctx, "nativeTraceBeginAsyncSection", nativeTraceBeginAsyncSection);
   installGlobalFunction(ctx, "nativeTraceEndAsyncSection", nativeTraceEndAsyncSection);
-  installGlobalFunction(ctx, "nativeTraceAsyncSectionStage", nativeTraceAsyncSectionStage);
   installGlobalFunction(ctx, "nativeTraceBeginAsyncFlow", nativeTraceBeginAsyncFlow);
   installGlobalFunction(ctx, "nativeTraceEndAsyncFlow", nativeTraceEndAsyncFlow);
-  installGlobalFunction(ctx, "nativeTraceAsyncFlowStage", nativeTraceAsyncFlowStage);
   installGlobalFunction(ctx, "nativeTraceCounter", nativeTraceCounter);
 #endif
 }