VM: Re-format to use at most one newline between functions

runtime/lib/integers.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bootstrap_natives.h"
 
 #include "include/dart_api.h"
+#include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
-#include "vm/dart_api_impl.h"
 #include "vm/exceptions.h"
 #include "vm/isolate.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool,
@@ skipping 11 matching lines @@
     const Bigint& bigint = Bigint::Cast(i);
     return !bigint.FitsIntoSmi() && !bigint.FitsIntoInt64();
   }
   if (i.IsMint()) {
     const Mint& mint = Mint::Cast(i);
     return !Smi::IsValid(mint.value());
   }
   return true;
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_bitAndFromInteger, 2) {
   const Integer& right = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right));
   ASSERT(CheckInteger(left));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_bitAndFromInteger %s & %s\n", right.ToCString(),
               left.ToCString());
   }
   const Integer& result = Integer::Handle(left.BitOp(Token::kBIT_AND, right));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_bitOrFromInteger, 2) {
   const Integer& right = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right));
   ASSERT(CheckInteger(left));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_bitOrFromInteger %s | %s\n", left.ToCString(),
               right.ToCString());
   }
   const Integer& result = Integer::Handle(left.BitOp(Token::kBIT_OR, right));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_bitXorFromInteger, 2) {
   const Integer& right = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right));
   ASSERT(CheckInteger(left));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_bitXorFromInteger %s ^ %s\n", left.ToCString(),
               right.ToCString());
   }
   const Integer& result = Integer::Handle(left.BitOp(Token::kBIT_XOR, right));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_addFromInteger, 2) {
   const Integer& right_int = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left_int, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right_int));
   ASSERT(CheckInteger(left_int));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_addFromInteger %s + %s\n", left_int.ToCString(),
               right_int.ToCString());
   }
   const Integer& result =
       Integer::Handle(left_int.ArithmeticOp(Token::kADD, right_int));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_subFromInteger, 2) {
   const Integer& right_int = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left_int, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right_int));
   ASSERT(CheckInteger(left_int));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_subFromInteger %s - %s\n", left_int.ToCString(),
               right_int.ToCString());
   }
   const Integer& result =
       Integer::Handle(left_int.ArithmeticOp(Token::kSUB, right_int));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_mulFromInteger, 2) {
   const Integer& right_int = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left_int, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right_int));
   ASSERT(CheckInteger(left_int));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_mulFromInteger %s * %s\n", left_int.ToCString(),
               right_int.ToCString());
   }
   const Integer& result =
       Integer::Handle(left_int.ArithmeticOp(Token::kMUL, right_int));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_truncDivFromInteger, 2) {
   const Integer& right_int = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left_int, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right_int));
   ASSERT(CheckInteger(left_int));
   ASSERT(!right_int.IsZero());
   const Integer& result =
       Integer::Handle(left_int.ArithmeticOp(Token::kTRUNCDIV, right_int));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_moduloFromInteger, 2) {
   const Integer& right_int = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left_int, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right_int));
   ASSERT(CheckInteger(left_int));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_moduloFromInteger %s mod %s\n", left_int.ToCString(),
               right_int.ToCString());
   }
   if (right_int.IsZero()) {
     // Should have been caught before calling into runtime.
     UNIMPLEMENTED();
   }
   const Integer& result =
       Integer::Handle(left_int.ArithmeticOp(Token::kMOD, right_int));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_greaterThanFromInteger, 2) {
   const Integer& right = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right));
   ASSERT(CheckInteger(left));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_greaterThanFromInteger %s > %s\n", left.ToCString(),
               right.ToCString());
   }
   return Bool::Get(left.CompareWith(right) == 1).raw();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_equalToInteger, 2) {
   const Integer& left = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, right, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(left));
   ASSERT(CheckInteger(right));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Integer_equalToInteger %s == %s\n", left.ToCString(),
               right.ToCString());
   }
   return Bool::Get(left.CompareWith(right) == 0).raw();
 }
 
-
 static RawInteger* ParseInteger(const String& value) {
   // Used by both Integer_parse and Integer_fromEnvironment.
   if (value.IsOneByteString()) {
     // Quick conversion for unpadded integers in strings.
     const intptr_t len = value.Length();
     if (len > 0) {
       const char* cstr = value.ToCString();
       ASSERT(cstr != NULL);
       char* p_end = NULL;
       const int64_t int_value = strtoll(cstr, &p_end, 10);
@@ skipping 12 matching lines @@
       return Integer::New(*int_string);
     }
     String& temp = String::Handle();
     temp = String::Concat(Symbols::Dash(), *int_string);
     return Integer::New(temp);
   }
 
   return Integer::null();
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_parse, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(String, value, arguments->NativeArgAt(0));
   return ParseInteger(value);
 }
 
-
 DEFINE_NATIVE_ENTRY(Integer_fromEnvironment, 3) {
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(1));
   GET_NATIVE_ARGUMENT(Integer, default_value, arguments->NativeArgAt(2));
   // Call the embedder to supply us with the environment.
   const String& env_value =
       String::Handle(Api::GetEnvironmentValue(thread, name));
   if (!env_value.IsNull()) {
     const Integer& result = Integer::Handle(ParseInteger(env_value));
     if (!result.IsNull()) {
       if (result.IsSmi()) {
         return result.raw();
       }
       return result.CheckAndCanonicalize(thread, NULL);
     }
   }
   return default_value.raw();
 }
 
-
 static RawInteger* ShiftOperationHelper(Token::Kind kind,
                                         const Integer& value,
                                         const Smi& amount) {
   if (amount.Value() < 0) {
     Exceptions::ThrowArgumentError(amount);
   }
   if (value.IsSmi()) {
     const Smi& smi_value = Smi::Cast(value);
     return smi_value.ShiftOp(kind, amount, Heap::kNew);
   }
@@ skipping 21 matching lines @@
       default:
         UNIMPLEMENTED();
     }
   } else {
     ASSERT(value.IsBigint());
   }
   ASSERT(!FLAG_limit_ints_to_64_bits);
   return Integer::null();
 }
 
-
 DEFINE_NATIVE_ENTRY(Smi_bitAndFromSmi, 2) {
   const Smi& left = Smi::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Smi, right, arguments->NativeArgAt(1));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Smi_bitAndFromSmi %s & %s\n", left.ToCString(),
               right.ToCString());
   }
   const Smi& left_value = Smi::Cast(left);
   const Smi& right_value = Smi::Cast(right);
   return Smi::New(left_value.Value() & right_value.Value());
 }
 
-
 DEFINE_NATIVE_ENTRY(Smi_shrFromInt, 2) {
   const Smi& amount = Smi::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, value, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(amount));
   ASSERT(CheckInteger(value));
   const Integer& result =
       Integer::Handle(ShiftOperationHelper(Token::kSHR, value, amount));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Smi_shlFromInt, 2) {
   const Smi& amount = Smi::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, value, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(amount));
   ASSERT(CheckInteger(value));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Smi_shlFromInt: %s << %s\n", value.ToCString(),
               amount.ToCString());
   }
   const Integer& result =
       Integer::Handle(ShiftOperationHelper(Token::kSHL, value, amount));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
 
-
 DEFINE_NATIVE_ENTRY(Smi_bitNegate, 1) {
   const Smi& operand = Smi::CheckedHandle(arguments->NativeArgAt(0));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Smi_bitNegate: %s\n", operand.ToCString());
   }
   intptr_t result = ~operand.Value();
   ASSERT(Smi::IsValid(result));
   return Smi::New(result);
 }
 
-
 DEFINE_NATIVE_ENTRY(Smi_bitLength, 1) {
   const Smi& operand = Smi::CheckedHandle(arguments->NativeArgAt(0));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Smi_bitLength: %s\n", operand.ToCString());
   }
   int64_t value = operand.AsInt64Value();
   intptr_t result = Utils::BitLength(value);
   ASSERT(Smi::IsValid(result));
   return Smi::New(result);
 }
 
-
 // Mint natives.
 
 DEFINE_NATIVE_ENTRY(Mint_bitNegate, 1) {
   const Mint& operand = Mint::CheckedHandle(arguments->NativeArgAt(0));
   ASSERT(CheckInteger(operand));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Mint_bitNegate: %s\n", operand.ToCString());
   }
   int64_t result = ~operand.value();
   return Integer::New(result);
 }
 
-
 DEFINE_NATIVE_ENTRY(Mint_bitLength, 1) {
   const Mint& operand = Mint::CheckedHandle(arguments->NativeArgAt(0));
   ASSERT(CheckInteger(operand));
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Mint_bitLength: %s\n", operand.ToCString());
   }
   int64_t value = operand.AsInt64Value();
   intptr_t result = Utils::BitLength(value);
   ASSERT(Smi::IsValid(result));
   return Smi::New(result);
 }
 
-
 DEFINE_NATIVE_ENTRY(Mint_shlFromInt, 2) {
   // Use the preallocated out of memory exception to avoid calling
   // into dart code or allocating any code.
   const Instance& exception =
       Instance::Handle(isolate->object_store()->out_of_memory());
   Exceptions::Throw(thread, exception);
   UNREACHABLE();
   return 0;
 }
 
-
 // Bigint natives.
 
 DEFINE_NATIVE_ENTRY(Bigint_getNeg, 1) {
   const Bigint& bigint = Bigint::CheckedHandle(arguments->NativeArgAt(0));
   return bigint.neg();
 }
 
-
 DEFINE_NATIVE_ENTRY(Bigint_getUsed, 1) {
   const Bigint& bigint = Bigint::CheckedHandle(arguments->NativeArgAt(0));
   return bigint.used();
 }
 
-
 DEFINE_NATIVE_ENTRY(Bigint_getDigits, 1) {
   const Bigint& bigint = Bigint::CheckedHandle(arguments->NativeArgAt(0));
   return bigint.digits();
 }
 
-
 DEFINE_NATIVE_ENTRY(Bigint_allocate, 4) {
   // TODO(alexmarkov): Revise this assertion if this native method can be used
   // to explicitly allocate Bigint objects in --limit-ints-to-64-bits mode.
   ASSERT(!FLAG_limit_ints_to_64_bits);
   // First arg is null type arguments, since class Bigint is not parameterized.
   const Bool& neg = Bool::CheckedHandle(arguments->NativeArgAt(1));
   const Smi& used = Smi::CheckedHandle(arguments->NativeArgAt(2));
   const TypedData& digits = TypedData::CheckedHandle(arguments->NativeArgAt(3));
   ASSERT(!digits.IsNull());
   return Bigint::New(neg.value(), used.Value(), digits);
 }
 
 }  // namespace dart