Add checks to runtime functions.

src/arm/full-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3116 matching lines @@
 
 
 void FullCodeGenerator::EmitDateField(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 2);
   ASSERT_NE(NULL, args->at(1)->AsLiteral());
   Smi* index = Smi::cast(*(args->at(1)->AsLiteral()->handle()));
 
   VisitForAccumulatorValue(args->at(0));  // Load the object.
 
-  Label runtime, done;
+  Label runtime, done, not_date_object;
   Register object = r0;
   Register result = r0;
   Register scratch0 = r9;
   Register scratch1 = r1;
 
-#ifdef DEBUG
-  __ AbortIfSmi(object);
+  __ JumpIfSmi(object, &not_date_object);
   __ CompareObjectType(object, scratch1, scratch1, JS_DATE_TYPE);
-  __ Assert(eq, "Trying to get date field from non-date.");
-#endif
+  __ b(ne, &not_date_object);
 
   if (index->value() == 0) {
     __ ldr(result, FieldMemOperand(object, JSDate::kValueOffset));
+    __ jmp(&done);
   } else {
     if (index->value() < JSDate::kFirstUncachedField) {
       ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
       __ mov(scratch1, Operand(stamp));
       __ ldr(scratch1, MemOperand(scratch1));
       __ ldr(scratch0, FieldMemOperand(object, JSDate::kCacheStampOffset));
       __ cmp(scratch1, scratch0);
       __ b(ne, &runtime);
       __ ldr(result, FieldMemOperand(object, JSDate::kValueOffset +
                                              kPointerSize * index->value()));
       __ jmp(&done);
     }
     __ bind(&runtime);
     __ PrepareCallCFunction(2, scratch1);
     __ mov(r1, Operand(index));
     __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
-    __ bind(&done);
+    __ jmp(&done);
   }
+
+  __ bind(&not_date_object);
+  __ CallRuntime(Runtime::kThrowNotDateError, 0);
+  __ bind(&done);
   context()->Plug(r0);
 }
 
 
 void FullCodeGenerator::EmitMathPow(CallRuntime* expr) {
   // Load the arguments on the stack and call the runtime function.
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 2);
   VisitForStackValue(args->at(0));
   VisitForStackValue(args->at(1));
@@ skipping 394 matching lines @@
 
   context()->Plug(if_true, if_false);
 }
 
 
 void FullCodeGenerator::EmitGetCachedArrayIndex(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 1);
   VisitForAccumulatorValue(args->at(0));
 
-  if (generate_debug_code_) {
-    __ AbortIfNotString(r0);
-  }
+  __ AbortIfNotString(r0);
+
 
   __ ldr(r0, FieldMemOperand(r0, String::kHashFieldOffset));
   __ IndexFromHash(r0, r0);
 
   context()->Plug(r0);
 }
 
 
 void FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) {
   Label bailout, done, one_char_separator, long_separator,
@@ skipping 980 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM