Use Copy-on-write arrays for cached regexp results.

src/full-codegen.cc

Index: src/full-codegen.cc
diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index e97ed76072042647def2fbb181764bca30d4ac9f..cd5db80a98e3e0122a3dcc67af4c8dcb79c831ee 100644
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -851,80 +851,17 @@ void FullCodeGenerator::SetSourcePosition(int pos) {
 
 void FullCodeGenerator::EmitInlineRuntimeCall(CallRuntime* expr) {
   Handle<String> name = expr->name();
-  if (strcmp("_IsSmi", *name->ToCString()) == 0) {
-    EmitIsSmi(expr->arguments());
-  } else if (strcmp("_IsNonNegativeSmi", *name->ToCString()) == 0) {
-    EmitIsNonNegativeSmi(expr->arguments());
-  } else if (strcmp("_IsObject", *name->ToCString()) == 0) {
-    EmitIsObject(expr->arguments());
-  } else if (strcmp("_IsSpecObject", *name->ToCString()) == 0) {
-    EmitIsSpecObject(expr->arguments());
-  } else if (strcmp("_IsUndetectableObject", *name->ToCString()) == 0) {
-    EmitIsUndetectableObject(expr->arguments());
-  } else if (strcmp("_IsFunction", *name->ToCString()) == 0) {
-    EmitIsFunction(expr->arguments());
-  } else if (strcmp("_IsArray", *name->ToCString()) == 0) {
-    EmitIsArray(expr->arguments());
-  } else if (strcmp("_IsRegExp", *name->ToCString()) == 0) {
-    EmitIsRegExp(expr->arguments());
-  } else if (strcmp("_IsConstructCall", *name->ToCString()) == 0) {
-    EmitIsConstructCall(expr->arguments());
-  } else if (strcmp("_ObjectEquals", *name->ToCString()) == 0) {
-    EmitObjectEquals(expr->arguments());
-  } else if (strcmp("_Arguments", *name->ToCString()) == 0) {
-    EmitArguments(expr->arguments());
-  } else if (strcmp("_ArgumentsLength", *name->ToCString()) == 0) {
-    EmitArgumentsLength(expr->arguments());
-  } else if (strcmp("_ClassOf", *name->ToCString()) == 0) {
-    EmitClassOf(expr->arguments());
-  } else if (strcmp("_Log", *name->ToCString()) == 0) {
-    EmitLog(expr->arguments());
-  } else if (strcmp("_RandomHeapNumber", *name->ToCString()) == 0) {
-    EmitRandomHeapNumber(expr->arguments());
-  } else if (strcmp("_SubString", *name->ToCString()) == 0) {
-    EmitSubString(expr->arguments());
-  } else if (strcmp("_RegExpExec", *name->ToCString()) == 0) {
-    EmitRegExpExec(expr->arguments());
-  } else if (strcmp("_ValueOf", *name->ToCString()) == 0) {
-    EmitValueOf(expr->arguments());
-  } else if (strcmp("_SetValueOf", *name->ToCString()) == 0) {
-    EmitSetValueOf(expr->arguments());
-  } else if (strcmp("_NumberToString", *name->ToCString()) == 0) {
-    EmitNumberToString(expr->arguments());
-  } else if (strcmp("_StringCharFromCode", *name->ToCString()) == 0) {
-    EmitStringCharFromCode(expr->arguments());
-  } else if (strcmp("_StringCharCodeAt", *name->ToCString()) == 0) {
-    EmitStringCharCodeAt(expr->arguments());
-  } else if (strcmp("_StringCharAt", *name->ToCString()) == 0) {
-    EmitStringCharAt(expr->arguments());
-  } else if (strcmp("_StringAdd", *name->ToCString()) == 0) {
-    EmitStringAdd(expr->arguments());
-  } else if (strcmp("_StringCompare", *name->ToCString()) == 0) {
-    EmitStringCompare(expr->arguments());
-  } else if (strcmp("_MathPow", *name->ToCString()) == 0) {
-    EmitMathPow(expr->arguments());
-  } else if (strcmp("_MathSin", *name->ToCString()) == 0) {
-    EmitMathSin(expr->arguments());
-  } else if (strcmp("_MathCos", *name->ToCString()) == 0) {
-    EmitMathCos(expr->arguments());
-  } else if (strcmp("_MathSqrt", *name->ToCString()) == 0) {
-    EmitMathSqrt(expr->arguments());
-  } else if (strcmp("_CallFunction", *name->ToCString()) == 0) {
-    EmitCallFunction(expr->arguments());
-  } else if (strcmp("_RegExpConstructResult", *name->ToCString()) == 0) {
-    EmitRegExpConstructResult(expr->arguments());
-  } else if (strcmp("_SwapElements", *name->ToCString()) == 0) {
-    EmitSwapElements(expr->arguments());
-  } else if (strcmp("_GetFromCache", *name->ToCString()) == 0) {
-    EmitGetFromCache(expr->arguments());
-  } else if (strcmp("_IsRegExpEquivalent", *name->ToCString()) == 0) {
-    EmitIsRegExpEquivalent(expr->arguments());
-  } else if (strcmp("_IsStringWrapperSafeForDefaultValueOf",
-                    *name->ToCString()) == 0) {
-    EmitIsStringWrapperSafeForDefaultValueOf(expr->arguments());
-  } else {
-    UNREACHABLE();
+  SmartPointer<char> cstring = name->ToCString();
+
+#define CHECK_EMIT_INLINE_CALL(name, x, y) \
+  if (strcmp("_"#name, *cstring) == 0) {   \
+    Emit##name(expr->arguments());         \
+    return;                                \
   }
+
+  INLINE_RUNTIME_FUNCTION_LIST(CHECK_EMIT_INLINE_CALL)
+  UNREACHABLE();
+#undef CHECK_EMIT_INLINE_CALL
 }