Move regexp implementation into its own folder.

src/regexp/jsregexp.cc

Index: src/regexp/jsregexp.cc
diff --git a/src/jsregexp.cc b/src/regexp/jsregexp.cc
similarity index 99%
rename from src/jsregexp.cc
rename to src/regexp/jsregexp.cc
index fc95c5e0b80f8de83f5f1805ce50cb42de0dd19b..3285f157758187b048bfabe6141c6d6ddc260693 100644
--- a/src/jsregexp.cc
+++ b/src/regexp/jsregexp.cc
@@ -4,21 +4,23 @@
 
 #include "src/v8.h"
 
+#include "src/regexp/jsregexp.h"
+
 #include "src/ast.h"
 #include "src/base/platform/platform.h"
 #include "src/compilation-cache.h"
 #include "src/compiler.h"
 #include "src/execution.h"
 #include "src/factory.h"
-#include "src/jsregexp-inl.h"
-#include "src/jsregexp.h"
 #include "src/messages.h"
 #include "src/ostreams.h"
 #include "src/parser.h"
-#include "src/regexp-macro-assembler.h"
-#include "src/regexp-macro-assembler-irregexp.h"
-#include "src/regexp-macro-assembler-tracer.h"
-#include "src/regexp-stack.h"
+#include "src/regexp/interpreter-irregexp.h"
+#include "src/regexp/jsregexp-inl.h"
+#include "src/regexp/regexp-macro-assembler.h"
+#include "src/regexp/regexp-macro-assembler-irregexp.h"
+#include "src/regexp/regexp-macro-assembler-tracer.h"
+#include "src/regexp/regexp-stack.h"
 #include "src/runtime/runtime.h"
 #include "src/splay-tree-inl.h"
 #include "src/string-search.h"
@@ -26,28 +28,26 @@
 
 #ifndef V8_INTERPRETED_REGEXP
 #if V8_TARGET_ARCH_IA32
-#include "src/ia32/regexp-macro-assembler-ia32.h"  // NOLINT
+#include "src/regexp/ia32/regexp-macro-assembler-ia32.h"
 #elif V8_TARGET_ARCH_X64
-#include "src/x64/regexp-macro-assembler-x64.h"  // NOLINT
+#include "src/regexp/x64/regexp-macro-assembler-x64.h"
 #elif V8_TARGET_ARCH_ARM64
-#include "src/arm64/regexp-macro-assembler-arm64.h"  // NOLINT
+#include "src/regexp/arm64/regexp-macro-assembler-arm64.h"
 #elif V8_TARGET_ARCH_ARM
-#include "src/arm/regexp-macro-assembler-arm.h"  // NOLINT
+#include "src/regexp/arm/regexp-macro-assembler-arm.h"
 #elif V8_TARGET_ARCH_PPC
-#include "src/ppc/regexp-macro-assembler-ppc.h"  // NOLINT
+#include "src/regexp/ppc/regexp-macro-assembler-ppc.h"
 #elif V8_TARGET_ARCH_MIPS
-#include "src/mips/regexp-macro-assembler-mips.h"  // NOLINT
+#include "src/regexp/mips/regexp-macro-assembler-mips.h"
 #elif V8_TARGET_ARCH_MIPS64
-#include "src/mips64/regexp-macro-assembler-mips64.h"  // NOLINT
+#include "src/regexp/mips64/regexp-macro-assembler-mips64.h"
 #elif V8_TARGET_ARCH_X87
-#include "src/x87/regexp-macro-assembler-x87.h"  // NOLINT
+#include "src/regexp/x87/regexp-macro-assembler-x87.h"
 #else
 #error Unsupported target architecture.
 #endif
 #endif
 
-#include "src/interpreter-irregexp.h"
-
 
 namespace v8 {
 namespace internal {