Author: [email protected]
Date: Tue Jan  6 05:24:52 2009
New Revision: 1028

Modified:
    branches/bleeding_edge/src/codegen-arm.cc
    branches/bleeding_edge/src/codegen-arm.h
    branches/bleeding_edge/src/codegen-ia32.cc
    branches/bleeding_edge/src/codegen-ia32.h
    branches/bleeding_edge/src/codegen.cc
    branches/bleeding_edge/src/jsregexp.cc
    branches/bleeding_edge/src/log.cc
    branches/bleeding_edge/src/log.h
    branches/bleeding_edge/src/regexp-delay.js
    branches/bleeding_edge/src/runtime.cc
    branches/bleeding_edge/src/runtime.h
    branches/bleeding_edge/src/string.js
    branches/bleeding_edge/test/mjsunit/fuzz-natives.js

Log:
Added runtime call to the logging infrastructure.  Made some changes
to the way regexps are being logged.


Modified: branches/bleeding_edge/src/codegen-arm.cc
==============================================================================
--- branches/bleeding_edge/src/codegen-arm.cc   (original)
+++ branches/bleeding_edge/src/codegen-arm.cc   Tue Jan  6 05:24:52 2009
@@ -2577,6 +2577,19 @@
  }


+void CodeGenerator::GenerateLog(ZoneList<Expression*>* args) {
+  // See comment in CodeGenerator::GenerateLog in codegen-ia32.cc.
+  ASSERT_EQ(args->length(), 3);
+  if (ShouldGenerateLog(args->at(0))) {
+    Load(args->at(1));
+    Load(args->at(2));
+    __ CallRuntime(Runtime::kLog, 2);
+  }
+  __ mov(r0, Operand(Factory::undefined_value()));
+  frame_->Push(r0);
+}
+
+
  void CodeGenerator::GenerateIsNonNegativeSmi(ZoneList<Expression*>* args) {
    ASSERT(args->length() == 1);
    Load(args->at(0));

Modified: branches/bleeding_edge/src/codegen-arm.h
==============================================================================
--- branches/bleeding_edge/src/codegen-arm.h    (original)
+++ branches/bleeding_edge/src/codegen-arm.h    Tue Jan  6 05:24:52 2009
@@ -195,6 +195,8 @@
                                 Handle<Script> script,
                                 bool is_eval);

+  static bool ShouldGenerateLog(Expression* type);
+
    static void SetFunctionInfo(Handle<JSFunction> fun,
                                int length,
                                int function_token_position,
@@ -323,6 +325,8 @@

    // Fast support for object equality testing.
    void GenerateObjectEquals(ZoneList<Expression*>* args);
+
+  void GenerateLog(ZoneList<Expression*>* args);

    // Methods and constants for fast case switch statement support.
    //

Modified: branches/bleeding_edge/src/codegen-ia32.cc
==============================================================================
--- branches/bleeding_edge/src/codegen-ia32.cc  (original)
+++ branches/bleeding_edge/src/codegen-ia32.cc  Tue Jan  6 05:24:52 2009
@@ -2900,6 +2900,25 @@
  }


+void CodeGenerator::GenerateLog(ZoneList<Expression*>* args) {
+  // Conditionally generate a log call.
+  // Args:
+  //   0 (literal string): The type of logging (corresponds to the flags).
+  //     This is used to determine whether or not to generate the log call.
+  //   1 (string): Format string.  Access the string at argument index 2
+  //     with '%2s' (see Logger::LogRuntime for all the formats).
+  //   2 (array): Arguments to the format string.
+  ASSERT_EQ(args->length(), 3);
+  if (ShouldGenerateLog(args->at(0))) {
+    Load(args->at(1));
+    Load(args->at(2));
+    __ CallRuntime(Runtime::kLog, 2);
+  }
+  // Finally, we're expected to leave a value on the top of the stack.
+  frame_->Push(Immediate(Factory::undefined_value()));
+}
+
+
  void CodeGenerator::GenerateIsNonNegativeSmi(ZoneList<Expression*>* args) {
    ASSERT(args->length() == 1);
    Load(args->at(0));

Modified: branches/bleeding_edge/src/codegen-ia32.h
==============================================================================
--- branches/bleeding_edge/src/codegen-ia32.h   (original)
+++ branches/bleeding_edge/src/codegen-ia32.h   Tue Jan  6 05:24:52 2009
@@ -201,6 +201,8 @@
                                 Handle<Script> script,
                                 bool is_eval);

+  static bool ShouldGenerateLog(Expression* type);
+
    static void SetFunctionInfo(Handle<JSFunction> fun,
                                int length,
                                int function_token_position,
@@ -347,6 +349,8 @@

    // Fast support for object equality testing.
    void GenerateObjectEquals(ZoneList<Expression*>* args);
+
+  void GenerateLog(ZoneList<Expression*>* args);


    // Methods and constants for fast case switch statement support.

Modified: branches/bleeding_edge/src/codegen.cc
==============================================================================
--- branches/bleeding_edge/src/codegen.cc       (original)
+++ branches/bleeding_edge/src/codegen.cc       Tue Jan  6 05:24:52 2009
@@ -163,6 +163,19 @@
  }


+bool CodeGenerator::ShouldGenerateLog(Expression* type) {
+  ASSERT(type != NULL);
+  if (!Logger::is_enabled()) return false;
+  Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle());
+  if (FLAG_log_regexp) {
+    static Vector<const char> kRegexp = CStrVector("regexp");
+    if (name->IsEqualTo(kRegexp))
+      return true;
+  }
+  return false;
+}
+
+
  // Sets the function info on a function.
  // The start_position points to the first '(' character after the function  
name
  // in the full script source. When counting characters in the script  
source the
@@ -338,7 +351,9 @@
      {&v8::internal::CodeGenerator::GenerateFastCharCodeAt,
       "_FastCharCodeAt"},
      {&v8::internal::CodeGenerator::GenerateObjectEquals,
-     "_ObjectEquals"}
+     "_ObjectEquals"},
+    {&v8::internal::CodeGenerator::GenerateLog,
+     "_Log"}
    };
    Handle<String> name = node->name();
    StringShape shape(*name);

Modified: branches/bleeding_edge/src/jsregexp.cc
==============================================================================
--- branches/bleeding_edge/src/jsregexp.cc      (original)
+++ branches/bleeding_edge/src/jsregexp.cc      Tue Jan  6 05:24:52 2009
@@ -373,7 +373,6 @@
      return Handle<Smi>(Smi::FromInt(-1));
    }

-  LOG(RegExpExecEvent(re, start_index, subject));
    int value = Runtime::StringMatch(subject, needle, start_index);
    if (value == -1) return Factory::null_value();

@@ -393,7 +392,6 @@
    int subject_length = subject->length();
    int needle_length = needle->length();
    while (true) {
-    LOG(RegExpExecEvent(re, index, subject));
      int value = -1;
      if (index + needle_length <= subject_length) {
        value = Runtime::StringMatch(subject, needle, index);
@@ -575,8 +573,6 @@
          reinterpret_cast<v8::jscre::JscreRegExp*>(
              internal->GetDataStartAddress());

-    LOG(RegExpExecEvent(regexp, previous_index, subject));
-
      rc = v8::jscre::jsRegExpExecute(js_regexp,
                                      two_byte_subject,
                                      subject->length(),
@@ -791,7 +787,6 @@
      PrintF("\n\nSubject string: '%s'\n\n", *(subject->ToCString()));
    }
  #endif
-  LOG(RegExpExecEvent(regexp, previous_index, subject));

    if (!subject->IsFlat(StringShape(*subject))) {
      FlattenString(subject);
@@ -845,7 +840,6 @@
          PrintF("\n\nSubject string: '%s'\n\n", *(subject->ToCString()));
        }
  #endif
-      LOG(RegExpExecEvent(regexp, previous_index, subject));
        matches = IrregexpExecOnce(irregexp,
                                   IrregexpNumberOfCaptures(irregexp),
                                   subject,

Modified: branches/bleeding_edge/src/log.cc
==============================================================================
--- branches/bleeding_edge/src/log.cc   (original)
+++ branches/bleeding_edge/src/log.cc   Tue Jan  6 05:24:52 2009
@@ -350,11 +350,19 @@


  #ifdef ENABLE_LOGGING_AND_PROFILING
-void Logger::LogString(Handle<String> str) {
+void Logger::LogString(Handle<String> str, bool show_impl_info) {
    StringShape shape(*str);
    int len = str->length(shape);
-  if (len > 256)
-    len = 256;
+  if (len > 0x1000)
+    len = 0x1000;
+  if (show_impl_info) {
+    fputc(shape.IsAsciiRepresentation() ? 'a' : '2', logfile_);
+    if (shape.IsExternal())
+      fputc('e', logfile_);
+    if (shape.IsSymbol())
+      fputc('#', logfile_);
+    fprintf(logfile_, ":%i:", str->length());
+  }
    for (int i = 0; i < len; i++) {
      uc32 c = str->Get(shape, i);
      if (c > 0xff) {
@@ -389,7 +397,7 @@
        break;
    }
    fprintf(logfile_, "/");
-  LogString(Handle<String>::cast(source));
+  LogString(Handle<String>::cast(source), false);
    fprintf(logfile_, "/");

    // global flag
@@ -423,19 +431,40 @@
  }


-void Logger::RegExpExecEvent(Handle<JSRegExp> regexp,
-                             int start_index,
-                             Handle<String> input_string) {
-#ifdef ENABLE_LOGGING_AND_PROFILING
-  if (logfile_ == NULL || !FLAG_log_regexp) return;
+void Logger::LogRuntime(Vector<const char> format, JSArray* args) {
    ScopedLock sl(mutex_);
-
-  fprintf(logfile_, "regexp-run,");
-  LogRegExpSource(regexp);
-  fprintf(logfile_, ",");
-  LogString(input_string);
-  fprintf(logfile_, ",%d..%d\n", start_index, input_string->length());
-#endif
+  HandleScope scope;
+  for (int i = 0; i < format.length(); i++) {
+    char c = format[i];
+    if (c == '%' && i <= format.length() - 2) {
+      i++;
+      ASSERT('0' <= format[i] && format[i] <= '9');
+      Object* obj = args->GetElement(format[i] - '0');
+      i++;
+      switch (format[i]) {
+        case 's':
+          Logger::LogString(Handle<String>(String::cast(obj)), false);
+          break;
+        case 'S':
+          Logger::LogString(Handle<String>(String::cast(obj)), true);
+          break;
+        case 'r':
+          Logger::LogRegExpSource(Handle<JSRegExp>(JSRegExp::cast(obj)));
+          break;
+        case 'x':
+          fprintf(logfile_, "0x%x", Smi::cast(obj)->value());
+          break;
+        case 'i':
+          fprintf(logfile_, "%i", Smi::cast(obj)->value());
+          break;
+        default:
+          UNREACHABLE();
+      }
+    } else {
+      fputc(c, logfile_);
+    }
+  }
+  fputc('\n', logfile_);
  }



Modified: branches/bleeding_edge/src/log.h
==============================================================================
--- branches/bleeding_edge/src/log.h    (original)
+++ branches/bleeding_edge/src/log.h    Tue Jan  6 05:24:52 2009
@@ -72,7 +72,11 @@

  #undef LOG
  #ifdef ENABLE_LOGGING_AND_PROFILING
-#define LOG(Call) v8::internal::Logger::Call
+#define LOG(Call)                           \
+  do {                                      \
+    if (v8::internal::Logger::is_enabled()) \
+      v8::internal::Logger::Call;           \
+  } while (false)
  #else
  #define LOG(Call) ((void) 0)
  #endif
@@ -189,9 +193,8 @@

    static void RegExpCompileEvent(Handle<JSRegExp> regexp, bool in_cache);

-  static void RegExpExecEvent(Handle<JSRegExp> regexp,
-                              int start_index,
-                              Handle<String> input_string);
+  // Log an event reported from generated code
+  static void LogRuntime(Vector<const char> format, JSArray* args);

  #ifdef ENABLE_LOGGING_AND_PROFILING
    static StateTag state() {
@@ -199,13 +202,15 @@
    }
  #endif

+  static bool is_enabled() { return logfile_ != NULL; }
+
  #ifdef ENABLE_LOGGING_AND_PROFILING
   private:

    // Emits the source code of a regexp. Used by regexp events.
    static void LogRegExpSource(Handle<JSRegExp> regexp);

-  static void LogString(Handle<String> str);
+  static void LogString(Handle<String> str, bool show_impl_info);

    // Emits a profiler tick event. Used by the profiler thread.
    static void TickEvent(TickSample* sample, bool overflow);

Modified: branches/bleeding_edge/src/regexp-delay.js
==============================================================================
--- branches/bleeding_edge/src/regexp-delay.js  (original)
+++ branches/bleeding_edge/src/regexp-delay.js  Tue Jan  6 05:24:52 2009
@@ -178,6 +178,7 @@
      return null;
    }

+  %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [this, s, lastIndex]);
    // matchIndices is an array of integers with length of captures*2,
    // each pair of integers specified the start and the end of index
    // in the string.

Modified: branches/bleeding_edge/src/runtime.cc
==============================================================================
--- branches/bleeding_edge/src/runtime.cc       (original)
+++ branches/bleeding_edge/src/runtime.cc       Tue Jan  6 05:24:52 2009
@@ -5840,6 +5840,16 @@
  #endif


+static Object* Runtime_Log(Arguments args) {
+  ASSERT(args.length() == 2);
+  String* format = String::cast(args[0]);
+  Vector<const char> chars = format->ToAsciiVector();
+  JSArray* elms = JSArray::cast(args[1]);
+  Logger::LogRuntime(chars, elms);
+  return Heap::undefined_value();
+}
+
+
  static Object* Runtime_IS_VAR(Arguments args) {
    UNREACHABLE();  // implemented as macro in the parser
    return NULL;

Modified: branches/bleeding_edge/src/runtime.h
==============================================================================
--- branches/bleeding_edge/src/runtime.h        (original)
+++ branches/bleeding_edge/src/runtime.h        Tue Jan  6 05:24:52 2009
@@ -285,6 +285,8 @@
    F(DebugBreak, 0) \
    F(FunctionGetAssemblerCode, 1) \
    F(Abort, 2) \
+  /* Logging */ \
+  F(Log, 2) \
    \
    /* Pseudo functions - handled as macros by parser */ \
    F(IS_VAR, 1)

Modified: branches/bleeding_edge/src/string.js
==============================================================================
--- branches/bleeding_edge/src/string.js        (original)
+++ branches/bleeding_edge/src/string.js        Tue Jan  6 05:24:52 2009
@@ -152,6 +152,7 @@
    var subject = ToString(this);

    if (!regexp.global) return regexp.exec(subject);
+  %_Log('regexp', 'regexp-match,%0S,%1r', [subject, regexp]);
    var matches = DoRegExpExecGlobal(regexp, subject);

    // If the regexp did not match, return null.
@@ -185,6 +186,7 @@

    // Delegate to one of the regular expression variants if necessary.
    if (IS_REGEXP(search)) {
+    %_Log('regexp', 'regexp-replace,%0r,%1S', [search, subject]);
      if (IS_FUNCTION(replace)) {
        return StringReplaceRegExpWithFunction(subject, search, replace);
      } else {
@@ -513,7 +515,13 @@
    var currentIndex = 0;
    var startIndex = 0;

-  var sep = IS_REGEXP(separator) ? separator : ToString(separator);
+  var sep;
+  if (IS_REGEXP(separator)) {
+    sep = separator;
+    %_Log('regexp', 'regexp-split,%0S,%1r', [subject, sep]);
+  } else {
+    sep = ToString(separator);
+  }

    if (length === 0) {
      if (splitMatch(sep, subject, 0, 0) != null) return result;

Modified: branches/bleeding_edge/test/mjsunit/fuzz-natives.js
==============================================================================
--- branches/bleeding_edge/test/mjsunit/fuzz-natives.js (original)
+++ branches/bleeding_edge/test/mjsunit/fuzz-natives.js Tue Jan  6 05:24:52  
2009
@@ -123,7 +123,8 @@
    "CreateObjectLiteralBoilerplate": true,
    "CloneObjectLiteralBoilerplate": true,
    "IS_VAR": true,
-  "ResolvePossiblyDirectEval": true
+  "ResolvePossiblyDirectEval": true,
+  "Log": true
  };

  var currentlyUncallable = {

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