# HG changeset patch
# User anoll
# Date 1412945310 -7200
# Node ID feee4a6106bc57718af1959af17b84cbfb3ae091
# Parent  bae5d661dd4be0f74ad2b9e32af07d3847f8a964
8059847: complement JDK-8055286 and JDK-8056964 changes
Summary: Extend scan_flag_and_value() to process flag of type double. Add regression test compiler/oracle/CheckCompileCommandOption.java.
Reviewed-by: kvn, anoll

diff -r bae5d661dd4b -r feee4a6106bc hotspot/src/share/vm/ci/ciMethod.cpp
--- a/hotspot/src/share/vm/ci/ciMethod.cpp	Wed Oct 08 09:23:18 2014 +0200
+++ b/hotspot/src/share/vm/ci/ciMethod.cpp	Fri Oct 10 14:48:30 2014 +0200
@@ -1116,6 +1116,7 @@
 template bool ciMethod::has_option_value<uintx>(const char* option, uintx& value);
 template bool ciMethod::has_option_value<bool>(const char* option, bool& value);
 template bool ciMethod::has_option_value<ccstr>(const char* option, ccstr& value);
+template bool ciMethod::has_option_value<double>(const char* option, double& value);
 
 // ------------------------------------------------------------------
 // ciMethod::can_be_compiled
diff -r bae5d661dd4b -r feee4a6106bc hotspot/src/share/vm/compiler/compilerOracle.cpp
--- a/hotspot/src/share/vm/compiler/compilerOracle.cpp	Wed Oct 08 09:23:18 2014 +0200
+++ b/hotspot/src/share/vm/compiler/compilerOracle.cpp	Fri Oct 10 14:48:30 2014 +0200
@@ -173,6 +173,7 @@
   UintxType,
   BoolType,
   CcstrType,
+  DoubleType,
   UnknownType
 };
 
@@ -198,6 +199,10 @@
   return CcstrType;
 }
 
+template<> OptionType get_type_for<double>() {
+  return DoubleType;
+}
+
 template<typename T>
 static const T copy_value(const T value) {
   return value;
@@ -297,6 +302,15 @@
   tty->cr();
 };
 
+template<>
+void TypedMethodOptionMatcher<double>::print() {
+  ttyLocker ttyl;
+  print_base();
+  tty->print(" double %s", _option);
+  tty->print(" = %f", _value);
+  tty->cr();
+};
+
 // this must parallel the command_names below
 enum OracleCommand {
   UnknownCommand = -1,
@@ -390,6 +404,7 @@
 template bool CompilerOracle::has_option_value<uintx>(methodHandle method, const char* option, uintx& value);
 template bool CompilerOracle::has_option_value<bool>(methodHandle method, const char* option, bool& value);
 template bool CompilerOracle::has_option_value<ccstr>(methodHandle method, const char* option, ccstr& value);
+template bool CompilerOracle::has_option_value<double>(methodHandle method, const char* option, double& value);
 
 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) {
   quietly = true;
@@ -610,6 +625,20 @@
       } else {
         jio_snprintf(errorbuf, sizeof(errorbuf), "  Value cannot be read for flag %s of type %s", flag, type);
       }
+    } else if (strcmp(type, "double") == 0) {
+      char buffer[2][256];
+      // Decimal separator '.' has been replaced with ' ' or '/' earlier,
+      // so read integer and fraction part of double value separately.
+      if (sscanf(line, "%*[ \t]%255[0-9]%*[ /\t]%255[0-9]%n", buffer[0], buffer[1], &bytes_read) == 2) {
+        char value[512] = "";
+        strncat(value, buffer[0], 255);
+        strcat(value, ".");
+        strncat(value, buffer[1], 255);
+        total_bytes_read += bytes_read;
+        return add_option_string(c_name, c_match, m_name, m_match, signature, flag, atof(value));
+      } else {
+        jio_snprintf(errorbuf, buf_size, "  Value cannot be read for flag %s of type %s", flag, type);
+      }
     } else {
       jio_snprintf(errorbuf, sizeof(errorbuf), "  Type %s not supported ", type);
     }
@@ -700,11 +729,10 @@
       // (1) CompileCommand=option,Klass::method,flag
       // (2) CompileCommand=option,Klass::method,type,flag,value
       //
-      // Type (1) is used to support ciMethod::has_option("someflag")
-      // (i.e., to check if a flag "someflag" is enabled for a method).
+      // Type (1) is used to enable a boolean flag for a method.
       //
       // Type (2) is used to support options with a value. Values can have the
-      // the following types: intx, uintx, bool, ccstr, and ccstrlist.
+      // the following types: intx, uintx, bool, ccstr, ccstrlist, and double.
       //
       // For future extensions: extend scan_flag_and_value()
       char option[256]; // stores flag for Type (1) and type of Type (2)
@@ -722,6 +750,7 @@
             || strcmp(option, "bool") == 0
             || strcmp(option, "ccstr") == 0
             || strcmp(option, "ccstrlist") == 0
+            || strcmp(option, "double") == 0
             ) {
 
           // Type (2) option: parse flag name and value.
diff -r bae5d661dd4b -r feee4a6106bc hotspot/src/share/vm/runtime/globals.hpp
--- a/hotspot/src/share/vm/runtime/globals.hpp	Wed Oct 08 09:23:18 2014 +0200
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Fri Oct 10 14:48:30 2014 +0200
@@ -454,7 +454,7 @@
 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version
 
 // A flag must be declared with one of the following types:
-// bool, intx, uintx, ccstr.
+// bool, intx, uintx, ccstr, double, or uint64_t.
 // The type "ccstr" is an alias for "const char*" and is used
 // only in this file, because the macrology requires single-token type names.
 
diff -r bae5d661dd4b -r feee4a6106bc hotspot/test/compiler/oracle/CheckCompileCommandOption.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/oracle/CheckCompileCommandOption.java	Fri Oct 10 14:48:30 2014 +0200
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import com.oracle.java.testlibrary.*;
+
+/*
+ * @test CheckCompileCommandOption
+ * @bug 8055286 8056964 8059847
+ * @summary "Checks parsing of -XX:+CompileCommand=option"
+ * @library /testlibrary
+ * @run main CheckCompileCommandOption
+ */
+
+public class CheckCompileCommandOption {
+
+    // Currently, two types of trailing options can be used with
+    // -XX:CompileCommand=option
+    //
+    // (1) CompileCommand=option,Klass::method,flag
+    // (2) CompileCommand=option,Klass::method,type,flag,value
+    //
+    // Type (1) is used to enable a boolean flag for a method.
+    //
+    // Type (2) is used to support flags with a value. Values can
+    // have the the following types: intx, uintx, bool, ccstr,
+    // ccstrlist, and double.
+
+    private static final String[][] TYPE_1_ARGUMENTS = {
+        {
+            "-XX:CompileCommand=option,com/oracle/Test.test,MyBoolOption1",
+            "-XX:CompileCommand=option,com/oracle/Test,test,MyBoolOption2",
+            "-XX:CompileCommand=option,com.oracle.Test::test,MyBoolOption3",
+            "-XX:CompileCommand=option,com/oracle/Test::test,MyBoolOption4",
+            "-version"
+        },
+        {
+            "-XX:CompileCommand=option,com/oracle/Test.test,MyBoolOption1,MyBoolOption2",
+            "-version"
+        },
+        {
+            "-XX:CompileCommand=option,com/oracle/Test,test,MyBoolOption1,MyBoolOption2",
+            "-version"
+        }
+    };
+
+    private static final String[][] TYPE_1_EXPECTED_OUTPUTS = {
+        {
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption1 = true",
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption2 = true",
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption3 = true",
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption4 = true"
+        },
+        {
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption1 = true",
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption2 = true",
+        },
+        {
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption1 = true",
+            "CompilerOracle: option com/oracle/Test.test bool MyBoolOption2 = true",
+        }
+    };
+
+    private static final String[][] TYPE_2_ARGUMENTS = {
+        {
+            "-XX:CompileCommand=option,Test::test,ccstrlist,MyListOption,_foo,_bar",
+            "-XX:CompileCommand=option,Test::test,ccstr,MyStrOption,_foo",
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption,false",
+            "-XX:CompileCommand=option,Test::test,intx,MyIntxOption,-1",
+            "-XX:CompileCommand=option,Test::test,uintx,MyUintxOption,1",
+            "-XX:CompileCommand=option,Test::test,MyFlag",
+            "-XX:CompileCommand=option,Test::test,double,MyDoubleOption,1.123",
+            "-version"
+        },
+        {
+            "-XX:CompileCommand=option,Test.test,double,MyDoubleOption,1.123",
+            "-version"
+        },
+        {
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption,false,intx,MyIntxOption,-1,uintx,MyUintxOption,1,MyFlag,double,MyDoubleOption,1.123",
+            "-version"
+        }
+    };
+
+    private static final String[][] TYPE_2_EXPECTED_OUTPUTS = {
+        {
+            "CompilerOracle: option Test.test const char* MyListOption = '_foo _bar'",
+            "CompilerOracle: option Test.test const char* MyStrOption = '_foo'",
+            "CompilerOracle: option Test.test bool MyBoolOption = false",
+            "CompilerOracle: option Test.test intx MyIntxOption = -1",
+            "CompilerOracle: option Test.test uintx MyUintxOption = 1",
+            "CompilerOracle: option Test.test bool MyFlag = true",
+            "CompilerOracle: option Test.test double MyDoubleOption = 1.123000"
+        },
+        {
+            "CompilerOracle: option Test.test double MyDoubleOption = 1.123000"
+        },
+        {
+            "CompilerOracle: option Test.test bool MyBoolOption = false",
+            "CompilerOracle: option Test.test intx MyIntxOption = -1",
+            "CompilerOracle: option Test.test uintx MyUintxOption = 1",
+            "CompilerOracle: option Test.test bool MyFlag = true",
+            "CompilerOracle: option Test.test double MyDoubleOption = 1.123000",
+        }
+    };
+
+    private static final String[][] TYPE_2_INVALID_ARGUMENTS = {
+        {
+            // bool flag name missing
+            "-XX:CompileCommand=option,Test::test,bool",
+            "-version"
+        },
+        {
+            // bool flag value missing
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption",
+            "-version"
+        },
+        {
+            // wrong value for bool flag
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption,100",
+            "-version"
+        },
+        {
+            // intx flag name missing
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption,false,intx",
+            "-version"
+        },
+        {
+            // intx flag value missing
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption,false,intx,MyIntOption",
+            "-version"
+        },
+        {
+            // wrong value for intx flag
+            "-XX:CompileCommand=option,Test::test,bool,MyBoolOption,false,intx,MyIntOption,true",
+            "-version"
+        },
+        {
+            // wrong value for flag double flag
+            "-XX:CompileCommand=option,Test::test,double,MyDoubleOption,1",
+            "-version"
+        }
+    };
+
+    private static void verifyValidOption(String[] arguments, String[] expected_outputs) throws Exception {
+        ProcessBuilder pb;
+        OutputAnalyzer out;
+
+        pb = ProcessTools.createJavaProcessBuilder(arguments);
+        out = new OutputAnalyzer(pb.start());
+
+        for (String expected_output : expected_outputs) {
+            out.shouldContain(expected_output);
+        }
+
+        out.shouldNotContain("CompilerOracle: unrecognized line");
+        out.shouldHaveExitValue(0);
+    }
+
+    private static void verifyInvalidOption(String[] arguments) throws Exception {
+        ProcessBuilder pb;
+        OutputAnalyzer out;
+
+        pb = ProcessTools.createJavaProcessBuilder(arguments);
+        out = new OutputAnalyzer(pb.start());
+
+        out.shouldContain("CompilerOracle: unrecognized line");
+        out.shouldHaveExitValue(0);
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        if (TYPE_1_ARGUMENTS.length != TYPE_1_EXPECTED_OUTPUTS.length) {
+            throw new RuntimeException("Test is set up incorrectly: length of arguments and expected outputs for type (1) options does not match.");
+        }
+
+        if (TYPE_2_ARGUMENTS.length != TYPE_2_EXPECTED_OUTPUTS.length) {
+            throw new RuntimeException("Test is set up incorrectly: length of arguments and expected outputs for type (2) options does not match.");
+        }
+
+        // Check if type (1) options are parsed correctly
+        for (int i = 0; i < TYPE_1_ARGUMENTS.length; i++) {
+            verifyValidOption(TYPE_1_ARGUMENTS[i], TYPE_1_EXPECTED_OUTPUTS[i]);
+        }
+
+        // Check if type (2) options are parsed correctly
+        for (int i = 0; i < TYPE_2_ARGUMENTS.length; i++) {
+            verifyValidOption(TYPE_2_ARGUMENTS[i], TYPE_2_EXPECTED_OUTPUTS[i]);
+        }
+
+        // Check if error is reported for invalid type (2) options
+        // (flags with type information specified)
+        for (String[] arguments: TYPE_2_INVALID_ARGUMENTS) {
+            verifyInvalidOption(arguments);
+        }
+    }
+}