Merge ktlim@zizzer.eecs.umich.edu:/bk/m5

into zamp.eecs.umich.edu:/z/ktlim2/m5

--HG--
extra : convert_revision : 11832134b169aa827a1d03c96ef89edddf4b3dab

5 files changed, 237 insertions, 2 deletions

diff --git a/base/misc.cc b/base/misc.cc
index 0c459352f..4b7c3632a 100644
--- a/base/misc.cc
+++ b/base/misc.cc
@@ -30,10 +30,11 @@
 #include <string>
 
 #include "base/cprintf.hh"
-#include "sim/host.hh"
 #include "base/hostinfo.hh"
 #include "base/misc.hh"
+#include "base/output.hh"
 #include "base/trace.hh"
+#include "sim/host.hh"
 #include "sim/universe.hh"
 
 using namespace std;
@@ -116,7 +117,7 @@ __warn(const string &format, cp::ArgList &args, const char *func,
 #endif
 
     args.dump(cerr, fmt);
-    if (outputStream != &cerr && outputStream != &cout)
+    if (simout.isFile(*outputStream))
         args.dump(*outputStream, fmt);
 
     delete &args;
diff --git a/base/output.cc b/base/output.cc
new file mode 100644
index 000000000..2b1733f21
--- /dev/null
+++ b/base/output.cc
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2005 The Regents of The University of Michigan
+ * 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 with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <fstream>
+
+#include "base/misc.hh"
+#include "base/output.hh"
+
+using namespace std;
+
+OutputDirectory simout;
+
+/**
+ *
+ */
+OutputDirectory::OutputDirectory()
+{}
+
+OutputDirectory::~OutputDirectory()
+{}
+
+void
+OutputDirectory::setDirectory(const string &d)
+{
+    if (!dir.empty())
+        panic("Output directory already set!\n");
+
+    dir = d;
+
+    if (dir != ".") {
+        if (mkdir(dir.c_str(), 0777) < 0 && errno != EEXIST)
+            panic("couldn't make output dir %s: %s\n",
+                  dir, strerror(errno));
+    }
+
+    // guarantee that directory ends with a '/'
+    if (dir[dir.size() - 1] != '/')
+        dir += "/";
+}
+
+const string &
+OutputDirectory::directory()
+{
+    if (dir.empty())
+        panic("Output directory not set!");
+
+    return dir;
+}
+
+string
+OutputDirectory::resolve(const string &name)
+{
+    return (name[0] != '/') ? dir + name : name;
+}
+
+ostream *
+OutputDirectory::create(const string &name)
+{
+    if (name == "cerr" || name == "stderr")
+        return &cerr;
+
+    if (name == "cout" || name == "stdout")
+        return &cout;
+
+    ofstream *file = new ofstream(resolve(name).c_str(), ios::trunc);
+    if (!file->is_open())
+        panic("Cannot open file %s", name);
+
+    return file;
+}
+
+ostream *
+OutputDirectory::find(const string &name)
+{
+    if (name == "cerr" || name == "stderr")
+        return &cerr;
+
+    if (name == "cout" || name == "stdout")
+        return &cout;
+
+    string filename = resolve(name);
+    map_t::iterator i = files.find(filename);
+    if (i != files.end())
+        return (*i).second;
+
+    ofstream *file = new ofstream(filename.c_str(), ios::trunc);
+    if (!file->is_open())
+        panic("Cannot open file %s", filename);
+
+    files[filename] = file;
+    return file;
+}
+
+bool
+OutputDirectory::isFile(const std::ostream *os)
+{
+    return os && os != &cerr && os != &cout;
+}
diff --git a/base/output.hh b/base/output.hh
new file mode 100644
index 000000000..3bbe73e3b
--- /dev/null
+++ b/base/output.hh
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2005 The Regents of The University of Michigan
+ * 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 with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __BASE_OUTPUT_HH__
+#define __BASE_OUTPUT_HH__
+
+#include <iosfwd>
+#include <map>
+#include <string>
+
+class OutputDirectory
+{
+  private:
+    typedef std::map<std::string, std::ostream *> map_t;
+
+    map_t files;
+    std::string dir;
+
+  public:
+    OutputDirectory();
+    ~OutputDirectory();
+
+    void setDirectory(const std::string &dir);
+    const std::string &directory();
+
+    std::string resolve(const std::string &name);
+    std::ostream *create(const std::string &name);
+    std::ostream *find(const std::string &name);
+
+    static bool isFile(const std::ostream *os);
+    static inline bool isFile(const std::ostream &os) { return isFile(&os); }
+};
+
+extern OutputDirectory simout;
+
+#endif // __BASE_OUTPUT_HH__
diff --git a/base/str.cc b/base/str.cc
index dd8d80043..5357ba79f 100644
--- a/base/str.cc
+++ b/base/str.cc
@@ -39,6 +39,36 @@
 
 using namespace std;
 
+bool
+split_first(const string &s, string &lhs, string &rhs, char c)
+{
+    string::size_type offset = s.find(c);
+    if (offset == string::npos) {
+        lhs = s;
+        rhs = "";
+        return false;
+    }
+
+    lhs = s.substr(0, offset);
+    rhs = s.substr(offset + 1);
+    return true;
+}
+
+bool
+split_last(const string &s, string &lhs, string &rhs, char c)
+{
+    string::size_type offset = s.rfind(c);
+    if (offset == string::npos) {
+        lhs = s;
+        rhs = "";
+        return false;
+    }
+
+    lhs = s.substr(0, offset);
+    rhs = s.substr(offset + 1);
+    return true;
+}
+
 void
 tokenize(vector<string>& v, const string &s, char token, bool ignore)
 {
diff --git a/base/str.hh b/base/str.hh
index 812f4d41a..41433f2bd 100644
--- a/base/str.hh
+++ b/base/str.hh
@@ -90,6 +90,20 @@ to_lower(const std::string &s)
     return lower;
 }
 
+// Split the string s into lhs and rhs on the first occurence of the
+// character c.
+bool
+split_first(const std::string &s, std::string &lhs, std::string &rhs, char c);
+
+// Split the string s into lhs and rhs on the last occurence of the
+// character c.
+bool
+split_last(const std::string &s, std::string &lhs, std::string &rhs, char c);
+
+// Tokenize the string <s> splitting on the character <token>, and
+// place the result in the string vector <vector>.  If <ign> is true,
+// then empty result strings (due to trailing tokens, or consecutive
+// tokens) are skipped.
 void
 tokenize(std::vector<std::string> &vector, const std::string &s,
          char token, bool ign = true);