[llvm-commits] CVS: llvm/lib/Support/GraphWriter.cpp

[Reid Spencer]

Changes in directory llvm/lib/Support:

GraphWriter.cpp added (r1.1)
---
Log message:

For PR801: http://llvm.org/PR801 :
Refactor the Graph writing code to use a common implementation which is
now in lib/Support/GraphWriter.cpp. This completes the PR.

Patch by Anton Korobeynikov. Thanks, Anton!


---
Diffs of the changes:  (+89 -0)

 GraphWriter.cpp |   89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 89 insertions(+)


Index: llvm/lib/Support/GraphWriter.cpp
diff -c /dev/null llvm/lib/Support/GraphWriter.cpp:1.1
*** /dev/null	Tue Jun 27 11:49:56 2006
--- llvm/lib/Support/GraphWriter.cpp	Tue Jun 27 11:49:46 2006
***************
*** 0 ****
--- 1,89 ----
+ //===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===//
+ //
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by the LLVM research group and is distributed under
+ // the University of Illinois Open Source License. See LICENSE.TXT for details.
+ //
+ //===----------------------------------------------------------------------===//
+ //
+ // This file implements misc. GraphWriter support routines.
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #include "llvm/System/Path.h"
+ #include "llvm/System/Program.h"
+ #include "llvm/Config/config.h"
+ 
+ #include <iostream>
+ 
+ using namespace llvm;
+ 
+ namespace llvm {
+ 
+ void DisplayGraph(const sys::Path& Filename)
+ {
+ #if HAVE_GRAPHVIZ
+   sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
+ 
+   std::vector<const char*> args;
+   args.push_back(Graphviz.c_str());
+   args.push_back(Filename.c_str());
+   args.push_back(0);
+   
+   std::cerr << "Running 'Graphviz' program... " << std::flush;
+   if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
+     std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
+   }
+ #elif (HAVE_GV && HAVE_DOT)
+   sys::Path PSFilename = Filename;
+   PSFilename.appendSuffix("ps");
+   
+   sys::Path dot(LLVM_PATH_DOT);
+ 
+   std::vector<const char*> args;
+   args.push_back(dot.c_str());
+   args.push_back("-Tps");
+   args.push_back("-Nfontname=Courier");
+   args.push_back("-Gsize=7.5,10");
+   args.push_back(Filename.c_str());
+   args.push_back("-o");
+   args.push_back(PSFilename.c_str());
+   args.push_back(0);
+   
+   std::cerr << "Running 'dot' program... " << std::flush;
+   if (sys::Program::ExecuteAndWait(dot, &args[0])) {
+     std::cerr << "Error viewing graph: 'dot' not in path?\n";
+   } else {
+     std::cerr << " done. \n";
+ 
+     sys::Path gv(LLVM_PATH_GV);
+     args.clear();
+     args.push_back(gv.c_str());
+     args.push_back(PSFilename.c_str());
+     args.push_back(0);
+     
+     sys::Program::ExecuteAndWait(gv, &args[0]);
+   }
+   PSFilename.eraseFromDisk();
+ #elif HAVE_DOTTY
+   sys::Path dotty(LLVM_PATH_DOTTY);
+ 
+   std::vector<const char*> args;
+   args.push_back(Filename.c_str());
+   args.push_back(0);
+   
+   std::cerr << "Running 'dotty' program... " << std::flush;
+   if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
+     std::cerr << "Error viewing graph: 'dotty' not in path?\n";
+   } else {
+ #ifdef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns.
+     return;
+ #endif
+   }
+ #endif
+   
+   Filename.eraseFromDisk();
+ }
+ 
+ } // End llvm namespace