From e79eaa9b4994cd4fb5be42792e6de35376e5c045 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 10 Feb 2003 18:17:07 +0000 Subject: [PATCH] Implement a new "viewGraph" method which can be used to instantly view a graph from gdb git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5528 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Analysis/DataStructure/Printer.cpp | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/lib/Analysis/DataStructure/Printer.cpp b/lib/Analysis/DataStructure/Printer.cpp index d862264dcfc..09748ff8397 100644 --- a/lib/Analysis/DataStructure/Printer.cpp +++ b/lib/Analysis/DataStructure/Printer.cpp @@ -179,6 +179,23 @@ void DSGraph::writeGraphToFile(std::ostream &O, } } +/// viewGraph - Emit a dot graph, run 'dot', run gv on the postscript file, +/// then cleanup. For use from the debugger. +/// +void DSGraph::viewGraph() const { + std::ofstream F("/tmp/tempgraph.dot"); + if (!F.good()) { + std::cerr << "Error opening '/tmp/tempgraph.dot' for temporary graph!\n"; + return; + } + print(F); + if (system("dot -Tps /tmp/tempgraph.dot > /tmp/tempgraph.ps")) + std::cerr << "Error running dot: 'dot' not in path?\n"; + system("gv /tmp/tempgraph.ps"); + system("rm /tmp/tempgraph.dot /tmp/tempgraph.ps"); +} + + template static void printCollection(const Collection &C, std::ostream &O, const Module *M, const std::string &Prefix) {