1 //===- GraphWriter.cpp - Implements GraphWriter support routines ----------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file implements misc. GraphWriter support routines.
11 //===----------------------------------------------------------------------===//
13 #include "llvm/Support/GraphWriter.h"
21 #include "llvm/Support/Compiler.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/ErrorOr.h"
24 #include "llvm/Support/FileSystem.h"
25 #include "llvm/Support/Path.h"
26 #include "llvm/Support/Program.h"
27 #include "llvm/Support/raw_ostream.h"
30 #include "llvm/Support/CommandLine.h"
31 #include "llvm/Support/ManagedStatic.h"
34 #include <string>
44     return new cl::opt<bool>("view-background", cl::Hidden,  in call()
56 std::string llvm::DOT::EscapeString(const std::string &Label) {  in EscapeString()
57   std::string Str(Label);  in EscapeString()
89 /// Get a color string for this node number. Simply round-robin selects
100 static std::string replaceIllegalFilenameChars(std::string Filename,  in replaceIllegalFilenameChars()
102   std::string IllegalChars =  in replaceIllegalFilenameChars()
113 std::string llvm::createGraphFilename(const Twine &Name, int &FD) {  in createGraphFilename()
114   FD = -1;  in createGraphFilename()
118   std::string N = Name.str();  in createGraphFilename()
123   std::string CleansedName = replaceIllegalFilenameChars(N, '_');  in createGraphFilename()
133   return std::string(Filename);  in createGraphFilename()
139                             std::string &ErrMsg) {  in ExecGraphViewer()
157   std::string LogBuffer;
159   bool TryFindProgram(StringRef Names, std::string &ProgramPath) {  in TryFindProgram()
164       if (ErrorOr<std::string> P = sys::findProgramByName(Name)) {  in TryFindProgram()
194   std::string Filename = std::string(FilenameRef);  in DisplayGraph()
195   std::string ErrMsg;  in DisplayGraph()
196   std::string ViewerPath;  in DisplayGraph()
205       args.push_back("-W");  in DisplayGraph()
212   if (S.TryFindProgram("xdg-open", ViewerPath)) {  in DisplayGraph()
216     errs() << "Trying 'xdg-open' program... ";  in DisplayGraph()
237     args.push_back("-f");  in DisplayGraph()
258   if (!Viewer && S.TryFindProgram("xdg-open", ViewerPath))  in DisplayGraph()
267   std::string GeneratorPath;  in DisplayGraph()
271     std::string OutputFilename =  in DisplayGraph()
277       args.push_back("-Tpdf");  in DisplayGraph()
279       args.push_back("-Tps");  in DisplayGraph()
280     args.push_back("-Nfontname=Courier");  in DisplayGraph()
281     args.push_back("-Gsize=7.5,10");  in DisplayGraph()
283     args.push_back("-o");  in DisplayGraph()
293     std::string StartArg;  in DisplayGraph()
299       args.push_back("-W");  in DisplayGraph()
307       args.push_back("--spartan");  in DisplayGraph()