/// viewInheritance - Display the inheritance hierarchy of this C++
/// class using GraphViz.
void CXXRecordDecl::viewInheritance(ASTContext& Context) const {
QualType Self = Context.getTypeDeclType(this);
std::string ErrMsg;
sys::Path Filename = sys::Path::GetTemporaryDirectory(&ErrMsg);
if (Filename.isEmpty()) {
llvm::errs() << "Error: " << ErrMsg << "\n";
return;
}
Filename.appendComponent(Self.getAsString() + ".dot");
if (Filename.makeUnique(true,&ErrMsg)) {
llvm::errs() << "Error: " << ErrMsg << "\n";
return;
}
llvm::errs() << "Writing '" << Filename.c_str() << "'... ";
llvm::raw_fd_ostream O(Filename.c_str(), ErrMsg);
if (ErrMsg.empty()) {
InheritanceHierarchyWriter Writer(Context, O);
Writer.WriteGraph(Self);
llvm::errs() << " done. \n";
O.close();
// Display the graph
DisplayGraph(Filename);
} else {
llvm::errs() << "error opening file for writing!\n";
}
}
void main(){
MGraph N;
printf("创建一个网：\n");
CreateGraph(&N);
printf("输出网的顶点和弧：\n");
DisplayGraph(N);
printf("销毁网：\n");
DestroyGraph(&N);
system("pause");
}
bool TFA::runOnModule(Module &M) {
if (Input.getValue() == llvm::cl::BOU_UNSET || Input.getValue()
== llvm::cl::BOU_TRUE) {
InputValues &IV = getAnalysis<InputValues> ();
inputDepValues = IV.getInputDepValues();
} else {
InputDep &IV = getAnalysis<InputDep> ();
inputDepValues = IV.getInputDepValues();
}
bSSA &bssa = getAnalysis<bSSA> ();
depGraph = bssa.newGraph;
DEBUG( // display dependence graph
string Error;
std::string tmp = M.getModuleIdentifier();
replace(tmp.begin(), tmp.end(), '\\', '_');
std::string Filename = "/tmp/" + tmp + ".dot";
//Print dependency graph (in dot format)
depGraph->toDot(M.getModuleIdentifier(), Filename);
DisplayGraph(Filename, true, GraphProgram::DOT);
);
void main(){
MGraph N;
printf("创建一个无向网：\n");
CreateGraph(&N);
DisplayGraph(N);
Prim(N,"A");
DestroyGraph(&N);
system("pause");
}