int main(int argc, char **argv) { SgProject *project = frontend(argc, argv); // Instantiate a class hierarchy wrapper. ClassHierarchyWrapper classHierarchy( project ); #if 0 std::list<SgNode *> nodes2 = NodeQuery::querySubTree(project, V_SgVariableDefinition); for (std::list<SgNode *>::iterator it = nodes2.begin(); it != nodes2.end(); ++it ) { SgNode *n = *it; ROSE_ASSERT(n != NULL); SgVariableDefinition *varDefn = isSgVariableDefinition(n); ROSE_ASSERT(varDefn != NULL); std::cout << "Var defn: " << varDefn->unparseToCompleteString() << std::endl; } std::list<SgNode *> nodes1 = NodeQuery::querySubTree(project, V_SgVariableDeclaration); for (std::list<SgNode *>::iterator it = nodes1.begin(); it != nodes1.end(); ++it ) { SgNode *n = *it; ROSE_ASSERT(n != NULL); SgVariableDeclaration *varDecl = isSgVariableDeclaration(n); ROSE_ASSERT(varDecl != NULL); SgInitializedNamePtrList &variables = varDecl->get_variables(); SgInitializedNamePtrList::iterator varIter; for (varIter = variables.begin(); varIter != variables.end(); ++varIter) { SgNode *var = *varIter; ROSE_ASSERT(var != NULL); SgInitializedName *initName = isSgInitializedName(var); ROSE_ASSERT(initName != NULL); if ( isSgClassType(initName->get_type()) ) { SgClassType *classType = isSgClassType(initName->get_type()); ROSE_ASSERT(classType != NULL); SgDeclarationStatement *declStmt = classType->get_declaration(); ROSE_ASSERT(declStmt != NULL); SgClassDeclaration *classDeclaration = isSgClassDeclaration(declStmt); ROSE_ASSERT(classDeclaration != NULL); // std::cout << "From var decl got: " << classDeclaration->unparseToCompleteString() << std::endl; SgClassDefinition *classDefinition = classDeclaration->get_definition(); if ( classDefinition != NULL ) { std::cout << "From var decl got: " << classDefinition->unparseToCompleteString() << std::endl; } } } } std::list<SgNode *> nodes = NodeQuery::querySubTree(project, V_SgClassDeclaration); for (std::list<SgNode *>::iterator it = nodes.begin(); it != nodes.end(); ++it ) { SgNode *n = *it; ROSE_ASSERT(n != NULL); SgClassDeclaration *classDeclaration1 = isSgClassDeclaration(n); ROSE_ASSERT(classDeclaration1 != NULL); SgDeclarationStatement *definingDecl = classDeclaration1->get_definingDeclaration(); if ( definingDecl == NULL ) continue; SgClassDeclaration *classDeclaration = isSgClassDeclaration(definingDecl); ROSE_ASSERT(classDeclaration != NULL); SgClassDefinition *classDefinition = classDeclaration->get_definition(); ROSE_ASSERT(classDefinition != NULL); std::cout << "Calling getSubclasses on " << classDefinition->unparseToCompleteString() << std::endl; SgClassDefinitionPtrList subclasses = classHierarchy.getSubclasses(classDefinition); // Iterate over all subclasses. for (SgClassDefinitionPtrList::iterator subclassIt = subclasses.begin(); subclassIt != subclasses.end(); ++subclassIt) { SgClassDefinition *subclass = *subclassIt; ROSE_ASSERT(subclass != NULL); std::cout << "subclass" << std::endl; } } #endif #if 1 #if 0 std::list<SgNode *> nodes = NodeQuery::querySubTree(project, V_SgClassDefinition); for (std::list<SgNode *>::iterator it = nodes.begin(); it != nodes.end(); ++it ) { SgNode *n = *it; ROSE_ASSERT(n != NULL); SgClassDefinition *classDefinition = isSgClassDefinition(n); ROSE_ASSERT(classDefinition != NULL); std::cout << "Calling getSubclasses on " << classDefinition->unparseToCompleteString() << std::endl; SgClassDefinitionPtrList subclasses = classHierarchy.getSubclasses(classDefinition); // Iterate over all subclasses. for (SgClassDefinitionPtrList::iterator subclassIt = subclasses.begin(); subclassIt != subclasses.end(); ++subclassIt) { SgClassDefinition *subclass = *subclassIt; ROSE_ASSERT(subclass != NULL); std::cout << "subclass" << std::endl; } } #else // Collect all function/method invocations. std::list<SgNode *> nodes = NodeQuery::querySubTree(project, V_SgFunctionCallExp); unsigned int numCallSites = 0; unsigned int numMonomorphicCallSites = 0; unsigned int numPossibleResolutions = 0; // Visit each call site. for (std::list<SgNode *>::iterator it = nodes.begin(); it != nodes.end(); ++it ) { SgNode *n = *it; ROSE_ASSERT(n != NULL); SgFunctionCallExp *functionCallExp = isSgFunctionCallExp(n); ROSE_ASSERT(functionCallExp != NULL); // We are only interested in examining method invocations. bool isDotExp = false; bool isLhsRefOrPtr = false; // std::cout << "method?: " << functionCallExp->unparseToCompleteString() << std::endl; if ( !isMethodCall(functionCallExp, isDotExp, isLhsRefOrPtr) ) continue; // std::cout << "method: " << functionCallExp->unparseToCompleteString() << std::endl; numCallSites++; if ( isDotExp && !isLhsRefOrPtr ) { // If this is a dot expression (i.e., a.foo()), we can // statically determine its type-- unless the left-hand // side is a reference type. numMonomorphicCallSites++; numPossibleResolutions++; // std::cout << "dot: " << functionCallExp->unparseToCompleteString() << std::endl; continue; } // std::cout << "methodPtr: " << functionCallExp->unparseToCompleteString() << std::endl; // Retrieve the static function declaration. SgFunctionDeclaration *functionDeclaration = getFunctionDeclaration(functionCallExp); // Ensure it is actually a method declaration. SgMemberFunctionDeclaration *memberFunctionDeclaration = isSgMemberFunctionDeclaration(functionDeclaration); ROSE_ASSERT(memberFunctionDeclaration != NULL); unsigned int numResolutionsForMethod = 0; // Certainly can be resolved to the static method (unless it // is pure virtual). if ( !isPureVirtual(memberFunctionDeclaration) ) { numResolutionsForMethod++; } #if 0 if ( ( isVirtual(functionDeclaration) ) || ( isDeclaredVirtualWithinAncestor(functionDeclaration) ) ) { #else if ( isVirtual(functionDeclaration) ) { #endif // std::cout << "tracking: " << functionDeclaration->unparseToString() << std::endl; SgClassDefinition *classDefinition = isSgClassDefinition(memberFunctionDeclaration->get_scope()); ROSE_ASSERT(classDefinition != NULL); SgClassDefinitionPtrList subclasses = classHierarchy.getSubclasses(classDefinition); // Iterate over all subclasses. for (SgClassDefinitionPtrList::iterator subclassIt = subclasses.begin(); subclassIt != subclasses.end(); ++subclassIt) { SgClassDefinition *subclass = *subclassIt; ROSE_ASSERT(subclass != NULL); // std::cout << "subclass" << std::endl; // Iterate over all of the methods defined in this subclass. SgDeclarationStatementPtrList &decls = subclass->get_members(); for (SgDeclarationStatementPtrList::iterator declIter = decls.begin(); declIter != decls.end(); ++declIter) { SgDeclarationStatement *declStmt = *declIter; ROSE_ASSERT(declStmt != NULL); SgMemberFunctionDeclaration *method = isSgMemberFunctionDeclaration(declStmt); if ( method == NULL ) { continue; } // std::cout << "checking overrides" << std::endl; // Determine whether subclass of the class defining this // method overrides the method. #if 1 if ( matchingFunctions(method, memberFunctionDeclaration) ) { // std::cout << "overries" << std::endl; // Do not consider a pure virtual method to be an // overriding method (since it can not be invoked). if ( !isPureVirtual(method) ) { numResolutionsForMethod++; } } #else if ( methodOverridesVirtualMethod(method, memberFunctionDeclaration) ) { // std::cout << "overries" << std::endl; numResolutionsForMethod++; } #endif } } if ( numResolutionsForMethod <= 1 ) numMonomorphicCallSites++; numPossibleResolutions += numResolutionsForMethod; if ( ( numResolutionsForMethod ) > 1 ) { std::cout << "Method invocation has " << numResolutionsForMethod << " possible resolutions " << std::endl; std::cout << functionCallExp->unparseToCompleteString() << std::endl; } } } #endif #endif return 0; }