C++ (Cpp) ASTMangler::mangleGlobalVariableFull Examples

Example #1

File: SILGenGlobalVariable.cpp Project: norio-nomura/swift

/// Get or create SILGlobalVariable for a given global VarDecl.
SILGlobalVariable *SILGenModule::getSILGlobalVariable(VarDecl *gDecl,
                                                      ForDefinition_t forDef) {
  // First, get a mangled name for the declaration.
  std::string mangledName;

  if (auto SILGenName = gDecl->getAttrs().getAttribute<SILGenNameAttr>()) {
    mangledName = SILGenName->Name;
  } else {
    Mangle::ASTMangler NewMangler;
    mangledName = NewMangler.mangleGlobalVariableFull(gDecl);
  }

  // Check if it is already created, and update linkage if necessary.
  if (auto gv = M.lookUpGlobalVariable(mangledName)) {
    // Update the SILLinkage here if this is a definition.
    if (forDef == ForDefinition) {
      gv->setLinkage(getSILLinkage(getDeclLinkage(gDecl), ForDefinition));
      gv->setDeclaration(false);
    }
    return gv;
  }

  // Get the linkage for SILGlobalVariable.
  SILLinkage link = getSILLinkage(getDeclLinkage(gDecl), forDef);
  SILType silTy = M.Types.getLoweredTypeOfGlobal(gDecl);

  auto *silGlobal = SILGlobalVariable::create(M, link, IsNotSerialized,
                                              mangledName, silTy,
                                              None, gDecl);
  silGlobal->setDeclaration(!forDef);

  return silGlobal;
}