コード例 #1
0
ファイル: constant_table.cpp プロジェクト: F4m3uS/hiphop-php
void ConstantTable::outputCPP(CodeGenerator &cg, AnalysisResultPtr ar) {
  bool decl = true;
  if (cg.getContext() == CodeGenerator::CppConstantsDecl) {
    decl = false;
  }

  bool printed = false;
  for (StringToSymbolMap::iterator iter = m_symbolMap.begin(),
         end = m_symbolMap.end(); iter != end; ++iter) {
    Symbol *sym = &iter->second;
    if (!sym->declarationSet() || sym->isDynamic()) continue;
    if (sym->isSystem() && cg.getOutput() != CodeGenerator::SystemCPP) continue;
    const string &name = sym->getName();
    ConstructPtr value = sym->getValue();
    printed = true;

    cg_printf(decl ? "extern const " : "const ");
    TypePtr type = sym->getFinalType();
    bool isString = type->is(Type::KindOfString);
    if (isString) {
      cg_printf("StaticString");
    } else {
      type->outputCPPDecl(cg, ar);
    }
    if (decl) {
      cg_printf(" %s%s", Option::ConstantPrefix,
                cg.formatLabel(name).c_str());
    } else {
      cg_printf(" %s%s", Option::ConstantPrefix,
                cg.formatLabel(name).c_str());
      cg_printf(isString ? "(" : " = ");
      if (value) {
        ExpressionPtr exp = dynamic_pointer_cast<Expression>(value);
        ASSERT(!exp->getExpectedType());
        ScalarExpressionPtr scalarExp =
          dynamic_pointer_cast<ScalarExpression>(exp);
        if (isString && scalarExp) {
          cg_printf("LITSTR_INIT(%s)",
                    scalarExp->getCPPLiteralString(cg).c_str());
        } else {
          exp->outputCPP(cg, ar);
        }
      } else {
        cg_printf("\"%s\"", cg.escapeLabel(name).c_str());
      }
      if (isString) {
        cg_printf(")");
      }
    }
    cg_printf(";\n");
  }
  if (printed) {
    cg_printf("\n");
  }
}
コード例 #2
0
void MethodStatement::outputCPPStaticMethodWrapper(CodeGenerator &cg,
                                                   AnalysisResultPtr ar,
                                                   const char *cls) {
  if (!m_modifiers->isStatic() || !m_stmt) return;

  CodeGenerator::Context context = cg.getContext();
  FunctionScopePtr funcScope = m_funcScope.lock();

  bool isWrapper = context == CodeGenerator::CppTypedParamsWrapperDecl ||
    context == CodeGenerator::CppTypedParamsWrapperImpl;

  bool needsWrapper = isWrapper ||
    (Option::HardTypeHints && funcScope->needsTypeCheckWrapper());

  m_modifiers->outputCPP(cg, ar);
  TypePtr type = funcScope->getReturnType();
  if (type) {
    type->outputCPPDecl(cg, ar);
  } else {
    cg_printf("void");
  }
  cg_printf(" %s%s(", needsWrapper && !isWrapper ?
            Option::TypedMethodPrefix : Option::MethodPrefix,
            cg.formatLabel(m_name).c_str());
  if (!isWrapper) cg.setContext(CodeGenerator::CppStaticMethodWrapper);
  funcScope->outputCPPParamsDecl(cg, ar, m_params, true);
  cg_printf(") { %s%s%s(", type ? "return " : "",
            needsWrapper && !isWrapper ?
            Option::TypedMethodImplPrefix : Option::MethodImplPrefix,
            cg.formatLabel(m_name).c_str());
  cg_printf("%s%s::s_class_name", Option::ClassPrefix, cls);
  cg.setContext(context);
  if (funcScope->isVariableArgument()) {
    cg_printf(", num_args");
  }
  if (m_params) {
    for (int i = 0; i < m_params->getCount(); i++) {
      ParameterExpressionPtr param =
        dynamic_pointer_cast<ParameterExpression>((*m_params)[i]);
      ASSERT(param);
      cg_printf(", %s%s", Option::VariablePrefix, param->getName().c_str());
    }
  }
  if (funcScope->isVariableArgument()) {
    cg_printf(", args");
  }
  cg_printf("); }\n");
  if (!isWrapper && needsWrapper) {
    cg.setContext(CodeGenerator::CppTypedParamsWrapperDecl);
    outputCPPStaticMethodWrapper(cg, ar, cls);
    cg.setContext(context);
  }
}
コード例 #3
0
void FunctionScope::outputCPPCreateImpl(CodeGenerator &cg,
                                        AnalysisResultPtr ar) {
  ClassScopePtr scope = ar->getClassScope();
  string clsNameStr = scope->getId(cg);
  const char *clsName = clsNameStr.c_str();
  const char *consName = scope->classNameCtor() ? scope->getName().c_str()
                                                : "__construct";

  cg_printf("%s%s *%s%s::create(",
            Option::ClassPrefix, clsName, Option::ClassPrefix, clsName);
  outputCPPParamsImpl(cg, ar);
  cg_indentBegin(") {\n");
  cg_printf("CountableHelper h(this);\n");
  cg_printf("init();\n");
  cg_printf("%s%s(", Option::MethodPrefix, consName);
  outputCPPParamsCall(cg, ar, false);
  cg_printf(");\n");
  cg_printf("return this;\n");
  cg_indentEnd("}\n");
  cg_indentBegin("ObjectData *%s%s::dynCreate(CArrRef params, "
                 "bool construct /* = true */) {\n",
                 Option::ClassPrefix, clsName);
  cg_printf("init();\n");
  cg_indentBegin("if (construct) {\n");
  cg_printf("CountableHelper h(this);\n");
  OutputCPPDynamicInvokeCount(cg);
  outputCPPDynamicInvoke(cg, ar, Option::MethodPrefix,
                         cg.formatLabel(consName).c_str(),
                         true, false, false, NULL, true);
  cg_indentEnd("}\n");
  cg_printf("return this;\n");
  cg_indentEnd("}\n");
  if (isDynamic() || isSepExtension()) {
    cg_indentBegin("void %s%s::dynConstruct(CArrRef params) {\n",
                   Option::ClassPrefix, clsName);
    OutputCPPDynamicInvokeCount(cg);
    outputCPPDynamicInvoke(cg, ar, Option::MethodPrefix,
                           cg.formatLabel(consName).c_str(),
                           true, false, false, NULL, true);
    cg_indentEnd("}\n");
    if (cg.getOutput() == CodeGenerator::SystemCPP ||
        Option::EnableEval >= Option::LimitedEval) {
      cg_indentBegin("void %s%s::dynConstructFromEval("
                     "Eval::VariableEnvironment &env, "
                     "const Eval::FunctionCallExpression *caller) {\n",
                     Option::ClassPrefix, clsName);
      outputCPPEvalInvoke(cg, ar, Option::MethodPrefix,
                          cg.formatLabel(consName).c_str(), NULL, false);
      cg_indentEnd("}\n");
    }
  }
}
コード例 #4
0
ファイル: simple_variable.cpp プロジェクト: dclark/hiphop-php
void SimpleVariable::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
  if (m_this) {
    ASSERT((getContext() & ObjectContext) == 0);
    if (hasContext(OprLValue) || hasContext(AssignmentLHS)) {
      cg_printf("throw_assign_this()");
    } else if (hasContext(DeepOprLValue) ||
               hasContext(DeepAssignmentLHS) ||
               hasContext(LValue)) {
      // $this[] op= ...; or $this[] = ...
      cg_printf("Variant(GET_THIS())");
    } else {
      ClassScopePtr cls = getOriginalClass();
      if (cls->derivedByDynamic()) {
        cg_printf("Object(GET_THIS())");
      } else {
        cg_printf("GET_THIS_TYPED(%s)", cls->getId(cg).c_str());
      }
    }
  } else if (m_superGlobal) {
    VariableTablePtr variables = getScope()->getVariables();
    string name = variables->getGlobalVariableName(cg, ar, m_name);
    cg_printf("g->%s", name.c_str());
  } else if (m_globals) {
    cg_printf("get_global_array_wrapper()");
  } else {
    const char *prefix =
      getScope()->getVariables()->getVariablePrefix(m_sym);
    cg_printf("%s%s", prefix, cg.formatLabel(m_name).c_str());
  }
}
コード例 #5
0
std::string FunctionScope::getId(CodeGenerator &cg) const {
  string name = cg.formatLabel(getOriginalName());
  if (m_redeclaring < 0) {
    return name;
  }
  return name + Option::IdPrefix +
    boost::lexical_cast<std::string>(m_redeclaring);
}
コード例 #6
0
ファイル: constant_table.cpp プロジェクト: F4m3uS/hiphop-php
void ConstantTable::collectCPPGlobalSymbols(StringPairVec &symbols,
                                            CodeGenerator &cg,
                                            AnalysisResultPtr ar) {
  for (StringToSymbolMap::iterator iter = m_symbolMap.begin(),
         end = m_symbolMap.end(); iter != end; ++iter) {
    Symbol *sym = &iter->second;
    if (sym->declarationSet() && sym->isDynamic()) {
      string varname = Option::ConstantPrefix + cg.formatLabel(sym->getName());
      symbols.push_back(pair<string, string>(varname, varname));
    }
  }
}
コード例 #7
0
ファイル: constant_table.cpp プロジェクト: F4m3uS/hiphop-php
void ConstantTable::outputCPPDynamicImpl(CodeGenerator &cg,
                                         AnalysisResultPtr ar) {
  for (StringToSymbolMap::iterator iter = m_symbolMap.begin(),
         end = m_symbolMap.end(); iter != end; ++iter) {
    Symbol *sym = &iter->second;
    if (sym->declarationSet() && sym->isDynamic()) {
      cg_printf("%s%s = \"%s\";\n", Option::ConstantPrefix,
                cg.formatLabel(sym->getName()).c_str(),
                cg.escapeLabel(sym->getName()).c_str());
    }
  }
}
コード例 #8
0
ファイル: constant_table.cpp プロジェクト: F4m3uS/hiphop-php
void ConstantTable::outputCPPDynamicDecl(CodeGenerator &cg,
                                         AnalysisResultPtr ar) {
  const char *prefix = Option::ConstantPrefix;
  string classId;
  const char *fmt = "Variant %s%s%s;\n";
  ClassScopePtr scope = ar->getClassScope();
  if (scope) {
    prefix = Option::ClassConstantPrefix;
    classId = scope->getId(cg);
    fmt = "Variant %s%s_%s;\n";
  }

  for (StringToSymbolMap::iterator iter = m_symbolMap.begin(),
         end = m_symbolMap.end(); iter != end; ++iter) {
    Symbol *sym = &iter->second;
    if (sym->declarationSet() && sym->isDynamic()) {
      cg_printf(fmt, prefix, classId.c_str(),
                cg.formatLabel(sym->getName()).c_str());
    }
  }
}
コード例 #9
0
void SimpleVariable::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
  if (m_this) {
    ASSERT((getContext() & ObjectContext) == 0);
    if (hasContext(LValue)) {
      // LValue and not ObjectContext must be $this = or $this[..] =
      // Wrap with Variant to avoid compiler error
      cg_printf("Variant(GET_THIS())");
    } else {
      cg_printf("GET_THIS()");
    }
  } else if (m_superGlobal) {
    VariableTablePtr variables = ar->getScope()->getVariables();
    string name = variables->getGlobalVariableName(cg, ar, m_name);
    cg_printf("g->%s", name.c_str());
  } else if (m_globals) {
    cg_printf("get_global_array_wrapper()");
  } else {
    const char *prefix =
      ar->getScope()->getVariables()->getVariablePrefix(ar, m_name);
    cg_printf("%s%s", prefix, cg.formatLabel(m_name).c_str());
  }
}
コード例 #10
0
ファイル: constant_table.cpp プロジェクト: dclark/hiphop-php
void ConstantTable::outputCPPDynamicDecl(CodeGenerator &cg,
                                         AnalysisResultPtr ar,
                                         Type2SymbolListMap &type2names) {
  const char *prefix = Option::ConstantPrefix;
  string classId;
  const char *fmt = "";
  ClassScopePtr scope = getClassScope();
  if (scope) {
    prefix = Option::ClassConstantPrefix;
    classId = scope->getId(cg);
    fmt = "_";
  }

  bool system = cg.getOutput() == CodeGenerator::SystemCPP;

  SymbolList &symbols = type2names["Variant"];
  BOOST_FOREACH(Symbol *sym, m_symbolVec) {
    if (sym->declarationSet() && sym->isDynamic() &&
        system == sym->isSystem()) {
      symbols.push_back(string(prefix) + classId + fmt +
                        cg.formatLabel(sym->getName()));
    }
  }
}
コード例 #11
0
void ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
  ClassScopePtr classScope = m_classScope.lock();
  if (cg.getContext() == CodeGenerator::NoContext) {
    if (classScope->isRedeclaring()) {
      cg_printf("g->%s%s = ClassStaticsPtr(NEW(%s%s)());\n",
                Option::ClassStaticsObjectPrefix,
                cg.formatLabel(m_name).c_str(),
                Option::ClassStaticsPrefix, classScope->getId(cg).c_str());
      cg_printf("g->%s%s = &%s%s;\n",
                Option::ClassStaticsCallbackPrefix,
                cg.formatLabel(m_name).c_str(),
                Option::ClassWrapperFunctionPrefix,
                classScope->getId(cg).c_str());
    }
    if (classScope->isVolatile()) {
      cg_printf("g->CDEC(%s) = true;\n", m_name.c_str());
    }
    const vector<string> &bases = classScope->getBases();
    for (vector<string>::const_iterator it = bases.begin();
         it != bases.end(); ++it) {
      ClassScopePtr base = ar->findClass(*it);
      if (base && base->isVolatile()) {
        cg_printf("checkClassExists(\"%s\", g);\n",
                  base->getOriginalName().c_str());
      }
    }
    return;
  }

  if (cg.getContext() != CodeGenerator::CppForwardDeclaration) {
    printSource(cg);
  }

  ar->pushScope(classScope);
  string clsNameStr = classScope->getId(cg);
  const char *clsName = clsNameStr.c_str();
  bool redeclared = classScope->isRedeclaring();
  switch (cg.getContext()) {
  case CodeGenerator::CppForwardDeclaration:
    if (Option::GenerateCPPMacros) {
      cg_printf("FORWARD_DECLARE_CLASS(%s)\n", clsName);
      if (redeclared) {
        cg_printf("FORWARD_DECLARE_REDECLARED_CLASS(%s)\n", clsName);
      }
    }
    if (m_stmt) {
      cg.setContext(CodeGenerator::CppClassConstantsDecl);
      m_stmt->outputCPP(cg, ar);
      cg.setContext(CodeGenerator::CppForwardDeclaration);
    }
    break;
  case CodeGenerator::CppDeclaration:
    {
      bool system = cg.getOutput() == CodeGenerator::SystemCPP;
      ClassScopePtr parCls;
      if (!m_parent.empty()) {
        parCls = ar->findClass(m_parent);
        if (parCls && parCls->isRedeclaring()) parCls.reset();
      }
      cg_printf("class %s%s", Option::ClassPrefix, clsName);
      if (!m_parent.empty() && classScope->derivesDirectlyFrom(ar, m_parent)) {
        if (!parCls) {
          cg_printf(" : public DynamicObjectData");
        } else {
          cg_printf(" : public %s%s", Option::ClassPrefix,
                    parCls->getId(cg).c_str());
        }
      } else {
        if (classScope->derivesFromRedeclaring()) {
          cg_printf(" : public DynamicObjectData");
        } else if (system) {
          cg_printf(" : public ExtObjectData");
        } else {
          cg_printf(" : public ObjectData");
        }
      }
      if (m_base && Option::UseVirtualDispatch) {
        for (int i = 0; i < m_base->getCount(); i++) {
          ScalarExpressionPtr exp =
            dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
          const char *intf = exp->getString().c_str();
          ClassScopePtr intfClassScope = ar->findClass(intf);
          if (intfClassScope && !intfClassScope->isRedeclaring() &&
              classScope->derivesDirectlyFrom(ar, intf) &&
              (!parCls || !parCls->derivesFrom(ar, intf, true, false))) {
            string id = intfClassScope->getId(cg);
            cg_printf(", public %s%s", Option::ClassPrefix, id.c_str());
          }
        }
      }
      cg_indentBegin(" {\n");

      if (Option::GenerateCPPMacros) {
        // Get all of this class's ancestors
        vector<string> bases;
        getAllParents(ar, bases);
        // Eliminate duplicates
        sort(bases.begin(), bases.end());
        bases.erase(unique(bases.begin(), bases.end()), bases.end());

        cg_indentBegin("BEGIN_CLASS_MAP(%s)\n",
                       Util::toLower(classScope->getName()).c_str());
        for (unsigned int i = 0; i < bases.size(); i++) {
          cg_printf("PARENT_CLASS(%s)\n", bases[i].c_str());
        }
        if (classScope->derivesFromRedeclaring()) {
          cg_printf("CLASS_MAP_REDECLARED()\n");
        }
        cg_indentEnd("END_CLASS_MAP(%s)\n", clsName);
      }

      if (Option::GenerateCPPMacros) {
        bool dyn = (!parCls && !m_parent.empty()) ||
          classScope->derivesFromRedeclaring() ==
          ClassScope::DirectFromRedeclared;
        bool idyn = parCls && classScope->derivesFromRedeclaring() ==
          ClassScope::IndirectFromRedeclared;
        bool redec = classScope->isRedeclaring();
        if (!classScope->derivesFromRedeclaring()) {
          outputCPPClassDecl(cg, ar, clsName, m_originalName.c_str(),
                             parCls ? parCls->getId(cg).c_str() : "ObjectData");
        } else {
          cg_printf("DECLARE_DYNAMIC_CLASS(%s, %s, %s)\n", clsName,
                    m_originalName.c_str(),
                    dyn || !parCls ? "DynamicObjectData" :
                    parCls->getId(cg).c_str());
        }
        if (system || Option::EnableEval >= Option::LimitedEval) {
          cg_printf("DECLARE_INVOKES_FROM_EVAL\n");
        }
        if (dyn || idyn || redec) {
          if (redec) {
            cg_printf("DECLARE_ROOT;\n");
             if (!dyn && !idyn) {
               cg_printf("private: ObjectData* root;\n");
               cg_printf("public:\n");
               cg_printf("virtual ObjectData *getRoot() { return root; }\n");
             }
          }

          string conInit = ":";
          if (dyn) {
            conInit += "DynamicObjectData(\"" + m_parent + "\", r)";
          } else if (idyn) {
            conInit += string(Option::ClassPrefix) + parCls->getId(cg) +
              "(r?r:this)";
          } else {
            conInit += "root(r?r:this)";
          }

          cg_printf("%s%s(ObjectData* r = NULL)%s {}\n",
                    Option::ClassPrefix, clsName,
                    conInit.c_str());
        }
      }

      cg_printf("void init();\n",
                Option::ClassPrefix, clsName);

      if (classScope->needLazyStaticInitializer()) {
        cg_printf("static GlobalVariables *lazy_initializer"
                  "(GlobalVariables *g);\n");
      }

      classScope->getVariables()->outputCPPPropertyDecl(cg, ar,
          classScope->derivesFromRedeclaring());

      if (!classScope->getAttribute(ClassScope::HasConstructor)) {
        FunctionScopePtr func = classScope->findFunction(ar, "__construct",
                                                         false);
        if (func && !func->isAbstract() && !classScope->isInterface()) {
          ar->pushScope(func);
          func->outputCPPCreateDecl(cg, ar);
          ar->popScope();
        }
      }
      if (classScope->getAttribute(ClassScope::HasDestructor)) {
        cg_printf("public: virtual void destruct();\n");
      }

      // doCall
      if (classScope->getAttribute(ClassScope::HasUnknownMethodHandler)) {
        cg_printf("Variant doCall(Variant v_name, Variant v_arguments, "
                  "bool fatal);\n");
      }
      // doGet
      if (classScope->getAttribute(ClassScope::HasUnknownPropHandler)) {
        cg_printf("Variant doGet(Variant v_name, bool error);\n");
      }


      if (classScope->isRedeclaring() &&
          !classScope->derivesFromRedeclaring()) {
        cg_printf("Variant doRootCall(Variant v_name, Variant v_arguments, "
                  "bool fatal);\n");
      }

      if (m_stmt) m_stmt->outputCPP(cg, ar);
      {
        set<string> done;
        classScope->outputCPPStaticMethodWrappers(cg, ar, done, clsName);
      }

      if (cg.getOutput() == CodeGenerator::SystemCPP &&
          ar->isBaseSysRsrcClass(clsName) &&
          !classScope->hasProperty("rsrc")) {
        cg_printf("public: Variant %srsrc;\n", Option::PropertyPrefix);
      }

      cg_indentEnd("};\n");

      if (redeclared) {
        cg_indentBegin("class %s%s : public ClassStatics {\n",
                       Option::ClassStaticsPrefix, clsName);
        cg_printf("public:\n");
        cg_printf("DECLARE_OBJECT_ALLOCATION(%s%s);\n",
                  Option::ClassStaticsPrefix, clsName);
        cg_printf("%s%s() : ClassStatics(%d) {}\n",
                  Option::ClassStaticsPrefix, clsName,
                  classScope->getRedeclaringId());
        cg_indentBegin("Variant %sgetInit(const char *s, int64 hash = -1) {\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sgetInit(s, hash);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant %sget(const char *s, int64 hash = -1) {\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sget(s, hash);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant &%slval(const char* s, int64 hash = -1) {\n",
                  Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%slval(s, hash);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant %sinvoke(const char *c, const char *s, "
                       "CArrRef params, int64 hash = -1, bool fatal = true) "
                       "{\n",
                  Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sinvoke(c, s, params, hash, fatal);\n",
                  Option::ClassPrefix, clsName,
                  Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Object create(CArrRef params, bool init = true, "
                       "ObjectData* root = NULL) {\n");
        cg_printf("return Object((NEW(%s%s)(root))->"
                  "dynCreate(params, init));\n",
                  Option::ClassPrefix, clsName);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant %sconstant(const char* s) {\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sconstant(s);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant %sinvoke_from_eval(const char *c, "
                       "const char *s, Eval::VariableEnvironment &env, "
                       "const Eval::FunctionCallExpression *call, "
                       "int64 hash = -1, bool fatal = true) "
                       "{\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sinvoke_from_eval(c, s, env, call, hash, "
                  "fatal);\n",
                  Option::ClassPrefix, clsName,
                  Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentEnd("};\n");
      }

      classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
    }
    break;
  case CodeGenerator::CppImplementation:
    if (m_stmt) {
      cg.setContext(CodeGenerator::CppClassConstantsImpl);
      m_stmt->outputCPP(cg, ar);
      cg.setContext(CodeGenerator::CppImplementation);
    }

    classScope->outputCPPSupportMethodsImpl(cg, ar);

    if (redeclared) {
      cg_printf("IMPLEMENT_OBJECT_ALLOCATION(%s%s);\n",
                Option::ClassStaticsPrefix, clsName);
    }

    cg_indentBegin("void %s%s::init() {\n",
                   Option::ClassPrefix, clsName);
    if (!m_parent.empty()) {
      if (classScope->derivesFromRedeclaring() ==
          ClassScope::DirectFromRedeclared) {
        cg_printf("parent->init();\n");
      } else {
        cg_printf("%s%s::init();\n", Option::ClassPrefix, m_parent.c_str());
      }
    }
    if (classScope->getVariables()->
        getAttribute(VariableTable::NeedGlobalPointer)) {
      cg.printDeclareGlobals();
    }
    cg.setContext(CodeGenerator::CppConstructor);
    if (m_stmt) m_stmt->outputCPP(cg, ar);

    // This is lame. Exception base class needs to prepare stacktrace outside
    // of its PHP constructor. Every subclass of exception also needs this
    // stacktrace, so we're adding an artificial __init__ in exception.php
    // and calling it here.
    if (m_name == "exception") {
      cg_printf("{CountableHelper h(this); t___init__();}\n");
    }

    cg_indentEnd("}\n");

    if (classScope->needStaticInitializer()) {
      cg_indentBegin("void %s%s::os_static_initializer() {\n",
                     Option::ClassPrefix, clsName);
      cg.printDeclareGlobals();
      cg.setContext(CodeGenerator::CppStaticInitializer);
      if (m_stmt) m_stmt->outputCPP(cg, ar);
      cg_indentEnd("}\n");
      cg_indentBegin("void %s%s() {\n",
                     Option::ClassStaticInitializerPrefix, clsName);
      cg_printf("%s%s::os_static_initializer();\n",  Option::ClassPrefix,
                clsName);
      cg_indentEnd("}\n");
    }
    if (classScope->needLazyStaticInitializer()) {
      cg_indentBegin("GlobalVariables *%s%s::lazy_initializer("
                     "GlobalVariables *g) {\n", Option::ClassPrefix, clsName);
      cg_indentBegin("if (!g->%s%s) {\n",
                     Option::ClassStaticInitializerFlagPrefix, clsName);
      cg_printf("g->%s%s = true;\n", Option::ClassStaticInitializerFlagPrefix,
                clsName);
      cg.setContext(CodeGenerator::CppLazyStaticInitializer);
      if (m_stmt) m_stmt->outputCPP(cg, ar);
      cg_indentEnd("}\n");
      cg_printf("return g;\n");
      cg_indentEnd("}\n");
    }
    cg.setContext(CodeGenerator::CppImplementation);
    if (m_stmt) m_stmt->outputCPP(cg, ar);

    break;
  case CodeGenerator::CppFFIDecl:
  case CodeGenerator::CppFFIImpl:
    if (m_stmt) m_stmt->outputCPP(cg, ar);
    break;
  case CodeGenerator::JavaFFI:
    {
      if (classScope->isRedeclaring()) break;

      // TODO support PHP namespaces, once HPHP supports it
      string packageName = Option::JavaFFIRootPackage;
      string packageDir = packageName;
      Util::replaceAll(packageDir, ".", "/");

      string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
        packageDir + "/";
      Util::mkdir(outputDir);

      // uses a different cg to generate a separate file for each PHP class
      // also, uses the original capitalized class name
      string clsFile = outputDir + getOriginalName() + ".java";
      ofstream fcls(clsFile.c_str());
      CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
      cgCls.setContext(CodeGenerator::JavaFFI);

      cgCls.printf("package %s;\n\n", packageName.c_str());
      cgCls.printf("import hphp.*;\n\n");

      printSource(cgCls);

      string clsModifier;
      switch (m_type) {
      case T_CLASS:
        break;
      case T_ABSTRACT:
        clsModifier = "abstract ";
        break;
      case T_FINAL:
        clsModifier = "final ";
        break;
      }
      cgCls.printf("public %sclass %s ", clsModifier.c_str(),
                   getOriginalName().c_str());

      ClassScopePtr parCls;
      if (!m_parent.empty()) parCls = ar->findClass(m_parent);
      if (!m_parent.empty() && classScope->derivesDirectlyFrom(ar, m_parent)
          && parCls && parCls->isUserClass() && !parCls->isRedeclaring()) {
        // system classes are not supported in static FFI translation
        // they shouldn't appear as superclasses as well
        cgCls.printf("extends %s", parCls->getOriginalName().c_str());
      }
      else {
        cgCls.printf("extends HphpObject");
      }
      if (m_base) {
        bool first = true;
        for (int i = 0; i < m_base->getCount(); i++) {
          ScalarExpressionPtr exp =
            dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
          const char *intf = exp->getString().c_str();
          ClassScopePtr intfClassScope = ar->findClass(intf);
          if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
           && intfClassScope->isUserClass()) {
            if (first) {
              cgCls.printf(" implements ");
              first = false;
            }
            else {
              cgCls.printf(", ");
            }
            cgCls.printf(intfClassScope->getOriginalName().c_str());
          }
        }
      }

      cgCls.indentBegin(" {\n");

      // constructor for initializing the variant pointer
      cgCls.printf("protected %s(long ptr) { super(ptr); }\n\n",
                   getOriginalName().c_str());

      FunctionScopePtr cons = classScope->findConstructor(ar, true);
      if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
        // if not an abstract class and not having an explicit constructor,
        // adds a default constructor
        outputJavaFFIConstructor(cgCls, ar, cons);
      }

      if (m_stmt) m_stmt->outputCPP(cgCls, ar);
      cgCls.indentEnd("}\n");

      fcls.close();
    }
    break;
  case CodeGenerator::JavaFFICppDecl:
  case CodeGenerator::JavaFFICppImpl:
    {
      if (classScope->isRedeclaring()) break;

      if (m_stmt) m_stmt->outputCPP(cg, ar);
      FunctionScopePtr cons = classScope->findConstructor(ar, true);
      if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
        outputJavaFFICPPCreator(cg, ar, cons);
      }
    }
    break;
  default:
    ASSERT(false);
    break;
  }

  ar->popScope();
}
コード例 #12
0
void ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
  ClassScopeRawPtr classScope = getClassScope();
  if (cg.getContext() == CodeGenerator::NoContext) {
    if (classScope->isVolatile()) {
      string name = cg.formatLabel(m_name);
      if (classScope->isRedeclaring()) {
        cg_printf("g->%s%s = ClassStaticsPtr(NEWOBJ(%s%s)());\n",
                  Option::ClassStaticsObjectPrefix,
                  name.c_str(),
                  Option::ClassStaticsPrefix, classScope->getId(cg).c_str());
        cg_printf("g->%s%s = &%s%s;\n",
                  Option::ClassStaticsCallbackPrefix,
                  name.c_str(),
                  Option::ClassWrapperFunctionPrefix,
                  classScope->getId(cg).c_str());
      }
      cg_printf("g->CDEC(%s) = true;\n", name.c_str());

      const vector<string> &bases = classScope->getBases();
      for (vector<string>::const_iterator it = bases.begin();
           it != bases.end(); ++it) {
        if (cg.checkHoistedClass(*it)) continue;
        ClassScopePtr base = ar->findClass(*it);
        if (base && base->isVolatile()) {
          cg_printf("checkClassExists(");
          cg_printString(base->getOriginalName(), ar, shared_from_this());
          string lname = Util::toLower(base->getOriginalName());
          cg_printf(", &%s->CDEC(%s), %s->FVF(__autoload));\n",
                    cg.getGlobals(ar), cg.formatLabel(lname).c_str(),
                    cg.getGlobals(ar));
        }
      }
    }
    return;
  }

  if (cg.getContext() != CodeGenerator::CppForwardDeclaration) {
    printSource(cg);
  }

  string clsNameStr = classScope->getId(cg);
  const char *clsName = clsNameStr.c_str();
  bool redeclared = classScope->isRedeclaring();
  switch (cg.getContext()) {
  case CodeGenerator::CppDeclaration:
    {
      if (Option::GenerateCPPMacros) {
        classScope->outputForwardDeclaration(cg);
      }

      bool system = cg.getOutput() == CodeGenerator::SystemCPP;
      ClassScopePtr parCls;
      if (!m_parent.empty()) {
        parCls = ar->findClass(m_parent);
        if (parCls && parCls->isRedeclaring()) parCls.reset();
      }
      if (Option::GenerateCppLibCode) {
        cg.printDocComment(classScope->getDocComment());
      }
      cg_printf("class %s%s", Option::ClassPrefix, clsName);
      if (!m_parent.empty() && classScope->derivesDirectlyFrom(m_parent)) {
        if (!parCls) {
          cg_printf(" : public DynamicObjectData");
        } else {
          cg_printf(" : public %s%s", Option::ClassPrefix,
                    parCls->getId(cg).c_str());
        }
      } else {
        if (classScope->derivesFromRedeclaring()) {
          cg_printf(" : public DynamicObjectData");
        } else if (system) {
          cg_printf(" : public ExtObjectData");
        } else {
          cg_printf(" : public ObjectData");
        }
      }
      if (m_base && Option::UseVirtualDispatch) {
        for (int i = 0; i < m_base->getCount(); i++) {
          ScalarExpressionPtr exp =
            dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
          const char *intf = exp->getString().c_str();
          ClassScopePtr intfClassScope = ar->findClass(intf);
          if (intfClassScope && !intfClassScope->isRedeclaring() &&
              classScope->derivesDirectlyFrom(intf) &&
              (!parCls || !parCls->derivesFrom(ar, intf, true, false))) {
            string id = intfClassScope->getId(cg);
            cg_printf(", public %s%s", Option::ClassPrefix, id.c_str());
          }
        }
      }
      cg_indentBegin(" {\n");
      cg_printf("public:\n");

      cg.printSection("Properties");
      classScope->getVariables()->outputCPPPropertyDecl(cg, ar,
          classScope->derivesFromRedeclaring());

      if (Option::GenerateCppLibCode) {
        cg.printSection("Methods");
        classScope->outputMethodWrappers(cg, ar);
        cg.printSection(">>>>>>>>>> Internal Implementation <<<<<<<<<<");
        cg_printf("// NOTE: Anything below is subject to change. "
                  "Use everything above instead.\n");
      }

      cg.printSection("Class Map");
      if (Option::GenerateCPPMacros) {
        cg_printf("virtual bool o_instanceof(CStrRef s) const;\n");
      }

      if (Option::GenerateCPPMacros) {
        bool dyn = (!parCls && !m_parent.empty()) ||
          classScope->derivesFromRedeclaring() ==
          ClassScope::DirectFromRedeclared;
        bool idyn = parCls && classScope->derivesFromRedeclaring() ==
          ClassScope::IndirectFromRedeclared;
        bool redec = classScope->isRedeclaring();
        if (!classScope->derivesFromRedeclaring()) {
          outputCPPClassDecl(cg, ar, clsName, m_originalName.c_str(),
                             parCls ? parCls->getId(cg).c_str()
                                    : "ObjectData");
        } else {
          cg_printf("DECLARE_DYNAMIC_CLASS(%s, %s, %s)\n", clsName,
                    m_originalName.c_str(),
                    dyn || !parCls ? "DynamicObjectData" :
                    parCls->getId(cg).c_str());
        }

        bool hasGet = classScope->getAttribute(
          ClassScope::HasUnknownPropGetter);
        bool hasSet = classScope->getAttribute(
          ClassScope::HasUnknownPropSetter);
        bool hasCall = classScope->getAttribute(
          ClassScope::HasUnknownMethodHandler);
        bool hasCallStatic = classScope->getAttribute(
          ClassScope::HasUnknownStaticMethodHandler);

        if (dyn || idyn || redec || hasGet || hasSet ||
            hasCall || hasCallStatic) {
          if (redec && classScope->derivedByDynamic()) {
            if (!dyn && !idyn) {
              cg_printf("private: ObjectData* root;\n");
              cg_printf("public:\n");
              cg_printf("virtual ObjectData *getRoot() { return root; }\n");
            }
          }

          string conInit = "";
          bool hasParam = false;
          if (dyn) {
            conInit = " : DynamicObjectData(\"" + m_parent + "\", r)";
            hasParam = true;
          } else if (idyn) {
            conInit = " : " + string(Option::ClassPrefix) + parCls->getId(cg) +
              "(r ? r : this)";
            hasParam = true;
          } else {
            if (redec && classScope->derivedByDynamic()) {
              conInit = " : root(r ? r : this)";
            }
            hasParam = true;
          }

          cg_indentBegin("%s%s(%s)%s {%s",
                         Option::ClassPrefix, clsName,
                         hasParam ? "ObjectData* r = NULL" : "",
                         conInit.c_str(),
                         hasGet || hasSet || hasCall || hasCallStatic ?
                         "\n" : "");
          if (hasGet) cg_printf("setAttribute(UseGet);\n");
          if (hasSet) cg_printf("setAttribute(UseSet);\n");
          if (hasCall) cg_printf("setAttribute(HasCall);\n");
          if (hasCallStatic) cg_printf("setAttribute(HasCallStatic);\n");
          cg_indentEnd("}\n");
        }
      }

      cg_printf("void init();\n");

      if (classScope->needLazyStaticInitializer()) {
        cg_printf("static GlobalVariables *lazy_initializer"
                  "(GlobalVariables *g);\n");
      }

      if (!classScope->getAttribute(ClassScope::HasConstructor)) {
        FunctionScopePtr func = classScope->findFunction(ar, "__construct",
                                                         false);
        if (func && !func->isAbstract() && !classScope->isInterface()) {
          func->outputCPPCreateDecl(cg, ar);
        }
      }
      if (classScope->getAttribute(ClassScope::HasDestructor)) {
        cg_printf("public: virtual void destruct();\n");
      }

      // doCall
      if (classScope->getAttribute(ClassScope::HasUnknownMethodHandler)) {
        cg_printf("Variant doCall(Variant v_name, Variant v_arguments, "
                  "bool fatal);\n");
      }

      if (classScope->isRedeclaring() &&
          !classScope->derivesFromRedeclaring() &&
          classScope->derivedByDynamic()) {
        cg_printf("Variant doRootCall(Variant v_name, Variant v_arguments, "
                  "bool fatal);\n");
      }

      if (m_stmt) m_stmt->outputCPP(cg, ar);
      {
        set<string> done;
        classScope->outputCPPStaticMethodWrappers(cg, ar, done, clsName);
      }

      if (cg.getOutput() == CodeGenerator::SystemCPP &&
          ar->isBaseSysRsrcClass(clsName) &&
          !classScope->hasProperty("rsrc")) {
        cg_printf("public: Variant %srsrc;\n", Option::PropertyPrefix);
      }
      if (Option::GenerateCPPMacros) {
        classScope->outputCPPJumpTableDecl(cg, ar);
      }
      cg_indentEnd("};\n");

      if (redeclared) {
        cg_indentBegin("class %s%s : public ClassStatics {\n",
                       Option::ClassStaticsPrefix, clsName);
        cg_printf("public:\n");
        cg_printf("DECLARE_OBJECT_ALLOCATION(%s%s);\n",
                  Option::ClassStaticsPrefix, clsName);
        cg_printf("%s%s() : ClassStatics(%d) {}\n",
                  Option::ClassStaticsPrefix, clsName,
                  classScope->getRedeclaringId());
        cg_indentBegin("Variant %sgetInit(CStrRef s) {\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sgetInit(s);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant %sget(CStrRef s) {\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sget(s);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Variant &%slval(CStrRef s) {\n",
                  Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%slval(s);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("Object createOnly(ObjectData* root = NULL) {\n");
        cg_printf("Object r((NEWOBJ(%s%s)(root)));\n", Option::ClassPrefix,
            clsName);
        cg_printf("r->init();\n");
        cg_printf("return r;\n");
        cg_indentEnd("}\n");
        cg_indentBegin("Variant %sconstant(const char* s) {\n",
                       Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sconstant(s);\n", Option::ClassPrefix,
                  clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentBegin("bool %sget_call_info(MethodCallPackage &mcp, "
          "int64 hash = -1) {\n",
            Option::ObjectStaticPrefix);
        cg_printf("return %s%s::%sget_call_info(mcp, hash);\n",
            Option::ClassPrefix, clsName, Option::ObjectStaticPrefix);
        cg_indentEnd("}\n");
        cg_indentEnd("};\n");
      }

      if (m_stmt) {
        cg.setContext(CodeGenerator::CppClassConstantsDecl);
        m_stmt->outputCPP(cg, ar);
        cg.setContext(CodeGenerator::CppDeclaration);
      }

      classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
    }
    break;
  case CodeGenerator::CppImplementation:
    if (m_stmt) {
      cg.setContext(CodeGenerator::CppClassConstantsImpl);
      m_stmt->outputCPP(cg, ar);
      cg.setContext(CodeGenerator::CppImplementation);
    }

    classScope->outputCPPSupportMethodsImpl(cg, ar);

    if (redeclared) {
      cg_printf("IMPLEMENT_OBJECT_ALLOCATION(%s%s);\n",
                Option::ClassStaticsPrefix, clsName);
    }

    cg_indentBegin("void %s%s::init() {\n",
                   Option::ClassPrefix, clsName);
    if (!m_parent.empty()) {
      if (classScope->derivesFromRedeclaring() ==
          ClassScope::DirectFromRedeclared) {
        cg_printf("parent->init();\n");
      } else {

        ClassScopePtr parCls = ar->findClass(m_parent);
        cg_printf("%s%s::init();\n", Option::ClassPrefix,
                  parCls->getId(cg).c_str());
      }
    }
    if (classScope->getVariables()->
        getAttribute(VariableTable::NeedGlobalPointer)) {
      cg.printDeclareGlobals();
    }
    cg.setContext(CodeGenerator::CppConstructor);
    if (m_stmt) m_stmt->outputCPP(cg, ar);

    // This is lame. Exception base class needs to prepare stacktrace outside
    // of its PHP constructor. Every subclass of exception also needs this
    // stacktrace, so we're adding an artificial __init__ in exception.php
    // and calling it here.
    if (m_name == "exception") {
      cg_printf("{CountableHelper h(this); t___init__();}\n");
    }

    cg_indentEnd("}\n");

    if (classScope->needStaticInitializer()) {
      cg_indentBegin("void %s%s::os_static_initializer() {\n",
                     Option::ClassPrefix, clsName);
      cg.printDeclareGlobals();
      cg.setContext(CodeGenerator::CppStaticInitializer);
      if (m_stmt) m_stmt->outputCPP(cg, ar);
      cg_indentEnd("}\n");
      cg_indentBegin("void %s%s() {\n",
                     Option::ClassStaticInitializerPrefix, clsName);
      cg_printf("%s%s::os_static_initializer();\n",  Option::ClassPrefix,
                clsName);
      cg_indentEnd("}\n");
    }
    if (classScope->needLazyStaticInitializer()) {
      cg_indentBegin("GlobalVariables *%s%s::lazy_initializer("
                     "GlobalVariables *g) {\n", Option::ClassPrefix, clsName);
      cg_indentBegin("if (!g->%s%s) {\n",
                     Option::ClassStaticInitializerFlagPrefix, clsName);
      cg_printf("g->%s%s = true;\n", Option::ClassStaticInitializerFlagPrefix,
                clsName);
      cg.setContext(CodeGenerator::CppLazyStaticInitializer);
      if (m_stmt) m_stmt->outputCPP(cg, ar);
      cg_indentEnd("}\n");
      cg_printf("return g;\n");
      cg_indentEnd("}\n");
    }
    cg.setContext(CodeGenerator::CppImplementation);
    if (m_stmt) m_stmt->outputCPP(cg, ar);

    break;
  case CodeGenerator::CppFFIDecl:
  case CodeGenerator::CppFFIImpl:
    if (m_stmt) m_stmt->outputCPP(cg, ar);
    break;
  case CodeGenerator::JavaFFI:
    {
      if (classScope->isRedeclaring()) break;

      // TODO support PHP namespaces, once HPHP supports it
      string packageName = Option::JavaFFIRootPackage;
      string packageDir = packageName;
      Util::replaceAll(packageDir, ".", "/");

      string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
        packageDir + "/";
      Util::mkdir(outputDir);

      // uses a different cg to generate a separate file for each PHP class
      // also, uses the original capitalized class name
      string clsFile = outputDir + getOriginalName() + ".java";
      ofstream fcls(clsFile.c_str());
      CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
      cgCls.setContext(CodeGenerator::JavaFFI);

      cgCls.printf("package %s;\n\n", packageName.c_str());
      cgCls.printf("import hphp.*;\n\n");

      printSource(cgCls);

      string clsModifier;
      switch (m_type) {
      case T_CLASS:
        break;
      case T_ABSTRACT:
        clsModifier = "abstract ";
        break;
      case T_FINAL:
        clsModifier = "final ";
        break;
      }
      cgCls.printf("public %sclass %s ", clsModifier.c_str(),
                   getOriginalName().c_str());

      ClassScopePtr parCls;
      if (!m_parent.empty()) parCls = ar->findClass(m_parent);
      if (!m_parent.empty() && classScope->derivesDirectlyFrom(m_parent)
          && parCls && parCls->isUserClass() && !parCls->isRedeclaring()) {
        // system classes are not supported in static FFI translation
        // they shouldn't appear as superclasses as well
        cgCls.printf("extends %s", parCls->getOriginalName().c_str());
      }
      else {
        cgCls.printf("extends HphpObject");
      }
      if (m_base) {
        bool first = true;
        for (int i = 0; i < m_base->getCount(); i++) {
          ScalarExpressionPtr exp =
            dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
          const char *intf = exp->getString().c_str();
          ClassScopePtr intfClassScope = ar->findClass(intf);
          if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
           && intfClassScope->isUserClass()) {
            if (first) {
              cgCls.printf(" implements ");
              first = false;
            }
            else {
              cgCls.printf(", ");
            }
            cgCls.printf(intfClassScope->getOriginalName().c_str());
          }
        }
      }

      cgCls.indentBegin(" {\n");

      // constructor for initializing the variant pointer
      cgCls.printf("protected %s(long ptr) { super(ptr); }\n\n",
                   getOriginalName().c_str());

      FunctionScopePtr cons = classScope->findConstructor(ar, true);
      if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
        // if not an abstract class and not having an explicit constructor,
        // adds a default constructor
        outputJavaFFIConstructor(cgCls, ar, cons);
      }

      if (m_stmt) m_stmt->outputCPP(cgCls, ar);
      cgCls.indentEnd("}\n");

      fcls.close();
    }
    break;
  case CodeGenerator::JavaFFICppDecl:
  case CodeGenerator::JavaFFICppImpl:
    {
      if (classScope->isRedeclaring()) break;

      if (m_stmt) m_stmt->outputCPP(cg, ar);
      FunctionScopePtr cons = classScope->findConstructor(ar, true);
      if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
        outputJavaFFICPPCreator(cg, ar, cons);
      }
    }
    break;
  default:
    ASSERT(false);
    break;
  }
}
コード例 #13
0
void MethodStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
  FunctionScopePtr funcScope = m_funcScope.lock();
  ClassScopePtr scope = getClassScope();

  if (outputFFI(cg, ar)) return;

  cg.setPHPLineNo(-1);

  CodeGenerator::Context context = cg.getContext();

  if (context == CodeGenerator::CppImplementation) {
    printSource(cg);
  }

  bool isWrapper = context == CodeGenerator::CppTypedParamsWrapperDecl ||
    context == CodeGenerator::CppTypedParamsWrapperImpl;

  bool needsWrapper = isWrapper ||
    (Option::HardTypeHints && funcScope->needsTypeCheckWrapper());

  const char *prefix = needsWrapper && !isWrapper ?
    Option::TypedMethodPrefix : Option::MethodPrefix;

  switch (context) {
    case CodeGenerator::CppDeclaration:
    case CodeGenerator::CppTypedParamsWrapperDecl:
    {
      if (!m_stmt && !funcScope->isPerfectVirtual()) {
        cg_printf("// ");
      }

      m_modifiers->outputCPP(cg, ar);

      if (!m_stmt || m_name == "__offsetget_lval" ||
          funcScope->isPerfectVirtual()) {
        cg_printf("virtual ");
      }
      TypePtr type = funcScope->getReturnType();
      if (type) {
        type->outputCPPDecl(cg, ar);
      } else {
        cg_printf("void");
      }
      if (m_name == "__offsetget_lval") {
        cg_printf(" &___offsetget_lval(");
      } else if (m_modifiers->isStatic() && m_stmt) {
        // Static method wrappers get generated as support methods
        cg_printf(" %s%s(CStrRef cls%s",
                  needsWrapper && !isWrapper ?
                  Option::TypedMethodImplPrefix : Option::MethodImplPrefix,
                  cg.formatLabel(m_name).c_str(),
                  funcScope->isVariableArgument() ||
                  (m_params && m_params->getCount()) ? ", " : "");
      } else {
        cg_printf(" %s%s(", prefix, cg.formatLabel(m_name).c_str());
      }
      funcScope->outputCPPParamsDecl(cg, ar, m_params, true);
      if (m_stmt) {
        cg_printf(");\n");
      } else if (funcScope->isPerfectVirtual()) {
        cg_printf(") { return throw_fatal(\"pure virtual\");}\n");
      } else {
        cg_printf(") = 0;\n");
      }

      if (context != CodeGenerator::CppTypedParamsWrapperDecl) {
        if (funcScope->isConstructor(scope)
            && !funcScope->isAbstract() && !scope->isInterface()) {
          funcScope->outputCPPCreateDecl(cg, ar);
        }
        if (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()) {
          cg.setContext(CodeGenerator::CppTypedParamsWrapperDecl);
          outputCPPImpl(cg, ar);
          cg.setContext(context);
        }
      }
    }
    break;
    case CodeGenerator::CppImplementation:
    case CodeGenerator::CppTypedParamsWrapperImpl:
      if (m_stmt) {
        TypePtr type = funcScope->getReturnType();
        if (type) {
          type->outputCPPDecl(cg, ar);
        } else {
          cg_printf("void");
        }
        string origFuncName = getOriginalFullName();
        string funcSection = Option::FunctionSections[origFuncName];
        if (!funcSection.empty()) {
          cg_printf(" __attribute__ ((section (\".text.%s\")))",
                    funcSection.c_str());
        }

        if (m_name == "__offsetget_lval") {
          cg_printf(" &%s%s::___offsetget_lval(",
                    Option::ClassPrefix, scope->getId(cg).c_str());
        } else if (m_modifiers->isStatic()) {
          cg_printf(" %s%s::%s%s(CStrRef cls%s", Option::ClassPrefix,
                    scope->getId(cg).c_str(),
                    needsWrapper && !isWrapper ?
                    Option::TypedMethodImplPrefix : Option::MethodImplPrefix,
                    cg.formatLabel(m_name).c_str(),
                    funcScope->isVariableArgument() ||
                    (m_params && m_params->getCount()) ? ", " : "");
        } else {
          cg_printf(" %s%s::%s%s(", Option::ClassPrefix,
                    scope->getId(cg).c_str(),
                    prefix, cg.formatLabel(m_name).c_str());
        }
        funcScope->outputCPPParamsDecl(cg, ar, m_params, false);
        cg_indentBegin(") {\n");
        if (context != CodeGenerator::CppTypedParamsWrapperImpl) {
          if (m_stmt->hasBody()) {
            const char *sys =
              (cg.getOutput() == CodeGenerator::SystemCPP ? "_BUILTIN" : "");
            if (m_modifiers->isStatic()) {
              cg_printf("STATIC_METHOD_INJECTION%s(%s, %s);\n", sys,
                        scope->getOriginalName().c_str(), origFuncName.c_str());
            } else if (cg.getOutput() != CodeGenerator::SystemCPP &&
                       !scope->isRedeclaring() && !scope->derivedByDynamic()) {
              cg_printf("INSTANCE_METHOD_INJECTION_ROOTLESS(%s, %s);\n",
                        scope->getOriginalName().c_str(), origFuncName.c_str());
            } else {
              cg_printf("INSTANCE_METHOD_INJECTION%s(%s, %s);\n", sys,
                        scope->getOriginalName().c_str(), origFuncName.c_str());
            }
          }
          outputCPPArgInjections(cg, ar, origFuncName.c_str(),
                                 scope, funcScope);
          if (m_name == "__offsetget_lval") {
            ParameterExpressionPtr param =
              dynamic_pointer_cast<ParameterExpression>((*m_params)[0]);
            cg_printf("Variant &v = %s->__lvalProxy;\n", cg.getGlobals(ar));
            string lowered = Util::toLower(m_originalName);
            cg_printf("v = %s%s(%s%s);\n",
                      prefix, lowered.c_str(),
                      Option::VariablePrefix, param->getName().c_str());
            cg_printf("return v;\n");
          } else {
            if (funcScope->isConstructor(scope)) {
              cg_printf("bool oldInCtor = gasInCtor(true);\n");
            } else if (m_name == "__destruct") {
              cg_printf("setInDtor();\n");
            }
            funcScope->outputCPP(cg, ar);
            cg.setContext(
              CodeGenerator::NoContext); // no inner functions/classes
            if (!funcScope->isStatic() && funcScope->getVariables()->
                getAttribute(VariableTable::ContainsDynamicVariable)) {
              cg_printf("%sthis = this;\n", Option::VariablePrefix);
            }
            outputCPPStmt(cg, ar);
          }
          cg_indentEnd("}\n");
          if (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()) {
            cg.setContext(CodeGenerator::CppTypedParamsWrapperImpl);
            outputCPPImpl(cg, ar);
          }
        } else {
          outputCPPTypeCheckWrapper(cg, ar);
          cg_indentEnd("}\n");
        }
        cg.setContext(context);
        cg.printImplSplitter();
      }
      break;
    default:
      break;
  }
}
コード例 #14
0
void FunctionStatement::outputCPPImpl(CodeGenerator &cg,
                                      AnalysisResultPtr ar) {
  CodeGenerator::Context context = cg.getContext();

  FunctionScopeRawPtr funcScope = getFunctionScope();
  string fname = funcScope->getId(cg);
  bool pseudoMain = funcScope->inPseudoMain();
  string origFuncName = !pseudoMain ? funcScope->getOriginalName() :
          ("run_init::" + funcScope->getContainingFile()->getName());
  string funcSection;

  if (outputFFI(cg, ar)) return;

  if (context == CodeGenerator::NoContext) {
    string rname = cg.formatLabel(m_name);
    if (funcScope->isRedeclaring()) {
      cg.printf("g->GCI(%s) = &%s%s;\n", m_name.c_str(),
                Option::CallInfoPrefix, fname.c_str());
    }
    if (funcScope->isVolatile()) {
      cg_printf("g->declareFunctionLit(");
      cg_printString(m_name, ar, shared_from_this());
      cg_printf(");\n");
      cg_printf("g->FVF(%s) = true;\n", rname.c_str());
    }
    return;
  }

  if (context == CodeGenerator::CppDeclaration &&
      !funcScope->isInlined()) return;

  if (context == CodeGenerator::CppPseudoMain &&
      !pseudoMain) return;
  if (context == CodeGenerator::CppImplementation &&
      (funcScope->isInlined() || pseudoMain)) return;

  cg.setPHPLineNo(-1);

  if (pseudoMain && !Option::GenerateCPPMain) {
    if (context == CodeGenerator::CppPseudoMain) {
      if (cg.getOutput() != CodeGenerator::SystemCPP) {
        cg.setContext(CodeGenerator::NoContext); // no inner functions/classes
        funcScope->getVariables()->setAttribute(VariableTable::ForceGlobal);
        outputCPPStmt(cg, ar);
        funcScope->getVariables()->clearAttribute(VariableTable::ForceGlobal);
        cg.setContext(CodeGenerator::CppPseudoMain);
        return;
      }
    } else if (context == CodeGenerator::CppForwardDeclaration &&
               cg.getOutput() != CodeGenerator::SystemCPP) {
      return;
    }
  }

  if (context == CodeGenerator::CppImplementation) {
    printSource(cg);
  } else if (context == CodeGenerator::CppForwardDeclaration &&
             Option::GenerateCppLibCode) {
    cg_printf("\n");
    printSource(cg);
    cg.printDocComment(funcScope->getDocComment());
  }

  bool isWrapper = context == CodeGenerator::CppTypedParamsWrapperDecl ||
    context == CodeGenerator::CppTypedParamsWrapperImpl;

  bool needsWrapper = isWrapper ||
    (Option::HardTypeHints && funcScope->needsTypeCheckWrapper());

  if (funcScope->isInlined()) cg_printf("inline ");

  TypePtr type = funcScope->getReturnType();
  if (type) {
    type->outputCPPDecl(cg, ar, getScope());
  } else {
    cg_printf("void");
  }

  funcSection = Option::FunctionSections[origFuncName];
  if (!funcSection.empty()) {
    cg_printf(" __attribute__ ((section (\".text.%s\")))",
              funcSection.c_str());
  }

  if (pseudoMain) {
    cg_printf(" %s%s(", Option::PseudoMainPrefix,
              funcScope->getContainingFile()->pseudoMainName().c_str());
  } else {
    cg_printf(" %s%s(",
              needsWrapper && !isWrapper ?
              Option::TypedFunctionPrefix : Option::FunctionPrefix,
              fname.c_str());
  }

  switch (context) {
    case CodeGenerator::CppForwardDeclaration:
    case CodeGenerator::CppTypedParamsWrapperDecl:
      funcScope->outputCPPParamsDecl(cg, ar, m_params, true);
      cg_printf(");\n");
      if (!isWrapper) {
        if (funcScope->hasDirectInvoke()) {
          cg_printf("Variant %s%s(void *extra, CArrRef params);\n",
                    Option::InvokePrefix, fname.c_str());
        }
        if (needsWrapper) {
          cg.setContext(CodeGenerator::CppTypedParamsWrapperDecl);
          outputCPPImpl(cg, ar);
          cg.setContext(context);
        }
      }
      break;
    case CodeGenerator::CppDeclaration:
    case CodeGenerator::CppImplementation:
    case CodeGenerator::CppPseudoMain:
    case CodeGenerator::CppTypedParamsWrapperImpl:
    {
      funcScope->outputCPPParamsDecl(cg, ar, m_params, false);
      cg_indentBegin(") {\n");
      if (!isWrapper) {
        const char *sys =
          (cg.getOutput() == CodeGenerator::SystemCPP ? "_BUILTIN" : "");
        if (pseudoMain) {
          cg_printf("PSEUDOMAIN_INJECTION%s(%s, %s%s);\n",
                    sys, origFuncName.c_str(), Option::PseudoMainPrefix,
                    funcScope->getContainingFile()->pseudoMainName().c_str());
        } else {
          if (m_stmt->hasBody()) {
            cg_printf("FUNCTION_INJECTION%s(%s);\n", sys,
                      origFuncName.c_str());
          }
          outputCPPArgInjections(cg, ar, origFuncName.c_str(),
                                 ClassScopePtr(), funcScope);
        }
        funcScope->outputCPP(cg, ar);
        cg.setContext(CodeGenerator::NoContext); // no inner functions/classes
        outputCPPStmt(cg, ar);
        cg_indentEnd("}\n");
        if (needsWrapper) {
          cg.setContext(CodeGenerator::CppTypedParamsWrapperImpl);
          outputCPPImpl(cg, ar);
        }
        cg.setContext(context);
      } else {
        outputCPPTypeCheckWrapper(cg, ar);
        cg_indentEnd("}\n");
      }
      cg.printImplSplitter();
    }
    break;
    default:
      ASSERT(false);
  }
}
コード例 #15
0
void InterfaceStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
  ClassScopeRawPtr classScope = getClassScope();
  if (cg.getContext() == CodeGenerator::NoContext) {
    if (classScope->isVolatile()) {
      cg_printf("g->CDEC(%s) = true;\n", cg.formatLabel(m_name).c_str());
    }
    return;
  }

  string clsNameStr = classScope->getId(cg);
  const char *clsName = clsNameStr.c_str();

  switch (cg.getContext()) {
  case CodeGenerator::CppForwardDeclaration:
    if (Option::GenerateCPPMacros) {
      if (!Option::UseVirtualDispatch ||
          classScope->isRedeclaring()) {
        cg_printf("FORWARD_DECLARE_GENERIC_INTERFACE(%s);\n", clsName);
      } else {
        cg_printf("FORWARD_DECLARE_INTERFACE(%s);\n", clsName);
      }
    }
    break;
  case CodeGenerator::CppDeclaration:
    {
      printSource(cg);
      cg_printf("class %s%s", Option::ClassPrefix, clsName);
      if (m_base && Option::UseVirtualDispatch &&
          !classScope->isRedeclaring()) {
        const char *sep = " :";
        for (int i = 0; i < m_base->getCount(); i++) {
          ScalarExpressionPtr exp =
            dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
          const char *intf = exp->getString().c_str();
          ClassScopePtr intfClassScope = ar->findClass(intf);
          if (intfClassScope && !intfClassScope->isRedeclaring() &&
              classScope->derivesDirectlyFrom(ar, intf)) {
            string id = intfClassScope->getId(cg);
            cg_printf("%s public %s%s", sep, Option::ClassPrefix, id.c_str());
            sep = ",";
          }
        }
      }
      cg_indentBegin(" {\n");
      if (m_stmt) m_stmt->outputCPP(cg, ar);
      cg_indentEnd("};\n");
    }
    break;
  case CodeGenerator::CppImplementation:
    // do nothing
    break;
  case CodeGenerator::CppFFIDecl:
  case CodeGenerator::CppFFIImpl:
    // do nothing
    break;
  case CodeGenerator::JavaFFI:
    {
      // TODO support PHP namespaces, once HPHP supports it
      string packageName = Option::JavaFFIRootPackage;
      string packageDir = packageName;
      Util::replaceAll(packageDir, ".", "/");

      string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
        packageDir + "/";
      Util::mkdir(outputDir);

      // uses a different cg to generate a separate file for each PHP class
      string clsFile = outputDir + getOriginalName() + ".java";
      ofstream fcls(clsFile.c_str());
      CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
      cgCls.setContext(CodeGenerator::JavaFFIInterface);

      cgCls.printf("package %s;\n\n", packageName.c_str());
      cgCls.printf("import hphp.*;\n\n");

      cgCls.printf("public interface %s", getOriginalName().c_str());
      if (m_base) {
        bool first = true;
        for (int i = 0; i < m_base->getCount(); i++) {
          ScalarExpressionPtr exp =
            dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
          const char *intf = exp->getString().c_str();
          ClassScopePtr intfClassScope = ar->findClass(intf);
          if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
           && intfClassScope->isUserClass()) {
            if (first) {
              cgCls.printf(" extends ");
              first = false;
            }
            else {
              cgCls.printf(", ");
            }
            cgCls.printf(intfClassScope->getOriginalName().c_str());
          }
        }
      }

      cgCls.indentBegin(" {\n");
      if (m_stmt) m_stmt->outputCPP(cgCls, ar);
      cgCls.indentEnd("}\n");

      fcls.close();
    }
    break;
  case CodeGenerator::JavaFFICppDecl:
  case CodeGenerator::JavaFFICppImpl:
    // do nothing
    break;
  default:
    ASSERT(false);
    break;
  }
}
コード例 #16
0
void FunctionScope::outputMethodWrapper(CodeGenerator &cg,
                                        AnalysisResultPtr ar) {
  cg_printf("\n");
  if (m_stmt) {
    m_stmt->printSource(cg);
  }
  cg.printDocComment(m_docComment);

  int minCount = getMinParamCount();
  int maxCount = getMaxParamCount();

  for (int count = minCount; count <= maxCount; count++) {
    if (isStatic()) cg_printf("static ");
    TypePtr type = getReturnType();
    if (type) {
      type->outputCPPDecl(cg, ar);
    } else {
      cg_printf("void");
    }

    cg_printf(" %s%s(", Option::MethodWrapperPrefix, getId(cg).c_str());
    for (int i = 0; i < count; i++) {
      if (i > 0) cg_printf(", ");
      getParamType(i)->outputCPPDecl(cg, ar);
      cg_printf(" %s%s", Option::VariablePrefix, getParamName(i).c_str());
    }
    if (isVariableArgument()) {
      if (count) cg_printf(", ");
      cg_printf("Array args = Array()");
    }
    cg_indentBegin(") {\n");

    if ((isStatic() || isPerfectVirtual() || !isVirtual()) &&
        !isRedeclaring()) {

      if (type) cg_printf("return ");
      cg_printf("%s%s(", Option::MethodPrefix, cg.formatLabel(m_name).c_str());
      if (isVariableArgument()) {
        cg_printf("args.size() + %d, ", count);
      }
      for (int i = 0; i < count; i++) {
        if (i > 0) cg_printf(", ");
        cg_printf("%s%s", Option::VariablePrefix, getParamName(i).c_str());
      }
      if (isVariableArgument()) {
        if (count) cg_printf(", ");
        cg_printf("args");
      }
      cg_printf(");\n");

    } else {
      cg_printf("Array params;\n");
      for (int i = 0; i < count; i++) {
        cg_printf("params.append(%s%s);\n",
                  Option::VariablePrefix, getParamName(i).c_str());
      }
      if (isVariableArgument()) {
        cg_printf("params.merge(args);\n");
      }

      if (type) cg_printf("return ");
      if (isStatic()) {
        cg_printf("%sinvoke_mil(NULL, \"%s\", params, -1);\n",
                  Option::ObjectStaticPrefix, m_name.c_str());
      } else {
        cg_printf("%sinvoke_mil(\"%s\", params, -1);\n",
                  Option::ObjectPrefix, m_name.c_str());
      }
    }

    cg_indentEnd("}\n");
  }
}