Esempio n. 1
0
void Type::outputCPPDecl(CodeGenerator &cg, AnalysisResultConstPtr ar,
                         BlockScopeRawPtr scope) {
  cg_printf(getCPPDecl(cg, ar, scope).c_str());

  if (isSpecificObject() && cg.isFileOrClassHeader() && scope) {
    if (scope->getContainingClass()) {
      scope->getContainingClass()->addUsedClassHeader(m_name);
    } else if (scope->getContainingFile()) {
      scope->getContainingFile()->addUsedClassHeader(m_name);
    }
  }
}
void ParameterExpression::outputCPPImpl(CodeGenerator &cg,
                                        AnalysisResultPtr ar) {
  FunctionScopePtr func = getFunctionScope();
  VariableTablePtr variables = func->getVariables();
  Symbol *sym = variables->getSymbol(m_name);
  assert(sym && sym->isParameter());

  bool inHeader = cg.isFileOrClassHeader();
  cg.setFileOrClassHeader(true);
  CodeGenerator::Context context = cg.getContext();
  bool typedWrapper = (context == CodeGenerator::CppTypedParamsWrapperImpl ||
                       context == CodeGenerator::CppTypedParamsWrapperDecl);

  TypePtr paramType =
    typedWrapper && func->getParamTypeSpec(sym->getParameterIndex()) ?
    Type::Variant : func->getParamType(sym->getParameterIndex());
  bool wrapper = typedWrapper ||
    context == CodeGenerator::CppFunctionWrapperImpl ||
    context == CodeGenerator::CppFunctionWrapperDecl;

  bool isCVarRef = false;
  const char *prefix = "";
  if (m_ref) {
    cg_printf("VRefParam");
    if (!wrapper) {
      prefix = "r";
    }
  } else if (wrapper ||
      (!variables->isLvalParam(m_name) &&
       !variables->getAttribute(VariableTable::ContainsDynamicVariable) &&
       !variables->getAttribute(VariableTable::ContainsExtract))) {
    if (paramType->is(Type::KindOfVariant) ||
        paramType->is(Type::KindOfSome)) {
      cg_printf("CVarRef");
      isCVarRef = true;
    }
    else if (paramType->is(Type::KindOfArray))  cg_printf("CArrRef");
    else if (paramType->is(Type::KindOfString)) cg_printf("CStrRef");
    else paramType->outputCPPDecl(cg, ar, getScope());
  } else {
    paramType->outputCPPDecl(cg, ar, getScope());
  }

  cg_printf(" %s%s%s",
            prefix, Option::VariablePrefix,
            CodeGenerator::FormatLabel(m_name).c_str());
  if (m_defaultValue && sym->getParameterIndex() >= func->getMinParamCount()) {
    bool comment = context == CodeGenerator::CppTypedParamsWrapperImpl ||
      context == CodeGenerator::CppFunctionWrapperImpl ||
      context == CodeGenerator::CppImplementation ||
      (context == CodeGenerator::CppDeclaration && func->isInlined());
    if (comment) {
      cg_printf(" // ");
    }
    cg_printf(" = ");
    ConstantExpressionPtr con =
      dynamic_pointer_cast<ConstantExpression>(m_defaultValue);

    bool done = false;
    if (con && con->isNull()) {
      done = true;
      if (isCVarRef) {
        cg_printf("null_variant");
      } else if (paramType->is(Type::KindOfVariant) ||
                 paramType->is(Type::KindOfSome)) {
        cg_printf("null");
      } else if (paramType->is(Type::KindOfObject)) {
        cg_printf("Object()");
      } else if (paramType->is(Type::KindOfArray)) {
        cg_printf("Array()");
      } else if (paramType->is(Type::KindOfString)) {
        cg_printf("String()");
      } else {
        done = false;
      }
    }
    if (!done) {
      if (comment) {
        cg.setContext(CodeGenerator::CppParameterDefaultValueImpl);
      } else {
        cg.setContext(CodeGenerator::CppParameterDefaultValueDecl);
      }
      bool isScalar = m_defaultValue->isScalar();
      if (isCVarRef && isScalar) {
        ASSERT(!cg.hasScalarVariant());
        cg.setScalarVariant();
      }
      m_defaultValue->outputCPP(cg, ar);
      if (isCVarRef && isScalar) cg.clearScalarVariant();
      ASSERT(!cg.hasScalarVariant());
      cg.setContext(context);
    }
    if (comment) {
      cg_printf("\n");
    }
  }
  cg.setFileOrClassHeader(inHeader);
}
void UnaryOpExpression::outputCPPImpl(CodeGenerator &cg,
                                      AnalysisResultPtr ar) {
  if ((m_op == T_INC || m_op == T_DEC) && outputCPPImplOpEqual(cg, ar)) {
    return;
  }
  if (m_op == T_ARRAY &&
      (getContext() & (RefValue|LValue)) == 0 &&
      !cg.getInsideScalarArray()) {
    int id = -1;
    int hash = -1;
    int index = -1;
    string text;
    if (m_exp) {
      ExpressionListPtr pairs = dynamic_pointer_cast<ExpressionList>(m_exp);
      Variant v;
      if (pairs && pairs->isScalarArrayPairs() && pairs->getScalarValue(v)) {
        id = ar->registerScalarArray(cg.getInsideScalarArray(), getFileScope(),
                                     m_exp, hash, index, text);
      }
    } else {
      id = ar->registerScalarArray(cg.getInsideScalarArray(), getFileScope(),
                                   m_exp, hash, index, text); // empty array
    }
    if (id != -1) {
      if (Option::UseNamedScalarArray && cg.isFileOrClassHeader()) {
        if (getClassScope()) {
          getClassScope()->addUsedDefaultValueScalarArray(text);
        } else {
          getFileScope()->addUsedDefaultValueScalarArray(text);
        }
      }
      ar->outputCPPScalarArrayId(cg, id, hash, index);
      return;
    }
  }

  if ((m_op == T_ISSET || m_op == T_EMPTY || m_op == T_UNSET) && m_exp) {
    if (m_exp->is(Expression::KindOfExpressionList)) {
      ExpressionListPtr exps = dynamic_pointer_cast<ExpressionList>(m_exp);
      if (exps->getListKind() == ExpressionList::ListKindParam) {
        int count = exps->getCount();
        if (count > 1) {
          cg_printf("(");
        }
        for (int i = 0; i < count; i++) {
          if (m_op == T_UNSET) {
            if (i > 0) cg_printf(", ");
            (*exps)[i]->outputCPPUnset(cg, ar);
          } else {
            if (i > 0) cg_printf(" && ");
            (*exps)[i]->outputCPPExistTest(cg, ar, m_op);
          }
        }
        if (exps->getCount() > 1) {
          cg_printf(")");
        }
        return;
      }
    }
    if (m_op == T_UNSET) {
      m_exp->outputCPPUnset(cg, ar);
    } else {
      m_exp->outputCPPExistTest(cg, ar, m_op);
    }
    return;
  }

  if (m_front) {
    switch (m_op) {
    case T_CLONE:         cg_printf("f_clone(");   break;
    case T_INC:           cg_printf("++");         break;
    case T_DEC:           cg_printf("--");         break;
    case '+':             cg_printf("+");          break;
    case '-':             cg_printf("negate(");    break;
    case '!':             cg_printf("!(");         break;
    case '~':             cg_printf("~");          break;
    case T_INT_CAST:      cg_printf("(");          break;
    case T_DOUBLE_CAST:   cg_printf("(");          break;
    case T_STRING_CAST:   cg_printf("(");          break;
    case T_ARRAY_CAST:    cg_printf("(");          break;
    case T_OBJECT_CAST:   cg_printf("(");          break;
    case T_BOOL_CAST:     cg_printf("(");          break;
    case T_UNSET_CAST:
      if (m_exp->isScalar()) {
        cg_printf("(null)");
        return;
      }
      if (m_exp->hasCPPTemp()) {
        cg_printf("(id(");
      } else {
        cg_printf("(");
      }
      break;
    case T_EXIT:          cg_printf("f_exit(");    break;
    case T_ARRAY:
      cg_printf("Array(");
      break;
    case T_PRINT:         cg_printf("print(");     break;
    case T_EVAL:
      if (Option::EnableEval > Option::NoEval) {
        bool instance;
        if (getClassScope()) {
          FunctionScopePtr fs = getFunctionScope();
          instance = fs && !fs->isStatic();
        } else {
          instance = false;
        }
        cg_printf("eval(%s, Object(%s), ",
                  getScope()->inPseudoMain() ?
                  "get_variable_table()" : "variables",
                  instance ? "this" : "");
      } else {
        cg_printf("f_eval(");
      }
      break;
    case '@':
      if (m_silencer >= 0) {
        cg_printf("(%s%d.enable(),%s%d.disable(",
                  Option::SilencerPrefix, m_silencer,
                  Option::SilencerPrefix, m_silencer);
      }
      break;
    case T_FILE:
      cg_printf("get_source_filename(\"%s\")", getLocation()->file);
      break;
      break;
    default:
      ASSERT(false);
    }
  }


  if (m_exp) {
    switch (m_op) {
    case '+':
    case '-':
      if (m_exp->getActualType() &&
          (m_exp->getActualType()->is(Type::KindOfString) ||
           m_exp->getActualType()->is(Type::KindOfArray))) {
        cg_printf("(Variant)(");
        m_exp->outputCPP(cg, ar);
        cg_printf(")");
      } else {
        m_exp->outputCPP(cg, ar);
      }
      break;
    case '@':
      if (m_silencer < 0 && isUnused()) {
        m_exp->outputCPPUnneeded(cg, ar);
      } else if (!m_exp->hasCPPTemp() && !m_exp->getActualType()) {
        // Void needs to return something to silenceDec
        cg_printf("(");
        m_exp->outputCPP(cg, ar);
        cg_printf(",null)");
      } else {
        m_exp->outputCPP(cg, ar);
      }
      break;
    default:
      m_exp->outputCPP(cg, ar);
      break;
    }
  }

  if (m_front) {
    switch (m_op) {
    case T_ARRAY:
      {
        ExpressionListPtr exps = dynamic_pointer_cast<ExpressionList>(m_exp);
        if (!exps) {
          cg_printf("ArrayData::Create()");
        }
        cg_printf(")");
      }
      break;
    case T_UNSET_CAST:
      if (m_exp->hasCPPTemp()) {
        cg_printf("),null");
      } else {
        cg_printf(",null");
      }
    case T_CLONE:
    case '!':
    case '-':
    case T_INT_CAST:
    case T_DOUBLE_CAST:
    case T_STRING_CAST:
    case T_ARRAY_CAST:
    case T_OBJECT_CAST:
    case T_BOOL_CAST:
    case T_EXIT:
    case T_PRINT:
    case T_EVAL:
    case T_INCLUDE:
    case T_INCLUDE_ONCE:
    case T_REQUIRE:
    case T_REQUIRE_ONCE:
      cg_printf(")");
      break;
    case '@':
      if (m_silencer >= 0) {
        cg_printf("))");
      }
      break;
    default:
      break;
    }
  } else {
    switch (m_op) {
    case T_INC:           cg_printf("++"); break;
    case T_DEC:           cg_printf("--"); break;
    default:
      ASSERT(false);
    }
  }
}
Esempio n. 4
0
void FunctionStatement::outputCPPImpl(CodeGenerator &cg,
                                      AnalysisResultPtr ar) {
  CodeGenerator::Context context = cg.getContext();

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

  if (outputFFI(cg, ar)) return;

  if (context == CodeGenerator::NoContext) {
    funcScope->outputCPPDef(cg);
    return;
  }

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

  if (context == CodeGenerator::CppPseudoMain &&
      (!pseudoMain || getFileScope()->canUseDummyPseudoMain(ar))) {
    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());

  int startLineImplementation = -1;
  if (context == CodeGenerator::CppDeclaration ||
      context == CodeGenerator::CppImplementation ||
      context == CodeGenerator::CppPseudoMain) {
    startLineImplementation = cg.getLineNo(CodeGenerator::PrimaryStream);
  }

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

  TypePtr type = funcScope->getReturnType();
  if (type) {
    bool isHeader = cg.isFileOrClassHeader();
    cg.setFileOrClassHeader(true);
    type->outputCPPDecl(cg, ar, getScope());
    cg.setFileOrClassHeader(isHeader);
  } else {
    cg_printf("void");
  }

  if (Option::FunctionSections.find(origFuncName) !=
      Option::FunctionSections.end()) {
    string 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);
      if (!isWrapper) {
        int opt = Option::GetOptimizationLevel(m_cppLength);
        if (opt < 3) cg_printf(") __attribute__((optimize(%d))", opt);
      }
      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 *suffix =
          (cg.getOutput() == CodeGenerator::SystemCPP ? "_BUILTIN" : "");
        if (pseudoMain) {
          cg_printf("PSEUDOMAIN_INJECTION%s(%s, %s%s);\n",
                    suffix, origFuncName.c_str(), Option::PseudoMainPrefix,
                    funcScope->getContainingFile()->pseudoMainName().c_str());
        } else {
          if (m_stmt->hasBody()) {
            if (suffix[0] == '\0' && !funcScope->needsCheckMem()) {
              suffix = "_NOMEM";
            }
            const string &name = funcScope->getInjectionId();
            cg_printf("FUNCTION_INJECTION%s(%s);\n", suffix, name.c_str());
          }
          outputCPPArgInjections(cg, ar, origFuncName.c_str(),
                                 ClassScopePtr(), funcScope);
        }
        funcScope->outputCPP(cg, ar);
        if (funcScope->needsRefTemp()) cg.genReferenceTemp(shared_from_this());
        if (funcScope->needsObjTemp()) {
          cg_printf("ObjectData *obj_tmp UNUSED;\n");
        }
        cg.setContext(CodeGenerator::NoContext); // no inner functions/classes
        outputCPPStmt(cg, ar);
        if (funcScope->needsRefTemp()) cg.clearRefereceTemp();
        cg_indentEnd("}\n");
        ASSERT(startLineImplementation >= 0);
        m_cppLength = cg.getLineNo(CodeGenerator::PrimaryStream)
                      - startLineImplementation;
        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);
  }
}