C++ (Cpp) EncapsListExpressionPtr Exemples

Exemple #1

Fichier : unary_op_expression.cpp Projet : MarkTseng/hiphop-php

ExpressionPtr UnaryOpExpression::postOptimize(AnalysisResultConstPtr ar) {
  if (m_op == T_PRINT && m_exp->is(KindOfEncapsListExpression) &&
      !m_exp->hasEffect()) {
    EncapsListExpressionPtr e = static_pointer_cast<EncapsListExpression>
      (m_exp);
    e->stripConcat();
  }

  if (m_op == T_UNSET_CAST && !hasEffect()) {
    if (!getScope()->getVariables()->
        getAttribute(VariableTable::ContainsCompact) ||
        !m_exp->isScalar()) {
      return CONSTANT("null");
    }
  } else if (m_op == T_UNSET && m_exp->is(KindOfExpressionList) &&
             !static_pointer_cast<ExpressionList>(m_exp)->getCount()) {
    recomputeEffects();
    return CONSTANT("null");
  } else if (m_op == T_BOOL_CAST) {
    if (m_exp->getActualType() &&
        m_exp->getActualType()->is(Type::KindOfBoolean)) {
      return replaceValue(m_exp);
    }
  } else if (m_op != T_ARRAY &&
             m_exp &&
             m_exp->isScalar()) {
    Variant value;
    Variant result;
    if (m_exp->getScalarValue(value) && preCompute(value, result)) {
      return replaceValue(makeScalarExpression(ar, result));
    }
  }
  return ExpressionPtr();
}

Exemple #2

Fichier : unary_op_expression.cpp Projet : kreshano/hiphop-php

ExpressionPtr UnaryOpExpression::postOptimize(AnalysisResultPtr ar) {
  bool insideScalarArray = ar->getInsideScalarArray();

  if (m_op == T_ARRAY &&
      (getContext() & (RefValue|LValue)) == 0) {
    if (m_exp) {
      ExpressionListPtr pairs = dynamic_pointer_cast<ExpressionList>(m_exp);
      if (pairs && pairs->isScalarArrayPairs()) {
        m_arrayId = ar->registerScalarArray(m_exp);
        ar->setInsideScalarArray(true);
      }
    } else {
      m_arrayId = ar->registerScalarArray(m_exp); // empty array
    }
  }

  ar->postOptimize(m_exp);
  if (m_op == T_PRINT && m_exp->is(KindOfEncapsListExpression) &&
      !m_exp->hasEffect()) {
    EncapsListExpressionPtr e = static_pointer_cast<EncapsListExpression>
      (m_exp);
    e->stripConcat();
  }

  ar->setInsideScalarArray(insideScalarArray);

  if (m_op == T_UNSET_CAST && !hasEffect()) {
    return CONSTANT("null");
  } else if (m_op == T_UNSET && m_exp->is(KindOfExpressionList) &&
             !static_pointer_cast<ExpressionList>(m_exp)->getCount()) {
    return CONSTANT("null");
  }

  return ExpressionPtr();
}

Exemple #3

Fichier : binary_op_expression.cpp Projet : jahankhanna/hiphop-php

int BinaryOpExpression::getConcatList(ExpressionPtrVec &ev, ExpressionPtr exp,
                                      bool &hasVoid) {
  if (!exp->hasCPPTemp()) {
    if (exp->is(Expression::KindOfUnaryOpExpression)) {
      UnaryOpExpressionPtr u = static_pointer_cast<UnaryOpExpression>(exp);
      if (u->getOp() == '(') {
        return getConcatList(ev, u->getExpression(), hasVoid);
      }
    } else if (exp->is(Expression::KindOfBinaryOpExpression)) {
      BinaryOpExpressionPtr b = static_pointer_cast<BinaryOpExpression>(exp);
      if (b->getOp() == '.') {
        return getConcatList(ev, b->getExp1(), hasVoid) +
          getConcatList(ev, b->getExp2(), hasVoid);
      }
    } else if (exp->is(Expression::KindOfEncapsListExpression)) {
      EncapsListExpressionPtr e =
        static_pointer_cast<EncapsListExpression>(exp);
      if (e->getType() != '`') {
        ExpressionListPtr el = e->getExpressions();
        int num = 0;
        for (int i = 0, s = el->getCount(); i < s; i++) {
          ExpressionPtr exp = (*el)[i];
          num += getConcatList(ev, exp, hasVoid);
        }
        return num;
      }
    }
  }

  ev.push_back(exp);
  bool isVoid = !exp->getActualType();
  hasVoid |= isVoid;
  return isVoid ? 0 : 1;
}

Exemple #4

Fichier : binary_op_expression.cpp Projet : Gauravjeetsingh/hiphop-php

int BinaryOpExpression::getConcatList(ExpressionPtrVec &ev, ExpressionPtr exp,
                                      bool &hasVoid) {
  if (!exp->hasCPPTemp()) {
    if (exp->is(Expression::KindOfUnaryOpExpression)) {
      UnaryOpExpressionPtr u = static_pointer_cast<UnaryOpExpression>(exp);
      if (u->getOp() == '(') {
        return getConcatList(ev, u->getExpression(), hasVoid);
      }
    } else if (exp->is(Expression::KindOfBinaryOpExpression)) {
      BinaryOpExpressionPtr b = static_pointer_cast<BinaryOpExpression>(exp);
      if (b->getOp() == '.') {
        if (b->getExp1()->is(Expression::KindOfSimpleVariable) &&
            b->getExp1()->isLocalExprAltered() &&
            !b->getExp1()->hasCPPTemp() &&
            b->getExp2()->hasEffect() &&
            !b->getExp2()->hasCPPTemp()) {
          /*
            In this case, the simple variable must be evaluated
            after b->getExp2(). But when we output a concat list we
            explicitly order the expressions from left to right.
          */
        } else {
          return getConcatList(ev, b->getExp1(), hasVoid) +
            getConcatList(ev, b->getExp2(), hasVoid);
        }
      }
    } else if (exp->is(Expression::KindOfEncapsListExpression)) {
      EncapsListExpressionPtr e =
        static_pointer_cast<EncapsListExpression>(exp);
      if (e->getType() != '`') {
        ExpressionListPtr el = e->getExpressions();
        int num = 0;
        for (int i = 0, s = el->getCount(); i < s; i++) {
          ExpressionPtr exp = (*el)[i];
          num += getConcatList(ev, exp, hasVoid);
        }
        return num;
      }
    }
  } else if (!exp->getActualType()) {
    return 0;
  }

  ev.push_back(exp);
  bool isVoid = !exp->getActualType();
  hasVoid |= isVoid;
  return isVoid ? 0 : 1;
}

Exemple #5

Fichier : unary_op_expression.cpp Projet : dipjyotighosh/hiphop-php

ExpressionPtr UnaryOpExpression::postOptimize(AnalysisResultPtr ar) {
  if (m_op == T_PRINT && m_exp->is(KindOfEncapsListExpression) &&
      !m_exp->hasEffect()) {
    EncapsListExpressionPtr e = static_pointer_cast<EncapsListExpression>
      (m_exp);
    e->stripConcat();
  }

  if (m_op == T_UNSET_CAST && !hasEffect()) {
    return CONSTANT("null");
  } else if (m_op == T_UNSET && m_exp->is(KindOfExpressionList) &&
             !static_pointer_cast<ExpressionList>(m_exp)->getCount()) {
    return CONSTANT("null");
  }

  return ExpressionPtr();
}

Exemple #6

Fichier : unary_op_expression.cpp Projet : eliotsolomon/hiphop-php

ExpressionPtr UnaryOpExpression::postOptimize(AnalysisResultConstPtr ar) {
  if (m_op == T_PRINT && m_exp->is(KindOfEncapsListExpression) &&
      !m_exp->hasEffect()) {
    EncapsListExpressionPtr e = static_pointer_cast<EncapsListExpression>
      (m_exp);
    e->stripConcat();
  }

  if (m_op == T_UNSET_CAST && !hasEffect()) {
    if (!getScope()->getVariables()->
        getAttribute(VariableTable::ContainsCompact) ||
        !m_exp->isScalar()) {
      return CONSTANT("null");
    }
  } else if (m_op == T_UNSET && m_exp->is(KindOfExpressionList) &&
             !static_pointer_cast<ExpressionList>(m_exp)->getCount()) {
    recomputeEffects();
    return CONSTANT("null");
  }

  return ExpressionPtr();
}