本文整理汇总了Java中com.intellij.psi.util.TypeConversionUtil.NULL_TYPE属性的典型用法代码示例。如果您正苦于以下问题：Java TypeConversionUtil.NULL_TYPE属性的具体用法？Java TypeConversionUtil.NULL_TYPE怎么用？Java TypeConversionUtil.NULL_TYPE使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类com.intellij.psi.util.TypeConversionUtil的用法示例。
在下文中一共展示了TypeConversionUtil.NULL_TYPE属性的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doGetType
@Nullable
private static PsiType doGetType(PsiPolyadicExpressionImpl param) {
PsiExpression[] operands = param.getOperands();
PsiType lType = null;
IElementType sign = param.getOperationTokenType();
for (int i=1; i<operands.length;i++) {
PsiType rType = operands[i].getType();
// optimization: if we can calculate type based on right type only
PsiType type = TypeConversionUtil.calcTypeForBinaryExpression(null, rType, sign, false);
if (type != TypeConversionUtil.NULL_TYPE) return type;
if (lType == null) lType = operands[0].getType();
lType = TypeConversionUtil.calcTypeForBinaryExpression(lType, rType, sign, true);
}
return lType;
}
示例2: getType
@Nullable
public <T extends PsiExpression> PsiType getType(@NotNull T expr, @NotNull Function<T, PsiType> f) {
final boolean isOverloadCheck = MethodCandidateInfo.isOverloadCheck();
PsiType type = isOverloadCheck ? null : myCalculatedTypes.get(expr);
if (type == null) {
final RecursionGuard.StackStamp dStackStamp = PsiDiamondType.ourDiamondGuard.markStack();
type = f.fun(expr);
if (!dStackStamp.mayCacheNow() || isOverloadCheck) {
return type;
}
if (type == null) type = TypeConversionUtil.NULL_TYPE;
myCalculatedTypes.put(expr, type);
if (type instanceof PsiClassReferenceType) {
// convert reference-based class type to the PsiImmediateClassType, since the reference may become invalid
PsiClassType.ClassResolveResult result = ((PsiClassReferenceType)type).resolveGenerics();
PsiClass psiClass = result.getElement();
type = psiClass == null
? type // for type with unresolved reference, leave it in the cache
// for clients still might be able to retrieve its getCanonicalText() from the reference text
: new PsiImmediateClassType(psiClass, result.getSubstitutor(), ((PsiClassReferenceType)type).getLanguageLevel(), type.getAnnotations());
}
}
if (!type.isValid()) {
if (expr.isValid()) {
PsiJavaCodeReferenceElement refInside = type instanceof PsiClassReferenceType ? ((PsiClassReferenceType)type).getReference() : null;
@NonNls String typeinfo = type + " (" + type.getClass() + ")" + (refInside == null ? "" : "; ref inside: "+refInside + " ("+refInside.getClass()+") valid:"+refInside.isValid());
LOG.error("Type is invalid: " + typeinfo + "; expr: '" + expr + "' (" + expr.getClass() + ") is valid");
}
else {
LOG.error("Expression: '"+expr+"' is invalid, must not be used for getType()");
}
}
return type == TypeConversionUtil.NULL_TYPE ? null : type;
}
示例3: doGetType
private static PsiType doGetType(PsiBinaryExpressionImpl param) {
PsiExpression lOperand = param.getLOperand();
PsiExpression rOperand = param.getROperand();
if (rOperand == null) return null;
PsiType rType = rOperand.getType();
IElementType sign = param.getOperationTokenType();
// optimization: if we can calculate type based on right type only
PsiType type = TypeConversionUtil.calcTypeForBinaryExpression(null, rType, sign, false);
if (type != TypeConversionUtil.NULL_TYPE) return type;
PsiType lType = lOperand.getType();
return TypeConversionUtil.calcTypeForBinaryExpression(lType, rType, sign, true);
}