@Nullable
public static String getMethodParameterAt(@NotNull ParameterList parameterList, int index) {
PsiElement[] parameters = parameterList.getParameters();
if (parameters.length < index + 1) {
return null;
}
return getMethodParameter(parameters[index]);
}
@Nullable
public static ParameterBag getCurrentParameterIndex(PsiElement psiElement) {
if (!(psiElement.getContext() instanceof ParameterList)) {
return null;
}
ParameterList parameterList = (ParameterList) psiElement.getContext();
if (!(parameterList.getContext() instanceof ParameterListOwner)) {
return null;
}
return getCurrentParameterIndex(parameterList.getParameters(), psiElement);
}
@Nullable
public static PsiElement getMethodParameterPsiElementAt(
@Nullable ParameterList parameterList, int index) {
if (parameterList == null) {
return null;
}
PsiElement[] parameters = parameterList.getParameters();
if (parameters.length < index + 1) {
return null;
}
return parameters[index];
}
/**
* Extract type hint from method parameter
*
* <p>function foo(\FooClass $class)
*/
@Nullable
public static String getMethodParameterTypeHint(@NotNull Method method) {
ParameterList childOfType = PsiTreeUtil.getChildOfType(method, ParameterList.class);
if (childOfType == null) {
return null;
}
PsiElement[] parameters = childOfType.getParameters();
if (parameters.length == 0) {
return null;
}
ClassReference classReference = PsiTreeUtil.getChildOfType(parameters[0], ClassReference.class);
if (classReference == null) {
return null;
}
String fqn = classReference.getFQN();
if (fqn == null) {
return null;
}
return fqn;
}
@Override
public void check() {
List<TreeNode> children = getChildren();
if (children.size() == 1) {
// IDN
String errorMessage = "<izravni_deklarator> ::= " + children.get(0);
Checker.throwException(!nType.equals("void"), errorMessage);
String name = ((TerminalSignData) children.get(0).getData()).getValue();
Checker.throwException(!Checker.isNameDeclaredLocaly(name), errorMessage);
boolean lExpression = Checker.canBeLExpression(nType);
Scope.currentScope.addIdentificator(name, nType, lExpression);
type = nType;
} else {
if (children.get(1).getData().getName().equals("L_UGL_ZAGRADA")) {
// IDN L_UGL_ZAGRADA BROJ D_UGL_ZAGRADA
String errorMessage =
"<izravni_deklarator> ::= "
+ children.get(0)
+ " "
+ children.get(1)
+ " "
+ children.get(2)
+ " "
+ children.get(3);
Checker.throwException(!nType.equals("void"), errorMessage);
String name = ((TerminalSignData) children.get(0).getData()).getValue();
Checker.throwException(!Checker.isNameDeclaredLocaly(name), errorMessage);
String sizeNumber = ((TerminalSignData) children.get(2).getData()).getValue();
Checker.throwException(Checker.checkArraySizeInteger(sizeNumber), errorMessage);
elementCount = Checker.getNumberValue(sizeNumber);
this.type = nType + "[]";
Scope.currentScope.addIdentificator(name, type, false);
} else if (children.get(2).getData().getName().equals("KR_VOID")) {
// IDN L_ZAGRADA KR_VOID D_ZAGRADA
String errorMessage =
"<izravni_deklarator> ::= "
+ children.get(0)
+ " "
+ children.get(1)
+ " "
+ children.get(2)
+ " "
+ children.get(3);
String name = ((TerminalSignData) children.get(0).getData()).getValue();
this.type = "f(void->" + nType + ")";
if (Checker.isFunctionDeclaredLocaly(name)) {
Checker.throwException(Checker.getFunction(name).getType().equals(type), errorMessage);
} else {
boolean defined = Checker.isFunctionDefined(name);
Scope.currentScope.addFunction(name, type, defined);
}
} else {
// IDN L_ZAGRADA <lista_parametara> D_ZAGRADA
String errorMessage =
"<izravni_deklarator> ::= "
+ children.get(0)
+ " "
+ children.get(1)
+ " <lista_parametara> "
+ children.get(3);
ParameterList parameterList = (ParameterList) children.get(2);
parameterList.check();
String name = ((TerminalSignData) children.get(0).getData()).getValue();
StringBuffer typeBuffer = new StringBuffer("f(");
for (ParameterList.Parameter parameter : parameterList.getParameters()) {
typeBuffer.append(parameter.getType() + ",");
}
typeBuffer.deleteCharAt(typeBuffer.length() - 1);
typeBuffer.append("->").append(nType).append(")");
this.type = typeBuffer.toString();
if (Checker.isFunctionDeclaredLocaly(name)) {
Checker.throwException(Checker.getFunction(name).getType().equals(type), errorMessage);
} else {
boolean defined = Checker.isFunctionDefined(name);
Scope.currentScope.addFunction(name, type, defined);
}
}
}
}
