/**
* @param scalar
* @return true if the scalar is defines as $GLOBALS call
*/
private static boolean checkGLOBALS(Scalar scalar) {
final String stringValue = scalar.getStringValue();
if (scalar.getScalarType() != Scalar.TYPE_STRING || stringValue.length() < 3) {
return false;
}
final char charAtZero = stringValue.charAt(0);
final char charAtEnd = stringValue.charAt(stringValue.length() - 1);
if (!detectString(charAtZero) || !detectString(charAtEnd)) {
return false;
}
if (scalar.getParent().getType() == ASTNode.ARRAY_ACCESS) {
ArrayAccess arrayAccess = (ArrayAccess) scalar.getParent();
final Expression variableName = arrayAccess.getName();
if (variableName.getType() == ASTNode.VARIABLE) {
Variable var = (Variable) variableName;
if (var.isDollared() && var.getName() instanceof Identifier) {
final Identifier id = (Identifier) var.getName();
return id.getName().equals("_GLOBALS") // $NON-NLS-1$
|| id.getName().equals("GLOBALS"); // $NON-NLS-1$
}
}
}
return false;
}
public boolean apply(ASTNode node) {
// stops when found - that's the reason to use ApplyAll
if (exists) return false;
if (node.getType() == ASTNode.CLASS_DECLARATION
|| node.getType() == ASTNode.FUNCTION_DECLARATION) {
isGlobalScope = false;
node.childrenAccept(this);
isGlobalScope = true;
return false;
} else if (node instanceof Identifier) {
Identifier identifier = (Identifier) node;
if (identifier.getParent().getType() == ASTNode.VARIABLE) {
Variable variable = (Variable) identifier.getParent();
if (variable.isDollared() && isGlobalScope && name.equals(identifier.getName())) {
exists = true;
}
}
} else if (node.getType() == ASTNode.GLOBAL_STATEMENT) {
GlobalStatement globalStatement = (GlobalStatement) node;
final List<Variable> variables = globalStatement.variables();
for (final Variable variable : variables) {
final Expression variableName = variable.getName();
if (variable.isDollared() && variableName instanceof Identifier) {
Identifier identifier = (Identifier) variableName;
if (name.equals(identifier.getName())) {
exists = true;
}
}
}
}
return true;
}
public boolean apply(ASTNode node) {
// stops when found - that's the reason to use ApplyAll
if (exists) return false;
if (node.getType() == ASTNode.VARIABLE) {
Variable variable = (Variable) node;
if (variable.isDollared()) {
assert variable.getName().getType() == ASTNode.IDENTIFIER;
Identifier identifier = (Identifier) variable.getName();
if (identifier.getName().equals(name)) {
exists = true;
}
}
}
return true;
}
/**
* @param targetIdentifier
* @param variable
* @param isGlobal
* @param globalStatement
* @return true is the
*/
private static boolean checkGlobal(
Identifier targetIdentifier, final GlobalStatement globalStatement) {
final List<Variable> variables = globalStatement.variables();
for (final Variable current : variables) {
// if the variable is reflection (eg. global $$var) skip
if (current.getName().getType() == ASTNode.IDENTIFIER) {
Identifier id = (Identifier) current.getName();
// variables are case sensative
if (id.getName().equals(targetIdentifier.getName())) {
return true;
}
}
}
return false;
}
public void endVisit(Variable variable) {
if (variable.getParent().getType() != ASTNode.FIELD_ACCESS
|| (variable.getParent().getType() == ASTNode.FIELD_ACCESS
&& ((FieldAccess) variable.getParent()).getDispatcher() == variable)) {
Expression varName = variable.getName();
if (params.contains(((Identifier) varName).getName())
&& varName instanceof Identifier
&& variable.isDollared()
&& variable.getParent().getType() != ASTNode.STATIC_FIELD_ACCESS) {
highlight(variable);
}
}
}
private static final boolean isThisVariable(Variable variable) {
return (variable.isDollared()
&& variable.getName() instanceof Identifier
&& THIS.equalsIgnoreCase(((Identifier) variable.getName()).getName()));
}