protected boolean matches(char[][] compoundName) {
int length = compoundName.length;
if (length == 0) return false;
char[] simpleName = compoundName[length - 1];
int last = length - 1;
if (this.typeSimpleName == null || this.pattern.matchesName(simpleName, this.typeSimpleName)) {
// most frequent case: simple name equals last segment of compoundName
char[][] qualification = new char[last][];
System.arraycopy(compoundName, 0, qualification, 0, last);
return this.pattern.matchesName(
this.typeQualification, CharOperation.concatWith(qualification, '.'));
}
if (!CharOperation.endsWith(simpleName, this.typeSimpleName)) return false;
// member type -> transform A.B.C$D into A.B.C.D
System.arraycopy(compoundName, 0, compoundName = new char[length + 1][], 0, last);
int dollar = CharOperation.indexOf('$', simpleName);
if (dollar == -1) return false;
compoundName[last] = CharOperation.subarray(simpleName, 0, dollar);
compoundName[length] = CharOperation.subarray(simpleName, dollar + 1, simpleName.length);
return this.matches(compoundName);
}
/**
* In case emulating local variables, wrap the (recovered) statements inside a try statement so as
* to achieve local state commiting (copy local vars back to fields). The CSToCuMapper could not
* be used, since it could have interfered with the syntax recovery specific to code snippets.
*/
protected void consumeMethodDeclaration(boolean isNotAbstract) {
// MethodDeclaration ::= MethodHeader MethodBody
// AbstractMethodDeclaration ::= MethodHeader ';'
super.consumeMethodDeclaration(isNotAbstract);
// now we know that we have a method declaration at the top of the ast stack
MethodDeclaration methodDecl = (MethodDeclaration) this.astStack[this.astPtr];
// automatically wrap the last statement inside a return statement, if it is an expression
// support have to be defined at toplevel only
if (this.isTopLevelType()) {
int last = methodDecl.statements == null ? -1 : methodDecl.statements.length - 1;
if (last >= 0 && methodDecl.statements[last] instanceof Expression) {
Expression lastExpression = (Expression) methodDecl.statements[last];
methodDecl.statements[last] =
new CodeSnippetReturnStatement(
lastExpression, lastExpression.sourceStart, lastExpression.sourceEnd);
}
}
int start = methodDecl.bodyStart - 1, end = start;
long position = ((long) start << 32) + end;
long[] positions = new long[] {position};
if (this.evaluationContext.localVariableNames != null) {
int varCount =
this.evaluationContext.localVariableNames.length; // n local decls+ try statement
// generate n local variable declarations: [type] [name] = val$[name];
Statement[] newStatements = new Statement[varCount + 1];
for (int i = 0; i < varCount; i++) {
char[] trimmedTypeName = this.evaluationContext.localVariableTypeNames[i];
int nameEnd = CharOperation.indexOf('[', trimmedTypeName);
if (nameEnd >= 0) {
trimmedTypeName = CharOperation.subarray(trimmedTypeName, 0, nameEnd);
}
nameEnd = CharOperation.indexOf(' ', trimmedTypeName);
if (nameEnd >= 0) {
trimmedTypeName = CharOperation.subarray(trimmedTypeName, 0, nameEnd);
}
TypeReference typeReference =
new QualifiedTypeReference(CharOperation.splitOn('.', trimmedTypeName), positions);
int dimCount =
CharOperation.occurencesOf('[', this.evaluationContext.localVariableTypeNames[i]);
if (dimCount > 0) {
typeReference = this.copyDims(typeReference, dimCount);
}
NameReference init =
new SingleNameReference(
CharOperation.concat(
LOCAL_VAR_PREFIX, this.evaluationContext.localVariableNames[i]),
position);
LocalDeclaration declaration =
new LocalDeclaration(this.evaluationContext.localVariableNames[i], start, end);
declaration.initialization = init;
declaration.type = typeReference;
declaration.modifiers = this.evaluationContext.localVariableModifiers[i];
newStatements[i] = declaration;
}
// generate try { [snippet] } finally { [save locals to fields] }
// try block
TryStatement tryStatement = new TryStatement();
Block tryBlock = new Block(methodDecl.explicitDeclarations);
tryBlock.sourceStart = start;
tryBlock.sourceEnd = end;
tryBlock.statements = methodDecl.statements; // snippet statements
tryStatement.tryBlock = tryBlock;
// finally block
Block finallyBlock = new Block(0);
finallyBlock.sourceStart = start;
finallyBlock.sourceEnd = end;
finallyBlock.statements = new Statement[varCount];
for (int i = 0; i < varCount; i++) {
finallyBlock.statements[i] =
new Assignment(
new SingleNameReference(
CharOperation.concat(
LOCAL_VAR_PREFIX, this.evaluationContext.localVariableNames[i]),
position),
new SingleNameReference(this.evaluationContext.localVariableNames[i], position),
(int) position);
}
tryStatement.finallyBlock = finallyBlock;
newStatements[varCount] = tryStatement;
methodDecl.statements = newStatements;
}
}
/* Take a type and apply annotations to various components of it. By construction when we see the type reference @Outer Outer.@Middle Middle.@Inner Inner,
we first construct the binding for Outer.Middle.Inner and then annotate various parts of it. Likewise for PQTR's binding.
*/
public TypeBinding getAnnotatedType(TypeBinding type, AnnotationBinding[][] annotations) {
if (type == null || !type.isValidBinding() || annotations == null || annotations.length == 0)
return type;
TypeBinding annotatedType = null;
switch (type.kind()) {
case Binding.ARRAY_TYPE:
ArrayBinding arrayBinding = (ArrayBinding) type;
annotatedType =
getArrayType(
arrayBinding.leafComponentType,
arrayBinding.dimensions,
flattenedAnnotations(annotations));
break;
case Binding.BASE_TYPE:
case Binding.TYPE:
case Binding.GENERIC_TYPE:
case Binding.PARAMETERIZED_TYPE:
case Binding.RAW_TYPE:
case Binding.TYPE_PARAMETER:
case Binding.WILDCARD_TYPE:
case Binding.INTERSECTION_TYPE:
case Binding.INTERSECTION_CAST_TYPE:
/* Taking the binding of QTR as an example, there could be different annotatable components, but we come in a with a single binding, e.g:
@T Z; type => Z annotations => [[@T]]
@T Y.@T Z type => Z annotations => [[@T][@T]]
@T X.@T Y.@T Z type => Z annotations => [[@T][@T][@T]]
java.lang.@T X.@T Y.@T Z type => Z annotations => [[][][@T][@T][@T]]
in all these cases the incoming type binding is for Z, but annotations are for different levels. We need to align their layout for proper attribution.
*/
if (type.isUnresolvedType() && CharOperation.indexOf('$', type.sourceName()) > 0)
type =
BinaryTypeBinding.resolveType(
type,
this.environment,
true); // must resolve member types before asking for enclosingType
int levels = type.depth() + 1;
TypeBinding[] types = new TypeBinding[levels];
types[--levels] = type;
TypeBinding enclosingType = type.enclosingType();
while (enclosingType != null) {
types[--levels] = enclosingType;
enclosingType = enclosingType.enclosingType();
}
// Locate the outermost type being annotated. Beware annotations.length could be >
// types.length (for package qualified names in QTR/PQTR)
levels = annotations.length;
int i, j = types.length - levels;
for (i = 0; i < levels; i++, j++) {
if (annotations[i] != null && annotations[i].length > 0) break;
}
if (i == levels) // empty annotations array ?
return type;
if (j
< 0) // Not kosher, broken type that is not flagged as invalid while reporting
// compilation error ? don't touch.
return type;
// types[j] is the first component being annotated. Its annotations are annotations[i]
for (enclosingType = j == 0 ? null : types[j - 1]; i < levels; i++, j++) {
final TypeBinding currentType = types[j];
// while handling annotations from SE7 locations, take care not to drop existing
// annotations.
AnnotationBinding[] currentAnnotations =
annotations[i] != null && annotations[i].length > 0
? annotations[i]
: currentType.getTypeAnnotations();
annotatedType = getAnnotatedType(currentType, enclosingType, currentAnnotations);
enclosingType = annotatedType;
}
break;
default:
throw new IllegalStateException();
}
return annotatedType;
}
@Override
public BinaryGenericTypeSignature getTypeErasure() {
int end = CharOperation.indexOf(Signature.C_GENERIC_START, chars, offset, offset + length);
if (end == -1) return this;
return new BinaryErasureTypeSignature(this, getArrayDimensions());
}
private static boolean dependencyExists(IFile buildConfigFile, String dependencyText)
throws CoreException {
char[] contents = ((CompilationUnit) JavaCore.create(buildConfigFile)).getContents();
return CharOperation.indexOf(dependencyText.toCharArray(), contents, true) >= 0;
}
