public void replaceWithElementType() {
if (this.constantPoolName[1] == 'L') {
this.constantPoolName =
CharOperation.subarray(this.constantPoolName, 2, this.constantPoolName.length - 1);
} else {
this.constantPoolName =
CharOperation.subarray(this.constantPoolName, 1, this.constantPoolName.length);
if (this.constantPoolName.length == 1) {
switch (this.constantPoolName[0]) {
case 'I':
this.id = TypeIds.T_int;
break;
case 'B':
this.id = TypeIds.T_byte;
break;
case 'S':
this.id = TypeIds.T_short;
break;
case 'C':
this.id = TypeIds.T_char;
break;
case 'J':
this.id = TypeIds.T_long;
break;
case 'F':
this.id = TypeIds.T_float;
break;
case 'D':
this.id = TypeIds.T_double;
break;
case 'Z':
this.id = TypeIds.T_boolean;
break;
case 'N':
this.id = TypeIds.T_null;
break;
case 'V':
this.id = TypeIds.T_void;
break;
}
}
}
}
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);
}
public char[] getMainTypeName() {
if (this.compilationResult.compilationUnit == null) {
char[] fileName = this.compilationResult.getFileName();
int start = CharOperation.lastIndexOf('/', fileName) + 1;
if (start == 0 || start < CharOperation.lastIndexOf('\\', fileName))
start = CharOperation.lastIndexOf('\\', fileName) + 1;
int end = CharOperation.lastIndexOf('.', fileName);
if (end == -1) end = fileName.length;
return CharOperation.subarray(fileName, start, end);
} else {
return this.compilationResult.compilationUnit.getMainTypeName();
}
}
/**
* 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;
}
}
/** Locate declaration in the current class file. This class file is always in a jar. */
public void locateMatches(MatchLocator locator, ClassFile classFile, IBinaryType info)
throws CoreException {
SearchPattern pattern = locator.pattern;
// check annotations references
matchAnnotations(pattern, locator, classFile, info);
// check class definition
BinaryType binaryType = (BinaryType) classFile.getType();
if (matchBinary(pattern, info, null)) {
binaryType =
new ResolvedBinaryType(
(JavaElement) binaryType.getParent(),
binaryType.getElementName(),
binaryType.getKey());
locator.reportBinaryMemberDeclaration(null, binaryType, null, info, SearchMatch.A_ACCURATE);
return;
}
// Define arrays to store methods/fields from binary type if necessary
IBinaryMethod[] binaryMethods = info.getMethods();
int bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length;
IBinaryMethod[] unresolvedMethods = null;
char[][] binaryMethodSignatures = null;
boolean hasUnresolvedMethods = false;
// Get fields from binary type info
IBinaryField[] binaryFields = info.getFields();
int bFieldsLength = binaryFields == null ? 0 : binaryFields.length;
IBinaryField[] unresolvedFields = null;
boolean hasUnresolvedFields = false;
// Report as many accurate matches as possible
int accuracy = SearchMatch.A_ACCURATE;
boolean mustResolve = pattern.mustResolve;
if (mustResolve) {
BinaryTypeBinding binding = locator.cacheBinaryType(binaryType, info);
if (binding != null) {
// filter out element not in hierarchy scope
if (!locator.typeInHierarchy(binding)) return;
// Search matches on resolved methods
MethodBinding[] availableMethods = binding.availableMethods();
int aMethodsLength = availableMethods == null ? 0 : availableMethods.length;
hasUnresolvedMethods = bMethodsLength != aMethodsLength;
for (int i = 0; i < aMethodsLength; i++) {
MethodBinding method = availableMethods[i];
char[] methodSignature = method.genericSignature();
if (methodSignature == null) methodSignature = method.signature();
// Report the match if possible
int level = locator.patternLocator.resolveLevel(method);
if (level != PatternLocator.IMPOSSIBLE_MATCH) {
IMethod methodHandle =
binaryType.getMethod(
new String(
method.isConstructor()
? binding.compoundName[binding.compoundName.length - 1]
: method.selector),
CharOperation.toStrings(
Signature.getParameterTypes(convertClassFileFormat(methodSignature))));
accuracy =
level == PatternLocator.ACCURATE_MATCH
? SearchMatch.A_ACCURATE
: SearchMatch.A_INACCURATE;
locator.reportBinaryMemberDeclaration(null, methodHandle, method, info, accuracy);
}
// Remove method from unresolved list
if (hasUnresolvedMethods) {
if (binaryMethodSignatures
== null) { // Store binary method signatures to avoid multiple computation
binaryMethodSignatures = new char[bMethodsLength][];
for (int j = 0; j < bMethodsLength; j++) {
IBinaryMethod binaryMethod = binaryMethods[j];
char[] signature = binaryMethod.getGenericSignature();
if (signature == null) signature = binaryMethod.getMethodDescriptor();
binaryMethodSignatures[j] = signature;
}
}
for (int j = 0; j < bMethodsLength; j++) {
if (CharOperation.equals(binaryMethods[j].getSelector(), method.selector)
&& CharOperation.equals(binaryMethodSignatures[j], methodSignature)) {
if (unresolvedMethods == null) {
System.arraycopy(
binaryMethods,
0,
unresolvedMethods = new IBinaryMethod[bMethodsLength],
0,
bMethodsLength);
}
unresolvedMethods[j] = null;
break;
}
}
}
}
// Search matches on resolved fields
FieldBinding[] availableFields = binding.availableFields();
int aFieldsLength = availableFields == null ? 0 : availableFields.length;
hasUnresolvedFields = bFieldsLength != aFieldsLength;
for (int i = 0; i < aFieldsLength; i++) {
FieldBinding field = availableFields[i];
// Report the match if possible
int level = locator.patternLocator.resolveLevel(field);
if (level != PatternLocator.IMPOSSIBLE_MATCH) {
IField fieldHandle = binaryType.getField(new String(field.name));
accuracy =
level == PatternLocator.ACCURATE_MATCH
? SearchMatch.A_ACCURATE
: SearchMatch.A_INACCURATE;
locator.reportBinaryMemberDeclaration(null, fieldHandle, field, info, accuracy);
}
// Remove the field from unresolved list
if (hasUnresolvedFields) {
for (int j = 0; j < bFieldsLength; j++) {
if (CharOperation.equals(binaryFields[j].getName(), field.name)) {
if (unresolvedFields == null) {
System.arraycopy(
binaryFields,
0,
unresolvedFields = new IBinaryField[bFieldsLength],
0,
bFieldsLength);
}
unresolvedFields[j] = null;
break;
}
}
}
}
// If all methods/fields were accurate then returns now
if (!hasUnresolvedMethods && !hasUnresolvedFields) {
return;
}
}
accuracy = SearchMatch.A_INACCURATE;
}
// Report inaccurate methods
if (mustResolve) binaryMethods = unresolvedMethods;
bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length;
for (int i = 0; i < bMethodsLength; i++) {
IBinaryMethod method = binaryMethods[i];
if (method == null) continue; // impossible match or already reported as accurate
if (matchBinary(pattern, method, info)) {
char[] name;
if (method.isConstructor()) {
name = info.getName();
int lastSlash = CharOperation.lastIndexOf('/', name);
if (lastSlash != -1) {
name = CharOperation.subarray(name, lastSlash + 1, name.length);
}
} else {
name = method.getSelector();
}
String selector = new String(name);
char[] methodSignature = binaryMethodSignatures == null ? null : binaryMethodSignatures[i];
if (methodSignature == null) {
methodSignature = method.getGenericSignature();
if (methodSignature == null) methodSignature = method.getMethodDescriptor();
}
String[] parameterTypes =
CharOperation.toStrings(
Signature.getParameterTypes(convertClassFileFormat(methodSignature)));
IMethod methodHandle = binaryType.getMethod(selector, parameterTypes);
methodHandle =
new ResolvedBinaryMethod(binaryType, selector, parameterTypes, methodHandle.getKey());
locator.reportBinaryMemberDeclaration(null, methodHandle, null, info, accuracy);
}
}
// Report inaccurate fields
if (mustResolve) binaryFields = unresolvedFields;
bFieldsLength = binaryFields == null ? 0 : binaryFields.length;
for (int i = 0; i < bFieldsLength; i++) {
IBinaryField field = binaryFields[i];
if (field == null) continue; // impossible match or already reported as accurate
if (matchBinary(pattern, field, info)) {
String fieldName = new String(field.getName());
IField fieldHandle = binaryType.getField(fieldName);
fieldHandle = new ResolvedBinaryField(binaryType, fieldName, fieldHandle.getKey());
locator.reportBinaryMemberDeclaration(null, fieldHandle, null, info, accuracy);
}
}
}
public static char[] getSimpleNameAsCharArray(char[] name) {
int index = CharOperation.lastIndexOf('.', name);
char[] subarray = CharOperation.subarray(name, index + 1, name.length);
subarray = CharOperation.replaceOnCopy(subarray, '$', '.');
return subarray;
}