Attachment #21968 for bug #97275

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import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.ast.Wildcard;

/*
 * Converts a binding key into a signature 
 */
// TODO (jerome) handle methods and fields
public class KeyToSignature extends BindingKeyParser {
	
	public static final int SIGNATURE = 0;

			this.signature.append(Signature.C_PARAM_START);
			char[][] parameters = Signature.getParameterTypes(methodSignature);
			for (int i = 0, parametersLength = parameters.length; i < parametersLength; i++)
				substitute(parameters[i], typeParameterSigs, typeParametersSize);
			this.signature.append(Signature.C_PARAM_END);
			
			// substitute return type
			char[] returnType = Signature.getReturnType(methodSignature);
			substitute(returnType, typeParameterSigs, typeParametersSize);
			this.signature.append(returnType);

			// substitute exceptions
			char[][] exceptions = Signature.getThrownExceptionTypes(methodSignature);
			for (int i = 0, exceptionsLength = exceptions.length; i < exceptionsLength; i++) {
				this.signature.append(Signature.C_EXCEPTION_START);
				substitute(exceptions[i], typeParameterSigs, typeParametersSize);
			}
		
		}
	}
	
	/*
	 * Substitutes the type variables referenced in the given parameter (a parameterized type signature) with the corresponding
	 * type argument.
	 * Appends the given parameter if it is not a parameterized type signature.
	 */
	private void substitute(char[] parameter, char[][] typeParameterSigs, int typeParametersLength) {
		for (int i = 0; i < typeParametersLength; i++) {
			if (CharOperation.equals(parameter, typeParameterSigs[i])) {
				String typeArgument = ((KeyToSignature) this.arguments.get(i)).signature.toString();
				this.signature.append(typeArgument);
				return;
			}
		}
		int genericStart = CharOperation.indexOf(Signature.C_GENERIC_START, parameter);
		if (genericStart > -1) {
			this.signature.append(CharOperation.subarray(parameter, 0, genericStart));
			char[][] parameters = Signature.getTypeArguments(parameter);
			this.signature.append(Signature.C_GENERIC_START);
			for (int j = 0, paramsLength = parameters.length; j < paramsLength; j++)
				substitute(parameters[j], typeParameterSigs, typeParametersLength);
			this.signature.append(Signature.C_GENERIC_END);
			this.signature.append(Signature.C_SEMICOLON);
		} else {
			this.signature.append(parameter);
		}
	}
	
	public void consumeParameterizedType(char[] simpleTypeName, boolean isRaw) {

Return to bug 97275

Lines 16-25 Link Here

(-)model/org/eclipse/jdt/internal/core/util/KeyToSignature.java (-11 / +23 lines)
16	import org.eclipse.jdt.core.compiler.CharOperation;	16	import org.eclipse.jdt.core.compiler.CharOperation;
17	import org.eclipse.jdt.internal.compiler.ast.Wildcard;	17	import org.eclipse.jdt.internal.compiler.ast.Wildcard;
18		18
19	/*
20	* Converts a binding key into a signature
21	*/
22	// TODO (jerome) handle methods and fields
23	public class KeyToSignature extends BindingKeyParser {	19	public class KeyToSignature extends BindingKeyParser {
24		20
25	public static final int SIGNATURE = 0;	21	public static final int SIGNATURE = 0;
Lines 101-132 Link Here
101	this.signature.append(Signature.C_PARAM_START);	97	this.signature.append(Signature.C_PARAM_START);
102	char[][] parameters = Signature.getParameterTypes(methodSignature);	98	char[][] parameters = Signature.getParameterTypes(methodSignature);
103	for (int i = 0, parametersLength = parameters.length; i < parametersLength; i++)	99	for (int i = 0, parametersLength = parameters.length; i < parametersLength; i++)
104	this.signature.append(substitute(parameters[i], typeParameterSigs, typeParametersSize));	100	substitute(parameters[i], typeParameterSigs, typeParametersSize);
105	this.signature.append(Signature.C_PARAM_END);	101	this.signature.append(Signature.C_PARAM_END);
106		102
107	// substitute return type	103	// substitute return type
108	char[] returnType = Signature.getReturnType(methodSignature);	104	char[] returnType = Signature.getReturnType(methodSignature);
109	returnType = substitute(returnType, typeParameterSigs, typeParametersSize);	105	substitute(returnType, typeParameterSigs, typeParametersSize);
110	this.signature.append(returnType);
111		106
112	// substitute exceptions	107	// substitute exceptions
113	char[][] exceptions = Signature.getThrownExceptionTypes(methodSignature);	108	char[][] exceptions = Signature.getThrownExceptionTypes(methodSignature);
114	for (int i = 0, exceptionsLength = exceptions.length; i < exceptionsLength; i++) {	109	for (int i = 0, exceptionsLength = exceptions.length; i < exceptionsLength; i++) {
115	this.signature.append(Signature.C_EXCEPTION_START);	110	this.signature.append(Signature.C_EXCEPTION_START);
116	this.signature.append(substitute(exceptions[i], typeParameterSigs, typeParametersSize));	111	substitute(exceptions[i], typeParameterSigs, typeParametersSize);
117	}	112	}
118		113
119	}	114	}
120	}	115	}
121		116
122	private char[] substitute(char[] parameter, char[][] typeParameterSigs, int typeParametersLength) {	117	/*
		118	* Substitutes the type variables referenced in the given parameter (a parameterized type signature) with the corresponding
		119	* type argument.
		120	* Appends the given parameter if it is not a parameterized type signature.
		121	*/
		122	private void substitute(char[] parameter, char[][] typeParameterSigs, int typeParametersLength) {
123	for (int i = 0; i < typeParametersLength; i++) {	123	for (int i = 0; i < typeParametersLength; i++) {
124	if (CharOperation.equals(parameter, typeParameterSigs[i])) {	124	if (CharOperation.equals(parameter, typeParameterSigs[i])) {
125	String typeArgument = ((KeyToSignature) this.arguments.get(i)).signature.toString();	125	String typeArgument = ((KeyToSignature) this.arguments.get(i)).signature.toString();
126	return typeArgument.toCharArray();	126	this.signature.append(typeArgument);
		127	return;
127	}	128	}
128	}	129	}
129	return parameter;	130	int genericStart = CharOperation.indexOf(Signature.C_GENERIC_START, parameter);
		131	if (genericStart > -1) {
		132	this.signature.append(CharOperation.subarray(parameter, 0, genericStart));
		133	char[][] parameters = Signature.getTypeArguments(parameter);
		134	this.signature.append(Signature.C_GENERIC_START);
		135	for (int j = 0, paramsLength = parameters.length; j < paramsLength; j++)
		136	substitute(parameters[j], typeParameterSigs, typeParametersLength);
		137	this.signature.append(Signature.C_GENERIC_END);
		138	this.signature.append(Signature.C_SEMICOLON);
		139	} else {
		140	this.signature.append(parameter);
		141	}
130	}	142	}
131		143
132	public void consumeParameterizedType(char[] simpleTypeName, boolean isRaw) {	144	public void consumeParameterizedType(char[] simpleTypeName, boolean isRaw) {