Java Code Examples for org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException#ErrInvalidMethodSignature

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Example 1
Source File: BinaryIndexer.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
private char[] decodeFieldType(char[] signature) throws ClassFormatException {
	if (signature == null) return null;
	int arrayDim = 0;
	for (int i = 0, max = signature.length; i < max; i++) {
		switch(signature[i]) {
			case 'B':
				if (arrayDim > 0)
					return convertToArrayType(BYTE, arrayDim);
				return BYTE;

			case 'C':
				if (arrayDim > 0)
					return convertToArrayType(CHAR, arrayDim);
				return CHAR;

			case 'D':
				if (arrayDim > 0)
					return convertToArrayType(DOUBLE, arrayDim);
				return DOUBLE;

			case 'F':
				if (arrayDim > 0)
					return convertToArrayType(FLOAT, arrayDim);
				return FLOAT;

			case 'I':
				if (arrayDim > 0)
				return convertToArrayType(INT, arrayDim);
				return INT;

			case 'J':
				if (arrayDim > 0)
					return convertToArrayType(LONG, arrayDim);
				return LONG;

			case 'L':
				int indexOfSemiColon = CharOperation.indexOf(';', signature, i+1);
				if (indexOfSemiColon == -1) throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
				if (arrayDim > 0) {
					return convertToArrayType(replace('/','.',CharOperation.subarray(signature, i + 1, indexOfSemiColon)), arrayDim);
				}
				return replace('/','.',CharOperation.subarray(signature, i + 1, indexOfSemiColon));

			case 'S':
				if (arrayDim > 0)
					return convertToArrayType(SHORT, arrayDim);
				return SHORT;

			case 'Z':
				if (arrayDim > 0)
					return convertToArrayType(BOOLEAN, arrayDim);
				return BOOLEAN;

			case 'V':
				return VOID;

			case '[':
				arrayDim++;
				break;

			default:
				throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
		}
	}
	return null;
}
Example 2
Source File: BinaryIndexer.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
private char[] decodeReturnType(char[] signature) throws ClassFormatException {
	if (signature == null) return null;
	int indexOfClosingParen = CharOperation.lastIndexOf(')', signature);
	if (indexOfClosingParen == -1) throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
	int arrayDim = 0;
	for (int i = indexOfClosingParen + 1, max = signature.length; i < max; i++) {
		switch(signature[i]) {
			case 'B':
				if (arrayDim > 0)
					return convertToArrayType(BYTE, arrayDim);
				return BYTE;

			case 'C':
				if (arrayDim > 0)
					return convertToArrayType(CHAR, arrayDim);
				return CHAR;

			case 'D':
				if (arrayDim > 0)
					return convertToArrayType(DOUBLE, arrayDim);
				return DOUBLE;

			case 'F':
				if (arrayDim > 0)
					return convertToArrayType(FLOAT, arrayDim);
				return FLOAT;

			case 'I':
				if (arrayDim > 0)
					return convertToArrayType(INT, arrayDim);
				return INT;

			case 'J':
				if (arrayDim > 0)
					return convertToArrayType(LONG, arrayDim);
				return LONG;

			case 'L':
				int indexOfSemiColon = CharOperation.indexOf(';', signature, i+1);
				if (indexOfSemiColon == -1) throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
				if (arrayDim > 0) {
					return convertToArrayType(replace('/','.',CharOperation.subarray(signature, i + 1, indexOfSemiColon)), arrayDim);
				}
				return replace('/','.',CharOperation.subarray(signature, i + 1, indexOfSemiColon));

			case 'S':
				if (arrayDim > 0)
					return convertToArrayType(SHORT, arrayDim);
				return SHORT;

			case 'Z':
				if (arrayDim > 0)
					return convertToArrayType(BOOLEAN, arrayDim);
				return BOOLEAN;

			case 'V':
				return VOID;

			case '[':
				arrayDim++;
				break;

			default:
				throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
		}
	}
	return null;
}
Example 3
Source File: BinaryIndexer.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
private int extractArgCount(char[] signature, char[] className) throws ClassFormatException {
	int indexOfClosingParen = CharOperation.lastIndexOf(')', signature);
	if (indexOfClosingParen == 1) {
		// there is no parameter
		return 0;
	}
	if (indexOfClosingParen == -1) {
		throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
	}
	int parameterTypesCounter = 0;
	for (int i = 1; i < indexOfClosingParen; i++) {
		switch(signature[i]) {
			case 'B':
			case 'C':
			case 'D':
			case 'F':
			case 'I':
			case 'J':
			case 'S':
			case 'Z':
				parameterTypesCounter++;
				break;
			case 'L':
				int indexOfSemiColon = CharOperation.indexOf(';', signature, i+1);
				if (indexOfSemiColon == -1) throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
				// verify if first parameter is synthetic
				if (className != null && parameterTypesCounter == 0) {
					char[] classSignature = Signature.createCharArrayTypeSignature(className, true);
					int length = indexOfSemiColon-i+1;
					if (classSignature.length > (length+1)) {
						// synthetic means that parameter type has same signature than given class
						for (int j=i, k=0; j<indexOfSemiColon; j++, k++) {
							if (!(signature[j] == classSignature[k] || (signature[j] == '/' && classSignature[k] == '.' ))) {
								parameterTypesCounter++;
								break;
							}
						}
					} else {
						parameterTypesCounter++;
					}
					className = null; // do not verify following parameters
				} else {
					parameterTypesCounter++;
				}
				i = indexOfSemiColon;
				break;
			case '[':
				break;
			default:
				throw new ClassFormatException(ClassFormatException.ErrInvalidMethodSignature);
		}
	}
	return parameterTypesCounter;
}