Expression.java
| Index Score | ||
|---|---|---|
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net.sourceforge.phpdt.internal.compiler.ast |
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PHPeclipse |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LINE_COMMENT | Number of line comments |  |
| JAVA0031 | JAVA0031 Case statement not properly closed | |
| JAVA0078 | JAVA0078 Floating point values compared with == | |
| RETURNS | Number of return points from functions | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| CYCLOMATIC | Cyclomatic complexity | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| COMMENTS | Comment lines | |
| COMPARISONS | Number of comparison operators | |
| EXEC_COMMENTS | Comments in executable code | |
| SIZE | Size of the file in bytes | |
| JAVA0007 | JAVA0007 Should not declare public field | |
| LINES | Number of lines in the source file | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LOOPS | Number of loops | |
| BLOCKS | Number of blocks | |
| ELOC | Effective lines of code | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package net.sourceforge.phpdt.internal.compiler.ast;
import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
import net.sourceforge.phpdt.internal.compiler.impl.Constant;
import net.sourceforge.phpdt.internal.compiler.lookup.BaseTypeBinding;
import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
public class Expression extends Statement {
// some expression may not be used - from a java semantic point
// of view only - as statements. Other may. In order to avoid the creation
// of wrappers around expression in order to tune them as expression
// Expression is a subclass of Statement. See the message
// isValidJavaStatement()
public int implicitConversion;
public TypeBinding resolvedType;
public Constant constant;
public Expression() {
super();
}
public FlowInfo analyseCode(BlockScope currentScope,
FlowContext flowContext, FlowInfo flowInfo) {
return flowInfo;
}
public FlowInfo analyseCode(BlockScope currentScope,
FlowContext flowContext, FlowInfo flowInfo, boolean valueRequired) {
return analyseCode(currentScope, flowContext, flowInfo);
}
/**
* Constant usable for bytecode pattern optimizations, but cannot be inlined
* since it is not strictly equivalent to the definition of constant
* expressions. In particular, some side-effects may be required to occur
* (only the end value is known). Constant is known to be of boolean type
*/
public Constant optimizedBooleanConstant() {
return this.constant;
}
public static final boolean isConstantValueRepresentable(Constant constant,
int constantTypeID, int targetTypeID) {
// true if there is no loss of precision while casting.
// constantTypeID == constant.typeID
if (targetTypeID == constantTypeID)
return true;
switch (targetTypeID) {
case T_char:
switch (constantTypeID) {
case T_char:
return true;
case T_double:
return constant.doubleValue() == constant.charValue();
case T_float:
return constant.floatValue() == constant.charValue();
case T_int:
return constant.intValue() == constant.charValue();
case T_short:
return constant.shortValue() == constant.charValue();
case T_byte:
return constant.byteValue() == constant.charValue();
case T_long:
return constant.longValue() == constant.charValue();
default:
return false;// boolean
}
case T_float:
switch (constantTypeID) {
case T_char:
return constant.charValue() == constant.floatValue();
case T_double:
return constant.doubleValue() == constant.floatValue();
case T_float:
return true;
case T_int:
return constant.intValue() == constant.floatValue();
case T_short:
return constant.shortValue() == constant.floatValue();
case T_byte:
return constant.byteValue() == constant.floatValue();
case T_long:
return constant.longValue() == constant.floatValue();
default:
return false;// boolean
}
case T_double:
switch (constantTypeID) {
case T_char:
return constant.charValue() == constant.doubleValue();
case T_double:
return true;
case T_float:
return constant.floatValue() == constant.doubleValue();
case T_int:
return constant.intValue() == constant.doubleValue();
case T_short:
return constant.shortValue() == constant.doubleValue();
case T_byte:
return constant.byteValue() == constant.doubleValue();
case T_long:
return constant.longValue() == constant.doubleValue();
default:
return false; // boolean
}
case T_byte:
switch (constantTypeID) {
case T_char:
return constant.charValue() == constant.byteValue();
case T_double:
return constant.doubleValue() == constant.byteValue();
case T_float:
return constant.floatValue() == constant.byteValue();
case T_int:
return constant.intValue() == constant.byteValue();
case T_short:
return constant.shortValue() == constant.byteValue();
case T_byte:
return true;
case T_long:
return constant.longValue() == constant.byteValue();
default:
return false; // boolean
}
case T_short:
switch (constantTypeID) {
case T_char:
return constant.charValue() == constant.shortValue();
case T_double:
return constant.doubleValue() == constant.shortValue();
case T_float:
return constant.floatValue() == constant.shortValue();
case T_int:
return constant.intValue() == constant.shortValue();
case T_short:
return true;
case T_byte:
return constant.byteValue() == constant.shortValue();
case T_long:
return constant.longValue() == constant.shortValue();
default:
return false; // boolean
}
case T_int:
switch (constantTypeID) {
case T_char:
return constant.charValue() == constant.intValue();
case T_double:
return constant.doubleValue() == constant.intValue();
case T_float:
return constant.floatValue() == constant.intValue();
case T_int:
return true;
case T_short:
return constant.shortValue() == constant.intValue();
case T_byte:
return constant.byteValue() == constant.intValue();
case T_long:
return constant.longValue() == constant.intValue();
default:
return false; // boolean
}
case T_long:
switch (constantTypeID) {
case T_char:
return constant.charValue() == constant.longValue();
case T_double:
return constant.doubleValue() == constant.longValue();
case T_float:
return constant.floatValue() == constant.longValue();
case T_int:
return constant.intValue() == constant.longValue();
case T_short:
return constant.shortValue() == constant.longValue();
case T_byte:
return constant.byteValue() == constant.longValue();
case T_long:
return true;
default:
return false; // boolean
}
default:
return false; // boolean
}
}
/**
* Expression statements are plain expressions, however they generate like
* normal expressions with no value required.
*
* @param currentScope
* net.sourceforge.phpdt.internal.compiler.lookup.BlockScope
* @param codeStream
* net.sourceforge.phpdt.internal.compiler.codegen.CodeStream
*/
// public void generateCode(BlockScope currentScope, CodeStream codeStream)
// {
//
// if ((bits & IsReachableMASK) == 0) {
// return;
// }
// generateCode(currentScope, codeStream, false);
// }
/**
* Every expression is responsible for generating its implicit conversion
* when necessary.
*
* @param currentScope
* net.sourceforge.phpdt.internal.compiler.lookup.BlockScope
* @param codeStream
* net.sourceforge.phpdt.internal.compiler.codegen.CodeStream
* @param valueRequired
* boolean
*/
// public void generateCode(
// BlockScope currentScope,
// CodeStream codeStream,
// boolean valueRequired) {
//
// if (constant != NotAConstant) {
// // generate a constant expression
// int pc = codeStream.position;
// codeStream.generateConstant(constant, implicitConversion);
// codeStream.recordPositionsFrom(pc, this.sourceStart);
// } else {
// // actual non-constant code generation
// throw new ShouldNotImplement(ProjectPrefUtil.bind("ast.missingCode"));
// //$NON-NLS-1$
// }
// }
/**
* Default generation of a boolean value
*/
// public void generateOptimizedBoolean(
// BlockScope currentScope,
// CodeStream codeStream,
// Label trueLabel,
// Label falseLabel,
// boolean valueRequired) {
//
// // a label valued to nil means: by default we fall through the case...
// // both nil means we leave the value on the stack
//
// if ((constant != Constant.NotAConstant) && (constant.typeID() ==
// T_boolean)) {
// int pc = codeStream.position;
// if (constant.booleanValue() == true) {
// // constant == true
// if (valueRequired) {
// if (falseLabel == null) {
// // implicit falling through the FALSE case
// if (trueLabel != null) {
// codeStream.goto_(trueLabel);
// }
// }
// }
// } else {
// if (valueRequired) {
// if (falseLabel != null) {
// // implicit falling through the TRUE case
// if (trueLabel == null) {
// codeStream.goto_(falseLabel);
// }
// }
// }
// }
// codeStream.recordPositionsFrom(pc, this.sourceStart);
// return;
// }
// generateCode(currentScope, codeStream, valueRequired);
// // branching
// int position = codeStream.position;
// if (valueRequired) {
// if (falseLabel == null) {
// if (trueLabel != null) {
// // Implicit falling through the FALSE case
// codeStream.ifne(trueLabel);
// }
// } else {
// if (trueLabel == null) {
// // Implicit falling through the TRUE case
// codeStream.ifeq(falseLabel);
// } else {
// // No implicit fall through TRUE/FALSE --> should never occur
// }
// }
// }
// // reposition the endPC
// codeStream.updateLastRecordedEndPC(position);
// }
//
// /* Optimized (java) code generation for string concatenations that
// involve StringBuffer
// * creation: going through this path means that there is no need for a new
// StringBuffer
// * creation, further operands should rather be only appended to the
// current one.
// * By default: no optimization.
// */
// public void generateOptimizedStringBuffer(
// BlockScope blockScope,
// net.sourceforge.phpdt.internal.compiler.codegen.CodeStream codeStream,
// int typeID) {
//
// generateCode(blockScope, codeStream, true);
// codeStream.invokeStringBufferAppendForType(typeID);
// }
/*
* Optimized (java) code generation for string concatenations that involve
* StringBuffer creation: going through this path means that there is no
* need for a new StringBuffer creation, further operands should rather be
* only appended to the current one.
*/
// public void generateOptimizedStringBufferCreation(
// BlockScope blockScope,
// CodeStream codeStream,
// int typeID) {
//
// // Optimization only for integers and strings
// if (typeID == T_Object) {
// // in the case the runtime value of valueOf(Object) returns null, we have
// to use append(Object) instead of directly valueOf(Object)
// // append(Object) returns append(valueOf(Object)), which means that the
// null case is handled by append(String).
// codeStream.newStringBuffer();
// codeStream.dup();
// codeStream.invokeStringBufferDefaultConstructor();
// generateCode(blockScope, codeStream, true);
// codeStream.invokeStringBufferAppendForType(T_Object);
// return;
// }
// codeStream.newStringBuffer();
// codeStream.dup();
// if (typeID == T_String || typeID == T_null) {
// if (constant != NotAConstant) {
// codeStream.ldc(constant.stringValue());
// } else {
// generateCode(blockScope, codeStream, true);
// codeStream.invokeStringValueOf(T_Object);
// }
// } else {
// generateCode(blockScope, codeStream, true);
// codeStream.invokeStringValueOf(typeID);
// }
// codeStream.invokeStringBufferStringConstructor();
// }
// Base types need that the widening is explicitly done by the compiler
// using some bytecode like i2f
public void implicitWidening(TypeBinding runtimeTimeType,
TypeBinding compileTimeType) {
if (runtimeTimeType == null || compileTimeType == null)
return;
// if (compileTimeType.id == T_null) {
// // this case is possible only for constant null
// // The type of runtime is a reference type
// // The code gen use the constant id thus any value
// // for the runtime id (akak the <<4) could be used.
// // T_Object is used as some general T_reference
// implicitConversion = (T_Object << 4) + T_null;
// return;
// }
switch (runtimeTimeType.id) {
case T_byte:
case T_short:
case T_char:
implicitConversion = (T_int << 4) + compileTimeType.id;
break;
case T_String:
case T_float:
case T_boolean:
case T_double:
case T_int: // implicitConversion may result in i2i which will result in
// NO code gen
case T_long:
implicitConversion = (runtimeTimeType.id << 4) + compileTimeType.id;
break;
default: // nothing on regular object ref
}
}
public boolean isCompactableOperation() {
return false;
}
// Return true if the conversion is done AUTOMATICALLY by the vm
// while the javaVM is an int based-machine, thus for example pushing
// a byte onto the stack , will automatically creates a int on the stack
// (this request some work d be done by the VM on signed numbers)
public boolean isConstantValueOfTypeAssignableToType(
TypeBinding constantType, TypeBinding targetType) {
if (constant == Constant.NotAConstant)
return false;
if (constantType == targetType)
return true;
if (constantType.isBaseType() && targetType.isBaseType()) {
// No free assignment conversion from anything but to integral ones.
if ((constantType == IntBinding || BaseTypeBinding.isWidening(
T_int, constantType.id))
&& (BaseTypeBinding.isNarrowing(targetType.id, T_int))) {
// use current explicit conversion in order to get some new
// value to compare with current one
return isConstantValueRepresentable(constant, constantType.id,
targetType.id);
}
}
return false;
}
public boolean isTypeReference() {
return false;
}
public StringBuffer print(int indent, StringBuffer output) {
printIndent(indent, output);
return printExpression(indent, output);
}
public StringBuffer printExpression(int indent, StringBuffer output) {
output.append(super.toString(0));
return output;
}
public StringBuffer printStatement(int indent, StringBuffer output) {
return print(indent, output).append(";"); //$NON-NLS-1$
}
public void resolve(BlockScope scope) {
// drops the returning expression's type whatever the type is.
this.resolveType(scope);
return;
}
public TypeBinding resolveType(BlockScope scope) {
// by default... subclasses should implement a better TC if required.
return null;
}
public TypeBinding resolveTypeExpecting(BlockScope scope,
TypeBinding expectedType) {
TypeBinding expressionType = this.resolveType(scope);
if (expressionType == null)
return null;
if (expressionType == expectedType)
return expressionType;
if (!expressionType.isCompatibleWith(expectedType)) {
scope.problemReporter().typeMismatchError(expressionType,
expectedType, this);
return null;
}
return expressionType;
}
public String toString(int tab) {
// Subclass re-define toStringExpression
String s = tabString(tab);
if (constant != null)
// before TC has runned
if (constant != NotAConstant)
// after the TC has runned
s += " /*cst:" + constant.toString() + "*/ "; //$NON-NLS-1$ //$NON-NLS-2$
return s + toStringExpression(tab);
}
// Subclass re-define toStringExpression
// This method is abstract and should never be called
// but we provide some code that is running.....just in case
// of developpement time (while every thing is not built)
public String toStringExpression() {
return super.toString(0);
}
public String toStringExpression(int tab) {
// default is regular toString expression (qualified allocation
// expressions redifine this method)
return this.toStringExpression();
}
public Expression toTypeReference() {
// by default undefined
// this method is meanly used by the parser in order to transform
// an expression that is used as a type reference in a cast ....
// --appreciate the fact that castExpression and
// ExpressionWithParenthesis
// --starts with the same pattern.....
return this;
}
}
The table below shows all metrics for Expression.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 22.00 | Number of blocks | |
| BLOCK_COMMENT | 6.00 | Number of block comment lines | |
| COMMENTS | 219.00 | Comment lines | |
| COMMENT_DENSITY | 0.96 | Comment density | |
| COMPARISONS | 59.00 | Number of comparison operators | |
| CYCLOMATIC | 108.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 13.00 | Comments in declarations | |
| DOC_COMMENT | 39.00 | Number of javadoc comment lines | |
| ELOC | 227.00 | Effective lines of code | |
| EXEC_COMMENTS | 13.00 | Comments in executable code | |
| EXITS | 24.00 | Procedure exits | |
| FUNCTIONS | 19.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 85.77 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 109.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 3.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 8.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 8.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 1.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 1.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 22.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 1.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 2.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 1.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 3.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 12.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 928.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 4.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 527.00 | Number of lines in the source file | |
| LINE_COMMENT | 174.00 | Number of line comments | |
| LOC | 259.00 | Lines of code | |
| LOGICAL_LINES | 103.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 474.00 | Number of operands | |
| OPERATORS | 1047.00 | Number of operators | |
| PARAMS | 26.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1521.00 | Halstead program length | |
| PROGRAM_VOCAB | 143.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 83.00 | Number of return points from functions | |
| SIZE | 16099.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 105.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 38.00 | Number of unique operators | |
| WHITESPACE | 49.00 | Number of whitespace lines | |