/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.jsdt.core;
import java.util.StringTokenizer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.wst.jsdt.core.compiler.CharOperation;
import org.eclipse.wst.jsdt.core.compiler.InvalidInputException;
import org.eclipse.wst.jsdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.wst.jsdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.wst.jsdt.internal.compiler.parser.Scanner;
import org.eclipse.wst.jsdt.internal.compiler.parser.ScannerHelper;
import org.eclipse.wst.jsdt.internal.compiler.parser.TerminalTokens;
import org.eclipse.wst.jsdt.internal.core.ClasspathEntry;
import org.eclipse.wst.jsdt.internal.core.JavaModelStatus;
import org.eclipse.wst.jsdt.internal.core.util.Messages;
/**
* Provides methods for checking JavaScript-specific conventions such as name syntax.
* <p>
* This class provides static methods and constants only; it is not intended to be
* instantiated or subclassed by clients.
* </p>
*
* Provisional API: This class/interface is part of an interim API that is still under development and expected to
* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
* (repeatedly) as the API evolves.
*/
public final class JavaScriptConventions {
private static final char DOT= '.';
private static final Scanner SCANNER = new Scanner(false /*comment*/, true /*whitespace*/, false /*nls*/, ClassFileConstants.JDK1_3 /*sourceLevel*/, null/*taskTag*/, null/*taskPriorities*/, true /*taskCaseSensitive*/);
private JavaScriptConventions() {
// Not instantiable
}
/*
* Returns the current identifier extracted by the scanner (without unicode
* escapes) from the given id and for the given source and compliance levels.
* Returns <code>null</code> if the id was not valid
*/
private static synchronized char[] scannedIdentifier(String id, String sourceLevel, String complianceLevel) {
if (id == null) {
return null;
}
// Set scanner for given source and compliance levels
SCANNER.sourceLevel = sourceLevel == null ? ClassFileConstants.JDK1_3 : CompilerOptions.versionToJdkLevel(sourceLevel);
SCANNER.complianceLevel = complianceLevel == null ? ClassFileConstants.JDK1_3 : CompilerOptions.versionToJdkLevel(complianceLevel);
try {
SCANNER.setSource(id.toCharArray());
int token = SCANNER.scanIdentifier();
if (token != TerminalTokens.TokenNameIdentifier) return null;
if (SCANNER.currentPosition == SCANNER.eofPosition) { // to handle case where we had an ArrayIndexOutOfBoundsException
try {
return SCANNER.getCurrentIdentifierSource();
} catch (ArrayIndexOutOfBoundsException e) {
return null;
}
} else {
return null;
}
}
catch (InvalidInputException e) {
return null;
}
}
/**
* Validate the given javaScript unit name.
* <p>
* A javaScript unit name must obey the following rules:
* <ul>
* <li> it must not be null
* <li> it must be suffixed by a dot ('.') followed by one of the
* {@link JavaScriptCore#getJavaScriptLikeExtensions() JavaScript-like extensions}
* <li> its prefix must be a valid identifier
* <li> it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
* </ul>
* </p>
* @param name the name of a javaScript unit
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a javaScript unit name, otherwise a status
* object indicating what is wrong with the name
* @deprecated Use {@link #validateCompilationUnitName(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validateCompilationUnitName(String name) {
return validateCompilationUnitName(name,CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given javaScript unit name for the given source and compliance levels.
* <p>
* A javaScript unit name must obey the following rules:
* <ul>
* <li> it must not be null
* <li> it must be suffixed by a dot ('.') followed by one of the
* {@link JavaScriptCore#getJavaScriptLikeExtensions() JavaScript-like extensions}
* <li> its prefix must be a valid identifier
* <li> it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
* </ul>
* </p>
* @param name the name of a javaScript unit
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a javaScript unit name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateCompilationUnitName(String name, String sourceLevel, String complianceLevel) {
if (name == null) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_unit_nullName, null);
}
if (!org.eclipse.wst.jsdt.internal.core.util.Util.isJavaLikeFileName(name)) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_unit_notJavaName, null);
}
// String identifier;
int index;
index = name.lastIndexOf('.');
if (index == -1) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_unit_notJavaName, null);
}
// identifier = name.substring(0, index);
// JSR-175 metadata strongly recommends "package-info.js" as the
// file in which to store package annotations and
// the package-level spec (replaces package.html)
// if (!identifier.equals(PACKAGE_INFO)) {
// IStatus status = validateIdentifier(identifier, sourceLevel, complianceLevel);
// if (!status.isOK()) {
// return status;
// }
// }
// IStatus status = ResourcesPlugin.getWorkspace().validateName(name, IResource.FILE);
// if (!status.isOK()) {
// return status;
// }
return JavaModelStatus.VERIFIED_OK;
}
/*
* Validate the given .class file name for the given source and compliance levels.
* <p>
* A .class file name must obey the following rules:
* <ul>
* <li> it must not be null
* <li> it must include the <code>".class"</code> suffix
* <li> its prefix must be a valid identifier
* <li> it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
* </ul>
* </p>
* @param name the name of a .class file
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a .class file name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateClassFileName(String name, String sourceLevel, String complianceLevel) {
if (name == null) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_classFile_nullName, null); }
if (!org.eclipse.wst.jsdt.internal.compiler.util.Util.isClassFileName(name)) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_classFile_notClassFileName, null);
}
// String identifier;
int index;
index = name.lastIndexOf('.');
if (index == -1) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_classFile_notClassFileName, null);
}
// identifier = name.substring(0, index);
// JSR-175 metadata strongly recommends "package-info.js" as the
// file in which to store package annotations and
// the package-level spec (replaces package.html)
// if (!identifier.equals(PACKAGE_INFO)) {
// IStatus status = validateIdentifier(identifier, sourceLevel, complianceLevel);
// if (!status.isOK()) {
// return status;
// }
// }
IStatus status = ResourcesPlugin.getWorkspace().validateName(name, IResource.FILE);
if (!status.isOK()) {
return status;
}
return JavaModelStatus.VERIFIED_OK;
}
/**
* Validate the given var or field name.
* <p>
* Syntax of a field name corresponds to VariableDeclaratorId (JLS2 8.3).
* For example, <code>"x"</code>.
*
* @param name the name of a field
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a field name, otherwise a status
* object indicating what is wrong with the name
* @deprecated Use {@link #validateFieldName(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validateFieldName(String name) {
return validateIdentifier(name, CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given var or field name for the given source and compliance levels.
* <p>
* Syntax of a field name corresponds to VariableDeclaratorId (JLS2 8.3).
* For example, <code>"x"</code>.
*
* @param name the name of a field
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a field name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateFieldName(String name, String sourceLevel, String complianceLevel) {
return validateIdentifier(name, sourceLevel, complianceLevel);
}
/**
* Validate the given JavaScript identifier.
* The identifier must not have the same spelling as a JavaScript keyword,
* boolean literal (<code>"true"</code>, <code>"false"</code>), or null literal (<code>"null"</code>).
* A valid identifier can act as a simple type name, method name or field name.
*
* @param id the JavaScript identifier
* @return a status object with code <code>IStatus.OK</code> if
* the given identifier is a valid JavaScript identifier, otherwise a status
* object indicating what is wrong with the identifier
* @deprecated Use {@link #validateIdentifier(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validateIdentifier(String id) {
return validateIdentifier(id,CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given JavaScript identifier for the given source and compliance levels
* The identifier must not have the same spelling as a JavaScript keyword,
* boolean literal (<code>"true"</code>, <code>"false"</code>), or null literal (<code>"null"</code>).
* A valid identifier can act as a simple type name, method name or field name.
*
* @param id the JavaScript identifier
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given identifier is a valid JavaScript identifier, otherwise a status
* object indicating what is wrong with the identifier
*/
public static IStatus validateIdentifier(String id, String sourceLevel, String complianceLevel) {
if (scannedIdentifier(id, sourceLevel, complianceLevel) != null) {
return JavaModelStatus.VERIFIED_OK;
} else {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.bind(Messages.convention_illegalIdentifier, id), null);
}
}
/**
* Validate the given import declaration name for the given source and compliance levels.
* <p>
* The name of an import corresponds to a fully qualified type name.
*
* <p><b>Note: This Method only applies to ECMAScript 4 which is not yet supported</b></p>
*
* @param name the import declaration
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as an import declaration, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateImportDeclaration(String name, String sourceLevel, String complianceLevel) {
if (name == null || name.length() == 0) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_import_nullImport, null);
}
if (name.charAt(name.length() - 1) == '*') {
if (name.charAt(name.length() - 2) == '.') {
return validatePackageName(name.substring(0, name.length() - 2), sourceLevel, complianceLevel);
} else {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_import_unqualifiedImport, null);
}
}
return validatePackageName(name, sourceLevel, complianceLevel);
}
/**
* Validate the given JavaScript type name, either simple or qualified.
* <p>
*
* @param name the name of a type
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a JavaScript type name,
* a status with code <code>IStatus.WARNING</code>
* indicating why the given name is discouraged,
* otherwise a status object indicating what is wrong with
* the name
* @deprecated Use {@link #validateJavaScriptTypeName(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validateJavaScriptTypeName(String name) {
return validateJavaScriptTypeName(name, CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given JavaScript type name, either simple or qualified, for the given source and compliance levels.
* <p>
*
* @param name the name of a type
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a JavaScript type name,
* a status with code <code>IStatus.WARNING</code>
* indicating why the given name is discouraged,
* otherwise a status object indicating what is wrong with
* the name
*/
public static IStatus validateJavaScriptTypeName(String name, String sourceLevel, String complianceLevel) {
if (name == null) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_type_nullName, null);
}
String trimmed = name.trim();
if (!name.equals(trimmed)) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_type_nameWithBlanks, null);
}
int index = name.lastIndexOf('.');
char[] scannedID;
if (index == -1) {
// simple name
scannedID = scannedIdentifier(name, sourceLevel, complianceLevel);
} else {
// qualified name
String pkg = name.substring(0, index).trim();
IStatus status = validatePackageName(pkg, sourceLevel, complianceLevel);
if (!status.isOK()) {
return status;
}
String type = name.substring(index + 1).trim();
scannedID = scannedIdentifier(type, sourceLevel, complianceLevel);
}
if (scannedID != null) {
IStatus status = ResourcesPlugin.getWorkspace().validateName(new String(scannedID), IResource.FILE);
if (!status.isOK()) {
return status;
}
if (CharOperation.contains('$', scannedID)) {
return new Status(IStatus.WARNING, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_type_dollarName, null);
}
if ((scannedID.length > 0 && ScannerHelper.isLowerCase(scannedID[0]))) {
return new Status(IStatus.WARNING, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_type_lowercaseName, null);
}
return JavaModelStatus.VERIFIED_OK;
} else {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.bind(Messages.convention_type_invalidName, name), null);
}
}
/**
* Validate the given function name.
* <p>
*
* @param name the name of a method
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a method name, otherwise a status
* object indicating what is wrong with the name
* @deprecated Use {@link #validateFunctionName(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validateFunctionName(String name) {
return validateFunctionName(name, CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given function name for the given source and compliance levels.
* <p>
*
* @param name the name of a method
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a method name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateFunctionName(String name, String sourceLevel, String complianceLevel) {
return validateIdentifier(name, sourceLevel,complianceLevel);
}
/**
* Validate the given package name.
* <p>
* The syntax of a package name corresponds to PackageName as
* defined by PackageDeclaration.
* <p>
* Note that the given name must be a non-empty package name (that is, attempting to
* validate the default package will return an error status.)
* Also it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
*
* <p><b>Note: This Method only applies to ECMAScript 4 which is not yet supported</b></p>
*
* @param name the name of a package
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a package name, otherwise a status
* object indicating what is wrong with the name
* @deprecated Use {@link #validatePackageName(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validatePackageName(String name) {
return validatePackageName(name, CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given package name for the given source and compliance levels.
* <p>
* The syntax of a package name corresponds to PackageName as
* defined by PackageDeclaration.
* <p>
* Note that the given name must be a non-empty package name (that is, attempting to
* validate the default package will return an error status.)
* Also it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
*
* <p><b>Note: This Method only applies to ECMAScript 4 which is not yet supported</b></p>
*
* @param name the name of a package
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a package name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validatePackageName(String name, String sourceLevel, String complianceLevel) {
if (name == null) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_package_nullName, null);
}
int length;
if ((length = name.length()) == 0) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_package_emptyName, null);
}
if (name.charAt(0) == DOT || name.charAt(length-1) == DOT) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_package_dotName, null);
}
if (CharOperation.isWhitespace(name.charAt(0)) || CharOperation.isWhitespace(name.charAt(name.length() - 1))) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_package_nameWithBlanks, null);
}
int dot = 0;
while (dot != -1 && dot < length-1) {
if ((dot = name.indexOf(DOT, dot+1)) != -1 && dot < length-1 && name.charAt(dot+1) == DOT) {
return new Status(IStatus.ERROR, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_package_consecutiveDotsName, null);
}
}
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IStatus status = workspace.validateName(new String(name), IResource.FOLDER);
if (!status.isOK()) {
return status;
}
StringTokenizer st = new StringTokenizer(name, "."); //$NON-NLS-1$
boolean firstToken = true;
IStatus warningStatus = null;
while (st.hasMoreTokens()) {
String typeName = st.nextToken();
typeName = typeName.trim(); // grammar allows spaces
char[] scannedID = scannedIdentifier(typeName, sourceLevel, complianceLevel);
if (scannedID == null) {
return new Status(IStatus.WARNING, JavaScriptCore.PLUGIN_ID, -1, Messages.bind(Messages.convention_illegalIdentifier, typeName), null);
}
status = workspace.validateName(new String(name), IResource.FOLDER);
if (!status.isOK()) {
return status;
}
if (firstToken && scannedID.length > 0 && ScannerHelper.isUpperCase(scannedID[0])) {
if (warningStatus == null) {
warningStatus = new Status(IStatus.WARNING, JavaScriptCore.PLUGIN_ID, -1, Messages.convention_package_uppercaseName, null);
}
}
firstToken = false;
}
if (warningStatus != null) {
return warningStatus;
}
return JavaModelStatus.VERIFIED_OK;
}
/**
* Validate a given includepath location for a project, using the following rules:
* <ul>
* <li> Includepath entries cannot collide with each other; that is, all entry paths must be unique.
* <li> A project entry cannot refer to itself directly (that is, a project cannot prerequisite itself).
* <li> Includepath entries cannot coincidate or be nested in each other, except for the following scenarii listed below:
* <li> A source/library folder can be nested in any source folder as long as the nested folder is excluded from the enclosing one. </li>
* </ul>
* </ul>
*
* Note that the includepath entries are not validated automatically. Only bound variables or containers are considered
* in the checking process (this allows to perform a consistency check on a includepath which has references to
* yet non existing projects, folders, ...).
* <p>
* This validation is intended to anticipate includepath issues prior to assigning it to a project. In particular, it will automatically
* be performed during the includepath setting operation (if validation fails, the includepath setting will not complete).
* <p>
* @param javaProject the given javaScript project
* @param rawClasspath the given includepath
* @return a status object with code <code>IStatus.OK</code> if
* the given includepath are compatible, otherwise a status
* object indicating what is wrong with the includepath
*/
public static IJavaScriptModelStatus validateClasspath(IJavaScriptProject javaProject, IIncludePathEntry[] rawClasspath) {
return ClasspathEntry.validateClasspath(javaProject, rawClasspath);
}
/**
* Returns a JavaScript model status describing the problem related to this includepath entry if any,
* a status object with code <code>IStatus.OK</code> if the entry is fine (that is, if the
* given includepath entry denotes a valid element to be referenced onto a includepath).
*
* @param project the given javaScript project
* @param entry the given includepath entry
* @param checkSourceAttachment a flag to determine if source attachement should be checked
* @return a javaScript model status describing the problem related to this includepath entry if any, a status object with code <code>IStatus.OK</code> if the entry is fine
*/
public static IJavaScriptModelStatus validateClasspathEntry(IJavaScriptProject project, IIncludePathEntry entry, boolean checkSourceAttachment){
IJavaScriptModelStatus status = ClasspathEntry.validateClasspathEntry(project, entry, checkSourceAttachment, true/*recurse in container*/);
if (status.getCode() == IJavaScriptModelStatusConstants.INVALID_INCLUDEPATH && ((ClasspathEntry) entry).isOptional())
return JavaModelStatus.VERIFIED_OK;
return status;
}
/**
* Validate the given type variable name.
* <p>
*
* <p><b>Note: This Method only applies to ECMAScript 4 which is not yet supported</b></p>
*
* @param name the name of a type variable
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a type variable name, otherwise a status
* object indicating what is wrong with the name
* @deprecated Use {@link #validateTypeVariableName(String id, String sourceLevel, String complianceLevel)} instead
*/
public static IStatus validateTypeVariableName(String name) {
return validateIdentifier(name, CompilerOptions.VERSION_1_3,CompilerOptions.VERSION_1_3);
}
/**
* Validate the given type variable name for the given source and compliance levels.
* <p>
* <p><b>Note: This Method only applies to ECMAScript 4 which is not yet supported</b></p>
*
* @param name the name of a type variable
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if
* the given name is valid as a type variable name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateTypeVariableName(String name, String sourceLevel, String complianceLevel) {
return validateIdentifier(name, sourceLevel, complianceLevel);
}
/*
* Validate that all compiler options of the given project match keys and values
* described in {@link JavaScriptCore#getDefaultOptions()} method.
*
* @param javaProject the given javaScript project
* @param inheritJavaCoreOptions inherit project options from JavaScriptCore or not.
* @return a status object with code <code>IStatus.OK</code> if all project
* compiler options are valid, otherwise a status object indicating what is wrong
* with the keys and their value.
*/
/*
public static IStatus validateCompilerOptions(IJavaScriptProject javaProject, boolean inheritJavaCoreOptions) {
return validateCompilerOptions(javaProject.getOptions(inheritJavaCoreOptions));
}
*/
/*
* Validate that all compiler options of the given project match keys and values
* described in {@link JavaScriptCore#getDefaultOptions()} method.
*
* @param compilerOptions Map of options
* @return a status object with code <code>IStatus.OK</code> if all
* compiler options are valid, otherwise a status object indicating what is wrong
* with the keys and their value.
*/
/*
public static IStatus validateCompilerOptions(Map compilerOptions) {
// Get current options
String compliance = (String) compilerOptions.get(JavaScriptCore.COMPILER_COMPLIANCE);
String source = (String) compilerOptions.get(JavaScriptCore.COMPILER_SOURCE);
String target = (String) compilerOptions.get(JavaScriptCore.COMPILER_CODEGEN_TARGET_PLATFORM);
if (compliance == null && source == null && target == null) {
return JavaModelStatus.VERIFIED_OK; // default is OK
}
// Initialize multi-status
List errors = new ArrayList();
// Set default for compliance if necessary (not set on project and not inherited...)
if (compliance == null) {
compliance = JavaScriptCore.getOption(JavaScriptCore.COMPILER_COMPLIANCE);
}
// Verify compliance level value and set source and target default if necessary
long complianceLevel = 0;
long sourceLevel = 0;
long targetLevel = 0;
if (JavaScriptCore.VERSION_1_3.equals(compliance)) {
complianceLevel = ClassFileConstants.JDK1_3;
if (source == null) {
source = JavaScriptCore.VERSION_1_3;
sourceLevel = ClassFileConstants.JDK1_3;
}
if (target == null) {
target = JavaScriptCore.VERSION_1_1;
targetLevel = ClassFileConstants.JDK1_1;
}
} else if (JavaScriptCore.VERSION_1_4.equals(compliance)) {
complianceLevel = ClassFileConstants.JDK1_4;
if (source == null) {
source = JavaScriptCore.VERSION_1_3;
sourceLevel = ClassFileConstants.JDK1_3;
}
if (target == null) {
target = JavaScriptCore.VERSION_1_2;
targetLevel = ClassFileConstants.JDK1_2;
}
} else if (JavaScriptCore.VERSION_1_5.equals(compliance)) {
complianceLevel = ClassFileConstants.JDK1_5;
if (source == null) {
source = JavaScriptCore.VERSION_1_5;
sourceLevel = ClassFileConstants.JDK1_5;
}
if (target == null) {
target = JavaScriptCore.VERSION_1_5;
targetLevel = ClassFileConstants.JDK1_5;
}
} else {
// compliance is not valid
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.invalidCompilerOption", compliance==null?"":compliance, JavaScriptCore.COMPILER_COMPLIANCE))); //$NON-NLS-1$ //$NON-NLS-2$
}
// Verify source value and set default for target if necessary
if (JavaScriptCore.VERSION_1_4.equals(source)) {
sourceLevel = ClassFileConstants.JDK1_4;
if (target == null) {
target = JavaScriptCore.VERSION_1_4;
targetLevel = ClassFileConstants.JDK1_4;
}
} else if (JavaScriptCore.VERSION_1_5.equals(source)) {
sourceLevel = ClassFileConstants.JDK1_5;
if (target == null) {
target = JavaScriptCore.VERSION_1_5;
targetLevel = ClassFileConstants.JDK1_5;
}
} else if (JavaScriptCore.VERSION_1_3.equals(source)) {
sourceLevel = ClassFileConstants.JDK1_3;
} else {
// source is not valid
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.invalidCompilerOption", source==null?"":source, JavaScriptCore.COMPILER_SOURCE))); //$NON-NLS-1$ //$NON-NLS-2$
}
// Verify target value
if (targetLevel == 0) {
targetLevel = CompilerOptions.versionToJdkLevel(target);
if (targetLevel == 0) {
// target is not valid
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.invalidCompilerOption", target==null?"":target, JavaScriptCore.COMPILER_CODEGEN_TARGET_PLATFORM))); //$NON-NLS-1$ //$NON-NLS-2$
}
}
// Check and set compliance/source/target compatibilities (only if they have valid values)
if (complianceLevel != 0 && sourceLevel != 0 && targetLevel != 0) {
// target must be 1.5 if source is 1.5
if (sourceLevel >= ClassFileConstants.JDK1_5 && targetLevel < ClassFileConstants.JDK1_5) {
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.incompatibleTargetForSource", target, JavaScriptCore.VERSION_1_5))); //$NON-NLS-1$
}
else
// target must be 1.4 if source is 1.4
if (sourceLevel >= ClassFileConstants.JDK1_4 && targetLevel < ClassFileConstants.JDK1_4) {
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.incompatibleTargetForSource", target, JavaScriptCore.VERSION_1_4))); //$NON-NLS-1$
}
// target cannot be greater than compliance level
if (complianceLevel < targetLevel){
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.incompatibleComplianceForTarget", compliance, JavaScriptCore.VERSION_1_4))); //$NON-NLS-1$
}
// compliance must be 1.5 if source is 1.5
if (source.equals(JavaScriptCore.VERSION_1_5) && complianceLevel < ClassFileConstants.JDK1_5) {
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.incompatibleComplianceForSource", compliance, JavaScriptCore.VERSION_1_5))); //$NON-NLS-1$
} else
// compliance must be 1.4 if source is 1.4
if (source.equals(JavaScriptCore.VERSION_1_4) && complianceLevel < ClassFileConstants.JDK1_4) {
errors.add(new JavaModelStatus(IStatus.ERROR, Util.bind("convention.compiler.incompatibleComplianceForSource", compliance, JavaScriptCore.VERSION_1_4))); //$NON-NLS-1$
}
}
// Return status
int size = errors.size();
switch (size) {
case 0:
return JavaModelStatus.VERIFIED_OK;
case 1:
return (IStatus) errors.get(0);
default:
IJavaScriptModelStatus[] allStatus = new IJavaScriptModelStatus[size];
errors.toArray(allStatus);
return JavaModelStatus.newMultiStatus(allStatus);
}
}
*/
}