protected void consumeSingleTypeImportDeclarationName() {
// SingleTypeImportDeclarationName ::= 'import' Name
/* push an ImportRef build from the last name
stored in the identifier stack. */
ImportReference impt;
int length;
char[][] tokens = new char[length = this.identifierLengthStack[this.identifierLengthPtr--]][];
this.identifierPtr -= length;
long[] positions = new long[length];
System.arraycopy(this.identifierStack, this.identifierPtr + 1, tokens, 0, length);
System.arraycopy(this.identifierPositionStack, this.identifierPtr + 1, positions, 0, length);
pushOnAstStack(
impt = newImportReference(tokens, positions, false, ClassFileConstants.AccDefault));
if (this.currentToken == TokenNameSEMICOLON) {
impt.declarationSourceEnd = this.scanner.currentPosition - 1;
} else {
impt.declarationSourceEnd = impt.sourceEnd;
}
impt.declarationEnd = impt.declarationSourceEnd;
// this.endPosition is just before the ;
impt.declarationSourceStart = this.intStack[this.intPtr--];
// recovery
if (this.currentElement != null) {
this.lastCheckPoint = impt.declarationSourceEnd + 1;
this.currentElement = this.currentElement.add(impt, 0);
this.lastIgnoredToken = -1;
this.restartRecovery = true; // used to avoid branching back into the regular automaton
}
if (this.reportReferenceInfo) {
this.requestor.acceptTypeReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
}
}
private ImportReference copyImportReference(ImportReference importReference) {
if (importReference == null) {
return null;
}
char[][] tokensCopy = AstUtil.copyTwoDimensionalCharArray(importReference.tokens);
ImportReference importReferenceCopy =
new ImportReference(
tokensCopy, importReference.sourcePositions.clone(), false, importReference.modifiers);
importReferenceCopy.bits = importReference.bits;
return importReferenceCopy;
}
protected void consumeSingleStaticImportDeclarationName() {
// SingleTypeImportDeclarationName ::= 'import' 'static' Name
ImportReference impt;
int length;
char[][] tokens = new char[length = this.identifierLengthStack[this.identifierLengthPtr--]][];
this.identifierPtr -= length;
long[] positions = new long[length];
System.arraycopy(this.identifierStack, this.identifierPtr + 1, tokens, 0, length);
System.arraycopy(this.identifierPositionStack, this.identifierPtr + 1, positions, 0, length);
pushOnAstStack(
impt = newImportReference(tokens, positions, false, ClassFileConstants.AccStatic));
this.modifiers = ClassFileConstants.AccDefault;
this.modifiersSourceStart = -1; // <-- see comment into modifiersFlag(int)
if (this.currentToken == TokenNameSEMICOLON) {
impt.declarationSourceEnd = this.scanner.currentPosition - 1;
} else {
impt.declarationSourceEnd = impt.sourceEnd;
}
impt.declarationEnd = impt.declarationSourceEnd;
// this.endPosition is just before the ;
impt.declarationSourceStart = this.intStack[this.intPtr--];
if (!this.statementRecoveryActivated
&& this.options.sourceLevel < ClassFileConstants.JDK1_5
&& this.lastErrorEndPositionBeforeRecovery < this.scanner.currentPosition) {
impt.modifiers =
ClassFileConstants
.AccDefault; // convert the static import reference to a non-static importe reference
problemReporter().invalidUsageOfStaticImports(impt);
}
// recovery
if (this.currentElement != null) {
this.lastCheckPoint = impt.declarationSourceEnd + 1;
this.currentElement = this.currentElement.add(impt, 0);
this.lastIgnoredToken = -1;
this.restartRecovery = true; // used to avoid branching back into the regular automaton
}
if (this.reportReferenceInfo) {
// Name for static import is TypeName '.' Identifier
// => accept unknown ref on identifier
int tokensLength = impt.tokens.length - 1;
int start = (int) (impt.sourcePositions[tokensLength] >>> 32);
char[] last = impt.tokens[tokensLength];
// accept all possible kind for last name, index users will have to select the right one...
// see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=86901
this.requestor.acceptFieldReference(last, start);
this.requestor.acceptMethodReference(last, 0, start);
this.requestor.acceptTypeReference(last, start);
// accept type name
if (tokensLength > 0) {
char[][] compoundName = new char[tokensLength][];
System.arraycopy(impt.tokens, 0, compoundName, 0, tokensLength);
int end = (int) impt.sourcePositions[tokensLength - 1];
this.requestor.acceptTypeReference(compoundName, impt.sourceStart, end);
}
}
}
public int match(ASTNode node, MatchingNodeSet nodeSet) {
int declarationsLevel = IMPOSSIBLE_MATCH;
if (this.pattern.findReferences) {
if (node instanceof ImportReference) {
// With static import, we can have static method reference in import reference
ImportReference importRef = (ImportReference) node;
int length = importRef.tokens.length - 1;
if (importRef.isStatic()
&& ((importRef.bits & ASTNode.OnDemand) == 0)
&& matchesName(this.pattern.selector, importRef.tokens[length])) {
char[][] compoundName = new char[length][];
System.arraycopy(importRef.tokens, 0, compoundName, 0, length);
char[] declaringType =
CharOperation.concat(
this.pattern.declaringQualification, this.pattern.declaringSimpleName, '.');
if (matchesName(declaringType, CharOperation.concatWith(compoundName, '.'))) {
declarationsLevel = this.pattern.mustResolve ? POSSIBLE_MATCH : ACCURATE_MATCH;
}
}
}
}
return nodeSet.addMatch(node, declarationsLevel);
}
protected void consumeStaticImportOnDemandDeclarationName() {
// TypeImportOnDemandDeclarationName ::= 'import' 'static' Name '.' '*'
/* push an ImportRef build from the last name
stored in the identifier stack. */
ImportReference impt;
int length;
char[][] tokens = new char[length = this.identifierLengthStack[this.identifierLengthPtr--]][];
this.identifierPtr -= length;
long[] positions = new long[length];
System.arraycopy(this.identifierStack, this.identifierPtr + 1, tokens, 0, length);
System.arraycopy(this.identifierPositionStack, this.identifierPtr + 1, positions, 0, length);
pushOnAstStack(
impt = new ImportReference(tokens, positions, true, ClassFileConstants.AccStatic));
// star end position
impt.trailingStarPosition = this.intStack[this.intPtr--];
this.modifiers = ClassFileConstants.AccDefault;
this.modifiersSourceStart = -1; // <-- see comment into modifiersFlag(int)
if (this.currentToken == TokenNameSEMICOLON) {
impt.declarationSourceEnd = this.scanner.currentPosition - 1;
} else {
impt.declarationSourceEnd = impt.sourceEnd;
}
impt.declarationEnd = impt.declarationSourceEnd;
// this.endPosition is just before the ;
impt.declarationSourceStart = this.intStack[this.intPtr--];
if (!this.statementRecoveryActivated
&& this.options.sourceLevel < ClassFileConstants.JDK1_5
&& this.lastErrorEndPositionBeforeRecovery < this.scanner.currentPosition) {
impt.modifiers =
ClassFileConstants
.AccDefault; // convert the static import reference to a non-static importe reference
problemReporter().invalidUsageOfStaticImports(impt);
}
// recovery
if (this.currentElement != null) {
this.lastCheckPoint = impt.declarationSourceEnd + 1;
this.currentElement = this.currentElement.add(impt, 0);
this.lastIgnoredToken = -1;
this.restartRecovery = true; // used to avoid branching back into the regular automaton
}
if (this.reportReferenceInfo) {
this.requestor.acceptTypeReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
}
}
/* (non-Javadoc)
* @see org.eclipse.jdt.internal.core.search.matching.PatternLocator#matchLevelAndReportImportRef(org.eclipse.jdt.internal.compiler.ast.ImportReference, org.eclipse.jdt.internal.compiler.lookup.Binding, org.eclipse.jdt.internal.core.search.matching.MatchLocator)
* Accept to report match of static field on static import
*/
protected void matchLevelAndReportImportRef(
ImportReference importRef, Binding binding, MatchLocator locator) throws CoreException {
if (importRef.isStatic() && binding instanceof MethodBinding) {
super.matchLevelAndReportImportRef(importRef, binding, locator);
}
}
private void resolveClassReference(JsniRef jsniRef) {
// Precedence rules as of JLS 6.4.1.
// 1. Enclosing type.
// 2. Visible type in same compilation unit.
// 3. Named import.
// 4. Same package.
// 5. Import on demand.
String originalName = jsniRef.className();
String importedClassName = originalName;
if (importedClassName.contains(".")) {
// Only retain up the first dot to support innerclasses. E.g. import c.g.A and reference
// @A.I::f.
importedClassName = importedClassName.substring(0, importedClassName.indexOf("."));
}
// 1 & 2. Check to see if this name refers to the enclosing class or is directly accessible
// from it.
ReferenceBinding declaringClass = method.binding.declaringClass;
while (declaringClass != null) {
String declaringClassName = JdtUtil.getSourceName(declaringClass);
if (declaringClassName.equals(importedClassName)
|| declaringClassName.endsWith("." + importedClassName)) {
// Referring to declaring class name using unqualified name.
jsniRef.setResolvedClassName(
declaringClassName + originalName.substring(importedClassName.length()));
return;
}
String fullClassName =
JdtUtil.getBinaryName(declaringClass) + "$" + originalName.replace('.', '$');
if (typeResolver.resolveType(fullClassName) != null) {
jsniRef.setResolvedClassName(JdtUtil.getSourceName(declaringClass) + "." + originalName);
return;
}
declaringClass = declaringClass.enclosingTypeAt(1);
}
// 3. Check to see if this name is one of the named imports.
for (ImportReference importReference : cudImports) {
String nameFromImport = JdtUtil.asDottedString(importReference.getImportName());
if (!importReference.isStatic()
&& importReference.trailingStarPosition == 0
&& nameFromImport.endsWith("." + importedClassName)) {
jsniRef.setResolvedClassName(
nameFromImport + originalName.substring(importedClassName.length()));
return;
}
}
// 4. Check to see if this name is resolvable from the current package.
String currentPackageBinaryClassName =
JdtUtil.getBinaryName(
CharOperation.charToString(method.binding.declaringClass.qualifiedPackageName()),
originalName);
if (typeResolver.resolveType(currentPackageBinaryClassName) != null) {
jsniRef.setResolvedClassName(
JdtUtil.getSourceName(
CharOperation.charToString(method.binding.declaringClass.qualifiedPackageName()),
originalName));
return;
}
// 5. Check to see if this name is resolvable as an import on demand.
List<String> importPackages = Lists.newArrayList("java.lang");
for (ImportReference importReference : cudImports) {
if (importReference.isStatic() || importReference.trailingStarPosition == 0) {
continue;
}
importPackages.add(JdtUtil.asDottedString(importReference.getImportName()));
}
for (String importPackage : importPackages) {
String fullClassName = importPackage + "." + originalName.replace('.', '$');
if (typeResolver.resolveType(fullClassName) != null) {
jsniRef.setResolvedClassName(importPackage + "." + originalName);
return;
}
}
// Otherwise leave it as it is.
// TODO(rluble): Maybe we should leave it null here.
jsniRef.setResolvedClassName(jsniRef.className());
}