List of usage examples for org.eclipse.jdt.core JavaCore TIMEOUT_FOR_PARAMETER_NAME_FROM_ATTACHED_JAVADOC
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From source file:com.codenvy.ide.ext.java.server.internal.core.BinaryMethod.java
License:Open Source License
public String[] getParameterNames() throws JavaModelException { if (this.parameterNames != null) return this.parameterNames; // force source mapping if not already done IType type = (IType) getParent();/*from w ww.ja v a 2 s .c o m*/ SourceMapper mapper = getSourceMapper(); if (mapper != null) { char[][] paramNames = mapper.getMethodParameterNames(this); // map source and try to find parameter names if (paramNames == null) { IBinaryType info = (IBinaryType) ((BinaryType) getDeclaringType()).getElementInfo(); char[] source = mapper.findSource(type, info); if (source != null) { mapper.mapSource(type, source, info); } paramNames = mapper.getMethodParameterNames(this); } // if parameter names exist, convert parameter names to String array if (paramNames != null) { String[] names = new String[paramNames.length]; for (int i = 0; i < paramNames.length; i++) { names[i] = new String(paramNames[i]); } return this.parameterNames = names; } } // try to see if we can retrieve the names from the attached javadoc IBinaryMethod info = (IBinaryMethod) getElementInfo(); // https://bugs.eclipse.org/bugs/show_bug.cgi?id=316937 // Use Signature#getParameterCount() only if the argument names are not already available. int paramCount = Signature.getParameterCount(new String(info.getMethodDescriptor())); if (this.isConstructor()) { final IType declaringType = this.getDeclaringType(); if (declaringType.isMember() && !Flags.isStatic(declaringType.getFlags())) { paramCount--; // remove synthetic argument from constructor param count } else if (declaringType.isEnum()) { if (paramCount >= 2) // https://bugs.eclipse.org/bugs/show_bug.cgi?id=436347 paramCount -= 2; } } if (paramCount != 0) { // don't try to look for javadoc for synthetic methods int modifiers = getFlags(); if ((modifiers & ClassFileConstants.AccSynthetic) != 0) { return this.parameterNames = getRawParameterNames(paramCount); } JavadocContents javadocContents = null; IType declaringType = getDeclaringType(); JavaModelManager.PerProjectInfo projectInfo = manager.getPerProjectInfoCheckExistence(); synchronized (projectInfo.javadocCache) { javadocContents = (JavadocContents) projectInfo.javadocCache.get(declaringType); if (javadocContents == null) { projectInfo.javadocCache.put(declaringType, BinaryType.EMPTY_JAVADOC); } } String methodDoc = null; if (javadocContents == null) { long timeOut = 50; // default value try { String option = getJavaProject() .getOption(JavaCore.TIMEOUT_FOR_PARAMETER_NAME_FROM_ATTACHED_JAVADOC, true); if (option != null) { timeOut = Long.parseLong(option); } } catch (NumberFormatException e) { // ignore } if (timeOut == 0) { // don't try to fetch the values and don't cache either (https://bugs.eclipse.org/bugs/show_bug.cgi?id=329671) return getRawParameterNames(paramCount); } final class ParametersNameCollector { String javadoc; public void setJavadoc(String s) { this.javadoc = s; } public String getJavadoc() { return this.javadoc; } } /* * The declaring type is not in the cache yet. The thread wil retrieve the javadoc contents */ final ParametersNameCollector nameCollector = new ParametersNameCollector(); Thread collect = new Thread() { public void run() { try { // this call has a side-effect on the per project info cache nameCollector.setJavadoc(BinaryMethod.this.getAttachedJavadoc(null)); } catch (JavaModelException e) { // ignore } synchronized (nameCollector) { nameCollector.notify(); } } }; collect.start(); synchronized (nameCollector) { try { nameCollector.wait(timeOut); } catch (InterruptedException e) { // ignore } } methodDoc = nameCollector.getJavadoc(); } else if (javadocContents != BinaryType.EMPTY_JAVADOC) { // need to extract the part relative to the binary method since javadoc contains the javadoc for the declaring type try { methodDoc = javadocContents.getMethodDoc(this); } catch (JavaModelException e) { javadocContents = null; } } if (methodDoc != null) { int indexOfOpenParen = methodDoc.indexOf('('); // Annotations may have parameters, so make sure we are parsing the actual method parameters. if (info.getAnnotations() != null) { while (indexOfOpenParen != -1 && !isOpenParenForMethod(methodDoc, getElementName(), indexOfOpenParen)) { indexOfOpenParen = methodDoc.indexOf('(', indexOfOpenParen + 1); } } if (indexOfOpenParen != -1) { final int indexOfClosingParen = methodDoc.indexOf(')', indexOfOpenParen); if (indexOfClosingParen != -1) { final char[] paramsSource = CharOperation.replace( methodDoc.substring(indexOfOpenParen + 1, indexOfClosingParen).toCharArray(), " ".toCharArray(), //$NON-NLS-1$ new char[] { ' ' }); final char[][] params = splitParameters(paramsSource, paramCount); final int paramsLength = params.length; String[] names = new String[paramsLength]; for (int i = 0; i < paramsLength; i++) { final char[] param = params[i]; int indexOfSpace = CharOperation.lastIndexOf(' ', param); if (indexOfSpace != -1) { names[i] = String.valueOf(param, indexOfSpace + 1, param.length - indexOfSpace - 1); } else { names[i] = "arg" + i; //$NON-NLS-1$ } } return this.parameterNames = names; } } } // let's see if we can retrieve them from the debug infos char[][] argumentNames = info.getArgumentNames(); if (argumentNames != null && argumentNames.length == paramCount) { String[] names = new String[paramCount]; for (int i = 0; i < paramCount; i++) { names[i] = new String(argumentNames[i]); } return this.parameterNames = names; } } // If still no parameter names, produce fake ones, but don't cache them (https://bugs.eclipse.org/bugs/show_bug.cgi?id=329671) return getRawParameterNames(paramCount); // throw new UnsupportedOperationException(); }
From source file:org.eclipse.jdt.internal.core.JavaModelManager.java
License:Open Source License
private Hashtable getDefaultOptionsNoInitialization() { Map defaultOptionsMap = new CompilerOptions().getMap(); // compiler defaults // Override some compiler defaults defaultOptionsMap.put(JavaCore.COMPILER_LOCAL_VARIABLE_ATTR, JavaCore.GENERATE); defaultOptionsMap.put(JavaCore.COMPILER_CODEGEN_UNUSED_LOCAL, JavaCore.PRESERVE); defaultOptionsMap.put(JavaCore.COMPILER_TASK_TAGS, JavaCore.DEFAULT_TASK_TAGS); defaultOptionsMap.put(JavaCore.COMPILER_TASK_PRIORITIES, JavaCore.DEFAULT_TASK_PRIORITIES); defaultOptionsMap.put(JavaCore.COMPILER_TASK_CASE_SENSITIVE, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE, JavaCore.ERROR); // Builder settings defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH, JavaCore.ABORT); defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE, JavaCore.WARNING); defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER, JavaCore.CLEAN); // JavaCore settings defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_ORDER, JavaCore.IGNORE); defaultOptionsMap.put(JavaCore.CORE_INCOMPLETE_CLASSPATH, JavaCore.ERROR); defaultOptionsMap.put(JavaCore.CORE_CIRCULAR_CLASSPATH, JavaCore.ERROR); defaultOptionsMap.put(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL, JavaCore.IGNORE); defaultOptionsMap.put(JavaCore.CORE_OUTPUT_LOCATION_OVERLAPPING_ANOTHER_SOURCE, JavaCore.WARNING); defaultOptionsMap.put(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS, JavaCore.ENABLED); // Formatter settings defaultOptionsMap.putAll(DefaultCodeFormatterConstants.getEclipseDefaultSettings()); // CodeAssist settings defaultOptionsMap.put(JavaCore.CODEASSIST_VISIBILITY_CHECK, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_DEPRECATION_CHECK, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_IMPLICIT_QUALIFICATION, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_FIELD_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FIELD_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FINAL_FIELD_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_LOCAL_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_ARGUMENT_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_FIELD_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FIELD_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FINAL_FIELD_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_LOCAL_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_ARGUMENT_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_FORBIDDEN_REFERENCE_CHECK, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_DISCOURAGED_REFERENCE_CHECK, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_CAMEL_CASE_MATCH, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_SUGGEST_STATIC_IMPORTS, JavaCore.ENABLED); // Time out for parameter names defaultOptionsMap.put(JavaCore.TIMEOUT_FOR_PARAMETER_NAME_FROM_ATTACHED_JAVADOC, "50"); //$NON-NLS-1$ return new Hashtable(defaultOptionsMap); }