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Diffstat (limited to 'tags/native-sca-1.0.incubating-M3/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/Signature.java')
-rw-r--r--tags/native-sca-1.0.incubating-M3/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/Signature.java506
1 files changed, 0 insertions, 506 deletions
diff --git a/tags/native-sca-1.0.incubating-M3/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/Signature.java b/tags/native-sca-1.0.incubating-M3/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/Signature.java
deleted file mode 100644
index d7052b7843..0000000000
--- a/tags/native-sca-1.0.incubating-M3/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/Signature.java
+++ /dev/null
@@ -1,506 +0,0 @@
-/**
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-/* @version $Rev$ $Date$ */
-
-/*
- * Branched from the original class that was also contributed to the
- * org.apache.axis.tools.common package.
- *
- */
-package org.apache.tuscany.sca.cpp.tools.common;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Set;
-
-/**
- * A C or C++ method signature with the ability to parse it. TODO: properly
- * support variable length argument lists using "..." TODO: passing or returning
- * function pointers (hopefully not needed) TODO: Cope with ~ <space>Classname()
- */
-public class Signature {
- private String originalText;
-
- private String attributes;
-
- private String className = null;
-
- private String namespace = null;
-
- private String methodName = null;
-
- private Parameter returnType = null;
-
- private Parameter[] params = null;
-
- private String trailingAttributes;
-
- private String scope = "public";
-
- private boolean failed = false;
-
- private boolean traceable = true;
-
- private final static Set knownAttrs = new HashSet(Arrays
- .asList(new Object[] { "public", "private", "extern", "\"C\"",
- "virtual", "static", "inline" }));
-
- private final static Set specialOperators = new HashSet(
- Arrays.asList(new Object[] { "(", ")", "*", ",", "&", "]", "[",
- "=", "~" }));
-
- /**
- * Takes an unparsed signature string and parses it.
- *
- * TODO: Should optionally pass in the className here in case it's an inline
- * method implementation inside the class{}. Just so the className comes out
- * in the trace.
- */
- Signature(String s) {
- originalText = s;
-
- try {
- List tokens = tokenise(s);
-
- ArrayList alAttrs = new ArrayList();
- ArrayList alName = new ArrayList();
- ArrayList alParms = new ArrayList();
- ArrayList alTrailAttrs = new ArrayList();
- ArrayList alInits = new ArrayList();
- if (!splitUp(tokens, alAttrs, alName, alParms, alTrailAttrs,
- alInits)) {
- failed = true;
- return;
- }
-
- parseAttributes(alAttrs);
- parseNameAndRetType(alName);
- parseParameters(alParms);
- parseTrailingAttributes(alTrailAttrs);
-
- // Ignore any tokens after the ) since these are (hopefully)
- // constructor initialisers
-
- traceable = !Configuration.methodExcluded(className, methodName);
- } catch (NullPointerException npe) {
- failed = true;
- traceable = false;
- }
- }
-
- /**
- * Parse the signature into tokens. This removes whitespace and comments and
- * separates out "*", ",", "(", ")", "&", "[" and "]".
- */
- private static List tokenise(String s) {
- ArrayList tokens = new ArrayList();
- String tok = null;
- boolean space = true;
- for (int i = 0; i < s.length(); i++) {
- char c = s.charAt(i);
- if (Character.isWhitespace(c)) {
- space = true;
- continue;
- }
- if (space) {
- if (tok != null)
- tokens.add(tok);
- tok = "" + c;
- } else
- tok += c;
- space = false;
-
- if (tok.endsWith("/*")) {
- String sub = s.substring(i);
- int endcomm = sub.indexOf("*/");
- if (endcomm == -1)
- break;
- i += endcomm + 1;
- if (tok.equals("/*"))
- tok = "";
- else
- tok = tok.substring(0, tok.length() - 2);
- continue;
- }
-
- if (tok.endsWith("//")) {
- String sub = s.substring(i);
- int endcomm = sub.indexOf("\n");
- if (endcomm == -1)
- break;
- i += endcomm;
- if (tok.equals("//"))
- tok = "";
- else
- tok = tok.substring(0, tok.length() - 1);
- continue;
- }
-
- if (tok.endsWith("::"))
- space = true;
-
- String sc = "" + c;
- if (specialOperators.contains(sc)) {
- if (!tok.equals(sc)) {
- tokens.add(tok.substring(0, tok.length() - 1));
- tok = sc;
- }
- space = true;
- }
- }
- tokens.add(tok);
- return tokens;
- }
-
- /**
- * Split up a tokenised method signature into a list of attributes, a list
- * of name and return type tokens, a list of parameter tokens and a list of
- * initialiser tokens.
- */
- private static boolean splitUp(List tokens, List attrs, List nameAndRet,
- List parms, List trailAttrs, List inits) {
-
- // nameStart points to the start of the return type if there is one
- // else the start of the method name
- int nameStart;
- for (nameStart = 0; nameStart < tokens.size(); nameStart++) {
- String tok = (String) (tokens.get(nameStart));
- if (!knownAttrs.contains(tok) && !Configuration.isAttribute(tok))
- break;
- }
- if (nameStart == tokens.size())
- return false;
-
- // initStart points to the initialisers, or thrown exceptions after
- // the parameter list. throw is a keyword so we can safely search for
- // it.
- int initStart = tokens.size();
- for (int i = nameStart; i < tokens.size(); i++) {
- String tok = (String) tokens.get(i);
- if ((tok.startsWith(":") && !tok.startsWith("::"))
- || "throw".equals(tok))
- initStart = i;
- }
-
- int parmEnd;
- for (parmEnd = initStart - 1; parmEnd > nameStart; parmEnd--)
- if (")".equals(tokens.get(parmEnd)))
- break;
- if (parmEnd == nameStart)
- return false;
-
- int parmStart = parmEnd;
- for (parmStart = parmEnd; parmStart > nameStart; parmStart--)
- if ("(".equals(tokens.get(parmStart)))
- break;
-
- for (int i = 0; i < tokens.size(); i++) {
- Object tok = tokens.get(i);
- if (i < nameStart || Configuration.isAttribute((String) tok))
- attrs.add(tok);
- else if (i < parmStart)
- nameAndRet.add(tok);
- else if (i <= parmEnd)
- parms.add(tok);
- else if (i < initStart)
- trailAttrs.add(tok);
- else
- inits.add(tok);
- }
- return true;
- }
-
- private void parseAttributes(List list) {
- attributes = new String();
- Iterator it = list.iterator();
- while (it.hasNext()) {
- if (attributes.length() > 0)
- attributes += " ";
- String next = (String) it.next();
-
- //Tuscancy
- //the scope is not present in the attributes
- //but is set later in the InputCppSource contructor
- if ("public".equals(next) || "protected".equals(next)
- || "private".equals(next))
- scope = next;
- attributes += next;
- }
- }
-
- private void parseNameAndRetType(List list) {
- int size = list.size();
- int idx;
- // "operator" is a key word so if it's present we know we're
- // dealing with operator overloading. The operator that's been
- // overloaded might have been split up into multiple tokens.
- for (idx = 0; idx < size; idx++)
- if ("operator".equals(list.get(idx)))
- break;
-
- if (idx < size) {
- methodName = "";
- for (int i = idx; i < size; i++)
- methodName += (String) list.get(i);
- } else { // No operator overloading
- methodName = "" + list.get(size - 1);
- idx = size - 1;
- }
-
- // If it's a destructor, the "~" will be split out into a separate
- // token, so add it onto the methodName here.
- if (idx > 0 && "~".equals(list.get(idx - 1))) {
- methodName = "~" + methodName;
- idx--;
- }
-
- // The class name comes before the method name
- while (idx > 0 && ((String) list.get(idx - 1)).endsWith("::")) {
- if (null == className)
- className = (String) list.get(idx - 1);
- else
- className = (String) list.get(idx - 1) + className;
- idx--;
- }
-
- // Whatever's left before the classname/methodname must be the
- // return type
- ArrayList retParm = new ArrayList();
- for (int i = 0; i < idx; i++)
- retParm.add(list.get(i));
-
- returnType = new Parameter(retParm, true);
- }
-
- /**
- * Constructs the parameter list
- */
- private void parseParameters(List list) {
- ArrayList alParams = new ArrayList();
- Iterator it = list.iterator();
- String token = (String) it.next(); // step over the (
- while (it.hasNext() && !")".equals(token)) {
- token = (String) it.next();
-
- int template = 0; // Depth of template scope
- boolean foundEquals = false;
- // Ignore default value for an optional parameter
- ArrayList parm = new ArrayList();
- while (!token.equals(")") && (!token.equals(",") || template > 0)) {
- if (token.equals("="))
- foundEquals = true;
- if (!foundEquals)
- parm.add(token);
- if (contains(token, "<"))
- template++;
- if (contains(token, ">"))
- template--;
- token = (String) it.next();
- }
-
- // No parameters so break out
- if (token.equals(")") && 0 == parm.size())
- break;
-
- Parameter p = new Parameter(parm);
- if (p.failed()) {
- failed = true;
- return;
- }
-
- // Copes with void func(void)
- if (!p.isVoid())
- alParams.add(p);
- }
-
- int size = alParams.size();
- if (size > 0) {
- params = new Parameter[size];
- System.arraycopy(alParams.toArray(), 0, params, 0, size);
- }
- }
-
- private void parseTrailingAttributes(List list) {
- trailingAttributes = new String();
- Iterator it = list.iterator();
- while (it.hasNext()) {
- if (trailingAttributes.length() > 0)
- trailingAttributes += " ";
- trailingAttributes += (String) it.next();
- }
- }
-
- public String getOriginal() {
- return originalText;
- }
-
- public int originalLength() {
- return originalText.length();
- }
-
- public boolean failed() {
- return failed;
- }
-
- public String getAttributes() {
- return attributes;
- }
-
- public String getClassName() {
- return className;
- }
-
- /**
- * @param namespace The namespace to set.
- */
- public void setNamespace(String namespace) {
- this.namespace = namespace;
- }
-
- /**
- * @return Returns the namespace.
- */
- public String getNamespace() {
- return namespace;
- }
-
- public String getTrimClassName() {
- return trimClassName(className);
- }
-
- public String getMethodName() {
- return methodName;
- }
-
- public Parameter getReturnType() {
- return returnType;
- }
-
- public Parameter[] getParameters() {
- return params;
- }
-
- public boolean isConstructor() {
- return className != null && methodName != null
- && trimClassName(className).equals(methodName);
- }
-
- public boolean isDestructor() {
- return className != null && methodName != null
- && methodName.startsWith("~")
- && methodName.endsWith(trimClassName(className));
- }
-
- private static String trimClassName(String name) {
- if (name.endsWith("::"))
- return name.substring(0, name.length() - 2);
- return name;
- }
-
- void setClassName(String className) {
- if (null == className)
- return;
- if (!className.endsWith("::"))
- className += "::";
- this.className = className;
- }
-
- public String getScope() {
- return scope;
- }
-
- /**
- * Sets the scope, but only if the scope is not set by an explicit attribute
- * in the signature.
- */
- public void setScope(String scope) {
- if (-1 == attributes.indexOf(this.scope))
- this.scope = scope;
- }
-
- /**
- * Should this method be traced?
- */
- public boolean traceable() {
- return traceable;
- }
-
- private static boolean contains(String src, String tgt) {
- if (src == null || tgt == null)
- return false;
- if (-1 == src.indexOf(tgt))
- return false;
- return true;
- }
-
- public boolean equals(Object obj) {
- if (null == obj || !(obj instanceof Signature))
- return false;
- Signature that = (Signature) obj;
- if (!Utils.safeEquals(className, that.className))
- return false;
- if (!Utils.safeEquals(methodName, that.methodName))
- return false;
- if (!Utils.safeEquals(returnType, that.returnType))
- return false;
- if (null == params && null == that.params)
- return true;
- if (null != params && null == that.params)
- return false;
- if (null == params && null != that.params)
- return false;
- if (params.length != that.params.length)
- return false;
- for (int i = 0; i < params.length; i++)
- if (!Utils.safeEquals(params[i], that.params[i]))
- return false;
- return true;
- }
-
- public String toStringWithoutAttrs() {
- String s = new String();
- if (returnType != null)
- s += returnType + " ";
- if (className != null)
- s += className;
- s += methodName + "(";
- for (int i = 0; params != null && i < params.length; i++) {
- if (i > 0)
- s += ", ";
- s += params[i].toString();
- }
- s += ")";
- return s;
- }
-
- public String toString() {
- String s = attributes;
- if (attributes.length() > 0)
- s += " ";
- s += toStringWithoutAttrs();
- if (trailingAttributes.length() > 0)
- s += " " + trailingAttributes;
- return s;
- }
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 19:45:16 +0000