diff options
Diffstat (limited to 'tags/native-sca-1.0.incubating-M3-RC4/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/InputCppSourceCode.java')
| -rw-r--r-- | tags/native-sca-1.0.incubating-M3-RC4/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/InputCppSourceCode.java | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/tags/native-sca-1.0.incubating-M3-RC4/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/InputCppSourceCode.java b/tags/native-sca-1.0.incubating-M3-RC4/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/InputCppSourceCode.java deleted file mode 100644 index 225909e1d1..0000000000 --- a/tags/native-sca-1.0.incubating-M3-RC4/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/InputCppSourceCode.java +++ /dev/null @@ -1,425 +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.io.BufferedReader; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.StringTokenizer; - -public class InputCppSourceCode { - - private ArrayList parts = new ArrayList(); - - private String name; - - public InputCppSourceCode(BufferedReader br, String name) throws Exception { - this.name = name; - - String s = null; - StringBuffer buff = new StringBuffer(); - for (int i = 1;; i++) { - try { - s = br.readLine(); - } catch (Exception e) { - System.err.println("Ignoring exception thrown parsing file " - + name + " line number " + i); - e.printStackTrace(); - break; - } - if (s == null) - break; - buff.append(s + "\n"); - } - String str = buff.toString(); - - // TODO: When checking for rest.startsWith("struct") should - // check the next letter after struct is not alphanumeric otherwise - // we'll get false matches on a function called structify() for - // instance. Also applies to enum, union, public, typedef, etc - - String rest, text = ""; - int scopedepth = 0; - String scope = "public"; - String currentClass = null; - String currentNamespace = null; - for (int idx = 0; idx < str.length(); /* No idx++ */ - ) { - rest = str.substring(idx); - if (Character.isWhitespace(rest.charAt(0))) { - int ridx = 0; - while (ridx < rest.length() - && Character.isWhitespace(rest.charAt(ridx))) - ridx++; - text = rest.substring(0, ridx); - FilePart fp = new FilePart(text, FilePart.WHITESPACE); - parts.add(fp); - idx += ridx; - - } else if (rest.startsWith("/*")) { - int ridx = rest.indexOf("*/"); // Don't use Utils here - text = str.substring(idx, idx + ridx + 2); - FilePart fp = new FilePart(text, FilePart.COMMENT); - parts.add(fp); - idx += text.length(); - - } else if (rest.startsWith("//")) { - text = str.substring(idx, idx + rest.indexOf("\n")); - FilePart fp = new FilePart(text, FilePart.COMMENT); - parts.add(fp); - idx += text.length(); - - } else if (rest.startsWith("#")) { - int ridx = rest.indexOf("\n"); - char c = rest.charAt(ridx - 1); - while (-1 != ridx && '\\' == c) { - String rest2 = rest.substring(ridx + 1); - ridx += rest2.indexOf("\n") + 1; - c = rest.charAt(ridx - 1); - } - text = str.substring(idx, idx + ridx); - FilePart fp = new FilePart(text, FilePart.DIRECTIVE); - parts.add(fp); - idx += text.length(); - - } else if (rest.startsWith("}")) { - if (scopedepth <= 0) //Tuscany need to increase scopedepth for - // namespaces? - Utils.rude("Braces do not match", name, lineNo(str, idx), - rest.substring(0, rest.indexOf("\n"))); - else - scopedepth--; - // TODO: better checking that this brace really ends the class - if (0 == scopedepth) - currentClass = null; - scope = "public"; - parts.add(new FilePart("}", FilePart.ENDSCOPE)); - idx++; - - } else if (rest.startsWith(";")) { - parts.add(new FilePart(";", FilePart.FIELD)); - idx++; - - } else if (!Character.isLetter(rest.charAt(0)) - && '~' != rest.charAt(0) && '_' != rest.charAt(0)) { - Utils.rude("Lines must start with a letter ", name, lineNo(str, - idx), rest.substring(0, rest.indexOf("\n"))); - - } else if (MacroPart.isAMacro(rest)) { - MacroPart mp = MacroPart.create(rest); - parts.add(mp); - idx += mp.length(); - - } else if (beginsScope(rest)) { - - //Tuscany a namespace comes in here - scopedepth++; - text = rest.substring(0, Utils.indexOf(rest, "{") + 1); - FilePart fp = new FilePart(text, FilePart.BEGINSCOPE); - parts.add(fp); - idx += text.length(); - if (Utils.startsWith(text, "class")) { - // TODO: cope with comments here - // TODO: split out classes into a ClassPart - StringTokenizer st = new StringTokenizer(text, - Utils.whitespace + ":{"); - st.nextToken(); // step over "class" - while (st.hasMoreTokens()) { - String word = st.nextToken(); - if (Configuration.isAttribute(word)) - continue; - currentClass = word; - break; - } - } - - //Tuscany - if (Utils.startsWith(text, "namespace")) { - // TODO: cope with comments here - StringTokenizer st = new StringTokenizer(text, - Utils.whitespace + "{"); - st.nextToken(); // step over "namespace" - String word = ""; - while (st.hasMoreTokens()) { - word = st.nextToken(); - if (word.equals("{")) { - break; - } - - } - - if(currentNamespace == null) - { - currentNamespace = word; - } - else - { - currentNamespace += "::" + word; - } - //We have not got to the class yet - //so will need ot deal with the namespace - //when we do - } - // Tuscany end - - } else if (isEnumOrUnion(rest)) { - int ridx = Utils.findMatching(rest, '{', '}') + 1; - String rest2 = rest.substring(ridx); - ridx = idx + ridx + Utils.indexOf(rest2, ';') + 1; - text = str.substring(idx, ridx); - FilePart fp = new FilePart(text, FilePart.ENUM); - parts.add(fp); - idx += text.length(); - - } else if (scopedepth > 0 - && (rest.startsWith("public") - || rest.startsWith("protected") || rest - .startsWith("private"))) { - int colon = rest.indexOf(":"); - if (-1 == colon) - Utils.rude("No colon found after public or private ", name, - lineNo(str, idx), rest.substring(0, rest - .indexOf("\n"))); - scope = str.substring(idx, idx + colon); - text = str.substring(idx, idx + colon + 1); - FilePart fp = new FilePart(text, FilePart.CLASSATTRIBUTE); - parts.add(fp); - idx += text.length(); - - } else if (Utils.startsWith(rest, "typedef")) { - int semicolon = Utils.indexOf(rest, ';'); - int brace = Utils.indexOf(rest, '{'); - - if (-1 == semicolon) - Utils.rude("No semicolon found after typedef", name, - lineNo(str, idx), rest.substring(0, rest - .indexOf("\n"))); - - if (-1 == brace || semicolon < brace) { - // Simple typedef - text = str.substring(idx, idx + semicolon + 1); - } else { - // Typedef of a struct, etc - int endbrace = Utils.findMatching(rest, '{', '}'); - String rest2 = rest.substring(endbrace); - semicolon = Utils.indexOf(rest2, ';'); - text = str.substring(idx, idx + endbrace + semicolon + 1); - } - FilePart fp = new FilePart(text, FilePart.TYPEDEF); - parts.add(fp); - idx += text.length(); - - } else { - if (isMethod(rest)) { - - int brace = Utils.indexOf(rest, '{'); - Signature signature = new Signature(str.substring(idx, idx - + brace)); - if (signature.failed()) - Utils.rude("Signature parsing failed", name, lineNo( - str, idx), signature.getOriginal()); - if (null != currentClass - && null == signature.getClassName()) - signature.setClassName(currentClass); - signature.setScope(scope); - signature.setNamespace(currentNamespace); - - String body = rest.substring(brace); - int endBrace = Utils.findMatching(body, '{', '}'); - body = body.substring(0, endBrace + 1); - int endIdx = idx + signature.originalLength() - + body.length(); - text = str.substring(idx, endIdx); - MethodPart mp = new MethodPart(text, signature, body); - parts.add(mp); - idx += text.length(); - - } else if (isField(rest)) { - int semicolon = Utils.indexOf(rest, ';'); - text = str.substring(idx, idx + semicolon + 1); - FilePart fp = new FilePart(text, FilePart.FIELD); - parts.add(fp); - idx += text.length(); - - } else if (isPrototype(rest)) { - int semicolon = Utils.indexOf(rest, ';'); - text = str.substring(idx, idx + semicolon + 1); - PrototypePart pp = new PrototypePart(text, currentClass, currentNamespace); - pp.setScope(scope); - parts.add(pp); - idx += text.length(); - - } else { - //TODO other file parts here - not sure if there are any - // others? - Utils.rude("Unrecognised file part", name, - lineNo(str, idx), rest.substring(0, rest - .indexOf("\n"))); - } // end if - } // end if - } // end for - } - - public Iterator getPartIterator() { - return parts.iterator(); - } - - private int lineNo(String s, int idx) { - int n = 0; - for (int i = 0; i < idx && i < s.length(); i++) - if ('\n' == s.charAt(i)) - n++; - return n; - } - - /** - * Find out whether we are defining a class, struct or extern "C" which may - * contain function implementations. These will have braces which begin a - * new scope. Ignore function prototypes that return a struct. struct mystr { - * int f1; }; struct mystr func(); struct mystr func() { struct mystr a; - * return a; } - */ - private static boolean beginsScope(String s) throws ParsingException { - if (isMethod(s)) - return false; - - int brace = Utils.indexOf(s, '{'); - int semicolon = Utils.indexOf(s, ';'); - - // Return false for class prototypes, but true for class definitions. - if (Utils.startsWith(s, "class")) { - if (-1 == brace) - return false; - if (-1 == semicolon) - return true; - return brace < semicolon; - } - - if (Utils.startsWith(s, "struct")) { - if (-1 == brace || -1 == semicolon) - return false; - return brace < semicolon; - } - - //Tuscany handle namespace for prototypes - //in a similar way to "class" - if (Utils.startsWith(s, "namespace")) { - if (-1 == brace || -1 == semicolon) - return false; - return brace < semicolon; - } - - return startsWithExternScope(s); - } - - /** - * There are 4 types of extern ... extern int field; extern int func(); - * extern "C" int func() { return 2; } extern "C" { int func() { return 2; } } - * This method should return true only for the last of these three examples - * since only the last one creates a new scope using braces. - */ - private static boolean startsWithExternScope(String s) - throws ParsingException { - if (!s.startsWith("extern")) - return false; - - int brace = Utils.indexOf(s, '{'); - int semicolon = Utils.indexOf(s, ';'); - int bracket = Utils.indexOf(s, '('); - - if (-1 == brace) - return false; - return (-1 == semicolon || brace < semicolon) - && (-1 == bracket || brace < bracket); - } - - /** - * Find out whether we are defining an enum or union which will contain - * braces. Ignore function prototypes that return an enum or union. enum - * colour { red, blue }; enum colour func(); enum colour func() { return - * colour.red; } - */ - private static boolean isEnumOrUnion(String s) throws ParsingException { - if ((!Utils.startsWith(s, "enum") && !Utils.startsWith(s, "union")) - || isMethod(s)) - return false; - - int brace = Utils.indexOf(s, '{'); - int semicolon = Utils.indexOf(s, ';'); - return -1 != brace && (-1 == semicolon || brace < semicolon); - } - - /** - * Rules to recognise fields and methods... - * - * Fields must contain a semicolon Methods may or may not contain a - * semicolon Prototypes must contain a semicolon Fields may or may not - * contain a brace (array initialisers do) Methods must contain a brace - * Prototypes must not contain a brace Fields may or may not contain a - * bracket (casts do) Methods must contain a bracket Prototypes must contain - * a bracket - * - * It's a method if it contains a bracket and then a brace before the first - * semicolon (if there is a semicolon). It's a prototype if it's not a - * method and it contains brackets before a semicolon. It's a field if it's - * not a method or a prototype and it contains a semicolon. If it's not a - * field, a method or a prototype and we haven't recognised it previously - * then it's an error. - */ - private static boolean isMethod(String s) throws ParsingException { - int semicolon = Utils.indexOf(s, ';'); - int brace = Utils.indexOf(s, '{'); - int bracket = Utils.indexOf(s, '('); - - return (-1 != bracket && -1 != brace && bracket < brace && (-1 == semicolon || brace < semicolon)); - } - - private static boolean isPrototype(String s) throws ParsingException { - int semicolon = Utils.indexOf(s, ';'); - int bracket = Utils.indexOf(s, '('); - return !isMethod(s) && -1 != semicolon && -1 != bracket - && bracket < semicolon; - } - - private static boolean isField(String s) throws ParsingException { - int semicolon = Utils.indexOf(s, ';'); - return !isMethod(s) && !isPrototype(s) && -1 != semicolon; - } - - public String getName() { - return name; - } - - public String toString() { - StringBuffer text = new StringBuffer(); - for (int i = 0; i < parts.size(); i++) { - text.append(((FilePart) (parts.get(i))).toString()); - } - return text.toString(); - } - -} |