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Refactored PdePreprocessor class
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8a8bb44745
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@ -1339,7 +1339,6 @@ public class Sketch {
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// make sure the user didn't hide the sketch folder
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ensureExistence();
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String[] codeFolderPackages = null;
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classPath = buildPath;
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// // figure out the contents of the code folder to see if there
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@ -1381,12 +1380,8 @@ public class Sketch {
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// Note that the headerOffset isn't applied until compile and run, because
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// it only applies to the code after it's been written to the .java file.
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int headerOffset = 0;
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//PdePreprocessor preprocessor = new PdePreprocessor();
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try {
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headerOffset = preprocessor.writePrefix(bigCode.toString(),
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buildPath,
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name,
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codeFolderPackages);
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headerOffset = preprocessor.writePrefix(bigCode.toString());
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} catch (FileNotFoundException fnfe) {
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fnfe.printStackTrace();
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String msg = _("Build folder disappeared or could not be written");
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@ -1399,24 +1394,14 @@ public class Sketch {
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String primaryClassName = null;
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try {
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// if (i != 0) preproc will fail if a pde file is not
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// java mode, since that's required
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String className = preprocessor.write();
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if (className == null) {
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throw new RunnerException(_("Could not find main class"));
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// this situation might be perfectly fine,
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// (i.e. if the file is empty)
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//System.out.println("No class found in " + code[i].name);
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//System.out.println("(any code in that file will be ignored)");
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//System.out.println();
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// } else {
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// code[0].setPreprocName(className + ".java");
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}
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// Output file
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File streamFile = new File(buildPath, name + ".cpp");
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FileOutputStream outputStream = new FileOutputStream(streamFile);
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preprocessor.write(outputStream);
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outputStream.close();
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// store this for the compiler and the runtime
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primaryClassName = className + ".cpp";
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primaryClassName = name + ".cpp";
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} catch (FileNotFoundException fnfe) {
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fnfe.printStackTrace();
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@ -1668,58 +1653,7 @@ public class Sketch {
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return success ? suggestedClassName : null;
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}
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/**
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* Replace all commented portions of a given String as spaces.
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* Utility function used here and in the preprocessor.
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*/
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static public String scrubComments(String what) {
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char p[] = what.toCharArray();
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int index = 0;
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while (index < p.length) {
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// for any double slash comments, ignore until the end of the line
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if ((p[index] == '/') &&
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(index < p.length - 1) &&
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(p[index+1] == '/')) {
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p[index++] = ' ';
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p[index++] = ' ';
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while ((index < p.length) &&
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(p[index] != '\n')) {
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p[index++] = ' ';
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}
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// check to see if this is the start of a new multiline comment.
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// if it is, then make sure it's actually terminated somewhere.
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} else if ((p[index] == '/') &&
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(index < p.length - 1) &&
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(p[index+1] == '*')) {
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p[index++] = ' ';
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p[index++] = ' ';
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boolean endOfRainbow = false;
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while (index < p.length - 1) {
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if ((p[index] == '*') && (p[index+1] == '/')) {
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p[index++] = ' ';
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p[index++] = ' ';
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endOfRainbow = true;
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break;
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} else {
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// continue blanking this area
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p[index++] = ' ';
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}
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}
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if (!endOfRainbow) {
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throw new RuntimeException(_("Missing the */ from the end of a " +
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"/* comment */"));
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}
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} else { // any old character, move along
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index++;
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}
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}
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return new String(p);
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}
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public boolean exportApplicationPrompt() throws IOException, RunnerException {
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return false;
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}
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@ -29,6 +29,7 @@
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package processing.app.preproc;
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import static processing.app.I18n._;
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import processing.app.*;
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import processing.core.*;
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@ -61,38 +62,22 @@ public class PdePreprocessor {
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// than the others, since the imports are auto-generated.
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List<String> codeFolderImports;
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String indent;
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PrintStream stream;
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String program;
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String buildPath;
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// starts as sketch name, ends as main class name
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String name;
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/**
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* Setup a new preprocessor.
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*/
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public PdePreprocessor() {
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int tabSize = Preferences.getInteger("editor.tabs.size");
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char[] indentChars = new char[tabSize];
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Arrays.fill(indentChars, ' ');
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indent = new String(indentChars);
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}
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/**
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* Writes out the head of the c++ code generated for a sketch.
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* Called from processing.app.Sketch.
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* @param program the concatenated code from all tabs containing pde-files
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* @param buildPath the path into which the processed pde-code is to be written
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* @param name the name of the sketch
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* @param codeFolderPackages unused param (leftover from processing)
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*/
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public int writePrefix(String program, String buildPath,
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String sketchName, String codeFolderPackages[]) throws FileNotFoundException {
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this.buildPath = buildPath;
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this.name = sketchName;
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public int writePrefix(String program)
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throws FileNotFoundException {
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// if the program ends with no CR or LF an OutOfMemoryError will happen.
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// not gonna track down the bug now, so here's a hack for it:
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// http://dev.processing.org/bugs/show_bug.cgi?id=5
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@ -102,7 +87,7 @@ public class PdePreprocessor {
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// an OutOfMemoryError or NullPointerException will happen.
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// again, not gonna bother tracking this down, but here's a hack.
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// http://dev.processing.org/bugs/show_bug.cgi?id=16
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Sketch.scrubComments(program);
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scrubComments(program);
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// If there are errors, an exception is thrown and this fxn exits.
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if (Preferences.getBoolean("preproc.substitute_unicode")) {
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@ -134,10 +119,6 @@ public class PdePreprocessor {
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// do this after the program gets re-combobulated
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this.program = program;
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// output the code
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File streamFile = new File(buildPath, name + ".cpp");
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stream = new PrintStream(new FileOutputStream(streamFile));
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return headerCount + prototypeCount;
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}
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@ -181,17 +162,16 @@ public class PdePreprocessor {
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}
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/**
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* preprocesses a pde file and writes out a java file
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* @return the classname of the exported Java
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* preprocesses a pde file and writes out a cpp file into the specified
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* OutputStream
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*
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* @param output
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* @throws Exception
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*/
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//public String write(String program, String buildPath, String name,
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// String extraImports[]) throws java.lang.Exception {
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public String write() throws java.lang.Exception {
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public void write(OutputStream output) throws Exception {
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PrintStream stream = new PrintStream(output);
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writeProgram(stream, program, prototypes);
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writeFooter(stream);
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stream.close();
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return name;
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}
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// Write the pde program to the cpp file
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@ -344,4 +324,56 @@ public class PdePreprocessor {
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return functionMatches;
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}
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/**
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* Replace all commented portions of a given String as spaces.
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* Utility function used here and in the preprocessor.
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*/
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static public String scrubComments(String what) {
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char p[] = what.toCharArray();
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int index = 0;
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while (index < p.length) {
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// for any double slash comments, ignore until the end of the line
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if ((p[index] == '/') &&
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(index < p.length - 1) &&
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(p[index+1] == '/')) {
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p[index++] = ' ';
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p[index++] = ' ';
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while ((index < p.length) &&
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(p[index] != '\n')) {
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p[index++] = ' ';
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}
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// check to see if this is the start of a new multiline comment.
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// if it is, then make sure it's actually terminated somewhere.
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} else if ((p[index] == '/') &&
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(index < p.length - 1) &&
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(p[index+1] == '*')) {
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p[index++] = ' ';
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p[index++] = ' ';
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boolean endOfRainbow = false;
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while (index < p.length - 1) {
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if ((p[index] == '*') && (p[index+1] == '/')) {
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p[index++] = ' ';
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p[index++] = ' ';
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endOfRainbow = true;
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break;
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} else {
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// continue blanking this area
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p[index++] = ' ';
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}
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}
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if (!endOfRainbow) {
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throw new RuntimeException(_("Missing the */ from the end of a " +
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"/* comment */"));
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}
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} else { // any old character, move along
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index++;
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}
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}
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return new String(p);
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}
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}
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