processing/java/src/processing/mode/java/Compiler.java at master · sreejakshetty/processing · GitHub

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation,

Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package processing.mode.java;

import processing.app.*;

import processing.app.ui.Editor;

import processing.core.*;

import java.io.*;

import java.lang.reflect.Method;

import java.util.HashMap;

//import org.eclipse.jdt.core.compiler.batch.BatchCompiler;

//import org.eclipse.jdt.core.compiler.CompilationProgress;

public class Compiler {

static HashMap<String, String> importSuggestions;

static {

importSuggestions = new HashMap<String, String>();

importSuggestions.put("Arrays", "java.util.Arrays");

importSuggestions.put("Collections", "java.util.Collections");

importSuggestions.put("Date", "java.util.Date");

importSuggestions.put("Frame", "java.awt.Frame");

importSuggestions.put("Iterator", "java.util.Iterator");

}

/**

* Compile with ECJ. See http://j.mp/8paifz for documentation.

* @param sketch Sketch object to be compiled, used for placing exceptions

* @param buildPath Where the temporary files live and will be built from.

* @return true if successful.

* @throws RunnerException Only if there's a problem. Only then.

static public boolean compile(JavaBuild build) throws SketchException {

// This will be filled in if anyone gets angry

SketchException exception = null;

boolean success = false;

String baseCommand[] = new String[] {

"-g",

"-Xemacs",

//"-noExit", // not necessary for ecj

"-source", "1.7",

"-target", "1.7",

"-classpath", build.getClassPath(),

"-nowarn", // we're not currently interested in warnings (works in ecj)

"-d", build.getBinFolder().getAbsolutePath() // output the classes in the buildPath

};

//PApplet.println(baseCommand);

String[] sourceFiles = Util.listFiles(build.getSrcFolder(), false, ".java");

String[] command = PApplet.concat(baseCommand, sourceFiles);

//PApplet.println(command);

try {

// Load errors into a local StringBuilder

final StringBuilder errorBuffer = new StringBuilder();

// Create single method dummy writer class to slurp errors from ecj

Writer internalWriter = new Writer() {

public void write(char[] buf, int off, int len) {

errorBuffer.append(buf, off, len);

}

public void flush() { }

public void close() { }

};

// Wrap as a PrintWriter since that's what compile() wants

PrintWriter writer = new PrintWriter(internalWriter);

//result = com.sun.tools.javac.Main.compile(command, writer);

PrintWriter outWriter = new PrintWriter(System.out);

// Version that's not dynamically loaded

//CompilationProgress progress = null;

//success = BatchCompiler.compile(command, outWriter, writer, progress);

// Version that *is* dynamically loaded. First gets the mode class loader

// so that it can grab the compiler JAR files from it.

ClassLoader loader = build.mode.getClassLoader();

try {

Class<?> batchClass =

Class.forName("org.eclipse.jdt.core.compiler.batch.BatchCompiler", false, loader);

Class<?> progressClass =

Class.forName("org.eclipse.jdt.core.compiler.CompilationProgress", false, loader);

Class<?>[] compileArgs =

new Class<?>[] { String[].class, PrintWriter.class, PrintWriter.class, progressClass };

Method compileMethod = batchClass.getMethod("compile", compileArgs);

success = (Boolean)

compileMethod.invoke(null, new Object[] { command, outWriter, writer, null });

} catch (Exception e) {

e.printStackTrace();

throw new SketchException("Unknown error inside the compiler.");

}

// Close out the stream for good measure

writer.flush();

writer.close();

BufferedReader reader =

new BufferedReader(new StringReader(errorBuffer.toString()));

//System.err.println(errorBuffer.toString());

String line = null;

while ((line = reader.readLine()) != null) {

//System.out.println("got line " + line); // debug

// get first line, which contains file name, line number,

// and at least the first line of the error message

String errorFormat = "([\\w\\d_]+.java):(\\d+):\\s*(.*):\\s*(.*)\\s*";

String[] pieces = PApplet.match(line, errorFormat);

//PApplet.println(pieces);

// if it's something unexpected, die and print the mess to the console

if (pieces == null) {

exception = new SketchException("Cannot parse error text: " + line);

exception.hideStackTrace();

// Send out the rest of the error message to the console.

System.err.println(line);

while ((line = reader.readLine()) != null) {

System.err.println(line);

}

break;

}

// translate the java filename and line number into a un-preprocessed

// location inside a source file or tab in the environment.

String dotJavaFilename = pieces[1];

// Line numbers are 1-indexed from javac

int dotJavaLineIndex = PApplet.parseInt(pieces[2]) - 1;

String errorMessage = pieces[4];

exception = build.placeException(errorMessage,

dotJavaFilename,

dotJavaLineIndex);

if (exception == null) {

exception = new SketchException(errorMessage);

}

if (errorMessage.startsWith("The import ") &&

errorMessage.endsWith("cannot be resolved")) {

// The import poo cannot be resolved

//import poo.shoe.blah.*;

//String what = errorMessage.substring("The import ".length());

String[] m = PApplet.match(errorMessage, "The import (.*) cannot be resolved");

//what = what.substring(0, what.indexOf(' '));

if (m != null) {

// System.out.println("'" + m[1] + "'");

if (m[1].equals("processing.xml")) {

exception.setMessage("processing.xml no longer exists, this code needs to be updated for 2.0.");

System.err.println("The processing.xml library has been replaced " +

"with a new 'XML' class that's built-in.");

handleCrustyCode();

} else {

exception.setMessage("The package " +

"\u201C" + m[1] + "\u201D" +

" does not exist. " +

"You might be missing a library.");

System.err.println("Libraries must be " +

"installed in a folder named 'libraries' " +

"inside the 'sketchbook' folder.");

}

} else if (errorMessage.endsWith("cannot be resolved to a type")) {

// xxx cannot be resolved to a type

//xxx c;

String what = errorMessage.substring(0, errorMessage.indexOf(' '));

if (what.equals("BFont") ||

what.equals("BGraphics") ||

what.equals("BImage")) {

exception.setMessage(what + " has been replaced with P" + what.substring(1));

handleCrustyCode();

} else {

exception.setMessage("Cannot find a class or type " +

"named \u201C" + what + "\u201D");

String suggestion = importSuggestions.get(what);

if (suggestion != null) {

System.err.println("You may need to add \"import " + suggestion + ";\" to the top of your sketch.");

System.err.println("To make sketches more portable, imports that are not part of the Processing API have been removed from Processing 2.0.");

System.err.println("See the changes page for more information: http://wiki.processing.org/w/Changes");

}

} else if (errorMessage.endsWith("cannot be resolved")) {

// xxx cannot be resolved

//println(xxx);

String what = errorMessage.substring(0, errorMessage.indexOf(' '));

if (what.equals("LINE_LOOP") ||

what.equals("LINE_STRIP")) {

exception.setMessage("LINE_LOOP and LINE_STRIP are not available, " +

"please update your code.");

handleCrustyCode();

} else if (what.equals("framerate")) {

exception.setMessage("framerate should be changed to frameRate.");

handleCrustyCode();

} else if (what.equals("screen")) {

exception.setMessage("Change screen.width and screen.height to " +

"displayWidth and displayHeight.");

handleCrustyCode();

} else if (what.equals("screenWidth") ||

what.equals("screenHeight")) {

exception.setMessage("Change screenWidth and screenHeight to " +

"displayWidth and displayHeight.");

handleCrustyCode();

} else {

exception.setMessage("Cannot find anything " +

"named \u201C" + what + "\u201D");

}

} else if (errorMessage.startsWith("Duplicate")) {

// "Duplicate nested type xxx"

// "Duplicate local variable xxx"

} else {

String[] parts = null;

// The method xxx(String) is undefined for the type Temporary_XXXX_XXXX

//xxx("blah");

// The method xxx(String, int) is undefined for the type Temporary_XXXX_XXXX

//xxx("blah", 34);

// The method xxx(String, int) is undefined for the type PApplet

//PApplet.sub("ding");

String undefined =

"The method (\\S+\\(.*\\)) is undefined for the type (.*)";

parts = PApplet.match(errorMessage, undefined);

if (parts != null) {

if (parts[1].equals("framerate(int)")) {

exception.setMessage("framerate() no longer exists, use frameRate() instead.");

handleCrustyCode();

} else if (parts[1].equals("push()")) {

exception.setMessage("push() no longer exists, use pushMatrix() instead.");

handleCrustyCode();

} else if (parts[1].equals("pop()")) {

exception.setMessage("pop() no longer exists, use popMatrix() instead.");

handleCrustyCode();

} else {

String mess = "The function " + parts[1] + " does not exist.";

exception.setMessage(mess);

}

break;

}

if (exception != null) {

// The stack trace just shows that this happened inside the compiler,

// which is a red herring. Don't ever show it for compiler stuff.

exception.hideStackTrace();

break;

}

} catch (IOException e) {

String bigSigh = "Error while compiling. (" + e.getMessage() + ")";

exception = new SketchException(bigSigh);

e.printStackTrace();

success = false;

}

// In case there was something else.

if (exception != null) throw exception;

return success;

}

static protected void handleCrustyCode() {

System.err.println("This code needs to be updated " +

"for this version of Processing, " +

"please read the Changes page on the Wiki.");

Editor.showChanges();

}

protected int caretColumn(String caretLine) {

return caretLine.indexOf("^");

}

processing/java/src/processing/mode/java/Compiler.java at master · sreejakshetty/processing · GitHub

Repository navigation

Expand file tree

Breadcrumbs

Compiler.java

Latest commit

History

Breadcrumbs

Compiler.java

File metadata and controls