Now give error if code is too big for sketch; maximum size determined by upload.maximum_size preference.

app/Sizer.java

@@ -0,0 +1,95 @@
+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Sizer - computes the size of a .hex file
+  Part of the Arduino project - http://www.arduino.cc/
+
+  Copyright (c) 2006 David A. Mellis
+
+  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
+  
+  $Id$
+*/
+
+package processing.app;
+import java.io.*;
+import java.util.*;
+
+public class Sizer implements MessageConsumer {
+  private String buildPath, sketchName;
+  private String firstLine;
+  private long size;
+  private RunnerException exception;
+
+  public Sizer(String buildPath, String sketchName) {
+    this.buildPath = buildPath;
+    this.sketchName = sketchName;
+  }
+  
+  public long computeSize() throws RunnerException {
+    String userdir = System.getProperty("user.dir") + File.separator;
+    String commandSize[] = new String[] {
+      ((!Base.isMacOS()) ? "tools/avr/bin/avr-size" :
+        userdir + "tools/avr/bin/avr-size"),
+      " "
+    };
+    
+    commandSize[1] = buildPath + File.separator + sketchName + ".hex";
+
+    try {
+      exception = null;
+      size = -1;
+      firstLine = null;
+      Process process = Runtime.getRuntime().exec(commandSize);
+      new MessageSiphon(process.getInputStream(), this);
+      new MessageSiphon(process.getErrorStream(), this);
+      boolean running = true;
+      while(running) {
+        try {
+          process.waitFor();
+          running = false;
+        } catch (InterruptedException intExc) { }
+      }
+    } catch (Exception e) {
+      exception = new RunnerException(e);
+    }
+    
+    if (exception != null)
+      throw exception;
+      
+    if (size == -1)
+      throw new RunnerException(firstLine);
+      
+    return size;
+  }
+  
+  public void message(String s) {
+    if (firstLine == null)
+      firstLine = s;
+    else {
+      StringTokenizer st = new StringTokenizer(s, " ");
+      try {
+        st.nextToken();
+        st.nextToken();
+        st.nextToken();
+        size = (new Integer(st.nextToken().trim())).longValue();
+      } catch (NoSuchElementException e) {
+        exception = new RunnerException(e);
+      } catch (NumberFormatException e) {
+        exception = new RunnerException(e);
+      }
+    }
+  }
+}

app/Sketch.java

@@ -1548,6 +1548,24 @@ public class Sketch {
     return success ? primaryClassName : null;
   }
   
+  protected void size(String buildPath, String suggestedClassName)
+    throws RunnerException {
+    long size = 0;
+    Sizer sizer = new Sizer(buildPath, suggestedClassName);
+    try {
+      size = sizer.computeSize();
+      System.out.println("Binary sketch size: " + size + " bytes (of a " +
+        Preferences.get("upload.maximum_size") + " byte maximum)");      
+    } catch (RunnerException e) {
+      System.err.println("Couldn't determine program size: " + e.getMessage());
+    }
+
+    if (size > Preferences.getInteger("upload.maximum_size"))
+      throw new RunnerException(
+        "Sketch too big; try deleting code, removing floats, or see " +
+        "http://www.arduino.cc/en/Main/FAQ for more advice.");
+  }
+
   protected String upload(String buildPath, String suggestedClassName)
     throws RunnerException {
 
@@ -1628,6 +1646,7 @@ public class Sketch {
 
     // build the sketch
     String foundName = build(target, appletFolder.getPath(), name);
+    size(appletFolder.getPath(), name);
     foundName = upload(appletFolder.getPath(), name);
     // (already reported) error during export, exit this function
     if (foundName == null) return false;

build/macosx/Arduino.xcodeproj/project.pbxproj

@@ -153,6 +153,7 @@
 
 /* Begin PBXBuildFile section */
 		330B21540968180400345666 /* librxtxSerial.jnilib in CopyFiles */ = {isa = PBXBuildFile; fileRef = 330B21530968180400345666 /* librxtxSerial.jnilib */; };
+		332D4DB609CF147F00BF81F6 /* Sizer.java in Sources */ = {isa = PBXBuildFile; fileRef = 332D4DB509CF147F00BF81F6 /* Sizer.java */; };
 		339514EE097AEB5900193C89 /* STDCTokenTypes.txt in Resources */ = {isa = PBXBuildFile; fileRef = 33FFFE420965BD110016AC38 /* STDCTokenTypes.txt */; };
 		339514FA097AEB8000193C89 /* license.txt in CopyFiles */ = {isa = PBXBuildFile; fileRef = 33FF02B60965BD170016AC38 /* license.txt */; };
 		339514FB097AEB8000193C89 /* readme.txt in CopyFiles */ = {isa = PBXBuildFile; fileRef = 33FF02B70965BD170016AC38 /* readme.txt */; };
@@ -362,6 +363,7 @@
 
 /* Begin PBXFileReference section */
 		330B21530968180400345666 /* librxtxSerial.jnilib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.bundle"; path = librxtxSerial.jnilib; sourceTree = "<group>"; };
+		332D4DB509CF147F00BF81F6 /* Sizer.java */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.java; path = Sizer.java; sourceTree = "<group>"; };
 		333269E1099BB1FC007D3AE2 /* tools.zip */ = {isa = PBXFileReference; lastKnownFileType = archive.zip; path = tools.zip; sourceTree = "<group>"; };
 		33AF620A0965D67800B514A9 /* antlr.jar */ = {isa = PBXFileReference; lastKnownFileType = archive.jar; path = antlr.jar; sourceTree = "<group>"; };
 		33AF620B0965D67900B514A9 /* applet.html */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text.html; path = applet.html; sourceTree = "<group>"; };
@@ -767,6 +769,7 @@
 				33FFFE710965BD110016AC38 /* tools */,
 				33FFFE730965BD110016AC38 /* UpdateCheck.java */,
 				33FFFE740965BD110016AC38 /* Uploader.java */,
+				332D4DB509CF147F00BF81F6 /* Sizer.java */,
 			);
 			name = app;
 			path = ../../app;
@@ -1116,6 +1119,7 @@
 				33AF61B30965C54B00B514A9 /* WTreeParser.java in Sources */,
 				33AF61B40965C54B00B514A9 /* JEditTextArea.java in Sources */,
 				33AF61B50965C54B00B514A9 /* Base.java in Sources */,
+				332D4DB609CF147F00BF81F6 /* Sizer.java in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

build/shared/lib/preferences.txt

@@ -271,6 +271,7 @@ linestatus.height  = 20
 upload.erase=false
 upload.verify=false
 upload.programmer=stk500
+upload.maximum_size=7168
 
 # set the parallel port defaults (used if upload.programmer=dapa)
 parallel.port=0x378