Examples of edu.mit.csail.sdg.alloy4.ErrorWarning

edu.mit.csail.sdg.alloy4.OurSyntaxWidget
Immutable; this represents a nonfatal warning that should be reported to the user.

                     +"Some warnings can affect the soundness of the analysis.\n"
                     +"To proceed despite the warnings, go to the Options menu.\n");
                }
            }
            if (array[0].equals("warning")) {
                ErrorWarning e = (ErrorWarning)(array[1]);
                if (!warnings.add(e)) return;
                Pos p=e.pos;
                span.logLink("Warning #"+warnings.size(), "POS: "+p.x+" "+p.y+" "+p.x2+" "+p.y2+" "+p.filename);
                span.log("\n"); span.logIndented(e.msg.trim()); span.log("\n\n");
            }

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        if (p.size()>0) {
            a = a.intersect(p);
            b = b.intersect(p);
            if (p.is_int) { a=Type.makeInt(a); b=Type.makeInt(b); }
            if (p.is_bool) { a=Type.makeBool(a); b=Type.makeBool(b); }
            if (warns!=null && left.type.hasTuple() && !a.hasTuple()) warns.add(new ErrorWarning(left.span(),"This subexpression is redundant."));
            if (warns!=null && right.type.hasTuple() && !b.hasTuple()) warns.add(new ErrorWarning(right.span(),"This subexpression is redundant."));
        } else {
            a = p;
            b = p;
        }
        Expr cond = this.cond.resolve(Type.FORMULA, warns);

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         for(int i=0; i<decls.size(); i++) {
            again:
            for(ExprHasName n: decls.get(i).names) {
               ExprVar x = (ExprVar)n;
               for(int j=i+1; j<decls.size(); j++) if (decls.get(j).expr.hasVar(x)) continue again;
               if (!sub.hasVar(x)) warns.add(new ErrorWarning(x.pos, "This variable is unused."));
            }
         }
      }
      return this;
   }

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    /** {@inheritDoc} */
    @Override public Expr resolve(Type p, Collection<ErrorWarning> warns) {
        if (errors.size()>0) return this;
        // The var and expr are always already fully resolved, so we only need to resolve sub
        Expr newSub = sub.resolve(p, warns);
        if (warns!=null && !newSub.hasVar(var)) warns.add(new ErrorWarning(var.pos, "This variable is unused."));
        return (sub==newSub) ? this : make(pos, var, expr, newSub);
    }

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         if (ff.isPred) newBody = newBody.resolve_as_formula(warns); else newBody = newBody.resolve_as_set(warns);
         errors = errors.make(newBody.errors);
         if (!newBody.errors.isEmpty()) continue;
         try { ff.setBody(newBody); } catch(Err er) {errors = errors.make(er); continue;}
         if (warns!=null && ff.returnDecl.type().hasTuple() && newBody.type().hasTuple() && !newBody.type().intersects(ff.returnDecl.type()))
            warns.add(new ErrorWarning(newBody.span(),
                  "Function return value is disjoint from its return type.\n"
                  +"Function body has type "+newBody.type() + "\n" + "but the return type is "+ff.returnDecl.type()));
         //else if (warns!=null && Version.experimental && !newBody.type.isSubtypeOf(ff.returnDecl.type))
         //  warns.add(new ErrorWarning(newBody.span(),
         //      "Function may return a tuple not in its declared return type.\n"

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        commands=null;
        if (text==null) return null; // If this was called prior to the "text" being fully initialized
        OurSyntaxWidget t = text.get();
        if (Util.onMac()) frame.getRootPane().putClientProperty("windowModified", Boolean.valueOf(t.modified()));
        if (t.isFile()) frame.setTitle(t.getFilename()); else frame.setTitle("Alloy Analyzer "+Version.version());
        toolbar.setBorder(new OurBorder(false, false, text.count()<=1, false));
        int c = t.getCaret();
        int y = t.getLineOfOffset(c)+1;
        int x = c - t.getLineStartOffset(y-1)+1;
        status.setText("<html>&nbsp; Line "+y+", Column "+x
              +(t.modified()?" <b style=\"color:#B43333;\">[modified]</b></html>":"</html>"));

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            toolbar.add(runbutton=OurUtil.button("Execute", "Executes the latest command", "images/24_execute.gif", doExecuteLatest()));
            toolbar.add(stopbutton=OurUtil.button("Stop", "Stops the current analysis", "images/24_execute_abort2.gif", doStop(2)));
            stopbutton.setVisible(false);
            toolbar.add(showbutton=OurUtil.button("Show", "Shows the latest instance", "images/24_graph.gif", doShowLatest()));
            toolbar.add(Box.createHorizontalGlue());
            toolbar.setBorder(new OurBorder(false,false,false,false));
        } finally {
            wrap = false;
        }


        // Choose the antiAlias setting
        OurAntiAlias.enableAntiAlias(AntiAlias.get());


        // Create the message area
        logpane = OurUtil.scrollpane(null);
        log = new SwingLogPanel(logpane, fontName, fontSize, background, Color.BLACK, new Color(.7f,.2f,.2f), this);


        // Create the text area
        text = new OurTabbedSyntaxWidget(fontName, fontSize, TabSize.get());
        text.listeners.add(this);
        text.enableSyntax(! SyntaxDisabled.get());


        // Add everything to the frame, then display the frame
        Container all=frame.getContentPane();
        all.setLayout(new BorderLayout());
        all.removeAll();
        JPanel lefthalf=new JPanel();
        lefthalf.setLayout(new BorderLayout());
        lefthalf.add(toolbar, BorderLayout.NORTH);
        text.addTo(lefthalf, BorderLayout.CENTER);
        splitpane = OurUtil.splitpane(JSplitPane.HORIZONTAL_SPLIT, lefthalf, logpane, width/2);
        splitpane.setResizeWeight(0.5D);
        status = OurUtil.make(OurAntiAlias.label(" "), new Font(fontName, Font.PLAIN, fontSize), Color.BLACK, background);
        status.setBorder(new OurBorder(true,false,false,false));
        all.add(splitpane, BorderLayout.CENTER);
        all.add(status, BorderLayout.SOUTH);


        // Generate some informative log messages
        log.logBold("Alloy Analyzer "+Version.version()+" (build date: "+Version.buildDate()+")\n\n");

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        final String JAR = Util.jarPrefix();
        String alloytxt;
        try { alloytxt = Util.readAll(JAR + "LICENSES" + File.separator + "Alloy.txt"); } catch(IOException ex) { return null; }
        final JTextArea text = OurUtil.textarea(alloytxt, 15, 85, false, false, new EmptyBorder(2, 2, 2, 2), new Font("Monospaced", Font.PLAIN, 12));
        final JScrollPane scroll = OurUtil.scrollpane(text, new LineBorder(Color.DARK_GRAY, 1));
        final JComboBox combo = new OurCombobox(new String[]{"Alloy","Kodkod","JavaCup","SAT4J","ZChaff","MiniSat"}) {
            private static final long serialVersionUID = 0;
            @Override public void do_changed(Object value) {
              if (value instanceof String) {
                 try {
                     String content = Util.readAll(JAR + "LICENSES" + File.separator + value + ".txt");

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    /** Updates the status bar at the bottom of the screen. */
    private Runner notifyChange() {
        if (wrap) return wrapMe();
        commands=null;
        if (text==null) return null; // If this was called prior to the "text" being fully initialized
        OurSyntaxWidget t = text.get();
        if (Util.onMac()) frame.getRootPane().putClientProperty("windowModified", Boolean.valueOf(t.modified()));
        if (t.isFile()) frame.setTitle(t.getFilename()); else frame.setTitle("Alloy Analyzer "+Version.version());
        toolbar.setBorder(new OurBorder(false, false, text.count()<=1, false));
        int c = t.getCaret();
        int y = t.getLineOfOffset(c)+1;
        int x = c - t.getLineStartOffset(y-1)+1;
        status.setText("<html>&nbsp; Line "+y+", Column "+x
              +(t.modified()?" <b style=\"color:#B43333;\">[modified]</b></html>":"</html>"));
        return null;
    }

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    /** This method performs Edit->FindNext. */
    private Runner doFindNext() {
        if (wrap) return wrapMe();
        if (lastFind.length()==0) return null;
        OurSyntaxWidget t = text.get();
        String all = t.getText();
        int i = Util.indexOf(all, lastFind, t.getCaret()+(lastFindForward?0:-1),lastFindForward,lastFindCaseSensitive);
        if (i<0) {
            i=Util.indexOf(all, lastFind, lastFindForward?0:(all.length()-1), lastFindForward, lastFindCaseSensitive);
            if (i<0) { log.logRed("The specified search string cannot be found."); return null; }
            log.logRed("Search wrapped.");
        } else {
            log.clearError();
        }
        if (lastFindForward) t.moveCaret(i, i+lastFind.length()); else t.moveCaret(i+lastFind.length(), i);
        t.requestFocusInWindow();
        return null;
    }

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edu.mit.csail.sdg.alloy4compiler.ast.CommandScope

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edu.mit.csail.sdg.alloy4compiler.ast.Expr

edu.mit.csail.sdg.alloy4compiler.ast.ExprBadCall

edu.mit.csail.sdg.alloy4compiler.ast.ExprBadJoin

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edu.mit.csail.sdg.alloy4compiler.ast.ExprCall$DeduceType

edu.mit.csail.sdg.alloy4compiler.ast.ExprChoice

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