busparameters.java

The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that c

	 * Added for ArchGen Plugin - BVE
	 * @param var
	 * @param lib
	 * @param libParameters
	 * @return
	 */
	private static String replaceVariableInString(String var, Library lib, Map<Library,String[]> libParameters) {
		String varString = var;
		for(;;)
		{
			int dollarPos = varString.indexOf("$(");
			if (dollarPos < 0) break;
			int closePos = varString.indexOf(')', dollarPos);
			if (closePos < 0)
			{
				System.out.println("ERROR: Bus parameter '" + varString + "' is missing the close parenthesis");
				break;
			}
			String varName = varString.substring(dollarPos+2, closePos);

			String [] paramList = libParameters.get(lib);
			String paramValue = null;
			if (paramList != null) {
				paramValue = findParameterValue(paramList, varName);
			}
			if (paramValue == null)
			{
				for(Iterator<Library> it = Library.getLibraries(); it.hasNext(); )
				{
					Library aLib = it.next();
					if (aLib == lib || aLib.isHidden()) continue;
					paramList = libParameters.get(aLib);
					paramValue = findParameterValue(paramList, varName);
					if (paramValue != null) break;
				}
				if (paramValue == null)
				{
					System.out.println("ERROR: Bus parameter '" + varName + "' is not defined");
					break;
				}
			}
			varString = varString.substring(0, dollarPos) + paramValue + varString.substring(closePos+1);
		}
		return varString;
	}
	
	private static String updateVariable(Variable var, Library lib, Map<Library,String[]> libParameters)
	{
		// first substitute variable names
		String varString = (String)var.getObject();
		// BVE - Old code refactored into helper function
		varString = replaceVariableInString(varString, lib, libParameters);

		// now that variables are substituted, handle arithmetic
		for(int i=0; i<varString.length(); i++)
		{
			char op = varString.charAt(i);
			if (op != '+' && op != '-' && op != '*' && op != '/') continue;

			// gather number before the operator
			int start = i;
			while (start > 0 && TextUtils.isDigit(varString.charAt(start-1))) start--;

			int end = i;
			while (end+1 < varString.length() && TextUtils.isDigit(varString.charAt(end+1))) end++;

			if (start < i && end > i)
			{
				// found numbers
				int startVal = TextUtils.atoi(varString.substring(start));
				int endVal = TextUtils.atoi(varString.substring(i+1));
				int res = 0;
				if (op == '+')
				{
					res = startVal + endVal;
				} else if (op == '-')
				{
					res = startVal - endVal;
				} else if (op == '*')
				{
					res = startVal * endVal;
				} else if (op == '/')
				{
					if (endVal != 0) res = startVal / endVal;
				}
				String newString = Integer.toString(res);
				varString = varString.substring(0, start) + newString + varString.substring(end+1);
				i = start + newString.length() - 1;
			}
		}
		return varString;
	}

	private static String findParameterValue(String [] parameterList, String varName)
	{
		for(int i=0; i<parameterList.length; i++)
		{
			String param = parameterList[i];
			int equalPos = param.indexOf('=');
			if (equalPos < 0) continue;
			if (varName.equalsIgnoreCase(param.substring(0, equalPos)))
				return param.substring(equalPos+1);
		}
		return null;
	}

	/**
	 * Class to create a bus template on an arc or export.
	 */
	private static class AddTemplate extends Job
	{
		private ElectricObject owner;
		private String templateString;

		private AddTemplate(ElectricObject owner)
		{
			super("Create Bus Parameter", User.getUserTool(), Job.Type.CHANGE, null, null, Job.Priority.USER);
			this.owner = owner;
			this.templateString = "";
			startJob();
		}
		
		/**
		 * Constructor for adding a bus parameter template to an ElectricObject immediately or as a job.
		 * Added the ability to append a string to the template
		 * Added for ArchGen Plugin - BVE
		 * @param owner
		 * @param suffix
		 * @return
		 */
		private AddTemplate(ElectricObject owner, boolean doItNow, String initValue)
		{
			super("Create Bus Parameter", User.getUserTool(), Job.Type.CHANGE, null, null, Job.Priority.USER);
			this.owner = owner;
			this.templateString = initValue;
			if (doItNow) {
			   try {doIt();} catch (Exception e) {e.printStackTrace();}
			}else {
				startJob();
			}
		}

		public boolean doIt() throws JobException
		{
			if (owner instanceof NodeInst)
			{
				// add template to node
				NodeInst ni = (NodeInst)owner;
				TextDescriptor td = ni.getTextDescriptor(NodeInst.NODE_NAME);
				double relSize = 1;
				if (!td.getSize().isAbsolute())
					relSize = td.getSize().getSize();
				td = td.withOff(td.getXOff(), td.getYOff() - relSize*1.5).withRelSize(relSize/2).withDispPart(TextDescriptor.DispPos.NAMEVALUE);
				if(!templateString.equals("")) {
					ni.newVar(NODE_BUS_TEMPLATE, ni.getName()+templateString, td);				
				}else {
					ni.newVar(NODE_BUS_TEMPLATE, ni.getName(), td);
				}
			} else if (owner instanceof ArcInst)
			{
				// add template to arc
				ArcInst ai = (ArcInst)owner;
				TextDescriptor td = ai.getTextDescriptor(ArcInst.ARC_NAME);
				double relSize = 1;
				if (!td.getSize().isAbsolute())
					relSize = td.getSize().getSize();
				td = td.withOff(td.getXOff(), td.getYOff() - relSize*1.5).withRelSize(relSize/2).withDispPart(TextDescriptor.DispPos.NAMEVALUE);
				if(!templateString.equals("")) {
					ai.newVar(ARC_BUS_TEMPLATE, ai.getName()+templateString, td);
				}else {
					ai.newVar(ARC_BUS_TEMPLATE, ai.getName(), td);
				}
			} else
			{
				// add template to export
				Export e = (Export)owner;
				TextDescriptor td = e.getTextDescriptor(Export.EXPORT_NAME);
				double relSize = 1;
				if (!td.getSize().isAbsolute())
					relSize = td.getSize().getSize();
				td = td.withOff(td.getXOff(), td.getYOff() - relSize*1.5).withRelSize(relSize/2).withDispPart(TextDescriptor.DispPos.NAMEVALUE);
				if(!templateString.equals("")) {
					e.newVar(EXPORT_BUS_TEMPLATE, e.getName()+templateString, td);
				}else {
					e.newVar(EXPORT_BUS_TEMPLATE, e.getName(), td);
				}
			}
			return true;
		}
	}

	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
	// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        done = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        libraryPopup = new javax.swing.JComboBox();
        variablesPane = new javax.swing.JScrollPane();
        jLabel2 = new javax.swing.JLabel();
        value = new javax.swing.JTextField();
        update = new javax.swing.JButton();
        deleteVariable = new javax.swing.JButton();
        newVariable = new javax.swing.JButton();
        jLabel3 = new javax.swing.JLabel();
        jSeparator1 = new javax.swing.JSeparator();

        getContentPane().setLayout(new java.awt.GridBagLayout());

        setTitle("Bus Parameters");
        setName("");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closeDialog(evt);
            }
        });

        getAccessibleContext().setAccessibleName("Bus Parameters");
        done.setText("Done");
        done.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                doneActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 8;
        gridBagConstraints.weightx = 0.5;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(done, gridBagConstraints);

        jLabel1.setText("Library:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jLabel1, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(libraryPopup, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.gridheight = 7;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 0.5;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(variablesPane, gridBagConstraints);

        jLabel2.setText("Parameters:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jLabel2, gridBagConstraints);

        value.setColumns(8);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 0.5;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(value, gridBagConstraints);

        update.setText("Update All Templates");
        update.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                updateActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 7;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(update, gridBagConstraints);

        deleteVariable.setText("Delete Parameter");
        deleteVariable.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                deleteVariableActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 5;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(deleteVariable, gridBagConstraints);

        newVariable.setText("New Parameter");
        newVariable.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                newVariableActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(newVariable, gridBagConstraints);

        jLabel3.setText("Parameter Value:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jLabel3, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 6;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jSeparator1, gridBagConstraints);

        pack();
    }
    // </editor-fold>//GEN-END:initComponents

    private void newVariableActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_newVariableActionPerformed
		String libName = (String)libraryPopup.getSelectedItem();
		Library lib = Library.findLibrary(libName);
		if (lib == null) return;
		String [] parameterList = libParameters.get(lib);
		String newParName = Job.getUserInterface().askForInput("New Bus Parameter Name:", "Create New Bus Parameter", "");
		if (newParName == null) return;

		// make sure the name is unique
		int insertAfter = -1;
		for(int i=0; i<parameterList.length; i++)
		{
			int equalPos = parameterList[i].indexOf('=');
			if (equalPos < 0) continue;
			String varName = parameterList[i].substring(0, equalPos);
			if (varName.equalsIgnoreCase(newParName))
			{
				Job.getUserInterface().showErrorMessage("That bus parameter name already exists", "Duplicate Name");
				return;
			}
			if (varName.compareToIgnoreCase(newParName) < 0) insertAfter = i;
		}
		String [] newParameterList = new String[parameterList.length+1];
		int j = 0;
		for(int i=0; i<parameterList.length; i++)
		{
			if (i == insertAfter+1) newParameterList[j++] = newParName + "=1";
			newParameterList[j++] = parameterList[i];
		}
		if (parameterList.length == insertAfter+1) newParameterList[j++] = newParName + "=1";
		libParameters.put(lib, newParameterList);
		new UpdateLibrary(lib, newParameterList);
		libraryChanged();
    }//GEN-LAST:event_newVariableActionPerformed

	private void deleteVariableActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_deleteVariableActionPerformed
		String libName = (String)libraryPopup.getSelectedItem();
		Library lib = Library.findLibrary(libName);
		if (lib == null) return;
		String [] parameterList = libParameters.get(lib);
		int selectedIndex = parametersList.getSelectedIndex();
		if (selectedIndex < 0 || selectedIndex >= parameterList.length) return;
		String [] newParameterList = new String[parameterList.length-1];
		int j = 0;
		for(int i=0; i<parameterList.length; i++)
		{
			if (i != selectedIndex) newParameterList[j++] = parameterList[i];
		}
		libParameters.put(lib, newParameterList);
		new UpdateLibrary(lib, newParameterList);
		libraryChanged();
    }//GEN-LAST:event_deleteVariableActionPerformed

    private void updateActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_updateActionPerformed
		new UpdateAllParameters(libParameters);
    }//GEN-LAST:event_updateActionPerformed

    private void doneActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_doneActionPerformed
		closeDialog(null);
    }//GEN-LAST:event_doneActionPerformed

	/** Closes the dialog */
	private void closeDialog(java.awt.event.WindowEvent evt)//GEN-FIRST:event_closeDialog
	{
		setVisible(false);
		dispose();
	}//GEN-LAST:event_closeDialog

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton deleteVariable;
    private javax.swing.JButton done;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JComboBox libraryPopup;
    private javax.swing.JButton newVariable;
    private javax.swing.JButton update;
    private javax.swing.JTextField value;
    private javax.swing.JScrollPane variablesPane;
    // End of variables declaration//GEN-END:variables
}