mirror of
https://github.com/scratchfoundation/scratch-blocks.git
synced 2025-08-28 22:10:31 -04:00
Automatic commit Mon Jan 13 03:00:02 PST 2014
This commit is contained in:
ellen.spertus
parent
0b5cc3cf18
commit
ce63f70b37
14 changed files with 1980 additions and 17 deletions
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@ -435,13 +435,18 @@ Blockly.Blocks['field_image'] = {
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.appendField(new Blockly.FieldTextInput(src), 'SRC');
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this.appendDummyInput()
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.appendField('width')
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.appendField(new Blockly.FieldTextInput('15'), 'WIDTH')
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.appendField(new Blockly.FieldTextInput('15',
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Blockly.FieldTextInput.numberValidator), 'WIDTH')
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.appendField('height')
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.appendField(new Blockly.FieldTextInput('15'), 'HEIGHT');
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.appendField(new Blockly.FieldTextInput('15',
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Blockly.FieldTextInput.numberValidator), 'HEIGHT')
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.appendField('alt text')
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.appendField(new Blockly.FieldTextInput('*'), 'ALT');
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this.setPreviousStatement(true, 'Field');
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this.setNextStatement(true, 'Field');
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this.setTooltip('Static image (JPEG, PNG, GIF, SVG, BMP).\n' +
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'Retains aspect ratio regardless of height and width.');
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'Retains aspect ratio regardless of height and width.\n' +
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'Alt text is for when collapsed.');
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}
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};
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@ -209,8 +209,9 @@ function getFields(block) {
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var src = escapeString(block.getFieldValue('SRC'));
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var width = Number(block.getFieldValue('WIDTH'));
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var height = Number(block.getFieldValue('HEIGHT'));
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var alt = escapeString(block.getFieldValue('ALT'));
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fields.push('new Blockly.FieldImage(' +
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src + ', ' + width + ', ' + height + ')');
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src + ', ' + width + ', ' + height + ', ' + alt + ')');
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break;
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}
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block = block.nextConnection && block.nextConnection.targetBlock();
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@ -35,10 +35,10 @@ Blockly.Blocks['text'] = {
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this.setColour(160);
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this.appendDummyInput()
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote0.png', 12, 12))
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'media/quote0.png', 12, 12, '"'))
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.appendField(new Blockly.FieldTextInput(''), 'TEXT')
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote1.png', 12, 12));
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'media/quote1.png', 12, 12, '"'));
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this.setOutput(true, 'String');
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this.setTooltip(Blockly.Msg.TEXT_TEXT_TOOLTIP);
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}
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@ -76,9 +76,9 @@ Blockly.Blocks['text_join'] = {
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if (this.itemCount_ == 0) {
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this.appendDummyInput('EMPTY')
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote0.png', 12, 12))
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'media/quote0.png', 12, 12, '"'))
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote1.png', 12, 12));
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'media/quote1.png', 12, 12, '"'));
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}
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},
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decompose: function(workspace) {
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@ -122,9 +122,9 @@ Blockly.Blocks['text_join'] = {
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if (this.itemCount_ == 0) {
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this.appendDummyInput('EMPTY')
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote0.png', 12, 12))
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'media/quote0.png', 12, 12, '"'))
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote1.png', 12, 12));
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'media/quote1.png', 12, 12, '"'));
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}
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},
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saveConnections: function(containerBlock) {
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@ -468,10 +468,10 @@ Blockly.Blocks['text_prompt'] = {
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this.appendDummyInput()
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.appendField(dropdown, 'TYPE')
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote0.png', 12, 12))
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'media/quote0.png', 12, 12, '"'))
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.appendField(new Blockly.FieldTextInput(''), 'TEXT')
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.appendField(new Blockly.FieldImage(Blockly.pathToBlockly +
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'media/quote1.png', 12, 12));
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'media/quote1.png', 12, 12, '"'));
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this.setOutput(true, 'String');
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// Assign 'this' to a variable for use in the tooltip closure below.
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var thisBlock = this;
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@ -34,15 +34,17 @@ goog.require('goog.userAgent');
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* @param {string} src The URL of the image.
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* @param {number} width Width of the image.
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* @param {number} height Height of the image.
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* @param {?string} opt_alt Optional alt text for when block is collapsed.
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* @extends {Blockly.Field}
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* @constructor
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*/
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Blockly.FieldImage = function(src, width, height) {
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Blockly.FieldImage = function(src, width, height, opt_alt) {
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this.sourceBlock_ = null;
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// Ensure height and width are numbers. Strings are bad at math.
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this.height_ = Number(height);
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this.width_ = Number(width);
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this.size_ = {height: this.height_ + 10, width: this.width_};
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this.text_ = opt_alt || '';
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// Build the DOM.
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var offsetY = 6 - Blockly.BlockSvg.FIELD_HEIGHT;
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this.fieldGroup_ = Blockly.createSvgElement('g', {}, null);
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@ -50,7 +52,7 @@ Blockly.FieldImage = function(src, width, height) {
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{'height': this.height_ + 'px',
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'width': this.width_ + 'px',
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'y': offsetY}, this.fieldGroup_);
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this.setText(src);
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this.setValue(src);
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if (goog.userAgent.GECKO) {
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// Due to a Firefox bug which eats mouse events on image elements,
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// a transparent rectangle needs to be placed on top of the image.
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@ -69,7 +71,8 @@ goog.inherits(Blockly.FieldImage, Blockly.Field);
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* with the current values of the arguments used during construction.
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*/
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Blockly.FieldImage.prototype.clone = function() {
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return new Blockly.FieldImage(this.getText(), this.width_, this.height_);
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return new Blockly.FieldImage(this.getSrc(), this.width_, this.height_,
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this.getText());
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};
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/**
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@ -126,7 +129,7 @@ Blockly.FieldImage.prototype.setTooltip = function(newTip) {
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* @return {string} Current text.
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* @override
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*/
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Blockly.FieldImage.prototype.getText = function() {
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Blockly.FieldImage.prototype.getValue = function() {
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return this.src_;
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};
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@ -135,7 +138,7 @@ Blockly.FieldImage.prototype.getText = function() {
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* @param {?string} src New source.
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* @override
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*/
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Blockly.FieldImage.prototype.setText = function(src) {
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Blockly.FieldImage.prototype.setValue = function(src) {
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if (src === null) {
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// No change if null.
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return;
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@ -144,3 +147,16 @@ Blockly.FieldImage.prototype.setText = function(src) {
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this.imageElement_.setAttributeNS('http://www.w3.org/1999/xlink',
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'xlink:href', goog.isString(src) ? src : '');
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};
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/**
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* Set the alt text of this image.
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* @param {?string} alt New alt text.
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* @override
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*/
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Blockly.FieldImage.prototype.setText = function(alt) {
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if (alt === null) {
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// No change if null.
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return;
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}
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this.text_ = alt;
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};
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191
generators/dart.js
Normal file
191
generators/dart.js
Normal file
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@ -0,0 +1,191 @@
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/**
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* Visual Blocks Language
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*
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* Copyright 2012 Google Inc.
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* http://blockly.googlecode.com/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Helper functions for generating Dart for blocks.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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goog.provide('Blockly.Dart');
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goog.require('Blockly.CodeGenerator');
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Blockly.Dart = Blockly.Generator.get('Dart');
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/**
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* List of illegal variable names.
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* This is not intended to be a security feature. Blockly is 100% client-side,
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* so bypassing this list is trivial. This is intended to prevent users from
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* accidentally clobbering a built-in object or function.
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* @private
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*/
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Blockly.Dart.addReservedWords(
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// http://www.dartlang.org/docs/spec/latest/dart-language-specification.pdf
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// Section 16.1.1
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'assert,break,case,catch,class,const,continue,default,do,else,extends,false,final,finally,for,if,in,is,new,null,return,super,switch,this,throw,true,try,var,void,while,with,' +
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// http://api.dartlang.org/dart_core.html
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'Collection,Comparable,Completer,Date,double,Function,Future,Hashable,HashMap,HashSet,int,InvocationMirror,Iterable,Iterator,LinkedHashMap,List,Map,Match,num,Options,Pattern,Queue,RegExp,Sequence,SequenceCollection,Set,Stopwatch,String,StringBuffer,Strings,Type,bool,DoubleLinkedQueue,DoubleLinkedQueueEntry,Duration,Expando,Expect,Futures,Object,SequenceIterator,SequenceList,Comparator,AbstractClassInstantiationError,ArgumentError,AssertionError,CastError,Error,Exception,ExpectException,FallThroughError,FormatException,FutureAlreadyCompleteException,FutureNotCompleteException,FutureUnhandledException,IllegalJSRegExpException,IntegerDivisionByZeroException,NoSuchMethodError,NullThrownError,OutOfMemoryError,RangeError,RuntimeError,StackOverflowError,StateError,TypeError,UnimplementedError,UnsupportedError');
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/**
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* Order of operation ENUMs.
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* http://www.dartlang.org/docs/dart-up-and-running/ch02.html#operator_table
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*/
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Blockly.Dart.ORDER_ATOMIC = 0; // 0 "" ...
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Blockly.Dart.ORDER_UNARY_POSTFIX = 1; // expr++ expr-- () [] .
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Blockly.Dart.ORDER_UNARY_PREFIX = 2; // -expr !expr ~expr ++expr --expr
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Blockly.Dart.ORDER_MULTIPLICATIVE = 3; // * / % ~/
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Blockly.Dart.ORDER_ADDITIVE = 4; // + -
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Blockly.Dart.ORDER_SHIFT = 5; // << >>
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Blockly.Dart.ORDER_RELATIONAL = 6; // is is! >= > <= <
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Blockly.Dart.ORDER_EQUALITY = 7; // == != === !==
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Blockly.Dart.ORDER_BITWISE_AND = 8; // &
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Blockly.Dart.ORDER_BITWISE_XOR = 9; // ^
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Blockly.Dart.ORDER_BITWISE_OR = 10; // |
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Blockly.Dart.ORDER_LOGICAL_AND = 11; // &&
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Blockly.Dart.ORDER_LOGICAL_OR = 12; // ||
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Blockly.Dart.ORDER_CONDITIONAL = 13; // expr ? expr : expr
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Blockly.Dart.ORDER_ASSIGNMENT = 14; // = *= /= ~/= %= += -= <<= >>= &= ^= |=
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Blockly.Dart.ORDER_NONE = 99; // (...)
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/**
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* Arbitrary code to inject into locations that risk causing infinite loops.
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* Any instances of '%1' will be replaced by the block ID that failed.
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* E.g. ' checkTimeout(%1);\n'
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* @type ?string
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*/
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Blockly.Dart.INFINITE_LOOP_TRAP = null;
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/**
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* Initialise the database of variable names.
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*/
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Blockly.Dart.init = function() {
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// Create a dictionary of definitions to be printed before the code.
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Blockly.Dart.definitions_ = {};
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if (Blockly.Variables) {
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if (!Blockly.Dart.variableDB_) {
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Blockly.Dart.variableDB_ =
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new Blockly.Names(Blockly.Dart.RESERVED_WORDS_);
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} else {
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Blockly.Dart.variableDB_.reset();
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}
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var defvars = [];
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var variables = Blockly.Variables.allVariables();
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for (var x = 0; x < variables.length; x++) {
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defvars[x] = 'var ' +
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Blockly.Dart.variableDB_.getName(variables[x],
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Blockly.Variables.NAME_TYPE) + ';';
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}
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Blockly.Dart.definitions_['variables'] = defvars.join('\n');
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}
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};
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/**
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* Prepend the generated code with the variable definitions.
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* @param {string} code Generated code.
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* @return {string} Completed code.
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*/
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Blockly.Dart.finish = function(code) {
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// Indent every line.
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code = ' ' + code.replace(/\n/g, '\n ');
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code = code.replace(/\n\s+$/, '\n');
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code = 'main() {\n' + code + '}';
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// Convert the definitions dictionary into a list.
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var imports = [];
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var definitions = [];
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for (var name in Blockly.Dart.definitions_) {
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var def = Blockly.Dart.definitions_[name];
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if (def.match(/^import\s/)) {
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imports.push(def);
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} else {
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definitions.push(def);
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}
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}
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var allDefs = imports.join('\n') + '\n\n' + definitions.join('\n\n');
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return allDefs.replace(/\n\n+/g, '\n\n').replace(/\n*$/, '\n\n\n') + code;
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};
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/**
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* Naked values are top-level blocks with outputs that aren't plugged into
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* anything. A trailing semicolon is needed to make this legal.
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* @param {string} line Line of generated code.
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* @return {string} Legal line of code.
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*/
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Blockly.Dart.scrubNakedValue = function(line) {
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return line + ';\n';
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};
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/**
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* Encode a string as a properly escaped Dart string, complete with quotes.
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* @param {string} string Text to encode.
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* @return {string} Dart string.
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* @private
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*/
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Blockly.Dart.quote_ = function(string) {
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// TODO: This is a quick hack. Replace with goog.string.quote
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string = string.replace(/\\/g, '\\\\')
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.replace(/\n/g, '\\\n')
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.replace(/\$/g, '\\$')
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.replace(/'/g, '\\\'');
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return '\'' + string + '\'';
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};
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/**
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* Common tasks for generating Dart from blocks.
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* Handles comments for the specified block and any connected value blocks.
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* Calls any statements following this block.
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* @param {!Blockly.Block} block The current block.
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* @param {string} code The Dart code created for this block.
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* @return {string} Dart code with comments and subsequent blocks added.
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* @this {Blockly.CodeGenerator}
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* @private
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*/
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Blockly.Dart.scrub_ = function(block, code) {
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if (code === null) {
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// Block has handled code generation itself.
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return '';
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}
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var commentCode = '';
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// Only collect comments for blocks that aren't inline.
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if (!block.outputConnection || !block.outputConnection.targetConnection) {
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// Collect comment for this block.
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var comment = block.getCommentText();
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if (comment) {
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commentCode += Blockly.Generator.prefixLines(comment, '// ') + '\n';
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}
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// Collect comments for all value arguments.
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// Don't collect comments for nested statements.
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for (var x = 0; x < block.inputList.length; x++) {
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if (block.inputList[x].type == Blockly.INPUT_VALUE) {
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var childBlock = block.inputList[x].connection.targetBlock();
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if (childBlock) {
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var comment = Blockly.Generator.allNestedComments(childBlock);
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if (comment) {
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commentCode += Blockly.Generator.prefixLines(comment, '// ');
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}
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}
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}
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}
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}
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var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
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var nextCode = this.blockToCode(nextBlock);
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return commentCode + code + nextCode;
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};
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119
generators/dart/colour.js
Normal file
119
generators/dart/colour.js
Normal file
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@ -0,0 +1,119 @@
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/**
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* Visual Blocks Language
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*
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* Copyright 2012 Google Inc.
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* http://blockly.googlecode.com/
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||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
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||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
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||||
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/**
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||||
* @fileoverview Generating Dart for colour blocks.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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goog.provide('Blockly.Dart.colour');
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goog.require('Blockly.Dart');
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Blockly.Dart.addReservedWords('Math');
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Blockly.Dart.colour_picker = function() {
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// Colour picker.
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var code = '\'' + this.getTitleValue('COLOUR') + '\'';
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return [code, Blockly.Dart.ORDER_ATOMIC];
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};
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Blockly.Dart.colour_rgb = function() {
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// Compose a colour from RGB components.
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var red = Blockly.Dart.valueToCode(this, 'RED',
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Blockly.Dart.ORDER_NONE) || 0;
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var green = Blockly.Dart.valueToCode(this, 'GREEN',
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Blockly.Dart.ORDER_NONE) || 0;
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var blue = Blockly.Dart.valueToCode(this, 'BLUE',
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Blockly.Dart.ORDER_NONE) || 0;
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||||
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if (!Blockly.Dart.definitions_['colour_rgb']) {
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Blockly.Dart.definitions_['import_dart_math'] =
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||||
'import \'dart:math\' as Math;';
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||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
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||||
'colour_rgb', Blockly.Generator.NAME_TYPE);
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||||
Blockly.Dart.colour_rgb.functionName = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '(num r, num g, num b) {');
|
||||
func.push(' num rn = (Math.max(Math.min(r, 1), 0) * 255).round();');
|
||||
func.push(' String rs = rn.toInt().toRadixString(16);');
|
||||
func.push(' rs = \'0$rs\';');
|
||||
func.push(' rs = rs.substring(rs.length - 2);');
|
||||
func.push(' num gn = (Math.max(Math.min(g, 1), 0) * 255).round();');
|
||||
func.push(' String gs = gn.toInt().toRadixString(16);');
|
||||
func.push(' gs = \'0$gs\';');
|
||||
func.push(' gs = gs.substring(gs.length - 2);');
|
||||
func.push(' num bn = (Math.max(Math.min(b, 1), 0) * 255).round();');
|
||||
func.push(' String bs = bn.toInt().toRadixString(16);');
|
||||
func.push(' bs = \'0$bs\';');
|
||||
func.push(' bs = bs.substring(bs.length - 2);');
|
||||
func.push(' return \'#$rs$gs$bs\';');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['colour_rgb'] = func.join('\n');
|
||||
}
|
||||
var code = Blockly.Dart.colour_rgb.functionName +
|
||||
'(' + red + ', ' + green + ', ' + blue + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.colour_blend = function() {
|
||||
// Blend two colours together.
|
||||
var c1 = Blockly.Dart.valueToCode(this, 'COLOUR1',
|
||||
Blockly.Dart.ORDER_NONE) || '\'#000000\'';
|
||||
var c2 = Blockly.Dart.valueToCode(this, 'COLOUR2',
|
||||
Blockly.Dart.ORDER_NONE) || '\'#000000\'';
|
||||
var ratio = Blockly.Dart.valueToCode(this, 'RATIO',
|
||||
Blockly.Dart.ORDER_NONE) || 0.5;
|
||||
|
||||
if (!Blockly.Dart.definitions_['colour_blend']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'colour_blend', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.colour_blend.functionName = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '(String c1, String c2, num ratio) {');
|
||||
func.push(' ratio = Math.max(Math.min(ratio, 1), 0);');
|
||||
func.push(' int r1 = int.parse(\'0x${c1.substring(1, 3)}\');');
|
||||
func.push(' int g1 = int.parse(\'0x${c1.substring(3, 5)}\');');
|
||||
func.push(' int b1 = int.parse(\'0x${c1.substring(5, 7)}\');');
|
||||
func.push(' int r2 = int.parse(\'0x${c2.substring(1, 3)}\');');
|
||||
func.push(' int g2 = int.parse(\'0x${c2.substring(3, 5)}\');');
|
||||
func.push(' int b2 = int.parse(\'0x${c2.substring(5, 7)}\');');
|
||||
func.push(' num rn = (r1 * (1 - ratio) + r2 * ratio).round();');
|
||||
func.push(' String rs = rn.toInt().toRadixString(16);');
|
||||
func.push(' num gn = (g1 * (1 - ratio) + g2 * ratio).round();');
|
||||
func.push(' String gs = gn.toInt().toRadixString(16);');
|
||||
func.push(' num bn = (b1 * (1 - ratio) + b2 * ratio).round();');
|
||||
func.push(' String bs = bn.toInt().toRadixString(16);');
|
||||
func.push(' rs = \'0$rs\';');
|
||||
func.push(' rs = rs.substring(rs.length - 2);');
|
||||
func.push(' gs = \'0$gs\';');
|
||||
func.push(' gs = gs.substring(gs.length - 2);');
|
||||
func.push(' bs = \'0$bs\';');
|
||||
func.push(' bs = bs.substring(bs.length - 2);');
|
||||
func.push(' return \'#$rs$gs$bs\';');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['colour_blend'] = func.join('\n');
|
||||
}
|
||||
var code = Blockly.Dart.colour_blend.functionName +
|
||||
'(' + c1 + ', ' + c2 + ', ' + ratio + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
290
generators/dart/lists.js
Normal file
290
generators/dart/lists.js
Normal file
|
|
@ -0,0 +1,290 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for list blocks.
|
||||
* @author fraser@google.com (Neil Fraser)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.lists');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.addReservedWords('Math');
|
||||
|
||||
Blockly.Dart.lists_create_empty = function() {
|
||||
// Create an empty list.
|
||||
return ['[]', Blockly.Dart.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_create_with = function() {
|
||||
// Create a list with any number of elements of any type.
|
||||
var code = new Array(this.itemCount_);
|
||||
for (var n = 0; n < this.itemCount_; n++) {
|
||||
code[n] = Blockly.Dart.valueToCode(this, 'ADD' + n,
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
}
|
||||
var code = '[' + code.join(', ') + ']';
|
||||
return [code, Blockly.Dart.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_repeat = function() {
|
||||
// Create a list with one element repeated.
|
||||
if (!Blockly.Dart.definitions_['lists_repeat']) {
|
||||
// Function adapted from Closure's goog.array.repeat.
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName('lists_repeat',
|
||||
Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.lists_repeat.repeat = functionName;
|
||||
var func = [];
|
||||
func.push('List ' + functionName + '(value, n) {');
|
||||
func.push(' var array = new List(n);');
|
||||
func.push(' for (int i = 0; i < n; i++) {');
|
||||
func.push(' array[i] = value;');
|
||||
func.push(' }');
|
||||
func.push(' return array;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['lists_repeat'] = func.join('\n');
|
||||
}
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'ITEM',
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_NONE) || '0';
|
||||
var code = Blockly.Dart.lists_repeat.repeat +
|
||||
'(' + argument0 + ', ' + argument1 + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_length = function() {
|
||||
// List length.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
|
||||
return [argument0 + '.length', Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_isEmpty = function() {
|
||||
// Is the list empty?
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
|
||||
return [argument0 + '.isEmpty', Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_indexOf = function() {
|
||||
// Find an item in the list.
|
||||
var operator = this.getTitleValue('END') == 'FIRST' ?
|
||||
'indexOf' : 'lastIndexOf';
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'FIND',
|
||||
Blockly.Dart.ORDER_NONE) || '\'\'';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
|
||||
var code = argument1 + '.' + operator + '(' + argument0 + ') + 1';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_getIndex = function() {
|
||||
// Get element at index.
|
||||
// Note: Until January 2013 this block did not have MODE or WHERE inputs.
|
||||
var mode = this.getTitleValue('MODE') || 'GET';
|
||||
var where = this.getTitleValue('WHERE') || 'FROM_START';
|
||||
var at = Blockly.Dart.valueToCode(this, 'AT',
|
||||
Blockly.Dart.ORDER_UNARY_PREFIX) || '1';
|
||||
var list = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
|
||||
|
||||
if (where == 'FIRST') {
|
||||
if (mode == 'GET') {
|
||||
var code = list + '.first';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'GET_REMOVE') {
|
||||
var code = list + '.removeAt(0)';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'REMOVE') {
|
||||
return list + '.removeAt(0);\n';
|
||||
}
|
||||
} else if (where == 'LAST') {
|
||||
if (mode == 'GET') {
|
||||
var code = list + '.last';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'GET_REMOVE') {
|
||||
var code = list + '.removeLast()';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'REMOVE') {
|
||||
return list + '.removeLast();\n';
|
||||
}
|
||||
} else if (where == 'FROM_START') {
|
||||
// Blockly uses one-based indicies.
|
||||
if (at.match(/^-?\d+$/)) {
|
||||
// If the index is a naked number, decrement it right now.
|
||||
at = parseInt(at, 10) - 1;
|
||||
} else {
|
||||
// If the index is dynamic, decrement it in code.
|
||||
at += ' - 1';
|
||||
}
|
||||
if (mode == 'GET') {
|
||||
var code = list + '[' + at + ']';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'GET_REMOVE') {
|
||||
var code = list + '.removeAt(' + at + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'REMOVE') {
|
||||
return list + '.removeAt(' + at + ');\n';
|
||||
}
|
||||
} else if (where == 'FROM_END') {
|
||||
if (mode == 'GET') {
|
||||
if (!Blockly.Dart.definitions_['lists_get_from_end']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'lists_get_from_end', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.lists_getIndex.lists_get_from_end = functionName;
|
||||
var func = [];
|
||||
func.push('dynamic ' + functionName + '(List myList, num x) {');
|
||||
func.push(' x = myList.length - x;');
|
||||
func.push(' return myList.removeAt(x);');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['lists_get_from_end'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.lists_getIndex.lists_get_from_end +
|
||||
'(' + list + ', ' + at + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'GET_REMOVE' || mode == 'REMOVE') {
|
||||
if (!Blockly.Dart.definitions_['lists_remove_from_end']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'lists_remove_from_end', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.lists_getIndex.lists_remove_from_end = functionName;
|
||||
var func = [];
|
||||
func.push('dynamic ' + functionName + '(List myList, num x) {');
|
||||
func.push(' x = myList.length - x;');
|
||||
func.push(' return myList.removeAt(x);');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['lists_remove_from_end'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.lists_getIndex.lists_remove_from_end +
|
||||
'(' + list + ', ' + at + ')';
|
||||
if (mode == 'GET_REMOVE') {
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'REMOVE') {
|
||||
return code + ';\n';
|
||||
}
|
||||
}
|
||||
} else if (where == 'RANDOM') {
|
||||
if (!Blockly.Dart.definitions_['lists_get_random_item']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'lists_get_random_item', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.lists_getIndex.random = functionName;
|
||||
var func = [];
|
||||
func.push('dynamic ' + functionName + '(List myList, bool remove) {');
|
||||
func.push(' int x = new Math.Random().nextInt(myList.length);');
|
||||
func.push(' if (remove) {');
|
||||
func.push(' return myList.removeAt(x);');
|
||||
func.push(' } else {');
|
||||
func.push(' return myList[x];');
|
||||
func.push(' }');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['lists_get_random_item'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.lists_getIndex.random +
|
||||
'(' + list + ', ' + (mode != 'GET') + ')';
|
||||
if (mode == 'GET' || mode == 'GET_REMOVE') {
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else if (mode == 'REMOVE') {
|
||||
return code + ';\n';
|
||||
}
|
||||
}
|
||||
throw 'Unhandled combination (lists_getIndex).';
|
||||
};
|
||||
|
||||
Blockly.Dart.lists_setIndex = function() {
|
||||
// Set element at index.
|
||||
// Note: Until February 2013 this block did not have MODE or WHERE inputs.
|
||||
var list = Blockly.Dart.valueToCode(this, 'LIST',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
|
||||
var mode = this.getTitleValue('MODE') || 'GET';
|
||||
var where = this.getTitleValue('WHERE') || 'FROM_START';
|
||||
var at = Blockly.Dart.valueToCode(this, 'AT',
|
||||
Blockly.Dart.ORDER_ADDITIVE) || '1';
|
||||
var value = Blockly.Dart.valueToCode(this, 'TO',
|
||||
Blockly.Dart.ORDER_ASSIGNMENT) || 'null';
|
||||
// Cache non-trivial values to variables to prevent repeated look-ups.
|
||||
// Closure, which accesses and modifies 'list'.
|
||||
function cacheList() {
|
||||
if (list.match(/^\w+$/)) {
|
||||
return '';
|
||||
}
|
||||
var listVar = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'tmp_list', Blockly.Variables.NAME_TYPE);
|
||||
var code = 'List ' + listVar + ' = ' + list + ';\n';
|
||||
list = listVar;
|
||||
return code;
|
||||
}
|
||||
if (where == 'FIRST') {
|
||||
if (mode == 'SET') {
|
||||
return list + '[0] = ' + value + ';\n';
|
||||
} else if (mode == 'INSERT') {
|
||||
return list + '.insertRange(0, 1, ' + value + ');\n';
|
||||
}
|
||||
} else if (where == 'LAST') {
|
||||
if (mode == 'SET') {
|
||||
var code = cacheList();
|
||||
code += list + '[' + list + '.length - 1] = ' + value + ';\n';
|
||||
return code;
|
||||
} else if (mode == 'INSERT') {
|
||||
return list + '.addLast(' + value + ');\n';
|
||||
}
|
||||
} else if (where == 'FROM_START') {
|
||||
// Blockly uses one-based indicies.
|
||||
if (at.match(/^\d+$/)) {
|
||||
// If the index is a naked number, decrement it right now.
|
||||
at = parseInt(at, 10) - 1;
|
||||
} else {
|
||||
// If the index is dynamic, decrement it in code.
|
||||
at += ' - 1';
|
||||
}
|
||||
if (mode == 'SET') {
|
||||
return list + '[' + at + '] = ' + value + ';\n';
|
||||
} else if (mode == 'INSERT') {
|
||||
return list + '.insertRange(' + at + ', 1, ' + value + ');\n';
|
||||
}
|
||||
} else if (where == 'FROM_END') {
|
||||
var code = cacheList();
|
||||
if (mode == 'SET') {
|
||||
code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
|
||||
return code;
|
||||
} else if (mode == 'INSERT') {
|
||||
code += list + '.insertRange(' + list + '.length - ' + at + ', 1, ' +
|
||||
value + ');\n';
|
||||
return code;
|
||||
}
|
||||
} else if (where == 'RANDOM') {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var code = cacheList();
|
||||
var xVar = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'tmp_x', Blockly.Variables.NAME_TYPE);
|
||||
code += 'int ' + xVar + ' = new Math.Random().nextInt(' + list + '.length);';
|
||||
if (mode == 'SET') {
|
||||
code += list + '[' + xVar + '] = ' + value + ';\n';
|
||||
return code;
|
||||
} else if (mode == 'INSERT') {
|
||||
code += list + '.insertRange(' + xVar + ', 1, ' + value + ');\n';
|
||||
return code;
|
||||
}
|
||||
}
|
||||
throw 'Unhandled combination (lists_setIndex).';
|
||||
};
|
||||
91
generators/dart/logic.js
Normal file
91
generators/dart/logic.js
Normal file
|
|
@ -0,0 +1,91 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for logic blocks.
|
||||
* @author q.neutron@gmail.com (Quynh Neutron)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.logic');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.logic_compare = function() {
|
||||
// Comparison operator.
|
||||
var mode = this.getTitleValue('OP');
|
||||
var operator = Blockly.Dart.logic_compare.OPERATORS[mode];
|
||||
var order = (operator == '==' || operator == '!=') ?
|
||||
Blockly.Dart.ORDER_EQUALITY : Blockly.Dart.ORDER_RELATIONAL;
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'A', order) || '0';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'B', order) || '0';
|
||||
var code = argument0 + ' ' + operator + ' ' + argument1;
|
||||
return [code, order];
|
||||
};
|
||||
|
||||
Blockly.Dart.logic_compare.OPERATORS = {
|
||||
EQ: '==',
|
||||
NEQ: '!=',
|
||||
LT: '<',
|
||||
LTE: '<=',
|
||||
GT: '>',
|
||||
GTE: '>='
|
||||
};
|
||||
|
||||
Blockly.Dart.logic_operation = function() {
|
||||
// Operations 'and', 'or'.
|
||||
var operator = (this.getTitleValue('OP') == 'AND') ? '&&' : '||';
|
||||
var order = (operator == '&&') ? Blockly.Dart.ORDER_LOGICAL_AND :
|
||||
Blockly.Dart.ORDER_LOGICAL_OR;
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'A', order) || 'false';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'B', order) || 'false';
|
||||
var code = argument0 + ' ' + operator + ' ' + argument1;
|
||||
return [code, order];
|
||||
};
|
||||
|
||||
Blockly.Dart.logic_negate = function() {
|
||||
// Negation.
|
||||
var order = Blockly.Dart.ORDER_UNARY_PREFIX;
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'BOOL', order) || 'false';
|
||||
var code = '!' + argument0;
|
||||
return [code, order];
|
||||
};
|
||||
|
||||
Blockly.Dart.logic_boolean = function() {
|
||||
// Boolean values true and false.
|
||||
var code = (this.getTitleValue('BOOL') == 'TRUE') ? 'true' : 'false';
|
||||
return [code, Blockly.Dart.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Dart.logic_null = function() {
|
||||
// Null data type.
|
||||
return ['null', Blockly.Dart.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Dart.logic_ternary = function() {
|
||||
// Ternary operator.
|
||||
var value_if = Blockly.Dart.valueToCode(this, 'IF',
|
||||
Blockly.Dart.ORDER_CONDITIONAL) || 'false';
|
||||
var value_then = Blockly.Dart.valueToCode(this, 'THEN',
|
||||
Blockly.Dart.ORDER_CONDITIONAL) || 'null';
|
||||
var value_else = Blockly.Dart.valueToCode(this, 'ELSE',
|
||||
Blockly.Dart.ORDER_CONDITIONAL) || 'null';
|
||||
var code = value_if + ' ? ' + value_then + ' : ' + value_else
|
||||
return [code, Blockly.Dart.ORDER_CONDITIONAL];
|
||||
};
|
||||
158
generators/dart/loops.js
Normal file
158
generators/dart/loops.js
Normal file
|
|
@ -0,0 +1,158 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for control blocks.
|
||||
* @author fraser@google.com (Neil Fraser)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.control');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.controls_if = function() {
|
||||
// If/elseif/else condition.
|
||||
var n = 0;
|
||||
var argument = Blockly.Dart.valueToCode(this, 'IF' + n,
|
||||
Blockly.Dart.ORDER_NONE) || 'false';
|
||||
var branch = Blockly.Dart.statementToCode(this, 'DO' + n);
|
||||
var code = 'if (' + argument + ') {\n' + branch + '}';
|
||||
for (n = 1; n <= this.elseifCount_; n++) {
|
||||
argument = Blockly.Dart.valueToCode(this, 'IF' + n,
|
||||
Blockly.Dart.ORDER_NONE) || 'false';
|
||||
branch = Blockly.Dart.statementToCode(this, 'DO' + n);
|
||||
code += ' else if (' + argument + ') {\n' + branch + '}';
|
||||
}
|
||||
if (this.elseCount_) {
|
||||
branch = Blockly.Dart.statementToCode(this, 'ELSE');
|
||||
code += ' else {\n' + branch + '}';
|
||||
}
|
||||
return code + '\n';
|
||||
};
|
||||
|
||||
Blockly.Dart.controls_repeat = function() {
|
||||
// Repeat n times.
|
||||
var repeats = Number(this.getTitleValue('TIMES'));
|
||||
var branch = Blockly.Dart.statementToCode(this, 'DO');
|
||||
if (Blockly.Dart.INFINITE_LOOP_TRAP) {
|
||||
branch = Blockly.Dart.INFINITE_LOOP_TRAP.replace(/%1/g,
|
||||
'\'' + this.id + '\'') + branch;
|
||||
}
|
||||
var loopVar = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'count', Blockly.Variables.NAME_TYPE);
|
||||
var code = 'for (int ' + loopVar + ' = 0; ' +
|
||||
loopVar + ' < ' + repeats + '; ' +
|
||||
loopVar + '++) {\n' +
|
||||
branch + '}\n';
|
||||
return code;
|
||||
};
|
||||
|
||||
Blockly.Dart.controls_whileUntil = function() {
|
||||
// Do while/until loop.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'BOOL',
|
||||
Blockly.Dart.ORDER_NONE) || 'false';
|
||||
var branch = Blockly.Dart.statementToCode(this, 'DO');
|
||||
if (Blockly.Dart.INFINITE_LOOP_TRAP) {
|
||||
branch = Blockly.Dart.INFINITE_LOOP_TRAP.replace(/%1/g,
|
||||
'\'' + this.id + '\'') + branch;
|
||||
}
|
||||
if (this.getTitleValue('MODE') == 'UNTIL') {
|
||||
if (!argument0.match(/^\w+$/)) {
|
||||
argument0 = '(' + argument0 + ')';
|
||||
}
|
||||
argument0 = '!' + argument0;
|
||||
}
|
||||
return 'while (' + argument0 + ') {\n' + branch + '}\n';
|
||||
};
|
||||
|
||||
Blockly.Dart.controls_for = function() {
|
||||
// For loop.
|
||||
var variable0 = Blockly.Dart.variableDB_.getName(
|
||||
this.getTitleValue('VAR'), Blockly.Variables.NAME_TYPE);
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'FROM',
|
||||
Blockly.Dart.ORDER_ASSIGNMENT) || '0';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'TO',
|
||||
Blockly.Dart.ORDER_ASSIGNMENT) || '0';
|
||||
var branch = Blockly.Dart.statementToCode(this, 'DO');
|
||||
if (Blockly.Dart.INFINITE_LOOP_TRAP) {
|
||||
branch = Blockly.Dart.INFINITE_LOOP_TRAP.replace(/%1/g,
|
||||
'\'' + this.id + '\'') + branch;
|
||||
}
|
||||
var code;
|
||||
if (argument0.match(/^-?\d+(\.\d+)?$/) &&
|
||||
argument1.match(/^-?\d+(\.\d+)?$/)) {
|
||||
// Both arguments are simple numbers.
|
||||
var up = parseFloat(argument0) <= parseFloat(argument1);
|
||||
code = 'for (num ' + variable0 + ' = ' + argument0 + '; ' +
|
||||
variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; ' +
|
||||
variable0 + (up ? '++' : '--') + ') {\n' +
|
||||
branch + '}\n';
|
||||
} else {
|
||||
code = '';
|
||||
// Cache non-trivial values to variables to prevent repeated look-ups.
|
||||
var startVar = argument0;
|
||||
if (!argument0.match(/^\w+$/) && !argument0.match(/^-?\d+(\.\d+)?$/)) {
|
||||
var startVar = Blockly.Dart.variableDB_.getDistinctName(
|
||||
variable0 + '_start', Blockly.Variables.NAME_TYPE);
|
||||
code += 'var ' + startVar + ' = ' + argument0 + ';\n';
|
||||
}
|
||||
var endVar = argument1;
|
||||
if (!argument1.match(/^\w+$/) && !argument1.match(/^-?\d+(\.\d+)?$/)) {
|
||||
var endVar = Blockly.Dart.variableDB_.getDistinctName(
|
||||
variable0 + '_end', Blockly.Variables.NAME_TYPE);
|
||||
code += 'var ' + endVar + ' = ' + argument1 + ';\n';
|
||||
}
|
||||
code += 'for (' + variable0 + ' = ' + startVar + ';\n' +
|
||||
' (' + startVar + ' <= ' + endVar + ') ? ' +
|
||||
variable0 + ' <= ' + endVar + ' : ' +
|
||||
variable0 + ' >= ' + endVar + ';\n' +
|
||||
' ' + variable0 + ' += (' + startVar + ' <= ' + endVar +
|
||||
') ? 1 : -1) {\n' +
|
||||
branch + '}\n';
|
||||
}
|
||||
return code;
|
||||
};
|
||||
|
||||
Blockly.Dart.controls_forEach = function() {
|
||||
// For each loop.
|
||||
var variable0 = Blockly.Dart.variableDB_.getName(
|
||||
this.getTitleValue('VAR'), Blockly.Variables.NAME_TYPE);
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'LIST',
|
||||
Blockly.Dart.ORDER_ASSIGNMENT) || '[]';
|
||||
var branch = Blockly.Dart.statementToCode(this, 'DO');
|
||||
if (Blockly.Dart.INFINITE_LOOP_TRAP) {
|
||||
branch = Blockly.Dart.INFINITE_LOOP_TRAP.replace(/%1/g,
|
||||
'\'' + this.id + '\'') + branch;
|
||||
}
|
||||
var code = 'for (var ' + variable0 + ' in ' + argument0 + ') {\n' +
|
||||
branch + '}\n';
|
||||
return code;
|
||||
};
|
||||
|
||||
Blockly.Dart.controls_flow_statements = function() {
|
||||
// Flow statements: continue, break.
|
||||
switch (this.getTitleValue('FLOW')) {
|
||||
case 'BREAK':
|
||||
return 'break;\n';
|
||||
case 'CONTINUE':
|
||||
return 'continue;\n';
|
||||
}
|
||||
throw 'Unknown flow statement.';
|
||||
};
|
||||
516
generators/dart/math.js
Normal file
516
generators/dart/math.js
Normal file
|
|
@ -0,0 +1,516 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for math blocks.
|
||||
* @author q.neutron@gmail.com (Quynh Neutron)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.math');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.addReservedWords('Math');
|
||||
|
||||
Blockly.Dart.math_number = function() {
|
||||
// Numeric value.
|
||||
var code = window.parseFloat(this.getTitleValue('NUM'));
|
||||
// -4.abs() returns -4 in Dart due to strange order of operation choices.
|
||||
// -4 is actually an operator and a number. Reflect this in the order.
|
||||
var order = code < 0 ?
|
||||
Blockly.Dart.ORDER_UNARY_PREFIX : Blockly.Dart.ORDER_ATOMIC;
|
||||
return [code, order];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_arithmetic = function() {
|
||||
// Basic arithmetic operators, and power.
|
||||
var mode = this.getTitleValue('OP');
|
||||
var tuple = Blockly.Dart.math_arithmetic.OPERATORS[mode];
|
||||
var operator = tuple[0];
|
||||
var order = tuple[1];
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'A', order) || '0';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'B', order) || '0';
|
||||
var code;
|
||||
// Power in Dart requires a special case since it has no operator.
|
||||
if (!operator) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
}
|
||||
code = argument0 + operator + argument1;
|
||||
return [code, order];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_arithmetic.OPERATORS = {
|
||||
ADD: [' + ', Blockly.Dart.ORDER_ADDITIVE],
|
||||
MINUS: [' - ', Blockly.Dart.ORDER_ADDITIVE],
|
||||
MULTIPLY: [' * ', Blockly.Dart.ORDER_MULTIPLICATIVE],
|
||||
DIVIDE: [' / ', Blockly.Dart.ORDER_MULTIPLICATIVE],
|
||||
POWER: [null, Blockly.Dart.ORDER_NONE] // Handle power separately.
|
||||
};
|
||||
|
||||
Blockly.Dart.math_single = function() {
|
||||
// Math operators with single operand.
|
||||
var operator = this.getTitleValue('OP');
|
||||
var code;
|
||||
var arg;
|
||||
if (operator == 'NEG') {
|
||||
// Negation is a special case given its different operator precedence.
|
||||
arg = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_UNARY_PREFIX) || '0';
|
||||
if (arg[0] == '-') {
|
||||
// --3 is not legal in Dart.
|
||||
arg = ' ' + arg;
|
||||
}
|
||||
code = '-' + arg;
|
||||
return [code, Blockly.Dart.ORDER_UNARY_PREFIX];
|
||||
}
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
if (operator == 'ABS' || operator.substring(0, 5) == 'ROUND') {
|
||||
arg = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '0';
|
||||
} else if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
|
||||
arg = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_MULTIPLICATIVE) || '0';
|
||||
} else {
|
||||
arg = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_NONE) || '0';
|
||||
}
|
||||
// First, handle cases which generate values that don't need parentheses.
|
||||
switch (operator) {
|
||||
case 'ABS':
|
||||
code = arg + '.abs()';
|
||||
break;
|
||||
case 'ROOT':
|
||||
code = 'Math.sqrt(' + arg + ')';
|
||||
break;
|
||||
case 'LN':
|
||||
code = 'Math.log(' + arg + ')';
|
||||
break;
|
||||
case 'EXP':
|
||||
code = 'Math.exp(' + arg + ')';
|
||||
break;
|
||||
case 'POW10':
|
||||
code = 'Math.pow(10,' + arg + ')';
|
||||
break;
|
||||
case 'ROUND':
|
||||
code = arg + '.round()';
|
||||
break;
|
||||
case 'ROUNDUP':
|
||||
code = arg + '.ceil()';
|
||||
break;
|
||||
case 'ROUNDDOWN':
|
||||
code = arg + '.floor()';
|
||||
break;
|
||||
case 'SIN':
|
||||
code = 'Math.sin(' + arg + ' / 180 * Math.PI)';
|
||||
break;
|
||||
case 'COS':
|
||||
code = 'Math.cos(' + arg + ' / 180 * Math.PI)';
|
||||
break;
|
||||
case 'TAN':
|
||||
code = 'Math.tan(' + arg + ' / 180 * Math.PI)';
|
||||
break;
|
||||
}
|
||||
if (code) {
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
}
|
||||
// Second, handle cases which generate values that may need parentheses.
|
||||
switch (operator) {
|
||||
case 'LOG10':
|
||||
code = 'Math.log(' + arg + ') / Math.log(10)';
|
||||
break;
|
||||
case 'ASIN':
|
||||
code = 'Math.asin(' + arg + ') / Math.PI * 180';
|
||||
break;
|
||||
case 'ACOS':
|
||||
code = 'Math.acos(' + arg + ') / Math.PI * 180';
|
||||
break;
|
||||
case 'ATAN':
|
||||
code = 'Math.atan(' + arg + ') / Math.PI * 180';
|
||||
break;
|
||||
default:
|
||||
throw 'Unknown math operator: ' + operator;
|
||||
}
|
||||
return [code, Blockly.Dart.ORDER_MULTIPLICATIVE];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_constant = function() {
|
||||
// Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
|
||||
var constant = this.getTitleValue('CONSTANT');
|
||||
if (constant != 'INFINITY') {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
}
|
||||
return Blockly.Dart.math_constant.CONSTANTS[constant];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_constant.CONSTANTS = {
|
||||
PI: ['Math.PI', Blockly.Dart.ORDER_UNARY_POSTFIX],
|
||||
E: ['Math.E', Blockly.Dart.ORDER_UNARY_POSTFIX],
|
||||
GOLDEN_RATIO: ['(1 + Math.sqrt(5)) / 2', Blockly.Dart.ORDER_MULTIPLICATIVE],
|
||||
SQRT2: ['Math.SQRT2', Blockly.Dart.ORDER_UNARY_POSTFIX],
|
||||
SQRT1_2: ['Math.SQRT1_2', Blockly.Dart.ORDER_UNARY_POSTFIX],
|
||||
INFINITY: ['double.INFINITY', Blockly.Dart.ORDER_ATOMIC]
|
||||
};
|
||||
|
||||
Blockly.Dart.math_number_property = function() {
|
||||
// Check if a number is even, odd, prime, whole, positive, or negative
|
||||
// or if it is divisible by certain number. Returns true or false.
|
||||
var number_to_check = Blockly.Dart.valueToCode(this, 'NUMBER_TO_CHECK',
|
||||
Blockly.Dart.ORDER_MULTIPLICATIVE);
|
||||
if (!number_to_check) {
|
||||
return ['false', Blockly.Python.ORDER_ATOMIC];
|
||||
}
|
||||
var dropdown_property = this.getTitleValue('PROPERTY');
|
||||
var code;
|
||||
if (dropdown_property == 'PRIME') {
|
||||
// Prime is a special case as it is not a one-liner test.
|
||||
if (!Blockly.Dart.definitions_['isPrime']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'isPrime', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.logic_prime= functionName;
|
||||
var func = [];
|
||||
func.push('bool ' + functionName + '(n) {');
|
||||
func.push(' // http://en.wikipedia.org/wiki/Primality_test#Naive_methods');
|
||||
func.push(' if (n == 2 || n == 3) {');
|
||||
func.push(' return true;');
|
||||
func.push(' }');
|
||||
func.push(' // False if n is null, negative, is 1, or not whole.');
|
||||
func.push(' // And false if n is divisible by 2 or 3.');
|
||||
func.push(' if (n == null || n <= 1 || n % 1 != 0 || n % 2 == 0 ||' +
|
||||
' n % 3 == 0) {');
|
||||
func.push(' return false;');
|
||||
func.push(' }');
|
||||
func.push(' // Check all the numbers of form 6k +/- 1, up to sqrt(n).');
|
||||
func.push(' for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {');
|
||||
func.push(' if (n % (x - 1) == 0 || n % (x + 1) == 0) {');
|
||||
func.push(' return false;');
|
||||
func.push(' }');
|
||||
func.push(' }');
|
||||
func.push(' return true;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['isPrime'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.logic_prime + '(' + number_to_check + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
}
|
||||
switch (dropdown_property) {
|
||||
case 'EVEN':
|
||||
code = number_to_check + ' % 2 == 0';
|
||||
break;
|
||||
case 'ODD':
|
||||
code = number_to_check + ' % 2 == 1';
|
||||
break;
|
||||
case 'WHOLE':
|
||||
code = number_to_check + ' % 1 == 0';
|
||||
break;
|
||||
case 'POSITIVE':
|
||||
code = number_to_check + ' > 0';
|
||||
break;
|
||||
case 'NEGATIVE':
|
||||
code = number_to_check + ' < 0';
|
||||
break;
|
||||
case 'DIVISIBLE_BY':
|
||||
var divisor = Blockly.Dart.valueToCode(this, 'DIVISOR',
|
||||
Blockly.Dart.ORDER_MULTIPLICATIVE);
|
||||
if (!divisor) {
|
||||
return ['false', Blockly.Python.ORDER_ATOMIC];
|
||||
}
|
||||
code = number_to_check + ' % ' + divisor + ' == 0';
|
||||
break;
|
||||
}
|
||||
return [code, Blockly.Dart.ORDER_EQUALITY];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_change = function() {
|
||||
// Add to a variable in place.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'DELTA',
|
||||
Blockly.Dart.ORDER_ADDITIVE) || '0';
|
||||
var varName = Blockly.Dart.variableDB_.getName(this.getTitleValue('VAR'),
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
return varName + ' = (' + varName + ' is num ? ' + varName + ' : 0) + ' +
|
||||
argument0 + ';\n';
|
||||
};
|
||||
|
||||
// Rounding functions have a single operand.
|
||||
Blockly.Dart.math_round = Blockly.Dart.math_single;
|
||||
// Trigonometry functions have a single operand.
|
||||
Blockly.Dart.math_trig = Blockly.Dart.math_single;
|
||||
|
||||
Blockly.Dart.math_on_list = function() {
|
||||
// Math functions for lists.
|
||||
var func = this.getTitleValue('OP');
|
||||
var list = Blockly.Dart.valueToCode(this, 'LIST',
|
||||
Blockly.Dart.ORDER_NONE) || '[]';
|
||||
var code;
|
||||
switch (func) {
|
||||
case 'SUM':
|
||||
if (!Blockly.Dart.definitions_['math_sum']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_sum', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_sum = functionName;
|
||||
var func = [];
|
||||
func.push('num ' + functionName + '(List myList) {');
|
||||
func.push(' num sumVal = 0;');
|
||||
func.push(' myList.forEach((num entry) {sumVal += entry;});');
|
||||
func.push(' return sumVal;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_sum'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_sum + '(' + list + ')';
|
||||
break;
|
||||
case 'MIN':
|
||||
if (!Blockly.Dart.definitions_['math_min']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_min', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_min = functionName;
|
||||
var func = [];
|
||||
func.push('num ' + functionName + '(List myList) {');
|
||||
func.push(' if (myList.isEmpty) return null;');
|
||||
func.push(' num minVal = myList[0];');
|
||||
func.push(' myList.forEach((num entry) ' +
|
||||
'{minVal = Math.min(minVal, entry);});');
|
||||
func.push(' return minVal;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_min'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_min + '(' + list + ')';
|
||||
break;
|
||||
case 'MAX':
|
||||
if (!Blockly.Dart.definitions_['math_max']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_max', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_max = functionName;
|
||||
var func = [];
|
||||
func.push('num ' + functionName + '(List myList) {');
|
||||
func.push(' if (myList.isEmpty) return null;');
|
||||
func.push(' num maxVal = myList[0];');
|
||||
func.push(' myList.forEach((num entry) ' +
|
||||
'{maxVal = Math.max(maxVal, entry);});');
|
||||
func.push(' return maxVal;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_max'] = func.join('\n');
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_max + '(' + list + ')';
|
||||
break;
|
||||
case 'AVERAGE':
|
||||
// This operation exclude null and values that are not int or float:
|
||||
// math_mean([null,null,"aString",1,9]) == 5.0.
|
||||
if (!Blockly.Dart.definitions_['math_average']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_average', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_average = functionName;
|
||||
var func = [];
|
||||
func.push('num ' + functionName + '(List myList) {');
|
||||
func.push(' // First filter list for numbers only.');
|
||||
func.push(' List localList = new List.from(myList);');
|
||||
func.push(' localList.removeMatching((a) => a is! num);');
|
||||
func.push(' if (localList.isEmpty) return null;');
|
||||
func.push(' num sumVal = 0;');
|
||||
func.push(' localList.forEach((num entry) {sumVal += entry;});');
|
||||
func.push(' return sumVal / localList.length;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_average'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_average + '(' + list + ')';
|
||||
break;
|
||||
case 'MEDIAN':
|
||||
if (!Blockly.Dart.definitions_['math_median']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_median', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_median = functionName;
|
||||
var func = [];
|
||||
func.push('num ' + functionName + '(List myList) {');
|
||||
func.push(' // First filter list for numbers only, then sort, ' +
|
||||
'then return middle value');
|
||||
func.push(' // or the average of two middle values if list has an ' +
|
||||
'even number of elements.');
|
||||
func.push(' List localList = new List.from(myList);');
|
||||
func.push(' localList.removeMatching((a) => a is! num);');
|
||||
func.push(' if (localList.isEmpty) return null;');
|
||||
func.push(' localList.sort((a, b) => (a - b));');
|
||||
func.push(' int index = localList.length ~/ 2;');
|
||||
func.push(' if (localList.length % 2 == 1) {');
|
||||
func.push(' return localList[index];');
|
||||
func.push(' } else {');
|
||||
func.push(' return (localList[index - 1] + localList[index]) / 2;');
|
||||
func.push(' }');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_median'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_median + '(' + list + ')';
|
||||
break;
|
||||
case 'MODE':
|
||||
if (!Blockly.Dart.definitions_['math_modes']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_modes', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_modes = functionName;
|
||||
// As a list of numbers can contain more than one mode,
|
||||
// the returned result is provided as an array.
|
||||
// Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
|
||||
var func = [];
|
||||
func.push('List ' + functionName + '(values) {');
|
||||
func.push(' List modes = [];');
|
||||
func.push(' List counts = [];');
|
||||
func.push(' int maxCount = 0;');
|
||||
func.push(' for (int i = 0; i < values.length; i++) {');
|
||||
func.push(' var value = values[i];');
|
||||
func.push(' bool found = false;');
|
||||
func.push(' int thisCount;');
|
||||
func.push(' for (int j = 0; j < counts.length; j++) {');
|
||||
func.push(' if (counts[j][0] == value) {');
|
||||
func.push(' thisCount = ++counts[j][1];');
|
||||
func.push(' found = true;');
|
||||
func.push(' break;');
|
||||
func.push(' }');
|
||||
func.push(' }');
|
||||
func.push(' if (!found) {');
|
||||
func.push(' counts.add([value, 1]);');
|
||||
func.push(' thisCount = 1;');
|
||||
func.push(' }');
|
||||
func.push(' maxCount = Math.max(thisCount, maxCount);');
|
||||
func.push(' }');
|
||||
func.push(' for (int j = 0; j < counts.length; j++) {');
|
||||
func.push(' if (counts[j][1] == maxCount) {');
|
||||
func.push(' modes.add(counts[j][0]);');
|
||||
func.push(' }');
|
||||
func.push(' }');
|
||||
func.push(' return modes;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_modes'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_modes + '(' + list + ')';
|
||||
break;
|
||||
case 'STD_DEV':
|
||||
if (!Blockly.Dart.definitions_['math_standard_deviation']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_standard_deviation', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_standard_deviation = functionName;
|
||||
var func = [];
|
||||
func.push('num ' + functionName + '(List myList) {');
|
||||
func.push(' // First filter list for numbers only.');
|
||||
func.push(' List numbers = new List.from(myList);');
|
||||
func.push(' numbers.removeMatching((a) => a is! num);');
|
||||
func.push(' if (numbers.isEmpty) return null;');
|
||||
func.push(' num n = numbers.length;');
|
||||
func.push(' num sum = 0;');
|
||||
func.push(' numbers.forEach((x) => sum += x);');
|
||||
func.push(' num mean = sum / n;');
|
||||
func.push(' num sumSquare = 0;');
|
||||
func.push(' numbers.forEach((x) => sumSquare += ' +
|
||||
'Math.pow(x - mean, 2));');
|
||||
func.push(' return Math.sqrt(sumSquare / n);');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_standard_deviation'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_standard_deviation +
|
||||
'(' + list + ')';
|
||||
break;
|
||||
case 'RANDOM':
|
||||
if (!Blockly.Dart.definitions_['math_random_item']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_random_item', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_on_list.math_random_item = functionName;
|
||||
var func = [];
|
||||
func.push('dynamic ' + functionName + '(List myList) {');
|
||||
func.push(' int x = new Math.Random().nextInt(myList.length);');
|
||||
func.push(' return myList[x];');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_random_item'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.math_on_list.math_random_item + '(' + list + ')';
|
||||
break;
|
||||
default:
|
||||
throw 'Unknown operator: ' + func;
|
||||
}
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_modulo = function() {
|
||||
// Remainder computation.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'DIVIDEND',
|
||||
Blockly.Dart.ORDER_MULTIPLICATIVE) || '0';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'DIVISOR',
|
||||
Blockly.Dart.ORDER_MULTIPLICATIVE) || '0';
|
||||
var code = argument0 + ' % ' + argument1;
|
||||
return [code, Blockly.Dart.ORDER_MULTIPLICATIVE];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_constrain = function() {
|
||||
// Constrain a number between two limits.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_NONE) || '0';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'LOW',
|
||||
Blockly.Dart.ORDER_NONE) || '0';
|
||||
var argument2 = Blockly.Dart.valueToCode(this, 'HIGH',
|
||||
Blockly.Dart.ORDER_NONE) || 'double.INFINITY';
|
||||
var code = 'Math.min(Math.max(' + argument0 + ', ' + argument1 + '), ' +
|
||||
argument2 + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_random_int = function() {
|
||||
// Random integer between [X] and [Y].
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'FROM',
|
||||
Blockly.Dart.ORDER_NONE) || '0';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'TO',
|
||||
Blockly.Dart.ORDER_NONE) || '0';
|
||||
if (!Blockly.Dart.definitions_['math_random_int']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'math_random_int', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.math_random_int.random_function = functionName;
|
||||
var func = [];
|
||||
func.push('int ' + functionName + '(num a, num b) {');
|
||||
func.push(' if (a > b) {');
|
||||
func.push(' // Swap a and b to ensure a is smaller.');
|
||||
func.push(' num c = a;');
|
||||
func.push(' a = b;');
|
||||
func.push(' b = c;');
|
||||
func.push(' }');
|
||||
func.push(' return new Math.Random().nextInt(b - a + 1) + a;');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['math_random_int'] = func.join('\n');
|
||||
}
|
||||
var code = Blockly.Dart.math_random_int.random_function +
|
||||
'(' + argument0 + ', ' + argument1 + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.math_random_float = function() {
|
||||
// Random fraction between 0 and 1.
|
||||
return ['new Math.Random().nextDouble()', Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
101
generators/dart/procedures.js
Normal file
101
generators/dart/procedures.js
Normal file
|
|
@ -0,0 +1,101 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for variable blocks.
|
||||
* @author fraser@google.com (Neil Fraser)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.procedures');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.procedures_defreturn = function() {
|
||||
// Define a procedure with a return value.
|
||||
var funcName = Blockly.Dart.variableDB_.getName(this.getTitleValue('NAME'),
|
||||
Blockly.Procedures.NAME_TYPE);
|
||||
var branch = Blockly.Dart.statementToCode(this, 'STACK');
|
||||
if (Blockly.Dart.INFINITE_LOOP_TRAP) {
|
||||
branch = Blockly.Dart.INFINITE_LOOP_TRAP.replace(/%1/g,
|
||||
'\'' + this.id + '\'') + branch;
|
||||
}
|
||||
var returnValue = Blockly.Dart.valueToCode(this, 'RETURN',
|
||||
Blockly.Dart.ORDER_NONE) || '';
|
||||
if (returnValue) {
|
||||
returnValue = ' return ' + returnValue + ';\n';
|
||||
}
|
||||
var returnType = returnValue ? 'dynamic' : 'void';
|
||||
var args = [];
|
||||
for (var x = 0; x < this.arguments_.length; x++) {
|
||||
args[x] = Blockly.Dart.variableDB_.getName(this.arguments_[x],
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
}
|
||||
var code = returnType + ' ' + funcName + '(' + args.join(', ') + ') {\n' +
|
||||
branch + returnValue + '}';
|
||||
code = Blockly.Dart.scrub_(this, code);
|
||||
Blockly.Dart.definitions_[funcName] = code;
|
||||
return null;
|
||||
};
|
||||
|
||||
// Defining a procedure without a return value uses the same generator as
|
||||
// a procedure with a return value.
|
||||
Blockly.Dart.procedures_defnoreturn = Blockly.Dart.procedures_defreturn;
|
||||
|
||||
Blockly.Dart.procedures_callreturn = function() {
|
||||
// Call a procedure with a return value.
|
||||
var funcName = Blockly.Dart.variableDB_.getName(this.getTitleValue('NAME'),
|
||||
Blockly.Procedures.NAME_TYPE);
|
||||
var args = [];
|
||||
for (var x = 0; x < this.arguments_.length; x++) {
|
||||
args[x] = Blockly.Dart.valueToCode(this, 'ARG' + x,
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
}
|
||||
var code = funcName + '(' + args.join(', ') + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.procedures_callnoreturn = function() {
|
||||
// Call a procedure with no return value.
|
||||
var funcName = Blockly.Dart.variableDB_.getName(this.getTitleValue('NAME'),
|
||||
Blockly.Procedures.NAME_TYPE);
|
||||
var args = [];
|
||||
for (var x = 0; x < this.arguments_.length; x++) {
|
||||
args[x] = Blockly.Dart.valueToCode(this, 'ARG' + x,
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
}
|
||||
var code = funcName + '(' + args.join(', ') + ');\n';
|
||||
return code;
|
||||
};
|
||||
|
||||
Blockly.Dart.procedures_ifreturn = function() {
|
||||
// Conditionally return value from a procedure.
|
||||
var condition = Blockly.Dart.valueToCode(this, 'CONDITION',
|
||||
Blockly.Dart.ORDER_NONE) || 'false';
|
||||
var code = 'if (' + condition + ') {\n';
|
||||
if (this.hasReturnValue_) {
|
||||
var value = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
code += ' return ' + value + ';\n';
|
||||
} else {
|
||||
code += ' return;\n';
|
||||
}
|
||||
code += '}\n';
|
||||
return code;
|
||||
};
|
||||
268
generators/dart/text.js
Normal file
268
generators/dart/text.js
Normal file
|
|
@ -0,0 +1,268 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for text blocks.
|
||||
* @author fraser@google.com (Neil Fraser)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.text');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.addReservedWords('Html,Math');
|
||||
|
||||
Blockly.Dart.text = function() {
|
||||
// Text value.
|
||||
var code = Blockly.Dart.quote_(this.getTitleValue('TEXT'));
|
||||
return [code, Blockly.Dart.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_join = function() {
|
||||
// Create a string made up of any number of elements of any type.
|
||||
var code;
|
||||
if (this.itemCount_ == 0) {
|
||||
return ['\'\'', Blockly.Dart.ORDER_ATOMIC];
|
||||
} else if (this.itemCount_ == 1) {
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'ADD0',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
code = argument0 + '.toString()';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
} else {
|
||||
code = new Array(this.itemCount_);
|
||||
for (var n = 0; n < this.itemCount_; n++) {
|
||||
code[n] = Blockly.Dart.valueToCode(this, 'ADD' + n,
|
||||
Blockly.Dart.ORDER_NONE) || '\'\'';
|
||||
}
|
||||
code = '[' + code.join(',') + '].join()';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
}
|
||||
};
|
||||
|
||||
Blockly.Dart.text_append = function() {
|
||||
// Append to a variable in place.
|
||||
var varName = Blockly.Dart.variableDB_.getName(this.getTitleValue('VAR'),
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
return varName + ' = [' + varName + ', ' + argument0 + '].join();\n';
|
||||
};
|
||||
|
||||
Blockly.Dart.text_length = function() {
|
||||
// String length.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
return [argument0 + '.length', Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_isEmpty = function() {
|
||||
// Is the string null?
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
return [argument0 + '.isEmpty', Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_endString = function() {
|
||||
// Return a leading or trailing substring.
|
||||
var first = this.getTitleValue('END') == 'FIRST';
|
||||
var code;
|
||||
if (first) {
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_NONE) || '1';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
code = argument1 + '.substring(0, ' + argument0 + ')';
|
||||
} else {
|
||||
if (!Blockly.Dart.definitions_['text_tailString']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'text_tailString', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.text_endString.text_tailString = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '(n, myString) {');
|
||||
func.push(' // Return a trailing substring of n characters.');
|
||||
func.push(' return myString.substring(myString.length - n);');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['text_tailString'] = func.join('\n');
|
||||
}
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'NUM',
|
||||
Blockly.Dart.ORDER_NONE) || '1';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_NONE) || '\'\'';
|
||||
code = Blockly.Dart.text_endString.text_tailString +
|
||||
'(' + argument0 + ', ' + argument1 + ')';
|
||||
}
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_indexOf = function() {
|
||||
// Search the text for a substring.
|
||||
var operator = this.getTitleValue('END') == 'FIRST' ?
|
||||
'indexOf' : 'lastIndexOf';
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'FIND',
|
||||
Blockly.Dart.ORDER_NONE) || '\'\'';
|
||||
var argument1 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
var code = argument1 + '.' + operator + '(' + argument0 + ') + 1';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_charAt = function() {
|
||||
// Get letter at index.
|
||||
// Note: Until January 2013 this block did not have the WHERE input.
|
||||
var where = this.getTitleValue('WHERE') || 'FROM_START';
|
||||
var at = Blockly.Dart.valueToCode(this, 'AT',
|
||||
Blockly.Dart.ORDER_NONE) || '1';
|
||||
var text = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
switch (where) {
|
||||
case 'FIRST':
|
||||
var code = text + '[0]';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
case 'FROM_START':
|
||||
// Blockly uses one-based indicies.
|
||||
if (at.match(/^-?\d+$/)) {
|
||||
// If the index is a naked number, decrement it right now.
|
||||
at = parseInt(at, 10) - 1;
|
||||
} else {
|
||||
// If the index is dynamic, decrement it in code.
|
||||
at += ' - 1';
|
||||
}
|
||||
var code = text + '[' + at + ']';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
case 'LAST':
|
||||
at = 1;
|
||||
// Fall through.
|
||||
case 'FROM_END':
|
||||
if (!Blockly.Dart.definitions_['text_get_from_end']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'text_get_from_end', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.text_charAt.text_get_from_end = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '(String text, num x) {');
|
||||
func.push(' return text[text.length - x];');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['text_get_from_end'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.text_charAt.text_get_from_end +
|
||||
'(' + text + ', ' + at + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
case 'RANDOM':
|
||||
if (!Blockly.Dart.definitions_['text_random_letter']) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'text_random_letter', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.text_charAt.text_random_letter = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '(String text) {');
|
||||
func.push(' int x = new Math.Random().nextInt(text.length);');
|
||||
func.push(' return text[x];');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['text_random_letter'] = func.join('\n');
|
||||
}
|
||||
code = Blockly.Dart.text_charAt.text_random_letter +
|
||||
'(' + text + ')';
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
}
|
||||
throw 'Unhandled option (text_charAt).';
|
||||
};
|
||||
|
||||
Blockly.Dart.text_changeCase = function() {
|
||||
// Change capitalization.
|
||||
var mode = this.getTitleValue('CASE');
|
||||
var operator = Blockly.Dart.text_changeCase.OPERATORS[mode];
|
||||
var code;
|
||||
if (operator) {
|
||||
// Upper and lower case are functions built into Dart.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
code = argument0 + operator;
|
||||
} else {
|
||||
if (!Blockly.Dart.definitions_['toTitleCase']) {
|
||||
// Title case is not a native Dart function. Define one.
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'text_toTitleCase', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.text_changeCase.toTitleCase = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '(str) {');
|
||||
func.push(' RegExp exp = new RegExp(r\'\\b\');');
|
||||
func.push(' List<String> list = str.split(exp);');
|
||||
func.push(' final title = new StringBuffer();');
|
||||
func.push(' for (String part in list) {');
|
||||
func.push(' if (part.length > 0) {');
|
||||
func.push(' title.write(part[0].toUpperCase());');
|
||||
func.push(' if (part.length > 0) {');
|
||||
func.push(' title.write(part.substring(1).toLowerCase());');
|
||||
func.push(' }');
|
||||
func.push(' }');
|
||||
func.push(' }');
|
||||
func.push(' return title.toString();');
|
||||
func.push('}');
|
||||
Blockly.Dart.definitions_['toTitleCase'] = func.join('\n');
|
||||
}
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_NONE) || '\'\'';
|
||||
code = Blockly.Dart.text_changeCase.toTitleCase + '(' + argument0 + ')';
|
||||
}
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_changeCase.OPERATORS = {
|
||||
UPPERCASE: '.toUpperCase()',
|
||||
LOWERCASE: '.toLowerCase()',
|
||||
TITLECASE: null
|
||||
};
|
||||
|
||||
Blockly.Dart.text_trim = function() {
|
||||
// Trim spaces.
|
||||
var mode = this.getTitleValue('MODE');
|
||||
var operator = Blockly.Dart.text_trim.OPERATORS[mode];
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
|
||||
return [argument0 + operator, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
|
||||
Blockly.Dart.text_trim.OPERATORS = {
|
||||
LEFT: '.replaceFirst(new RegExp(r\'^\\s+\'), \'\')',
|
||||
RIGHT: '.replaceFirst(new RegExp(r\'\\s+$\'), \'\')',
|
||||
BOTH: '.trim()'
|
||||
};
|
||||
|
||||
Blockly.Dart.text_print = function() {
|
||||
// Print statement.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'TEXT',
|
||||
Blockly.Dart.ORDER_NONE) || '\'\'';
|
||||
return 'print(' + argument0 + ');\n';
|
||||
};
|
||||
|
||||
Blockly.Dart.text_prompt = function() {
|
||||
// Prompt function.
|
||||
Blockly.Dart.definitions_['import_dart_html'] =
|
||||
'import \'dart:html\' as Html;';
|
||||
var msg = Blockly.Dart.quote_(this.getTitleValue('TEXT'));
|
||||
var code = 'Html.window.prompt(' + msg + ', \'\')';
|
||||
var toNumber = this.getTitleValue('TYPE') == 'NUMBER';
|
||||
if (toNumber) {
|
||||
Blockly.Dart.definitions_['import_dart_math'] =
|
||||
'import \'dart:math\' as Math;';
|
||||
code = 'Math.parseDouble(' + code + ')';
|
||||
}
|
||||
return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
|
||||
};
|
||||
44
generators/dart/variables.js
Normal file
44
generators/dart/variables.js
Normal file
|
|
@ -0,0 +1,44 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for variable blocks.
|
||||
* @author fraser@google.com (Neil Fraser)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Dart.variables');
|
||||
|
||||
goog.require('Blockly.Dart');
|
||||
|
||||
Blockly.Dart.variables_get = function() {
|
||||
// Variable getter.
|
||||
var code = Blockly.Dart.variableDB_.getName(this.getTitleValue('VAR'),
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
return [code, Blockly.Dart.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Dart.variables_set = function() {
|
||||
// Variable setter.
|
||||
var argument0 = Blockly.Dart.valueToCode(this, 'VALUE',
|
||||
Blockly.Dart.ORDER_ASSIGNMENT) || '0';
|
||||
var varName = Blockly.Dart.variableDB_.getName(this.getTitleValue('VAR'),
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
return varName + ' = ' + argument0 + ';\n';
|
||||
};
|
||||
163
tests/generators/unittest_dart.js
Normal file
163
tests/generators/unittest_dart.js
Normal file
|
|
@ -0,0 +1,163 @@
|
|||
/**
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* http://blockly.googlecode.com/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Dart for unit test blocks.
|
||||
* @author fraser@google.com (Neil Fraser)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
Blockly.Dart = Blockly.Generator.get('Dart');
|
||||
|
||||
Blockly.Dart.unittest_main = function() {
|
||||
// Container for unit tests.
|
||||
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
if (!Blockly.Dart.definitions_['unittest_report']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'testReport', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.unittest_main.report = functionName;
|
||||
var func = [];
|
||||
func.push('String ' + functionName + '() {');
|
||||
func.push(' // Create test report.');
|
||||
func.push(' List report = [];');
|
||||
func.push(' StringBuffer summary = new StringBuffer();');
|
||||
func.push(' int fails = 0;');
|
||||
func.push(' for (int x = 0; x < ' + resultsVar + '.length; x++) {');
|
||||
func.push(' if (' + resultsVar + '[x][0]) {');
|
||||
func.push(' summary.write(".");');
|
||||
func.push(' } else {');
|
||||
func.push(' summary.write("F");');
|
||||
func.push(' fails++;');
|
||||
func.push(' report.add("");');
|
||||
func.push(' report.add("FAIL: ${' + resultsVar + '[x][2]}");');
|
||||
func.push(' report.add(' + resultsVar + '[x][1]);');
|
||||
func.push(' }');
|
||||
func.push(' }');
|
||||
func.push(' report.insertRange(0, 1, summary.toString());');
|
||||
func.push(' report.add("");');
|
||||
func.push(' report.add("Ran ${' + resultsVar + '.length} tests.");');
|
||||
func.push(' report.add("");');
|
||||
func.push(' if (fails != 0) {');
|
||||
func.push(' report.add("FAILED (failures=$fails)");');
|
||||
func.push(' } else {');
|
||||
func.push(' report.add("OK");');
|
||||
func.push(' }');
|
||||
func.push(' return report.join("\\n");');
|
||||
func.push('}');
|
||||
func.push('');
|
||||
Blockly.Dart.definitions_['unittest_report'] = func.join('\n');
|
||||
}
|
||||
// Setup global to hold test results.
|
||||
var code = resultsVar + ' = [];\n';
|
||||
// Run tests (unindented).
|
||||
code += Blockly.Dart.statementToCode(this, 'DO')
|
||||
.replace(/^ /, '').replace(/\n /g, '\n');
|
||||
var reportVar = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'report', Blockly.Variables.NAME_TYPE);
|
||||
code += 'String ' + reportVar + ' = ' +
|
||||
Blockly.Dart.unittest_main.report + '();\n';
|
||||
// Destroy results.
|
||||
code += resultsVar + ' = null;\n';
|
||||
// Print the report to the console (that's where errors will go anyway).
|
||||
code += 'print(' + reportVar + ');\n';
|
||||
return code;
|
||||
};
|
||||
|
||||
Blockly.Dart.unittest_main.defineAssert_ = function() {
|
||||
if (!Blockly.Dart.definitions_['unittest_assertequals']) {
|
||||
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'assertEquals', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.unittest_main.assert_ = functionName;
|
||||
var func = [];
|
||||
func.push('void ' + functionName +
|
||||
'(dynamic actual, dynamic expected, String message) {');
|
||||
func.push(' // Asserts that a value equals another value.');
|
||||
func.push(' if (' + resultsVar + ' == null) {');
|
||||
func.push(' throw "Orphaned assert: ${message}";');
|
||||
func.push(' }');
|
||||
func.push(' if (actual == expected) {');
|
||||
func.push(' ' + resultsVar + '.add([true, "OK", message]);');
|
||||
func.push(' } else {');
|
||||
func.push(' ' + resultsVar + '.add([false, ' +
|
||||
'"Expected: $expected\\nActual: $actual", message]);');
|
||||
func.push(' }');
|
||||
func.push('}');
|
||||
func.push('');
|
||||
Blockly.Dart.definitions_['unittest_assertequals'] = func.join('\n');
|
||||
}
|
||||
return Blockly.Dart.unittest_main.assert_;
|
||||
};
|
||||
|
||||
Blockly.Dart.unittest_assertequals = function() {
|
||||
// Asserts that a value equals another value.
|
||||
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
var message = Blockly.Dart.quote_(this.getTitleValue('MESSAGE'));
|
||||
var actual = Blockly.Dart.valueToCode(this, 'ACTUAL',
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
var expected = Blockly.Dart.valueToCode(this, 'EXPECTED',
|
||||
Blockly.Dart.ORDER_NONE) || 'null';
|
||||
return Blockly.Dart.unittest_main.defineAssert_() +
|
||||
'(' + actual + ', ' + expected + ', ' + message + ');\n';
|
||||
};
|
||||
|
||||
Blockly.Dart.unittest_assertvalue = function() {
|
||||
// Asserts that a value is true, false, or null.
|
||||
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
var message = Blockly.Dart.quote_(this.getTitleValue('MESSAGE'));
|
||||
var actual = Blockly.Dart.valueToCode(this, 'ACTUAL',
|
||||
Blockly.Dart.ORDER_NONE) || 'true';
|
||||
var expected = this.getTitleValue('EXPECTED');
|
||||
if (expected == 'TRUE') {
|
||||
expected = 'true';
|
||||
} else if (expected == 'FALSE') {
|
||||
expected = 'false';
|
||||
} else if (expected == 'NULL') {
|
||||
expected = 'null';
|
||||
}
|
||||
return Blockly.Dart.unittest_main.defineAssert_() +
|
||||
'(' + actual + ', ' + expected + ', ' + message + ');\n';
|
||||
};
|
||||
|
||||
Blockly.Dart.unittest_fail = function() {
|
||||
// Always assert an error.
|
||||
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
|
||||
Blockly.Variables.NAME_TYPE);
|
||||
var message = Blockly.Dart.quote_(this.getTitleValue('MESSAGE'));
|
||||
if (!Blockly.Dart.definitions_['unittest_fail']) {
|
||||
var functionName = Blockly.Dart.variableDB_.getDistinctName(
|
||||
'fail', Blockly.Generator.NAME_TYPE);
|
||||
Blockly.Dart.unittest_fail.assert = functionName;
|
||||
var func = [];
|
||||
func.push('void ' + functionName + '(String message) {');
|
||||
func.push(' // Always assert an error.');
|
||||
func.push(' if (' + resultsVar + ' == null) {');
|
||||
func.push(' throw "Orphaned assert fail: ' + message + '";');
|
||||
func.push(' }');
|
||||
func.push(' ' + resultsVar + '.add([false, "Fail.", message]);');
|
||||
func.push('}');
|
||||
func.push('');
|
||||
Blockly.Dart.definitions_['unittest_fail'] = func.join('\n');
|
||||
}
|
||||
return Blockly.Dart.unittest_fail.assert + '(' + message + ');\n';
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue