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-rw-r--r--blockly/generators/javascript/colour.js103
-rw-r--r--blockly/generators/javascript/lists.js394
-rw-r--r--blockly/generators/javascript/logic.js126
-rw-r--r--blockly/generators/javascript/loops.js175
-rw-r--r--blockly/generators/javascript/math.js411
-rw-r--r--blockly/generators/javascript/procedures.js109
-rw-r--r--blockly/generators/javascript/text.js304
-rw-r--r--blockly/generators/javascript/variables.js46
8 files changed, 1668 insertions, 0 deletions
diff --git a/blockly/generators/javascript/colour.js b/blockly/generators/javascript/colour.js
new file mode 100644
index 0000000..21b372e
--- /dev/null
+++ b/blockly/generators/javascript/colour.js
@@ -0,0 +1,103 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for colour blocks.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.colour');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['colour_picker'] = function(block) {
+ // Colour picker.
+ var code = '\'' + block.getFieldValue('COLOUR') + '\'';
+ return [code, Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['colour_random'] = function(block) {
+ // Generate a random colour.
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'colourRandom',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '() {',
+ ' var num = Math.floor(Math.random() * Math.pow(2, 24));',
+ ' return \'#\' + (\'00000\' + num.toString(16)).substr(-6);',
+ '}']);
+ var code = functionName + '()';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['colour_rgb'] = function(block) {
+ // Compose a colour from RGB components expressed as percentages.
+ var red = Blockly.JavaScript.valueToCode(block, 'RED',
+ Blockly.JavaScript.ORDER_COMMA) || 0;
+ var green = Blockly.JavaScript.valueToCode(block, 'GREEN',
+ Blockly.JavaScript.ORDER_COMMA) || 0;
+ var blue = Blockly.JavaScript.valueToCode(block, 'BLUE',
+ Blockly.JavaScript.ORDER_COMMA) || 0;
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'colourRgb',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(r, g, b) {',
+ ' r = Math.max(Math.min(Number(r), 100), 0) * 2.55;',
+ ' g = Math.max(Math.min(Number(g), 100), 0) * 2.55;',
+ ' b = Math.max(Math.min(Number(b), 100), 0) * 2.55;',
+ ' r = (\'0\' + (Math.round(r) || 0).toString(16)).slice(-2);',
+ ' g = (\'0\' + (Math.round(g) || 0).toString(16)).slice(-2);',
+ ' b = (\'0\' + (Math.round(b) || 0).toString(16)).slice(-2);',
+ ' return \'#\' + r + g + b;',
+ '}']);
+ var code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['colour_blend'] = function(block) {
+ // Blend two colours together.
+ var c1 = Blockly.JavaScript.valueToCode(block, 'COLOUR1',
+ Blockly.JavaScript.ORDER_COMMA) || '\'#000000\'';
+ var c2 = Blockly.JavaScript.valueToCode(block, 'COLOUR2',
+ Blockly.JavaScript.ORDER_COMMA) || '\'#000000\'';
+ var ratio = Blockly.JavaScript.valueToCode(block, 'RATIO',
+ Blockly.JavaScript.ORDER_COMMA) || 0.5;
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'colourBlend',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(c1, c2, ratio) {',
+ ' ratio = Math.max(Math.min(Number(ratio), 1), 0);',
+ ' var r1 = parseInt(c1.substring(1, 3), 16);',
+ ' var g1 = parseInt(c1.substring(3, 5), 16);',
+ ' var b1 = parseInt(c1.substring(5, 7), 16);',
+ ' var r2 = parseInt(c2.substring(1, 3), 16);',
+ ' var g2 = parseInt(c2.substring(3, 5), 16);',
+ ' var b2 = parseInt(c2.substring(5, 7), 16);',
+ ' var r = Math.round(r1 * (1 - ratio) + r2 * ratio);',
+ ' var g = Math.round(g1 * (1 - ratio) + g2 * ratio);',
+ ' var b = Math.round(b1 * (1 - ratio) + b2 * ratio);',
+ ' r = (\'0\' + (r || 0).toString(16)).slice(-2);',
+ ' g = (\'0\' + (g || 0).toString(16)).slice(-2);',
+ ' b = (\'0\' + (b || 0).toString(16)).slice(-2);',
+ ' return \'#\' + r + g + b;',
+ '}']);
+ var code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
diff --git a/blockly/generators/javascript/lists.js b/blockly/generators/javascript/lists.js
new file mode 100644
index 0000000..d1e66a0
--- /dev/null
+++ b/blockly/generators/javascript/lists.js
@@ -0,0 +1,394 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for list blocks.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.lists');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['lists_create_empty'] = function(block) {
+ // Create an empty list.
+ return ['[]', Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['lists_create_with'] = function(block) {
+ // Create a list with any number of elements of any type.
+ var elements = new Array(block.itemCount_);
+ for (var i = 0; i < block.itemCount_; i++) {
+ elements[i] = Blockly.JavaScript.valueToCode(block, 'ADD' + i,
+ Blockly.JavaScript.ORDER_COMMA) || 'null';
+ }
+ var code = '[' + elements.join(', ') + ']';
+ return [code, Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['lists_repeat'] = function(block) {
+ // Create a list with one element repeated.
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'listsRepeat',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(value, n) {',
+ ' var array = [];',
+ ' for (var i = 0; i < n; i++) {',
+ ' array[i] = value;',
+ ' }',
+ ' return array;',
+ '}']);
+ var element = Blockly.JavaScript.valueToCode(block, 'ITEM',
+ Blockly.JavaScript.ORDER_COMMA) || 'null';
+ var repeatCount = Blockly.JavaScript.valueToCode(block, 'NUM',
+ Blockly.JavaScript.ORDER_COMMA) || '0';
+ var code = functionName + '(' + element + ', ' + repeatCount + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['lists_length'] = function(block) {
+ // String or array length.
+ var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_MEMBER) || '[]';
+ return [list + '.length', Blockly.JavaScript.ORDER_MEMBER];
+};
+
+Blockly.JavaScript['lists_isEmpty'] = function(block) {
+ // Is the string null or array empty?
+ var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_MEMBER) || '[]';
+ return ['!' + list + '.length', Blockly.JavaScript.ORDER_LOGICAL_NOT];
+};
+
+Blockly.JavaScript['lists_indexOf'] = function(block) {
+ // Find an item in the list.
+ var operator = block.getFieldValue('END') == 'FIRST' ?
+ 'indexOf' : 'lastIndexOf';
+ var item = Blockly.JavaScript.valueToCode(block, 'FIND',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_MEMBER) || '[]';
+ var code = list + '.' + operator + '(' + item + ')';
+ if (Blockly.JavaScript.ONE_BASED_INDEXING) {
+ return [code + ' + 1', Blockly.JavaScript.ORDER_ADDITION];
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['lists_getIndex'] = function(block) {
+ // Get element at index.
+ // Note: Until January 2013 this block did not have MODE or WHERE inputs.
+ var mode = block.getFieldValue('MODE') || 'GET';
+ var where = block.getFieldValue('WHERE') || 'FROM_START';
+ var listOrder = (where == 'RANDOM') ? Blockly.JavaScript.ORDER_COMMA :
+ Blockly.JavaScript.ORDER_MEMBER;
+ var list = Blockly.JavaScript.valueToCode(block, 'VALUE', listOrder) || '[]';
+
+ switch (where) {
+ case ('FIRST'):
+ if (mode == 'GET') {
+ var code = list + '[0]';
+ return [code, Blockly.JavaScript.ORDER_MEMBER];
+ } else if (mode == 'GET_REMOVE') {
+ var code = list + '.shift()';
+ return [code, Blockly.JavaScript.ORDER_MEMBER];
+ } else if (mode == 'REMOVE') {
+ return list + '.shift();\n';
+ }
+ break;
+ case ('LAST'):
+ if (mode == 'GET') {
+ var code = list + '.slice(-1)[0]';
+ return [code, Blockly.JavaScript.ORDER_MEMBER];
+ } else if (mode == 'GET_REMOVE') {
+ var code = list + '.pop()';
+ return [code, Blockly.JavaScript.ORDER_MEMBER];
+ } else if (mode == 'REMOVE') {
+ return list + '.pop();\n';
+ }
+ break;
+ case ('FROM_START'):
+ var at = Blockly.JavaScript.getAdjusted(block, 'AT');
+ if (mode == 'GET') {
+ var code = list + '[' + at + ']';
+ return [code, Blockly.JavaScript.ORDER_MEMBER];
+ } else if (mode == 'GET_REMOVE') {
+ var code = list + '.splice(' + at + ', 1)[0]';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ } else if (mode == 'REMOVE') {
+ return list + '.splice(' + at + ', 1);\n';
+ }
+ break;
+ case ('FROM_END'):
+ var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
+ if (mode == 'GET') {
+ var code = list + '.slice(' + at + ')[0]';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ } else if (mode == 'GET_REMOVE') {
+ var code = list + '.splice(' + at + ', 1)[0]';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ } else if (mode == 'REMOVE') {
+ return list + '.splice(' + at + ', 1);';
+ }
+ break;
+ case ('RANDOM'):
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'listsGetRandomItem',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(list, remove) {',
+ ' var x = Math.floor(Math.random() * list.length);',
+ ' if (remove) {',
+ ' return list.splice(x, 1)[0];',
+ ' } else {',
+ ' return list[x];',
+ ' }',
+ '}']);
+ code = functionName + '(' + list + ', ' + (mode != 'GET') + ')';
+ if (mode == 'GET' || mode == 'GET_REMOVE') {
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ } else if (mode == 'REMOVE') {
+ return code + ';\n';
+ }
+ break;
+ }
+ throw 'Unhandled combination (lists_getIndex).';
+};
+
+Blockly.JavaScript['lists_setIndex'] = function(block) {
+ // Set element at index.
+ // Note: Until February 2013 this block did not have MODE or WHERE inputs.
+ var list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_MEMBER) || '[]';
+ var mode = block.getFieldValue('MODE') || 'GET';
+ var where = block.getFieldValue('WHERE') || 'FROM_START';
+ var value = Blockly.JavaScript.valueToCode(block, 'TO',
+ Blockly.JavaScript.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.JavaScript.variableDB_.getDistinctName(
+ 'tmpList', Blockly.Variables.NAME_TYPE);
+ var code = 'var ' + listVar + ' = ' + list + ';\n';
+ list = listVar;
+ return code;
+ }
+ switch (where) {
+ case ('FIRST'):
+ if (mode == 'SET') {
+ return list + '[0] = ' + value + ';\n';
+ } else if (mode == 'INSERT') {
+ return list + '.unshift(' + value + ');\n';
+ }
+ break;
+ case ('LAST'):
+ if (mode == 'SET') {
+ var code = cacheList();
+ code += list + '[' + list + '.length - 1] = ' + value + ';\n';
+ return code;
+ } else if (mode == 'INSERT') {
+ return list + '.push(' + value + ');\n';
+ }
+ break;
+ case ('FROM_START'):
+ var at = Blockly.JavaScript.getAdjusted(block, 'AT');
+ if (mode == 'SET') {
+ return list + '[' + at + '] = ' + value + ';\n';
+ } else if (mode == 'INSERT') {
+ return list + '.splice(' + at + ', 0, ' + value + ');\n';
+ }
+ break;
+ case ('FROM_END'):
+ var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, false,
+ Blockly.JavaScript.ORDER_SUBTRACTION);
+ var code = cacheList();
+ if (mode == 'SET') {
+ code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
+ return code;
+ } else if (mode == 'INSERT') {
+ code += list + '.splice(' + list + '.length - ' + at + ', 0, ' + value +
+ ');\n';
+ return code;
+ }
+ break;
+ case ('RANDOM'):
+ var code = cacheList();
+ var xVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ 'tmpX', Blockly.Variables.NAME_TYPE);
+ code += 'var ' + xVar + ' = Math.floor(Math.random() * ' + list +
+ '.length);\n';
+ if (mode == 'SET') {
+ code += list + '[' + xVar + '] = ' + value + ';\n';
+ return code;
+ } else if (mode == 'INSERT') {
+ code += list + '.splice(' + xVar + ', 0, ' + value + ');\n';
+ return code;
+ }
+ break;
+ }
+ throw 'Unhandled combination (lists_setIndex).';
+};
+
+/**
+ * Returns an expression calculating the index into a list.
+ * @private
+ * @param {string} listName Name of the list, used to calculate length.
+ * @param {string} where The method of indexing, selected by dropdown in Blockly
+ * @param {string=} opt_at The optional offset when indexing from start/end.
+ * @return {string} Index expression.
+ */
+Blockly.JavaScript.lists.getIndex_ = function(listName, where, opt_at) {
+ if (where == 'FIRST') {
+ return '0';
+ } else if (where == 'FROM_END') {
+ return listName + '.length - 1 - ' + opt_at;
+ } else if (where == 'LAST') {
+ return listName + '.length - 1';
+ } else {
+ return opt_at;
+ }
+};
+
+Blockly.JavaScript['lists_getSublist'] = function(block) {
+ // Get sublist.
+ var list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_MEMBER) || '[]';
+ var where1 = block.getFieldValue('WHERE1');
+ var where2 = block.getFieldValue('WHERE2');
+ if (where1 == 'FIRST' && where2 == 'LAST') {
+ var code = list + '.slice(0)';
+ } else if (list.match(/^\w+$/) ||
+ (where1 != 'FROM_END' && where2 == 'FROM_START')) {
+ // If the list is a variable or doesn't require a call for length, don't
+ // generate a helper function.
+ switch (where1) {
+ case 'FROM_START':
+ var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
+ break;
+ case 'FROM_END':
+ var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
+ Blockly.JavaScript.ORDER_SUBTRACTION);
+ at1 = list + '.length - ' + at1;
+ break;
+ case 'FIRST':
+ var at1 = '0';
+ break;
+ default:
+ throw 'Unhandled option (lists_getSublist).';
+ }
+ switch (where2) {
+ case 'FROM_START':
+ var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
+ break;
+ case 'FROM_END':
+ var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
+ Blockly.JavaScript.ORDER_SUBTRACTION);
+ at2 = list + '.length - ' + at2;
+ break;
+ case 'LAST':
+ var at2 = list + '.length';
+ break;
+ default:
+ throw 'Unhandled option (lists_getSublist).';
+ }
+ code = list + '.slice(' + at1 + ', ' + at2 + ')';
+ } else {
+ var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
+ var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
+ var getIndex_ = Blockly.JavaScript.lists.getIndex_;
+ var wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
+ 'FROM_START': 'FromStart', 'FROM_END': 'FromEnd'};
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(sequence' +
+ // The value for 'FROM_END' and'FROM_START' depends on `at` so
+ // we add it as a parameter.
+ ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', at1' : '') +
+ ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', at2' : '') +
+ ') {',
+ ' var start = ' + getIndex_('sequence', where1, 'at1') + ';',
+ ' var end = ' + getIndex_('sequence', where2, 'at2') + ' + 1;',
+ ' return sequence.slice(start, end);',
+ '}']);
+ var code = functionName + '(' + list +
+ // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
+ // pass it.
+ ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', ' + at1 : '') +
+ ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', ' + at2 : '') +
+ ')';
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['lists_sort'] = function(block) {
+ // Block for sorting a list.
+ var list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_FUNCTION_CALL) || '[]';
+ var direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
+ var type = block.getFieldValue('TYPE');
+ var getCompareFunctionName = Blockly.JavaScript.provideFunction_(
+ 'listsGetSortCompare',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(type, direction) {',
+ ' var compareFuncs = {',
+ ' "NUMERIC": function(a, b) {',
+ ' return parseFloat(a) - parseFloat(b); },',
+ ' "TEXT": function(a, b) {',
+ ' return a.toString() > b.toString() ? 1 : -1; },',
+ ' "IGNORE_CASE": function(a, b) {',
+ ' return a.toString().toLowerCase() > ' +
+ 'b.toString().toLowerCase() ? 1 : -1; },',
+ ' };',
+ ' var compare = compareFuncs[type];',
+ ' return function(a, b) { return compare(a, b) * direction; }',
+ '}']);
+ return [list + '.slice().sort(' +
+ getCompareFunctionName + '("' + type + '", ' + direction + '))',
+ Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['lists_split'] = function(block) {
+ // Block for splitting text into a list, or joining a list into text.
+ var input = Blockly.JavaScript.valueToCode(block, 'INPUT',
+ Blockly.JavaScript.ORDER_MEMBER);
+ var delimiter = Blockly.JavaScript.valueToCode(block, 'DELIM',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ var mode = block.getFieldValue('MODE');
+ if (mode == 'SPLIT') {
+ if (!input) {
+ input = '\'\'';
+ }
+ var functionName = 'split';
+ } else if (mode == 'JOIN') {
+ if (!input) {
+ input = '[]';
+ }
+ var functionName = 'join';
+ } else {
+ throw 'Unknown mode: ' + mode;
+ }
+ var code = input + '.' + functionName + '(' + delimiter + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
diff --git a/blockly/generators/javascript/logic.js b/blockly/generators/javascript/logic.js
new file mode 100644
index 0000000..07ee35b
--- /dev/null
+++ b/blockly/generators/javascript/logic.js
@@ -0,0 +1,126 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for logic blocks.
+ * @author q.neutron@gmail.com (Quynh Neutron)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.logic');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['controls_if'] = function(block) {
+ // If/elseif/else condition.
+ var n = 0;
+ var argument = Blockly.JavaScript.valueToCode(block, 'IF' + n,
+ Blockly.JavaScript.ORDER_NONE) || 'false';
+ var branch = Blockly.JavaScript.statementToCode(block, 'DO' + n);
+ var code = 'if (' + argument + ') {\n' + branch + '}';
+ for (n = 1; n <= block.elseifCount_; n++) {
+ argument = Blockly.JavaScript.valueToCode(block, 'IF' + n,
+ Blockly.JavaScript.ORDER_NONE) || 'false';
+ branch = Blockly.JavaScript.statementToCode(block, 'DO' + n);
+ code += ' else if (' + argument + ') {\n' + branch + '}';
+ }
+ if (block.elseCount_) {
+ branch = Blockly.JavaScript.statementToCode(block, 'ELSE');
+ code += ' else {\n' + branch + '}';
+ }
+ return code + '\n';
+};
+
+Blockly.JavaScript['logic_compare'] = function(block) {
+ // Comparison operator.
+ var OPERATORS = {
+ 'EQ': '==',
+ 'NEQ': '!=',
+ 'LT': '<',
+ 'LTE': '<=',
+ 'GT': '>',
+ 'GTE': '>='
+ };
+ var operator = OPERATORS[block.getFieldValue('OP')];
+ var order = (operator == '==' || operator == '!=') ?
+ Blockly.JavaScript.ORDER_EQUALITY : Blockly.JavaScript.ORDER_RELATIONAL;
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
+ var code = argument0 + ' ' + operator + ' ' + argument1;
+ return [code, order];
+};
+
+Blockly.JavaScript['logic_operation'] = function(block) {
+ // Operations 'and', 'or'.
+ var operator = (block.getFieldValue('OP') == 'AND') ? '&&' : '||';
+ var order = (operator == '&&') ? Blockly.JavaScript.ORDER_LOGICAL_AND :
+ Blockly.JavaScript.ORDER_LOGICAL_OR;
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order);
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order);
+ if (!argument0 && !argument1) {
+ // If there are no arguments, then the return value is false.
+ argument0 = 'false';
+ argument1 = 'false';
+ } else {
+ // Single missing arguments have no effect on the return value.
+ var defaultArgument = (operator == '&&') ? 'true' : 'false';
+ if (!argument0) {
+ argument0 = defaultArgument;
+ }
+ if (!argument1) {
+ argument1 = defaultArgument;
+ }
+ }
+ var code = argument0 + ' ' + operator + ' ' + argument1;
+ return [code, order];
+};
+
+Blockly.JavaScript['logic_negate'] = function(block) {
+ // Negation.
+ var order = Blockly.JavaScript.ORDER_LOGICAL_NOT;
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL', order) ||
+ 'true';
+ var code = '!' + argument0;
+ return [code, order];
+};
+
+Blockly.JavaScript['logic_boolean'] = function(block) {
+ // Boolean values true and false.
+ var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'true' : 'false';
+ return [code, Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['logic_null'] = function(block) {
+ // Null data type.
+ return ['null', Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['logic_ternary'] = function(block) {
+ // Ternary operator.
+ var value_if = Blockly.JavaScript.valueToCode(block, 'IF',
+ Blockly.JavaScript.ORDER_CONDITIONAL) || 'false';
+ var value_then = Blockly.JavaScript.valueToCode(block, 'THEN',
+ Blockly.JavaScript.ORDER_CONDITIONAL) || 'null';
+ var value_else = Blockly.JavaScript.valueToCode(block, 'ELSE',
+ Blockly.JavaScript.ORDER_CONDITIONAL) || 'null';
+ var code = value_if + ' ? ' + value_then + ' : ' + value_else;
+ return [code, Blockly.JavaScript.ORDER_CONDITIONAL];
+};
diff --git a/blockly/generators/javascript/loops.js b/blockly/generators/javascript/loops.js
new file mode 100644
index 0000000..1a2ade5
--- /dev/null
+++ b/blockly/generators/javascript/loops.js
@@ -0,0 +1,175 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for loop blocks.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.loops');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['controls_repeat_ext'] = function(block) {
+ // Repeat n times.
+ if (block.getField('TIMES')) {
+ // Internal number.
+ var repeats = String(Number(block.getFieldValue('TIMES')));
+ } else {
+ // External number.
+ var repeats = Blockly.JavaScript.valueToCode(block, 'TIMES',
+ Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
+ }
+ var branch = Blockly.JavaScript.statementToCode(block, 'DO');
+ branch = Blockly.JavaScript.addLoopTrap(branch, block.id);
+ var code = '';
+ var loopVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ 'count', Blockly.Variables.NAME_TYPE);
+ var endVar = repeats;
+ if (!repeats.match(/^\w+$/) && !Blockly.isNumber(repeats)) {
+ var endVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ 'repeat_end', Blockly.Variables.NAME_TYPE);
+ code += 'var ' + endVar + ' = ' + repeats + ';\n';
+ }
+ code += 'for (var ' + loopVar + ' = 0; ' +
+ loopVar + ' < ' + endVar + '; ' +
+ loopVar + '++) {\n' +
+ branch + '}\n';
+ return code;
+};
+
+Blockly.JavaScript['controls_repeat'] =
+ Blockly.JavaScript['controls_repeat_ext'];
+
+Blockly.JavaScript['controls_whileUntil'] = function(block) {
+ // Do while/until loop.
+ var until = block.getFieldValue('MODE') == 'UNTIL';
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL',
+ until ? Blockly.JavaScript.ORDER_LOGICAL_NOT :
+ Blockly.JavaScript.ORDER_NONE) || 'false';
+ var branch = Blockly.JavaScript.statementToCode(block, 'DO');
+ branch = Blockly.JavaScript.addLoopTrap(branch, block.id);
+ if (until) {
+ argument0 = '!' + argument0;
+ }
+ return 'while (' + argument0 + ') {\n' + branch + '}\n';
+};
+
+Blockly.JavaScript['controls_for'] = function(block) {
+ // For loop.
+ var variable0 = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
+ Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
+ Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
+ var increment = Blockly.JavaScript.valueToCode(block, 'BY',
+ Blockly.JavaScript.ORDER_ASSIGNMENT) || '1';
+ var branch = Blockly.JavaScript.statementToCode(block, 'DO');
+ branch = Blockly.JavaScript.addLoopTrap(branch, block.id);
+ var code;
+ if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
+ Blockly.isNumber(increment)) {
+ // All arguments are simple numbers.
+ var up = parseFloat(argument0) <= parseFloat(argument1);
+ code = 'for (' + variable0 + ' = ' + argument0 + '; ' +
+ variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; ' +
+ variable0;
+ var step = Math.abs(parseFloat(increment));
+ if (step == 1) {
+ code += up ? '++' : '--';
+ } else {
+ code += (up ? ' += ' : ' -= ') + step;
+ }
+ code += ') {\n' + branch + '}\n';
+ } else {
+ code = '';
+ // Cache non-trivial values to variables to prevent repeated look-ups.
+ var startVar = argument0;
+ if (!argument0.match(/^\w+$/) && !Blockly.isNumber(argument0)) {
+ startVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ variable0 + '_start', Blockly.Variables.NAME_TYPE);
+ code += 'var ' + startVar + ' = ' + argument0 + ';\n';
+ }
+ var endVar = argument1;
+ if (!argument1.match(/^\w+$/) && !Blockly.isNumber(argument1)) {
+ var endVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ variable0 + '_end', Blockly.Variables.NAME_TYPE);
+ code += 'var ' + endVar + ' = ' + argument1 + ';\n';
+ }
+ // Determine loop direction at start, in case one of the bounds
+ // changes during loop execution.
+ var incVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ variable0 + '_inc', Blockly.Variables.NAME_TYPE);
+ code += 'var ' + incVar + ' = ';
+ if (Blockly.isNumber(increment)) {
+ code += Math.abs(increment) + ';\n';
+ } else {
+ code += 'Math.abs(' + increment + ');\n';
+ }
+ code += 'if (' + startVar + ' > ' + endVar + ') {\n';
+ code += Blockly.JavaScript.INDENT + incVar + ' = -' + incVar + ';\n';
+ code += '}\n';
+ code += 'for (' + variable0 + ' = ' + startVar + '; ' +
+ incVar + ' >= 0 ? ' +
+ variable0 + ' <= ' + endVar + ' : ' +
+ variable0 + ' >= ' + endVar + '; ' +
+ variable0 + ' += ' + incVar + ') {\n' +
+ branch + '}\n';
+ }
+ return code;
+};
+
+Blockly.JavaScript['controls_forEach'] = function(block) {
+ // For each loop.
+ var variable0 = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_ASSIGNMENT) || '[]';
+ var branch = Blockly.JavaScript.statementToCode(block, 'DO');
+ branch = Blockly.JavaScript.addLoopTrap(branch, block.id);
+ var code = '';
+ // Cache non-trivial values to variables to prevent repeated look-ups.
+ var listVar = argument0;
+ if (!argument0.match(/^\w+$/)) {
+ listVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ variable0 + '_list', Blockly.Variables.NAME_TYPE);
+ code += 'var ' + listVar + ' = ' + argument0 + ';\n';
+ }
+ var indexVar = Blockly.JavaScript.variableDB_.getDistinctName(
+ variable0 + '_index', Blockly.Variables.NAME_TYPE);
+ branch = Blockly.JavaScript.INDENT + variable0 + ' = ' +
+ listVar + '[' + indexVar + '];\n' + branch;
+ code += 'for (var ' + indexVar + ' in ' + listVar + ') {\n' + branch + '}\n';
+ return code;
+};
+
+Blockly.JavaScript['controls_flow_statements'] = function(block) {
+ // Flow statements: continue, break.
+ switch (block.getFieldValue('FLOW')) {
+ case 'BREAK':
+ return 'break;\n';
+ case 'CONTINUE':
+ return 'continue;\n';
+ }
+ throw 'Unknown flow statement.';
+};
diff --git a/blockly/generators/javascript/math.js b/blockly/generators/javascript/math.js
new file mode 100644
index 0000000..a31b943
--- /dev/null
+++ b/blockly/generators/javascript/math.js
@@ -0,0 +1,411 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for math blocks.
+ * @author q.neutron@gmail.com (Quynh Neutron)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.math');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['math_number'] = function(block) {
+ // Numeric value.
+ var code = parseFloat(block.getFieldValue('NUM'));
+ return [code, Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['math_arithmetic'] = function(block) {
+ // Basic arithmetic operators, and power.
+ var OPERATORS = {
+ 'ADD': [' + ', Blockly.JavaScript.ORDER_ADDITION],
+ 'MINUS': [' - ', Blockly.JavaScript.ORDER_SUBTRACTION],
+ 'MULTIPLY': [' * ', Blockly.JavaScript.ORDER_MULTIPLICATION],
+ 'DIVIDE': [' / ', Blockly.JavaScript.ORDER_DIVISION],
+ 'POWER': [null, Blockly.JavaScript.ORDER_COMMA] // Handle power separately.
+ };
+ var tuple = OPERATORS[block.getFieldValue('OP')];
+ var operator = tuple[0];
+ var order = tuple[1];
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
+ var code;
+ // Power in JavaScript requires a special case since it has no operator.
+ if (!operator) {
+ code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ }
+ code = argument0 + operator + argument1;
+ return [code, order];
+};
+
+Blockly.JavaScript['math_single'] = function(block) {
+ // Math operators with single operand.
+ var operator = block.getFieldValue('OP');
+ var code;
+ var arg;
+ if (operator == 'NEG') {
+ // Negation is a special case given its different operator precedence.
+ arg = Blockly.JavaScript.valueToCode(block, 'NUM',
+ Blockly.JavaScript.ORDER_UNARY_NEGATION) || '0';
+ if (arg[0] == '-') {
+ // --3 is not legal in JS.
+ arg = ' ' + arg;
+ }
+ code = '-' + arg;
+ return [code, Blockly.JavaScript.ORDER_UNARY_NEGATION];
+ }
+ if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
+ arg = Blockly.JavaScript.valueToCode(block, 'NUM',
+ Blockly.JavaScript.ORDER_DIVISION) || '0';
+ } else {
+ arg = Blockly.JavaScript.valueToCode(block, 'NUM',
+ Blockly.JavaScript.ORDER_NONE) || '0';
+ }
+ // First, handle cases which generate values that don't need parentheses
+ // wrapping the code.
+ switch (operator) {
+ case 'ABS':
+ code = 'Math.abs(' + arg + ')';
+ 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 = 'Math.round(' + arg + ')';
+ break;
+ case 'ROUNDUP':
+ code = 'Math.ceil(' + arg + ')';
+ break;
+ case 'ROUNDDOWN':
+ code = 'Math.floor(' + arg + ')';
+ 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.JavaScript.ORDER_FUNCTION_CALL];
+ }
+ // Second, handle cases which generate values that may need parentheses
+ // wrapping the code.
+ 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.JavaScript.ORDER_DIVISION];
+};
+
+Blockly.JavaScript['math_constant'] = function(block) {
+ // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+ var CONSTANTS = {
+ 'PI': ['Math.PI', Blockly.JavaScript.ORDER_MEMBER],
+ 'E': ['Math.E', Blockly.JavaScript.ORDER_MEMBER],
+ 'GOLDEN_RATIO':
+ ['(1 + Math.sqrt(5)) / 2', Blockly.JavaScript.ORDER_DIVISION],
+ 'SQRT2': ['Math.SQRT2', Blockly.JavaScript.ORDER_MEMBER],
+ 'SQRT1_2': ['Math.SQRT1_2', Blockly.JavaScript.ORDER_MEMBER],
+ 'INFINITY': ['Infinity', Blockly.JavaScript.ORDER_ATOMIC]
+ };
+ return CONSTANTS[block.getFieldValue('CONSTANT')];
+};
+
+Blockly.JavaScript['math_number_property'] = function(block) {
+ // 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.JavaScript.valueToCode(block, 'NUMBER_TO_CHECK',
+ Blockly.JavaScript.ORDER_MODULUS) || '0';
+ var dropdown_property = block.getFieldValue('PROPERTY');
+ var code;
+ if (dropdown_property == 'PRIME') {
+ // Prime is a special case as it is not a one-liner test.
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'mathIsPrime',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '(n) {',
+ ' // https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
+ ' if (n == 2 || n == 3) {',
+ ' return true;',
+ ' }',
+ ' // False if n is NaN, negative, is 1, or not whole.',
+ ' // And false if n is divisible by 2 or 3.',
+ ' if (isNaN(n) || n <= 1 || n % 1 != 0 || n % 2 == 0 ||' +
+ ' n % 3 == 0) {',
+ ' return false;',
+ ' }',
+ ' // Check all the numbers of form 6k +/- 1, up to sqrt(n).',
+ ' for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {',
+ ' if (n % (x - 1) == 0 || n % (x + 1) == 0) {',
+ ' return false;',
+ ' }',
+ ' }',
+ ' return true;',
+ '}']);
+ code = functionName + '(' + number_to_check + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ }
+ 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.JavaScript.valueToCode(block, 'DIVISOR',
+ Blockly.JavaScript.ORDER_MODULUS) || '0';
+ code = number_to_check + ' % ' + divisor + ' == 0';
+ break;
+ }
+ return [code, Blockly.JavaScript.ORDER_EQUALITY];
+};
+
+Blockly.JavaScript['math_change'] = function(block) {
+ // Add to a variable in place.
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'DELTA',
+ Blockly.JavaScript.ORDER_ADDITION) || '0';
+ var varName = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
+ return varName + ' = (typeof ' + varName + ' == \'number\' ? ' + varName +
+ ' : 0) + ' + argument0 + ';\n';
+};
+
+// Rounding functions have a single operand.
+Blockly.JavaScript['math_round'] = Blockly.JavaScript['math_single'];
+// Trigonometry functions have a single operand.
+Blockly.JavaScript['math_trig'] = Blockly.JavaScript['math_single'];
+
+Blockly.JavaScript['math_on_list'] = function(block) {
+ // Math functions for lists.
+ var func = block.getFieldValue('OP');
+ var list, code;
+ switch (func) {
+ case 'SUM':
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_MEMBER) || '[]';
+ code = list + '.reduce(function(x, y) {return x + y;})';
+ break;
+ case 'MIN':
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_COMMA) || '[]';
+ code = 'Math.min.apply(null, ' + list + ')';
+ break;
+ case 'MAX':
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_COMMA) || '[]';
+ code = 'Math.max.apply(null, ' + list + ')';
+ break;
+ case 'AVERAGE':
+ // mathMean([null,null,1,3]) == 2.0.
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'mathMean',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(myList) {',
+ ' return myList.reduce(function(x, y) {return x + y;}) / ' +
+ 'myList.length;',
+ '}']);
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_NONE) || '[]';
+ code = functionName + '(' + list + ')';
+ break;
+ case 'MEDIAN':
+ // mathMedian([null,null,1,3]) == 2.0.
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'mathMedian',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(myList) {',
+ ' var localList = myList.filter(function (x) ' +
+ '{return typeof x == \'number\';});',
+ ' if (!localList.length) return null;',
+ ' localList.sort(function(a, b) {return b - a;});',
+ ' if (localList.length % 2 == 0) {',
+ ' return (localList[localList.length / 2 - 1] + ' +
+ 'localList[localList.length / 2]) / 2;',
+ ' } else {',
+ ' return localList[(localList.length - 1) / 2];',
+ ' }',
+ '}']);
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_NONE) || '[]';
+ code = functionName + '(' + list + ')';
+ break;
+ case 'MODE':
+ // 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 functionName = Blockly.JavaScript.provideFunction_(
+ 'mathModes',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(values) {',
+ ' var modes = [];',
+ ' var counts = [];',
+ ' var maxCount = 0;',
+ ' for (var i = 0; i < values.length; i++) {',
+ ' var value = values[i];',
+ ' var found = false;',
+ ' var thisCount;',
+ ' for (var j = 0; j < counts.length; j++) {',
+ ' if (counts[j][0] === value) {',
+ ' thisCount = ++counts[j][1];',
+ ' found = true;',
+ ' break;',
+ ' }',
+ ' }',
+ ' if (!found) {',
+ ' counts.push([value, 1]);',
+ ' thisCount = 1;',
+ ' }',
+ ' maxCount = Math.max(thisCount, maxCount);',
+ ' }',
+ ' for (var j = 0; j < counts.length; j++) {',
+ ' if (counts[j][1] == maxCount) {',
+ ' modes.push(counts[j][0]);',
+ ' }',
+ ' }',
+ ' return modes;',
+ '}']);
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_NONE) || '[]';
+ code = functionName + '(' + list + ')';
+ break;
+ case 'STD_DEV':
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'mathStandardDeviation',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(numbers) {',
+ ' var n = numbers.length;',
+ ' if (!n) return null;',
+ ' var mean = numbers.reduce(function(x, y) {return x + y;}) / n;',
+ ' var variance = 0;',
+ ' for (var j = 0; j < n; j++) {',
+ ' variance += Math.pow(numbers[j] - mean, 2);',
+ ' }',
+ ' variance = variance / n;',
+ ' return Math.sqrt(variance);',
+ '}']);
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_NONE) || '[]';
+ code = functionName + '(' + list + ')';
+ break;
+ case 'RANDOM':
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'mathRandomList',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(list) {',
+ ' var x = Math.floor(Math.random() * list.length);',
+ ' return list[x];',
+ '}']);
+ list = Blockly.JavaScript.valueToCode(block, 'LIST',
+ Blockly.JavaScript.ORDER_NONE) || '[]';
+ code = functionName + '(' + list + ')';
+ break;
+ default:
+ throw 'Unknown operator: ' + func;
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['math_modulo'] = function(block) {
+ // Remainder computation.
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'DIVIDEND',
+ Blockly.JavaScript.ORDER_MODULUS) || '0';
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
+ Blockly.JavaScript.ORDER_MODULUS) || '0';
+ var code = argument0 + ' % ' + argument1;
+ return [code, Blockly.JavaScript.ORDER_MODULUS];
+};
+
+Blockly.JavaScript['math_constrain'] = function(block) {
+ // Constrain a number between two limits.
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_COMMA) || '0';
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'LOW',
+ Blockly.JavaScript.ORDER_COMMA) || '0';
+ var argument2 = Blockly.JavaScript.valueToCode(block, 'HIGH',
+ Blockly.JavaScript.ORDER_COMMA) || 'Infinity';
+ var code = 'Math.min(Math.max(' + argument0 + ', ' + argument1 + '), ' +
+ argument2 + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['math_random_int'] = function(block) {
+ // Random integer between [X] and [Y].
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
+ Blockly.JavaScript.ORDER_COMMA) || '0';
+ var argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
+ Blockly.JavaScript.ORDER_COMMA) || '0';
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'mathRandomInt',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(a, b) {',
+ ' if (a > b) {',
+ ' // Swap a and b to ensure a is smaller.',
+ ' var c = a;',
+ ' a = b;',
+ ' b = c;',
+ ' }',
+ ' return Math.floor(Math.random() * (b - a + 1) + a);',
+ '}']);
+ var code = functionName + '(' + argument0 + ', ' + argument1 + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['math_random_float'] = function(block) {
+ // Random fraction between 0 and 1.
+ return ['Math.random()', Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
diff --git a/blockly/generators/javascript/procedures.js b/blockly/generators/javascript/procedures.js
new file mode 100644
index 0000000..04845f9
--- /dev/null
+++ b/blockly/generators/javascript/procedures.js
@@ -0,0 +1,109 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for procedure blocks.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.procedures');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['procedures_defreturn'] = function(block) {
+ // Define a procedure with a return value.
+ var funcName = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('NAME'), Blockly.Procedures.NAME_TYPE);
+ var branch = Blockly.JavaScript.statementToCode(block, 'STACK');
+ if (Blockly.JavaScript.STATEMENT_PREFIX) {
+ branch = Blockly.JavaScript.prefixLines(
+ Blockly.JavaScript.STATEMENT_PREFIX.replace(/%1/g,
+ '\'' + block.id + '\''), Blockly.JavaScript.INDENT) + branch;
+ }
+ if (Blockly.JavaScript.INFINITE_LOOP_TRAP) {
+ branch = Blockly.JavaScript.INFINITE_LOOP_TRAP.replace(/%1/g,
+ '\'' + block.id + '\'') + branch;
+ }
+ var returnValue = Blockly.JavaScript.valueToCode(block, 'RETURN',
+ Blockly.JavaScript.ORDER_NONE) || '';
+ if (returnValue) {
+ returnValue = ' return ' + returnValue + ';\n';
+ }
+ var args = [];
+ for (var i = 0; i < block.arguments_.length; i++) {
+ args[i] = Blockly.JavaScript.variableDB_.getName(block.arguments_[i],
+ Blockly.Variables.NAME_TYPE);
+ }
+ var code = 'function ' + funcName + '(' + args.join(', ') + ') {\n' +
+ branch + returnValue + '}';
+ code = Blockly.JavaScript.scrub_(block, code);
+ // Add % so as not to collide with helper functions in definitions list.
+ Blockly.JavaScript.definitions_['%' + funcName] = code;
+ return null;
+};
+
+// Defining a procedure without a return value uses the same generator as
+// a procedure with a return value.
+Blockly.JavaScript['procedures_defnoreturn'] =
+ Blockly.JavaScript['procedures_defreturn'];
+
+Blockly.JavaScript['procedures_callreturn'] = function(block) {
+ // Call a procedure with a return value.
+ var funcName = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('NAME'), Blockly.Procedures.NAME_TYPE);
+ var args = [];
+ for (var i = 0; i < block.arguments_.length; i++) {
+ args[i] = Blockly.JavaScript.valueToCode(block, 'ARG' + i,
+ Blockly.JavaScript.ORDER_COMMA) || 'null';
+ }
+ var code = funcName + '(' + args.join(', ') + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['procedures_callnoreturn'] = function(block) {
+ // Call a procedure with no return value.
+ var funcName = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('NAME'), Blockly.Procedures.NAME_TYPE);
+ var args = [];
+ for (var i = 0; i < block.arguments_.length; i++) {
+ args[i] = Blockly.JavaScript.valueToCode(block, 'ARG' + i,
+ Blockly.JavaScript.ORDER_COMMA) || 'null';
+ }
+ var code = funcName + '(' + args.join(', ') + ');\n';
+ return code;
+};
+
+Blockly.JavaScript['procedures_ifreturn'] = function(block) {
+ // Conditionally return value from a procedure.
+ var condition = Blockly.JavaScript.valueToCode(block, 'CONDITION',
+ Blockly.JavaScript.ORDER_NONE) || 'false';
+ var code = 'if (' + condition + ') {\n';
+ if (block.hasReturnValue_) {
+ var value = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_NONE) || 'null';
+ code += ' return ' + value + ';\n';
+ } else {
+ code += ' return;\n';
+ }
+ code += '}\n';
+ return code;
+};
diff --git a/blockly/generators/javascript/text.js b/blockly/generators/javascript/text.js
new file mode 100644
index 0000000..9ecfdc3
--- /dev/null
+++ b/blockly/generators/javascript/text.js
@@ -0,0 +1,304 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for text blocks.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.texts');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['text'] = function(block) {
+ // Text value.
+ var code = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
+ return [code, Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['text_join'] = function(block) {
+ // Create a string made up of any number of elements of any type.
+ switch (block.itemCount_) {
+ case 0:
+ return ['\'\'', Blockly.JavaScript.ORDER_ATOMIC];
+ case 1:
+ var element = Blockly.JavaScript.valueToCode(block, 'ADD0',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ var code = 'String(' + element + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ case 2:
+ var element0 = Blockly.JavaScript.valueToCode(block, 'ADD0',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ var element1 = Blockly.JavaScript.valueToCode(block, 'ADD1',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ var code = 'String(' + element0 + ') + String(' + element1 + ')';
+ return [code, Blockly.JavaScript.ORDER_ADDITION];
+ default:
+ var elements = new Array(block.itemCount_);
+ for (var i = 0; i < block.itemCount_; i++) {
+ elements[i] = Blockly.JavaScript.valueToCode(block, 'ADD' + i,
+ Blockly.JavaScript.ORDER_COMMA) || '\'\'';
+ }
+ var code = '[' + elements.join(',') + '].join(\'\')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ }
+};
+
+Blockly.JavaScript['text_append'] = function(block) {
+ // Append to a variable in place.
+ var varName = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
+ var value = Blockly.JavaScript.valueToCode(block, 'TEXT',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ return varName + ' = String(' + varName + ') + String(' + value + ');\n';
+};
+
+Blockly.JavaScript['text_length'] = function(block) {
+ // String or array length.
+ var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
+ return [text + '.length', Blockly.JavaScript.ORDER_MEMBER];
+};
+
+Blockly.JavaScript['text_isEmpty'] = function(block) {
+ // Is the string null or array empty?
+ var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
+ return ['!' + text + '.length', Blockly.JavaScript.ORDER_LOGICAL_NOT];
+};
+
+Blockly.JavaScript['text_indexOf'] = function(block) {
+ // Search the text for a substring.
+ var operator = block.getFieldValue('END') == 'FIRST' ?
+ 'indexOf' : 'lastIndexOf';
+ var substring = Blockly.JavaScript.valueToCode(block, 'FIND',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
+ var code = text + '.' + operator + '(' + substring + ')';
+ // Adjust index if using one-based indices.
+ if (Blockly.JavaScript.ONE_BASED_INDEXING) {
+ return [code + ' + 1', Blockly.JavaScript.ORDER_ADDITION];
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['text_charAt'] = function(block) {
+ // Get letter at index.
+ // Note: Until January 2013 this block did not have the WHERE input.
+ var where = block.getFieldValue('WHERE') || 'FROM_START';
+ var textOrder = (where == 'RANDOM') ? Blockly.JavaScript.ORDER_NONE :
+ Blockly.JavaScript.ORDER_MEMBER;
+ var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ textOrder) || '\'\'';
+ switch (where) {
+ case 'FIRST':
+ var code = text + '.charAt(0)';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ case 'LAST':
+ var code = text + '.slice(-1)';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ case 'FROM_START':
+ var at = Blockly.JavaScript.getAdjusted(block, 'AT');
+ // Adjust index if using one-based indices.
+ var code = text + '.charAt(' + at + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ case 'FROM_END':
+ var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
+ var code = text + '.slice(' + at + ').charAt(0)';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ case 'RANDOM':
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'textRandomLetter',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(text) {',
+ ' var x = Math.floor(Math.random() * text.length);',
+ ' return text[x];',
+ '}']);
+ var code = functionName + '(' + text + ')';
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+ }
+ throw 'Unhandled option (text_charAt).';
+};
+
+/**
+ * Returns an expression calculating the index into a string.
+ * @private
+ * @param {string} stringName Name of the string, used to calculate length.
+ * @param {string} where The method of indexing, selected by dropdown in Blockly
+ * @param {string=} opt_at The optional offset when indexing from start/end.
+ * @return {string} Index expression.
+ */
+Blockly.JavaScript.text.getIndex_ = function(stringName, where, opt_at) {
+ if (where == 'FIRST') {
+ return '0';
+ } else if (where == 'FROM_END') {
+ return stringName + '.length - 1 - ' + opt_at;
+ } else if (where == 'LAST') {
+ return stringName + '.length - 1';
+ } else {
+ return opt_at;
+ }
+};
+
+Blockly.JavaScript['text_getSubstring'] = function(block) {
+ // Get substring.
+ var text = Blockly.JavaScript.valueToCode(block, 'STRING',
+ Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
+ var where1 = block.getFieldValue('WHERE1');
+ var where2 = block.getFieldValue('WHERE2');
+ if (where1 == 'FIRST' && where2 == 'LAST') {
+ var code = text;
+ } else if (text.match(/^'?\w+'?$/) ||
+ (where1 != 'FROM_END' && where1 != 'LAST' &&
+ where2 != 'FROM_END' && where2 != 'LAST')) {
+ // If the text is a variable or literal or doesn't require a call for
+ // length, don't generate a helper function.
+ switch (where1) {
+ case 'FROM_START':
+ var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
+ break;
+ case 'FROM_END':
+ var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
+ Blockly.JavaScript.ORDER_SUBTRACTION);
+ at1 = text + '.length - ' + at1;
+ break;
+ case 'FIRST':
+ var at1 = '0';
+ break;
+ default:
+ throw 'Unhandled option (text_getSubstring).';
+ }
+ switch (where2) {
+ case 'FROM_START':
+ var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
+ break;
+ case 'FROM_END':
+ var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
+ Blockly.JavaScript.ORDER_SUBTRACTION);
+ at2 = text + '.length - ' + at2;
+ break;
+ case 'LAST':
+ var at2 = text + '.length';
+ break;
+ default:
+ throw 'Unhandled option (text_getSubstring).';
+ }
+ code = text + '.slice(' + at1 + ', ' + at2 + ')';
+ } else {
+ var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
+ var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
+ var getIndex_ = Blockly.JavaScript.text.getIndex_;
+ var wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
+ 'FROM_START': 'FromStart', 'FROM_END': 'FromEnd'};
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(sequence' +
+ // The value for 'FROM_END' and'FROM_START' depends on `at` so
+ // we add it as a parameter.
+ ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', at1' : '') +
+ ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', at2' : '') +
+ ') {',
+ ' var start = ' + getIndex_('sequence', where1, 'at1') + ';',
+ ' var end = ' + getIndex_('sequence', where2, 'at2') + ' + 1;',
+ ' return sequence.slice(start, end);',
+ '}']);
+ var code = functionName + '(' + text +
+ // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
+ // pass it.
+ ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', ' + at1 : '') +
+ ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', ' + at2 : '') +
+ ')';
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['text_changeCase'] = function(block) {
+ // Change capitalization.
+ var OPERATORS = {
+ 'UPPERCASE': '.toUpperCase()',
+ 'LOWERCASE': '.toLowerCase()',
+ 'TITLECASE': null
+ };
+ var operator = OPERATORS[block.getFieldValue('CASE')];
+ var textOrder = operator ? Blockly.JavaScript.ORDER_MEMBER :
+ Blockly.JavaScript.ORDER_NONE;
+ var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
+ textOrder) || '\'\'';
+ if (operator) {
+ // Upper and lower case are functions built into JavaScript.
+ var code = text + operator;
+ } else {
+ // Title case is not a native JavaScript function. Define one.
+ var functionName = Blockly.JavaScript.provideFunction_(
+ 'textToTitleCase',
+ ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+ '(str) {',
+ ' return str.replace(/\\S+/g,',
+ ' function(txt) {return txt[0].toUpperCase() + ' +
+ 'txt.substring(1).toLowerCase();});',
+ '}']);
+ var code = functionName + '(' + text + ')';
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['text_trim'] = function(block) {
+ // Trim spaces.
+ var OPERATORS = {
+ 'LEFT': ".replace(/^[\\s\\xa0]+/, '')",
+ 'RIGHT': ".replace(/[\\s\\xa0]+$/, '')",
+ 'BOTH': '.trim()'
+ };
+ var operator = OPERATORS[block.getFieldValue('MODE')];
+ var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
+ Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
+ return [text + operator, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['text_print'] = function(block) {
+ // Print statement.
+ var msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ return 'window.alert(' + msg + ');\n';
+};
+
+Blockly.JavaScript['text_prompt_ext'] = function(block) {
+ // Prompt function.
+ if (block.getField('TEXT')) {
+ // Internal message.
+ var msg = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
+ } else {
+ // External message.
+ var msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
+ Blockly.JavaScript.ORDER_NONE) || '\'\'';
+ }
+ var code = 'window.prompt(' + msg + ')';
+ var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
+ if (toNumber) {
+ code = 'parseFloat(' + code + ')';
+ }
+ return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
+
+Blockly.JavaScript['text_prompt'] = Blockly.JavaScript['text_prompt_ext'];
diff --git a/blockly/generators/javascript/variables.js b/blockly/generators/javascript/variables.js
new file mode 100644
index 0000000..fe0135b
--- /dev/null
+++ b/blockly/generators/javascript/variables.js
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2012 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * 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 JavaScript for variable blocks.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.variables');
+
+goog.require('Blockly.JavaScript');
+
+
+Blockly.JavaScript['variables_get'] = function(block) {
+ // Variable getter.
+ var code = Blockly.JavaScript.variableDB_.getName(block.getFieldValue('VAR'),
+ Blockly.Variables.NAME_TYPE);
+ return [code, Blockly.JavaScript.ORDER_ATOMIC];
+};
+
+Blockly.JavaScript['variables_set'] = function(block) {
+ // Variable setter.
+ var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
+ Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
+ var varName = Blockly.JavaScript.variableDB_.getName(
+ block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
+ return varName + ' = ' + argument0 + ';\n';
+};
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-10-16 14:19:24 +0000