初始化提交

boards/default_src/python/generators/utility.js

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+/**
+ * @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 Python for utility blocks.
+ * @author acbart@vt.edu (Austin Cory Bart)
+ */
+
+export const raw_block = function (block) {
+    var code = block.getFieldValue('TEXT') + "\n";
+    return code;
+}
+
+export const raw_expression = function (block, generator) {
+    var code = block.getFieldValue('TEXT');
+    return [code, generator.ORDER_ATOMIC];
+}
+
+export const raw_empty = function (block, generator) {
+    var code = generator.valueToCode(block, 'VALUE',
+        generator.ORDER_ATOMIC) || '';
+    return code + "\n";
+}
+
+export const raw_table = function () {
+    //var code = block.getFieldValue('TEXT')+"\n";
+    return '';//code;
+}
+
+export const type_check = function (block, generator) {
+    var value = generator.valueToCode(block, 'VALUE',
+        generator.ORDER_MEMBER) || '___';
+    var code = 'type(' + value + ')';
+    return [code, generator.ORDER_ATOMIC];
+}
+
+export const function_call = function (block, generator) {
+    var name = block.getFieldValue('NAME');
+    var hasReturn = block.hasReturn_;
+    var args = new Array(block.itemCount_);
+    for (var n = 0; n < block.itemCount_; n++) {
+        args[n] = generator.valueToCode(block, 'ARGUMENT' + n,
+            generator.ORDER_NONE) || '___';
+    }
+    var code = name + '(' + args.join(', ') + ')';
+    if (hasReturn) {
+        return [code, generator.ORDER_ATOMIC];
+    }
+    return code + '\n';
+}
+
+export const attribute_access = function (block, generator) {
+    var value_module = generator.valueToCode(block, 'MODULE', generator.ORDER_ATOMIC);
+    var value_name = generator.valueToCode(block, 'NAME', generator.ORDER_ATOMIC);
+    //去除掉两端的括号，如(val()) --> val()
+    value_name = value_name.substring(1, value_name.length - 1);
+    // TODO: Assemble JavaScript into code variable.
+    var code = value_module + '.' + value_name;
+    // TODO: Change ORDER_NONE to the correct strength.
+    return [code, generator.ORDER_NONE];
+}