78 lines
2.6 KiB
JavaScript
78 lines
2.6 KiB
JavaScript
/**
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* @license
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* Visual Blocks Language
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*
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* Copyright 2012 Google Inc.
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* https://developers.google.com/blockly/
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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 Generating Python for utility blocks.
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* @author acbart@vt.edu (Austin Cory Bart)
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*/
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export const raw_block = function (block) {
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var code = block.getFieldValue('TEXT') + "\n";
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return code;
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}
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export const raw_expression = function (block, generator) {
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var code = block.getFieldValue('TEXT');
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return [code, generator.ORDER_ATOMIC];
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}
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export const raw_empty = function (block, generator) {
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var code = generator.valueToCode(block, 'VALUE',
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generator.ORDER_ATOMIC) || '';
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return code + "\n";
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}
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export const raw_table = function () {
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//var code = block.getFieldValue('TEXT')+"\n";
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return '';//code;
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}
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export const type_check = function (block, generator) {
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var value = generator.valueToCode(block, 'VALUE',
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generator.ORDER_MEMBER) || '___';
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var code = 'type(' + value + ')';
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return [code, generator.ORDER_ATOMIC];
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}
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export const function_call = function (block, generator) {
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var name = block.getFieldValue('NAME');
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var hasReturn = block.hasReturn_;
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var args = new Array(block.itemCount_);
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for (var n = 0; n < block.itemCount_; n++) {
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args[n] = generator.valueToCode(block, 'ARGUMENT' + n,
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generator.ORDER_NONE) || '___';
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}
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var code = name + '(' + args.join(', ') + ')';
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if (hasReturn) {
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return [code, generator.ORDER_ATOMIC];
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}
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return code + '\n';
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}
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export const attribute_access = function (block, generator) {
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var value_module = generator.valueToCode(block, 'MODULE', generator.ORDER_ATOMIC);
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var value_name = generator.valueToCode(block, 'NAME', generator.ORDER_ATOMIC);
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//去除掉两端的括号，如(val()) --> val()
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value_name = value_name.substring(1, value_name.length - 1);
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// TODO: Assemble JavaScript into code variable.
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var code = value_module + '.' + value_name;
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// TODO: Change ORDER_NONE to the correct strength.
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return [code, generator.ORDER_NONE];
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} |