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/*
* Copyright 2017 WebAssembly Community Group participants
*
* 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.
*/
var editorEl = document.querySelector('.editor');
var uploadEl = document.getElementById('upload');
var selectEl = document.getElementById('select');
var uploadInputEl = document.getElementById('uploadInput');
var generateNamesEl = document.getElementById('generateNames');
var foldExprsEl = document.getElementById('foldExprs');
var inlineExportEl = document.getElementById('inlineExport');
var readDebugNamesEl = document.getElementById('readDebugNames');
var options = {mode: 'wast', lineNumbers: true};
var editor = CodeMirror.fromTextArea(editorEl, options);
var fileBuffer = null;
function compile(contents) {
if (!contents) {
return;
}
var readDebugNames = readDebugNamesEl.checked;
var generateNames = generateNamesEl.checked;
var foldExprs = foldExprsEl.checked;
var inlineExport = inlineExportEl.checked;
WabtModule().then(function(wabt) {
try {
var module = wabt.readWasm(contents, {readDebugNames: readDebugNames});
if (generateNames) {
module.generateNames();
module.applyNames();
}
var result =
module.toText({foldExprs: foldExprs, inlineExport: inlineExport});
editor.setValue(result);
} catch (e) {
editor.setValue(e.toString());
} finally {
if (module) module.destroy();
}
});
}
function onUploadClicked(e) {
uploadInput.value = '';
// See https://developer.mozilla.com/en-US/docs/Web/API/MouseEvent
var event = new MouseEvent('click', {
view: window,
bubbles: true,
cancelable: true,
});
uploadInput.dispatchEvent(event);
}
function onUploadedFile(e) {
var file = e.target.files[0];
var reader = new FileReader();
reader.onload = function(e) {
fileBuffer = new Uint8Array(e.target.result);
compile(fileBuffer);
};
reader.readAsArrayBuffer(file);
}
function recompileIfChanged(el) {
el.addEventListener('change', function() { compile(fileBuffer); });
}
function setExample(index) {
var contents = examples[index].contents;
fileBuffer = contents;
compile(contents);
}
function onSelectChanged(e) {
setExample(this.selectedIndex);
}
uploadEl.addEventListener('click', onUploadClicked);
uploadInputEl.addEventListener('change', onUploadedFile);
recompileIfChanged(generateNamesEl);
recompileIfChanged(foldExprsEl);
recompileIfChanged(inlineExportEl);
recompileIfChanged(readDebugNamesEl);
selectEl.addEventListener('change', onSelectChanged);
for (var i = 0; i < examples.length; ++i) {
var example = examples[i];
var option = document.createElement('option');
option.textContent = example.name;
selectEl.appendChild(option);
}
selectEl.selectedIndex = 0;
setExample(selectEl.selectedIndex);
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