mirror of
https://github.com/yhirose/cpp-peglib.git
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120 lines
3.2 KiB
JavaScript
120 lines
3.2 KiB
JavaScript
// Setup editros
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const grammar = ace.edit("grammar-editor");
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grammar.setShowPrintMargin(false);
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grammar.setValue(localStorage.getItem('grammarText'));
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grammar.moveCursorTo(0, 0);
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const code = ace.edit("code-editor");
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code.setShowPrintMargin(false);
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code.setValue(localStorage.getItem('codeText'));
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code.moveCursorTo(0, 0);
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const codeAst = ace.edit("code-ast");
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codeAst.setShowPrintMargin(false);
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codeAst.setOptions({
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readOnly: true,
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highlightActiveLine: false,
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highlightGutterLine: false
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})
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codeAst.renderer.$cursorLayer.element.style.opacity=0;
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const codeAstOptimized = ace.edit("code-ast-optimized");
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codeAstOptimized.setShowPrintMargin(false);
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codeAstOptimized.setOptions({
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readOnly: true,
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highlightActiveLine: false,
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highlightGutterLine: false
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})
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codeAstOptimized.renderer.$cursorLayer.element.style.opacity=0;
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function generateErrorListHTML(errors) {
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let html = '<ul>';
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html += $.map(errors, function (x) {
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return '<li data-ln="' + x.ln + '" data-col="' + x.col + '"><span>' + x.ln + ':' + x.col + '</span> <span>' + x.msg + '</span></li>';
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}).join('');
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html += '<ul>';
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return html;
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}
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function parse() {
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const $grammarValidation = $('#grammar-validation');
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const $grammarInfo = $('#grammar-info');
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const grammarText = grammar.getValue();
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const $codeValidation = $('#code-validation');
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const $codeInfo = $('#code-info');
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const codeText = code.getValue();
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localStorage.setItem('grammarText', grammarText);
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localStorage.setItem('codeText', codeText);
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$grammarInfo.html('');
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$grammarValidation.hide();
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$codeInfo.html('');
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$codeValidation.hide();
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codeAst.setValue('');
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codeAstOptimized.setValue('');
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if (grammarText.length === 0) {
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return;
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}
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const data = JSON.parse(Module.lint(grammarText, codeText));
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const isValid = data.grammar.length === 0;
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if (isValid) {
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$grammarValidation.removeClass('editor-validation-invalid').text('Valid').show();
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const isValid = data.code.length === 0;
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if (isValid) {
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codeAst.insert(data.ast);
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codeAstOptimized.insert(data.astOptimized);
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$codeValidation.removeClass('editor-validation-invalid').text('Valid').show();
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} else {
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const html = generateErrorListHTML(data.code);
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$codeInfo.html(html);
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$codeValidation.addClass('editor-validation-invalid').text('Invalid').show();
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}
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} else {
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const html = generateErrorListHTML(data.grammar);
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$grammarInfo.html(html);
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$grammarValidation.addClass('editor-validation-invalid').text('Invalid').show();
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}
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}
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// Event handing for text editiing
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let timer;
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function setupTimer() {
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clearTimeout(timer);
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timer = setTimeout(parse, 750);
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};
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grammar.getSession().on('change', setupTimer);
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code.getSession().on('change', setupTimer);
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// Event handing in the info area
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function makeOnClickInInfo(editor) {
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return function () {
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const el = $(this);
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editor.navigateTo(el.data('ln') - 1, el.data('col') - 1);
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editor.focus();
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}
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};
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$('#grammar-info').on('click', 'li', makeOnClickInInfo(grammar));
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$('#code-info').on('click', 'li', makeOnClickInInfo(code));
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// Show page
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$('#main').css({
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'display': 'flex',
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});
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// WebAssembly
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var Module = {
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onRuntimeInitialized: function() {
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// Initial parse
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parse();
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}
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};
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