static/compiler.js - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2012, Matt Godbolt
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.

 function parseLines(lines, callback) {
     var re = /^\/tmp\/[^:]+:([0-9]+)(:([0-9]+))?:\s+(.*)/;
     $.each(lines.split('\n'), function(_, line) {
         line = line.trim();
         if (line != "") {
             var match = line.match(re);
             if (match) {
                 callback(parseInt(match[1]), match[4]);
             } else {
                 callback(null, line);
             }
         }
     });
 }

 function clearBackground(cm) {
     for (var i = 0; i < cm.lineCount(); ++i) {
         cm.removeLineClass(i, "background", null);
     }
 }

 const NumRainbowColours = 12;

 function Compiler(domRoot, origFilters, windowLocalPrefix, onChangeCallback) {
     var compilersByExe = {};
     var pendingTimeout = null;
     var asmCodeMirror = null;
     var cppEditor = null;
     var lastRequest = null;
     var currentAssembly = null;
     var filters = origFilters;
     var ignoreChanges = true; // Horrible hack to avoid onChange doing anything on first starting, ie before we've set anything up.

     cppEditor = CodeMirror.fromTextArea(domRoot.find(".editor textarea")[0], {
         lineNumbers: true,
         gutters: ["CodeMirror-linenumbers", "info-margin"],
         matchBrackets: true,
         useCPP: true,
         mode: "text/x-c++src"
     });
     cppEditor.on("change", onChange);
     asmCodeMirror = CodeMirror.fromTextArea(domRoot.find(".asm textarea")[0], {
         lineNumbers: true,
                   matchBrackets: true,
                   mode: "text/x-asm",
                   readOnly: true
     });

     function getSetting(name) {
         return window.localStorage[windowLocalPrefix + "." + name];
     }
     function setSetting(name, value) {
         window.localStorage[windowLocalPrefix + "." + name] = value;
     }

     if (getSetting('code')) cppEditor.setValue(getSetting('code'));
     domRoot.find('.compiler').change(onCompilerChange);
     domRoot.find('.compiler_options').change(onChange).keyup(onChange);
     ignoreChanges = false;

     if (getSetting('compilerOptions')) {
         domRoot.find('.compiler_options').val(getSetting('compilerOptions'));
     }

     function makeErrNode(tooltip) {
         return $('<div></div>').text(">").addClass("error").attr("title", tooltip)[0];
     }

     function onCompileResponse(data) {
         var stdout = data.stdout || "";
         var stderr = data.stderr || "";
         if (data.code == 0) {
             stdout += "\nCompiled ok";
         } else {
             stderr += "\nCompilation failed";
         }
         $('.result .output :visible').remove();
         var highlightLine = (data.asm == null);
         for (var i = 0; i < cppEditor.lineCount(); ++i) cppEditor.setGutterMarker(i, "info-margin", null);
         parseLines(stderr + stdout, function(lineNum, msg) {
             var elem = $('.result .output .template').clone().appendTo('.result .output').removeClass('template');
             if (lineNum) {
                 cppEditor.setGutterMarker(lineNum - 1, "info-margin", makeErrNode(msg));
                 elem.html($('<a href="#">').append(lineNum + " : " + msg)).click(function() {
                     cppEditor.setSelection({line: lineNum - 1, ch: 0}, {line: lineNum, ch: 0});
                     return false;
                 });
             } else {
                 elem.text(msg);
             }
         });
         currentAssembly = data.asm || "[no output]";
         updateAsm();
     }

     function numberUsedLines(asm) {
         var sourceLines = {};
         $.each(asm, function(_, x) { if (x.source) sourceLines[x.source - 1] = true; });
         var ordinal = 0;
         $.each(sourceLines, function(k, _) { sourceLines[k] = ordinal++; });
         var asmLines = {};
         $.each(asm, function(index, x) { if (x.source) asmLines[index] = sourceLines[x.source - 1]; });
         return { source: sourceLines, asm: asmLines };
     }

     var lastUpdatedAsm = null;
     function updateAsm(forceUpdate) {
         if (!currentAssembly) return;
         var hashedUpdate = JSON.stringify({
             asm: currentAssembly,
             filters: filters
         });
         if (!forceUpdate && lastUpdatedAsm == hashedUpdate) { return; }
         lastUpdatedAsm = hashedUpdate;

         var asm = processAsm(currentAssembly, filters);
         var asmText = $.map(asm, function(x){ return x.text; }).join("\n");
         var numberedLines = numberUsedLines(asm);
         asmCodeMirror.setValue(asmText);

         clearBackground(cppEditor);
         clearBackground(asmCodeMirror);
         if (filters.colouriseAsm) {
             $.each(numberedLines.source, function(line, ordinal) {
                 cppEditor.addLineClass(parseInt(line), "background", "rainbow-" + (ordinal % NumRainbowColours));
             });
             $.each(numberedLines.asm, function(line, ordinal) {
                 asmCodeMirror.addLineClass(parseInt(line), "background", "rainbow-" + (ordinal % NumRainbowColours));
             });
         }
     }

     function pickOnlyRequestFilters(filters) {
         return {intel: !!filters.intel };
     }

     function onChange() {
         if (ignoreChanges) return;  // Ugly hack during startup.
         if (pendingTimeout) clearTimeout(pendingTimeout);
         pendingTimeout = setTimeout(function() {
             var data = {
                 source: cppEditor.getValue(),
                 compiler: $('.compiler').val(),
                 options: $('.compiler_options').val(),
                 filters: pickOnlyRequestFilters(filters)
             };
             setSetting('compiler', data.compiler);
             setSetting('compilerOptions', data.options);
             if (JSON.stringify(data) == JSON.stringify(lastRequest)) return;
             lastRequest = data;
             $.ajax({
                 type: 'POST',
                 url: '/compile',
                 dataType: 'json',
                 data: data,
                 success: onCompileResponse});
         }, 750);
         setSetting('code', cppEditor.getValue());
         updateAsm();
         onChangeCallback();
     }

     function setSource(code) {
         cppEditor.setValue(code);
     }

     function getSource() {
         return cppEditor.getValue();
     }

     function serialiseState() {
         var state = {
             source: cppEditor.getValue(),
             compiler: domRoot.find('.compiler').val(),
             options: domRoot.find('.compiler_options').val(),
         };
         return state;
     }

     function deserialiseState(state) {
         cppEditor.setValue(state.source);
         domRoot.find('.compiler').val(state.compiler);
         domRoot.find('.compiler_options').val(state.options);
         // Somewhat hackily persist compiler into local storage else when the ajax response comes in
         // with the list of compilers it can splat over the deserialized version.
         // The whole serialize/hash/localStorage code is a mess! TODO(mg): fix
         setSetting('compiler', state.compiler);
         updateAsm(true);  // Force the update to reset colours after calling cppEditor.setValue
         return true;
     }

     function onCompilerChange() {
         onChange();
         var compiler = compilersByExe[$('.compiler').val()];
         domRoot.find('.filter button.btn[value="intel"]').toggleClass("disabled", !compiler.supportedOpts["-masm"]);
     }

     function setCompilers(compilers) {
         domRoot.find('.compiler option').remove();
         compilersByExe = {};
         $.each(compilers, function(index, arg) {
             compilersByExe[arg.exe] = arg;
             domRoot.find('.compiler').append($('<option value="' + arg.exe + '">' + arg.version + '</option>'));
         });
         if (getSetting('compiler')) {
             domRoot.find('.compiler').val(getSetting('compiler'));
         }
         onCompilerChange();
     }

     function setFilters(f) {
         filters = f;
         onChange();  // used to just update ASM, but things like "Intel syntax" need a new request
     }

     return {
         serialiseState: serialiseState,
         deserialiseState: deserialiseState,
         setCompilers: setCompilers,
         getSource: getSource,
         setSource: setSource,
         setFilters: setFilters
     };
 }
	// Copyright (c) 2012, Matt Godbolt
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE.

	function parseLines(lines, callback) {
	var re = /^\/tmp\/[^:]+:([0-9]+)(:([0-9]+))?:\s+(.*)/;
	$.each(lines.split('\n'), function(_, line) {
	line = line.trim();
	if (line != "") {
	var match = line.match(re);
	if (match) {
	callback(parseInt(match[1]), match[4]);
	} else {
	callback(null, line);
	}
	}
	});
	}

	function clearBackground(cm) {
	for (var i = 0; i < cm.lineCount(); ++i) {
	cm.removeLineClass(i, "background", null);
	}
	}

	const NumRainbowColours = 12;

	function Compiler(domRoot, origFilters, windowLocalPrefix, onChangeCallback) {
	var compilersByExe = {};
	var pendingTimeout = null;
	var asmCodeMirror = null;
	var cppEditor = null;
	var lastRequest = null;
	var currentAssembly = null;
	var filters = origFilters;
	var ignoreChanges = true; // Horrible hack to avoid onChange doing anything on first starting, ie before we've set anything up.

	cppEditor = CodeMirror.fromTextArea(domRoot.find(".editor textarea")[0], {
	lineNumbers: true,
	gutters: ["CodeMirror-linenumbers", "info-margin"],
	matchBrackets: true,
	useCPP: true,
	mode: "text/x-c++src"
	});
	cppEditor.on("change", onChange);
	asmCodeMirror = CodeMirror.fromTextArea(domRoot.find(".asm textarea")[0], {
	lineNumbers: true,
	matchBrackets: true,
	mode: "text/x-asm",
	readOnly: true
	});

	function getSetting(name) {
	return window.localStorage[windowLocalPrefix + "." + name];
	}
	function setSetting(name, value) {
	window.localStorage[windowLocalPrefix + "." + name] = value;
	}

	if (getSetting('code')) cppEditor.setValue(getSetting('code'));
	domRoot.find('.compiler').change(onCompilerChange);
	domRoot.find('.compiler_options').change(onChange).keyup(onChange);
	ignoreChanges = false;

	if (getSetting('compilerOptions')) {
	domRoot.find('.compiler_options').val(getSetting('compilerOptions'));
	}

	function makeErrNode(tooltip) {
	return $('<div></div>').text(">").addClass("error").attr("title", tooltip)[0];
	}

	function onCompileResponse(data) {
	var stdout = data.stdout \|\| "";
	var stderr = data.stderr \|\| "";
	if (data.code == 0) {
	stdout += "\nCompiled ok";
	} else {
	stderr += "\nCompilation failed";
	}
	$('.result .output :visible').remove();
	var highlightLine = (data.asm == null);
	for (var i = 0; i < cppEditor.lineCount(); ++i) cppEditor.setGutterMarker(i, "info-margin", null);
	parseLines(stderr + stdout, function(lineNum, msg) {
	var elem = $('.result .output .template').clone().appendTo('.result .output').removeClass('template');
	if (lineNum) {
	cppEditor.setGutterMarker(lineNum - 1, "info-margin", makeErrNode(msg));
	elem.html($('<a href="#">').append(lineNum + " : " + msg)).click(function() {
	cppEditor.setSelection({line: lineNum - 1, ch: 0}, {line: lineNum, ch: 0});
	return false;
	});
	} else {
	elem.text(msg);
	}
	});
	currentAssembly = data.asm \|\| "[no output]";
	updateAsm();
	}

	function numberUsedLines(asm) {
	var sourceLines = {};
	$.each(asm, function(_, x) { if (x.source) sourceLines[x.source - 1] = true; });
	var ordinal = 0;
	$.each(sourceLines, function(k, _) { sourceLines[k] = ordinal++; });
	var asmLines = {};
	$.each(asm, function(index, x) { if (x.source) asmLines[index] = sourceLines[x.source - 1]; });
	return { source: sourceLines, asm: asmLines };
	}

	var lastUpdatedAsm = null;
	function updateAsm(forceUpdate) {
	if (!currentAssembly) return;
	var hashedUpdate = JSON.stringify({
	asm: currentAssembly,
	filters: filters
	});
	if (!forceUpdate && lastUpdatedAsm == hashedUpdate) { return; }
	lastUpdatedAsm = hashedUpdate;

	var asm = processAsm(currentAssembly, filters);
	var asmText = $.map(asm, function(x){ return x.text; }).join("\n");
	var numberedLines = numberUsedLines(asm);
	asmCodeMirror.setValue(asmText);

	clearBackground(cppEditor);
	clearBackground(asmCodeMirror);
	if (filters.colouriseAsm) {
	$.each(numberedLines.source, function(line, ordinal) {
	cppEditor.addLineClass(parseInt(line), "background", "rainbow-" + (ordinal % NumRainbowColours));
	});
	$.each(numberedLines.asm, function(line, ordinal) {
	asmCodeMirror.addLineClass(parseInt(line), "background", "rainbow-" + (ordinal % NumRainbowColours));
	});
	}
	}

	function pickOnlyRequestFilters(filters) {
	return {intel: !!filters.intel };
	}

	function onChange() {
	if (ignoreChanges) return; // Ugly hack during startup.
	if (pendingTimeout) clearTimeout(pendingTimeout);
	pendingTimeout = setTimeout(function() {
	var data = {
	source: cppEditor.getValue(),
	compiler: $('.compiler').val(),
	options: $('.compiler_options').val(),
	filters: pickOnlyRequestFilters(filters)
	};
	setSetting('compiler', data.compiler);
	setSetting('compilerOptions', data.options);
	if (JSON.stringify(data) == JSON.stringify(lastRequest)) return;
	lastRequest = data;
	$.ajax({
	type: 'POST',
	url: '/compile',
	dataType: 'json',
	data: data,
	success: onCompileResponse});
	}, 750);
	setSetting('code', cppEditor.getValue());
	updateAsm();
	onChangeCallback();
	}

	function setSource(code) {
	cppEditor.setValue(code);
	}

	function getSource() {
	return cppEditor.getValue();
	}

	function serialiseState() {
	var state = {
	source: cppEditor.getValue(),
	compiler: domRoot.find('.compiler').val(),
	options: domRoot.find('.compiler_options').val(),
	};
	return state;
	}

	function deserialiseState(state) {
	cppEditor.setValue(state.source);
	domRoot.find('.compiler').val(state.compiler);
	domRoot.find('.compiler_options').val(state.options);
	// Somewhat hackily persist compiler into local storage else when the ajax response comes in
	// with the list of compilers it can splat over the deserialized version.
	// The whole serialize/hash/localStorage code is a mess! TODO(mg): fix
	setSetting('compiler', state.compiler);
	updateAsm(true); // Force the update to reset colours after calling cppEditor.setValue
	return true;
	}

	function onCompilerChange() {
	onChange();
	var compiler = compilersByExe[$('.compiler').val()];
	domRoot.find('.filter button.btn[value="intel"]').toggleClass("disabled", !compiler.supportedOpts["-masm"]);
	}

	function setCompilers(compilers) {
	domRoot.find('.compiler option').remove();
	compilersByExe = {};
	$.each(compilers, function(index, arg) {
	compilersByExe[arg.exe] = arg;
	domRoot.find('.compiler').append($('<option value="' + arg.exe + '">' + arg.version + '</option>'));
	});
	if (getSetting('compiler')) {
	domRoot.find('.compiler').val(getSetting('compiler'));
	}
	onCompilerChange();
	}

	function setFilters(f) {
	filters = f;
	onChange(); // used to just update ASM, but things like "Intel syntax" need a new request
	}

	return {
	serialiseState: serialiseState,
	deserialiseState: deserialiseState,
	setCompilers: setCompilers,
	getSource: getSource,
	setSource: setSource,
	setFilters: setFilters
	};
	}