Add option to view assembly using intel syntax

app.js

@@ -82,6 +82,7 @@ function compile(req, res) {
         return res.end(JSON.stringify({code: -1, stderr: "bad compiler " + compiler}));
     }
     var options = req.body.options.split(' ').filter(function(x){return x!=""});
+    var filters = req.body.filters;
     var optionsErr = checkOptions(options);
     if (optionsErr) {
         return res.end(JSON.stringify({code: -1, stderr: optionsErr}));
@@ -95,7 +96,9 @@ function compile(req, res) {
             return res.end(JSON.stringify({code: -1, stderr: "Unable to open temp file: " + err}));
         }
         var outputFilename = path.join(dirPath, 'output.S');
-        options = options.concat([ '-x', 'c++', '-g', '-o', outputFilename, '-S', '-']);
+        var syntax = '-masm=att'; // default at&t
+        if (filters["intel"]) syntax = '-masm=intel';
+        options = options.concat([ '-x', 'c++', '-g', '-o', outputFilename, '-S', syntax,'-']);
         var compilerWrapper = props.get("gcc-explorer", "compiler-wrapper");
         if (compilerWrapper) {
             options = [compiler].concat(options);

static/gcc.js

@@ -121,7 +121,8 @@ function onChange() {
         var data = { 
             source: cppEditor.getValue(),
             compiler: $('.compiler').val(),
-            options: $('.compiler_options').val()
+            options: $('.compiler_options').val(),
+            filters: getAsmFilters()
         };
         window.localStorage['compiler'] = data.compiler;
         window.localStorage['compilerOptions'] = data.options;

static/index.html

@@ -76,6 +76,7 @@
                             <button class="btn active" type="button" value="labels">Unused labels</button>
                             <button class="btn active" type="button" value="directives">Directives</button>
                             <button class="btn active" type="button" value="commentOnly">Comment-only lines</button>
+                            <button class="btn" type="button" value="intel">Intel syntax</button>
                             <button class="btn" type="button" value="colouriseAsm">Colourise</button>
                         </div>
                     </td></table>