first working implementation of NodePath traverse tracking

SQUASHED: AUTO-COMMIT-demos-tom-plugin-explorer-worker.js,AUTO-COMMIT-demos-tom-trace.js,AUTO-COMMIT-demos-tom-TraceLogParser.js,AUTO-COMMIT-src-components-tools-lively-plugin-explorer-playground.workspace,

Author: BraunTom

demos/tom/TraceLogParser.js

@@ -98,6 +98,10 @@ export default class TraceLogParser {
                 }
             } else if(this.matchPeek('beginCondition')) {
                 this.parseCondition(section, [...higherSections, section]);
+            } else if(this.matchPeek('enterTraversePlugin')) {
+                this.parseTraversePlugin(section, [...higherSections, section]);
+            } else if(this.match('leaveTraversePlugin')) {
+                return section;
             } else if(this.matchPeek('astChangeEvent')) {
                 const change = this.consumeAsEvent();
 
@@ -122,6 +126,17 @@ export default class TraceLogParser {
         return section;
     }
 
+    parseTraversePlugin(section, higherSections) {
+        const entry = this.consume();
+        const plugin = new TraceSection('TraversePlugin:' + entry.data);
+        
+        section.addEntry(plugin);
+        
+        this.defaultParse(plugin, higherSections);
+        
+        return plugin;
+    }
+    
     parseCondition(section, higherSections) {
         const entry = this.consume();
         const condition = new TraceSection('Condition');

demos/tom/plugin-explorer-worker.js

@@ -149,44 +149,55 @@ self.onmessage = function(msg) {
 
                 config.plugins = config.plugins
                     .map(plugin => decorateFunction(plugin, result => {
-                        if(result.pre) {
-                            const oldPre = result.pre;
-                            result.pre = function(path) {
-                                const oldTraverse = path.prototype.traverse;
-                                path.prototype.traverse = function() {
-                                    trace.startTraversePlugin();
-                                    oldTraverse(...arguments);
-                                    trace.endTraversePlugin();
+                        const oldPre = result.pre;
+                        result.pre = function(state) {
+                            if(!state.preIsAlreadyDecorated) {
+                                const oldTraverse = state.path.__proto__.traverse;
+                                state.path.__proto__.traverse = function(visitors, ...rest) {
+                                    const newVisitors = {};
+                                    debugger
+                                    for (const name in visitors) {
+                                        if(typeof visitors[name] === 'function') {
+                                            const fn = visitors[name];
+                                            newVisitors[name] = function() {
+                                                trace.startTraversePlugin(name);
+                                                fn(...arguments);
+                                                trace.endTraversePlugin(name);
+                                            };
+                                        } else {
+                                            debugger
+                                        }
+
+                                    }
+
+                                    visitors = newVisitors;
+
+                                    debugger
+                                    oldTraverse.call(this, newVisitors, ...rest);
+
                                 }
+                                state.preIsAlreadyDecorated = true;
+                            }
+
+                            if(oldPre) {
                                 oldPre(...arguments);
-                            };
-                        } else {
-                            result.pre = function(path) {
-                                const oldTraverse = path.prototype.traverse;
-                                path.prototype.traverse = function() {
-                                    trace.startTraversePlugin();
-                                    oldTraverse(...arguments);
-                                    trace.endTraversePlugin();
-                                }
-                            };
+                            }
+
                         }
                 }));
 
                 trace.startTraversion();
-            debugger
                 const ast = babel.transform(msg.data.source, enumerationConfig(createTraceID)).ast;
                 const oldASTAsString = JSON.stringify(ast);
 
                 wrapAST(ast, trace);
                 let result
-                try {
+                //try {
                     result = babel.transformFromAst(ast, undefined, config);
-                } catch (e) {
+                /*} catch (e) {
                     result = null;
                     trace.error(e);
-                }
-            
-            debugger
+                }*/
 
                 const pluginsToUnload = Object.keys(System['@@registerRegistry']).filter(plugin => !
                     preloadedPlugins.has(plugin));

demos/tom/trace.js

@@ -148,6 +148,14 @@ export default class Trace {
     leavePlugin(name) {
         this.log(new Event('leavePlugin', name));
     }
+    
+    startTraversePlugin() {
+        this.log(new Event('enterTraversePlugin', name));
+    }
+    
+    endTraversePlugin() {
+        this.log(new Event('leaveTraversePlugin', name));
+    }
 
     /* Functions */
 

src/components/tools/lively-plugin-explorer-playground.workspace

@@ -1 +1 @@
-{"source":"/src/components/tools/lively-ast-explorer-example-source.js","plugin":"https://lively-kernel.org/lively4/lively4-tom/src/client/reactive/babel-plugin-active-expression-rewriting/index.js","options":{"autoUpdateAST":true,"autoUpdateTransformation":true,"autoExecute":true,"systemJS":false,"autoRunTests":false,"autoSaveWorkspace":false},"pluginSelection":[{"url":"https://lively-kernel.org/lively4/lively4-tom/src/client/reactive/babel-plugin-active-expression-rewriting/index.js"}]}
+{"source":"/src/components/tools/lively-ast-explorer-example-source.js","plugin":"https://lively-kernel.org/lively4/lively4-tom/demos/tom/playground.js","options":{"autoUpdateAST":true,"autoUpdateTransformation":true,"autoExecute":true,"systemJS":false,"autoRunTests":false,"autoSaveWorkspace":false},"pluginSelection":[{"url":"https://lively-kernel.org/lively4/lively4-tom/demos/tom/playground.js"}]}