git » jacl.git » commit cb4a4d7

diff --git a/jacl.js b/jacl.js
index 378a49f..e36c048 100644
--- a/jacl.js
+++ b/jacl.js
@@ -1418,6 +1418,21 @@ const emitNode = (print, node) => {
       print('}');
       if (context === 'sval') print(')()');
       break;
+    case 'lambda':
+      print('(function(){\n');
+      // TODO enhance arg length check
+      print(`if(arguments.length!==${node.lambdaList.required.length})throw new Error("Invalid number of arguments: "+arguments.length);\n`);
+      let argidx = 0;
+      if (node.lambdaList.required.length) print('var ');
+      for (let i = 0; i < node.lambdaList.required.length; i++) {
+        print(mungeSym(node.lambdaList.required[i], 'local'));
+        print(`=arguments[${argidx++}]`);
+        if (i < node.lambdaList.required.length-1) print(',');
+      }
+      if (node.lambdaList.required.length) print(';');
+      emitBlock(print, node.statements, node.ret);
+      print('})');
+      break;
     case 'call':
       if (context === 'return') print('return ');
       emitNode(print, node.f);
@@ -1439,9 +1454,9 @@ const emitNode = (print, node) => {
         emitNode(print, node.elseNode);
         print(')');
       } else {
-        print('if(');
+        print('if(truth(');
         emitNode(print, node.testNode);
-        print(')\n\t');
+        print('))\n\t');
         emitNode(print, node.thenNode);
         print('else\n\t');
         emitNode(print, node.elseNode);
@@ -1490,12 +1505,12 @@ var buf = new BufferedStream(),
     console.log('read:', obj);
     const node = analyze(emptyEnv, null, obj);
     console.log('analyzed:', node);
-    //const sb = new StringBuffer();
-    //emitNode(sb.append.bind(sb), node);
-    //const code = sb.toString();
-    //console.log('generated:', code);
-    //const evald = eval(code);
-    //console.log('evaled:', evald);
+    const sb = new StringBuffer();
+    emitNode(sb.append.bind(sb), node);
+    const code = sb.toString();
+    console.log('generated:', code);
+    const evald = eval(code);
+    console.log('evaled:', evald);
     //console.log('parsed', parseLambdaList(evald));
   }
 })()