Added renderAST to js, added AST render tab to dingus.

Modified processInlines so it creates new objects instead
of modifying in place.  This way we can remove the extraneous
fields only needed for parsing.

2 files changed, 37 insertions, 7 deletions

diff --git a/js/lib/blocks.js b/js/lib/blocks.js
index 6cedb37..109661f 100644
--- a/js/lib/blocks.js
+++ b/js/lib/blocks.js
@@ -542,6 +542,7 @@ var finalize = function(block, line_number) {
     switch (block.t) {
     case 'Paragraph':
         block.string_content = block.strings.join('\n').replace(/^  */m,'');
+        // delete block.strings;
 
         // try parsing the beginning as link reference definitions:
         while (block.string_content.charCodeAt(0) === C_OPEN_BRACKET &&
@@ -613,26 +614,49 @@ var finalize = function(block, line_number) {
 };
 
 // Walk through a block & children recursively, parsing string content
-// into inline content where appropriate.
+// into inline content where appropriate.  Returns new object.
 var processInlines = function(block) {
+    var newblock = {};
+    newblock.t = block.t;
+    newblock.start_line = block.start_line;
+    newblock.start_column = block.start_column;
+    newblock.end_line = block.end_line;
+
     switch(block.t) {
     case 'Paragraph':
+        newblock.inline_content =
+            this.inlineParser.parse(block.string_content.trim(), this.refmap);
+        break;
     case 'SetextHeader':
     case 'ATXHeader':
-        block.inline_content =
+        newblock.inline_content =
             this.inlineParser.parse(block.string_content.trim(), this.refmap);
-        block.string_content = "";
+        newblock.level = block.level;
+        break;
+    case 'List':
+        newblock.list_data = block.list_data;
+        newblock.tight = block.tight;
+        break;
+    case 'FencedCode':
+        newblock.string_content = block.string_content;
+        newblock.info = block.info;
+        break;
+    case 'IndentedCode':
+    case 'HtmlBlock':
+        newblock.string_content = block.string_content;
         break;
     default:
         break;
     }
 
     if (block.children) {
+        var newchildren = [];
         for (var i = 0; i < block.children.length; i++) {
-            this.processInlines(block.children[i]);
+            newchildren.push(this.processInlines(block.children[i]));
         }
+        newblock.children = newchildren;
     }
-
+    return newblock;
 };
 
 // The main parsing function.  Returns a parsed document AST.
@@ -648,8 +672,7 @@ var parse = function(input) {
     while (this.tip) {
         this.finalize(this.tip, len - 1);
     }
-    this.processInlines(this.doc);
-    return this.doc;
+    return this.processInlines(this.doc);
 };
 
 
diff --git a/js/lib/index.js b/js/lib/index.js
index a8bf009..cfb8bf9 100755
--- a/js/lib/index.js
+++ b/js/lib/index.js
@@ -9,5 +9,12 @@
 // var renderer = new stmd.HtmlRenderer();
 // console.log(renderer.render(parser.parse('Hello *world*')));
 
+var util = require('util');
+
+var renderAST = function(tree) {
+    return util.inspect(tree, {depth: null});
+}
+
 module.exports.DocParser = require('./blocks');
 module.exports.HtmlRenderer = require('./html-renderer');
+module.exports.ASTRenderer = renderAST;