Handle preprocessor lines like "#pragma"

Objective-J/ObjJAcornCompiler.js

@@ -728,5 +728,10 @@ ObjectExpression: function(node, st, c) {
         }
         c(prop.value, st, "Expression");
     }
+},
+PreprocessStatement: function(node, st, c) {
+    CONCAT(st.compiler.jsBuffer, st.compiler.source.substring(st.compiler.lastPos, node.start));
+    st.compiler.lastPos = node.start;
+    CONCAT(st.compiler.jsBuffer, "//");
 }
 });

Objective-J/acorn.js

@@ -531,8 +531,6 @@ if (!exports.acorn) {
         ++tokPos;
       } else if (ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {
         ++tokPos;
-      } else if (ch === 35 && options.objj) {
-        skipLineComment(1);
       } else {
         break;
       }
@@ -699,6 +697,16 @@ if (!exports.acorn) {
         return readToken_at(code);
       return false;
 
+    case 35: // '#'
+      if (options.objj) {
+        var start = tokPos;
+        var ch = input.charCodeAt(++tokPos);
+        while (tokPos < inputLen && ch !== 10 && ch !== 13 && ch !== 8232 && ch !== 8329) // End of line
+          ch = input.charCodeAt(++tokPos);
+        return finishToken(_preprocess, input.slice(start, tokPos));
+      }
+      return false;
+
     case 126: // '~'
       return finishOp(_prefix, 1);
     }
@@ -1359,6 +1367,11 @@ if (!exports.acorn) {
       node.filename = parseStringNumRegExpLiteral();
       return finishNode(node, "ImportStatement");
 
+      // This is a Objective-J statement
+    case _preprocess:
+      next();
+      return finishNode(node, "PreprocessStatement");
+
       // If the statement does not start with a statement keyword or a
       // brace, it's an ExpressionStatement or LabeledStatement. We
       // simply start parsing an expression, and afterwards, if the

Objective-J/acornwalk.js

@@ -202,6 +202,8 @@ if (!exports.acorn) {
 
   exports.MethodDeclarationStatement = ignore;
 
+  exports.PreprocessStatement = ignore;
+
   exports.MethodDeclarationStatement = function(node, st, c) {
     c(node.body, st, "Statement");
   }