From: Alan Knowles <alan@roojs.com>
Date: Thu, 3 Dec 2015 08:23:20 +0000 (+0800)
Subject: JSDOC/TokenStream.vala
X-Git-Url: http://git.roojs.org/?p=gnome.introspection-doc-generator;a=commitdiff_plain;h=933358405c947904a19df4df39a95c675b6ded8d

JSDOC/TokenStream.vala
---

diff --git a/JSDOC/TokenStream.vala b/JSDOC/TokenStream.vala
index 72a908b..9f7d311 100644
--- a/JSDOC/TokenStream.vala
+++ b/JSDOC/TokenStream.vala
@@ -80,8 +80,46 @@ namespace JSDOC {
 	       // return new Token("", "VOID", "STREAM_ERROR"); // because null isn't an object and caller always expects an object
 		    
 		}
-		
-		
+		// look through token stream, including white space...
+		public Token? lookAny (int n)
+		{
+
+
+		    if (considerWhitespace == true) {
+		    
+		        if (this.cursor+n < 0 || this.cursor+n > (this.tokens.size -1)) {
+		            return new Token("", "VOID", "START_OF_STREAM");
+		        }
+		        return this.tokens.get(this.cursor+n);
+		    }
+		    
+
+	        var count = 0;
+	        var i = this.cursor;
+
+	        while (true) {
+	            if (i < 0) {
+	        		return new Token("", "VOID", "START_OF_STREAM");
+	    		}
+	            if (i >= this.tokens.size) {
+	        		return new Token("", "VOID", "END_OF_STREAM");
+	    		}
+
+	            if (i != this.cursor && this.tokens.get(i).is("WHIT")) {
+	        		i += (n < 0) ? -1 : 1;
+	                continue;
+	            }
+	            
+	            if (count == n) {
+	                return this.tokens.get(i);
+	            }
+	            count++;
+	            i += (n < 0) ? -1 : 1;
+	        }
+
+	       // return new Token("", "VOID", "STREAM_ERROR"); // because null isn't an object and caller always expects an object
+		    
+		}