From 2e6c978e78f57d9b0de38a7c6bbe0296173a26ce Mon Sep 17 00:00:00 2001
From: Hackerpilot <briancschott@gmail.com>
Date: Fri, 18 Oct 2013 12:28:17 -0700
Subject: [PATCH] Fixes #30

---
 modulecache.d | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/modulecache.d b/modulecache.d
index 280033d..50d27cf 100644
--- a/modulecache.d
+++ b/modulecache.d
@@ -129,9 +129,14 @@ struct ModuleCache
 			LexerConfig config;
 			config.fileName = location;
 			auto tokens = source.byToken(config).array();
-			Module mod = parseModule(tokens, location, &doesNothing);
+			symbols = convertAstToSymbols(tokens, location);
 
-			symbols = convertAstToSymbols(mod, location);
+			// Parsing allocates a lot of AST nodes. We can greatly reduce the
+			// program's idle memory use by running the GC here.
+			// TODO: Re-visit this when D gets a precise GC.
+			import core.memory;
+			GC.collect();
+			GC.minimize();
 		}
 		catch (Exception ex)
 		{
@@ -208,5 +213,3 @@ private:
 	// Listing of paths to check for imports
 	static string[] importPaths;
 }
-
-private void doesNothing(string a, int b, int c, string d) {}