Bump libuast version (#74)

* Bump libuast version Signed-off-by: Juanjo Alvarez <juanjo@sourced.tech>
bblfsh · Aug 16, 2018 · 65e3651 · 65e3651
1 parent a2109b5
commit 65e3651
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/Makefile b/Makefile
@@ -1,6 +1,6 @@
 # Package configuration
 PROJECT = client-go
-LIBUAST_VERSION ?= 2.0.0
+LIBUAST_VERSION ?= 2.0.1
 
 TOOLS_FOLDER = tools
 
@@ -65,4 +65,4 @@ unix-dependencies:
 	curl -SL https://github.com/bblfsh/libuast/archive/v$(LIBUAST_VERSION).tar.gz | tar xz
 	mv libuast-$(LIBUAST_VERSION)/src/* $(TOOLS_FOLDER)/.
 	rm -rf libuast-$(LIBUAST_VERSION)
-.PHONY: unix-dependencies
+.PHONY: unix-dependencies
diff --git a/tools/uast.cc b/tools/uast.cc
@@ -281,8 +281,11 @@ Nodes *UastFilter(const Uast *ctx, NodeHandle node, const char *query) {
 
     auto nodeset = queryResult.xpathObj->nodesetval;
     if (!nodeset) {
-        Error(nullptr, "Unable to get array of result nodes\n");
+      if (NodesSetSize(nodes, 0) != 0) {
+        Error(nullptr, "Unable to set nodes size\n");
         throw std::runtime_error("");
+      }
+      return nodes;
     }
 
     auto results = nodeset->nodeTab;