From 3f0fe438cd37bd9f9ece835b6f3bc90ed5566110 Mon Sep 17 00:00:00 2001
From: krasimir <krasimir@chalmers.se>
Date: Fri, 29 Apr 2016 14:06:24 +0000
Subject: a prototype for complex queries over expressions in libsg

---
 src/runtime/c/sg/sg.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/runtime/c/sg/sg.h')

diff --git a/src/runtime/c/sg/sg.h b/src/runtime/c/sg/sg.h
index a94c28cb7..32a89d096 100644
--- a/src/runtime/c/sg/sg.h
+++ b/src/runtime/c/sg/sg.h
@@ -30,6 +30,17 @@ sg_insert_expr(SgSG *sg, PgfExpr expr, int wrFlag, GuExn* err);
 PgfExpr
 sg_get_expr(SgSG *sg, SgId key, GuPool* out_pool, GuExn* err);
 
+typedef struct SgQueryExprResult SgQueryExprResult;
+
+SgQueryExprResult*
+sg_query_expr(SgSG *sg, PgfExpr expr, GuPool* pool, GuExn* err);
+
+PgfExpr
+sg_query_next(SgSG *sg, SgQueryExprResult* ctxt, SgId* pKey, GuPool* pool, GuExn* err);
+
+void
+sg_query_close(SgSG* sg, SgQueryExprResult* ctxt, GuExn* err);
+
 void
 sg_update_fts_index(SgSG* sg, PgfPGF* pgf, GuExn* err);
 
-- 
cgit v1.2.3