Add a variable lookup function.

1 files changed, 21 insertions, 0 deletions

diff --git a/LuaSL/src/LuaSL_compile.c b/LuaSL/src/LuaSL_compile.c
index 445014e..9abe55d 100644
--- a/LuaSL/src/LuaSL_compile.c
+++ b/LuaSL/src/LuaSL_compile.c
@@ -209,6 +209,27 @@ void burnLeaf(void *data)
     }
 }
 
+
+static LSL_Leaf *findVariable(LuaSL_compiler *compiler, const char *name)
+{
+    LSL_Block *block = compiler->currentBlock;
+    LSL_Leaf  *var = NULL;
+
+    if (name)
+    {
+        while ((block) && (NULL == var))
+        {
+            if (block->variables)
+                var = eina_hash_find(block->variables, name);
+            block = block->outerBlock;
+        }
+        if (NULL == var)
+            var = eina_hash_find(compiler->script.variables, name);
+    }
+
+    return var;
+}
+
 LSL_Leaf *addOperation(LuaSL_compiler *compiler, LSL_Leaf *left, LSL_Leaf *lval, LSL_Leaf *right)
 {
     gameGlobals *game = compiler->game;