From: Dag Sverre Seljebotn <dagss@student.matnat.uio.no>
Date: Mon, 26 Oct 2009 11:56:23 +0000 (+0100)
Subject: Nicer error message for undeclared[idx]
X-Git-Tag: 0.12.alpha0~15
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=ebcf2c43ce0a8d0431a50aec222e562365cef0cd;p=cython.git

Nicer error message for undeclared[idx]
---

diff --git a/Cython/Compiler/ExprNodes.py b/Cython/Compiler/ExprNodes.py
index ce0a6f2e..2dcecf2e 100644
--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -1787,6 +1787,12 @@ class IndexNode(ExprNode):
         self.is_buffer_access = False
 
         self.base.analyse_types(env)
+        if self.base.type.is_error:
+            # Do not visit child tree if base is undeclared to avoid confusing
+            # error messages
+            self.type = PyrexTypes.error_type
+            return
+        
         # Handle the case where base is a literal char* (and we expect a string, not an int)
         if isinstance(self.base, BytesNode):
             self.base = self.base.coerce_to_pyobject(env)