From ed063894808f60a5e6c68d3fb24657f9671dcb3e Mon Sep 17 00:00:00 2001
From: Robert Bradshaw <robertwb@math.washington.edu>
Date: Fri, 15 Jan 2010 18:14:56 -0800
Subject: [PATCH] cpp () operator

---
 Cython/Compiler/ExprNodes.py     | 10 +++++++++-
 Cython/Compiler/Parsing.py       |  2 +-
 tests/run/cpp_operators.pyx      | 14 ++++++++++++++
 tests/run/cpp_operators_helper.h |  3 +++
 4 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/Cython/Compiler/ExprNodes.py b/Cython/Compiler/ExprNodes.py
index 6e9388b6..ffbacdec 100755
--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -2579,7 +2579,15 @@ class SimpleCallNode(CallNode):
         return func_type
     
     def analyse_c_function_call(self, env):
-        entry = PyrexTypes.best_match(self.args, self.function.entry.all_alternatives(), self.pos)
+        if self.function.type.is_cpp_class:
+            function = self.function.type.scope.lookup("operator()")
+            if function is None:
+                self.type = PyrexTypes.error_type
+                self.result_code = "<error>"
+                return
+        else:
+            function = self.function.entry
+        entry = PyrexTypes.best_match(self.args, function.all_alternatives(), self.pos)
         if not entry:
             self.type = PyrexTypes.error_type
             self.result_code = "<error>"
diff --git a/Cython/Compiler/Parsing.py b/Cython/Compiler/Parsing.py
index b1dd1847..a2bab288 100644
--- a/Cython/Compiler/Parsing.py
+++ b/Cython/Compiler/Parsing.py
@@ -2061,7 +2061,7 @@ supported_overloaded_operators = set([
     '+', '-', '*', '/', '%', 
     '++', '--', '~', '|', '&', '^', '<<', '>>',
     '==', '!=', '>=', '>', '<=', '<',
-    '[]',
+    '[]', '()',
 ])
 
 def p_c_simple_declarator(s, ctx, empty, is_type, cmethod_flag,
diff --git a/tests/run/cpp_operators.pyx b/tests/run/cpp_operators.pyx
index d1b85007..cdce50e8 100644
--- a/tests/run/cpp_operators.pyx
+++ b/tests/run/cpp_operators.pyx
@@ -34,6 +34,9 @@ cdef extern from "cpp_operators_helper.h":
         char* operator>(int)
         char* operator<(int)
 
+        char* operator[](int)
+        char* operator()(int)
+
 def test_unops():
     """
     >>> test_unops()
@@ -111,3 +114,14 @@ def test_cmp():
     print t[0] <= 1
     print t[0] < 1
     del t
+
+def test_index_call():
+    """
+    >>> test_index_call()
+    binary []
+    binary ()
+    """
+    cdef TestOps* t = new TestOps()
+    print t[0][100]
+    print t[0](100)
+    del t
diff --git a/tests/run/cpp_operators_helper.h b/tests/run/cpp_operators_helper.h
index f85218e1..b8372f27 100644
--- a/tests/run/cpp_operators_helper.h
+++ b/tests/run/cpp_operators_helper.h
@@ -38,4 +38,7 @@ public:
     BIN_OP(>=);
     BIN_OP(>);
 
+    BIN_OP([]);
+    BIN_OP(());
+
 };
-- 
2.26.2