Michael Karcher : widl: Dereference operator in expr works on any declared pointer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1c56d293f0087789d975ffe5c666fc442e015618
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1c56d293f0087789d975ffe5c666fc442e015618

Author: Michael Karcher <wine at mkarcher.dialup.fu-berlin.de>
Date:   Sun Jan 11 15:00:18 2009 +0100

widl: Dereference operator in expr works on any declared pointer.

---

 dlls/rpcrt4/tests/server.c   |   23 +++++++++++++++++++++++
 dlls/rpcrt4/tests/server.idl |    1 +
 tools/widl/expr.c            |    3 +++
 3 files changed, 27 insertions(+), 0 deletions(-)

diff --git a/dlls/rpcrt4/tests/server.c b/dlls/rpcrt4/tests/server.c
index df0cdfd..fe4a1e8 100644
--- a/dlls/rpcrt4/tests/server.c
+++ b/dlls/rpcrt4/tests/server.c
@@ -227,6 +227,23 @@ s_sum_conf_array(int x[], int n)
 }
 
 int
+s_sum_conf_ptr_by_conf_ptr(int n1, int *n2_then_x1, int *x2)
+{
+  int i;
+  int sum = 0;
+  if(n1 == 0)
+    return 0;
+
+  for(i = 1; i < n1; ++i)
+    sum += n2_then_x1[i];
+
+  for(i = 0; i < *n2_then_x1; ++i)
+    sum += x2[i];
+
+  return sum;
+}
+
+int
 s_sum_unique_conf_array(int x[], int n)
 {
   return s_sum_conf_array(x, n);
@@ -1127,6 +1144,7 @@ array_tests(void)
     {{1, -2, 3, -4}, {2, 3, 5, 7}, {-4, -1, -14, 4114}}
   };
   int c[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+  int c2[] = {10, 100, 200};
   vector_t vs[2] = {{1, -2, 3}, {4, -5, -6}};
   cps_t cps;
   cpsc_t cpsc;
@@ -1147,6 +1165,11 @@ array_tests(void)
   ok(sum_conf_array(&c[7], 1) == 7, "RPC sum_conf_array\n");
   ok(sum_conf_array(&c[2], 0) == 0, "RPC sum_conf_array\n");
 
+  ok(sum_conf_ptr_by_conf_ptr(1, c2, c) == 45, "RPC sum_conf_ptr_by_conf_ptr");
+  ok(sum_conf_ptr_by_conf_ptr(3, c2, c) == 345, "RPC sum_conf_ptr_by_conf_ptr");
+  c2[0] = 0;
+  ok(sum_conf_ptr_by_conf_ptr(3, c2, c) == 300, "RPC sum_conf_ptr_by_conf_ptr");
+
   ok(sum_unique_conf_array(ca, 4) == -2, "RPC sum_unique_conf_array\n");
   ok(sum_unique_conf_ptr(ca, 5) == 3, "RPC sum_unique_conf_array\n");
   ok(sum_unique_conf_ptr(NULL, 10) == 0, "RPC sum_unique_conf_array\n");
diff --git a/dlls/rpcrt4/tests/server.idl b/dlls/rpcrt4/tests/server.idl
index 53ec016..254551e 100644
--- a/dlls/rpcrt4/tests/server.idl
+++ b/dlls/rpcrt4/tests/server.idl
@@ -121,6 +121,7 @@ cpp_quote("#endif")
   int test_list_length(test_list_t *ls);
   int sum_fixed_int_3d(int m[2][3][4]);
   int sum_conf_array([size_is(n)] int x[], int n);
+  int sum_conf_ptr_by_conf_ptr(int n1, [size_is(n1)] int *n2_then_x1, [size_is(*n2_then_x1)] int *x2);
   int sum_unique_conf_array([size_is(n), unique] int x[], int n);
   int sum_unique_conf_ptr([size_is(n), unique] int *x, int n);
   int sum_var_array([length_is(n)] int x[20], int n);
diff --git a/tools/widl/expr.c b/tools/widl/expr.c
index 7f0e26d..7717da3 100644
--- a/tools/widl/expr.c
+++ b/tools/widl/expr.c
@@ -470,6 +470,9 @@ static struct expression_type resolve_expression(const struct expr_loc *expr_loc
         result = resolve_expression(expr_loc, cont_type, e->ref);
         if (result.type && is_ptr(result.type))
             result.type = type_pointer_get_ref(result.type);
+        else if(result.type && is_array(result.type)
+                            && !result.type->declarray)
+            result.type = type_array_get_element(result.type);
         else
             error_loc_info(&expr_loc->v->loc_info, "dereference operator applied to non-pointer type in expression%s%s\n",
                            expr_loc->attr ? " for attribute " : "",