Jacek Caban : jscript: Emit undefined statement return for switch without default clausule.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 353553e0aa716e14ed5788fbc4818ffe23b99eba
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=353553e0aa716e14ed5788fbc4...

Author: Jacek Caban 
Date:   Mon Apr  2 13:45:23 2012 +0200

jscript: Emit undefined statement return for switch without default clausule.

---

dlls/jscript/compile.c     |    5 ++++-
 dlls/jscript/tests/lang.js |    7 +++++++
 2 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/dlls/jscript/compile.c b/dlls/jscript/compile.c
index 1cbe5cb..0a66348 100644
--- a/dlls/jscript/compile.c
+++ b/dlls/jscript/compile.c
@@ -1515,8 +1515,11 @@ static HRESULT compile_switch_statement(compiler_ctx_t *ctx, switch_statement_t
         return hres;
     assert(i == case_cnt);

-    if(!have_default)
+    if(!have_default) {
         instr_ptr(ctx, default_jmp)->arg1.uint = ctx->code_off;
+        if(!push_instr(ctx, OP_undefined))
+            return E_OUTOFMEMORY;
+    }

label_set_addr(ctx, stat_ctx.break_label);
     return S_OK;
diff --git a/dlls/jscript/tests/lang.js b/dlls/jscript/tests/lang.js
index 8f5e5d5..41374e2 100644
--- a/dlls/jscript/tests/lang.js
+++ b/dlls/jscript/tests/lang.js
@@ -719,6 +719,13 @@ case false:
 }
 ok(state === "default", "state = " + state);

+switch(1) {
+case 2:
+    ok(false, "unexpected case 2");
+case 3:
+    ok(false, "unexpected case 3");
+}
+
 tmp = eval("1");
 ok(tmp === 1, "eval("1") !== 1");
 eval("{ ok(tmp === 1, 'eval: tmp !== 1'); } tmp = 2;");