Jacek Caban : jscript: Added new helpers for jumps.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 53ecdb6549eccd84657d8b20ad0d9ba6dd7f987f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=53ecdb6549eccd84657d8b20ad...

Author: Jacek Caban 
Date:   Fri Mar 25 12:03:25 2016 +0100

jscript: Added new helpers for jumps.

Signed-off-by: Jacek Caban 
Signed-off-by: Alexandre Julliard

---

dlls/jscript/engine.c | 34 ++++++++++++++++++++++------------
 1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index 333df27..3118994 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -587,6 +587,16 @@ static inline double get_op_double(exec_ctx_t *ctx){
     return ctx->script->call_ctx->bytecode->instrs[ctx->ip].u.dbl;
 }

+static inline void jmp_next(exec_ctx_t *ctx)
+{
+    ctx->ip++;
+}
+
+static inline void jmp_abs(exec_ctx_t *ctx, unsigned dst)
+{
+    ctx->ip = dst;
+}
+
 /* ECMA-262 3rd Edition    12.2 */
 static HRESULT interp_var_set(exec_ctx_t *ctx)
 {
@@ -656,10 +666,10 @@ static HRESULT interp_forin(exec_ctx_t *ctx)
         if(FAILED(hres))
             return hres;

-        ctx->ip++;
+        jmp_next(ctx);
     }else {
         stack_popn(ctx, 4);
-        ctx->ip = arg;
+        jmp_abs(ctx, arg);
     }
     return S_OK;
 }
@@ -711,9 +721,9 @@ static HRESULT interp_case(exec_ctx_t *ctx)

if(b) {
         stack_popn(ctx, 1);
-        ctx->ip = arg;
+        jmp_abs(ctx, arg);
     }else {
-        ctx->ip++;
+        jmp_next(ctx);
     }
     return S_OK;
 }
@@ -1260,10 +1270,10 @@ static HRESULT interp_cnd_nz(exec_ctx_t *ctx)
         return hres;

if(b) {
-        ctx->ip = arg;
+        jmp_abs(ctx, arg);
     }else {
         stack_popn(ctx, 1);
-        ctx->ip++;
+        jmp_next(ctx);
     }
     return S_OK;
 }
@@ -1283,9 +1293,9 @@ static HRESULT interp_cnd_z(exec_ctx_t *ctx)

if(b) {
         stack_popn(ctx, 1);
-        ctx->ip++;
+        jmp_next(ctx);
     }else {
-        ctx->ip = arg;
+        jmp_abs(ctx, arg);
     }
     return S_OK;
 }
@@ -2327,7 +2337,7 @@ static HRESULT interp_jmp(exec_ctx_t *ctx)

TRACE("%u\n", arg);

-    ctx->ip = arg;
+    jmp_abs(ctx, arg);
     return S_OK;
 }

@@ -2347,9 +2357,9 @@ static HRESULT interp_jmp_z(exec_ctx_t *ctx)
         return hres;

if(b)
-        ctx->ip++;
+        jmp_next(ctx);
     else
-        ctx->ip = arg;
+        jmp_abs(ctx, arg);
     return S_OK;
 }

@@ -2367,7 +2377,7 @@ static HRESULT interp_ret(exec_ctx_t *ctx)
 {
     TRACE("\n");

-    ctx->ip = -1;
+    jmp_abs(ctx, -1);
     return S_OK;
 }