Jacek Caban : jscript: Use bytecode for '*' expression implementation.

Alexandre Julliard julliard at winehq.org
Tue Nov 29 14:20:38 CST 2011


Module: wine
Branch: master
Commit: cf68237c8010f2b7fa8279753383cdf8e83067a4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=cf68237c8010f2b7fa8279753383cdf8e83067a4

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Tue Nov 29 11:08:54 2011 +0100

jscript: Use bytecode for '*' expression implementation.

---

 dlls/jscript/compile.c |    2 ++
 dlls/jscript/engine.c  |   15 ++++++++++++---
 dlls/jscript/engine.h  |    2 +-
 dlls/jscript/parser.y  |    2 +-
 4 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/dlls/jscript/compile.c b/dlls/jscript/compile.c
index 3ee3d40..a529fe7 100644
--- a/dlls/jscript/compile.c
+++ b/dlls/jscript/compile.c
@@ -364,6 +364,8 @@ static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
         return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
     case EXPR_MINUS:
         return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_minus);
+    case EXPR_MUL:
+        return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
     case EXPR_NEW:
         return compile_new_expression(ctx, (call_expression_t*)expr);
     case EXPR_NOTEQ:
diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index 273281e..5e60381 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -2323,13 +2323,22 @@ static HRESULT mul_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcep
 }
 
 /* ECMA-262 3rd Edition    11.5.1 */
-HRESULT mul_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
+HRESULT interp_mul(exec_ctx_t *ctx)
 {
-    binary_expression_t *expr = (binary_expression_t*)_expr;
+    VARIANT l, r;
+    HRESULT hres;
 
     TRACE("\n");
 
-    return binary_expr_eval(ctx, expr, mul_eval, ei, ret);
+    hres = stack_pop_number(ctx, &r);
+    if(FAILED(hres))
+        return hres;
+
+    hres = stack_pop_number(ctx, &l);
+    if(FAILED(hres))
+        return hres;
+
+    return stack_push_number(ctx, num_val(&l)*num_val(&r));
 }
 
 /* ECMA-262 3rd Edition    11.5.2 */
diff --git a/dlls/jscript/engine.h b/dlls/jscript/engine.h
index 807bb8a..120bf42 100644
--- a/dlls/jscript/engine.h
+++ b/dlls/jscript/engine.h
@@ -55,6 +55,7 @@ typedef struct _func_stack {
     X(jmp_nz,     0, ARG_ADDR,   0)        \
     X(jmp_z,      0, ARG_ADDR,   0)        \
     X(minus,      1, 0,0)                  \
+    X(mul,        1, 0,0)                  \
     X(neg,        1, 0,0)                  \
     X(neq,        1, 0,0)                  \
     X(neq2,       1, 0,0)                  \
@@ -555,7 +556,6 @@ HRESULT binary_or_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,
 HRESULT binary_xor_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT binary_and_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT instanceof_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
-HRESULT mul_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT div_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT mod_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
 HRESULT delete_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
diff --git a/dlls/jscript/parser.y b/dlls/jscript/parser.y
index 617c848..9b72d7f 100644
--- a/dlls/jscript/parser.y
+++ b/dlls/jscript/parser.y
@@ -1315,7 +1315,7 @@ static const expression_eval_t expression_eval_table[] = {
    compiled_expression_eval,
    compiled_expression_eval,
    compiled_expression_eval,
-   mul_expression_eval,
+   compiled_expression_eval,
    div_expression_eval,
    mod_expression_eval,
    delete_expression_eval,




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