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jscript: Use bytecode for pre-decrement implementation.

This commit is contained in:
Jacek Caban 2011-12-08 12:02:23 +01:00 committed by Alexandre Julliard
parent 667cc2e68a
commit 4d0e360266
4 changed files with 4 additions and 37 deletions
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2
dlls/jscript/compile.c
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@ -651,6 +651,8 @@ static HRESULT compile_expression_noret(compiler_ctx_t *ctx, expression_t *expr,
return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, -1);
case EXPR_POSTINC:
return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, 1);
case EXPR_PREDEC:
return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, -1);
case EXPR_PREINC:
return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, 1);
case EXPR_SUB:

36
dlls/jscript/engine.c
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@ -2735,7 +2735,7 @@ static HRESULT interp_postinc(exec_ctx_t *ctx)
return stack_push(ctx, &v);
}
/* ECMA-262 3rd Edition 11.4.4 */
/* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
static HRESULT interp_preinc(exec_ctx_t *ctx)
{
const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
@ -2768,40 +2768,6 @@ static HRESULT interp_preinc(exec_ctx_t *ctx)
return stack_push(ctx, &v);
}
/* ECMA-262 3rd Edition 11.4.5 */
HRESULT pre_decrement_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
VARIANT val, num;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_value(ctx, &exprval, ei, &val);
if(SUCCEEDED(hres)) {
hres = to_number(ctx, &val, ei, &num);
VariantClear(&val);
}
if(SUCCEEDED(hres)) {
num_set_val(&val, num_val(&num)-1.0);
hres = put_value(ctx, &exprval, &val, ei);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
/* ECMA-262 3rd Edition 11.9.3 */
static HRESULT equal_values(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
{

1
dlls/jscript/engine.h
View File

@ -564,7 +564,6 @@ HRESULT binary_and_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*
HRESULT instanceof_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;
HRESULT typeof_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT pre_decrement_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT left_shift_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT right_shift_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT right2_shift_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;

2
dlls/jscript/parser.y
View File

@ -1325,7 +1325,7 @@ static const expression_eval_t expression_eval_table[] = {
compiled_expression_eval,
compiled_expression_eval,
compiled_expression_eval,
pre_decrement_expression_eval,
compiled_expression_eval,
compiled_expression_eval,
compiled_expression_eval,
compiled_expression_eval,