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jscript: Added '-' expression implementation.

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Jacek Caban 2008-09-16 20:46:01 +02:00 committed by Alexandre Julliard
parent 1a97632a4e
commit c3af87180a
2 changed files with 33 additions and 3 deletions
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28
dlls/jscript/engine.c
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@ -1502,10 +1502,32 @@ HRESULT add_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, j
return binary_expr_eval(ctx, expr, add_eval, ei, ret);
}
HRESULT sub_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
/* ECMA-262 3rd Edition 11.6.2 */
static HRESULT sub_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
FIXME("\n");
return E_NOTIMPL;
VARIANT lnum, rnum;
HRESULT hres;
hres = to_number(ctx->parser->script, lval, ei, &lnum);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, rval, ei, &rnum);
if(FAILED(hres))
return hres;
num_set_val(retv, num_val(&lnum) - num_val(&rnum));
return S_OK;
}
/* ECMA-262 3rd Edition 11.6.2 */
HRESULT sub_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, sub_eval, ei, ret);
}
HRESULT mul_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)

8
dlls/jscript/tests/lang.js
View file

@ -173,6 +173,14 @@ tmp = 1.5+2.5;
ok(tmp === 4, "1.4+2.5 !== 4");
ok(getVT(tmp) === "VT_I4", "getVT(1.5+2.5) !== VT_I4");
tmp = 4-2;
ok(tmp === 2, "4-2 !== 2");
ok(getVT(tmp) === "VT_I4", "getVT(4-2) !== VT_I4");
tmp = 4.5-2;
ok(tmp === 2.5, "4.5-2 !== 2.5");
ok(getVT(tmp) === "VT_R8", "getVT(4-2) !== VT_R8");
tmp = "ab" + "cd";
ok(tmp === "abcd", "\"ab\" + \"cd\" !== \"abcd\"");