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jscript: Added minus expression implementation.

This commit is contained in:
Jacek Caban 2008-09-16 20:47:43 +02:00 committed by Alexandre Julliard
parent 43f760ba17
commit 5c1c923d5e
2 changed files with 30 additions and 3 deletions
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29
dlls/jscript/engine.c
View File

@ -1674,10 +1674,33 @@ HRESULT typeof_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags
return S_OK;
}
HRESULT minus_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
/* ECMA-262 3rd Edition 11.4.7 */
HRESULT minus_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
FIXME("\n");
return E_NOTIMPL;
unary_expression_t *expr = (unary_expression_t*)_expr;
exprval_t exprval;
VARIANT val, num;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
num_set_val(&ret->u.var, -num_val(&num));
return S_OK;
}
HRESULT plus_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)

4
dlls/jscript/tests/lang.js
View File

@ -181,6 +181,10 @@ tmp = 4.5-2;
ok(tmp === 2.5, "4.5-2 !== 2.5");
ok(getVT(tmp) === "VT_R8", "getVT(4-2) !== VT_R8");
tmp = -2;
ok(tmp === 0-2, "-2 !== 0-2");
ok(getVT(tmp) === "VT_I4", "getVT(-2) !== VT_I4");
tmp = 2*3;
ok(tmp === 6, "2*3 !== 6");
ok(getVT(tmp) === "VT_I4", "getVT(2*3) !== VT_I4");