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jscript: Added postfix increment expression implementation.

This commit is contained in:
Jacek Caban 2008-09-11 23:58:28 +02:00 committed by Alexandre Julliard
parent ce423c2e3b
commit b291b83a6b
2 changed files with 34 additions and 3 deletions
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35
dlls/jscript/engine.c
View File

@ -1536,10 +1536,39 @@ HRESULT plus_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, j
return E_NOTIMPL;
}
HRESULT post_increment_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
/* ECMA-262 3rd Edition 11.3.1 */
HRESULT post_increment_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;
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->parser->script, &exprval, ei, &val);
if(SUCCEEDED(hres)) {
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
}
if(SUCCEEDED(hres)) {
VARIANT inc;
num_set_val(&inc, num_val(&num)+1.0);
hres = put_value(ctx->parser->script, &exprval, &inc, ei);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = num;
return S_OK;
}
HRESULT post_decrement_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)

2
dlls/jscript/tests/lang.js
View File

@ -228,5 +228,7 @@ ok(++tmp === 2, "++tmp (1) is not 2");
ok(tmp === 2, "incremented tmp is not 2");
ok(--tmp === 1, "--tmp (2) is not 1");
ok(tmp === 1, "decremented tmp is not 1");
ok(tmp++ === 1, "tmp++ (1) is not 1");
ok(tmp === 2, "incremented tmp(1) is not 2");
reportSuccess();