Jacek Caban : jscript: Added minus expression implementation.
Alexandre Julliard
julliard at winehq.org
Wed Sep 17 07:14:50 CDT 2008
Module: wine
Branch: master
Commit: 5c1c923d5efd86a03bbddb9e574dc90727485691
URL: http://source.winehq.org/git/wine.git/?a=commit;h=5c1c923d5efd86a03bbddb9e574dc90727485691
Author: Jacek Caban <jacek at codeweavers.com>
Date: Tue Sep 16 20:47:43 2008 +0200
jscript: Added minus expression implementation.
---
dlls/jscript/engine.c | 29 ++++++++++++++++++++++++++---
dlls/jscript/tests/lang.js | 4 ++++
2 files changed, 30 insertions(+), 3 deletions(-)
diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index 93cfc6c..b700d33 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -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)
diff --git a/dlls/jscript/tests/lang.js b/dlls/jscript/tests/lang.js
index 911aa40..bd2cfc9 100644
--- a/dlls/jscript/tests/lang.js
+++ b/dlls/jscript/tests/lang.js
@@ -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");
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