From 512505f9085781521c2e6693dde5e3d4bfbfee0d Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Tue, 9 Sep 2008 01:23:21 +0200
Subject: [PATCH] jscript: Added assign expression implementation.

---
 dlls/jscript/dispex.c  | 36 ++++++++++++++++++++++++++++++++++++
 dlls/jscript/engine.c  | 45 ++++++++++++++++++++++++++++++++++++++++++---
 dlls/jscript/jscript.h |  1 +
 3 files changed, 79 insertions(+), 3 deletions(-)

diff --git a/dlls/jscript/dispex.c b/dlls/jscript/dispex.c
index f27965500e6..5286b615731 100644
--- a/dlls/jscript/dispex.c
+++ b/dlls/jscript/dispex.c
@@ -838,6 +838,42 @@ HRESULT disp_call(IDispatch *disp, DISPID id, LCID lcid, WORD flags, DISPPARAMS
     return hres;
 }
 
+HRESULT disp_propput(IDispatch *disp, DISPID id, LCID lcid, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
+{
+    DISPID dispid = DISPID_PROPERTYPUT;
+    DISPPARAMS dp  = {val, &dispid, 1, 1};
+    IDispatchEx *dispex;
+    DispatchEx *jsdisp;
+    HRESULT hres;
+
+    jsdisp = iface_to_jsdisp((IUnknown*)disp);
+    if(jsdisp) {
+        dispex_prop_t *prop;
+
+        prop = get_prop(jsdisp, id);
+        if(prop)
+            hres = prop_put(jsdisp, prop, lcid, &dp, ei, caller);
+        else
+            hres = DISP_E_MEMBERNOTFOUND;
+
+        IDispatchEx_Release(_IDispatchEx_(jsdisp));
+        return hres;
+    }
+
+    hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
+    if(FAILED(hres)) {
+        ULONG err = 0;
+
+        TRACE("using IDispatch\n");
+        return IDispatch_Invoke(disp, id, &IID_NULL, DISPATCH_PROPERTYPUT, lcid, &dp, NULL, &ei->ei, &err);
+    }
+
+    hres = IDispatchEx_InvokeEx(dispex, id, lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, caller);
+
+    IDispatchEx_Release(dispex);
+    return hres;
+}
+
 HRESULT disp_propget(IDispatch *disp, DISPID id, LCID lcid, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
 {
     DISPPARAMS dp  = {NULL,NULL,0,0};
diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index e77993ed066..3f3d331ac44 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -141,6 +141,17 @@ static HRESULT disp_get_id(IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
     return hres;
 }
 
+/* ECMA-262 3rd Edition    8.7.2 */
+static HRESULT put_value(script_ctx_t *ctx, exprval_t *ref, VARIANT *v, jsexcept_t *ei)
+{
+    if(ref->type != EXPRVAL_IDREF) {
+        FIXME("throw ReferemceError\n");
+        return E_FAIL;
+    }
+
+    return disp_propput(ref->u.idref.disp, ref->u.idref.id, ctx->lcid, v, ei, NULL/*FIXME*/);
+}
+
 HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, jsexcept_t *ei, VARIANT *retv)
 {
     script_ctx_t *script = parser->script;
@@ -655,10 +666,38 @@ HRESULT right2_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD
     return E_NOTIMPL;
 }
 
-HRESULT assign_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
+/* ECMA-262 3rd Edition    11.13.1 */
+HRESULT assign_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    binary_expression_t *expr = (binary_expression_t*)_expr;
+    exprval_t exprval, exprvalr;
+    VARIANT rval;
+    HRESULT hres;
+
+    TRACE("\n");
+
+    hres = expr_eval(ctx, expr->expression1, EXPR_NEWREF, ei, &exprval);
+    if(FAILED(hres))
+        return hres;
+
+    hres = expr_eval(ctx, expr->expression2, 0, ei, &exprvalr);
+    if(SUCCEEDED(hres)) {
+        hres = exprval_to_value(ctx->parser->script, &exprvalr, ei, &rval);
+        exprval_release(&exprvalr);
+    }
+
+    if(SUCCEEDED(hres))
+        hres = put_value(ctx->parser->script, &exprval, &rval, ei);
+
+    exprval_release(&exprval);
+    if(FAILED(hres)) {
+        VariantClear(&rval);
+        return hres;
+    }
+
+    ret->type = EXPRVAL_VARIANT;
+    ret->u.var = rval;
+    return S_OK;
 }
 
 HRESULT assign_lshift_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
diff --git a/dlls/jscript/jscript.h b/dlls/jscript/jscript.h
index d1bfa9dbae8..45d7bca7685 100644
--- a/dlls/jscript/jscript.h
+++ b/dlls/jscript/jscript.h
@@ -89,6 +89,7 @@ struct DispatchEx {
 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
+HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 
 typedef struct named_item_t {
     IDispatch *disp;
-- 
2.11.4.GIT