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jscript: Use bytecode for typeof expression implementation.

This commit is contained in:
Jacek Caban 2011-12-13 11:57:11 +01:00 committed by Alexandre Julliard
parent 519600bdf1
commit 3caf287630
4 changed files with 118 additions and 46 deletions
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23
dlls/jscript/compile.c
View File

@ -534,6 +534,27 @@ static HRESULT compile_assign_expression(compiler_ctx_t *ctx, binary_expression_
return S_OK;
}
static HRESULT compile_typeof_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
{
jsop_t op;
HRESULT hres;
if(is_memberid_expr(expr->expression->type)) {
if(expr->expression->type == EXPR_IDENT)
return push_instr_str(ctx, OP_typeofident, ((identifier_expression_t*)expr->expression)->identifier);
op = OP_typeofid;
hres = compile_memberid_expression(ctx, expr->expression, 0);
}else {
op = OP_typeof;
hres = compile_expression(ctx, expr->expression);
}
if(FAILED(hres))
return hres;
return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
}
static HRESULT compile_literal(compiler_ctx_t *ctx, literal_t *literal)
{
switch(literal->type) {
@ -707,6 +728,8 @@ static HRESULT compile_expression_noret(compiler_ctx_t *ctx, expression_t *expr,
return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
case EXPR_THIS:
return push_instr(ctx, OP_this) == -1 ? E_OUTOFMEMORY : S_OK;
case EXPR_TYPEOF:
return compile_typeof_expression(ctx, (unary_expression_t*)expr);
case EXPR_VOID:
return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_void);
case EXPR_BXOR:

135
dlls/jscript/engine.c
View File

@ -32,6 +32,14 @@ WINE_DEFAULT_DEBUG_CHANNEL(jscript);
#define EXPR_NOVAL 0x0001
#define EXPR_NEWREF 0x0002
static const WCHAR booleanW[] = {'b','o','o','l','e','a','n',0};
static const WCHAR functionW[] = {'f','u','n','c','t','i','o','n',0};
static const WCHAR numberW[] = {'n','u','m','b','e','r',0};
static const WCHAR objectW[] = {'o','b','j','e','c','t',0};
static const WCHAR stringW[] = {'s','t','r','i','n','g',0};
static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
static const WCHAR unknownW[] = {'u','n','k','n','o','w','n',0};
struct _return_type_t {
enum{
RT_NORMAL,
@ -102,6 +110,15 @@ static inline HRESULT stack_push_int(exec_ctx_t *ctx, INT n)
return stack_push(ctx, &v);
}
static inline HRESULT stack_push_string(exec_ctx_t *ctx, const WCHAR *str)
{
VARIANT v;
V_VT(&v) = VT_BSTR;
V_BSTR(&v) = SysAllocString(str);
return V_BSTR(&v) ? stack_push(ctx, &v) : E_OUTOFMEMORY;
}
static HRESULT stack_push_objid(exec_ctx_t *ctx, IDispatch *disp, DISPID id)
{
VARIANT v;
@ -2456,34 +2473,9 @@ static HRESULT interp_void(exec_ctx_t *ctx)
}
/* ECMA-262 3rd Edition 11.4.3 */
static HRESULT typeof_exprval(script_ctx_t *ctx, exprval_t *exprval, jsexcept_t *ei, const WCHAR **ret)
static HRESULT typeof_string(VARIANT *v, const WCHAR **ret)
{
VARIANT val;
HRESULT hres;
static const WCHAR booleanW[] = {'b','o','o','l','e','a','n',0};
static const WCHAR functionW[] = {'f','u','n','c','t','i','o','n',0};
static const WCHAR numberW[] = {'n','u','m','b','e','r',0};
static const WCHAR objectW[] = {'o','b','j','e','c','t',0};
static const WCHAR stringW[] = {'s','t','r','i','n','g',0};
static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
static const WCHAR unknownW[] = {'u','n','k','n','o','w','n',0};
if(exprval->type == EXPRVAL_INVALID) {
*ret = undefinedW;
return S_OK;
}
hres = exprval_to_value(ctx, exprval, ei, &val);
if(FAILED(hres)) {
if(exprval->type == EXPRVAL_IDREF) {
*ret = unknownW;
return S_OK;
}
return hres;
}
switch(V_VT(&val)) {
switch(V_VT(v)) {
case VT_EMPTY:
*ret = undefinedW;
break;
@ -2503,7 +2495,7 @@ static HRESULT typeof_exprval(script_ctx_t *ctx, exprval_t *exprval, jsexcept_t
case VT_DISPATCH: {
jsdisp_t *dispex;
if(V_DISPATCH(&val) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(&val)))) {
if(V_DISPATCH(v) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(v)))) {
*ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
jsdisp_release(dispex);
}else {
@ -2512,39 +2504,94 @@ static HRESULT typeof_exprval(script_ctx_t *ctx, exprval_t *exprval, jsexcept_t
break;
}
default:
FIXME("unhandled vt %d\n", V_VT(&val));
hres = E_NOTIMPL;
FIXME("unhandled vt %d\n", V_VT(v));
return E_NOTIMPL;
}
VariantClear(&val);
return hres;
return S_OK;
}
HRESULT typeof_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
/* ECMA-262 3rd Edition 11.4.3 */
static HRESULT interp_typeofid(exec_ctx_t *ctx)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
const WCHAR *str = NULL;
exprval_t exprval;
const WCHAR *ret;
IDispatch *obj;
VARIANT v;
DISPID id;
HRESULT hres;
static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
obj = stack_pop_objid(ctx, &id);
if(!obj)
return stack_push_string(ctx, undefinedW);
V_VT(&v) = VT_EMPTY;
hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
IDispatch_Release(obj);
if(FAILED(hres))
return stack_push_string(ctx, unknownW);
hres = typeof_string(&v, &ret);
VariantClear(&v);
if(FAILED(hres))
return hres;
hres = typeof_exprval(ctx, &exprval, ei, &str);
return stack_push_string(ctx, ret);
}
/* ECMA-262 3rd Edition 11.4.3 */
static HRESULT interp_typeofident(exec_ctx_t *ctx)
{
const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
exprval_t exprval;
const WCHAR *ret;
VARIANT v;
HRESULT hres;
TRACE("%s\n", debugstr_w(arg));
hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
if(FAILED(hres))
return hres;
if(exprval.type == EXPRVAL_INVALID) {
hres = stack_push_string(ctx, undefinedW);
exprval_release(&exprval);
return hres;
}
hres = exprval_to_value(ctx->parser->script, &exprval, &ctx->ei, &v);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_BSTR;
V_BSTR(&ret->u.var) = SysAllocString(str);
if(!V_BSTR(&ret->u.var))
return E_OUTOFMEMORY;
hres = typeof_string(&v, &ret);
VariantClear(&v);
if(FAILED(hres))
return hres;
return S_OK;
return stack_push_string(ctx, ret);
}
/* ECMA-262 3rd Edition 11.4.3 */
static HRESULT interp_typeof(exec_ctx_t *ctx)
{
const WCHAR *ret;
VARIANT *v;
HRESULT hres;
TRACE("\n");
v = stack_pop(ctx);
hres = typeof_string(v, &ret);
VariantClear(v);
if(FAILED(hres))
return hres;
return stack_push_string(ctx, ret);
}
/* ECMA-262 3rd Edition 11.4.7 */

4
dlls/jscript/engine.h
View File

@ -91,6 +91,9 @@ typedef struct _func_stack {
X(throw, 0, ARG_UINT, 0) \
X(tonum, 1, 0,0) \
X(tree, 1, ARG_EXPR, 0) \
X(typeof, 1, 0,0) \
X(typeofid, 1, 0,0) \
X(typeofident,1, 0,0) \
X(refval, 1, 0,0) \
X(ret, 0, 0,0) \
X(sub, 1, 0,0) \
@ -567,7 +570,6 @@ HRESULT identifier_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*
HRESULT property_value_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT delete_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT typeof_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;
HRESULT compiled_expression_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*) DECLSPEC_HIDDEN;

2
dlls/jscript/parser.y
View File

@ -1319,7 +1319,7 @@ static const expression_eval_t expression_eval_table[] = {
compiled_expression_eval,
compiled_expression_eval,
compiled_expression_eval,
typeof_expression_eval,
compiled_expression_eval,
compiled_expression_eval,
compiled_expression_eval,
compiled_expression_eval,