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jscript: Use compiler for handling expression statements.

This commit is contained in:
Jacek Caban 2011-12-19 14:59:34 +01:00 committed by Alexandre Julliard
parent 2f3e27f09a
commit ccba279b89
4 changed files with 83 additions and 77 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
dlls/jscript/compile.c
View File

@ -865,11 +865,30 @@ static HRESULT compile_block_statement(compiler_ctx_t *ctx, statement_t *iter)
return S_OK;
}
/* ECMA-262 3rd Edition 12.4 */
static HRESULT compile_expression_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
{
BOOL no_ret = FALSE;
HRESULT hres;
hres = compile_expression_noret(ctx, stat->expr, &no_ret);
if(FAILED(hres))
return hres;
/* FIXME: that's a big potential optimization */
if(no_ret && !push_instr(ctx, OP_undefined) == -1)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT compile_statement(compiler_ctx_t *ctx, statement_t *stat)
{
switch(stat->type) {
case STAT_BLOCK:
return compile_block_statement(ctx, ((block_statement_t*)stat)->stat_list);
case STAT_EXPR:
return compile_expression_statement(ctx, (expression_statement_t*)stat);
default:
return compile_interp_fallback(ctx, stat);
}

136
dlls/jscript/engine.c
View File

@ -161,7 +161,7 @@ static HRESULT stack_pop_number(exec_ctx_t *ctx, VARIANT *r)
HRESULT hres;
v = stack_pop(ctx);
hres = to_number(ctx->parser->script, v, &ctx->ei, r);
hres = to_number(ctx->parser->script, v, ctx->ei, r);
VariantClear(v);
return hres;
}
@ -174,7 +174,7 @@ static HRESULT stack_pop_object(exec_ctx_t *ctx, IDispatch **r)
v = stack_pop(ctx);
if(V_VT(v) == VT_DISPATCH) {
if(!V_DISPATCH(v))
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
*r = V_DISPATCH(v);
return S_OK;
}
@ -186,12 +186,12 @@ static HRESULT stack_pop_object(exec_ctx_t *ctx, IDispatch **r)
static inline HRESULT stack_pop_int(exec_ctx_t *ctx, INT *r)
{
return to_int32(ctx->parser->script, stack_pop(ctx), &ctx->ei, r);
return to_int32(ctx->parser->script, stack_pop(ctx), ctx->ei, r);
}
static inline HRESULT stack_pop_uint(exec_ctx_t *ctx, DWORD *r)
{
return to_uint32(ctx->parser->script, stack_pop(ctx), &ctx->ei, r);
return to_uint32(ctx->parser->script, stack_pop(ctx), ctx->ei, r);
}
static inline IDispatch *stack_pop_objid(exec_ctx_t *ctx, DISPID *id)
@ -712,24 +712,6 @@ HRESULT empty_statement_eval(script_ctx_t *ctx, statement_t *stat, return_type_t
return S_OK;
}
/* ECMA-262 3rd Edition 12.4 */
HRESULT expression_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
expression_statement_t *stat = (expression_statement_t*)_stat;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, stat->expr, EXPR_NOVAL, &rt->ei, &val);
if(FAILED(hres))
return hres;
*ret = val;
TRACE("= %s\n", debugstr_variant(ret));
return S_OK;
}
/* ECMA-262 3rd Edition 12.5 */
HRESULT if_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
@ -1190,7 +1172,7 @@ static HRESULT interp_throw(exec_ctx_t *ctx)
TRACE("%08x\n", arg);
return throw_reference_error(ctx->parser->script, &ctx->ei, arg, NULL);
return throw_reference_error(ctx->parser->script, ctx->ei, arg, NULL);
}
static HRESULT interp_throw_type(exec_ctx_t *ctx)
@ -1200,7 +1182,7 @@ static HRESULT interp_throw_type(exec_ctx_t *ctx)
TRACE("%08x %s\n", hres, debugstr_w(str));
return throw_type_error(ctx->parser->script, &ctx->ei, hres, str);
return throw_type_error(ctx->parser->script, ctx->ei, hres, str);
}
/* ECMA-262 3rd Edition 12.14 */
@ -1344,7 +1326,7 @@ static HRESULT interp_array(exec_ctx_t *ctx)
return hres;
}
hres = to_string(ctx->parser->script, namev, &ctx->ei, &name);
hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
VariantClear(namev);
if(FAILED(hres)) {
IDispatch_Release(obj);
@ -1354,7 +1336,7 @@ static HRESULT interp_array(exec_ctx_t *ctx)
hres = disp_get_id(ctx->parser->script, obj, name, 0, &id);
SysFreeString(name);
if(SUCCEEDED(hres)) {
hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
}else if(hres == DISP_E_UNKNOWNNAME) {
V_VT(&v) = VT_EMPTY;
hres = S_OK;
@ -1420,7 +1402,7 @@ static HRESULT interp_member(exec_ctx_t *ctx)
hres = disp_get_id(ctx->parser->script, obj, arg, 0, &id);
if(SUCCEEDED(hres)) {
V_VT(&v) = VT_EMPTY;
hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
}else if(hres == DISP_E_UNKNOWNNAME) {
V_VT(&v) = VT_EMPTY;
hres = S_OK;
@ -1450,7 +1432,7 @@ static HRESULT interp_memberid(exec_ctx_t *ctx)
hres = to_object(ctx->parser->script, objv, &obj);
VariantClear(objv);
if(SUCCEEDED(hres)) {
hres = to_string(ctx->parser->script, namev, &ctx->ei, &name);
hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
if(FAILED(hres))
IDispatch_Release(obj);
}
@ -1485,9 +1467,9 @@ static HRESULT interp_refval(exec_ctx_t *ctx)
disp = stack_topn_objid(ctx, 0, &id);
if(!disp)
return throw_reference_error(ctx->parser->script, &ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
hres = disp_propget(ctx->parser->script, disp, id, &v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propget(ctx->parser->script, disp, id, &v, ctx->ei, NULL/*FIXME*/);
if(FAILED(hres))
return hres;
@ -1529,15 +1511,15 @@ static HRESULT interp_new(exec_ctx_t *ctx)
/* NOTE: Should use to_object here */
if(V_VT(constr) == VT_NULL)
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
else if(V_VT(constr) != VT_DISPATCH)
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_INVALID_ACTION, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_ACTION, NULL);
else if(!V_DISPATCH(constr))
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_INVALID_PROPERTY, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
jsstack_to_dp(ctx, arg, &dp);
hres = disp_call(ctx->parser->script, V_DISPATCH(constr), DISPID_VALUE,
DISPATCH_CONSTRUCT, &dp, &v, &ctx->ei, NULL/*FIXME*/);
DISPATCH_CONSTRUCT, &dp, &v, ctx->ei, NULL/*FIXME*/);
if(FAILED(hres))
return hres;
@ -1558,11 +1540,11 @@ static HRESULT interp_call(exec_ctx_t *ctx)
objv = stack_topn(ctx, argn);
if(V_VT(objv) != VT_DISPATCH)
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_INVALID_PROPERTY, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
jsstack_to_dp(ctx, argn, &dp);
hres = disp_call(ctx->parser->script, V_DISPATCH(objv), DISPID_VALUE, DISPATCH_METHOD, &dp,
do_ret ? &v : NULL, &ctx->ei, NULL/*FIXME*/);
do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
if(FAILED(hres))
return hres;
@ -1586,10 +1568,10 @@ static HRESULT interp_call_member(exec_ctx_t *ctx)
obj = stack_topn_objid(ctx, argn, &id);
if(!obj)
return throw_type_error(ctx->parser->script, &ctx->ei, id, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, id, NULL);
jsstack_to_dp(ctx, argn, &dp);
hres = disp_call(ctx->parser->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, &ctx->ei, NULL/*FIXME*/);
hres = disp_call(ctx->parser->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
if(FAILED(hres))
return hres;
@ -1640,11 +1622,11 @@ static HRESULT interp_ident(exec_ctx_t *ctx)
TRACE("%s\n", debugstr_w(arg));
hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &ctx->ei, &v);
hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
@ -1662,7 +1644,7 @@ static HRESULT interp_identid(exec_ctx_t *ctx)
TRACE("%s %x\n", debugstr_w(arg), flags);
hres = identifier_eval(ctx->parser->script, arg, flags, &ctx->ei, &exprval);
hres = identifier_eval(ctx->parser->script, arg, flags, ctx->ei, &exprval);
if(FAILED(hres))
return hres;
@ -1775,7 +1757,7 @@ static HRESULT interp_carray(exec_ctx_t *ctx)
i = arg;
while(i--) {
v = stack_pop(ctx);
hres = jsdisp_propput_idx(array, i, v, &ctx->ei, NULL/*FIXME*/);
hres = jsdisp_propput_idx(array, i, v, ctx->ei, NULL/*FIXME*/);
VariantClear(v);
if(FAILED(hres)) {
jsdisp_release(array);
@ -1819,7 +1801,7 @@ HRESULT interp_obj_prop(exec_ctx_t *ctx)
assert(V_VT(stack_top(ctx)) == VT_DISPATCH);
obj = as_jsdisp(V_DISPATCH(stack_top(ctx)));
hres = jsdisp_propput_name(obj, name, v, &ctx->ei, NULL/*FIXME*/);
hres = jsdisp_propput_name(obj, name, v, ctx->ei, NULL/*FIXME*/);
VariantClear(v);
return hres;
}
@ -1938,7 +1920,7 @@ static HRESULT interp_instanceof(exec_ctx_t *ctx)
v = stack_pop(ctx);
if(V_VT(v) != VT_DISPATCH || !V_DISPATCH(v)) {
VariantClear(v);
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
}
obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
@ -1949,9 +1931,9 @@ static HRESULT interp_instanceof(exec_ctx_t *ctx)
}
if(is_class(obj, JSCLASS_FUNCTION)) {
hres = jsdisp_propget_name(obj, prototypeW, &prot, &ctx->ei, NULL/*FIXME*/);
hres = jsdisp_propget_name(obj, prototypeW, &prot, ctx->ei, NULL/*FIXME*/);
}else {
hres = throw_type_error(ctx->parser->script, &ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
hres = throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
}
jsdisp_release(obj);
if(FAILED(hres))
@ -2000,10 +1982,10 @@ static HRESULT interp_in(exec_ctx_t *ctx)
if(V_VT(obj) != VT_DISPATCH || !V_DISPATCH(obj)) {
VariantClear(obj);
VariantClear(v);
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
}
hres = to_string(ctx->parser->script, v, &ctx->ei, &str);
hres = to_string(ctx->parser->script, v, ctx->ei, &str);
VariantClear(v);
if(FAILED(hres)) {
IDispatch_Release(V_DISPATCH(obj));
@ -2097,7 +2079,7 @@ static HRESULT interp_add(exec_ctx_t *ctx)
TRACE("%s + %s\n", debugstr_variant(l), debugstr_variant(r));
hres = add_eval(ctx->parser->script, l, r, &ctx->ei, &ret);
hres = add_eval(ctx->parser->script, l, r, ctx->ei, &ret);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2204,7 +2186,7 @@ static HRESULT interp_delete(exec_ctx_t *ctx)
return hres;
}
hres = to_string(ctx->parser->script, name_var, &ctx->ei, &name);
hres = to_string(ctx->parser->script, name_var, ctx->ei, &name);
VariantClear(name_var);
if(FAILED(hres)) {
IDispatch_Release(obj);
@ -2240,7 +2222,7 @@ static HRESULT interp_delete_ident(exec_ctx_t *ctx)
TRACE("%s\n", debugstr_w(arg));
hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
if(FAILED(hres))
return hres;
@ -2334,7 +2316,7 @@ static HRESULT interp_typeofid(exec_ctx_t *ctx)
return stack_push_string(ctx, undefinedW);
V_VT(&v) = VT_EMPTY;
hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
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);
@ -2358,7 +2340,7 @@ static HRESULT interp_typeofident(exec_ctx_t *ctx)
TRACE("%s\n", debugstr_w(arg));
hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
if(FAILED(hres))
return hres;
@ -2368,7 +2350,7 @@ static HRESULT interp_typeofident(exec_ctx_t *ctx)
return hres;
}
hres = exprval_to_value(ctx->parser->script, &exprval, &ctx->ei, &v);
hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
@ -2423,7 +2405,7 @@ static HRESULT interp_tonum(exec_ctx_t *ctx)
TRACE("\n");
v = stack_pop(ctx);
hres = to_number(ctx->parser->script, v, &ctx->ei, &num);
hres = to_number(ctx->parser->script, v, ctx->ei, &num);
VariantClear(v);
if(FAILED(hres))
return hres;
@ -2444,16 +2426,16 @@ static HRESULT interp_postinc(exec_ctx_t *ctx)
obj = stack_pop_objid(ctx, &id);
if(!obj)
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
if(SUCCEEDED(hres)) {
VARIANT n, inc;
hres = to_number(ctx->parser->script, &v, &ctx->ei, &n);
hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
if(SUCCEEDED(hres)) {
num_set_val(&inc, num_val(&n)+(double)arg);
hres = disp_propput(ctx->parser->script, obj, id, &inc, &ctx->ei, NULL/*FIXME*/);
hres = disp_propput(ctx->parser->script, obj, id, &inc, ctx->ei, NULL/*FIXME*/);
}
if(FAILED(hres))
VariantClear(&v);
@ -2478,17 +2460,17 @@ static HRESULT interp_preinc(exec_ctx_t *ctx)
obj = stack_pop_objid(ctx, &id);
if(!obj)
return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
if(SUCCEEDED(hres)) {
VARIANT n;
hres = to_number(ctx->parser->script, &v, &ctx->ei, &n);
hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
VariantClear(&v);
if(SUCCEEDED(hres)) {
num_set_val(&v, num_val(&n)+(double)arg);
hres = disp_propput(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propput(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
}
}
IDispatch_Release(obj);
@ -2608,7 +2590,7 @@ static HRESULT interp_eq(exec_ctx_t *ctx)
TRACE("%s == %s\n", debugstr_variant(l), debugstr_variant(r));
hres = equal_values(ctx->parser->script, l, r, &ctx->ei, &b);
hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2629,7 +2611,7 @@ static HRESULT interp_neq(exec_ctx_t *ctx)
TRACE("%s != %s\n", debugstr_variant(l), debugstr_variant(r));
hres = equal_values(ctx->parser->script, l, r, &ctx->ei, &b);
hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2735,7 +2717,7 @@ static HRESULT interp_lt(exec_ctx_t *ctx)
TRACE("%s < %s\n", debugstr_variant(l), debugstr_variant(r));
hres = less_eval(ctx->parser->script, l, r, FALSE, &ctx->ei, &b);
hres = less_eval(ctx->parser->script, l, r, FALSE, ctx->ei, &b);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2756,7 +2738,7 @@ static HRESULT interp_lteq(exec_ctx_t *ctx)
TRACE("%s <= %s\n", debugstr_variant(l), debugstr_variant(r));
hres = less_eval(ctx->parser->script, r, l, TRUE, &ctx->ei, &b);
hres = less_eval(ctx->parser->script, r, l, TRUE, ctx->ei, &b);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2777,7 +2759,7 @@ static HRESULT interp_gt(exec_ctx_t *ctx)
TRACE("%s > %s\n", debugstr_variant(l), debugstr_variant(r));
hres = less_eval(ctx->parser->script, r, l, FALSE, &ctx->ei, &b);
hres = less_eval(ctx->parser->script, r, l, FALSE, ctx->ei, &b);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2798,7 +2780,7 @@ static HRESULT interp_gteq(exec_ctx_t *ctx)
TRACE("%s >= %s\n", debugstr_variant(l), debugstr_variant(r));
hres = less_eval(ctx->parser->script, l, r, TRUE, &ctx->ei, &b);
hres = less_eval(ctx->parser->script, l, r, TRUE, ctx->ei, &b);
VariantClear(l);
VariantClear(r);
if(FAILED(hres))
@ -2817,7 +2799,7 @@ static HRESULT interp_bneg(exec_ctx_t *ctx)
TRACE("\n");
v = stack_pop(ctx);
hres = to_int32(ctx->parser->script, v, &ctx->ei, &i);
hres = to_int32(ctx->parser->script, v, ctx->ei, &i);
VariantClear(v);
if(FAILED(hres))
return hres;
@ -2912,9 +2894,9 @@ static HRESULT interp_assign(exec_ctx_t *ctx)
disp = stack_pop_objid(ctx, &id);
if(!disp)
return throw_reference_error(ctx->parser->script, &ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
hres = disp_propput(ctx->parser->script, disp, id, v, &ctx->ei, NULL/*FIXME*/);
hres = disp_propput(ctx->parser->script, disp, id, v, ctx->ei, NULL/*FIXME*/);
IDispatch_Release(disp);
if(FAILED(hres)) {
VariantClear(v);
@ -2994,6 +2976,7 @@ HRESULT compiled_statement_eval(script_ctx_t *ctx, statement_t *stat, return_typ
exec_ctx_t *exec_ctx = ctx->exec_ctx;
unsigned prev_ip, prev_top;
return_type_t *prev_rt;
jsexcept_t *prev_ei;
jsop_t op;
HRESULT hres = S_OK;
@ -3008,8 +2991,10 @@ HRESULT compiled_statement_eval(script_ctx_t *ctx, statement_t *stat, return_typ
prev_rt = exec_ctx->rt;
prev_top = exec_ctx->top;
prev_ip = exec_ctx->ip;
prev_ei = exec_ctx->ei;
exec_ctx->ip = stat->instr_off;
exec_ctx->rt = rt;
exec_ctx->ei = &rt->ei;
while(exec_ctx->ip != -1 && exec_ctx->rt->type == RT_NORMAL) {
op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
@ -3021,6 +3006,7 @@ HRESULT compiled_statement_eval(script_ctx_t *ctx, statement_t *stat, return_typ
exec_ctx->rt = prev_rt;
exec_ctx->ip = prev_ip;
exec_ctx->ei = prev_ei;
if(FAILED(hres)) {
stack_popn(exec_ctx, exec_ctx->top-prev_top);
@ -3040,6 +3026,7 @@ static HRESULT expr_eval(script_ctx_t *ctx, expression_t *expr, DWORD flags, jse
{
exec_ctx_t *exec_ctx = ctx->exec_ctx;
unsigned prev_ip, prev_top;
jsexcept_t *prev_ei;
jsop_t op;
HRESULT hres = S_OK;
@ -3053,7 +3040,9 @@ static HRESULT expr_eval(script_ctx_t *ctx, expression_t *expr, DWORD flags, jse
prev_top = exec_ctx->top;
prev_ip = exec_ctx->ip;
prev_ei = exec_ctx->ei;
exec_ctx->ip = expr->instr_off;
exec_ctx->ei = ei;
while(exec_ctx->ip != -1) {
op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
@ -3064,11 +3053,10 @@ static HRESULT expr_eval(script_ctx_t *ctx, expression_t *expr, DWORD flags, jse
}
exec_ctx->ip = prev_ip;
exec_ctx->ei = prev_ei;
if(FAILED(hres)) {
stack_popn(exec_ctx, exec_ctx->top-prev_top);
*ei = exec_ctx->ei;
memset(&exec_ctx->ei, 0, sizeof(exec_ctx->ei));
return hres;
}

3
dlls/jscript/engine.h
View File

@ -229,7 +229,7 @@ struct _exec_ctx_t {
unsigned top;
unsigned ip;
jsexcept_t ei;
jsexcept_t *ei;
return_type_t *rt; /* FIXME */
};
@ -400,7 +400,6 @@ typedef struct {
HRESULT compiled_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;
HRESULT var_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;
HRESULT empty_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;
HRESULT expression_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;
HRESULT if_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;
HRESULT while_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;
HRESULT for_statement_eval(script_ctx_t*,statement_t*,return_type_t*,VARIANT*) DECLSPEC_HIDDEN;

2
dlls/jscript/parser.y
View File

@ -840,7 +840,7 @@ static const statement_eval_t stat_eval_table[] = {
break_statement_eval,
continue_statement_eval,
empty_statement_eval,
expression_statement_eval,
compiled_statement_eval,
for_statement_eval,
forin_statement_eval,
if_statement_eval,