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jscript: Keep track of active call in a separated structure. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2016-03-25 12:02:35 +01:00 committed by Alexandre Julliard
parent 27528e5498
commit 8a17cf89fb
4 changed files with 40 additions and 11 deletions
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40
dlls/jscript/engine.c
View File

@ -511,8 +511,8 @@ static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, exprval_t *re
TRACE("%s\n", debugstr_w(identifier));
if(ctx->exec_ctx) {
for(scope = ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
if(ctx->call_ctx) {
for(scope = ctx->call_ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
if(scope->jsobj)
hres = jsdisp_get_id(scope->jsobj, identifier, fdexNameImplicit, &id);
else
@ -2393,6 +2393,11 @@ OP_LIST
#undef X
};
static void release_call_frame(call_frame_t *frame)
{
heap_free(frame);
}
static HRESULT unwind_exception(exec_ctx_t *ctx)
{
except_frame_t *except_frame;
@ -2446,17 +2451,19 @@ static HRESULT unwind_exception(exec_ctx_t *ctx)
static HRESULT enter_bytecode(script_ctx_t *ctx, bytecode_t *code, function_code_t *func, jsval_t *ret)
{
exec_ctx_t *exec_ctx = ctx->exec_ctx;
exec_ctx_t *exec_ctx = ctx->call_ctx->exec_ctx;
except_frame_t *prev_except_frame;
function_code_t *prev_func;
unsigned prev_ip, prev_top;
scope_chain_t *prev_scope;
bytecode_t *prev_code;
call_frame_t *frame;
jsop_t op;
HRESULT hres = S_OK;
TRACE("\n");
frame = ctx->call_ctx;
prev_top = exec_ctx->top;
prev_scope = exec_ctx->scope_chain;
prev_except_frame = exec_ctx->except_frame;
@ -2490,6 +2497,10 @@ static HRESULT enter_bytecode(script_ctx_t *ctx, bytecode_t *code, function_code
exec_ctx->code = prev_code;
exec_ctx->func_code = prev_func;
assert(ctx->call_ctx == frame);
ctx->call_ctx = frame->prev_frame;
release_call_frame(frame);
if(FAILED(hres)) {
while(exec_ctx->scope_chain != prev_scope)
scope_pop(&exec_ctx->scope_chain);
@ -2543,9 +2554,23 @@ static HRESULT bind_event_target(script_ctx_t *ctx, function_code_t *func, jsdis
return hres;
}
static HRESULT setup_call_frame(exec_ctx_t *ctx)
{
call_frame_t *frame;
frame = heap_alloc_zero(sizeof(*frame));
if(!frame)
return E_OUTOFMEMORY;
frame->exec_ctx = ctx;
frame->prev_frame = ctx->script->call_ctx;
ctx->script->call_ctx = frame;
return S_OK;
}
HRESULT exec_source(exec_ctx_t *ctx, bytecode_t *code, function_code_t *func, jsval_t *ret)
{
exec_ctx_t *prev_ctx;
jsval_t val;
unsigned i;
HRESULT hres = S_OK;
@ -2579,12 +2604,11 @@ HRESULT exec_source(exec_ctx_t *ctx, bytecode_t *code, function_code_t *func, js
}
}
prev_ctx = ctx->script->exec_ctx;
ctx->script->exec_ctx = ctx;
hres = setup_call_frame(ctx);
if(FAILED(hres))
return hres;
hres = enter_bytecode(ctx->script, code, func, &val);
assert(ctx->script->exec_ctx == ctx);
ctx->script->exec_ctx = prev_ctx;
if(FAILED(hres))
return hres;

5
dlls/jscript/engine.h
View File

@ -190,6 +190,11 @@ static inline void scope_addref(scope_chain_t *scope)
typedef struct _except_frame_t except_frame_t;
struct _parser_ctx_t;
typedef struct _call_frame_t {
struct _call_frame_t *prev_frame;
exec_ctx_t *exec_ctx;
} call_frame_t;
struct _exec_ctx_t {
LONG ref;

4
dlls/jscript/global.c
View File

@ -206,7 +206,7 @@ static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, uns
return S_OK;
}
if(!ctx->exec_ctx) {
if(!ctx->call_ctx) {
FIXME("No active exec_ctx\n");
return E_UNEXPECTED;
}
@ -222,7 +222,7 @@ static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, uns
return throw_syntax_error(ctx, hres, NULL);
}
hres = exec_source(ctx->exec_ctx, code, &code->global_code, r);
hres = exec_source(ctx->call_ctx->exec_ctx, code, &code->global_code, r);
release_bytecode(code);
return hres;
}

2
dlls/jscript/jscript.h
View File

@ -385,7 +385,7 @@ struct _script_ctx_t {
SCRIPTSTATE state;
IActiveScript *active_script;
exec_ctx_t *exec_ctx;
struct _call_frame_t *call_ctx;
named_item_t *named_items;
IActiveScriptSite *site;
IInternetHostSecurityManager *secmgr;