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jscript: Store instruction pointer in call_frame_t. 

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 12:03:45 +01:00 committed by Alexandre Julliard
parent fa5d9b3db1
commit a120ecbefc
2 changed files with 20 additions and 18 deletions
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35
dlls/jscript/engine.c
View File

@ -568,33 +568,38 @@ static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, exprval_t *re
}
static inline BSTR get_op_bstr(exec_ctx_t *ctx, int i){
return ctx->script->call_ctx->bytecode->instrs[ctx->ip].u.arg[i].bstr;
call_frame_t *frame = ctx->script->call_ctx;
return frame->bytecode->instrs[frame->ip].u.arg[i].bstr;
}
static inline unsigned get_op_uint(exec_ctx_t *ctx, int i){
return ctx->script->call_ctx->bytecode->instrs[ctx->ip].u.arg[i].uint;
call_frame_t *frame = ctx->script->call_ctx;
return frame->bytecode->instrs[frame->ip].u.arg[i].uint;
}
static inline unsigned get_op_int(exec_ctx_t *ctx, int i){
return ctx->script->call_ctx->bytecode->instrs[ctx->ip].u.arg[i].lng;
call_frame_t *frame = ctx->script->call_ctx;
return frame->bytecode->instrs[frame->ip].u.arg[i].lng;
}
static inline jsstr_t *get_op_str(exec_ctx_t *ctx, int i){
return ctx->script->call_ctx->bytecode->instrs[ctx->ip].u.arg[i].str;
call_frame_t *frame = ctx->script->call_ctx;
return frame->bytecode->instrs[frame->ip].u.arg[i].str;
}
static inline double get_op_double(exec_ctx_t *ctx){
return ctx->script->call_ctx->bytecode->instrs[ctx->ip].u.dbl;
call_frame_t *frame = ctx->script->call_ctx;
return frame->bytecode->instrs[frame->ip].u.dbl;
}
static inline void jmp_next(exec_ctx_t *ctx)
{
ctx->ip++;
ctx->script->call_ctx->ip++;
}
static inline void jmp_abs(exec_ctx_t *ctx, unsigned dst)
{
ctx->ip = dst;
ctx->script->call_ctx->ip = dst;
}
/* ECMA-262 3rd Edition 12.2 */
@ -2428,7 +2433,7 @@ static HRESULT unwind_exception(exec_ctx_t *ctx)
while(except_frame->scope != ctx->scope_chain)
scope_pop(&ctx->scope_chain);
ctx->ip = except_frame->catch_off;
frame->ip = except_frame->catch_off;
except_val = ctx->script->ei.val;
ctx->script->ei.val = jsval_undefined();
@ -2466,7 +2471,7 @@ static HRESULT unwind_exception(exec_ctx_t *ctx)
static HRESULT enter_bytecode(script_ctx_t *ctx, function_code_t *func, jsval_t *ret)
{
exec_ctx_t *exec_ctx = ctx->call_ctx->exec_ctx;
unsigned prev_ip, prev_top;
unsigned prev_top;
scope_chain_t *prev_scope;
call_frame_t *frame;
jsop_t op;
@ -2477,11 +2482,9 @@ static HRESULT enter_bytecode(script_ctx_t *ctx, function_code_t *func, jsval_t
frame = ctx->call_ctx;
prev_top = exec_ctx->top;
prev_scope = exec_ctx->scope_chain;
prev_ip = exec_ctx->ip;
exec_ctx->ip = func->instr_off;
while(exec_ctx->ip != -1) {
op = frame->bytecode->instrs[exec_ctx->ip].op;
while(frame->ip != -1) {
op = frame->bytecode->instrs[frame->ip].op;
hres = op_funcs[op](exec_ctx);
if(FAILED(hres)) {
TRACE("EXCEPTION %08x\n", hres);
@ -2493,12 +2496,10 @@ static HRESULT enter_bytecode(script_ctx_t *ctx, function_code_t *func, jsval_t
if(FAILED(hres))
break;
}else {
exec_ctx->ip += op_move[op];
frame->ip += op_move[op];
}
}
exec_ctx->ip = prev_ip;
assert(ctx->call_ctx == frame);
ctx->call_ctx = frame->prev_frame;
release_call_frame(frame);
@ -2566,6 +2567,8 @@ static HRESULT setup_call_frame(exec_ctx_t *ctx, bytecode_t *bytecode, function_
frame->bytecode = bytecode;
frame->function = function;
frame->ip = function->instr_off;
frame->exec_ctx = ctx;
frame->prev_frame = ctx->script->call_ctx;

3
dlls/jscript/engine.h
View File

@ -191,6 +191,7 @@ typedef struct _except_frame_t except_frame_t;
struct _parser_ctx_t;
typedef struct _call_frame_t {
unsigned ip;
except_frame_t *except_frame;
bytecode_t *bytecode;
@ -213,8 +214,6 @@ struct _exec_ctx_t {
unsigned stack_size;
unsigned top;
jsval_t ret;
unsigned ip;
};
static inline void exec_addref(exec_ctx_t *ctx)