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jscript: Ensure that OP_pop_except is called with proper stack depth.

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Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-05-01 18:30:18 +02:00 committed by Alexandre Julliard
parent 622eb728d7
commit 8bd99c363a
1 changed files with 11 additions and 4 deletions
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15
dlls/jscript/compile.c
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@ -1387,18 +1387,25 @@ static HRESULT pop_to_stat(compiler_ctx_t *ctx, statement_ctx_t *stat_ctx)
{
unsigned stack_pop = 0;
statement_ctx_t *iter;
HRESULT hres;
for(iter = ctx->stat_ctx; iter != stat_ctx; iter = iter->next) {
if(iter->using_scope && !push_instr(ctx, OP_pop_scope))
return E_OUTOFMEMORY;
if(iter->using_except && !push_instr(ctx, OP_pop_except))
return E_OUTOFMEMORY;
if(iter->using_except) {
if(stack_pop) {
hres = push_instr_uint(ctx, OP_pop, stack_pop);
if(FAILED(hres))
return hres;
stack_pop = 0;
}
if(!push_instr(ctx, OP_pop_except))
return E_OUTOFMEMORY;
}
stack_pop += iter->stack_use;
}
if(stack_pop) {
HRESULT hres;
hres = push_instr_uint(ctx, OP_pop, stack_pop);
if(FAILED(hres))
return hres;