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This commit is contained in:
Valk Richard Li
2019-11-23 13:36:05 +08:00
committed by GitHub
parent 30ee77eff6
commit 676855d433
1 changed files with 12 additions and 7 deletions
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balloon/balloon_scope.h
+12 -7
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@@ -25,6 +25,7 @@ class balloon_scope
{ {
if(!scope_list.empty() && !scope_list.back().empty()) if(!scope_list.empty() && !scope_list.back().empty())
{ {
// check the last scope
std::list<std::list<var> >::iterator i=scope_list.back().end(); std::list<std::list<var> >::iterator i=scope_list.back().end();
--i; --i;
for(std::list<var>::iterator j=i->begin();j!=i->end();++j) for(std::list<var>::iterator j=i->begin();j!=i->end();++j)
@@ -49,7 +50,7 @@ class balloon_scope
--i; --i;
for(;;--i) for(;;--i)
{ {
if(!i->empty()) if(!i->empty())// avoid sigsegv
{ {
for(std::list<var>::iterator j=i->begin();j!=i->end();++j) for(std::list<var>::iterator j=i->begin();j!=i->end();++j)
if(j->get_name()==name) if(j->get_name()==name)
@@ -88,7 +89,7 @@ class balloon_scope
// get the last scope block(std::list<std::list<var> >) // get the last scope block(std::list<std::list<var> >)
for(;;--i) for(;;--i)
{ {
if(!i->empty()) if(!i->empty())// avoid sigsegv
{ {
for(std::list<var>::iterator j=i->begin();j!=i->end();++j) for(std::list<var>::iterator j=i->begin();j!=i->end();++j)
std::cout<<j->get_name()<<std::endl; std::cout<<j->get_name()<<std::endl;
@@ -109,7 +110,7 @@ class balloon_scope
// get the last scope block(std::list<std::list<var> >) // get the last scope block(std::list<std::list<var> >)
for(;;--i) for(;;--i)
{ {
if(!i->empty()) if(!i->empty())// avoid sigsegv
{ {
for(std::list<var>::iterator j=i->begin();j!=i->end();++j) for(std::list<var>::iterator j=i->begin();j!=i->end();++j)
if(j->get_name()==name) if(j->get_name()==name)
@@ -133,17 +134,21 @@ class balloon_scope
if(!scope_list.empty()) if(!scope_list.empty())
{ {
int cnt=1; int cnt=1;
// append function will get array's address from parameters' scope so the last two blocks will be checked
// because when calling a function,a new block scope will be created.
// but the array does not exist in this block,
// so you must find the block before this block.
std::list<std::list<std::list<var> > >::iterator blk=scope_list.end(); std::list<std::list<std::list<var> > >::iterator blk=scope_list.end();
--blk; --blk;
for(;;--blk,++cnt) for(;;--blk,++cnt)
{ {
if(!blk->empty()) if(!blk->empty())// avoid sigsegv
{ {
std::list<std::list<var> >::iterator i=blk->end(); std::list<std::list<var> >::iterator i=blk->end();
--i; --i;
for(;;--i) for(;;--i)
{ {
if(!i->empty()) if(!i->empty())// avoid sigsegv
{ {
for(std::list<var>::iterator j=i->begin();j!=i->end();++j) for(std::list<var>::iterator j=i->begin();j!=i->end();++j)
if(j->get_name()==name) if(j->get_name()==name)
@@ -160,7 +165,7 @@ class balloon_scope
break; break;
} }
} }
if(!global.empty()) if(!global.empty())// if can't find array's address,find the global scope
{ {
for(std::list<var>::iterator i=global.begin();i!=global.end();++i) for(std::list<var>::iterator i=global.begin();i!=global.end();++i)
if(i->get_name()==name) if(i->get_name()==name)
@@ -180,7 +185,7 @@ class balloon_scope
--i; --i;
for(;;--i) for(;;--i)
{ {
if(!i->empty()) if(!i->empty())// avoid sigsegv
{ {
for(std::list<var>::iterator j=i->begin();j!=i->end();++j) for(std::list<var>::iterator j=i->begin();j!=i->end();++j)
if(j->get_name()==name) if(j->get_name()==name)