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Use stl stack for for carrying scopes 

This is rather a cosmetic change. The patch changes
the container used for stack of scopes from std::list
to std::stack. It suits this particular application
a bit better.
This commit is contained in:
Pawel Szostek 2011-07-20 14:44:25 +02:00 committed by Stephen Williams
parent 21008f2ba9
commit 3764216a88
1 changed files with 5 additions and 4 deletions
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9
vhdlpp/parse.y
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@ -34,6 +34,7 @@
# include <cstdarg> # include <cstdarg>
# include <cstring> # include <cstring>
# include <list> # include <list>
# include <stack>
# include <map> # include <map>
# include <vector> # include <vector>
# include "parse_types.h" # include "parse_types.h"
@ -69,7 +70,7 @@ int parse_sorrys = 0;
* manage lexical scopes. * manage lexical scopes.
*/ */
static ActiveScope*active_scope = new ActiveScope; static ActiveScope*active_scope = new ActiveScope;
static list<ActiveScope*> scope_stack; static stack<ActiveScope*> scope_stack;
/* /*
* When a scope boundary starts, call the push_scope function to push * When a scope boundary starts, call the push_scope function to push
@ -81,7 +82,7 @@ static list<ActiveScope*> scope_stack;
static void push_scope(void) static void push_scope(void)
{ {
assert(active_scope); assert(active_scope);
scope_stack.push_front(active_scope); scope_stack.push(active_scope);
active_scope = new ActiveScope (active_scope); active_scope = new ActiveScope (active_scope);
} }
@ -89,8 +90,8 @@ static void pop_scope(void)
{ {
delete active_scope; delete active_scope;
assert(scope_stack.size() > 0); assert(scope_stack.size() > 0);
active_scope = scope_stack.front(); active_scope = scope_stack.top();
scope_stack.pop_front(); scope_stack.pop();
} }