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update

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Valk Richard Li
2020-08-25 08:53:45 -07:00
committed by GitHub
parent 55e80b4c05
commit 7c041f6cda
2 changed files with 97 additions and 63 deletions
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version3.0/nasal_gc.h
+15 -1
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@@ -8,7 +8,7 @@ nasal_number: basic type(double)
nasal_string: basic type(std::string)
nasal_vector: elems[i] -> address in memory -> value address in gc
nasal_hash: elems[key] -> address in memory -> value address in gc
nasal_function: closure -> address in memory ->value address in gc(type: nasal_closure)
nasal_function: closure -> value address in gc(type: nasal_closure)
nasal_closure: std::list<std::map<std::string,int>> -> std::map<std::string,int> -> (int) -> address in memory -> value address in gc
*/
@@ -68,6 +68,7 @@ public:
~nasal_closure();
void add_scope();
void del_scope();
void add_new_value(std::string,int);
int get_value_address(std::string);
int get_mem_address(std::string);
};
@@ -316,6 +317,19 @@ void nasal_closure::del_scope()
this->elems.pop_back();
return;
}
void nasal_closure::add_new_value(std::string key,int value_address)
{
int new_mem_address=nasal_vm.mem_alloc();
nasal_vm.mem_init(new_mem_address,value_address);
if(elems.back().find(key)!=elems.back().end())
{
// if this value already exists,delete the old value and update a new value
int old_mem_address=elems.back()[key];
nasal_vm.mem_free(old_mem_address);
}
elems.back()[key]=new_mem_address;
return;
}
int nasal_closure::get_value_address(std::string key)
{
int ret_address=-1;