floraachy/Nasal-Interpreter
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This commit is contained in:
Valk Richard Li
2020-12-14 23:43:00 +08:00
parent 73c9f98f4f
commit 9eb72f8754
8 changed files with 209 additions and 337 deletions
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nasal_gc.h
+6 -6
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@@ -756,19 +756,19 @@ int nasal_virtual_machine::gc_alloc(int val_type)
}
nasal_scalar& nasal_virtual_machine::gc_get(int value_address)
{
if(0<=value_address && value_address<garbage_collector_memory.size() && !garbage_collector_memory[value_address]->collected)
if(0<=value_address && !garbage_collector_memory[value_address]->collected)
return garbage_collector_memory[value_address]->elem;
return error_returned_value;
}
void nasal_virtual_machine::add_reference(int value_address)
{
if(0<=value_address && value_address<garbage_collector_memory.size() && !garbage_collector_memory[value_address]->collected)
if(0<=value_address && !garbage_collector_memory[value_address]->collected)
++garbage_collector_memory[value_address]->ref_cnt;
return;
}
void nasal_virtual_machine::del_reference(int value_address)
{
if(0<=value_address && value_address<garbage_collector_memory.size() && !garbage_collector_memory[value_address]->collected)
if(0<=value_address && !garbage_collector_memory[value_address]->collected)
--garbage_collector_memory[value_address]->ref_cnt;
else
return;
@@ -798,7 +798,7 @@ void nasal_virtual_machine::mem_free(int memory_address)
{
// mem_free has helped scalar to delete the reference
// so don't need to delete reference again
if(0<=memory_address && memory_address<memory_manager_memory.size())
if(0<=memory_address)
{
this->del_reference(memory_manager_memory[memory_address]);
memory_manager_free_space.push(memory_address);
@@ -809,7 +809,7 @@ void nasal_virtual_machine::mem_change(int memory_address,int value_address)
{
// this progress is used to change a memory space's value address
// be careful! this process doesn't check if this mem_space is in use.
if(0<=memory_address && memory_address<memory_manager_memory.size())
if(0<=memory_address)
{
this->del_reference(memory_manager_memory[memory_address]);
memory_manager_memory[memory_address]=value_address;
@@ -819,7 +819,7 @@ void nasal_virtual_machine::mem_change(int memory_address,int value_address)
int nasal_virtual_machine::mem_get(int memory_address)
{
// be careful! this process doesn't check if this mem_space is in use.
if(0<=memory_address && memory_address<memory_manager_memory.size())
if(0<=memory_address)
return memory_manager_memory[memory_address];
return -1;
}