floraachy/Nasal-Interpreter
1
0
Fork 0
forked from xxq250/Nasal-Interpreter
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

change the way of calling built-in functions

Browse Source 
change std::map to struct array,use index to call built-in functions.this may be more efficient.
This commit is contained in:
Valk Richard Li
2021-02-14 17:36:42 +08:00
parent 80683c381f
commit 78ba0641a6
3 changed files with 12 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nasal_vm.h
+1 -8
View File
@@ -30,8 +30,6 @@ private:
std::vector<std::string> string_table;
// number table
std::vector<double> number_table;
// builtin function address table
std::map<std::string,nasal_val* (*)(nasal_val* x,nasal_gc& vm)> builtin_func_hashmap;
void die(std::string);
bool check_condition(nasal_val*);
void opr_nop();
@@ -103,8 +101,6 @@ nasal_vm::nasal_vm()
val_stack=new nasal_val*[val_stack_MAX_DEPTH];
val_stack_top=val_stack;
local_scope_stack.push(NULL);
for(int i=0;builtin_func_table[i].func_pointer;++i)
builtin_func_hashmap[builtin_func_table[i].func_name]=builtin_func_table[i].func_pointer;
return;
}
nasal_vm::~nasal_vm()
@@ -899,11 +895,8 @@ void nasal_vm::opr_callf()
}
void nasal_vm::opr_builtincall()
{
nasal_val* ret_value_addr=NULL;
std::string val_name=string_table[exec_code[ptr].index];
ret_value_addr=(*builtin_func_hashmap[val_name])(local_scope_stack.top(),vm);
*(++val_stack_top)=(*builtin_func_table[exec_code[ptr].index].func_pointer)(local_scope_stack.top(),vm);
main_loop_break_mark=!builtin_die_state;
*(++val_stack_top)=ret_value_addr;
return;
}
void nasal_vm::opr_slicebegin()