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Nasal-Interpreter
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update

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Valk Richard Li 2020-08-30 08:43:59 -07:00 committed by GitHub
parent ed2764aaf0
commit 68848a668d
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1 changed files with 60 additions and 0 deletions
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version3.0/nasal_runtime.h
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@ -246,6 +246,66 @@ int nasal_runtime::main_progress()
int nasal_runtime::block_progress(nasal_ast& node,int local_scope_addr) int nasal_runtime::block_progress(nasal_ast& node,int local_scope_addr)
{ {
int ret_state=rt_exit_without_error; int ret_state=rt_exit_without_error;
if(local_scope_addr<0)
{
local_scope_addr=nasal_vm.gc_alloc();
nasal_vm.gc_get(local_scope_addr).set_type(vm_closure);
nasal_vm.gc_get(local_scope_addr).get_closure().add_scope();
}
else
nasal_vm.add_reference(local_scope_addr);
int expr_number=node.get_children().size();
int process_returned_value_addr=-1;
for(int i=0;i<expr_number;++i)
{
int node_type=node.get_children()[i].get_type();
switch(node_type)
{
case ast_definition:break;
case ast_multi_assign:break;
case ast_conditional:
ret_state=conditional_progress(node.get_children()[i],local_scope_addr);
break;
case ast_while:
case ast_for:
case ast_forindex:
case ast_foreach:
ret_state=loop_progress(node.get_children()[i],local_scope_addr);
break;
case ast_number:break;
case ast_string:break;
case ast_add_equal:
case ast_sub_equal:
case ast_mult_equal:
case ast_div_equal:
case ast_link_equal:
case ast_unary_sub:
case ast_unary_not:
case ast_add:
case ast_sub:
case ast_mult:
case ast_div:
case ast_link:
case ast_trinocular:
process_returned_value_addr=calculation(root.get_children()[i],local_scope_addr);
nasal_vm.del_reference(process_returned_value_addr);
break;
case ast_break:
ret_state=rt_break;
break;
case ast_continue:
ret_state=rt_continue;
break;
}
if(ret_state==rt_error)
{
std::cout<<">> [runtime] block_progress:error occurred when executing sub-progress."<<std::endl;
++error;
}
if(error)
break;
}
nasal_vm.del_reference(local_scope_addr);
return ret_state; return ret_state;
} }
int nasal_runtime::loop_progress(nasal_ast& node,int local_scope_addr) int nasal_runtime::loop_progress(nasal_ast& node,int local_scope_addr)