floraachy/Nasal-Interpreter
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This commit is contained in:
Valk Richard Li
2019-11-22 20:56:16 +08:00
committed by GitHub
parent 80ef21b0b9
commit b4468c6cc1
4 changed files with 65 additions and 13 deletions
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36
balloon/abstract_syntax_tree.cpp
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@@ -478,11 +478,20 @@ var abstract_syntax_tree::call_identifier()
{
var place=i->children.front().calculation();
if(place.get_type()==__var_number)
temp=temp.get_array_member((int)place.get_number());
{
if(place.get_number()>=0)
temp=temp.get_array_member((int)place.get_number());
else
{
exit_type=__get_value_failure;
std::cout<<">>[Runtime-error] line"<<i->line<<": number shouldn't be less than 0 when calling an array."<<std::endl;
break;
}
}
else
{
exit_type=__error_value_type;
std::cout<<">>[Runtime-error] line "<<line<<": ";
std::cout<<">>[Runtime-error] line "<<i->line<<": ";
print_detail_token(i->type);
std::cout<<": incorrect type \'";
print_scalar(temp.get_type());
@@ -496,7 +505,7 @@ var abstract_syntax_tree::call_identifier()
if(temp.get_type()==__null_type)
{
exit_type=__get_value_failure;
std::cout<<">>[Runtime-error] line "<<line<<": cannot find a hash-member named \'"<<i->name<<"\' or this value is set to __null_type. detail: ";
std::cout<<">>[Runtime-error] line "<<i->line<<": cannot find a hash-member named \'"<<i->name<<"\' or this value is set to __null_type. detail: ";
temp.print_var();
std::cout<<"."<<std::endl;
break;
@@ -516,7 +525,7 @@ var abstract_syntax_tree::call_identifier()
else
{
exit_type=__error_value_type;
std::cout<<">>[Runtime-error] line "<<line<<": ";
std::cout<<">>[Runtime-error] line "<<i->line<<": ";
print_detail_token(i->type);
std::cout<<": incorrect type \'";
print_scalar(temp.get_type());
@@ -555,11 +564,20 @@ var* abstract_syntax_tree::get_var_addr()
{
var place=i->children.front().calculation();
if(place.get_type()==__var_number)
addr=addr->get_array_member_addr((int)place.get_number());
{
if(place.get_number()>=0)
addr=addr->get_array_member_addr((int)place.get_number());
else
{
exit_type=__get_value_failure;
std::cout<<">>[Runtime-error] line"<<i->line<<": number shouldn't be less than 0 when calling an array."<<std::endl;
break;
}
}
else
{
exit_type=__error_value_type;
std::cout<<">>[Runtime-error] line "<<line<<": ";
std::cout<<">>[Runtime-error] line "<<i->line<<": ";
print_detail_token(i->type);
std::cout<<": incorrect type \'";
print_scalar(addr->get_type());
@@ -573,20 +591,20 @@ var* abstract_syntax_tree::get_var_addr()
if(addr->get_type()==__null_type)
{
exit_type=__get_value_failure;
std::cout<<">>[Runtime-error] line "<<line<<": cannot find a hash-member named \'"<<i->name<<"\'."<<std::endl;
std::cout<<">>[Runtime-error] line "<<i->line<<": cannot find a hash-member named \'"<<i->name<<"\'."<<std::endl;
break;
}
}
else if(i->type==__call_function && addr->get_type()==__var_function)
{
exit_type=__error_value_type;
std::cout<<">>[Runtime-error] line "<<line<<": function-returned value cannot be assigned."<<std::endl;
std::cout<<">>[Runtime-error] line "<<i->line<<": function-returned value cannot be assigned."<<std::endl;
break;
}
else
{
exit_type=__error_value_type;
std::cout<<">>[Runtime-error] line "<<line<<": ";
std::cout<<">>[Runtime-error] line "<<i->line<<": ";
print_detail_token(i->type);
std::cout<<": incorrect type \'";
print_scalar(addr->get_type());