floraachy/Nasal-Interpreter
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Add lambda

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This commit is contained in:
Valk Richard Li
2019-10-20 13:06:57 +08:00
committed by GitHub
parent 0d7482eae0
commit ca1404ba53
1 changed files with 25 additions and 0 deletions
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25
version1.1/nasal_parser.h
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@@ -1132,7 +1132,32 @@ void nasal_parser::calculation_expr()
else if(this_token.type==__number || this_token.type==__string)
;
else if(this_token.type==__left_curve)
{
get_token();
if(this_token.type==__func)// lambda
{
function_generate_expr();
get_token();
if(this_token.type!=__right_curve)
{
++error;
std::cout<<">>[Error] line "<<this_token.line<<": expect a ')' when creating new lambda."<<std::endl;
return;
}
get_token();
if(this_token.type!=__left_curve)
{
++error;
std::cout<<">>[Error] line "<<this_token.line<<": expect a '(' when calling a lambda function."<<std::endl;
return;
}
call_function_expr();
return;
}
else
parse.push(this_token);
in_curve_calc_expr();
}
else
{
++error;