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Nasal-Interpreter
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Valk Richard Li 2020-02-18 00:04:07 +08:00 committed by GitHub
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156
version2.0/nasal_ast.h
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@ -256,6 +256,34 @@ ast:
num:4
str: str
source code:
var a=cd? 1:0;
ast:
root
definition
id: a
?
id: cd
num: 1
num: 0
source code:
var h={a:1,b:2,c:'3',};
ast:
root
definition
id: h
hash
hash_member
id: a
num: 1
hash_member
id: b
num: 2
hash_member
id: c
str: 3
source code:
var id=1;
ast:
@ -560,4 +588,132 @@ ast:
id: y
num: 1
block
source code:
var function=func(args...)
{
if(size(args)<3)
{
print("error");
return 0;
}
if(args[0]==args[1] or args[1]==args[2])
{
return args[0]*args[1]*args[2];
}
elsif(args[2]>args[1])
{
return -1;
}
for(var i=0;i<size(args);i+=1)
{
if(args[i]>100)
break;
else if(args[i]<0)
return args[i];
}
return 0;
}
ast:
root
definition
id: function
function
parameters
id...: args
block
conditional
if
<
id: size
call_function
id: args
num: 3
block
id: print
call_function
str: error
return
num: 0
conditional
if
or
==
id: args
call_vector
num: 0
id: args
call_vector
num: 1
==
id: args
call_vector
num: 1
id: args
call_vector
num: 2
block
return
*
*
id: args
call_vector
num: 0
id: args
call_vector
num: 1
id: args
call_vector
num: 2
elsif
>
id: args
call_vector
num: 2
id: args
call_vector
num: 1
block
return
-
num: 0
num: 1
for
definition
id: i
num: 0
<
id: i
id: size
call_function
id: args
+=
id: i
num: 1
block
conditional
if
>
id: args
call_vector
id: i
num: 100
block
break
else
block
conditional
if
<
id: args
call_vector
id: i
num: 0
block
return
id: args
call_vector
id: i
return
num: 0
*/