Revision: 1.1.1.1 - (view) (download) (as text)
1 : | ktanaka | 1.1 | // |
2 : | public final class Fixnum extends LispObject{ | ||
3 : | int val; | ||
4 : | Fixnum(int val){ this.val=val; } | ||
5 : | Fixnum(String name){ this(Integer.parseInt(name)); } | ||
6 : | public int getType(){ return FIXNUM; } | ||
7 : | public int getInteger(){ return val; } | ||
8 : | public String toString(){ return ""+val; } | ||
9 : | public static boolean isFixnumString(String name){ | ||
10 : | char c; | ||
11 : | if(name.length()==0) return false; | ||
12 : | if((c=name.charAt(0))=='+' || c=='-'){ | ||
13 : | name=name.substring(1); | ||
14 : | } | ||
15 : | int i,len; | ||
16 : | if((len=name.length())==0) return false; | ||
17 : | for(i=0;i<len;i++) | ||
18 : | if(!Character.isDigit(name.charAt(i))) | ||
19 : | return false; | ||
20 : | return true; | ||
21 : | } | ||
22 : | } |
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