Class silk.Primitive
java.lang.Object
|
+----silk.SchemeUtils
|
+----silk.Procedure
|
+----silk.Primitive
- public class Primitive
- extends Procedure
A primitive is a procedure that is defined as part of the Scheme report,
and is implemented in Java code.
Fields inherited from class silk.SchemeUtils
Constructor Summary
Method Summary
java.lang.Object
apply (
Scheme interp,
java.lang.Object args)
Apply a primitive to a list of arguments.
static int
charCompare (java.lang.Object x,
java.lang.Object y,
boolean ci)
Return <0 if x is alphabetically first,>0 if y is first,
0 if same.
static java.lang.Object
memberAssoc (java.lang.Object obj,
java.lang.Object list,
char m,
char eq)
static java.lang.Object
numCompare (java.lang.Object args,
char op)
static java.lang.Object
numCompute (java.lang.Object args,
char op,
double result)
static int
stringCompare (java.lang.Object x,
java.lang.Object y,
boolean ci)
Return <0 if x is alphabetically first,>0 if y is first,
0 if same.
chr,
chr,
cons,
equal,
eqv,
error,
first,
inPort,
length,
list,
list,
listStar,
listToString,
listToVector,
num,
num,
outPort,
rest,
reverse,
second,
setFirst,
setRest,
str,
sym,
third,
truth,
truth,
vec,
vectorToList,
warn,
write
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Constructor Detail
Primitive
public Primitive(int id,
int minArgs,
int maxArgs)
Method Detail
installPrimitives
public static Environment installPrimitives(Environment env)
apply
public java.lang.Object apply(Scheme interp,
java.lang.Object args)
- Apply a primitive to a list of arguments.
- Overrides:
- apply in class Procedure
stringAppend
public static char[] stringAppend(java.lang.Object args)
memberAssoc
public static java.lang.Object memberAssoc(java.lang.Object obj,
java.lang.Object list,
char m,
char eq)
numCompare
public static java.lang.Object numCompare(java.lang.Object args,
char op)
numCompute
public static java.lang.Object numCompute(java.lang.Object args,
char op,
double result)
charCompare
public static int charCompare(java.lang.Object x,
java.lang.Object y,
boolean ci)
- Return <0 if x is alphabetically first,>0 if y is first,
0 if same. Case insensitive iff ci is true. Error if not both chars.
stringCompare
public static int stringCompare(java.lang.Object x,
java.lang.Object y,
boolean ci)
- Return <0 if x is alphabetically first,>0 if y is first,
0 if same. Case insensitive iff ci is true. Error if not strings.