water.rapids

Class AST

java.lang.Object

water.Iced<AST>

water.rapids.AST

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable<AST>

Direct Known Subclasses:

ASTCut, ASTExec, ASTFun, ASTGroup, ASTGroupedPermute, ASTImpute, ASTKFold, ASTMerge, ASTParameter, ASTRow, ASTTime, ASTUniOp

public abstract class AST
extends Iced<AST>

Abstract Syntax Tree Subclasses define the program semantics

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AST()

Method Summary

Methods

Modifier and Type	Method and Description
Val	apply(Env env, water.rapids.Env.StackHelp stk, AST[] asts)
abstract Val	exec(Env env)
static water.rapids.ASTId	newASTFrame(Frame f)
static water.rapids.ASTStr	newASTStr(java.lang.String s)
abstract java.lang.String	str()
java.lang.String	toString()

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AST

public AST()

Method Detail

exec

public abstract Val exec(Env env)

apply

public Val apply(Env env,
        water.rapids.Env.StackHelp stk,
        AST[] asts)

str

public abstract java.lang.String str()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

newASTFrame

public static water.rapids.ASTId newASTFrame(Frame f)

newASTStr

public static water.rapids.ASTStr newASTStr(java.lang.String s)