Package dap4.core.ce

Class CECompiler

java.lang.Object

dap4.core.ce.CECompiler

public class CECompiler
extends Object

Given an AST, compile it into a CEConstraint instance Eventually this will go away and the constraint parser will directly create the constraint.

Field Summary

Fields

Modifier and Type	Field	Description
protected CEConstraint	ce
protected DapDataset	dataset
protected CEAST	root
protected Deque<DapVariable>	scopestack

Constructor Summary

Constructors

Constructor	Description
CECompiler()

Method Summary

Modifier and Type	Method	Description
CEConstraint	compile(DapDataset template, CEAST root)
protected void	compileAST(CEAST ast)
void	compilefilter(DapVariable var, DapSequence seq, CEAST expr)	Convert field references in a filter
protected DapVariable	compilesegment(CEAST ast)
protected void	compileselection(CEAST ast)
protected void	dimredef(CEAST node)
protected DapVariable	getParent()
protected static boolean	isFQN(String s)

Methods inherited from class java.lang.Object

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

Field Detail

scopestack

protected Deque<DapVariable> scopestack

dataset

protected DapDataset dataset

ce

protected CEConstraint ce

root

protected CEAST root

Constructor Detail

CECompiler

public CECompiler()

Method Detail

compile

public CEConstraint compile(DapDataset template,
                            CEAST root)
                     throws DapException

Throws:

DapException

compileAST

protected void compileAST(CEAST ast)
                   throws DapException

Throws:

DapException

compileselection

protected void compileselection(CEAST ast)
                         throws DapException

Throws:

DapException

compilesegment

protected DapVariable compilesegment(CEAST ast)
                              throws DapException

Throws:

DapException

compilefilter

public void compilefilter(DapVariable var,
                          DapSequence seq,
                          CEAST expr)
                   throws DapException

Convert field references in a filter

Throws:

DapException

dimredef

protected void dimredef(CEAST node)
                 throws DapException

Throws:

DapException

getParent

protected DapVariable getParent()

isFQN

protected static boolean isFQN(String s)