gnu.expr
Class LetExp

java.lang.Object
  gnu.mapping.Procedure
      gnu.mapping.Procedure0
          gnu.expr.Expression
              gnu.expr.ScopeExp
                  gnu.expr.LetExp

All Implemented Interfaces:

Named, Printable

Direct Known Subclasses:

FluidLetExp, PatternScope, TemplateScope

public class LetExp
extends ScopeExp

Class used to implement "let" syntax (and variants) for Scheme.

Field Summary

Expression	body
Expression[]	inits

Fields inherited from class gnu.expr.ScopeExp

id, outer

Fields inherited from class gnu.expr.Expression

flags, NEXT_AVAIL_FLAG, noExpressions

Constructor Summary

LetExp(Expression[] i)

Method Summary

void	compile(Compilation comp, Target target)
Expression	getBody()
Type	getType() Return the Type used to represent the values of this Expression.
void	print(OutPort out)
void	print(OutPort out, java.lang.String startTag, java.lang.String endTag)
void	setBody(Expression body)
protected Expression	walk(ExpWalker walker)
protected void	walkChildren(ExpWalker walker)

Methods inherited from class gnu.expr.ScopeExp

add, add, addDeclaration, addDeclaration, addDeclaration, countDecls, currentLambda, currentModule, firstDecl, getDefine, getNoDefine, getVarScope, lookup, lookup, nesting, popScope, remove, remove, replaceFollowing, toString

Methods inherited from class gnu.expr.Expression

apply, apply0, compile, compileButFirst, compileNotePosition, compileWithPosition, compileWithPosition, eval, eval, getColumn, getFile, getFlag, getFlags, getLine, makeWhile, match0, print, printLineColumn, setFile, setFlag, setFlag, setLine, setLine, setLine, setLine

Methods inherited from class gnu.mapping.Procedure0

apply1, apply2, apply3, apply4, applyN, numArgs

Methods inherited from class gnu.mapping.Procedure

apply, check0, check1, check2, check3, check4, checkArgCount, checkN, getName, getProperty, getSetter, getSymbol, match1, match2, match3, match4, matchN, maxArgs, minArgs, name, removeProperty, set0, set1, setN, setName, setProperty, setProperty, setSetter, setSymbol

Methods inherited from class java.lang.Object

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

Field Detail

inits

public Expression[] inits

body

public Expression body

Constructor Detail

LetExp

public LetExp(Expression[] i)

Method Detail

getBody

public Expression getBody()

setBody

public void setBody(Expression body)

compile

public void compile(Compilation comp,
                    Target target)

Specified by:

compile in class Expression

getType

public final Type getType()

Description copied from class: Expression

Return the Type used to represent the values of this Expression.

Overrides:

getType in class Expression

walk

protected Expression walk(ExpWalker walker)

Overrides:

walk in class ScopeExp

walkChildren

protected void walkChildren(ExpWalker walker)

Overrides:

walkChildren in class Expression

print

public void print(OutPort out)

Specified by:

print in class Expression

print

public void print(OutPort out,
                  java.lang.String startTag,
                  java.lang.String endTag)