Class Expr

java.lang.Object

Expr

Direct Known Subclasses:

CallExpr, ConstExpr

public abstract class Expr
extends java.lang.Object

An Abstract Syntax Tree (AST) node representing an expression.

Constructor Summary

Constructors

Constructor and Description
Expr()

Method Summary

Modifier and Type	Method and Description
abstract ValueAndCode	toLLVM() Generate the LLVM code that should be executed to evaluate this expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

Expr

public Expr()

Method Detail

toLLVM

public abstract ValueAndCode toLLVM()

Generate the LLVM code that should be executed to evaluate this expression.

Returns:

a ValueAndCode object packaging together two facts:

1. the name that the LLVM code will compute the value into
2. the LLVM code itself