Class CallExpr

java.lang.Object

Expr

CallExpr

public class CallExpr
extends Expr

An expression evaluated by calling a named procedure. Limitations: the procedure must take one int argument and return an int value.

Constructor Summary

Constructors

Constructor and Description
CallExpr(java.lang.String procName, Expr argument) Constructs a CallExpr with a given procedure name and argument.

Method Summary

Modifier and Type	Method and Description
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

CallExpr

public CallExpr(java.lang.String procName,
                Expr argument)

Constructs a CallExpr with a given procedure name and argument.

Parameters:

procName - the name of the procedure to call

argument - the expression that computes the argument value

Method Detail

toLLVM

public ValueAndCode toLLVM()

Description copied from class: Expr

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

Specified by:

toLLVM in class Expr

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