jminusminus

Class JComparison

java.lang.Object

jminusminus.JAST

jminusminus.JStatement

jminusminus.JExpression

jminusminus.JBinaryExpression

jminusminus.JBooleanBinaryExpression

jminusminus.JComparison

Direct Known Subclasses:

JGreaterThanOp, JLessEqualOp

abstract class JComparison
extends JBooleanBinaryExpression

The AST node for a comparison expression. This class captures common aspects of comparison operations.

Field Summary

Fields inherited from class jminusminus.JBinaryExpression

lhs, operator, rhs

Fields inherited from class jminusminus.JExpression

isStatementExpression, type

Fields inherited from class jminusminus.JAST

compilationUnit, line

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JComparison(int line, String operator, JExpression lhs, JExpression rhs) Create an AST node for a comparison expression.

Method Summary

Methods

Modifier and Type	Method and Description
JExpression	analyze(Context context) The analysis of a comparison operation consists of analyzing its two operands, and making sure they both have the same numeric type.

Methods inherited from class jminusminus.JBooleanBinaryExpression

codegen

Methods inherited from class jminusminus.JBinaryExpression

writeToStdOut

Methods inherited from class jminusminus.JExpression

codegen, isStatementExpression, type

Methods inherited from class jminusminus.JAST

line, partialCodegen

Methods inherited from class java.lang.Object

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

Constructor Detail

JComparison

protected JComparison(int line,
           String operator,
           JExpression lhs,
           JExpression rhs)

Create an AST node for a comparison expression.

Parameters:

line - line in which the expression occurs in the source file.

operator - the comparison operator.

lhs - the lhs operand.

rhs - the rhs operand.

Method Detail

analyze

public JExpression analyze(Context context)

The analysis of a comparison operation consists of analyzing its two operands, and making sure they both have the same numeric type.

Specified by:

analyze in class JExpression

Parameters:

context - context in which names are resolved.

Returns:

the analyzed (and possibly rewritten) AST subtree.