Class no_expr

java.lang.Object
  TreeNode
      Expression
          no_expr

 class no_expr
extends Expression

Defines AST constructor 'no_expr'.

See TreeNode for full documentation.

Field Summary

Fields inherited from class TreeNode

lineNumber

Constructor Summary

no_expr(int lineNumber)
Creates "no_expr" AST node.

Method Summary

void	code(java.io.PrintStream s) Generates code for this expression.
TreeNode	copy() Creates a copy of this node.
void	dump_with_types(java.io.PrintStream out, int n)
void	dump(java.io.PrintStream out, int n) Pretty-prints this node to this output stream.

Methods inherited from class Expression

dump_type, get_type, set_type

Methods inherited from class TreeNode

copy_AbstractSymbol, copy_Boolean, dump_AbstractSymbol, dump_Boolean, dump_line, getLineNumber, set

Methods inherited from class java.lang.Object

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

Constructor Detail

no_expr

public no_expr(int lineNumber)

Creates "no_expr" AST node.

Parameters:

lineNumber - the line in the source file from which this node came.

Method Detail

copy

public TreeNode copy()

Description copied from class: TreeNode

Creates a copy of this node.

Specified by:

copy in class TreeNode

Returns:

a copy of this node

dump

public void dump(java.io.PrintStream out,
                 int n)

Description copied from class: TreeNode

Pretty-prints this node to this output stream.

Specified by:

dump in class TreeNode

Parameters:

out - the output stream

n - the number of spaces to indent the output

dump_with_types

public void dump_with_types(java.io.PrintStream out,
                            int n)

Specified by:

dump_with_types in class Expression

code

public void code(java.io.PrintStream s)

Generates code for this expression. This method is to be completed in programming assignment 5. (You may add or remove parameters as you wish.)

Specified by:

code in class Expression

Parameters:

s - the output stream