junc.ast
Class ReturnStatementNode

java.lang.Object
  |
  +--antlr.BaseAST
        |
        +--antlr.CommonAST
              |
              +--junc.ast.JUnCASTNode
                    |
                    +--junc.ast.StatementNode
                          |
                          +--junc.ast.ReturnStatementNode

All Implemented Interfaces:

antlr.collections.AST, java.io.Serializable

public class ReturnStatementNode

extends StatementNode

See Also:

Serialized Form

Field Summary

junc.ast.ExpressionNode	expression
junc.types.JUnCBaseType	returnType

Fields inherited from class antlr.BaseAST

down, right

Constructor Summary

ReturnStatementNode()

Method Summary

void	fetchResultType(junc.symtab.Symbol methodName, junc.symtab.SymbolTable symbolTable) Gets the result type of the method in which this return statement occurs (the last in the symbol table entry).
void	translate(org.apache.bcel.generic.ClassGen classGen, org.apache.bcel.generic.MethodGen methodGen)
junc.types.JUnCBaseType	typeCheck(junc.symtab.SymbolTable symbolTable)

Methods inherited from class junc.ast.JUnCASTNode

getColumnNumber, getLineNumber, setColumnNumber, setLineNumber

Methods inherited from class antlr.CommonAST

getText, getType, initialize, initialize, initialize, setText, setType

Methods inherited from class antlr.BaseAST

addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object

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

Field Detail

returnType

public junc.types.JUnCBaseType returnType

expression

public junc.ast.ExpressionNode expression

Constructor Detail

ReturnStatementNode

public ReturnStatementNode()

Method Detail

fetchResultType

public void fetchResultType(junc.symtab.Symbol methodName,
                            junc.symtab.SymbolTable symbolTable)

Gets the result type of the method in which this return statement occurs (the last in the symbol table entry). This info is needed for type checking.

typeCheck

public junc.types.JUnCBaseType typeCheck(junc.symtab.SymbolTable symbolTable)
                                  throws TypeCheckError

Specified by:

typeCheck in class StatementNode

TypeCheckError

translate

public void translate(org.apache.bcel.generic.ClassGen classGen,
                      org.apache.bcel.generic.MethodGen methodGen)

Overrides:

translate in class StatementNode