// Create as much of the parse tree as possible.
public override int CreateParseSubTree(ref CLexicalAnalyzer plexAnal, ref CSymbolTable pSymbolTable)
{
CToken pToken = null;
//try
{
//Munch a <return>
if ((CLexicalAnalyzer.LEX_FAIL == plexAnal.GetNextToken(ref pToken, ref pSymbolTable)) ||
!pToken.IsRETURNStatement())
{
//throw (C_UM_ERROR_INTERNALERR);
}
//Munch a <;>
if ((CLexicalAnalyzer.LEX_FAIL == plexAnal.GetNextToken(ref pToken, ref pSymbolTable)) ||
pToken.GetSubType() == RUL_TOKEN_SUBTYPE.RUL_SEMICOLON) //Anil Octobet 5 2005 for handling Method Calling Method
{
//throw(C_UM_ERROR_INTERNALERR)//Commented by anil
//this is the case of Void return so no need to parse the futher satement
m_pExpression = null;//Anil Octobet 5 2005 for handling Method Calling Method
return(1);
}
plexAnal.UnGetToken();
//Added Anil Octobet 5 2005 for handling Method Calling Method
//Return statement may be a Expression So Do Parse those Expression and Push it on to m_pExpression
CExpParser expParser = new CExpParser();
//try
{
m_pExpression = expParser.ParseExpression(ref plexAnal, ref pSymbolTable, STMT_EXPR_TYPE.EXPR_ASSIGN);
if (m_pExpression == null)
{
//throw (C_AP_ERROR_MISSINGEXP);
}
}
/*
* catch (CRIDEError* perr)
* {
* pvecErrors.push_back(perr);
* plexAnal.SynchronizeTo(EXPRESSION, pSymbolTable);
* }
*/
return(1);
}
/*
* catch (CRIDEError* perr)
* {
* pvecErrors.push_back(perr);
* plexAnal.SynchronizeTo(EXPRESSION, pSymbolTable);
* }
* catch (...)
* {
* throw (C_UM_ERROR_UNKNOWNERROR);
* }
* return PARSE_FAIL;
*/
}