public declAST parseConstDecl()
{
accept(sym.CONST);
typeAST type = parseType();
Symbol temp = currentToken;
accept(sym.ID);
if (currentToken.sym == sym.IGUAL)
{
acceptIt();
Symbol temp2;
if (currentToken.sym == sym.NUM)
{
temp2 = currentToken;
acceptIt();
return(new constDeclAST(type, temp2));
if (currentToken.sym == sym.PYCOMA)
{
acceptIt();
}
else
{
error(currentToken, ";");
}
}
if (currentToken.sym == sym.CHARCONS)
{
temp2 = currentToken;
acceptIt();
return(new constDeclAST(type, temp2));
if (currentToken.sym == sym.PYCOMA)
{
accept(sym.PYCOMA);
return(new constDeclAST(type, temp2));
}
else
{
error(currentToken, ";");
}
}
else
{
error(currentToken, "TIPO: NUM O CHARCONS");
}
}
else
{
error(currentToken, "=");
}
return(null);
}
public declAST parseVarDecl()
{
typeAST type = parseType();
identListAST result = new unIdentAST(currentToken);
accept(sym.ID);
while (currentToken.sym == sym.COMA)
{
acceptIt();
unIdentAST temp = new unIdentAST(currentToken);
result = new varIdentAST(result, temp);
accept(sym.ID);
}
accept(sym.PYCOMA);
return(new varDeclAST(type, result));
}
public formParsAST parseFormPars()
{
listTipoIdentAST temp = null;
listTipoIdentAST result = null;
typeAST type = parseType();
Symbol tempsymbol = currentToken;
temp = new unTipoIdentAST(tempsymbol, type);
accept(sym.ID, "Identificador");
while (currentToken.sym == sym.COMA)
{
accept(sym.COMA, ",");
tempsymbol = currentToken;
type = parseType();
temp = new unTipoIdentAST(tempsymbol, type);
result = new varTipoIdentAST(result, temp);
}
return(new formParsAST(result));
}
public unTipoIdentAST(Symbol s, typeAST t)
{
ident = s;
tipo = t;
}
public declAST parseMethodDecl()
{
declAST varD = null;
declsAST varD2 = null;
declsAST varD3 = null;
Symbol temp = currentToken;
typeAST type = null;
if (currentToken.sym == sym.ID || currentToken.sym == sym.VOID)
{
if (currentToken.sym == sym.ID)
{
type = parseType();
}
if (currentToken.sym == sym.VOID)
{
accept(sym.VOID, "void");
}
temp = currentToken;
accept(sym.ID, "ident");
accept(sym.P_ABI, "(");
formParsAST formP = null;
if (currentToken.sym == sym.ID)
{
formP = parseFormPars();
}
else
{
accept(sym.P_CER, ")");
}
Boolean ind = false;
while (currentToken.sym == sym.ID)
{
if (ind == false)
{
varD = parseVarDecl();
varD2 = new undeclAST(varD);
varD3 = varD2;
ind = true;
}
else
{
varD = parseVarDecl();
varD2 = new undeclAST(varD);
varD3 = varD2;
varD2 = new varsdeclAST(varD2, varD3);
}
}
blockAST parseB = parseBlock();
if (type == null && formP == null)
{
if (ind == true)
{
return(new methodVoidSinFormDeclsAST(temp));
}
else
{
return(new methodTipoSinFormParsAST(temp, varD2));
// return voidSinFormParsAST(temp, varD, parseB);
}
}
if (type == null && varD == null)
{
return(new methodTipoSinVarDeclAST(temp, formP));
// return voidSinVarDeclAST(temp,formP,parseB);
}
if (type == null && varD != null && formP != null)
{
if (ind == true)
{
return(new methodVoidConFormDeclsAST(varD2, formP, temp));
}
// return voidConForm_DeclsAST(temp, varD2, formP, parseB);
else //return voidConForm_DeclsAST(temp, varD, formP, parseB);
{
return(new methodVoidSinVarDeclAST(formP, temp));
}
}
if (type == null && varD == null && formP == null)
{
return(new methodVoidSinFormDeclsAST(temp));
}
}
return(null);
}
