VariableDeclarator enum_constant_expression(EnvValues savedEnvValues, EnvTypes savedEnvTypes)
{
string varName = variable_name();
EnvValues savedEnvValues2 = entornoValores;
entornoValores = savedEnvValues;
VariableInitializer varInit = enum_constant_expressionP();
entornoValores = savedEnvValues2;
VariableSubDeclarator varSubDec = new VariableSubDeclarator(new Entero(), varName);
entornoTipos.put(varName, new Entero());
savedEnvTypes.put(varName, new Entero());
VariableDeclarator varDeclarator = new VariableDeclarator(varSubDec, varInit);
return varDeclarator;
}
Sentence constant_declaration()
{
match("const");
Tipo tipoVariables = variable_type();
tipoVariables.isConstant = true;
string idVariable = direct_variable_declarator();
Tipo tipoVariable = variable_array(tipoVariables);
Initializers const_init = const_variable_initializer();
VariableSubDeclarator primerVariable = new VariableSubDeclarator(tipoVariable, idVariable);
VariableDeclarator constDeclaracionVariable = new VariableDeclarator(primerVariable, const_init);
match(";");
entornoTipos.put(idVariable, tipoVariable);
return constDeclaracionVariable;
}
Sentence declaration_statement()
{
Tipo tipoVariables = variable_type();//tipo basico para todas las variables, si hay mas
string idVariable = direct_variable_declarator();
Tipo tipoVariable = variable_array(tipoVariables);
VariableSubDeclarator primerVariable = new VariableSubDeclarator(tipoVariable, idVariable);
VariableDeclarator primerDeclaracionVariable = new VariableDeclarator(primerVariable, null);//todavia no hemos visto inicializadores
VariableDeclarations variableDeclarations = variable_declarator(primerDeclaracionVariable, tipoVariables);//para las variables que siguen
return variableDeclarations;
}
VariableDeclaration variable_declarators(VariableDeclaration beforeDeclaration, Tipo tipoVariables)
{
if (peek(","))
{
match(",");
string idVariable = direct_variable_declarator();
Tipo tipoVariable = variable_array(tipoVariables);
Initializers init = variable_initializer();
entornoTipos.put(idVariable, tipoVariable);//tablasimbolos
VariableSubDeclarator variableActual = new VariableSubDeclarator(tipoVariable, idVariable);
VariableDeclarator actualDeclaration = new VariableDeclarator(variableActual, init);
VariableDeclarators variableDeclarators = new VariableDeclarators(beforeDeclaration, actualDeclaration);
return variable_declarators(variableDeclarators, tipoVariables);
}
else
return beforeDeclaration;//null
}
Sentence variable_declaration_listP(Sentence primerDeclaracionVariable, EnvTypes savedEnvTypes, EnvValues savedEnvValues)
{
switch (currentToken.Tipo)
{
case TokenType.STRING:
case TokenType.BOOL:
case TokenType.CHAR:
case TokenType.FLOAT:
case TokenType.INT:
Tipo tipoVariables = variable_type();
string idVariable = direct_variable_declarator();
Tipo tipoVariable = variable_array(tipoVariables);
match(";");
VariableSubDeclarator segundaVariable = new VariableSubDeclarator(tipoVariable, idVariable);
VariableDeclarator segundaDeclaracionVariable = new VariableDeclarator(segundaVariable, null);
SentenceSenquence stSeq = new SentenceSenquence(primerDeclaracionVariable, segundaDeclaracionVariable);
entornoTipos.put(idVariable, tipoVariable);
return variable_declaration_listP(stSeq, savedEnvTypes, savedEnvValues);
case TokenType.STRUCT:
string structName = struct_declarator();
Tipo varRecord = savedEnvTypes.get(structName);
Valor valRecord = savedEnvValues.get(structName);
string structVarName = variable_name();
match(";");
StructVariableDeclaration strVarDec = new StructVariableDeclaration(structName, structVarName, varRecord, valRecord);
SentenceSenquence stSeq2 = new SentenceSenquence(primerDeclaracionVariable, strVarDec);
entornoTipos.put(structVarName, varRecord);
return variable_declaration_listP(stSeq2, savedEnvTypes, savedEnvValues);
case TokenType.ENUM:
string enumName = enum_declarator();
Tipo varEnum = savedEnvTypes.get(enumName);
Valor valEnum = savedEnvValues.get(enumName);
string enumVarName = currentToken.Lexema;
match(TokenType.ID);
entornoTipos.put(enumName, varEnum);
EnumerationVariableDeclaration enumVarDec = new EnumerationVariableDeclaration(enumName, enumVarName, varEnum, valEnum);
SentenceSenquence stSeq3 = new SentenceSenquence(primerDeclaracionVariable, enumVarDec);
return variable_declaration_listP(stSeq3, savedEnvTypes, savedEnvValues);
default:
return primerDeclaracionVariable;//null
}
}
Sentence variable_declaration_list(EnvTypes savedEnvTypes, EnvValues savedEnvValues)
{
switch (currentToken.Tipo)
{
case TokenType.STRING:
case TokenType.BOOL:
case TokenType.CHAR:
case TokenType.FLOAT:
case TokenType.INT:
Tipo tipoVariables = variable_type();
string idVariable = direct_variable_declarator();
Tipo tipoVariable = variable_array(tipoVariables);
match(";");
VariableSubDeclarator primerVariable = new VariableSubDeclarator(tipoVariable, idVariable);
VariableDeclarator primerDeclaracionVariable = new VariableDeclarator(primerVariable, null);
entornoTipos.put(idVariable, tipoVariable);
return variable_declaration_listP(primerDeclaracionVariable, savedEnvTypes, savedEnvValues);
case TokenType.STRUCT:
string structName = struct_declarator();
Tipo varRecord = savedEnvTypes.get(structName);
Valor valRecord = savedEnvValues.get(structName);
string structVarName = variable_name();
match(";");
StructVariableDeclaration strVarDec = new StructVariableDeclaration(structName, structVarName, varRecord,valRecord);
entornoTipos.put(structVarName, varRecord);
return variable_declaration_listP(strVarDec, savedEnvTypes, savedEnvValues);
case TokenType.ENUM:
string enumName = enum_declarator();
Tipo varEnum = savedEnvTypes.get(enumName);
Valor valEnum = savedEnvValues.get(enumName);
string enumVarName = currentToken.Lexema;
match(TokenType.ID);
entornoTipos.put(enumName, varEnum);
EnumerationVariableDeclaration enumVarDec = new EnumerationVariableDeclaration(enumName, enumVarName, varEnum, valEnum);
return variable_declaration_listP(enumVarDec, savedEnvTypes, savedEnvValues);
default:
throw new Exception("Error en la declaracion de variables de struct linea: " + Lexer.line + " columna: " + Lexer.column + " currenttoken = " + currentToken.Lexema);
}
}
Sentence variable_declaration()
{
Tipo tipoVariables = variable_type();//tipo basico para todas las variables, si hay mas
string idVariable = direct_variable_declarator();
Tipo tipoVariable = variable_array(tipoVariables);
if (peek("("))
return function_declaration(tipoVariable, idVariable);
else
{
VariableSubDeclarator primerVariable = new VariableSubDeclarator(tipoVariable, idVariable);
VariableDeclarator primerDeclaracionVariable = new VariableDeclarator(primerVariable, null);//todavia no hemos visto inicializadores
VariableDeclarations variableDeclarations = variable_declarator(primerDeclaracionVariable, tipoVariables);//para las variables que siguen
match(";");
return variableDeclarations;
}
}
public VariableDeclarator(VariableSubDeclarator dec, Initializers init)
{
declaration = dec;
initialization = init;
}