private void WriteWhileStatement(WhileStatement whileStatement, StringBuilder programBuilder)
{
labelCount += 1;
programBuilder.AppendFormat("jmp .L{0} ", labelCount);
programBuilder.AppendLine();
programBuilder.AppendFormat(".L{0}: ", labelCount);
programBuilder.AppendLine();
WriteExpr(whileStatement.Expressions, registerFile, programBuilder);
WriteBlock(whileStatement.Statements as BlockStatement, programBuilder);
}
private object CreateNewObject(GOLD.Reduction r)
{
object result = null;
int pointerCount;
switch ((ProductionIndex)r.Parent.TableIndex())
{
case ProductionIndex.Decls:
// <Decls> ::= <Decl> <Decls>
var declarationHead = r.GetData(0) as DeclarationStatement;
var declarationTail = r.GetData(1) as List<DeclarationStatement>;
declarationTail.InsertNotNull(0, declarationHead);
return declarationTail;
case ProductionIndex.Decls2:
// <Decls> ::=
return new List<DeclarationStatement>();
case ProductionIndex.Decl:
// <Decl> ::= <Func Decl>
return r.GetData(0);
case ProductionIndex.Decl2:
// <Decl> ::= <Func Proto>
return r.GetData(0);
case ProductionIndex.Decl3:
// <Decl> ::= <Struct Decl>
return r.GetData(0);
case ProductionIndex.Decl4:
// <Decl> ::= <Union Decl>
return r.GetData(0);
case ProductionIndex.Decl5:
// <Decl> ::= <Enum Decl>
return r.GetData(0);
case ProductionIndex.Decl6:
// <Decl> ::= <Var Decl>
return r.GetData(0);
case ProductionIndex.Decl7:
// <Decl> ::= <Typedef Decl>
return r.GetData(0);
case ProductionIndex.Funcproto_Lparen_Rparen_Semi:
// <Func Proto> ::= <Func ID> '(' <Types> ')' ';'
break;
case ProductionIndex.Funcproto_Lparen_Rparen_Semi2:
// <Func Proto> ::= <Func ID> '(' <Params> ')' ';'
break;
case ProductionIndex.Funcproto_Lparen_Rparen_Semi3:
// <Func Proto> ::= <Func ID> '(' ')' ';'
break;
case ProductionIndex.Funcdecl_Lparen_Rparen:
// <Func Decl> ::= <Func ID> '(' <Params> ')' <Block>
var function = r.GetData(0) as FunctionDeclaration;
function.Parameters = r.GetData(2) as List<Parameter>;
function.Block = r.GetData(4) as BlockStatement;
return function;
case ProductionIndex.Funcdecl_Lparen_Rparen2:
// <Func Decl> ::= <Func ID> '(' <Id List> ')' <Struct Def> <Block>
throw new NotImplementedException();
case ProductionIndex.Funcdecl_Lparen_Rparen3:
// <Func Decl> ::= <Func ID> '(' ')' <Block>
function = r.GetData(0) as FunctionDeclaration;
function.Block = r.GetData(3) as BlockStatement;
return function;
case ProductionIndex.Params_Comma:
// <Params> ::= <Param> ',' <Params>
var paramHead = r.GetData(0) as Parameter;
var paramTail = r.GetData(2) as List<Parameter>;
paramTail.InsertNotNull(0,paramHead);
return paramTail;
case ProductionIndex.Params:
// <Params> ::= <Param>
return new List<Parameter>() { r.GetData(0) as Parameter };
case ProductionIndex.Param_Const_Id:
// <Param> ::= const <Type> Id
break;
case ProductionIndex.Param_Id:
// <Param> ::= <Type> Id
return new Parameter(r.GetData(0) as IRType, r.GetData(1).ToString());
case ProductionIndex.Types_Comma:
// <Types> ::= <Type> ',' <Types>
var typeHead = r.GetData(0) as IRType;
var typeTail = r.GetData(2) as List<IRType>;
typeTail.InsertNotNull(0, typeHead);
return typeTail;
case ProductionIndex.Types:
// <Types> ::= <Type>
return new List<IRType> { r.GetData(0) as IRType};
case ProductionIndex.Idlist_Id_Comma:
// <Id List> ::= Id ',' <Id List>
var idHead = r.GetData(0).ToString();
var idTail = r.GetData(2) as List<string>;
idTail.InsertNotNull(0, idHead);
return idTail;
case ProductionIndex.Idlist_Id:
// <Id List> ::= Id
var idList = r.GetData(0).ToString();
return new List<string>() { idList };
case ProductionIndex.Funcid_Id:
// <Func ID> ::= <Type> Id
return new FunctionDeclaration(r.GetData(0) as IRType, r.GetData(1).ToString());
case ProductionIndex.Funcid_Id2:
// <Func ID> ::= Id
//return new Function(r.GetData(0).ToString());
throw new NotImplementedException("<Func ID> ::= Id");
case ProductionIndex.Typedefdecl_Typedef_Id_Semi:
// <Typedef Decl> ::= typedef <Type> Id ';'
break;
case ProductionIndex.Structdecl_Struct_Id_Lbrace_Rbrace_Semi:
// <Struct Decl> ::= struct Id '{' <Struct Def> '}' ';'
return new StructDeclaration(r.GetData(0).ToString(), r.GetData(3) as List<IdDeclarationStatement>);
case ProductionIndex.Uniondecl_Union_Id_Lbrace_Rbrace_Semi:
// <Union Decl> ::= union Id '{' <Struct Def> '}' ';'
return new UnionDeclaration(r.GetData(1).ToString(), r.GetData(3) as List<IdDeclarationStatement>);
case ProductionIndex.Structdef:
// <Struct Def> ::= <Var Decl> <Struct Def>
var declarationstm = r.GetData(0) as List<IdDeclarationStatement>;
var structdeftail = r.GetData(1) as List<IdDeclarationStatement>;
declarationstm.AddRange(structdeftail);
return declarationstm;
case ProductionIndex.Structdef2:
// <Struct Def> ::= <Var Decl>
declarationstm = r.GetData(0) as List<IdDeclarationStatement>;
return declarationstm;
case ProductionIndex.Vardecl_Semi:
// <Var Decl> ::= <Mod> <Type> <Var> <Var List> ';'
var baseType = r.GetData(1) as IRType;
var partialDeclaration = r.GetData(2) as PartialIdDeclarationStatement;
var varList = r.GetData(3) as List<VarItem>;
var idDeclaration = partialDeclaration.DeclarationStatement;
var partialType = baseType;
if (partialDeclaration.ArrayType != null )
{
partialDeclaration.ArrayType.Type = partialType;
partialType = partialDeclaration.ArrayType;
}
idDeclaration.Type = partialType;
idDeclaration.Modifier = r.GetData(0) as Modifier;
var idDeclarationList = new List<IdDeclarationStatement>() { idDeclaration };
foreach (var varItem in varList)
{
IRType baseVarItemType = baseType;
pointerCount = Convert.ToInt32(varItem.Pointers);
for (int i = 0; i < pointerCount; i++)
{
baseVarItemType = new PointerType(baseVarItemType);
}
if (varItem.PartialIdDeclaration.ArrayType != null)
{
varItem.PartialIdDeclaration.ArrayType.Type = baseVarItemType;
baseVarItemType = varItem.PartialIdDeclaration.ArrayType;
}
varItem.PartialIdDeclaration.DeclarationStatement.Type = baseVarItemType;
idDeclarationList.Add(varItem.PartialIdDeclaration.DeclarationStatement);
}
return idDeclarationList;
case ProductionIndex.Vardecl_Semi2:
// <Var Decl> ::= <Type> <Var> <Var List> ';'
baseType = r.GetData(0) as IRType;
partialDeclaration = r.GetData(1) as PartialIdDeclarationStatement;
varList = r.GetData(2) as List<VarItem>;
idDeclaration = partialDeclaration.DeclarationStatement;
partialType = baseType;
if (partialDeclaration.ArrayType != null )
{
partialDeclaration.ArrayType.Type = partialType;
partialType = partialDeclaration.ArrayType;
}
idDeclaration.Type = partialType;
idDeclarationList = new List<IdDeclarationStatement>() { idDeclaration };
foreach (var varItem in varList)
{
IRType baseVarItemType = baseType;
pointerCount = Convert.ToInt32(varItem.Pointers);
for (int i = 0; i < pointerCount; i++)
{
baseVarItemType = new PointerType(baseVarItemType);
}
if (varItem.PartialIdDeclaration.ArrayType != null)
{
varItem.PartialIdDeclaration.ArrayType.Type = baseVarItemType;
baseVarItemType = varItem.PartialIdDeclaration.ArrayType;
}
varItem.PartialIdDeclaration.DeclarationStatement.Type = baseVarItemType;
idDeclarationList.Add(varItem.PartialIdDeclaration.DeclarationStatement);
}
return idDeclarationList;
case ProductionIndex.Vardecl_Semi3:
// <Var Decl> ::= <Mod> <Var> <Var List> ';'
throw new NotImplementedException("<Var Decl> ::= <Mod> <Var> <Var List> ");
case ProductionIndex.Var_Id:
// <Var> ::= Id <Array>
var arrayType = r.GetData(1) as ArrayType;
var id = r.GetData(0).ToString();
idDeclaration = new IdDeclarationStatement(id);
partialDeclaration = new PartialIdDeclarationStatement(idDeclaration, arrayType);
return partialDeclaration;
case ProductionIndex.Var_Id_Eq:
// <Var> ::= Id <Array> '=' <Op If>
arrayType = r.GetData(1) as ArrayType;
var assigment = r.GetData(3) as Expression;
id = r.GetData(0).ToString();
idDeclaration = new IdDeclarationStatement(id,assigment);
partialDeclaration = new PartialIdDeclarationStatement(idDeclaration, arrayType);
return partialDeclaration;
case ProductionIndex.Array_Lbracket_Rbracket:
// <Array> ::= '[' <Expr> ']'
var sizeExpression = r.GetData(1) as DecValue;
return new ArrayType(Convert.ToInt64(sizeExpression.Value));
case ProductionIndex.Array_Lbracket_Rbracket2:
// <Array> ::= '[' ']'
return new ArrayType();
case ProductionIndex.Array:
// <Array> ::=
return null;
case ProductionIndex.Varlist_Comma:
// <Var List> ::= ',' <Var Item> <Var List>
var varItemHead = r.GetData(1) as VarItem;
var varItemTail = r.GetData(2) as List<VarItem>;
varItemTail.InsertNotNull(0, varItemHead);
return varItemTail;
case ProductionIndex.Varlist:
// <Var List> ::=
return new List<VarItem>();
case ProductionIndex.Varitem:
// <Var Item> ::= <Pointers> <Var>
var pointers = Convert.ToInt32(r.GetData(0));
var var = r.GetData(1) as PartialIdDeclarationStatement;
return new VarItem( pointers, var);
case ProductionIndex.Mod_Extern:
// <Mod> ::= extern no extern no
break;//ver que pedo con la excepcion
case ProductionIndex.Mod_Static:
// <Mod> ::= static
return new StaticModifier();
case ProductionIndex.Mod_Register:
// <Mod> ::= register
return new RegisterModifier();
case ProductionIndex.Mod_Auto:
// <Mod> ::= auto
return new AutoModifier();
case ProductionIndex.Mod_Volatile:
// <Mod> ::= volatile no volatile no
break; //ver que pedo con la excepcion
case ProductionIndex.Mod_Const:
// <Mod> ::= const
return new ConstModifier();
case ProductionIndex.Enumdecl_Enum_Id_Lbrace_Rbrace_Semi:
// <Enum Decl> ::= enum Id '{' <Enum Def> '}' ';'
return new EnumDeclaration(r.GetData(1).ToString(), r.GetData(3) as List<EnumValue>);
case ProductionIndex.Enumdef_Comma:
// <Enum Def> ::= <Enum Val> ',' <Enum Def>
var enumHead = r.GetData(0) as EnumValue;
var enumTail = r.GetData(2) as List<EnumValue>;
enumTail.InsertNotNull(0, enumHead);
return enumTail;
case ProductionIndex.Enumdef:
// <Enum Def> ::= <Enum Val>
return new List<EnumValue> {r.GetData(0) as EnumValue};
case ProductionIndex.Enumval_Id:
// <Enum Val> ::= Id
return r.GetData(0);
case ProductionIndex.Enumval_Id_Eq_Octliteral:
// <Enum Val> ::= Id '=' OctLiteral
return new EnumValue(r.GetData(0).ToString(), Convert.ToInt32(r.GetData(2).ToString(), 8));
case ProductionIndex.Enumval_Id_Eq_Hexliteral:
// <Enum Val> ::= Id '=' HexLiteral
return new EnumValue(r.GetData(0).ToString(), Convert.ToInt32(r.GetData(2).ToString(), 16));
case ProductionIndex.Enumval_Id_Eq_Decliteral:
// <Enum Val> ::= Id '=' DecLiteral
return new EnumValue(r.GetData(0).ToString(), Convert.ToInt32(r.GetData(2).ToString(), 10));
case ProductionIndex.Type:
// <Type> ::= <Base> <Pointers>
baseType = r.GetData(0) as IRType;
pointerCount = Convert.ToInt32(r.GetData(1));
for (int i = 0; i < pointerCount; i++)
{
baseType = new PointerType(baseType);
}
return baseType;
case ProductionIndex.Base:
// <Base> ::= <Sign> <Scalar>
if (r.GetData(0).ToString() == "unsigned")
{
if ( r.GetData(1) is IntType )
{
return new UnsignedIntType();
}
else if (r.GetData(1) is ShortType)
{
return new UnsignedShortType();
}
else if (r.GetData(1) is LongType)
{
return new UnsignedLongType();
}
else if (r.GetData(1) is ShortIntType)
{
return new UnsignedShortIntType();
}
else if (r.GetData(1) is FloatType)
{
return new UnsignedFloatType();
}
else if (r.GetData(1) is LongIntType)
{
return new UnsignedLongIntType();
}
else if (r.GetData(1) is DoubleType)
{
return new UnsignedDoubleType();
}
}
return r.GetData(1);
case ProductionIndex.Base_Struct_Id:
// <Base> ::= struct Id
return new StructType(r.GetData(1).ToString());//Crear una clase para definir el tipo inferido del struct
case ProductionIndex.Base_Struct_Lbrace_Rbrace:
// <Base> ::= struct '{' <Struct Def> '}'
return new StructType(r.GetData(2) as List<DeclarationStatement>);
case ProductionIndex.Base_Union_Id:
// <Base> ::= union Id
return new UnionType(r.GetData(1).ToString());//Crear una clase para definir el tipo inferido del union
case ProductionIndex.Base_Union_Lbrace_Rbrace:
// <Base> ::= union '{' <Struct Def> '}'
return new UnionType(r.GetData(2) as List<DeclarationStatement>);
case ProductionIndex.Base_Enum_Id:
// <Base> ::= enum Id
return new EnumType(r.GetData(1).ToString());
case ProductionIndex.Sign_Signed:
// <Sign> ::= signed
return r.GetData(0);
case ProductionIndex.Sign_Unsigned:
// <Sign> ::= unsigned
return r.GetData(0);
case ProductionIndex.Sign:
// <Sign> ::=
return 0;
case ProductionIndex.Scalar_Char:
// <Scalar> ::= char
return new CharType();
case ProductionIndex.Scalar_Int:
// <Scalar> ::= int
return new IntType();
case ProductionIndex.Scalar_Short:
return new ShortType();
case ProductionIndex.Scalar_Long:
// <Scalar> ::= long
return new LongType();
case ProductionIndex.Scalar_Short_Int:
//<Scalar> ::= short int
return new ShortIntType();
case ProductionIndex.Scalar_Long_Int:
return new LongIntType();
case ProductionIndex.Scalar_Float:
return new FloatType();
case ProductionIndex.Scalar_Double:
return new DoubleType();
case ProductionIndex.Scalar_Void:
return new VoidType();
case ProductionIndex.Pointers_Times:
// <Pointers> ::= '*' <Pointers>
return Convert.ToInt32(r.GetData(1)) + 1;
case ProductionIndex.Pointers:
// <Pointers> ::=
return 0;
case ProductionIndex.Stm:
// <Stm> ::= <Var Decl>
return r.GetData(0);
case ProductionIndex.Stm_Id_Colon:
// <Stm> ::= Id ':'
return r.GetData(0).ToString(); //labelstatement class missing
case ProductionIndex.Stm_If_Lparen_Rparen:
// <Stm> ::= if '(' <Expr> ')' <Stm>
var ifDeclaration = new IfStatement(r.GetData(2) as Expression, r.GetData(4) as Statement);
return ifDeclaration;
case ProductionIndex.Stm_If_Lparen_Rparen_Else:
// <Stm> ::= if '(' <Expr> ')' <Then Stm> else <Stm>
ifDeclaration = new IfStatement(r.GetData(2) as Expression, r.GetData(4) as Statement, r.GetData(6) as Statement);
return ifDeclaration;
case ProductionIndex.Stm_While_Lparen_Rparen:
// <Stm> ::= while '(' <Expr> ')' <Stm>
var whileDeclaration = new WhileStatement(r.GetData(2) as Expression, r.GetData(4) as Statement);
return whileDeclaration;
case ProductionIndex.Stm_For_Lparen_Semi_Semi_Rparen:
// <Stm> ::= for '(' <Arg> ';' <Arg> ';' <Arg> ')' <Stm>
var forDeclaration = new ForStatement(r.GetData(2) as Expression, r.GetData(4) as Expression, r.GetData(6) as Expression,
r.GetData(8) as Statement);
return forDeclaration;
case ProductionIndex.Stm2:
// <Stm> ::= <Normal Stm>
return r.GetData(0);
case ProductionIndex.Thenstm_If_Lparen_Rparen_Else:
// <Then Stm> ::= if '(' <Expr> ')' <Then Stm> else <Then Stm>
ifDeclaration = new IfStatement(r.GetData(2) as Expression, r.GetData(4) as Statement, r.GetData(6) as Statement);
return ifDeclaration;
case ProductionIndex.Thenstm_While_Lparen_Rparen:
// <Then Stm> ::= while '(' <Expr> ')' <Then Stm>
whileDeclaration = new WhileStatement(r.GetData(2) as Expression, r.GetData(4) as Statement);
return whileDeclaration;
case ProductionIndex.Thenstm_For_Lparen_Semi_Semi_Rparen:
// <Then Stm> ::= for '(' <Arg> ';' <Arg> ';' <Arg> ')' <Then Stm>
forDeclaration = new ForStatement(r.GetData(2) as Expression, r.GetData(4) as Expression, r.GetData(6) as Expression,
r.GetData(8) as Statement);
return forDeclaration;
case ProductionIndex.Thenstm:
// <Then Stm> ::= <Normal Stm>
return r.GetData(0);
case ProductionIndex.Normalstm_Do_While_Lparen_Rparen:
// <Normal Stm> ::= do <Stm> while '(' <Expr> ')'
var doDeclaration = new DoStatement(r.GetData(1) as Statement, r.GetData(4) as Expression);
return doDeclaration;
case ProductionIndex.Normalstm_Switch_Lparen_Rparen_Lbrace_Rbrace:
// <Normal Stm> ::= switch '(' <Expr> ')' '{' <Case Stms> '}'
var switchDeclaration = new SwitchStatement(r.GetData(2) as Expression, r.GetData(5) as List<DefaultCaseStatement>);
return switchDeclaration;
case ProductionIndex.Normalstm:
// <Normal Stm> ::= <Block>
return r.GetData(0);
case ProductionIndex.Normalstm_Semi:
// <Normal Stm> ::= <Expr> ';'
var expressionStatement = new ExpressionStatement(r.GetData(0) as Expression);
return expressionStatement;
case ProductionIndex.Normalstm_Goto_Id_Semi:
// <Normal Stm> ::= goto Id ';'
return new GoToIdStatement(); //guardar el id
case ProductionIndex.Normalstm_Break_Semi:
// <Normal Stm> ::= break ';'
return new BreakStatement();
case ProductionIndex.Normalstm_Continue_Semi:
// <Normal Stm> ::= continue ';'
return new ContinueStatement();
case ProductionIndex.Normalstm_Return_Semi:
// <Normal Stm> ::= return <Expr> ';'
return new ReturnStatement(r.get_Data(1) as Expression);
case ProductionIndex.Normalstm_Semi2:
// <Normal Stm> ::= ';'
return new NoOpExpression();
case ProductionIndex.Arg:
// <Arg> ::= <Expr>
return r.GetData(0);
case ProductionIndex.Arg2:
// <Arg> ::=
return new NoOpExpression();
case ProductionIndex.Casestms_Case_Colon:
// <Case Stms> ::= case <Value> ':' <Stm List> <Case Stms>
var caseStatementHead = new CaseStatement(r.GetData(1) as ValueExpression, r.GetData(3) as List<Statement>);
var caseStatementTail = r.GetData(4) as List<DefaultCaseStatement>;
caseStatementTail.InsertNotNull(0, caseStatementHead);
return caseStatementTail;
case ProductionIndex.Casestms_Default_Colon:
// <Case Stms> ::= default ':' <Stm List>
return new List<DefaultCaseStatement>() { new DefaultCaseStatement(r.GetData(2) as List<Statement>) };
case ProductionIndex.Casestms:
// <Case Stms> ::=
return new List<DefaultCaseStatement>();
case ProductionIndex.Block_Lbrace_Rbrace:
// <Block> ::= '{' <Stm List> '}'
return new BlockStatement(r.GetData(1) as List<Statement>);
case ProductionIndex.Stmlist:
// <Stm List> ::= <Stm> <Stm List>
var statemetListTail = r.GetData(1) as List<Statement>;
var declList = r.GetData(0) as List<IdDeclarationStatement>;
if (declList != null)
{
var statementList = new List<Statement>();
foreach (var dec in declList)
{
statementList.AddNotNull(dec);
}
foreach (var TailItem in statemetListTail)
{
statementList.AddNotNull(TailItem);
}
return statementList;
}
statemetListTail.InsertNotNull(0, r.GetData(0) as Statement);
return statemetListTail;
case ProductionIndex.Stmlist2:
// <Stm List> ::=
return new List<Statement>();
case ProductionIndex.Expr_Comma:
// <Expr> ::= <Expr> ',' <Op Assign>
var expr = r.GetData(0) as ExpressionList;
if (expr != null)
{
return new ExpressionList(expr, r.GetData(2) as Expression);
}
else
return new ExpressionList(r.GetData(0) as Expression, r.GetData(2) as Expression);
case ProductionIndex.Expr:
// <Expr> ::= <Op Assign>
return r.GetData(0);
case ProductionIndex.Opassign_Eq:
// <Op Assign> ::= <Op If> '=' <Op Assign>
return new AssignExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Pluseq:
// <Op Assign> ::= <Op If> '+=' <Op Assign>
return new AdditionAssignmentExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Minuseq:
// <Op Assign> ::= <Op If> '-=' <Op Assign>
return new SubtractionAsigExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Timeseq:
// <Op Assign> ::= <Op If> '*=' <Op Assign>
return new MultiplicationAsigExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Diveq:
// <Op Assign> ::= <Op If> '/=' <Op Assign>
return new DivisionAsigExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Careteq:
// <Op Assign> ::= <Op If> '^=' <Op Assign>
return new BitwiseXorAssignmentExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Ampeq:
// <Op Assign> ::= <Op If> '&=' <Op Assign>
return new BitwiseAndAssignExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Pipeeq:
// <Op Assign> ::= <Op If> '|=' <Op Assign>
return new BitwiseOrAssigExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Gtgteq:
// <Op Assign> ::= <Op If> '>>=' <Op Assign>
return new BitwiseRightShiftAssigExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign_Ltlteq:
// <Op Assign> ::= <Op If> '<<=' <Op Assign>
return new BitwiseLeftShiftAssigExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opassign:
// <Op Assign> ::= <Op If>
return r.get_Data(0);
case ProductionIndex.Opif_Question_Colon:
// <Op If> ::= <Op Or> '?' <Op If> ':' <Op If>
return new TernaryConditional(r.GetData(0) as Expression, r.GetData(2) as Expression, r.GetData(4) as Expression);
case ProductionIndex.Opif:
// <Op If> ::= <Op Or>
return r.get_Data(0);
case ProductionIndex.Opor_Pipepipe:
// <Op Or> ::= <Op Or> '||' <Op And>
return new LogicalOrExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opor:
// <Op Or> ::= <Op And>
return r.get_Data(0);
case ProductionIndex.Opand_Ampamp:
// <Op And> ::= <Op And> '&&' <Op BinOR>
return new LogicAndExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opand:
// <Op And> ::= <Op BinOR>
return r.get_Data(0);
case ProductionIndex.Opbinor_Pipe:
// <Op BinOR> ::= <Op BinOR> '|' <Op BinXOR>
return new BitwiseOrExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opbinor:
// <Op BinOR> ::= <Op BinXOR>
return r.get_Data(0);
case ProductionIndex.Opbinxor_Caret:
// <Op BinXOR> ::= <Op BinXOR> '^' <Op BinAND>
return new BitwiseXorExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opbinxor:
// <Op BinXOR> ::= <Op BinAND>
return r.get_Data(0);
case ProductionIndex.Opbinand_Amp:
// <Op BinAND> ::= <Op BinAND> '&' <Op Equate>
return new BitwiseAndExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opbinand:
// <Op BinAND> ::= <Op Equate>
return r.get_Data(0);
case ProductionIndex.Opequate_Eqeq:
// <Op Equate> ::= <Op Equate> '==' <Op Compare>
return new EqualsExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opequate_Exclameq:
// <Op Equate> ::= <Op Equate> '!=' <Op Compare>
return new NotEqualExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opequate:
// <Op Equate> ::= <Op Compare>
return r.get_Data(0);
case ProductionIndex.Opcompare_Lt:
// <Op Compare> ::= <Op Compare> '<' <Op Shift>
return new LessThanExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opcompare_Gt:
// <Op Compare> ::= <Op Compare> '>' <Op Shift>
return new GreaterThanExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opcompare_Lteq:
// <Op Compare> ::= <Op Compare> '<=' <Op Shift>
return new LessOrEqualToExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opcompare_Gteq:
// <Op Compare> ::= <Op Compare> '>=' <Op Shift>
return new GreaterOrEqualExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opcompare:
// <Op Compare> ::= <Op Shift>
return r.get_Data(0);
case ProductionIndex.Opshift_Ltlt:
// <Op Shift> ::= <Op Shift> '<<' <Op Add>
return new BitwiseLeftShiftExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opshift_Gtgt:
return new BitwiseRightShiftExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opshift:
// <Op Shift> ::= <Op Add>
return r.get_Data(0);
case ProductionIndex.Opadd_Plus:
// <Op Add> ::= <Op Add> '+' <Op Mult>
return new AddExpression(left: r.get_Data(0) as Expression, right: r.get_Data(2) as Expression);
case ProductionIndex.Opadd_Minus:
// <Op Add> ::= <Op Add> '-' <Op Mult>
return new SubExpression(left: r.get_Data(0) as Expression, right: r.get_Data(2) as Expression);
case ProductionIndex.Opadd:
// <Op Add> ::= <Op Mult>
return r.get_Data(0);
case ProductionIndex.Opmult_Times:
// <Op Mult> ::= <Op Mult> '*' <Op Unary>
return new MulExpression(left: r.get_Data(0) as Expression, right: r.get_Data(2) as Expression);
case ProductionIndex.Opmult_Div:
// <Op Mult> ::= <Op Mult> '/' <Op Unary>
return new DivisionExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opmult_Percent:
// <Op Mult> ::= <Op Mult> '%' <Op Unary>
return new ModExpression(left: r.GetData(0) as Expression, right: r.GetData(2) as Expression);
case ProductionIndex.Opmult:
// <Op Mult> ::= <Op Unary>
return r.get_Data(0);
case ProductionIndex.Opunary_Exclam:
// <Op Unary> ::= '!' <Op Unary>
return new NotEqualToExpression(r.GetData(1) as Expression);
case ProductionIndex.Opunary_Tilde:
// <Op Unary> ::= '~' <Op Unary>
return new OneComplementExpression(r.get_Data(1) as Expression);
case ProductionIndex.Opunary_Minus:
// <Op Unary> ::= '-' <Op Unary>
return new NegateExpression(r.get_Data(1) as Expression);
case ProductionIndex.Opunary_Times:
// <Op Unary> ::= '*' <Op Unary>
return new PointerExpression(r.get_Data(1) as Expression);
case ProductionIndex.Opunary_Amp:
// <Op Unary> ::= '&' <Op Unary>
return new ReferenceExpression(r.get_Data(1) as Expression);
case ProductionIndex.Opunary_Plusplus:
// <Op Unary> ::= '++' <Op Unary>
return new PreIncrementExpression(r.get_Data(1) as Expression);
case ProductionIndex.Opunary_Minusminus:
// <Op Unary> ::= '--' <Op Unary>
return new PreDecrementExpression(r.GetData(1) as Expression);
case ProductionIndex.Opunary_Plusplus2:
// <Op Unary> ::= <Op Pointer> '++'
return new PostIncrementExpression(r.get_Data(0) as Expression);
case ProductionIndex.Opunary_Minusminus2:
// <Op Unary> ::= <Op Pointer> '--'
return new PostDecrementExpression(r.GetData(0) as Expression);
case ProductionIndex.Opunary_Lparen_Rparen:
// <Op Unary> ::= '(' <Type> ')' <Op Unary>
break;
case ProductionIndex.Opunary_Sizeof_Lparen_Rparen:
// <Op Unary> ::= sizeof '(' <Type> ')'
break;
case ProductionIndex.Opunary_Sizeof_Lparen_Id_Rparen:
// <Op Unary> ::= sizeof '(' Id <Pointers> ')'
break;
case ProductionIndex.Opunary:
// <Op Unary> ::= <Op Pointer>
return r.get_Data(0);
case ProductionIndex.Oppointer_Dot:
// <Op Pointer> ::= <Op Pointer> '.' <Value>
return new PointerReferenceAccessExpr(r.GetData(0) as Expression, r.GetData(2) as Expression);
case ProductionIndex.Oppointer_Minusgt:
// <Op Pointer> ::= <Op Pointer> '->' <Value>
return new PointerAccessExpr(r.GetData(0) as Expression, r.GetData(2) as Expression);
case ProductionIndex.Oppointer_Lbracket_Rbracket:
// <Op Pointer> ::= <Op Pointer> '[' <Expr> ']'
return new PointerArrayAccessExpr(r.GetData(0) as Expression, r.GetData(2) as Expression);
case ProductionIndex.Oppointer:
// <Op Pointer> ::= <Value>
return r.get_Data(0);
case ProductionIndex.Value_Octliteral:
// <Value> ::= OctLiteral
return new DecValue(Convert.ToInt32(r.get_Data(0).ToString(),8));
case ProductionIndex.Value_Hexliteral:
// <Value> ::= HexLiteral
return new DecValue(Convert.ToInt32(r.GetData(0).ToString(),16));
case ProductionIndex.Value_Decliteral:
// <Value> ::= DecLiteral
return new DecValue(Convert.ToInt32(r.get_Data(0)));
case ProductionIndex.Value_Stringliteral:
// <Value> ::= StringLiteral
return new StringLiteral(r.GetData(0).ToString());
case ProductionIndex.Value_Charliteral:
// <Value> ::= CharLiteral
return new CharLiteral(Convert.ToByte(Convert.ToChar(r.GetData(0))));
case ProductionIndex.Value_Floatliteral:
// <Value> ::= FloatLiteral
return new FloatLiteral(Convert.ToDouble(r.GetData(0)));
case ProductionIndex.Value_Id_Lparen_Rparen:
// <Value> ::= Id '(' <Expr> ')'
return new FunctionCallExpression(r.GetData(0).ToString(),r.GetData(2) as Expression);
case ProductionIndex.Value_Id_Lparen_Rparen2:
// <Value> ::= Id '(' ')'
return new FunctionCallExpression(r.GetData(0).ToString());
case ProductionIndex.Value_Id:
// <Value> ::= Id
if (r.GetData(0).ToString() == "true")
{
return new DecValue(1);
}
else
if (r.GetData(0).ToString() == "false")
{
return new DecValue(0);
}
else
return new IdValue(r.GetData(0).ToString());
case ProductionIndex.Value_Lparen_Rparen:
// <Value> ::= '(' <Expr> ')'
return r.GetData(1) as Expression;
} //switch
return result;
}
private void WriteWhileStatement(WhileStatement whileStatement, StringBuilder programBuilder)
{
programBuilder.Append("_Loop: ");
programBuilder.AppendLine();
var register = WriteExpr(whileStatement.Expressions, registerFile, programBuilder);
programBuilder.AppendFormat("\tbne {0}, 0, Loop", register);
programBuilder.AppendFormat("\t# Si {0} es verdadera, sigue el ciclo", whileStatement.Expressions.ToString());
programBuilder.AppendLine();
WriteBlock(whileStatement.Statements as BlockStatement, programBuilder);
programBuilder.Append("\tj _Loop");
programBuilder.Append("\t\t\t# Regresa al loop");
programBuilder.AppendLine();
}