First public commit!

This commit is contained in:
Juan Carlos Pujol Mainegra
2017-08-18 03:07:43 -05:00
parent 2c754790e6
commit 5a8ddf6978
91 changed files with 17165 additions and 1 deletions

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using YATC.Scope;
namespace YATC.ASTNodes
{
abstract class ArithmeticNode : BinaryNode
{
protected ArithmeticNode(IToken payload)
: base(payload)
{
}
public override void CheckSemantics(TigerScope scope, Report report)
{
base.CheckSemantics(scope, report);
bool bothOk = this.LeftOperandNode.IsOk && this.RightOperandNode.IsOk;
if (this.LeftOperandNode.IsOk)
{
if (this.LeftOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary arithmetic operator with a non-valued left expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
else
if (this.LeftOperandNode.TigerType.Basetype != BaseType.Int)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary arithmetic operator with a non-int left expression: '{0}' was found.",
this.LeftOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
}
if (this.RightOperandNode.IsOk)
{
if (this.RightOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary arithmetic operator with a non-valued right expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
else
if (this.RightOperandNode.TigerType.Basetype != BaseType.Int)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary arithmetic operator with a non-int right expression: '{0}' was found.",
this.RightOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
}
this.TigerType = bothOk ? TigerType.Int : TigerType.Error;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Linq.Expressions;
using Antlr.Runtime;
namespace YATC.ASTNodes
{
class DivNode : ArithmeticNode
{
public DivNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.Divide;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Linq.Expressions;
using Antlr.Runtime;
namespace YATC.ASTNodes
{
class MinusNode : ArithmeticNode
{
public MinusNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.Subtract;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Linq.Expressions;
using Antlr.Runtime;
namespace YATC.ASTNodes
{
class MultNode : ArithmeticNode
{
public MultNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.Multiply;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Linq.Expressions;
using Antlr.Runtime;
namespace YATC.ASTNodes
{
class PlusNode : ArithmeticNode
{
public PlusNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.Add;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
using System.Reflection.Emit;
using YATC.Scope;
namespace YATC.ASTNodes
{
abstract class BinaryNode : ExpressionNode
{
public BinaryNode(IToken payload)
: base(payload)
{
}
protected ExpressionType ExpressionType;
public ExpressionNode LeftOperandNode { get { return (ExpressionNode)TigerChildren[0]; } }
public ExpressionNode RightOperandNode { get { return (ExpressionNode)TigerChildren[1]; } }
public override void CheckSemantics(TigerScope scope, Report report)
{
this.LeftOperandNode.CheckSemantics(scope, report);
this.RightOperandNode.CheckSemantics(scope, report);
if (!this.LeftOperandNode.IsOk || !this.RightOperandNode.IsOk)
// No se reporta el error para evitar cascadas de errores
this.TigerType = TigerType.Error;
}
internal override void GenerateCode(ModuleBuilder moduleBuilder)
{
this.LeftOperandNode.GenerateCode(moduleBuilder);
this.RightOperandNode.GenerateCode(moduleBuilder);
this.VmExpression = Expression.MakeBinary(this.ExpressionType,
this.LeftOperandNode.VmExpression,
this.RightOperandNode.VmExpression
);
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
class AndNode : LogicNode
{
public AndNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.AndAlso;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
using System.Reflection.Emit;
using YATC.Scope;
namespace YATC.ASTNodes
{
abstract class LogicNode : BinaryNode
{
protected LogicNode(IToken payload)
: base(payload)
{
}
public override void CheckSemantics(TigerScope scope, Report report)
{
base.CheckSemantics(scope, report);
bool bothOk = this.LeftOperandNode.IsOk && this.RightOperandNode.IsOk;
if (this.LeftOperandNode.IsOk)
{
if (this.LeftOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary logical operator with a non-valued left expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
else
if (this.LeftOperandNode.TigerType.Basetype != BaseType.Int)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary logical operator with a non-int left expression: '{0}' was found.",
this.LeftOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
}
if (this.RightOperandNode.IsOk)
{
if (this.RightOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary logical operator with a non-valued right expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
else
if (this.RightOperandNode.TigerType.Basetype != BaseType.Int)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary logical operator with a non-int right expression: '{0}' was found.",
this.RightOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
}
this.TigerType = bothOk ? TigerType.Int : TigerType.Error;
}
internal override void GenerateCode(ModuleBuilder moduleBuilder)
{
this.LeftOperandNode.GenerateCode(moduleBuilder);
this.RightOperandNode.GenerateCode(moduleBuilder);
this.LeftOperandNode.VmExpression = Expression.NotEqual(this.LeftOperandNode.VmExpression,
Expression.Constant(0));
this.RightOperandNode.VmExpression = Expression.NotEqual(this.RightOperandNode.VmExpression,
Expression.Constant(0));
this.VmExpression = Expression.MakeBinary(this.ExpressionType,
this.LeftOperandNode.VmExpression,
this.RightOperandNode.VmExpression
);
this.VmExpression = Expression.Condition(this.VmExpression, Expression.Constant(1), Expression.Constant(0));
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Linq.Expressions;
using Antlr.Runtime;
namespace YATC.ASTNodes
{
class OrNode : LogicNode
{
public OrNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.OrElse;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
class EqNode : IdentityNode
{
public EqNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.Equal;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using YATC.Scope;
namespace YATC.ASTNodes
{
abstract class IdentityNode : RelationalNode
{
protected IdentityNode(IToken payload)
: base(payload)
{
}
public override void CheckSemantics(TigerScope scope, Report report)
{
base.CheckSemantics(scope, report);
bool bothOk = this.LeftOperandNode.IsOk && this.RightOperandNode.IsOk;
if (LeftOperandNode.IsOk && this.LeftOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary identity operator with a non-valued left expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
if (this.RightOperandNode.IsOk && this.RightOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary identity operator with a non-valued right expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
if (this.LeftOperandNode.TigerType.Basetype == BaseType.Nil &&
this.RightOperandNode.TigerType.Basetype == BaseType.Nil)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary identity operator with two nils.");
this.TigerType = TigerType.Error;
bothOk = false;
}
if (bothOk &&
!LeftOperandNode.TigerType.IsAssignableTo(RightOperandNode.TigerType) &&
!RightOperandNode.TigerType.IsAssignableTo(LeftOperandNode.TigerType))
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary identity operator with different types: '{0}' and '{1}' were found.",
this.LeftOperandNode.TigerType.Name,
this.RightOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
this.TigerType = bothOk ? TigerType.Int : TigerType.Error;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
class NoteqNode : IdentityNode
{
public NoteqNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.NotEqual;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
/// <summary>
/// Mayor o igual que ">="
/// </summary>
class GteqNode : OrderNode
{
public GteqNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.GreaterThanOrEqual;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
/// <summary>
/// Mayor que ">"
/// </summary>
class GtNode : OrderNode
{
public GtNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.GreaterThan;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
/// <summary>
/// Menor o igual "<="
/// </summary>
class LteqNode : OrderNode
{
public LteqNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.LessThanOrEqual;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
namespace YATC.ASTNodes
{
/// <summary>
/// Menor que "<"
/// </summary>
class LtNode : OrderNode
{
public LtNode(IToken payload)
: base(payload)
{
this.ExpressionType = ExpressionType.LessThan;
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Linq.Expressions;
using System.Reflection;
using System.Reflection.Emit;
using Antlr.Runtime;
using YATC.Scope;
namespace YATC.ASTNodes
{
abstract class OrderNode : RelationalNode
{
protected OrderNode(IToken payload)
: base(payload)
{
}
public override void CheckSemantics(TigerScope scope, Report report)
{
base.CheckSemantics(scope, report);
bool bothOk = this.LeftOperandNode.IsOk && this.RightOperandNode.IsOk;
if (this.LeftOperandNode.IsOk)
{
if (this.LeftOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary order operator with a non-valued left expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
else
if (this.LeftOperandNode.TigerType.Basetype != BaseType.Int &&
this.LeftOperandNode.TigerType.Basetype != BaseType.String)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary order operator with a non-int or non-string left expression: '{0}' was found.",
this.LeftOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
}
if (this.RightOperandNode.IsOk)
{
if (this.RightOperandNode.TigerType.Basetype == BaseType.Void)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary order operator with a non-valued right expression.");
this.TigerType = TigerType.Error;
bothOk = false;
}
else
if (this.RightOperandNode.TigerType.Basetype != BaseType.Int &&
this.RightOperandNode.TigerType.Basetype != BaseType.String)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary order operator with a non-int or non-string right expression: '{0}' was found.",
this.RightOperandNode.TigerType.Name);
this.TigerType = TigerType.Error;
bothOk = false;
}
}
if (bothOk && this.LeftOperandNode.TigerType.Basetype != this.RightOperandNode.TigerType.Basetype)
{
report.AddError(this.Line, this.Column,
"Type mismatch: Invalid use of binary order operator with string and int expressions.");
this.TigerType = TigerType.Error;
return;
}
this.TigerType = bothOk ? TigerType.Int : TigerType.Error;
}
internal override void GenerateCode(ModuleBuilder moduleBuilder)
{
this.LeftOperandNode.GenerateCode(moduleBuilder);
this.RightOperandNode.GenerateCode(moduleBuilder);
if (this.LeftOperandNode.TigerType.Basetype == BaseType.String &&
this.RightOperandNode.TigerType.Basetype == BaseType.String)
{
MethodInfo compareString = ((Func<string, string, int>)String.Compare).Method;
ParameterExpression value = Expression.Parameter(typeof (int));
Expression compareCall = Expression.Call(compareString,
this.LeftOperandNode.VmExpression,
this.RightOperandNode.VmExpression);
Expression condition = null;
switch (this.ExpressionType)
{
case ExpressionType.GreaterThan:
condition = Expression.GreaterThan(value, Expression.Constant(0));
break;
case ExpressionType.GreaterThanOrEqual:
condition = Expression.GreaterThanOrEqual(value, Expression.Constant(0));
break;
case ExpressionType.LessThan:
condition = Expression.LessThan(value, Expression.Constant(0));
break;
case ExpressionType.LessThanOrEqual:
condition = Expression.LessThanOrEqual(value, Expression.Constant(0));
break;
}
Expression block = Expression.Block(
new ParameterExpression[] {value},
new Expression[]
{
Expression.Assign(value, compareCall),
Expression.Condition(condition, Expression.Constant(1), Expression.Constant(0))
}
);
this.VmExpression = block;
}
else
{
Expression opHolds = Expression.MakeBinary(this.ExpressionType,
this.LeftOperandNode.VmExpression,
this.RightOperandNode.VmExpression);
this.VmExpression = Expression.Condition(opHolds, Expression.Constant(1), Expression.Constant(0));
}
}
}
}

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/*
* Yet Another Tiger Compiler (YATC)
*
* Copyright 2014 Damian Valdés Santiago, Juan Carlos Pujol Mainegra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using Antlr.Runtime;
using System.Linq.Expressions;
using System.Reflection.Emit;
namespace YATC.ASTNodes
{
abstract class RelationalNode : BinaryNode
{
protected RelationalNode(IToken payload)
: base(payload)
{
}
internal override void GenerateCode(ModuleBuilder moduleBuilder)
{
base.GenerateCode(moduleBuilder);
this.VmExpression = Expression.Condition(this.VmExpression, Expression.Constant(1), Expression.Constant(0));
}
}
}