source/astvalues.h

   1 /* This file is part of Shapes.
   2  *
   3  * Shapes is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * any later version.
   7  *
   8  * Shapes is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with Shapes.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  * Copyright 2008 Henrik Tidefelt
  17  */
  18
  19 #pragma once
  20
  21 #include "ast.h"
  22
  23 namespace Shapes
  24 {
  25         namespace Ast
  26         {
  27
  28                 class Constant : public Expression
  29                 {
  30                         Kernel::VariableHandle val_;
  31                 public:
  32                         Constant( const Ast::SourceLocation & loc, const Kernel::VariableHandle & val );
  33                         Constant( const Ast::SourceLocation & loc, RefCountPtr< const Lang::Value > val );
  34                         Constant( const Ast::SourceLocation & loc, const Lang::Value * val );
  35                         virtual ~Constant( );
  36                         virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  37                         virtual void eval( Kernel::EvalState * evalState ) const;
  38                 };
  39
  40                 class PolarHandle2DExpr : public Expression
  41                 {
  42                         Ast::Expression * rExpr_;
  43                         Ast::Expression * aExpr_;
  44                 public:
  45                         PolarHandle2DExpr( const Ast::SourceLocation & loc, Ast::Expression * rExpr, Ast::Expression * aExpr );
  46                         virtual ~PolarHandle2DExpr( );
  47                         virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  48                         virtual void eval( Kernel::EvalState * evalState ) const;
  49                 };
  50
  51                 class PolarHandle2DExprFree_a : public Expression
  52                 {
  53                         Ast::Expression * rExpr_;
  54                 public:
  55                         PolarHandle2DExprFree_a( const Ast::SourceLocation & loc, Ast::Expression * rExpr );
  56                         virtual ~PolarHandle2DExprFree_a( );
  57                         virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  58                         virtual void eval( Kernel::EvalState * evalState ) const;
  59                 };
  60
  61                 /* This class really doesn't fit in any file, but here it is!
  62                  */
  63                 class EmptyExpression : public Expression
  64                 {
  65                 public:
  66                         EmptyExpression( const Ast::SourceLocation & loc );
  67                         virtual ~EmptyExpression( );
  68                         virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  69                         virtual void eval( Kernel::EvalState * evalState ) const;
  70                 };
  71
  72         }
  73
  74         namespace Kernel
  75         {
  76
  77                 class PolarHandle2DCont : public Kernel::Continuation
  78                 {
  79                         RefCountPtr< Kernel::PolarHandlePromise > rPromise_;
  80                         Kernel::ContRef cont_;
  81                 public:
  82                         PolarHandle2DCont( const Ast::SourceLocation & _traceLoc, const RefCountPtr< Kernel::PolarHandlePromise > & rPromise, const Kernel::ContRef & cont );
  83                         virtual ~PolarHandle2DCont( );
  84                         virtual void takeValue( const RefCountPtr< const Lang::Value > & val, Kernel::EvalState * evalState, bool dummy ) const;
  85                         virtual Kernel::ContRef up( ) const;
  86                         virtual RefCountPtr< const char > description( ) const;
  87                         virtual void gcMark( Kernel::GCMarkedSet & marked );
  88                 };
  89
  90         }
  91
  92 }