source/astflow.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
  26         namespace Ast
  27         {
  28 /*       class IfExpr : public Expression */
  29 /*       { */
  30 /*               Ast::SourceLocation loc_; */
  31 /*               Expression * predicate_; */
  32 /*               Expression * consequence_; */
  33 /*               Expression * alternative_; */
  34 /*       public: */
  35 /*               IfExpr( const Ast::SourceLocation & loc, Expression * predicate, Expression * consequence, Expression * alternative ); */
  36 /*               IfExpr( const Ast::SourceLocation & loc, Expression * predicate, Expression * consequence ); */
  37 /*               virtual ~IfExpr( ); */
  38 /*               virtual void eval( Kernel::EvalState * evalState ) const; */
  39 /*               virtual const Ast::SourceLocation & firstLoc( ) const; */
  40 /*               virtual const Ast::SourceLocation & lastLoc( ) const; */
  41 /*       }; */
  42
  43         class LetDynamicECExpr : public Expression
  44         {
  45                 Ast::SourceLocation idLoc_;
  46                 const char * id_;
  47                 Expression * expr_;
  48         public:
  49                 LetDynamicECExpr( const Ast::SourceLocation & loc, const Ast::SourceLocation & idLoc, const char * id, Expression * expr );
  50                 virtual ~LetDynamicECExpr( );
  51                 virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  52                 virtual void eval( Kernel::EvalState * evalState ) const;
  53         };
  54
  55         /* This isn't a function in the sense that it returns.
  56          */
  57         class ContinueDynamicECFunction : public Lang::Function
  58         {
  59                 Ast::SourceLocation idLoc_;
  60                 const char * id_;
  61                 Expression * expr_;
  62         public:
  63                 ContinueDynamicECFunction( const Ast::SourceLocation & idLoc, const char * id, Expression * expr );
  64                 virtual ~ContinueDynamicECFunction( );
  65                 void push_exprs( Ast::ArgListExprs * args ) const;
  66                 virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  67                 virtual void call( Kernel::EvalState * evalState, Kernel::Arguments & args, const Ast::SourceLocation & callLoc ) const;
  68                 virtual void gcMark( Kernel::GCMarkedSet & marked ){ };
  69                 virtual bool isTransforming( ) const { return false; }
  70         };
  71
  72         class GetECBacktraceExpr : public Expression
  73         {
  74                 Ast::SourceLocation idLoc_;
  75                 const char * id_;
  76         public:
  77                 GetECBacktraceExpr( const Ast::SourceLocation & idLoc, const char * id );
  78                 virtual ~GetECBacktraceExpr( );
  79                 virtual void analyze_impl( Ast::Node * parent, Ast::AnalysisEnvironment * env, Ast::StateIDSet * freeStatesDst );
  80                 virtual void eval( Kernel::EvalState * evalState ) const;
  81         };
  82
  83         /*
  84         class IfChain : public Expression
  85         {
  86                 Ast::SourceLocation loc_;
  87                 std::list< IfExpr * > * clauses_;
  88                 Expression * elseexpr_;
  89         public:
  90                 IfChain( const Ast::SourceLocation & loc, std::list< IfExpr * > * clauses, Expression * elseexpr );
  91                 IfChain( const Ast::SourceLocation & loc, std::list< IfExpr * > * clauses );
  92                 virtual ~IfChain( );
  93                 virtual void eval( Kernel::EvalState * evalState ) const;
  94                 virtual const Ast::SourceLocation & firstLoc( ) const;
  95                 virtual const Ast::SourceLocation & lastLoc( ) const;
  96         };
  97         */
  98
  99         }
 100 }