2b0291afdb
Files correlati : ba0 ba8 Ricompilazione Demo : [ ] Commento : ba0 aggiunto meccanismo di chiusura automatica in caso di installazione modulo sys ba8 aggiunto converitore di form primordiale git-svn-id: svn://10.65.10.50/trunk@12048 c028cbd2-c16b-5b4b-a496-9718f37d4682
72 lines
1.5 KiB
C++
Executable File
72 lines
1.5 KiB
C++
Executable File
#ifndef __ALEX_H
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#define __ALEX_H
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#ifndef __RECORDSET_H
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#include "ba8201.h"
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#endif
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class TVariant_stack : public TObject
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{
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TArray _var;
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int _sp;
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public:
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int items() const { return _sp; }
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bool drop();
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TVariant& pop();
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TVariant& peek(int depth = 0);
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void roll(int depth);
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bool push(const TVariant& var);
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bool push(long n);
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bool push(const real& n);
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bool push(const TString& str);
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void reset();
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TVariant_stack() : _sp(0) { }
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};
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// Generic bytecode for any language
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class TBytecode : public TArray
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{
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TString _name;
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public:
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void set_name(const char* name) { _name = name; }
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const TString& name() const { return _name; }
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};
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// ALEX = Another Language EXtension
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class TAVM;
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class TAlex_virtual_machine : public TObject
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{
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TAVM* _avm; // Chesire's cat class
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protected:
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TAVM& avm();
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public:
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virtual size_t get_usr_words(TString_array& names) const;
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virtual bool execute_usr_word(unsigned int opcode, TVariant_stack& stack);
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virtual bool get_usr_val(const TString& name, TVariant& var) const;
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virtual bool set_usr_val(const TString& name, const TVariant& var);
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const TString& get_last_error() const;
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bool compile(istream& instr, TBytecode& bc);
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bool compile(const char* cmd, TBytecode& bc);
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bool execute(const TBytecode& bc, ostream& outstr);
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bool execute(const TBytecode& bc, TString& outstr);
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bool fload(const char* fname);
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void warm_restart();
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void cold_restart();
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TAlex_virtual_machine();
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virtual ~TAlex_virtual_machine();
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};
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#endif
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