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newrpl/newrpl.h
claudio 1c44d6750b Improved symbolic support
2014-08-07 23:01:37 -04:00

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/*
* Copyright (c) 2014, Claudio Lapilli and the newRPL Team
* All rights reserved.
* This file is released under the 3-clause BSD license.
* See the file LICENSE.txt that shipped with this distribution.
*/
#ifndef NEWRPL_H
#define NEWRPL_H
#ifndef MPDECIMAL_H
#include "mpdecimal.h"
#endif
// EXTERNAL API FOR THE NEWRPL MACHINE - TO BE USED ONLY BY USER LIBRARIES
// BASIC CONSTANTS AND TYPE DEFINITIONS FOR THE RUN ENVIRONMENT
typedef void (*LIBHANDLER)(void);
typedef uint32_t WORD;
typedef uint8_t BYTE;
typedef WORD *WORDPTR;
typedef BYTE *BYTEPTR;
typedef int32_t BINT;
typedef uint32_t UBINT;
typedef int64_t BINT64;
typedef uint64_t UBINT64;
#ifdef __cplusplus
extern "C" {
#endif
// CONSTANTS THAT CONTROL THE MAIN RPL ENGINE
// NUMBER OF STATIC REGISTERS FOR FAST HANDLING OF REAL NUMBERS
#define REAL_REGISTERS 10
// NUMBER OF SIMULTANEOUS CONVERSIONS OF BINT TO REALS THAT CAN BE DONE
#define BINT2REAL 4
// MAXIMUM PRECISION ALLOWED IN THE SYSTEM
// MAKE SURE REAL_SCRATCHMEM CAN HAVE AT LEAST "REAL_REGISTERS*PRECISION_MAX*2/9" WORDS
// WARNING: THIS CONSTANT CANNOT BE CHANGED UNLESS ALL PRECOMPUTED CONSTANT TABLES ARE CHANGED ACCORDINGLY
#define REAL_PRECISION_MAX 2016
// SCRATCHPAD MEMORY TO ALLOCATE DIGITS FOR ARBITRARY PRECISION TEMP RESULTS
// THIS IS THE NUMBER OF WORDS, EACH GOOD FOR 9 DIGITS.
#define REAL_REGISTER_STORAGE ((REAL_PRECISION_MAX*2)/9+3)
#define BINT_REGISTER_STORAGE 3
#define EXTRA_STORAGE BINT2REAL*BINT_REGISTER_STORAGE
#define REAL_SCRATCHMEM (REAL_REGISTERS*REAL_REGISTER_STORAGE)+EXTRA_STORAGE
#define RREG_STORAGE_START EXTRA_STORAGE
// DEFINE THE LIMITS FOR THE EXPONENT RANGE FOR ALL REALS
// NOTE: THIS HAS TO FIT WITHIN THE FIELDS OF REAL_HEADER
#define REAL_EXPONENT_MAX 30000
#define REAL_EXPONENT_MIN -30000
// HIGH LIBRARIES ARE USER LIBRARIES, SLOWER TO EXECUTE
// LOW LIBRARIES ARE SYSTEM LIBRARIES, WITH FASTER EXECUTION
#define MAXHILIBS 256
#define MAXLOWLIBS 256
// NUMBER OF SCRATCH POINTERS
#define MAX_GC_PTRUPDATE 18
// MINIMUM GUARANTEED STACK LEVELS FOR MEMORY ALLOCATION
#define DSTKSLACK 16
// MINIMUM GUARANTEED STACK LEVELS IN RETURN STACK
#define RSTKSLACK 16
// MINIMUM GUARANTEED STACK LEVELS IN LAM STACK
#define LAMSLACK 16
// MINIMUM GUARANTEED SPACE IN TEMPOB (IN 32-BIT WORDS)
#define TEMPOBSLACK 32
// MINIMUM GUARANTEED SPACE IN TEMPBLOCKS (IN 32-BIT WORDS)
#define TEMPBLOCKSLACK 16
// MINIMUM GUARANTEED STACK LEVELS IN DIRECTORY STACK
#define DIRSLACK 16
#include "sysvars.h"
// INTERNAL TRANSCENDENTAL FUNCTIONS
void hyp_exp(mpd_t *);
void hyp_ln(mpd_t *);
void hyp_sqrt(mpd_t *);
void hyp_sinhcosh(mpd_t *);
void hyp_atanh(mpd_t *);
void hyp_asinh(mpd_t *);
void hyp_acosh(mpd_t *);
void trig_sincos(mpd_t *);
void trig_atan2(mpd_t *,mpd_t *);
void trig_asin(mpd_t *);
void trig_acos(mpd_t *);
// ERROR MANAGEMENT FUNCTIONS
extern void MPDTrapHandler(mpd_context_t *ctx);
extern void rplSetExceptionHandler(WORDPTR Handler);
extern void rplRemoveExceptionHandler();
extern void rplCatchException();
// ENVIRONMENT FUNCTIONS IN RUNSTREAM.C
extern void rplInit(void);
extern void rplSetEntryPoint(WORDPTR ip);
extern void rplRun(void);
extern LIBHANDLER rplGetLibHandler(BINT libnum);
extern WORDPTR rplSkipOb(WORDPTR ip);
extern void rplSkipNext();
extern WORD rplObjSize(WORDPTR ip);
// TEMPOB MEMORY MANAGEMENT IN TEMPOB.C
extern WORDPTR rplAllocTempOb(WORD size);
extern void rplTruncateLastObject(WORDPTR newend);
extern void growTempOb(WORD newtotalsize);
extern void rplAddTempBlock(WORDPTR block);
extern void growTempBlocks(WORD newtotalsize);
// COMPILER FUNCTIONS IN COMPILER.C
extern WORDPTR rplCompile(BYTEPTR string, BINT len, BINT addwrapper);
extern void rplCompileAppend(WORD word);
// DECOMPILER FUNCTIONS
extern WORDPTR rplDecompile(WORDPTR object);
extern void rplDecompAppendChar(BYTE c);
extern void rplDecompAppendString(BYTEPTR str);
extern void rplDecompAppendString2(BYTEPTR str,BINT len);
// DATA STACK FUNCTIONS IN DATASTACK.C
extern void rplPushData(WORDPTR p);
extern WORDPTR rplPopData();
extern WORDPTR rplPeekData(int level);
extern void rplOverwriteData(int level,WORDPTR ptr);
extern BINT rplDepthData();
extern void rplDropData(int n);
extern void growDStk(WORD newsize);
extern WORDPTR *rplProtectData();
extern WORDPTR *rplUnprotectData();
// RETURN STACK FUNCTIONS IN RETURNSTACK.C
extern void rplPushRet(WORDPTR p);
extern WORDPTR rplPopRet();
extern void growRStk(WORD newsize);
extern WORDPTR rplPeekRet(int level);
// GARBAGE COLLECTION
extern void rplGCollect();
// LAM FUNCTIONS
extern void growLAMs(WORD newtotalsize);
extern void rplCreateLAMEnvironment(WORDPTR owner);
extern BINT rplCreateLAM(WORDPTR nameobj,WORDPTR value);
extern BINT rplCompareIDENT(WORDPTR id1,WORDPTR id2);
extern BINT rplCompareIDENTByName(WORDPTR id1,BYTEPTR name,BINT len);
extern BINT rplCompareObjects(WORDPTR id1,WORDPTR id2);
extern WORDPTR rplGetLAM(WORDPTR nameobj);
extern inline WORDPTR *rplGetLAMn(BINT idx);
extern inline WORDPTR *rplGetLAMnName(BINT idx);
extern inline WORDPTR *rplGetLAMnEnv(WORDPTR LAMEnv,BINT idx);
extern inline WORDPTR *rplGetLAMnNameEnv(WORDPTR LAMEnv,BINT idx);
extern inline void rplPutLAMn(BINT idx,WORDPTR object);
extern void rplCleanupLAMs(WORDPTR currentseco);
extern WORDPTR *rplFindLAM(WORDPTR nameobj, BINT scanparents);
extern WORDPTR *rplFindLAMbyName(BYTEPTR name,BINT len,BINT scanparents);
extern WORDPTR *rplGetNextLAMEnv(WORDPTR *startpoint);
extern BINT rplNeedNewLAMEnv();
extern BINT rplNeedNewLAMEnvCompiler();
extern void rplCompileIDENT(BINT libnum,BYTEPTR tok,BINT len);
extern BINT rplIsValidIdent(BYTEPTR tok,BINT len);
extern BINT rplLAMCount(WORDPTR LAMEnvironment);
// GLOBAL VARIABLES AND DIRECTORY FUNCTIONS
extern void growDirs(WORD newtotalsize);
extern void rplCreateGlobalInDir(WORDPTR nameobj,WORDPTR value,WORDPTR *parentdir);
extern void rplCreateGlobal(WORDPTR nameobj,WORDPTR value);
extern WORDPTR *rplFindDirbyHandle(WORDPTR handle);
extern void rplCreateNewDir(WORDPTR name,WORDPTR *parentdir);
extern WORDPTR *rplGetParentDir(WORDPTR *directory);
extern WORDPTR *rplFindGlobalbyName(BYTEPTR name,BINT len,BINT scanparents);
extern WORDPTR *rplFindGlobalbyNameInDir(BYTEPTR name,BINT len,WORDPTR *parent,BINT scanparents);
extern WORDPTR *rplFindGlobalInDir(WORDPTR nameobj,WORDPTR *parentdir,BINT scanparents);
extern WORDPTR *rplFindGlobal(WORDPTR nameobj,BINT scanparents);
extern void rplPurgeGlobal(WORDPTR nameobj);
extern WORDPTR rplGetGlobal(WORDPTR nameobj);
extern WORDPTR *rplMakeNewDir();
extern WORDPTR rplGetDirName(WORDPTR *dir);
extern WORDPTR *rplGetDirfromGlobal(WORDPTR *var);
extern WORDPTR *rplDeepCopyDir(WORDPTR *sourcedir);
extern void rplStoreSettings(WORDPTR nameobject,WORDPTR object);
extern void rplStoreSettingsbyName(BYTEPTR name,BINT namelen,WORDPTR object);
extern WORDPTR rplGetSettings(WORDPTR nameobject);
extern WORDPTR rplGetSettingsbyName(BYTEPTR name,BINT namelen);
// GENERIC OBJECT FUNCTIONS
extern void rplCallOvrOperator(WORD op);
extern void rplCopyObject(WORDPTR dest, WORDPTR src);
// BINT FUNCTIONS
extern WORDPTR rplNewSINT(int num,int base);
extern WORDPTR rplNewBINT(BINT64 num,int base);
extern void rplNewSINTPush(int num,int base);
extern void rplNewBINTPush(BINT64 num,int base);
extern BINT64 rplReadBINT(WORDPTR ptr);
extern WORDPTR rplWriteBINT(BINT64 num,int base,WORDPTR dest);
// REAL FUNCTIONS
extern void rplOneToRReg(int num);
extern void rplZeroToRReg(int num);
extern void rplBINTToRReg(int num,BINT64 value);
extern void rplReadReal(WORDPTR real,mpd_t *dec);
extern void rplCopyRealToRReg(int num,WORDPTR real);
extern void rplRRegToRealPush(int num);
extern WORDPTR rplRRegToRealInPlace(int num,WORDPTR dest);
// GENERIC FUNCTIONS FOR BINTS AND REALS
extern void rplNumberToRReg(int num,WORDPTR number);
extern BINT64 rplReadNumberAsBINT(WORDPTR number);
extern void rplReadNumberAsReal(WORDPTR number,mpd_t*dec);
// LIST FUNCTIONS
extern BINT rplListLength(WORDPTR composite);
extern BINT rplListLengthFlat(WORDPTR composite);
extern void rplCreateList();
extern BINT rplExplodeList(WORDPTR composite);
extern WORDPTR rplGetListElement(WORDPTR composite, BINT pos);
extern WORDPTR rplGetListElementFlat(WORDPTR composite, BINT pos);
extern BINT rplIsLastElementFlat(WORDPTR composite, BINT pos);
// SYMBOLIC FUNCTIONS
extern WORDPTR rplSymbUnwrap(WORDPTR symbolic);
extern WORD rplSymbMainOperator(WORDPTR symbolic);
extern BINT rplIsAllowedInSymb(WORDPTR object);
extern void rplSymbApplyOperator(WORD Opcode,BINT nargs);
extern void rplSymbRuleMatch();
// DEFINED EXCEPTIONS
#define EX_BADOPCODE 1
#define EX_BKPOINT 2
#define EX_OUTOFMEM 4
#define EX_PTROUTOFRANGE 8
#define EX_MATHDIVZERO 16
#define EX_MATHOVERFLOW 32
#define EX_EMPTYSTACK 64
#define EX_EMPTYRSTK 128
#define EX_SYNTAXERROR 256
#define EX_UNDEFINED 512
#define EX_BADARGCOUNT 1024
#define EX_BADARGTYPE 2048
#define EX_BADARGVALUE 4096
#define EX_VARUNDEF 8192
#define EX_NONEMPTYDIR 16384
#define EX_INVALID_DIM 32768
// ADD MORE HERE...
#ifdef __cplusplus
}
#endif
#endif // NEWRPL_H
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