mirror of
https://git.code.sf.net/p/newrpl/sources
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67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
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* Copyright (c) 2014, Claudio Lapilli and the newRPL Team
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* All rights reserved.
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* This file is released under the 3-clause BSD license.
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* See the file LICENSE.txt that shipped with this distribution.
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*/
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#include "newrpl.h"
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// EXTERNAL RPL MACHINE REGISTERS
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// GLOBAL ARRAY OF POINTERS THAT ARE TO BE UPDATED BY THE GC
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WORDPTR GC_PTRUpdate[MAX_GC_PTRUPDATE];
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// MEMORY REGIONS. EACH MEMORY REGION CAN GROW INDEPENDENTLY
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// GROWTH MAY TRIGGER A GC IF INSUFFICIENT MEMORY.
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WORDPTR *RStk; // BASE OF RETURN STACK
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WORDPTR *DStk; // BASE OF DATA STACK
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WORDPTR *DStkProtect; // BASE OF THE PROTECTED STACK
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WORDPTR TempOb; // TEMPORARY OBJECT STORAGE
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WORDPTR *TempBlocks; // TEMPOB BLOCK POINTERS STORAGE
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WORDPTR *Directories; // BASE OF DIRECTORY STORAGE
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WORDPTR *LAMs; // BASE OF LOCAL VARIABLES STORAGE
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// OTHER VARIABLES THAT ARE NOT AFFECTED BY GC
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WORD CurOpcode; // CURRENT OPCODE (WORD)
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WORD Exceptions, TrappedExceptions; // FLAGS FOR CURRENT EXCEPTIONS
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WORDPTR *RSTop; // TOP OF THE RETURN STACK
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WORDPTR *DSTop; // TOP OF THE DATA STACK
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WORDPTR *LAMTop; // TOP OF THE LAM STACK
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WORDPTR *nLAMBase; // START OF THE LAST LAM ENVIRONMENT
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WORDPTR *ValidateTop; // TEMPORARY DATA AFTER THE RETURN STACK USED DURING COMPILATION
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WORDPTR *LAMTopSaved; // SAVED VALUE OF LAMTOP USED DURING COMPILATION
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WORDPTR *ErrornLAMBase; // SAVED BASE OF LAM ENVIRONMENT AT ERROR HANDLER
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WORDPTR *ErrorLAMTop; // SAVED VALUE OF LAMTOP AT ERROR HANDLER
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WORDPTR *ErrorRSTop; // SAVED TOP OF RETURN STACK AT ERROR HANDLER
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WORDPTR *TempBlocksEnd; // END OF THE TEMPOB BLOCKS
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WORDPTR *CurrentDir; // POINTER TO CURRENT DIRECTORY
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WORDPTR *DirsTop; // POINTER TO END OF USED DIRECTORIES
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BINT DStkSize; // TOTAL SIZE OF DATA STACK
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BINT RStkSize; // TOTAL SIZE OF RETURN STACK
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BINT TempBlocksSize;
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BINT LAMSize;
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BINT DirSize;
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// ARGUMENTS TO PASS TO LIBRARY HANDLERS
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// DURING COMPILATION
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UBINT ArgNum1,ArgNum2,ArgNum3,RetNum;
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LIBHANDLER LowLibRegistry[MAXLOWLIBS];
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LIBHANDLER HiLibRegistry[MAXHILIBS];
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BINT HiLibNumbers[MAXHILIBS];
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BINT NumHiLibs;
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// MULTIPRECISION LIBRARY CONTEXT
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mpd_context_t Context;
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// PREALLOCATED STATIC REAL NUMBER REGISTERS FOR TEMPORARY STORAGE
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mpd_t RReg[REAL_REGISTERS];
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// TEMPORARY SCRATCH MEMORY FOR DIGITS
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mpd_uint_t RDigits[REAL_SCRATCHMEM];
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BINT BINT2RealIdx;
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