/usr/lib/iconc/rt.h is in iconc 9.4.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**************************************** from ../h/rt.h: */
#ifndef RT_DOT_H /* only include once */
#define RT_DOT_H 1
/*
* Include files.
*/
/**************************************** from ../h/define.h: */
#define Config "linux, pthreads.c"
#define Graphics 1
#define CoClean
/*
* Icon configuration file for Linux
*/
#define UNIX 1
#define LoadFunc
#define CComp "gcc"
#define COpts "-O -fomit-frame-pointer"
/**************************************** end ../h/define.h */
/**************************************** from ../h/arch.h: */
/* generated by infer.c */
#define IntBits 32
#define WordBits 64
/**************************************** end ../h/arch.h */
/**************************************** from ../h/config.h: */
/*
* Icon configuration.
*/
/*
* System-specific definitions are in define.h, which is loaded first.
*/
/*
* A number of symbols are defined here.
* Some enable or disable certain Icon features, for example:
* NoCoexpr disables co-expressions
* LoadFunc enables dynamic loading
*
* Other definitions may occur for different configurations. These include:
* DeBug debugging code
* MultiThread support for multiple programs under the interpreter
*
* Many definitions reflect remnants of past research projects.
* Changing them to values not used in standard configurations
* may result in an unbuildable or nonfunctioning system.
*/
/*
* If COMPILER is not defined, code for the interpreter is compiled.
*/
#ifndef COMPILER
#define COMPILER 0
#endif
/*
* The following definitions serve to cast common conditionals is
* a positive way, while allowing defaults for the cases that
* occur most frequently. That is, if co-expressions are not supported,
* NoCoexpr is defined in define.h, but if they are supported, no
* definition is needed in define.h; nonetheless subsequent conditionals
* can be cast as #ifdef Coexpr.
*/
#ifndef NoCoexpr
#undef Coexpr
#define Coexpr
#endif /* NoCoexpr */
#ifdef NoCoexpr
#undef MultiThread
#undef EventMon
#undef Eve
#endif /* NoCoexpr */
#if COMPILER
#undef Eve
#undef MultiThread
#undef EventMon
#endif /* COMPILER */
#ifdef Eve
#undef EventMon
#undef MultiThread
#define EventMon
#define MultiThread
#endif /* Eve */
#ifndef NoLargeInts
#undef LargeInts
#define LargeInts
#endif /* NoLargeInts */
#ifdef EventMon
#undef MultiThread
#define MultiThread
#endif /* EventMon */
/*
* Graphics definitions.
*/
#ifdef Graphics
#ifndef XWindows
#ifdef MSWIN
#undef WinGraphics
#define WinGraphics 1
#else /* Graphics */
#define XWindows 1
#endif /* Graphics */
#endif /* XWindows */
#ifndef NoXpmFormat
#ifdef XWindows
#undef HaveXpmFormat
#define HaveXpmFormat
#endif /* XWindows */
#endif /* NoXpmFormat */
#undef LineCodes
#define LineCodes
#undef Polling
#define Polling
#ifndef ICONC_XLIB
#ifdef WinGraphics
#define ICONC_XLIB "-luser32 -lgdi32 -lcomdlg32 -lwinmm"
#else /* WinGraphics */
#define ICONC_XLIB "-L/usr/X11R6/lib -lX11"
#endif /* WinGraphics */
#endif /* ICONC_XLIB */
#endif /* Graphics */
/*
* Data sizes and alignment.
*/
#define WordSize sizeof(word)
#ifndef StackAlign
#define StackAlign 8
#endif /* StackAlign */
/*
* Other defaults.
*/
#ifdef DeBug
#undef DeBugTrans
#undef DeBugLinker
#undef DeBugIconx
#define DeBugTrans
#define DeBugLinker
#define DeBugIconx
#endif /* DeBug */
#ifndef MaxHdr
/*
* Maximum allowable BinaryHeader size.
* WARNING: changing this invalidates old BinaryHeader executables.
*/
#define MaxHdr 8192
#endif /* MaxHdr */
#ifndef MaxPath
#define MaxPath 256
#endif /* MaxPath */
#ifndef SourceSuffix
#define SourceSuffix ".icn"
#endif /* SourceSuffix */
/*
* Representations of directories. LocalDir is the "current working directory".
* SourceDir is where the source file is.
*/
#define LocalDir ""
#define SourceDir (char *)NULL
#ifndef TargetDir
#define TargetDir LocalDir
#endif /* TargetDir */
/*
* Features enabled by default.
*/
#ifndef NoPipes
#define Pipes
#endif /* Pipes */
#ifndef NoKeyboardFncs
#define KeyboardFncs
#endif /* KeyboardFncs */
#ifndef NoReadDirectory
#define ReadDirectory
#endif /* ReadDirectory */
#ifndef NoSysOpt
#define SysOpt
#endif /* SysOpt */
/*
* The following definitions assume ANSI C.
*/
#define Cat(x,y) x##y
#define Lit(x) #x
#define Bell '\a'
/*
* Miscellaney.
*/
#ifndef DiffPtrs
#define DiffPtrs(p1,p2) (word)((p1)-(p2))
#endif /* DiffPtrs */
#ifndef AllocReg
#define AllocReg(n) malloc(n)
#endif /* AllocReg */
#ifndef RttSuffix
#define RttSuffix ".r"
#endif /* RttSuffix */
#ifndef DBSuffix
#define DBSuffix ".db"
#endif /* DBSuffix */
#ifndef PPInit
#define PPInit ""
#endif /* PPInit */
#ifndef PPDirectives
#define PPDirectives {"passthru", PpKeep},
#endif /* PPDirectives */
#ifndef NoSrcColumnInfo
#define SrcColumnInfo
#endif /* NoSrcColumnInfo */
#ifndef ExecSuffix
#define ExecSuffix ""
#endif /* ExecSuffix */
#ifndef CSuffix
#define CSuffix ".c"
#endif /* CSuffix */
#ifndef HSuffix
#define HSuffix ".h"
#endif /* HSuffix */
#ifndef ObjSuffix
#define ObjSuffix ".o"
#endif /* ObjSuffix */
#ifndef LibSuffix
#define LibSuffix ".a"
#endif /* LibSuffix */
#ifndef CComp
#define CComp "cc"
#endif /* CComp */
#ifndef COpts
#define COpts ""
#endif /* COpts */
/*
* Note, size of the hash table is a power of 2:
*/
#define IHSize 128
#define IHasher(x) (((unsigned int)(unsigned long)(x))&(IHSize-1))
#if COMPILER
/*
* Code for the compiler.
*/
#undef MultiThread /* no way -- interpreter only */
#undef EventMon /* presently not supported in the compiler */
#else /* COMPILER */
/*
* Code for the interpreter.
*/
#ifndef IcodeSuffix
#define IcodeSuffix ""
#endif /* IcodeSuffix */
#ifndef IcodeASuffix
#define IcodeASuffix ""
#endif /* IcodeASuffix */
#ifndef U1Suffix
#define U1Suffix ".u1"
#endif /* U1Suffix */
#ifndef U2Suffix
#define U2Suffix ".u2"
#endif /* U2Suffix */
#ifndef USuffix
#define USuffix ".u"
#endif /* USuffix */
#endif /* COMPILER */
/*
* Vsizeof is for use with variable-sized (i.e., indefinite)
* structures containing an array of descriptors declared of size 1
* to avoid compiler warnings associated with 0-sized arrays.
*/
#define Vsizeof(s) (sizeof(s) - sizeof(struct descrip))
/*
* Other sizeof macros:
*
* Wsizeof(x) -- Size of x in words.
* Vwsizeof(x) -- Size of x in words, minus the size of a descriptor. Used
* when structures have a potentially null list of descriptors
* at their end.
*/
#define Wsizeof(x) ((sizeof(x) + sizeof(word) - 1) / sizeof(word))
#define Vwsizeof(x) \
((sizeof(x) - sizeof(struct descrip) + sizeof(word) - 1) / sizeof(word))
/**************************************** end ../h/config.h */
/**************************************** from ../h/sys.h: */
/*
* sys.h -- system include files.
*/
/*
* Universal (Standard 1989 ANSI C) includes.
*/
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/*
* POSIX (1003.1-1996) includes.
*/
#include <dirent.h>
#include <fcntl.h>
#include <grp.h>
#include <pwd.h>
#include <termios.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/types.h>
#include <sys/utsname.h>
/*
* Operating-system-dependent includes.
*/
#if MSWIN
#include <windows.h>
#include <sys/cygwin.h>
#include <sys/select.h>
#ifdef WinGraphics
#define int_PASCAL int PASCAL
#define LRESULT_CALLBACK LRESULT CALLBACK
#define BOOL_CALLBACK BOOL CALLBACK
#include <mmsystem.h>
#include <process.h>
/**************************************** from ../wincap/dibutil.h: */
/*
* dibutil.h
*
* Copyright (c) 1991 Microsoft Corporation. All rights reserved.
*
* Header file for Device-Independent Bitmap (DIB) API. Provides
* function prototypes and constants for the following functions:
*
* FindDIBBits() - Sets pointer to the DIB bits
* DIBWidth() - Gets the DIB width
* DIBHeight() - Gets the DIB height
* DIBNumColors() - Calculates number of colors in the DIB's color table
* PaletteSize() - Calculates the buffer size required by a palette
* CreateDIBPalette() - Creates a palette from a DIB
* DIBToBitmap() - Creates a bitmap from a DIB
* BitmapToDIB() - Creates a DIB from a bitmap
* PalEntriesOnDevice()- Gets the number of palette entries
* GetSystemPalette() - Gets the current palette
*
*/
/**************************************** from ../wincap/dibapi.h: */
/*
* dibapi.h
*
* Copyright (c) 1991 Microsoft Corporation. All rights reserved
*
* Header file for Device-Independent Bitmap (DIB) API. Provides
* function prototypes and constants for the following functions:
*
* PrintWindow() - Prints all or part of a window
* PrintScreen() - Prints the entire screen
* CopyWindowToDIB() - Copies a window to a DIB
* CopyScreenToDIB() - Copies entire screen to a DIB
* CopyWindowToBitmap()- Copies a window to a standard Bitmap
* CopyScreenToBitmap()- Copies entire screen to a standard Bitmap
* PrintDIB() - Prints the specified DIB
* SaveDIB() - Saves the specified dib in a file
* LoadDIB() - Loads a DIB from a file
* DestroyDIB() - Deletes DIB when finished using it
*
* See the file DIBAPI.TXT for more information about these functions.
*
*/
/* Handle to a DIB */
#define HDIB HANDLE
/* Print Area selection */
#define PW_WINDOW 1
#define PW_CLIENT 2
/* Print Options selection */
#define PW_BESTFIT 1
#define PW_STRETCHTOPAGE 2
#define PW_SCALE 3
/* Function prototypes */
WORD PrintWindow(HWND, WORD, WORD, WORD, WORD, LPSTR);
WORD PrintScreen(LPRECT, WORD, WORD, WORD, LPSTR);
HDIB CopyWindowToDIB(HWND, WORD);
HDIB CopyScreenToDIB(LPRECT);
HBITMAP CopyWindowToBitmap(HWND, WORD);
HBITMAP CopyScreenToBitmap(LPRECT);
WORD PrintDIB(HDIB, WORD, WORD, WORD, LPSTR);
WORD SaveDIB(HDIB, LPSTR);
HDIB LoadDIB(LPSTR);
WORD DestroyDIB(HDIB);
/**************************************** end ../wincap/dibapi.h */
/* DIB constants */
#define PALVERSION 0x300
/* DIB macros */
#define WIDTHBYTES(bits) (((bits) + 31) / 32 * 4)
#define IS_WIN30_DIB(lpbi) ((*(LPDWORD)(lpbi)) == sizeof(BITMAPINFOHEADER))
/* function prototypes */
LPSTR FindDIBBits(LPSTR lpbi);
DWORD DIBWidth(LPSTR lpDIB);
DWORD DIBHeight(LPSTR lpDIB);
WORD DIBNumColors(LPSTR lpbi);
WORD PaletteSize(LPSTR lpbi);
HPALETTE CreateDIBPalette(HDIB hDIB);
HBITMAP DIBToBitmap(HDIB hDIB, HPALETTE hPal);
HDIB BitmapToDIB(HBITMAP hBitmap, HPALETTE hPal);
int PalEntriesOnDevice(HDC hDC);
HPALETTE GetSystemPalette(void);
/**************************************** end ../wincap/dibutil.h */
#endif /* WinGraphics */
#undef Type
#undef lst1
#undef lst2
#endif /* MSWIN */
/*
* Window-system-dependent includes.
*/
#ifdef XWindows
#ifdef HaveXpmFormat
/**************************************** from ../xpm/xpm.h: */
/* Copyright 1990-92 GROUPE BULL -- See license conditions in file COPYRIGHT */
/*****************************************************************************\
* xpm.h: *
* *
* XPM library *
* Include file *
* *
* Developed by Arnaud Le Hors *
\*****************************************************************************/
#ifndef XPM_h
#define XPM_h
#ifdef VMS
/**************************************** from decw$include:Xlib.h: */
/* [file not found] */
/**************************************** end decw$include:Xlib.h */
/**************************************** from decw$include:Intrinsic.h: */
/* [file not found] */
/**************************************** end decw$include:Intrinsic.h */
/**************************************** from sys$library:stdio.h: */
/* [file not found] */
/**************************************** end sys$library:stdio.h */
#else
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#endif
/* we keep the same codes as for Bitmap management */
#ifndef _XUTIL_H_
#ifdef VMS
/**************************************** from decw$include:Xutil.h: */
/* [file not found] */
/**************************************** end decw$include:Xutil.h */
#else
#include <X11/Xutil.h>
#endif
#endif
/* Return ErrorStatus codes:
* null if full success
* positive if partial success
* negative if failure
*/
#define XpmColorError 1
#define XpmSuccess 0
#define XpmOpenFailed -1
#define XpmFileInvalid -2
#define XpmNoMemory -3
#define XpmColorFailed -4
typedef struct {
char *name; /* Symbolic color name */
char *value; /* Color value */
Pixel pixel; /* Color pixel */
} XpmColorSymbol;
typedef struct {
char *name; /* name of the extension */
unsigned int nlines; /* number of lines in this extension */
char **lines; /* pointer to the extension array of
strings */
} XpmExtension;
typedef struct {
unsigned long valuemask; /* Specifies which attributes are
* defined */
Visual *visual; /* Specifies the visual to use */
Colormap colormap; /* Specifies the colormap to use */
unsigned int depth; /* Specifies the depth */
unsigned int width; /* Returns the width of the created
* pixmap */
unsigned int height; /* Returns the height of the created
* pixmap */
unsigned int x_hotspot; /* Returns the x hotspot's
* coordinate */
unsigned int y_hotspot; /* Returns the y hotspot's
* coordinate */
unsigned int cpp; /* Specifies the number of char per
* pixel */
Pixel *pixels; /* List of used color pixels */
unsigned int npixels; /* Number of pixels */
XpmColorSymbol *colorsymbols; /* Array of color symbols to
* override */
unsigned int numsymbols; /* Number of symbols */
char *rgb_fname; /* RGB text file name */
unsigned int nextensions; /* number of extensions */
XpmExtension *extensions; /* pointer to array of extensions */
/* Infos */
unsigned int ncolors; /* Number of colors */
char ***colorTable; /* Color table pointer */
char *hints_cmt; /* Comment of the hints section */
char *colors_cmt; /* Comment of the colors section */
char *pixels_cmt; /* Comment of the pixels section */
unsigned int mask_pixel; /* Transparent pixel's color table
* index */
/* Color Allocation Directives */
unsigned int exactColors; /* Only use exact colors for visual */
unsigned int closeness; /* Allowable RGB deviation */
} XpmAttributes;
/* Xpm attribute value masks bits */
#define XpmVisual (1L<<0)
#define XpmColormap (1L<<1)
#define XpmDepth (1L<<2)
#define XpmSize (1L<<3) /* width & height */
#define XpmHotspot (1L<<4) /* x_hotspot & y_hotspot */
#define XpmCharsPerPixel (1L<<5)
#define XpmColorSymbols (1L<<6)
#define XpmRgbFilename (1L<<7)
#define XpmInfos (1L<<8) /* all infos members */
#define XpmExtensions (1L<<10)
#define XpmReturnPixels (1L<<9)
#define XpmReturnInfos XpmInfos
#define XpmReturnExtensions XpmExtensions
#define XpmExactColors (1L<<11)
#define XpmCloseness (1L<<12)
/*
* minimal portability layer between ansi and KR C
*/
/* forward declaration of functions with prototypes */
#if __STDC__ || defined(__cplusplus) || defined(c_plusplus)
/* ANSI || C++ */
#define FUNC(f, t, p) extern t f p
#define LFUNC(f, t, p) static t f p
#else /* K&R */
#define FUNC(f, t, p) extern t f()
#define LFUNC(f, t, p) static t f()
#endif /* end of K&R */
/*
* functions declarations
*/
#ifdef __cplusplus
extern "C" {
#endif
FUNC(XpmCreatePixmapFromData, int, (Display * display,
Drawable d,
char **data,
Pixmap * pixmap_return,
Pixmap * shapemask_return,
XpmAttributes * attributes));
FUNC(XpmCreateDataFromPixmap, int, (Display * display,
char ***data_return,
Pixmap pixmap,
Pixmap shapemask,
XpmAttributes * attributes));
FUNC(XpmReadFileToPixmap, int, (Display * display,
Drawable d,
char *filename,
Pixmap * pixmap_return,
Pixmap * shapemask_return,
XpmAttributes * attributes));
FUNC(XpmWriteFileFromPixmap, int, (Display * display,
char *filename,
Pixmap pixmap,
Pixmap shapemask,
XpmAttributes * attributes));
FUNC(XpmCreateImageFromData, int, (Display * display,
char **data,
XImage ** image_return,
XImage ** shapemask_return,
XpmAttributes * attributes));
FUNC(XpmCreateDataFromImage, int, (Display * display,
char ***data_return,
XImage * image,
XImage * shapeimage,
XpmAttributes * attributes));
FUNC(XpmReadFileToImage, int, (Display * display,
char *filename,
XImage ** image_return,
XImage ** shapeimage_return,
XpmAttributes * attributes));
FUNC(XpmWriteFileFromImage, int, (Display * display,
char *filename,
XImage * image,
XImage * shapeimage,
XpmAttributes * attributes));
FUNC(XpmAttributesSize, int, ());
FUNC(XpmFreeAttributes, int, (XpmAttributes * attributes));
FUNC(XpmFreeExtensions, int, (XpmExtension * extensions, int nextensions));
#ifdef __cplusplus
} /* for C++ V2.0 */
#endif
/* backward compatibility */
/* for version 3.0c */
#define XpmPixmapColorError XpmColorError
#define XpmPixmapSuccess XpmSuccess
#define XpmPixmapOpenFailed XpmOpenFailed
#define XpmPixmapFileInvalid XpmFileInvalid
#define XpmPixmapNoMemory XpmNoMemory
#define XpmPixmapColorFailed XpmColorFailed
#define XpmReadPixmapFile(dpy, d, file, pix, mask, att) \
XpmReadFileToPixmap(dpy, d, file, pix, mask, att)
#define XpmWritePixmapFile(dpy, file, pix, mask, att) \
XpmWriteFileFromPixmap(dpy, file, pix, mask, att)
/* for version 3.0b */
#define PixmapColorError XpmColorError
#define PixmapSuccess XpmSuccess
#define PixmapOpenFailed XpmOpenFailed
#define PixmapFileInvalid XpmFileInvalid
#define PixmapNoMemory XpmNoMemory
#define PixmapColorFailed XpmColorFailed
#define ColorSymbol XpmColorSymbol
#define XReadPixmapFile(dpy, d, file, pix, mask, att) \
XpmReadFileToPixmap(dpy, d, file, pix, mask, att)
#define XWritePixmapFile(dpy, file, pix, mask, att) \
XpmWriteFileFromPixmap(dpy, file, pix, mask, att)
#define XCreatePixmapFromData(dpy, d, data, pix, mask, att) \
XpmCreatePixmapFromData(dpy, d, data, pix, mask, att)
#define XCreateDataFromPixmap(dpy, data, pix, mask, att) \
XpmCreateDataFromPixmap(dpy, data, pix, mask, att)
#endif
/**************************************** end ../xpm/xpm.h */
#else /* HaveXpmFormat */
#include <X11/Xlib.h>
#endif /* HaveXpmFormat */
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>
#endif /* XWindows */
/*
* Feature-dependent includes.
*/
#ifdef LoadFunc
#include <dlfcn.h>
#endif /* LoadFunc */
/**************************************** end ../h/sys.h */
/**************************************** from ../h/typedefs.h: */
/*
* typedefs for the run-time system.
*/
typedef int ALIGN; /* pick most stringent type for alignment */
typedef unsigned int DIGIT;
/*
* Default sizing and such.
*/
/*
* Set up typedefs and related definitions depending on whether or not
* ints and pointers are the same size.
*/
#if IntBits != WordBits
typedef long int word;
typedef unsigned long int uword;
#else /* IntBits != WordBits */
typedef int word;
typedef unsigned int uword;
#endif /* IntBits != WordBits */
typedef void *pointer;
/*
* Typedefs to make some things easier.
*/
typedef int (*fptr)();
typedef struct descrip *dptr;
typedef word C_integer;
/*
* A success continuation is referenced by a pointer to an integer function
* that takes no arguments.
*/
typedef int (*continuation) (void);
#if !COMPILER
/*
* Typedefs for the interpreter.
*/
/*
* Icode consists of operators and arguments. Operators are small integers,
* while arguments may be pointers. To conserve space in icode files on
* computers with 16-bit ints, icode is written by the linker as a mixture
* of ints and words (longs). When an icode file is read in and processed
* by the interpreter, it looks like a C array of mixed ints and words.
* Accessing this "nonstandard" structure is handled by a union of int and
* word pointers and incrementing is done by incrementing the appropriate
* member of the union (see the interpreter). This is a rather dubious
* method and certainly not portable. A better way might be to address
* icode with a char *, but the incrementing code might be inefficient
* (at a place that experiences a lot of execution activity).
*
* For the moment, the dubious coding is isolated under control of the
* size of integers.
*/
#if IntBits != WordBits
typedef union {
int *op;
word *opnd;
} inst;
#else /* IntBits != WordBits */
typedef union {
word *op;
word *opnd;
} inst;
#endif /* IntBits != WordBits */
#endif /* COMPILER */
/**************************************** end ../h/typedefs.h */
/**************************************** from ../h/cstructs.h: */
/*
* cstructs.h - structures and accompanying manifest constants for functions
* in the common subdirectory.
*/
/*
* fileparts holds a file name broken down into parts.
*/
struct fileparts { /* struct of file name parts */
char *dir; /* directory */
char *name; /* name */
char *ext; /* extension */
};
/*
* xval - holds references to literal constants
*/
union xval {
long ival; /* integer */
double rval; /* real */
word sval; /* offset into string space of string */
};
/*
* str_buf references a string buffer. Strings are built a character
* at a time. When a buffer "fragment" is filled, another is allocated
* and the the current string copied to it.
*/
struct str_buf_frag {
struct str_buf_frag *next; /* next buffer fragment */
char s[1]; /* variable size buffer, really > 1 */
};
struct str_buf {
unsigned int size; /* total size of current buffer */
char *strtimage; /* start of string currently being built */
char *endimage; /* next free character in buffer */
char *end; /* end of current buffer */
struct str_buf_frag *frag_lst; /* list of buffer fragments */
struct str_buf *next; /* buffers can be put on free list */
};
#define AppChar(sbuf, c) do {\
if ((sbuf).endimage >= (sbuf).end)\
new_sbuf(&(sbuf));\
*((sbuf).endimage)++ = (c);\
} while (0)
/*
* implement contains information about the implementation of an operation.
*/
#define NoRsltSeq -1L /* no result sequence: {} */
#define UnbndSeq -2L /* unbounded result sequence: {*} */
#define DoesRet 01 /* operation (or "body" function) returns */
#define DoesFail 02 /* operation (or "body" function) fails */
#define DoesSusp 04 /* operation (or "body" function) suspends */
#define DoesEFail 010 /* fails through error conversion */
#define DoesFThru 020 /* only "body" functions can "fall through" */
struct implement {
struct implement *blink; /* link for bucket chain in hash tables */
char oper_typ; /* 'K'=keyword, 'F'=function, 'O'=operator */
char prefix[2]; /* prefix to make start of name unique */
char *name; /* function/operator/keyword name */
char *op; /* operator symbol (operators only) */
int nargs; /* number of arguments operation requires */
int *arg_flgs; /* array of arg flags: deref/underef, var len*/
long min_result; /* minimum result sequence length */
long max_result; /* maiximum result sequence length */
int resume; /* flag - resumption after last result */
int ret_flag; /* DoesRet, DoesFail, DoesSusp */
int use_rslt; /* flag - explicitly uses result location */
char *comment; /* description of operation */
int ntnds; /* size of tnds array */
struct tend_var *tnds; /* pointer to array of info about tended vars */
int nvars; /* size of vars array */
struct ord_var *vars; /* pointer to array of info about ordinary vars */
struct il_code *in_line; /* inline version of the operation */
int iconc_flgs; /* flags for internal use by the compiler */
};
/*
* These codes are shared between the data base and rtt. They are defined
* here, though not all are used by the data base.
*/
#define TndDesc 1 /* a tended descriptor */
#define TndStr 2 /* a tended character pointer */
#define TndBlk 3 /* a tended block pointer */
#define OtherDcl 4 /* a declaration that is not special */
#define IsTypedef 5 /* a typedef */
#define VArgLen 6 /* identifier for length of variable parm list */
#define RsltLoc 7 /* the special result location of an operation */
#define Label 8 /* label */
#define RtParm 16 /* undereferenced parameter of run-time routine */
#define DrfPrm 32 /* dereferenced parameter of run-time routine */
#define VarPrm 64 /* variable part of parm list (with RtParm or DrfPrm) */
#define PrmMark 128 /* flag - used while recognizing params of body fnc */
#define ByRef 256 /* flag - parameter to body function passed by reference */
/*
* Flags to indicate what types are returned from the function implementing
* a body. These are unsed in determining the calling conventions
* of the function.
*/
#define RetInt 1 /* body/function returns a C_integer */
#define RetDbl 2 /* body/function returns a C_double */
#define RetOther 4 /* body (not function itself) returns something else */
#define RetNoVal 8 /* function returns no value */
#define RetSig 16 /* function returns a signal */
/*
* tend_var contains information about a tended variable in the "declare {...}"
* action of an operation.
*/
struct tend_var {
int var_type; /* TndDesc, TndStr, or TndBlk */
struct il_c *init; /* initial value from declaration */
char *blk_name; /* TndBlk: struct name of block */
};
/*
* ord_var contains information about an ordinary variable in the
* "declare {...}" action of an operation.
*/
struct ord_var {
char *name; /* name of variable */
struct il_c *dcl; /* declaration of variable (includes name) */
};
/*
* il_code has information about an action in an operation.
*/
#define IL_If1 1
#define IL_If2 2
#define IL_Tcase1 3
#define IL_Tcase2 4
#define IL_Lcase 5
#define IL_Err1 6
#define IL_Err2 7
#define IL_Lst 8
#define IL_Const 9
#define IL_Bang 10
#define IL_And 11
#define IL_Cnv1 12
#define IL_Cnv2 13
#define IL_Def1 14
#define IL_Def2 15
#define IL_Is 16
#define IL_Var 17
#define IL_Subscr 18
#define IL_Block 19
#define IL_Call 20
#define IL_Abstr 21
#define IL_VarTyp 22
#define IL_Store 23
#define IL_Compnt 24
#define IL_TpAsgn 25
#define IL_Union 26
#define IL_Inter 27
#define IL_New 28
#define IL_IcnTyp 29
#define IL_Acase 30
#define CM_Fields -1
union il_fld {
struct il_code *fld;
struct il_c *c_cd;
int *vect;
char *s;
word n;
};
struct il_code {
int il_type;
union il_fld u[1]; /* actual number of fields varies with type */
};
/*
* The following manifest constants are used to describe types, conversions,
* and returned values. Non-negative numbers are reserved for types described
* in the type specification system.
*/
#define TypAny -1
#define TypEmpty -2
#define TypVar -3
#define TypCInt -4
#define TypCDbl -5
#define TypCStr -6
#define TypEInt -7
#define TypECInt -8
#define TypTStr -9
#define TypTCset -10
#define RetDesc -11
#define RetNVar -12
#define RetSVar -13
#define RetNone -14
/*
* il_c describes a piece of C code.
*/
#define ILC_Ref 1 /* nonmodifying reference to var. in sym. tab. */
#define ILC_Mod 2 /* modifying reference to var. in sym. tab */
#define ILC_Tend 3 /* tended var. local to inline block */
#define ILC_SBuf 4 /* string buffer */
#define ILC_CBuf 5 /* cset buffer */
#define ILC_Ret 6 /* return statement */
#define ILC_Susp 7 /* suspend statement */
#define ILC_Fail 8 /* fail statement */
#define ILC_Goto 9 /* goto */
#define ILC_CGto 10 /* conditional goto */
#define ILC_Lbl 11 /* label */
#define ILC_LBrc 12 /* '{' */
#define ILC_RBrc 13 /* '}' */
#define ILC_Str 14 /* arbitrary string of code */
#define ILC_EFail 15 /* errorfail statement */
#define RsltIndx -1 /* symbol table index for "result" */
struct il_c {
int il_c_type;
struct il_c *code[3];
word n;
char *s;
struct il_c *next;
};
/*
* The parameter value of a run-time operation may be in one of several
* different locations depending on what conversions have been done to it.
* These codes are shared by rtt and iconc.
*/
#define PrmTend 1 /* in tended location */
#define PrmCStr 3 /* converted to C string: tended location */
#define PrmInt 4 /* converted to C int: non-tended location */
#define PrmDbl 8 /* converted to C double: non-tended location */
/*
* Kind of RLT return statement supported.
*/
#define TRetNone 0 /* does not support an RTL return statement */
#define TRetBlkP 1 /* block pointer */
#define TRetDescP 2 /* descriptor pointer */
#define TRetCharP 3 /* character pointer */
#define TRetCInt 4 /* C integer */
#define TRetSpcl 5 /* RLT return statement has special form & semenatics */
/*
* Codes for dereferencing needs.
*/
#define DrfNone 0 /* not a variable type */
#define DrfGlbl 1 /* treat as a global variable */
#define DrfCnst 2 /* type of values in variable doesn't change */
#define DrfSpcl 3 /* special dereferencing: trapped variable */
/*
* Information about an Icon type.
*/
struct icon_type {
char *id; /* name of type */
int support_new; /* supports RTL "new" construct */
int deref; /* dereferencing needs */
int rtl_ret; /* kind of RTL return supported if any */
char *typ; /* for variable: initial type */
int num_comps; /* for aggregate: number of type components */
int compnts; /* for aggregate: index of first component */
char *abrv; /* abreviation used for type tracing */
char *cap_id; /* name of type with first character capitalized */
};
/*
* Information about a component of an aggregate type.
*/
struct typ_compnt {
char *id; /* name of component */
int n; /* position of component within type aggragate */
int var; /* flag: this component is an Icon-level variable */
int aggregate; /* index of type that owns the component */
char *abrv; /* abreviation used for type tracing */
};
extern int num_typs; /* number of types in table */
extern struct icon_type icontypes[]; /* table of icon types */
/*
* Type inference needs to know where most of the standard types
* reside. Some have special uses outside operations written in
* RTL code, such as the null type for initializing variables, and
* others have special semantics, such as trapped variables.
*/
extern int str_typ; /* index of string type */
extern int int_typ; /* index of integer type */
extern int rec_typ; /* index of record type */
extern int proc_typ; /* index of procedure type */
extern int coexp_typ; /* index of co-expression type */
extern int stv_typ; /* index of sub-string trapped var type */
extern int ttv_typ; /* index of table-elem trapped var type */
extern int null_typ; /* index of null type */
extern int cset_typ; /* index of cset type */
extern int real_typ; /* index of real type */
extern int list_typ; /* index of list type */
extern int tbl_typ; /* index of table type */
extern int num_cmpnts; /* number of aggregate components */
extern struct typ_compnt typecompnt[]; /* table of aggregate components */
extern int str_var; /* index of trapped string variable */
extern int trpd_tbl; /* index of trapped table */
extern int lst_elem; /* index of list element */
extern int tbl_val; /* index of table element value */
extern int tbl_dflt; /* index of table default */
/*
* minimum number of unsigned ints needed to hold the bits of a cset - only
* used in translators, not in the run-time system.
*/
#define BVectSize 16
/**************************************** end ../h/cstructs.h */
/**************************************** from ../h/mproto.h: */
/*
* mproto.h -- prototypes for functions common to several modules.
*/
#define NewStruct(type) alloc(sizeof(struct type))
pointer alloc (unsigned int n);
unsigned short *bitvect (char *image, int len);
char *canonize (char *path);
void clear_sbuf (struct str_buf *sbuf);
int cmp_pre (char *pre1, char *pre2);
void cset_init (FILE *f, unsigned short *bv);
void db_chstr (char *s1, char *s2);
void db_close (void);
void db_code (struct implement *ip);
void db_dscrd (struct implement *ip);
void db_err1 (int fatal, char *s1);
void db_err2 (int fatal, char *s1, char *s2);
struct implement *db_ilkup (char *id, struct implement **tbl);
struct implement *db_impl (int oper_typ);
int db_open (char *s, char **lrgintflg);
char *db_string (void);
int db_tbl (char *section, struct implement **tbl);
char *findexe (char *name, char *buf, size_t len);
char *findonpath (char *name, char *buf, size_t len);
char *followsym (char *name, char *buf, size_t len);
struct fileparts *fparse(char *s);
void free_stbl (void);
void id_comment (FILE *f);
void init_sbuf (struct str_buf *sbuf);
void init_str (void);
long longwrite (char *s, long len, FILE *file);
char *makename (char *dest, char *d, char *name, char *e);
long millisec (void);
struct il_code *new_il (int il_type, int size);
void new_sbuf (struct str_buf *sbuf);
void nxt_pre (char *pre, char *nxt, int n);
char *pathfind (char *buf, char *path, char *name, char *extn);
int ppch (void);
void ppdef (char *name, char *value);
void ppecho (void);
int ppinit (char *fname, char *inclpath, int m4flag);
int prt_i_str (FILE *f, char *s, int len);
char *relfile (char *prog, char *mod);
char *salloc (char *s);
int smatch (char *s, char *t);
char *spec_str (char *s);
char *str_install (struct str_buf *sbuf);
int tonum (int c);
void lear_sbuf (struct str_buf *sbuf);
#ifndef SysOpt
int getopt (int argc, char * const argv[], const char *optstring);
#endif /* NoSysOpt */
/**************************************** end ../h/mproto.h */
/**************************************** from ../h/cpuconf.h: */
/*
* Configuration parameters that depend on computer architecture.
* Some depend on values defined in config.h, which is always
* included before this file.
*/
#ifndef CStateSize
#define CStateSize 15 /* size of C state for co-expressions */
#endif /* CStateSize */
/*
* The following definitions depend on the sizes of ints and pointers.
*/
/*
* Most of the present implementations use 32-bit "words". Note that
* WordBits is the number of bits in an Icon integer, not necessarily
* the number of bits in an int (given by IntBits). In some systems
* an Icon integer is a long, not an int.
*
* MaxStrLen must not be so large as to overlap flags.
*/
/*
* 64-bit words.
*/
#if WordBits == 64
#ifndef MinLong
#define MinLong ((long int)0x8000000000000000) /* smallest long int */
#endif
#ifndef MaxLong
#define MaxLong ((long int)0x7fffffffffffffff) /* largest long integer */
#endif
#define MaxStrLen 017777777777L /* maximum string length */
#ifndef MaxNegInt
#define MaxNegInt "-9223372036854775808"
#endif
#ifndef F_Nqual
#define F_Nqual 0x8000000000000000 /* set if NOT string qualifier*/
#endif /* F_Nqual */
#ifndef F_Var
#define F_Var 0x4000000000000000 /* set if variable */
#endif /* F_Var */
#ifndef F_Ptr
#define F_Ptr 0x1000000000000000 /* set if value field is ptr */
#endif /* F_Ptr */
#ifndef F_Typecode
#define F_Typecode 0x2000000000000000 /* set if dword incls typecode*/
#endif /* F_Typecode */
#endif /* WordBits == 64 */
/*
* 32-bit words.
*/
#if WordBits == 32
#define MaxLong ((long int)017777777777L) /* largest long integer */
#define MinLong ((long int)020000000000L) /* smallest long integer */
#define MaxNegInt "-2147483648"
#define MaxStrLen 0777777777 /* maximum string length */
#define F_Nqual 0x80000000 /* set if NOT string qualifier */
#define F_Var 0x40000000 /* set if variable */
#define F_Ptr 0x10000000 /* set if value field is pointer */
#define F_Typecode 0x20000000 /* set if dword includes type code */
#endif /* WordBits == 32 */
/*
* Values that depend on the number of bits in an int (not necessarily
* the same as the number of bits in a word).
*/
#if IntBits == 64
#define LogIntBits 6 /* log of IntBits */
#define MaxUnsigned 01777777777777777777777L /* largest unsigned integer */
#define MaxInt 0777777777777777777777L /* largest int */
/*
* Cset initialization and access macros.
*/
#define fwd(w0, w1, w2, w3) \
(((w0) & 0xffff) | (((unsigned)(w1) & 0xffff) << 16) | \
(((unsigned)(w2) & 0xffff) << 32) | (((unsigned)(w3) & 0xffff) << 48))
#define cset_display(w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,wa,wb,wc,wd,we,wf) \
{fwd(w0,w1,w2,w3),fwd(w4,w5,w6,w7),fwd(w8,w9,wa,wb),fwd(wc,wd,we,wf)}
#define Cset32(b,c) (*CsetPtr(b,c)>>(32*CsetOff((b)>>5))) /* 32b of cset */
#endif /* IntBits == 64 */
#if IntBits == 32
#define LogIntBits 5 /* log of IntBits */
#define MaxUnsigned 037777777777 /* largest unsigned integer */
#define MaxInt 017777777777 /* largest int */
/*
* Cset initialization and access macros.
*/
#define twd(w0,w1) (((w0)&0xffff) | (((unsigned)w1)<<16))
#define cset_display(w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,wa,wb,wc,wd,we,wf) \
{twd(w0,w1),twd(w2,w3),twd(w4,w5),twd(w6,w7), \
twd(w8,w9),twd(wa,wb),twd(wc,wd),twd(we,wf)}
#define Cset32(b,c) (*CsetPtr(b,c)) /* 32 bits of cset */
#endif /* IntBits == 32 */
#ifndef LogHuge
#define LogHuge 309 /* maximum base-10 exp+1 of real */
#endif /* LogHuge */
#ifndef Big
#define Big 9007199254740992. /* larger than 2^53 lose precision */
#endif /* Big */
#ifndef Precision
#define Precision 10 /* digits in string from real */
#endif /* Precision */
/*
* Parameters that configure tables and sets:
*
* HSlots Initial number of hash buckets; must be a power of 2.
* LogHSlots Log to the base 2 of HSlots.
*
* HSegs Maximum number of hash bin segments; the maximum number of
* hash bins is HSlots * 2 ^ (HSegs - 1).
*
* If Hsegs is increased above 20, the arrays log2h[] and segsize[]
* in the runtime system will need modification.
*
* MaxHLoad Maximum loading factor; more hash bins are allocated when
* the average bin exceeds this many entries.
*
* MinHLoad Minimum loading factor; if a newly created table (e.g. via
* copy()) is more lightly loaded than this, bins are combined.
*
* Because splitting doubles the number of hash bins, and combining halves it,
* MaxHLoad should be at least twice MinHLoad.
*/
#ifndef HSlots
#define HSlots 16
#define LogHSlots 4
#endif /* HSlots */
#if ((1 << LogHSlots) != HSlots)
#error HSlots and LogHSlots are inconsistent
#endif /* HSlots / LogHSlots consistency */
#ifndef HSegs
#define HSegs 20
#endif /* HSegs */
#ifndef MinHLoad
#define MinHLoad 1
#endif /* MinHLoad */
#ifndef MaxHLoad
#define MaxHLoad 5
#endif /* MaxHLoad */
/*
* The number of bits in each base-B digit; the type DIGIT (unsigned int)
* in rt.h must be large enough to hold this many bits.
* It must be at least 2 and at most WordBits / 2.
*/
#define NB (WordBits / 2)
/*
* The number of decimal digits at which the image lf a large integer
* goes from exact to approximate (to avoid possible long delays in
* conversion from large integer to string because of its quadratic
* complexity).
*/
#define MaxDigits 30
/*
* Memory sizing.
*/
#ifndef AlcMax
#define AlcMax 25
#endif /* AlcMax */
/*
* Maximum sized block that can be allocated (via malloc() or such).
*/
#ifndef MaxBlock
#define MaxBlock MaxUnsigned
#endif /* MaxBlock */
/*
* What follows is default memory sizing. Implementations with special
* requirements may specify these values in define.h.
*/
#ifndef MaxStrSpace
#define MaxStrSpace 500000 /* size of the string space in bytes */
#endif /* MaxStrSpace */
#ifndef MaxAbrSize
#define MaxAbrSize 500000 /* size of the block region in bytes */
#endif /* MaxAbrSize */
#ifndef MinAbrSize
#define MinAbrSize 5000 /* minimum block region size */
#endif /* MinAbrSize */
#ifndef MStackSize
#ifdef MultiThread
#define MStackSize 20000 /* size of the main stack in words */
#else /* MultiThread */
#define MStackSize 10000 /* size of the main stack in words */
#endif /* MultiThread */
#endif /* MStackSize */
#ifndef StackSize
#define StackSize 2000 /* words in co-expression stack */
#endif /* StackSize */
#ifndef QualLstSize
#define QualLstSize 5000 /* size of qualifier pointer region */
#endif /* QualLstSize */
#ifndef ActStkBlkEnts
#ifdef Coexpr
#define ActStkBlkEnts 25 /* number of entries in an astkblk */
#else /* Coexpr */
#define ActStkBlkEnts 1 /* number of entries in an astkblk */
#endif /* Coexpr */
#endif /* ActStkBlkEnts */
#ifndef RegionCushion
#define RegionCushion 10 /* % memory cushion to avoid thrashing*/
#endif /* RegionCushion */
#ifndef RegionGrowth
#define RegionGrowth 200 /* % region growth when full */
#endif /* RegionGrowth */
/**************************************** end ../h/cpuconf.h */
/**************************************** from ../h/monitor.h: */
/*
* This file contains definitions for the various event codes and values
* that go to make up event streams.
*/
/*
* Note: the blank character should *not* be used as an event code.
*/
#ifdef EventMon
/*
* Allocation events use lowercase codes.
*/
#define E_Lrgint '\114' /* Large integer allocation */
#define E_Real '\144' /* Real allocation */
#define E_Cset '\145' /* Cset allocation */
#define E_File '\147' /* File allocation */
#define E_Record '\150' /* Record allocation */
#define E_Tvsubs '\151' /* Substring tv allocation */
#define E_External '\152' /* External allocation */
#define E_List '\153' /* List allocation */
#define E_Lelem '\155' /* List element allocation */
#define E_Table '\156' /* Table allocation */
#define E_Telem '\157' /* Table element allocation */
#define E_Tvtbl '\160' /* Table-element tv allocation */
#define E_Set '\161' /* Set allocation */
#define E_Selem '\164' /* Set element allocation */
#define E_Slots '\167' /* Hash header allocation */
#define E_Coexpr '\170' /* Co-expression allocation */
#define E_Refresh '\171' /* Refresh allocation */
#define E_Alien '\172' /* Alien allocation */
#define E_Free '\132' /* Free region */
#define E_String '\163' /* String allocation */
/*
* Some other monitoring codes.
*/
#define E_BlkDeAlc '\055' /* Block deallocation */
#define E_StrDeAlc '\176' /* String deallocation */
/*
* These are not "events"; they are provided for uniformity in tools
* that deal with types.
*/
#define E_Integer '\100' /* Integer value pseudo-event */
#define E_Null '\044' /* Null value pseudo-event */
#define E_Proc '\045' /* Procedure value pseudo-event */
#define E_Kywdint '\136' /* Integer keyword value pseudo-event */
#define E_Kywdpos '\046' /* Position value pseudo-event */
#define E_Kywdsubj '\052' /* Subject value pseudo-event */
/*
* Codes for main sequence events
*/
/*
* Timing events
*/
#define E_Tick '\056' /* Clock tick */
/*
* Code-location event
*/
#define E_Loc '\174' /* Location change */
#define E_Line '\355' /* Line change */
/*
* Virtual-machine instructions
*/
#define E_Opcode '\117' /* Virtual-machine instruction */
/*
* Type-conversion events
*/
#define E_Aconv '\111' /* Conversion attempt */
#define E_Tconv '\113' /* Conversion target */
#define E_Nconv '\116' /* Conversion not needed */
#define E_Sconv '\121' /* Conversion success */
#define E_Fconv '\112' /* Conversion failure */
/*
* Structure events
*/
#define E_Lbang '\301' /* List generation */
#define E_Lcreate '\302' /* List creation */
#define E_Lget '\356' /* List get/pop -- only E_Lget used */
#define E_Lpop '\356' /* List get/pop */
#define E_Lpull '\304' /* List pull */
#define E_Lpush '\305' /* List push */
#define E_Lput '\306' /* List put */
#define E_Lrand '\307' /* List random reference */
#define E_Lref '\310' /* List reference */
#define E_Lsub '\311' /* List subscript */
#define E_Rbang '\312' /* Record generation */
#define E_Rcreate '\313' /* Record creation */
#define E_Rrand '\314' /* Record random reference */
#define E_Rref '\315' /* Record reference */
#define E_Rsub '\316' /* Record subscript */
#define E_Sbang '\317' /* Set generation */
#define E_Screate '\320' /* Set creation */
#define E_Sdelete '\321' /* Set deletion */
#define E_Sinsert '\322' /* Set insertion */
#define E_Smember '\323' /* Set membership */
#define E_Srand '\336' /* Set random reference */
#define E_Sval '\324' /* Set value */
#define E_Tbang '\325' /* Table generation */
#define E_Tcreate '\326' /* Table creation */
#define E_Tdelete '\327' /* Table deletion */
#define E_Tinsert '\330' /* Table insertion */
#define E_Tkey '\331' /* Table key generation */
#define E_Tmember '\332' /* Table membership */
#define E_Trand '\337' /* Table random reference */
#define E_Tref '\333' /* Table reference */
#define E_Tsub '\334' /* Table subscript */
#define E_Tval '\335' /* Table value */
/*
* Scanning events
*/
#define E_Snew '\340' /* Scanning environment creation */
#define E_Sfail '\341' /* Scanning failure */
#define E_Ssusp '\342' /* Scanning suspension */
#define E_Sresum '\343' /* Scanning resumption */
#define E_Srem '\344' /* Scanning environment removal */
#define E_Spos '\346' /* Scanning position */
/*
* Assignment
*/
#define E_Assign '\347' /* Assignment */
#define E_Value '\350' /* Value assigned */
/*
* Sub-string assignment
*/
#define E_Ssasgn '\354' /* Sub-string assignment */
/*
* Interpreter stack events
*/
#define E_Intcall '\351' /* interpreter call */
#define E_Intret '\352' /* interpreter return */
#define E_Stack '\353' /* stack depth */
/*
* Expression events
*/
#define E_Ecall '\143' /* Call of operation */
#define E_Efail '\146' /* Failure from expression */
#define E_Bsusp '\142' /* Suspension from operation */
#define E_Esusp '\141' /* Suspension from alternation */
#define E_Lsusp '\154' /* Suspension from limitation */
#define E_Eresum '\165' /* Resumption of expression */
#define E_Erem '\166' /* Removal of a suspended generator */
/*
* Co-expression events
*/
#define E_Coact '\101' /* Co-expression activation */
#define E_Coret '\102' /* Co-expression return */
#define E_Cofail '\104' /* Co-expression failure */
/*
* Procedure events
*/
#define E_Pcall '\103' /* Procedure call */
#define E_Pfail '\106' /* Procedure failure */
#define E_Pret '\122' /* Procedure return */
#define E_Psusp '\123' /* Procedure suspension */
#define E_Presum '\125' /* Procedure resumption */
#define E_Prem '\126' /* Suspended procedure removal */
#define E_Fcall '\072' /* Function call */
#define E_Ffail '\115' /* Function failure */
#define E_Fret '\120' /* Function return */
#define E_Fsusp '\127' /* Function suspension */
#define E_Fresum '\131' /* Function resumption */
#define E_Frem '\133' /* Function suspension removal */
#define E_Ocall '\134' /* Operator call */
#define E_Ofail '\135' /* Operator failure */
#define E_Oret '\140' /* Operator return */
#define E_Osusp '\173' /* Operator suspension */
#define E_Oresum '\175' /* Operator resumption */
#define E_Orem '\177' /* Operator suspension removal */
/*
* Garbage collections
*/
#define E_Collect '\107' /* Garbage collection */
#define E_EndCollect '\360' /* End of garbage collection */
#define E_TenureString '\361' /* Tenure a string region */
#define E_TenureBlock '\362' /* Tenure a block region */
/*
* Termination Events
*/
#define E_Error '\105' /* Run-time error */
#define E_Exit '\130' /* Program exit */
/*
* I/O events
*/
#define E_MXevent '\370' /* monitor input event */
#endif /* EventMon */
/**************************************** end ../h/monitor.h */
/**************************************** from ../h/rmacros.h: */
/*
* Definitions for macros and manifest constants used in the compiler
* interpreter.
*/
/*
* Definitions common to the compiler and interpreter.
*/
/*
* Constants that are not likely to vary between implementations.
*/
#define BitOffMask (IntBits-1)
#define CsetSize (256/IntBits) /* number of ints to hold 256 cset
* bits. Use (256/IntBits)+1 if
* 256 % IntBits != 0 */
#define MinListSlots 8 /* number of elements in an expansion
* list element block */
#define MaxCvtLen 257 /* largest string in conversions; the extra
* one is for a terminating null */
#define MaxReadStr 512 /* largest string to read() in one piece */
#define MaxIn 32767 /* largest number of bytes to read() at once */
#define RandA 1103515245 /* random seed multiplier */
#define RandC 453816694 /* random seed additive constant */
#define RanScale 4.65661286e-10 /* random scale factor = 1/(2^31-1) */
#define Pi 3.14159265358979323846264338327950288419716939937511
/*
* File status flags in status field of file blocks.
*/
#define Fs_Read 01 /* read access */
#define Fs_Write 02 /* write access */
#define Fs_Create 04 /* file created on open */
#define Fs_Append 010 /* append mode */
#define Fs_Pipe 020 /* reading/writing on a pipe */
#define Fs_Untrans 01000 /* untranslated mode file */
#define Fs_Directory 02000 /* reading a directory */
#define Fs_Reading 0100 /* last file operation was read */
#define Fs_Writing 0200 /* last file operation was write */
#ifdef Graphics
#define Fs_Window 0400 /* reading/writing on a window */
#define XKey_Window 0
#define XKey_Fg 1
#ifndef SHORT
#define SHORT int
#endif /* SHORT */
#ifndef LONG
#define LONG int
#endif /* LONG */
/*
* Perform a "C" return, not processed by RTT
*/
#define VanquishReturn(s) return s;
#endif /* Graphics */
/*
* Codes returned by runtime support routines.
* Note, some conversion routines also return type codes. Other routines may
* return positive values other than return codes. sort() places restrictions
* on Less, Equal, and Greater.
*/
#define Less -1
#define Equal 0
#define Greater 1
#define CvtFail -2
#define Cvt -3
#define NoCvt -4
#define Failed -5
#define Defaulted -6
#define Succeeded -7
#define Error -8
#define GlobalName 0
#define StaticName 1
#define ParamName 2
#define LocalName 3
/*
* Pointer to block.
*/
#define BlkLoc(d) ((d).vword.bptr)
/*
* Check for null-valued descriptor.
*/
#define ChkNull(d) ((d).dword==D_Null)
/*
* Check for equivalent descriptors.
*/
#define EqlDesc(d1,d2) ((d1).dword == (d2).dword && BlkLoc(d1) == BlkLoc(d2))
/*
* Integer value.
*/
#define IntVal(d) ((d).vword.integr)
/*
* Offset from top of block to value of variable.
*/
#define Offset(d) ((d).dword & OffsetMask)
/*
* Check for pointer.
*/
#define Pointer(d) ((d).dword & F_Ptr)
/*
* Check for qualifier.
*/
#define Qual(d) (!((d).dword & F_Nqual))
/*
* Length of string.
*/
#define StrLen(q) ((q).dword)
/*
* Location of first character of string.
*/
#define StrLoc(q) ((q).vword.sptr)
/*
* Assign a C string to a descriptor. Assume it is reasonable to use the
* descriptor expression more than once, but not the string expression.
*/
#define AsgnCStr(d,s) (StrLoc(d) = (s), StrLen(d) = strlen(StrLoc(d)))
/*
* Type of descriptor.
*/
#define Type(d) (int)((d).dword & TypeMask)
/*
* Check for variable.
*/
#define Var(d) ((d).dword & F_Var)
/*
* Location of the value of a variable.
*/
#define VarLoc(d) ((d).vword.descptr)
/*
* Important note: The code that follows is not strictly legal C.
* It tests to see if pointer p2 is between p1 and p3. This may
* involve the comparison of pointers in different arrays, which
* is not well-defined. The casts of these pointers to unsigned "words"
* (longs or ints, depending) works with all C compilers and architectures
* on which Icon has been implemented. However, it is possible it will
* not work on some system. If it doesn't, there may be a "false
* positive" test, which is likely to cause a memory violation or a
* loop. It is not practical to implement Icon on a system on which this
* happens.
*/
#define InRange(p1,p2,p3) ((uword)(p2) >= (uword)(p1) && (uword)(p2) < (uword)(p3))
/*
* Get floating-point number from real block.
*/
#ifdef Double
#define GetReal(dp,res) *((struct size_dbl *)&(res)) =\
*((struct size_dbl *)&(BlkLoc(*dp)->realblk.realval))
#else /* Double */
#define GetReal(dp,res) res = BlkLoc(*dp)->realblk.realval
#endif /* Double */
/*
* Absolute value, maximum, and minimum.
* N.B. UNSAFE MACROS: may evaluate arguments multiple times.
*/
#define Abs(x) (((x) < 0) ? (-(x)) : (x))
#define Max(x,y) ((x)>(y)?(x):(y))
#define Min(x,y) ((x)<(y)?(x):(y))
/*
* Number of elements of a C array, and element size.
*/
#define ElemCount(a) (sizeof(a)/sizeof(a[0]))
#define ElemSize(a) (sizeof(a[0]))
/*
* Construct an integer descriptor.
*/
#define MakeInt(i,dp) do { \
(dp)->dword = D_Integer; \
IntVal(*dp) = (word)(i); \
} while (0)
/*
* Construct a string descriptor.
*/
#define MakeStr(s,len,dp) do { \
StrLoc(*dp) = (s); \
StrLen(*dp) = (len); \
} while (0)
/*
* Offset in word of cset bit.
*/
#define CsetOff(b) ((b) & BitOffMask)
/*
* Set bit b in cset c.
*/
#define Setb(b,c) (*CsetPtr(b,c) |= (01 << CsetOff(b)))
/*
* Test bit b in cset c.
*/
#define Testb(b,c) ((*CsetPtr(b,c) >> CsetOff(b)) & 01)
/*
* Check whether a set or table needs resizing.
*/
#define SP(p) ((struct b_set *)p)
#define TooCrowded(p) \
((SP(p)->size > MaxHLoad*(SP(p)->mask+1)) && (SP(p)->hdir[HSegs-1] == NULL))
#define TooSparse(p) \
((SP(p)->hdir[1] != NULL) && (SP(p)->size < MinHLoad*(SP(p)->mask+1)))
/*
* Definitions and declarations used for storage management.
*/
#define F_Mark 0100000 /* bit for marking blocks */
/*
* Argument values for the built-in Icon user function "collect()".
*/
#define Static 1 /* collection is for static region */
#define Strings 2 /* collection is for strings */
#define Blocks 3 /* collection is for blocks */
/*
* Get type of block pointed at by x.
*/
#define BlkType(x) (*(word *)x)
/*
* BlkSize(x) takes the block pointed to by x and if the size of
* the block as indicated by bsizes[] is nonzero it returns the
* indicated size; otherwise it returns the second word in the
* block contains the size.
*/
#define BlkSize(x) (bsizes[*(word *)x & ~F_Mark] ? \
bsizes[*(word *)x & ~F_Mark] : *((word *)x + 1))
/*
* Here are the events we support (in addition to keyboard characters)
*/
#define MOUSELEFT (-1)
#define MOUSEMID (-2)
#define MOUSERIGHT (-3)
#define MOUSELEFTUP (-4)
#define MOUSEMIDUP (-5)
#define MOUSERIGHTUP (-6)
#define MOUSELEFTDRAG (-7)
#define MOUSEMIDDRAG (-8)
#define MOUSERIGHTDRAG (-9)
#define RESIZED (-10)
#define LASTEVENTCODE RESIZED
/*
* Type codes (descriptors and blocks).
*/
#define T_String -1 /* string -- for reference; not used */
#define T_Null 0 /* null value */
#define T_Integer 1 /* integer */
#ifdef LargeInts
#define T_Lrgint 2 /* long integer */
#endif /* LargeInts */
#define T_Real 3 /* real number */
#define T_Cset 4 /* cset */
#define T_File 5 /* file */
#define T_Proc 6 /* procedure */
#define T_Record 7 /* record */
#define T_List 8 /* list header */
#define T_Lelem 9 /* list element */
#define T_Set 10 /* set header */
#define T_Selem 11 /* set element */
#define T_Table 12 /* table header */
#define T_Telem 13 /* table element */
#define T_Tvtbl 14 /* table element trapped variable */
#define T_Slots 15 /* set/table hash slots */
#define T_Tvsubs 16 /* substring trapped variable */
#define T_Refresh 17 /* refresh block */
#define T_Coexpr 18 /* co-expression */
#define T_External 19 /* external block */
#define T_Kywdint 20 /* integer keyword */
#define T_Kywdpos 21 /* keyword &pos */
#define T_Kywdsubj 22 /* keyword &subject */
#define T_Kywdwin 23 /* keyword &window */
#define T_Kywdstr 24 /* string keyword */
#define T_Kywdevent 25 /* keyword &eventsource, etc. */
#define MaxType 26 /* maximum type number */
/*
* Definitions for keywords.
*/
#define k_pos kywd_pos.vword.integr /* value of &pos */
#define k_random kywd_ran.vword.integr /* value of &random */
#define k_trace kywd_trc.vword.integr /* value of &trace */
#define k_dump kywd_dmp.vword.integr /* value of &dump */
#ifdef FncTrace
#define k_ftrace kywd_ftrc.vword.integr /* value of &ftrace */
#endif /* FncTrace */
/*
* Descriptor types and flags.
*/
#define D_Null (T_Null | D_Typecode)
#define D_Integer (T_Integer | D_Typecode)
#ifdef LargeInts
#define D_Lrgint (T_Lrgint | D_Typecode | F_Ptr)
#endif /* LargeInts */
#define D_Real (T_Real | D_Typecode | F_Ptr)
#define D_Cset (T_Cset | D_Typecode | F_Ptr)
#define D_File (T_File | D_Typecode | F_Ptr)
#define D_Proc (T_Proc | D_Typecode | F_Ptr)
#define D_List (T_List | D_Typecode | F_Ptr)
#define D_Lelem (T_Lelem | D_Typecode | F_Ptr)
#define D_Table (T_Table | D_Typecode | F_Ptr)
#define D_Telem (T_Telem | D_Typecode | F_Ptr)
#define D_Set (T_Set | D_Typecode | F_Ptr)
#define D_Selem (T_Selem | D_Typecode | F_Ptr)
#define D_Record (T_Record | D_Typecode | F_Ptr)
#define D_Tvsubs (T_Tvsubs | D_Typecode | F_Ptr | F_Var)
#define D_Tvtbl (T_Tvtbl | D_Typecode | F_Ptr | F_Var)
#define D_Kywdint (T_Kywdint | D_Typecode | F_Ptr | F_Var)
#define D_Kywdpos (T_Kywdpos | D_Typecode | F_Ptr | F_Var)
#define D_Kywdsubj (T_Kywdsubj | D_Typecode | F_Ptr | F_Var)
#define D_Refresh (T_Refresh | D_Typecode | F_Ptr)
#define D_Coexpr (T_Coexpr | D_Typecode | F_Ptr)
#define D_External (T_External | D_Typecode | F_Ptr)
#define D_Slots (T_Slots | D_Typecode | F_Ptr)
#define D_Kywdwin (T_Kywdwin | D_Typecode | F_Ptr | F_Var)
#define D_Kywdstr (T_Kywdstr | D_Typecode | F_Ptr | F_Var)
#define D_Kywdevent (T_Kywdevent| D_Typecode | F_Ptr | F_Var)
#define D_Var (F_Var | F_Nqual | F_Ptr)
#define D_Typecode (F_Nqual | F_Typecode)
#define TypeMask 63 /* type mask */
#define OffsetMask (~(D_Var)) /* offset mask for variables */
/*
* "In place" dereferencing.
*/
#define Deref(d) if (Var(d)) deref(&d, &d)
/*
* Construct a substring trapped variable.
*/
#define SubStr(dest,var,len,pos)\
if ((var)->dword == D_Tvsubs)\
(dest)->vword.bptr = (union block *)alcsubs(len, (pos) +\
BlkLoc(*(var))->tvsubs.sspos - 1, &BlkLoc(*(var))->tvsubs.ssvar);\
else\
(dest)->vword.bptr = (union block *)alcsubs(len, pos, (var));\
(dest)->dword = D_Tvsubs;
/*
* Find debug struct in procedure frame, assuming debugging is enabled.
* Note that there is always one descriptor in array even if it is not
* being used.
*/
#define PFDebug(pf) ((struct debug *)((char *)(pf).tend.d +\
sizeof(struct descrip) * ((pf).tend.num ? (pf).tend.num : 1)))
/*
* Macro for initialized procedure block.
*/
#define B_IProc(n) struct {word title; word blksize; int (*ccode)();\
word nparam; word ndynam; word nstatic; word fstatic;\
struct sdescrip quals[n];}
#define ssize (curstring->size)
#define strbase (curstring->base)
#define strend (curstring->end)
#define strfree (curstring->free)
#define abrsize (curblock->size)
#define blkbase (curblock->base)
#define blkend (curblock->end)
#define blkfree (curblock->free)
#if COMPILER
#ifdef Graphics
#define Poll() if (!pollctr--) pollctr = pollevent()
#else /* Graphics */
#define Poll()
#endif /* Graphics */
#else /* COMPILER */
/*
* Definitions for the interpreter.
*/
/*
* Codes returned by invoke to indicate action.
*/
#define I_Builtin 201 /* A built-in routine is to be invoked */
#define I_Fail 202 /* goal-directed evaluation failed */
#define I_Continue 203 /* Continue execution in the interp loop */
#define I_Vararg 204 /* A function with a variable number of args */
/*
* Generator types.
*/
#define G_Csusp 1
#define G_Esusp 2
#define G_Psusp 3
#define G_Fsusp 4
#define G_Osusp 5
/*
* Evaluation stack overflow margin
*/
#define PerilDelta 100
/*
* Macros for pushing values on the interpreter stack.
*/
/*
* Push descriptor.
*/
#define PushDescSP(SP,d) {*++SP=((d).dword); SP++; *SP =((d).vword.integr);}
/*
* Push null-valued descriptor.
*/
#define PushNullSP(SP) {*++SP = D_Null; SP++; *SP = 0;}
/*
* Push word.
*/
#define PushValSP(SP,v) {*++SP = (word)(v);}
/*
* Shorter Versions of the Push*SP macros that assume sp points to the top
* of the stack.
*/
#define PushDesc(d) PushDescSP(sp,d)
#define PushNull PushNullSP(sp)
#define PushVal(x) PushValSP(sp,x)
#define PushAVal(x) PushValSP(sp,x)
/*
* Macros related to function and operator definition.
*/
/*
* Procedure block for a function.
*/
#define FncBlock(f,nargs,deref) \
struct b_iproc Cat(B,f) = {\
T_Proc,\
Vsizeof(struct b_proc),\
Cat(Z,f),\
nargs,\
-1,\
deref, 0,\
{sizeof(Lit(f))-1,Lit(f)}};
/*
* Procedure block for an operator.
*/
#define OpBlock(f,nargs,sname,xtrargs)\
struct b_iproc Cat(B,f) = {\
T_Proc,\
Vsizeof(struct b_proc),\
Cat(O,f),\
nargs,\
-1,\
xtrargs,\
0,\
{sizeof(sname)-1,sname}};
/*
* Operator declaration.
*/
#define OpDcl(nm,n,pn) OpBlock(nm,n,pn,0) Cat(O,nm)(cargp) register dptr cargp;
/*
* Operator declaration with extra working argument.
*/
#define OpDclE(nm,n,pn) OpBlock(nm,-n,pn,0) Cat(O,nm)(cargp) register dptr cargp;
/*
* Agent routine declaration.
*/
#define AgtDcl(nm) Cat(A,nm)(cargp) register dptr cargp;
/*
* Macros to access Icon arguments in C functions.
*/
/*
* n-th argument.
*/
#define Arg(n) (cargp[n])
/*
* Type field of n-th argument.
*/
#define ArgType(n) (cargp[n].dword)
/*
* Value field of n-th argument.
*/
#define ArgVal(n) (cargp[n].vword.integr)
/*
* Specific arguments.
*/
#define Arg0 (cargp[0])
#define Arg1 (cargp[1])
#define Arg2 (cargp[2])
#define Arg3 (cargp[3])
#define Arg4 (cargp[4])
#define Arg5 (cargp[5])
#define Arg6 (cargp[6])
#define Arg7 (cargp[7])
#define Arg8 (cargp[8])
/*
* Miscellaneous macro definitions.
*/
#ifdef MultiThread
#define glbl_argp (curpstate->Glbl_argp)
#define kywd_err (curpstate->Kywd_err)
#define kywd_pos (curpstate->Kywd_pos)
#define kywd_prog (curpstate->Kywd_prog)
#define kywd_ran (curpstate->Kywd_ran)
#define k_eventcode (curpstate->eventcode)
#define k_eventsource (curpstate->eventsource)
#define k_eventvalue (curpstate->eventval)
#define k_subject (curpstate->ksub)
#define kywd_trc (curpstate->Kywd_trc)
#define mainhead (curpstate->Mainhead)
#define code (curpstate->Code)
#define ecode (curpstate->Ecode)
#define records (curpstate->Records)
#define ftabp (curpstate->Ftabp)
#ifdef FieldTableCompression
#define ftabwidth (curpstate->Ftabwidth)
#define foffwidth (curpstate->Foffwidth)
#define ftabcp (curpstate->Ftabcp)
#define ftabsp (curpstate->Ftabsp)
#define focp (curpstate->Focp)
#define fosp (curpstate->Fosp)
#define fo (curpstate->Fo)
#define bm (curpstate->Bm)
#endif /* FieldTableCompression */
#define fnames (curpstate->Fnames)
#define efnames (curpstate->Efnames)
#define globals (curpstate->Globals)
#define eglobals (curpstate->Eglobals)
#define gnames (curpstate->Gnames)
#define egnames (curpstate->Egnames)
#define statics (curpstate->Statics)
#define estatics (curpstate->Estatics)
#define n_globals (curpstate->NGlobals)
#define n_statics (curpstate->NStatics)
#define strcons (curpstate->Strcons)
#define filenms (curpstate->Filenms)
#define efilenms (curpstate->Efilenms)
#define ilines (curpstate->Ilines)
#define elines (curpstate->Elines)
#define current_line_ptr (curpstate->Current_line_ptr)
#ifdef Graphics
#define amperX (curpstate->AmperX)
#define amperY (curpstate->AmperY)
#define amperRow (curpstate->AmperRow)
#define amperCol (curpstate->AmperCol)
#define amperInterval (curpstate->AmperInterval)
#define lastEventWin (curpstate->LastEventWin)
#define lastEvFWidth (curpstate->LastEvFWidth)
#define lastEvLeading (curpstate->LastEvLeading)
#define lastEvAscent (curpstate->LastEvAscent)
#define kywd_xwin (curpstate->Kywd_xwin)
#define xmod_control (curpstate->Xmod_Control)
#define xmod_shift (curpstate->Xmod_Shift)
#define xmod_meta (curpstate->Xmod_Meta)
#endif /* Graphics */
#ifdef EventMon
#define linenum (curpstate->Linenum)
#define column (curpstate->Column)
#define lastline (curpstate->Lastline)
#define lastcol (curpstate->Lastcol)
#endif /* EventMon */
#define coexp_ser (curpstate->Coexp_ser)
#define list_ser (curpstate->List_ser)
#define set_ser (curpstate->Set_ser)
#define table_ser (curpstate->Table_ser)
#define curstring (curpstate->stringregion)
#define curblock (curpstate->blockregion)
#define strtotal (curpstate->stringtotal)
#define blktotal (curpstate->blocktotal)
#define coll_tot (curpstate->colltot)
#define coll_stat (curpstate->collstat)
#define coll_str (curpstate->collstr)
#define coll_blk (curpstate->collblk)
#define lastop (curpstate->Lastop)
#define lastopnd (curpstate->Lastopnd)
#define xargp (curpstate->Xargp)
#define xnargs (curpstate->Xnargs)
#define k_current (curpstate->K_current)
#define k_errornumber (curpstate->K_errornumber)
#define k_errortext (curpstate->K_errortext)
#define k_errorvalue (curpstate->K_errorvalue)
#define have_errval (curpstate->Have_errval)
#define t_errornumber (curpstate->T_errornumber)
#define t_have_val (curpstate->T_have_val)
#define t_errorvalue (curpstate->T_errorvalue)
#define k_main (curpstate->K_main)
#define k_errout (curpstate->K_errout)
#define k_input (curpstate->K_input)
#define k_output (curpstate->K_output)
#define ENTERPSTATE(p) if (((p)!=NULL)) { curpstate = (p); }
#endif /* MultiThread */
#endif /* COMPILER */
/*
* Constants controlling expression evaluation.
*/
#if COMPILER
#define A_Resume -1 /* expression failed: resume a generator */
#define A_Continue -2 /* expression returned: continue execution */
#define A_FallThru -3 /* body function: fell through end of code */
#define A_Coact 1 /* co-expression activation */
#define A_Coret 2 /* co-expression return */
#define A_Cofail 3 /* co-expression failure */
#else /* COMPILER */
#define A_Resume 1 /* routine failed */
#define A_Pret_uw 2 /* interp unwind for Op_Pret */
#define A_Unmark_uw 3 /* interp unwind for Op_Unmark */
#define A_Pfail_uw 4 /* interp unwind for Op_Pfail */
#define A_Lsusp_uw 5 /* interp unwind for Op_Lsusp */
#define A_Eret_uw 6 /* interp unwind for Op_Eret */
#define A_Continue 7 /* routine returned */
#define A_Coact 8 /* co-expression activated */
#define A_Coret 9 /* co-expression returned */
#define A_Cofail 10 /* co-expression failed */
#ifdef MultiThread
#define A_MTEvent 11 /* multithread event */
#endif /* MultiThread */
#endif /* COMPILER */
/*
* Address of word containing cset bit b (c is a struct descrip of type Cset).
*/
#define CsetPtr(b,c) (BlkLoc(c)->cset.bits + (((b)&0377) >> LogIntBits))
/**************************************** end ../h/rmacros.h */
/**************************************** from ../h/rstructs.h: */
/*
* Run-time data structures.
*/
/*
* Structures common to the compiler and interpreter.
*/
/*
* Run-time error numbers and text.
*/
struct errtab {
int err_no; /* error number */
char *errmsg; /* error message */
};
/*
* Descriptor
*/
struct descrip { /* descriptor */
word dword; /* type field */
union {
word integr; /* integer value */
char *sptr; /* pointer to character string */
union block *bptr; /* pointer to a block */
dptr descptr; /* pointer to a descriptor */
} vword;
};
struct sdescrip {
word length; /* length of string */
char *string; /* pointer to string */
};
#ifdef LargeInts
struct b_bignum { /* large integer block */
word title; /* T_Lrgint */
word blksize; /* block size */
word msd, lsd; /* most and least significant digits */
int sign; /* sign; 0 positive, 1 negative */
DIGIT digits[1]; /* digits */
};
#endif /* LargeInts */
struct b_real { /* real block */
word title; /* T_Real */
double realval; /* value */
};
struct b_cset { /* cset block */
word title; /* T_Cset */
word size; /* size of cset */
unsigned int bits[CsetSize]; /* array of bits */
};
struct b_file { /* file block */
word title; /* T_File */
FILE *fd; /* Unix file descriptor */
word status; /* file status */
struct descrip fname; /* file name (string qualifier) */
};
struct b_lelem { /* list-element block */
word title; /* T_Lelem */
word blksize; /* size of block */
union block *listprev; /* previous list-element block */
union block *listnext; /* next list-element block */
word nslots; /* total number of slots */
word first; /* index of first used slot */
word nused; /* number of used slots */
struct descrip lslots[1]; /* array of slots */
};
struct b_list { /* list-header block */
word title; /* T_List */
word size; /* current list size */
word id; /* identification number */
union block *listhead; /* pointer to first list-element block */
union block *listtail; /* pointer to last list-element block */
};
struct b_proc { /* procedure block */
word title; /* T_Proc */
word blksize; /* size of block */
#if COMPILER
int (*ccode)();
#else /* COMPILER */
union { /* entry points for */
int (*ccode)(); /* C routines */
uword ioff; /* and icode as offset */
pointer icode; /* and icode as absolute pointer */
} entryp;
#endif /* COMPILER */
word nparam; /* number of parameters */
word ndynam; /* number of dynamic locals */
word nstatic; /* number of static locals */
word fstatic; /* index (in global table) of first static */
struct descrip pname; /* procedure name (string qualifier) */
struct descrip lnames[1]; /* list of local names (qualifiers) */
};
struct b_record { /* record block */
word title; /* T_Record */
word blksize; /* size of block */
word id; /* identification number */
union block *recdesc; /* pointer to record constructor */
struct descrip fields[1]; /* fields */
};
/*
* Alternate uses for procedure block fields, applied to records.
*/
#define nfields nparam /* number of fields */
#define recnum nstatic /* record number */
#define recid fstatic /* record serial number */
#define recname pname /* record name */
struct b_selem { /* set-element block */
word title; /* T_Selem */
union block *clink; /* hash chain link */
uword hashnum; /* hash number */
struct descrip setmem; /* the element */
};
/*
* A set header must be a proper prefix of a table header,
* and a set element must be a proper prefix of a table element.
*/
struct b_set { /* set-header block */
word title; /* T_Set */
word size; /* size of the set */
word id; /* identification number */
word mask; /* mask for slot num, equals n slots - 1 */
struct b_slots *hdir[HSegs]; /* directory of hash slot segments */
};
struct b_table { /* table-header block */
word title; /* T_Table */
word size; /* current table size */
word id; /* identification number */
word mask; /* mask for slot num, equals n slots - 1 */
struct b_slots *hdir[HSegs]; /* directory of hash slot segments */
struct descrip defvalue; /* default table element value */
};
struct b_slots { /* set/table hash slots */
word title; /* T_Slots */
word blksize; /* size of block */
union block *hslots[HSlots]; /* array of slots (HSlots * 2^n entries) */
};
struct b_telem { /* table-element block */
word title; /* T_Telem */
union block *clink; /* hash chain link */
uword hashnum; /* for ordering chain */
struct descrip tref; /* entry value */
struct descrip tval; /* assigned value */
};
struct b_tvsubs { /* substring trapped variable block */
word title; /* T_Tvsubs */
word sslen; /* length of substring */
word sspos; /* position of substring */
struct descrip ssvar; /* variable that substring is from */
};
struct b_tvtbl { /* table element trapped variable block */
word title; /* T_Tvtbl */
union block *clink; /* pointer to table header block */
uword hashnum; /* hash number */
struct descrip tref; /* entry value */
};
struct b_external { /* external block */
word title; /* T_External */
word blksize; /* size of block */
word exdata[1]; /* words of external data */
};
struct astkblk { /* co-expression activator-stack block */
int nactivators; /* valid activator entries in this block */
struct astkblk *astk_nxt; /* next activator block */
struct actrec { /* activator record */
word acount; /* number of calls by this activator */
struct b_coexpr *activator; /* the activator itself */
} arec[ActStkBlkEnts];
};
/*
* Structure for keeping set/table generator state across a suspension.
*/
struct hgstate { /* hashed-structure generator state */
int segnum; /* current segment number */
word slotnum; /* current slot number */
word tmask; /* structure mask before suspension */
word sgmask[HSegs]; /* mask in use when the segment was created */
uword sghash[HSegs]; /* hashnum in process when seg was created */
};
/*
* Structure for chaining tended descriptors.
*/
struct tend_desc {
struct tend_desc *previous;
int num;
struct descrip d[1]; /* actual size of array indicated by num */
};
/*
* Structure for mapping string names of functions and operators to block
* addresses.
*/
struct pstrnm {
char *pstrep;
struct b_proc *pblock;
};
struct dpair {
struct descrip dr;
struct descrip dv;
};
/*
* Allocated memory region structure. Each program has linked lists of
* string and block regions.
*/
struct region {
word size; /* allocated region size in bytes */
char *base; /* start of region */
char *end; /* end of region */
char *free; /* free pointer */
struct region *prev, *next; /* forms a linked list of regions */
struct region *Gprev, *Gnext; /* global (all programs) lists */
};
#ifdef Double
/*
* Data type the same size as a double but without alignment requirements.
*/
struct size_dbl {
char s[sizeof(double)];
};
#endif /* Double */
#if COMPILER
/*
* Structures for the compiler.
*/
struct p_frame {
struct p_frame *old_pfp;
struct descrip *old_argp;
struct descrip *rslt;
continuation succ_cont;
struct tend_desc tend;
};
#endif /* COMPILER */
/*
* when debugging is enabled a debug struct is placed after the tended
* descriptors in the procedure frame.
*/
struct debug {
struct b_proc *proc;
char *old_fname;
int old_line;
};
union numeric { /* long integers or real numbers */
long integer;
double real;
#ifdef LargeInts
struct b_bignum *big;
#endif /* LargeInts */
};
#if COMPILER
struct b_coexpr { /* co-expression stack block */
word title; /* T_Coexpr */
word size; /* number of results produced */
word id; /* identification number */
struct b_coexpr *nextstk; /* pointer to next allocated stack */
continuation fnc; /* function containing co-expression code */
struct p_frame *es_pfp; /* current procedure frame pointer */
dptr es_argp; /* current argument pointer */
struct tend_desc *es_tend; /* current tended pointer */
char *file_name; /* current file name */
word line_num; /* current line_number */
dptr tvalloc; /* where to place transmitted value */
struct descrip freshblk; /* refresh block pointer */
struct astkblk *es_actstk; /* pointer to activation stack structure */
word cstate[CStateSize]; /* C state information */
struct p_frame pf; /* initial procedure frame */
};
struct b_refresh { /* co-expression block */
word title; /* T_Refresh */
word blksize; /* size of block */
word nlocals; /* number of local variables */
word nargs; /* number of arguments */
word ntemps; /* number of temporary descriptors */
word wrk_size; /* size of non-descriptor work area */
struct descrip elems[1]; /* locals and arguments */
};
#else /* COMPILER */
/*
* Structures for the interpreter.
*/
/*
* Declarations for entries in tables associating icode location with
* source program location.
*/
struct ipc_fname {
word ipc; /* offset of instruction into code region */
word fname; /* offset of file name into string region */
};
struct ipc_line {
word ipc; /* offset of instruction into code region */
int line; /* line number */
};
#ifdef MultiThread
/*
* Program state encapsulation. This consists of the VARIABLE parts of
* many global structures.
*/
struct progstate {
long hsize; /* size of the icode */
struct progstate *parent;
struct descrip parentdesc; /* implicit "&parent" */
struct descrip eventmask; /* implicit "&eventmask" */
struct descrip opcodemask; /* implicit "&opcodemask" */
struct descrip eventcode; /* &eventcode */
struct descrip eventval; /* &eventval */
struct descrip eventsource; /* &eventsource */
dptr Glbl_argp; /* global argp */
/*
* trapped variable keywords' values
*/
struct descrip Kywd_err;
struct descrip Kywd_pos;
struct descrip ksub;
struct descrip Kywd_prog;
struct descrip Kywd_ran;
struct descrip Kywd_trc;
struct b_coexpr *Mainhead;
char *Code;
char *Ecode;
word *Records;
int *Ftabp;
#ifdef FieldTableCompression
short Ftabwidth, Foffwidth;
unsigned char *Ftabcp, *Focp;
short *Ftabsp, *Fosp;
int *Fo;
char *Bm;
#endif /* FieldTableCompression */
dptr Fnames, Efnames;
dptr Globals, Eglobals;
dptr Gnames, Egnames;
dptr Statics, Estatics;
int NGlobals, NStatics;
char *Strcons;
struct ipc_fname *Filenms, *Efilenms;
struct ipc_line *Ilines, *Elines;
struct ipc_line * Current_line_ptr;
#ifdef Graphics
struct descrip AmperX, AmperY, AmperRow, AmperCol;/* &x, &y, &row, &col */
struct descrip AmperInterval; /* &interval */
struct descrip LastEventWin; /* last Event() win */
int LastEvFWidth;
int LastEvLeading;
int LastEvAscent;
uword PrevTimeStamp; /* previous timestamp */
uword Xmod_Control, Xmod_Shift, Xmod_Meta; /* control,shift,meta */
struct descrip Kywd_xwin[2]; /* &window + ... */
#endif /* Graphics */
#ifdef EventMon
word Linenum, Column, Lastline, Lastcol;
#endif /* EventMon */
word Coexp_ser; /* this program's serial numbers */
word List_ser;
word Set_ser;
word Table_ser;
uword stringtotal; /* cumulative total allocation */
uword blocktotal; /* cumulative total allocation */
word colltot; /* total number of collections */
word collstat; /* number of static collect requests */
word collstr; /* number of string collect requests */
word collblk; /* number of block collect requests */
struct region *stringregion;
struct region *blockregion;
word Lastop;
dptr Xargp;
word Xnargs;
struct descrip K_current;
int K_errornumber;
char *K_errortext;
struct descrip K_errorvalue;
int Have_errval;
int T_errornumber;
int T_have_val;
struct descrip T_errorvalue;
struct descrip K_main;
struct b_file K_errout;
struct b_file K_input;
struct b_file K_output;
};
#endif /* MultiThread */
/*
* Frame markers
*/
struct ef_marker { /* expression frame marker */
inst ef_failure; /* failure ipc */
struct ef_marker *ef_efp; /* efp */
struct gf_marker *ef_gfp; /* gfp */
word ef_ilevel; /* ilevel */
};
struct pf_marker { /* procedure frame marker */
word pf_nargs; /* number of arguments */
struct pf_marker *pf_pfp; /* saved pfp */
struct ef_marker *pf_efp; /* saved efp */
struct gf_marker *pf_gfp; /* saved gfp */
dptr pf_argp; /* saved argp */
inst pf_ipc; /* saved ipc */
word pf_ilevel; /* saved ilevel */
dptr pf_scan; /* saved scanning environment */
#ifdef MultiThread
struct progstate *pf_prog;/* saved program state pointer */
#endif /* MultiThread */
struct descrip pf_locals[1]; /* descriptors for locals */
};
struct gf_marker { /* generator frame marker */
word gf_gentype; /* type */
struct ef_marker *gf_efp; /* efp */
struct gf_marker *gf_gfp; /* gfp */
inst gf_ipc; /* ipc */
struct pf_marker *gf_pfp; /* pfp */
dptr gf_argp; /* argp */
};
/*
* Generator frame marker dummy -- used only for sizing "small"
* generator frames where procedure information need not be saved.
* The first five members here *must* be identical to those for
* gf_marker.
*/
struct gf_smallmarker { /* generator frame marker */
word gf_gentype; /* type */
struct ef_marker *gf_efp; /* efp */
struct gf_marker *gf_gfp; /* gfp */
inst gf_ipc; /* ipc */
};
/*
* b_iproc blocks are used to statically initialize information about
* functions. They are identical to b_proc blocks except for
* the pname field which is a sdescrip (simple/string descriptor) instead
* of a descrip. This is done because unions cannot be initialized.
*/
struct b_iproc { /* procedure block */
word ip_title; /* T_Proc */
word ip_blksize; /* size of block */
int (*ip_entryp)(); /* entry point (code) */
word ip_nparam; /* number of parameters */
word ip_ndynam; /* number of dynamic locals */
word ip_nstatic; /* number of static locals */
word ip_fstatic; /* index (in global table) of first static */
struct sdescrip ip_pname; /* procedure name (string qualifier) */
struct descrip ip_lnames[1]; /* list of local names (qualifiers) */
};
struct b_coexpr { /* co-expression stack block */
word title; /* T_Coexpr */
word size; /* number of results produced */
word id; /* identification number */
struct b_coexpr *nextstk; /* pointer to next allocated stack */
struct pf_marker *es_pfp; /* current pfp */
struct ef_marker *es_efp; /* efp */
struct gf_marker *es_gfp; /* gfp */
struct tend_desc *es_tend; /* current tended pointer */
dptr es_argp; /* argp */
inst es_ipc; /* ipc */
word es_ilevel; /* interpreter level */
word *es_sp; /* sp */
dptr tvalloc; /* where to place transmitted value */
struct descrip freshblk; /* refresh block pointer */
struct astkblk *es_actstk; /* pointer to activation stack structure */
#ifdef MultiThread
struct progstate *program;
#endif /* MultiThread */
word cstate[CStateSize]; /* C state information */
};
struct b_refresh { /* co-expression block */
word title; /* T_Refresh */
word blksize; /* size of block */
word *ep; /* entry point */
word numlocals; /* number of locals */
struct pf_marker pfmkr; /* marker for enclosing procedure */
struct descrip elems[1]; /* arguments and locals, including Arg0 */
};
#endif /* COMPILER */
union block { /* general block */
struct b_real realblk;
struct b_cset cset;
struct b_file file;
struct b_proc proc;
struct b_list list;
struct b_lelem lelem;
struct b_table table;
struct b_telem telem;
struct b_set set;
struct b_selem selem;
struct b_record record;
struct b_tvsubs tvsubs;
struct b_tvtbl tvtbl;
struct b_refresh refresh;
struct b_coexpr coexpr;
struct b_external externl;
struct b_slots slots;
#ifdef LargeInts
struct b_bignum bignumblk;
#endif /* LargeInts */
};
/**************************************** end ../h/rstructs.h */
#ifdef Graphics
/**************************************** from ../h/graphics.h: */
/*
* graphics.h - macros and types used in Icon's graphics interface.
*/
#ifdef XWindows
/**************************************** from ../h/xwin.h: */
#ifdef XWindows
#define DRAWOP_AND GXand
#define DRAWOP_ANDINVERTED GXandInverted
#define DRAWOP_ANDREVERSE GXandReverse
#define DRAWOP_CLEAR GXclear
#define DRAWOP_COPY GXcopy
#define DRAWOP_COPYINVERTED GXcopyInverted
#define DRAWOP_EQUIV GXequiv
#define DRAWOP_INVERT GXinvert
#define DRAWOP_NAND GXnand
#define DRAWOP_NOOP GXnoop
#define DRAWOP_NOR GXnor
#define DRAWOP_OR GXor
#define DRAWOP_ORINVERTED GXorInverted
#define DRAWOP_ORREVERSE GXorReverse
#define DRAWOP_REVERSE 0x10
#define DRAWOP_SET GXset
#define DRAWOP_XOR GXxor
#define XLFD_Foundry 1
#define XLFD_Family 2
#define XLFD_Weight 3
#define XLFD_Slant 4
#define XLFD_SetWidth 5
#define XLFD_AddStyle 6
#define XLFD_Size 7
#define XLFD_PointSize 8
#define XLFD_Spacing 11
#define XLFD_CharSet 13
#define TEXTWIDTH(w,s,n) XTextWidth((w)->context->font->fsp, s, n)
#define SCREENDEPTH(w)\
DefaultDepth((w)->window->display->display, w->window->display->screen)
#define ASCENT(w) ((w)->context->font->fsp->ascent)
#define DESCENT(w) ((w)->context->font->fsp->descent)
#define LEADING(w) ((w)->context->leading)
#define FHEIGHT(w) ((w)->context->font->height)
#define FWIDTH(w) ((w)->context->font->fsp->max_bounds.width)
#define LINEWIDTH(w) ((w)->context->linewidth)
#define DISPLAYHEIGHT(w)\
DisplayHeight(w->window->display->display, w->window->display->screen)
#define DISPLAYWIDTH(w)\
DisplayWidth(w->window->display->display, w->window->display->screen)
#define FS_SOLID FillSolid
#define FS_STIPPLE FillStippled
#define hidecrsr(x) /* noop */
#define UpdateCursorPos(x, y) /* noop */
#define showcrsr(x) /* noop */
#define SysColor XColor
#define ARCWIDTH(arc) ((arc).width)
#define ARCHEIGHT(arc) ((arc).height)
#define RECX(rec) ((rec).x)
#define RECY(rec) ((rec).y)
#define RECWIDTH(rec) ((rec).width)
#define RECHEIGHT(rec) ((rec).height)
#define ANGLE(ang) (-(ang) * 180 / Pi * 64)
#define EXTENT(ang) (-(ang) * 180 / Pi * 64)
#define ISICONIC(w) ((w)->window->iconic == IconicState)
#define ISFULLSCREEN(w) (0)
#define ISROOTWIN(w) ((w)->window->iconic == RootState)
#define ISNORMALWINDOW(w) ((w)->window->iconic == NormalState)
#define ICONFILENAME(w) ((w)->window->iconimage)
#define ICONLABEL(w) ((w)->window->iconlabel)
#define WINDOWLABEL(w) ((w)->window->windowlabel)
#define RootState IconicState+1
#define MaximizedState IconicState+2
#define HiddenState IconicState+3
/*
* The following constants define limitations in the system, gradually being
* removed as this code is rewritten to use dynamic allocation.
*/
#define WMAXCOLORS 256
#define MAXCOLORNAME 40
#define MAXDISPLAYNAME 64
#define SHARED 0
#define MUTABLE 1
#define NUMCURSORSYMS 78
/*
* Macros to ease coding in which every X call must be done twice.
*/
#define RENDER2(func,v1,v2) {\
if (stdwin) func(stddpy, stdwin, stdgc, v1, v2); \
func(stddpy, stdpix, stdgc, v1, v2);}
#define RENDER3(func,v1,v2,v3) {\
if (stdwin) func(stddpy, stdwin, stdgc, v1, v2, v3); \
func(stddpy, stdpix, stdgc, v1, v2, v3);}
#define RENDER4(func,v1,v2,v3,v4) {\
if (stdwin) func(stddpy, stdwin, stdgc, v1, v2, v3, v4); \
func(stddpy, stdpix, stdgc, v1, v2, v3, v4);}
#define RENDER6(func,v1,v2,v3,v4,v5,v6) {\
if (stdwin) func(stddpy, stdwin, stdgc, v1, v2, v3, v4, v5, v6); \
func(stddpy, stdpix, stdgc, v1, v2, v3, v4, v5, v6);}
#define RENDER7(func,v1,v2,v3,v4,v5,v6,v7) {\
if (stdwin) func(stddpy, stdwin, stdgc, v1, v2, v3, v4, v5, v6, v7); \
func(stddpy, stdpix, stdgc, v1, v2, v3, v4, v5, v6, v7);}
#define MAXDESCENDER(w) (w->context->font->fsp->max_bounds.descent)
/*
* Macros to perform direct window system calls from graphics routines
*/
#define STDLOCALS(w) \
wcp wc = (w)->context; \
wsp ws = (w)->window; \
wdp wd = ws->display; \
GC stdgc = wc->gc; \
Display *stddpy = wd->display; \
Window stdwin = ws->win; \
Pixmap stdpix = ws->pix;
#define drawarcs(w, arcs, narcs) \
{ STDLOCALS(w); RENDER2(XDrawArcs,arcs,narcs); }
#define drawlines(w, points, npoints) \
{ STDLOCALS(w); RENDER3(XDrawLines,points,npoints,CoordModeOrigin); }
#define drawpoints(w, points, npoints) \
{ STDLOCALS(w); RENDER3(XDrawPoints,points,npoints,CoordModeOrigin); }
#define drawrectangles(w, recs, nrecs) { \
STDLOCALS(w); \
for(i=0; i<nrecs; i++) { \
RENDER4(XDrawRectangle,recs[i].x,recs[i].y,recs[i].width,recs[i].height);\
}}
#define drawsegments(w, segs, nsegs) \
{ STDLOCALS(w); RENDER2(XDrawSegments,segs,nsegs); }
#define drawstrng(w, x, y, s, slen) \
{ STDLOCALS(w); RENDER4(XDrawString, x, y, s, slen); }
#define fillarcs(w, arcs, narcs) \
{ STDLOCALS(w); RENDER2(XFillArcs, arcs, narcs); }
#define fillpolygon(w, points, npoints) \
{ STDLOCALS(w); RENDER4(XFillPolygon, points, npoints, Complex, CoordModeOrigin); }
/*
* "get" means remove them from the Icon list and put them on the ghost queue
*/
#define EVQUEGET(w,d) { \
int i;\
wsp ws = (w)->window; \
if (!c_get((struct b_list *)BlkLoc(ws->listp),&d)) fatalerr(0,NULL); \
if (Qual(d)) {\
ws->eventQueue[ws->eQfront++] = *StrLoc(d); \
if (ws->eQfront >= EQUEUELEN) ws->eQfront = 0; \
ws->eQback = ws->eQfront; \
} \
}
#define EVQUEEMPTY(w) (BlkLoc((w)->window->listp)->list.size == 0)
/*
* Colors. These are allocated within displays. Pointers
* into the display's color table are also kept on a per-window
* basis so that they may be (de)allocated when a window is cleared.
* Colors are aliased by r,g,b value. Allocations by name and r,g,b
* share when appropriate.
*
* Color (de)allocation comprises a simple majority of the space
* requirements of the current implementation. A monochrome-only
* version would take a lot less space.
*
* The name field is the string returned by WAttrib. For a mutable
* color this is of the form "-47" followed by a second C string
* containing the current color setting.
*/
typedef struct wcolor {
unsigned long c; /* X pixel value */
int refcount; /* reference count */
int type; /* SHARED or MUTABLE */
int next; /* next entry in hash chain */
unsigned short r, g, b; /* rgb for colorsearch */
char name[6+MAXCOLORNAME]; /* name for WAttrib & WColor reads */
} *wclrp;
/*
* macros performing row/column to pixel y,x translations
* computation is 1-based and depends on the current font's size.
* exception: XTOCOL as defined is 0-based, because that's what its
* clients seem to need.
*/
#define ROWTOY(w,row) ((row-1) * LEADING(w) + ASCENT(w))
#define COLTOX(w,col) ((col-1) * FWIDTH(w))
#define YTOROW(w,y) ((y>0) ? ((y) / LEADING(w) + 1) : ((y) / LEADING(w)))
#define XTOCOL(w,x) (!FWIDTH(w) ? (x) : ((x) / FWIDTH(w)))
#define STDLOCALS(w) \
wcp wc = (w)->context; \
wsp ws = (w)->window; \
wdp wd = ws->display; \
GC stdgc = wc->gc; \
Display *stddpy = wd->display; \
Window stdwin = ws->win; \
Pixmap stdpix = ws->pix;
#endif /* XWindows */
/**************************************** end ../h/xwin.h */
#endif /* XWindows */
#ifdef WinGraphics
/**************************************** from ../h/mswin.h: */
/*
* mswin.h - macros and types used in the MS Windows graphics interface.
*/
#define DRAWOP_AND R2_MASKPEN
#define DRAWOP_ANDINVERTED R2_MASKNOTPEN
#define DRAWOP_ANDREVERSE R2_NOTMASKPEN
#define DRAWOP_CLEAR R2_BLACK
#define DRAWOP_COPY R2_COPYPEN
#define DRAWOP_COPYINVERTED R2_NOTCOPYPEN
#define DRAWOP_EQUIV R2_NOTXORPEN
#define DRAWOP_INVERT R2_NOT
#define DRAWOP_NAND R2_MASKNOTPEN
#define DRAWOP_NOOP R2_NOP
#define DRAWOP_NOR R2_MERGENOTPEN
#define DRAWOP_OR R2_MERGEPEN
#define DRAWOP_ORINVERTED R2_MERGEPENNOT
#define DRAWOP_ORREVERSE R2_NOTMERGEPEN
#define DRAWOP_REVERSE R2_USER1
#define DRAWOP_SET R2_WHITE
#define DRAWOP_XOR R2_XORPEN
#define TEXTWIDTH(w,s,n) textWidth(w, s, n)
#define SCREENDEPTH(w) getdepth(w)
#define ASCENT(w) ((w)->context->font->ascent)
#define ASCENTC(wc) ((wc)->font->ascent)
#define DESCENT(w) ((w)->context->font->descent)
#define LEADING(w) ((w)->context->leading)
#define FHEIGHT(w) ((w)->context->font->height)
#define FHEIGHTC(wc) ((wc)->font->height)
#define FWIDTH(w) ((w)->context->font->charwidth)
#define FWIDTHC(wc) ((wc)->font->charwidth)
#define LINEWIDTH(w) ((w)->context->pen.lopnWidth.x)
#define DISPLAYHEIGHT(w) devicecaps(w, VERTRES)
#define DISPLAYWIDTH(w) devicecaps(w, HORZRES)
#define wsync(w) /* noop */
#define SysColor unsigned long
#define RED(x) GetRValue(x)
#define GREEN(x) GetGValue(x)
#define BLUE(x) GetBValue(x)
#define ARCWIDTH(arc) (arc).width
#define ARCHEIGHT(arc) (arc).height
/*
* These get fixed up in the window-system-specific code
*/
#define RECX(rec) (rec).left
#define RECY(rec) (rec).top
#define RECWIDTH(rec) (rec).right
#define RECHEIGHT(rec) (rec).bottom
/*
*
*/
#define ANGLE(ang) (ang)
#define EXTENT(ang) (ang)
#define FULLARC 2 * Pi
#define ISICONIC(w) (IsIconic((w)->window->iconwin))
#define ISFULLSCREEN(w) 0
#define ISROOTWIN(w) (0) 0
#define ISNORMALWINDOW(w) 0
#define ICONFILENAME(w) ""
#define ICONLABEL(w) ((w)->window->iconlabel)
#define WINDOWLABEL(w) ((w)->window->windowlabel)
#define MAXDESCENDER(w) DESCENT(w)
/*
* gemeotry bitmasks
*/
#define GEOM_WIDTH 1
#define GEOM_HEIGHT 2
#define GEOM_POSX 4
#define GEOM_POSY 8
/*
* fill styles
*/
#define FS_SOLID 1
#define FS_STIPPLE 2
#define FS_OPAQUESTIPPLE 4
/*
* the special ROP code for mode reverse
*/
#define R2_USER1 (R2_LAST << 1)
/*
* window states
*/
#define WS_NORMAL 0
#define WS_MIN 1
#define WS_MAX 2
/*
* input masks
*/
#define PointerMotionMask 1
/*
* something I think should be #defined
*/
#define EOS '\0'
/* size of the working buffer, used for dialog messages and such */
#define PMSTRBUFSIZE 2048
/*
* the bitmasks for the modifier keys
*/
#define ControlMask (1L << 16L)
#define Mod1Mask (2L << 16L)
#define ShiftMask (4L << 16L)
#define VirtKeyMask (8L << 16L)
/* some macros for Windows */
#define MAKERGB(r,g,b) RGB(r,g,b)
#define RGB16TO8(x) if ((x) > 0xff) (x) = (((x) >> 8) & 0xff)
#define hidecrsr(ws) if (ws->hasCaret) HideCaret(ws->iconwin)
#define showcrsr(ws) if (ws->hasCaret) ShowCaret(ws->iconwin)
#define FNTWIDTH(size) ((size) & 0xFFFF)
#define FNTHEIGHT(size) ((size) >> 16)
#define MAKEFNTSIZE(height, width) (((height) << 16) | (width))
#define WaitForEvent(msgnum, msgstruc) ObtainEvents(NULL, WAIT_EVT, msgnum, msgstruc)
/*
* "get" means remove them from the Icon list and put them on the ghost que
*/
#define EVQUEGET(ws,d) { \
int i;\
if (!c_get((struct b_list *)BlkLoc((ws)->listp),&d)) fatalerr(0,NULL); \
if (Qual(d)) {\
(ws)->eventQueue[(ws)->eQfront++] = *StrLoc(d); \
if ((ws)->eQfront >= EQUEUELEN) (ws)->eQfront = 0; \
(ws)->eQback = (ws)->eQfront; \
} \
}
#define EVQUEEMPTY(ws) (BlkLoc((ws)->listp)->list.size == 0)
#define SHARED 0
#define MUTABLE 1
#define MAXCOLORNAME 40
/*
* color structure, inspired by X code (xwin.h)
*/
typedef struct wcolor {
int refcount;
char name[6+MAXCOLORNAME]; /* name for WAttrib & WColor reads */
SysColor c;
int type; /* SHARED or MUTABLE */
} *wclrp;
/*
* we make the segment structure look like this so that we can
* cast it to POINTL structures that can be passed to GpiPolyLineDisjoint
*/
typedef struct {
LONG x1, y1;
LONG x2, y2;
} XSegment;
typedef POINT XPoint;
typedef RECT XRectangle;
typedef struct {
LONG x, y;
LONG width, height;
double angle1, angle2;
} XArc;
/*
* macros performing row/column to pixel y,x translations
* computation is 1-based and depends on the current font's size.
* exception: XTOCOL as defined is 0-based, because that's what its
* clients seem to need.
*/
#define ROWTOY(wb, row) ((row - 1) * LEADING(wb) + ASCENT(wb))
#define COLTOX(wb, col) ((col - 1) * FWIDTH(wb))
#define YTOROW(wb, y) (((y) - ASCENT(w)) / LEADING(wb) + 1)
#define XTOCOL(w,x) (!FWIDTH(w) ? (x) : ((x) / FWIDTH(w)))
/*
* system size values
*/
#define BORDERWIDTH (GetSystemMetrics(SM_CXBORDER)) /* 1 */
#define BORDERHEIGHT (GetSystemMetrics(SM_CYBORDER)) /* 1 */
#define TITLEHEIGHT (GetSystemMetrics(SM_CYCAPTION)) /* 20 */
#define FRAMEWIDTH (GetSystemMetrics(SM_CXFRAME)) /* 4 */
#define FRAMEHEIGHT (GetSystemMetrics(SM_CYFRAME)) /* 4 */
#define STDLOCALS(w) \
wcp wc = (w)->context;\
wsp ws = (w)->window;\
HWND stdwin = ws->win;\
HBITMAP stdpix = ws->pix;\
HDC stddc = CreateWinDC(w);\
HDC pixdc = CreatePixDC(w, stddc);
#define STDFONT \
{ if(stdwin)SelectObject(stddc, wc->font->font); SelectObject(pixdc,wc->font->font); }
#define FREE_STDLOCALS(w) do { SelectObject(pixdc, (w)->window->theOldPix); ReleaseDC((w)->window->iconwin, stddc); DeleteDC(pixdc); } while (0)
#define MAXXOBJS 8
#define GammaCorrection 1.0
/**************************************** end ../h/mswin.h */
#endif /* WinGraphics */
#ifndef MAXXOBJS
#define MAXXOBJS 256
#endif /* MAXXOBJS */
#ifndef MAXCOLORNAME
#define MAXCOLORNAME 40
#endif /* MAXCOLORNAME */
#ifndef MAXFONTWORD
#define MAXFONTWORD 40
#endif /* MAXFONTWORD */
#define POLLSLEEP 20 /* milliseconds sleep while awaiting event */
#define DEFAULTFONTSIZE 14
#define FONTATT_SPACING 0x01000000
#define FONTFLAG_MONO 0x00000001
#define FONTFLAG_PROPORTIONAL 0x00000002
#define FONTATT_SERIF 0x02000000
#define FONTFLAG_SANS 0x00000004
#define FONTFLAG_SERIF 0x00000008
#define FONTATT_SLANT 0x04000000
#define FONTFLAG_ROMAN 0x00000010
#define FONTFLAG_ITALIC 0x00000020
#define FONTFLAG_OBLIQUE 0x00000040
#define FONTATT_WEIGHT 0x08000000
#define FONTFLAG_LIGHT 0x00000100
#define FONTFLAG_MEDIUM 0x00000200
#define FONTFLAG_DEMI 0x00000400
#define FONTFLAG_BOLD 0x00000800
#define FONTATT_WIDTH 0x10000000
#define FONTFLAG_CONDENSED 0x00001000
#define FONTFLAG_NARROW 0x00002000
#define FONTFLAG_NORMAL 0x00004000
#define FONTFLAG_WIDE 0x00008000
#define FONTFLAG_EXTENDED 0x00010000
/*
* EVENT HANDLING
*
* Each window keeps an associated queue of events waiting to be
* processed. The queue consists of <eventcode,x,y> triples,
* where eventcodes are strings for normal keyboard events, and
* integers for mouse and special keystroke events.
*
* The main queue is an icon list. In addition, there is a queue of
* old keystrokes maintained for cooked mode operations, maintained
* in a little circular array of chars.
*/
#define EQ_MOD_CONTROL (1L<<16L)
#define EQ_MOD_META (1L<<17L)
#define EQ_MOD_SHIFT (1L<<18L)
#define EVQUESUB(w,i) *evquesub(w,i)
#define EQUEUELEN 256
/*
* mode bits for the Icon window context (as opposed to X context)
*/
#define ISINITIAL(w) ((w)->window->bits & 1)
#define ISINITIALW(ws) ((ws)->bits & 1)
#define ISCURSORON(w) ((w)->window->bits & 2)
#define ISCURSORONW(ws) ((ws->bits) & 2)
#define ISMAPPED(w) ((w)->window->bits & 4)
#define ISREVERSE(w) ((w)->context->bits & 8)
#define ISXORREVERSE(w) ((w)->context->bits & 16)
#define ISXORREVERSEW(w) ((w)->bits & 16)
#define ISCLOSED(w) ((w)->window->bits & 64)
#define ISRESIZABLE(w) ((w)->window->bits & 128)
#define ISEXPOSED(w) ((w)->window->bits & 256)
#define ISCEOLON(w) ((w)->window->bits & 512)
#define ISECHOON(w) ((w)->window->bits & 1024)
#define SETCURSORON(w) ((w)->window->bits |= 2)
/* 4 is available */
#define SETMAPPED(w) ((w)->window->bits |= 4)
#define SETREVERSE(w) ((w)->context->bits |= 8)
#define SETXORREVERSE(w) ((w)->context->bits |= 16)
#define SETCLOSED(w) ((w)->window->bits |= 64)
#define SETRESIZABLE(w) ((w)->window->bits |= 128)
#define SETEXPOSED(w) ((w)->window->bits |= 256)
#define SETCEOLON(w) ((w)->window->bits |= 512)
#define SETECHOON(w) ((w)->window->bits |= 1024)
#define CLRCURSORON(w) ((w)->window->bits &= ~2)
#define CLRMAPPED(w) ((w)->window->bits &= ~4)
#define CLRREVERSE(w) ((w)->context->bits &= ~8)
#define CLRXORREVERSE(w) ((w)->context->bits &= ~16)
#define CLRCLOSED(w) ((w)->window->bits &= ~64)
#define CLRRESIZABLE(w) ((w)->window->bits &= ~128)
#define CLREXPOSED(w) ((w)->window->bits &= ~256)
#define CLRCEOLON(w) ((w)->window->bits &= ~512)
#define CLRECHOON(w) ((w)->window->bits &= ~1024)
#ifdef XWindows
#define ISZOMBIE(w) ((w)->window->bits & 1)
#define SETZOMBIE(w) ((w)->window->bits |= 1)
#define CLRZOMBIE(w) ((w)->window->bits &= ~1)
#endif /* XWindows */
#ifdef WinGraphics
#define ISTOBEHIDDEN(ws) ((ws)->bits & 4096)
#define SETTOBEHIDDEN(ws) ((ws)->bits |= 4096)
#define CLRTOBEHIDDEN(ws) ((ws)->bits &= ~4096)
#endif /* WinGraphics */
/*
* Window Resources
* Icon "Resources" are a layer on top of the window system resources,
* provided in order to facilitate resource sharing and minimize the
* number of calls to the window system. Resources are reference counted.
* These data structures are simple sets of pointers
* into internal window system structures.
*/
/*
* Fonts are allocated within displays.
*/
typedef struct _wfont {
int refcount;
int serial; /* serial # */
struct _wfont *previous, *next;
char *name; /* name for WAttrib and fontsearch */
#ifdef XWindows
int height; /* font height */
XFontStruct *fsp; /* X font pointer */
#endif /* XWindows */
#ifdef WinGraphics
HFONT font;
LONG ascent;
LONG descent;
LONG charwidth;
LONG height;
#endif /* WinGraphics */
} wfont, *wfp;
/*
* These structures and definitions are used for colors and images.
*/
typedef struct {
long red, green, blue; /* color components, linear 0 - 65535*/
} LinearColor;
struct palentry { /* entry for one palette member */
LinearColor clr; /* RGB value of color */
char used; /* nonzero if char is used */
char valid; /* nonzero if entry is valid & opaque */
char transpt; /* nonzero if char is transparent */
};
struct imgdata { /* image loaded from a file */
int width, height; /* image dimensions */
struct palentry *paltbl; /* pointer to palette table */
unsigned char *data; /* pointer to image data */
};
struct imgmem {
int x, y, width, height;
#ifdef XWindows
XImage *im;
#endif /* XWindows */
#ifdef WinGraphics
COLORREF *crp;
#endif /* WinGraphics */
};
#define TCH1 '~' /* usual transparent character */
#define TCH2 0377 /* alternate transparent character */
#define PCH1 ' ' /* punctuation character */
#define PCH2 ',' /* punctuation character */
#define GIFMAX 256 /* maximum colors in a GIF file */
#ifdef XWindows
/*
* Displays are maintained in a global list in rwinrsc.r.
*/
typedef struct _wdisplay {
int refcount;
int serial; /* serial # */
char name[MAXDISPLAYNAME];
Display * display;
Visual * visual;
GC icongc;
Colormap cmap;
double gamma;
int screen;
int numFonts;
wfp fonts;
int numColors; /* number of allocated color structs */
int cpSize; /* max number of slots before realloc */
struct wcolor **colrptrs; /* array of pointers to those colors */
Cursor cursors[NUMCURSORSYMS];
struct _wdisplay *previous, *next;
} *wdp;
#endif /* XWindows */
/*
* "Context" comprises the graphics context, and the font (i.e. text context).
* Foreground and background colors (pointers into the display color table)
* are stored here to reduce the number of window system queries.
* Contexts are allocated out of a global array in rwinrsrc.c.
*/
typedef struct _wcontext {
int refcount;
int serial; /* serial # */
struct _wcontext *previous, *next;
int clipx, clipy, clipw, cliph;
char *patternname;
wfp font;
int dx, dy;
int fillstyle;
int drawop;
double gamma; /* gamma correction value */
int bits; /* context bits */
#ifdef XWindows
wdp display;
GC gc; /* X graphics context */
wclrp fg, bg;
int linestyle;
int linewidth;
int leading; /* inter-line leading */
#endif /* XWindows */
#ifdef WinGraphics
LOGPEN pen;
LOGPEN bgpen;
LOGBRUSH brush;
LOGBRUSH bgbrush;
HRGN cliprgn;
HBITMAP pattern;
SysColor fg, bg;
char *fgname, *bgname;
int leading, bkmode;
#endif /* WinGraphics*/
} wcontext, *wcp;
/*
* Native facilities include the following child controls (windows) that
* persist on the canvas and intercept various events.
*/
#ifdef WinGraphics
#define CHILD_BUTTON 0
#define CHILD_SCROLLBAR 1
#define CHILD_EDIT 2
typedef struct childcontrol {
int type; /* what kind of control? */
HWND win; /* child window handle */
HFONT font;
char *id; /* child window string id */
} childcontrol;
#endif /* WinGraphics */
/*
* "Window state" includes the actual X window and references to a large
* number of resources allocated on a per-window basis. Windows are
* allocated out of a global array in rwinrsrc.c. Windows remember the
* first WMAXCOLORS colors they allocate, and deallocate them on clearscreen.
*/
typedef struct _wstate {
int refcount; /* reference count */
int serial; /* serial # */
struct _wstate *previous, *next;
int pixheight; /* backing pixmap height, in pixels */
int pixwidth; /* pixmap width, in pixels */
char *windowlabel; /* window label */
char *iconimage; /* icon pixmap file name */
char *iconlabel; /* icon label */
struct imgdata initimage; /* initial image data */
struct imgdata initicon; /* initial icon image data */
int y, x; /* current cursor location, in pixels*/
int pointery, pointerx; /* current mouse location, in pixels */
int posy, posx; /* desired upper lefthand corner */
unsigned int height; /* window height, in pixels */
unsigned int width; /* window width, in pixels */
int bits; /* window bits */
int theCursor; /* index into cursor table */
word timestamp; /* last event time stamp */
char eventQueue[EQUEUELEN]; /* queue of cooked-mode keystrokes */
int eQfront, eQback;
char *cursorname;
struct descrip filep, listp; /* icon values for this window */
#ifdef XWindows
wdp display;
Window win; /* X window */
Pixmap pix; /* current screen state */
Pixmap initialPix; /* an initial image to display */
Window iconwin; /* icon window */
Pixmap iconpix; /* icon pixmap */
int normalx, normaly; /* pos to remember when maximized */
int normalw, normalh; /* size to remember when maximized */
int numColors; /* allocated color info */
short *theColors; /* indices into display color table */
int numiColors; /* allocated color info for the icon */
short *iconColors; /* indices into display color table */
int iconic; /* window state; icon, window or root*/
int iconx, icony; /* location of icon */
unsigned int iconw, iconh; /* width and height of icon */
long wmhintflags; /* window manager hints */
#endif /* XWindows */
#ifdef WinGraphics
HWND win; /* client window */
HWND iconwin; /* client window when iconic */
HBITMAP pix; /* backing bitmap */
HBITMAP iconpix; /* backing bitmap */
HBITMAP initialPix; /* backing bitmap */
HBITMAP theOldPix;
int hasCaret;
HCURSOR curcursor;
HCURSOR savedcursor;
HMENU menuBar;
int nmMapElems;
char ** menuMap;
HWND focusChild;
int nChildren;
childcontrol *child;
#endif /* WinGraphics */
} wstate, *wsp;
/*
* Icon window file variables are actually pointers to "bindings"
* of a window and a context. They are allocated out of a global
* array in rwinrsrc.c. There is one binding per Icon window value.
*/
typedef struct _wbinding {
int refcount;
int serial;
struct _wbinding *previous, *next;
wcp context;
wsp window;
} wbinding, *wbp;
/*
* Table entry for string <-> integer mapping.
*/
typedef struct {
char *s;
int i;
} stringint, *siptr;
/*
* Gamma Correction value to compensate for nonlinear monitor color response
*/
#ifndef GammaCorrection
#define GammaCorrection 2.5
#endif /* GammaCorrection */
/*
* Attributes
*/
#define A_ASCENT 1
#define A_BG 2
#define A_CANVAS 3
#define A_CEOL 4
#define A_CLIPH 5
#define A_CLIPW 6
#define A_CLIPX 7
#define A_CLIPY 8
#define A_COL 9
#define A_COLUMNS 10
#define A_CURSOR 11
#define A_DEPTH 12
#define A_DESCENT 13
#define A_DISPLAY 14
#define A_DISPLAYHEIGHT 15
#define A_DISPLAYWIDTH 16
#define A_DRAWOP 17
#define A_DX 18
#define A_DY 19
#define A_ECHO 20
#define A_FG 21
#define A_FHEIGHT 22
#define A_FILLSTYLE 23
#define A_FONT 24
#define A_FWIDTH 25
#define A_GAMMA 26
#define A_GEOMETRY 27
#define A_HEIGHT 28
#define A_ICONIC 29
#define A_ICONIMAGE 30
#define A_ICONLABEL 31
#define A_ICONPOS 32
#define A_IMAGE 33
#define A_LABEL 34
#define A_LEADING 35
#define A_LINES 36
#define A_LINESTYLE 37
#define A_LINEWIDTH 38
#define A_PATTERN 39
#define A_POINTERCOL 40
#define A_POINTERROW 41
#define A_POINTERX 42
#define A_POINTERY 43
#define A_POINTER 44
#define A_POS 45
#define A_POSX 46
#define A_POSY 47
#define A_RESIZE 48
#define A_REVERSE 49
#define A_ROW 50
#define A_ROWS 51
#define A_SIZE 52
#define A_VISUAL 53
#define A_WIDTH 54
#define A_WINDOWLABEL 55
#define A_X 56
#define A_Y 57
#define NUMATTRIBS 57
/*
* flags for ConsoleFlags
*/
/* I/O redirection flags */
#define StdOutRedirect 1
#define StdErrRedirect 2
#define StdInRedirect 4
#define OutputToBuf 8
/**************************************** end ../h/graphics.h */
#endif /* Graphics */
/**************************************** from ../h/rexterns.h: */
/*
* External declarations for the run-time system.
*/
/*
* External declarations common to the compiler and interpreter.
*/
extern struct b_proc *op_tbl; /* operators available for string invocation */
extern int op_tbl_sz; /* number of operators in op_tbl */
extern int debug_info; /* flag: debugging information is available */
extern int err_conv; /* flag: error conversion is supported */
extern int dodump; /* termination dump */
extern int line_info; /* flag: line information is available */
extern char *file_name; /* source file for current execution point */
extern int line_num; /* line number for current execution point */
extern unsigned char allchars[];/* array for making one-character strings */
extern char *blkname[]; /* print names for block types. */
extern char *currend; /* current end of memory region */
extern dptr *quallist; /* start of qualifier list */
extern int bsizes[]; /* sizes of blocks */
extern int firstd[]; /* offset (words) of first descrip. */
extern uword segsize[]; /* size of hash bucket segment */
extern int k_level; /* value of &level */
extern struct b_coexpr *stklist;/* base of co-expression stack list */
extern struct b_cset blankcs; /* ' ' */
extern struct b_cset lparcs; /* '(' */
extern struct b_cset rparcs; /* ')' */
extern struct b_cset fullcs; /* cset containing all characters */
extern struct descrip blank; /* blank */
extern struct descrip emptystr; /* empty string */
extern struct descrip kywd_dmp; /* descriptor for &dump */
extern struct descrip nullptr; /* descriptor with null block pointer */
extern struct descrip lcase; /* lowercase string */
extern struct descrip letr; /* letter "r" */
extern struct descrip maps2; /* second argument to map() */
extern struct descrip maps3; /* third argument to map() */
extern struct descrip nulldesc; /* null value */
extern struct descrip onedesc; /* one */
extern struct descrip ucase; /* uppercase string */
extern struct descrip zerodesc; /* zero */
extern word mstksize; /* size of main stack in words */
extern word stksize; /* size of co-expression stacks in words */
extern word qualsize; /* size of string qualifier list */
extern word memcushion; /* memory region cushion factor */
extern word memgrowth; /* memory region growth factor */
extern uword stattotal; /* cumulative total of all static allocations */
/* N.B. not currently set */
extern struct tend_desc *tend; /* chain of tended descriptors */
/*
* Externals that are conditional on features.
*/
#ifdef FncTrace
extern struct descrip kywd_ftrc; /* descriptor for &ftrace */
#endif /* FncTrace */
#ifdef Polling
extern int pollctr;
#endif /* Polling */
#ifdef EventMon
extern char typech[];
extern word oldsum;
extern struct descrip csetdesc; /* cset descriptor */
extern struct descrip eventdesc; /* event descriptor */
extern struct b_iproc mt_llist;
extern struct descrip rzerodesc; /* real descriptor */
extern struct b_real realzero; /* real zero block */
#endif /* EventMon */
/*
* Externals conditional on multithreading.
*/
extern struct region rootstring;
extern struct region rootblock;
#ifndef MultiThread
extern dptr glbl_argp; /* argument pointer */
extern struct region *curstring;
extern struct region *curblock;
extern struct descrip k_current; /* ¤t */
extern char *k_errortext; /* value of &errortext */
extern int have_errval; /* &errorvalue has a legal value */
extern int k_errornumber; /* value of &errornumber */
extern int t_errornumber; /* tentative k_errornumber value */
extern int t_have_val; /* tentative have_errval flag */
extern struct b_file k_errout; /* value of &errout */
extern struct b_file k_input; /* value of &input */
extern struct b_file k_output; /* value of &output */
extern struct descrip k_errorvalue; /* value of &errorvalue */
extern struct descrip kywd_err; /* &error */
extern struct descrip kywd_pos; /* descriptor for &pos */
extern struct descrip kywd_prog; /* descriptor for &prog */
extern struct descrip kywd_ran; /* descriptor for &random */
extern struct descrip k_subject; /* &subject */
extern struct descrip kywd_trc; /* descriptor for &trace */
extern struct descrip k_eventcode; /* &eventcode */
extern struct descrip k_eventsource; /* &eventsource */
extern struct descrip k_eventvalue; /* &eventvalue */
extern struct descrip k_main; /* value of &main */
extern struct descrip t_errorvalue; /* tentative k_errorvalue value */
extern uword blktotal; /* cumul total of all block allocs */
extern uword strtotal; /* cumul total of all string allocs */
extern word coll_tot; /* total number of collections */
extern word coll_stat; /* collections from static reqests */
extern word coll_str; /* collections from string requests */
extern word coll_blk; /* collections from block requests */
extern dptr globals; /* start of global variables */
extern dptr eglobals; /* end of global variables */
extern dptr gnames; /* start of global variable names */
extern dptr egnames; /* end of global variable names */
extern dptr estatics; /* end of static variables */
extern int n_globals; /* number of global variables */
extern int n_statics; /* number of static variables */
extern struct b_coexpr *mainhead; /* &main */
#endif /* MultiThread */
/*
* Externals that differ between compiler and interpreter.
*/
#if !COMPILER
/*
* External declarations for the interpreter.
*/
extern int ixinited; /* iconx has initialized */
extern inst ipc; /* interpreter program counter */
extern int ilevel; /* interpreter level */
extern int ntended; /* number of active tended descriptors*/
extern struct b_cset k_ascii; /* value of &ascii */
extern struct b_cset k_cset; /* value of &cset */
extern struct b_cset k_digits; /* value of &lcase */
extern struct b_cset k_lcase; /* value of &lcase */
extern struct b_cset k_letters; /* value of &letters */
extern struct b_cset k_ucase; /* value of &ucase */
extern struct descrip tended[]; /* tended descriptors */
extern struct ef_marker *efp; /* expression frame pointer */
extern struct gf_marker *gfp; /* generator frame pointer */
extern struct pf_marker *pfp; /* procedure frame pointer */
extern word *sp; /* interpreter stack pointer */
extern word *stack; /* interpreter stack base */
extern word *stackend; /* end of evaluation stack */
extern struct pstrnm pntab[];
extern int pnsize;
#ifdef MultiThread
extern struct progstate *curpstate;
extern struct progstate rootpstate;
extern int noMTevents; /* no MT events during GC */
#else /* MultiThread */
extern char *code; /* start of icode */
extern char *ecode; /* end of icode */
extern dptr statics; /* start of static variables */
extern char *strcons; /* start of the string constants */
extern dptr fnames; /* field names */
extern dptr efnames; /* end of field names */
extern word *records;
extern int *ftabp; /* field table pointer */
#ifdef FieldTableCompression
extern word ftabwidth, foffwidth;
extern unsigned char *ftabcp;
extern short *ftabsp;
#endif /* FieldTableCompression */
extern dptr xargp;
extern word xnargs;
extern word lastop;
#endif /* MultiThread */
#else /* COMPILER */
extern struct descrip statics[]; /* array of static variables */
extern struct b_proc *builtins[]; /* pointers to builtin functions */
extern int noerrbuf; /* error buffering */
extern struct p_frame *pfp; /* procedure frame pointer */
extern struct descrip trashcan; /* dummy descriptor, never read */
extern int largeints; /* flag: large integers supported */
#endif /* COMPILER */
/*
* graphics
*/
#ifdef Graphics
extern stringint attribs[], drawops[];
extern wbp wbndngs;
extern wcp wcntxts;
extern wsp wstates;
extern int GraphicsLeft, GraphicsUp, GraphicsRight, GraphicsDown;
extern int GraphicsHome, GraphicsPrior, GraphicsNext, GraphicsEnd;
extern int win_highwater, canvas_serial, context_serial;
extern clock_t starttime; /* start time in milliseconds */
#ifndef MultiThread
extern struct descrip kywd_xwin[];
extern struct descrip lastEventWin;
extern int lastEvFWidth, lastEvLeading, lastEvAscent;
extern struct descrip amperCol;
extern struct descrip amperRow;
extern struct descrip amperX;
extern struct descrip amperY;
extern struct descrip amperInterval;
extern uword xmod_control, xmod_shift, xmod_meta;
#endif /* MultiThread */
#ifdef XWindows
extern struct _wdisplay * wdsplys;
extern stringint cursorsyms[];
#endif /* XWindows */
#ifdef WinGraphics
extern HINSTANCE mswinInstance;
extern int ncmdShow;
#endif /* WinGraphics */
#endif /* Graphics */
/**************************************** end ../h/rexterns.h */
/**************************************** from ../h/rproto.h: */
/*
* Prototypes for run-time functions.
*/
/*
* Prototypes common to the compiler and interpreter.
*/
void EVInit (void);
int activate (dptr val, struct b_coexpr *ncp, dptr result);
word add (word a,word b);
void addmem (struct b_set *ps, struct b_selem *pe, union block **pl);
struct astkblk *alcactiv (void);
struct b_cset *alccset (void);
struct b_file *alcfile (FILE *fd,int status,dptr name);
union block *alchash (int tcode);
struct b_list *alclist (uword size);
struct b_lelem *alclstb (uword nslots,uword first,uword nused);
struct b_real *alcreal (double val);
struct b_slots *alcsegment (word nslots);
struct b_selem *alcselem (dptr mbr,uword hn);
char *alcstr (char *s,word slen);
struct b_telem *alctelem (void);
struct b_tvtbl *alctvtbl (dptr tbl,dptr ref,uword hashnum);
int anycmp (dptr dp1,dptr dp2);
int bfunc (void);
struct b_proc *bi_strprc (dptr s, C_integer arity);
void c_exit (int i);
int c_get (struct b_list *hp, struct descrip *res);
void c_put (struct descrip *l, struct descrip *val);
int cnv_c_dbl (dptr s, double *d);
int cnv_c_int (dptr s, C_integer *d);
int cnv_c_str (dptr s, dptr d);
int cnv_cset (dptr s, dptr d);
int cnv_ec_int (dptr s, C_integer *d);
int cnv_eint (dptr s, dptr d);
int cnv_int (dptr s, dptr d);
int cnv_real (dptr s, dptr d);
int cnv_str (dptr s, dptr d);
int cnv_tcset (struct b_cset *cbuf, dptr s, dptr d);
int cnv_tstr (char *sbuf, dptr s, dptr d);
int co_chng (struct b_coexpr *ncp, struct descrip *valloc,
struct descrip *rsltloc,
int swtch_typ, int first);
void co_init (struct b_coexpr *sblkp);
void coclean (word *old);
void coacttrace (struct b_coexpr *ccp,struct b_coexpr *ncp);
void cofailtrace (struct b_coexpr *ccp,struct b_coexpr *ncp);
void corettrace (struct b_coexpr *ccp,struct b_coexpr *ncp);
int coswitch (word *old, word *new, int first);
int cplist (dptr dp1,dptr dp2,word i,word j);
int cpset (dptr dp1,dptr dp2,word size);
void cpslots (dptr dp1,dptr slotptr,word i, word j);
int csetcmp (unsigned int *cs1,unsigned int *cs2);
int cssize (dptr dp);
word cvpos (long pos,long len);
void datainit (void);
void deallocate (union block *bp);
int def_c_dbl (dptr s, double df, double * d);
int def_c_int (dptr s, C_integer df, C_integer * d);
int def_c_str (dptr s, char * df, dptr d);
int def_cset (dptr s, struct b_cset * df, dptr d);
int def_ec_int (dptr s, C_integer df, C_integer * d);
int def_eint (dptr s, C_integer df, dptr d);
int def_int (dptr s, C_integer df, dptr d);
int def_real (dptr s, double df, dptr d);
int def_str (dptr s, dptr df, dptr d);
int def_tcset (struct b_cset *cbuf,dptr s,struct b_cset *df,dptr d);
int def_tstr (char *sbuf, dptr s, dptr df, dptr d);
word div3 (word a,word b);
int doasgn (dptr dp1,dptr dp2);
int doimage (int c,int q);
int dp_pnmcmp (struct pstrnm *pne,dptr dp);
void drunerr (int n, double v);
void dumpact (struct b_coexpr *ce);
void env_int (char *name,word *variable,int non_neg, uword limit);
int equiv (dptr dp1,dptr dp2);
int err (void);
void err_msg (int n, dptr v);
void error (char *s1, char *s2);
void fatalerr (int n,dptr v);
int findcol (word *ipc);
char *findfile (word *ipc);
int findipc (int line);
int findline (word *ipc);
int findloc (word *ipc);
void fpetrap (int);
int getvar (char *s,dptr vp);
uword hash (dptr dp);
union block **hchain (union block *pb,uword hn);
union block *hgfirst (union block *bp, struct hgstate *state);
union block *hgnext (union block*b,struct hgstate*s,union block *e);
union block *hmake (int tcode,word nslots,word nelem);
void icon_init (char *name, int *argcp, char *argv[]);
void iconhost (char *hostname);
int idelay (int n);
int interp (int fsig,dptr cargp);
void irunerr (int n, C_integer v);
int lexcmp (dptr dp1,dptr dp2);
word longread (char *s,int width,long len,FILE *fname);
union block **memb (union block *pb,dptr x,uword hn, int *res);
void mksubs (dptr var,dptr val,word i,word j, dptr result);
word mod3 (word a,word b);
word mul (word a,word b);
word neg (word a);
void new_context (int fsig, dptr cargp); /* w/o Coexpr: a stub */
int numcmp (dptr dp1,dptr dp2,dptr dp3);
void outimage (FILE *f,dptr dp,int noimage);
struct b_coexpr *popact (struct b_coexpr *ce);
word prescan (dptr d);
int pstrnmcmp (struct pstrnm *a,struct pstrnm *b);
int pushact (struct b_coexpr *ce, struct b_coexpr *actvtr);
int putstr (FILE *f,dptr d);
char *qsearch (char *key, char *base, int nel, int width,
int (*cmp)());
int qtos (dptr dp,char *sbuf);
int radix (int sign, register int r, register char *s,
register char *end_s, union numeric *result);
char *reserve (int region, word nbytes);
void retderef (dptr valp, word *low, word *high);
void segvtrap (int);
void stkdump (int);
word sub (word a,word b);
void syserr (char *s);
struct b_coexpr *topact (struct b_coexpr *ce);
void xmfree (void);
#ifdef MultiThread
void resolve (struct progstate *pstate);
struct b_coexpr *loadicode (char *name, struct b_file *theInput,
struct b_file *theOutput, struct b_file *theError,
C_integer bs, C_integer ss, C_integer stk);
void actparent (int eventcode);
int mt_activate (dptr tvalp, dptr rslt, struct b_coexpr *ncp);
#else /* MultiThread */
void resolve (void);
#endif /* MultiThread */
#ifdef EventMon
void EVAsgn (dptr dx);
#endif /* EventMon */
#ifdef ExternalFunctions
dptr extcall (dptr x, int nargs, int *signal);
#endif /* ExternalFunctions */
#ifdef LargeInts
struct b_bignum *alcbignum (word n);
word bigradix (int sign, int r, char *s, char *x,
union numeric *result);
double bigtoreal (dptr da);
int realtobig (dptr da, dptr dx);
int bigtos (dptr da, dptr dx);
void bigprint (FILE *f, dptr da);
int cpbignum (dptr da, dptr db);
int bigadd (dptr da, dptr db, dptr dx);
int bigsub (dptr da, dptr db, dptr dx);
int bigmul (dptr da, dptr db, dptr dx);
int bigdiv (dptr da, dptr db, dptr dx);
int bigmod (dptr da, dptr db, dptr dx);
int bigneg (dptr da, dptr dx);
int bigpow (dptr da, dptr db, dptr dx);
int bigpowri (double a, dptr db, dptr drslt);
int bigand (dptr da, dptr db, dptr dx);
int bigor (dptr da, dptr db, dptr dx);
int bigxor (dptr da, dptr db, dptr dx);
int bigshift (dptr da, dptr db, dptr dx);
word bigcmp (dptr da, dptr db);
int bigrand (dptr da, dptr dx);
#endif /* LargeInts */
#ifdef FAttrib
char *make_mode(mode_t st_mode);
#endif /* FAttrib */
#ifdef Graphics
/*
* portable graphics routines in rwindow.r and rwinrsc.r
*/
wcp alc_context (wbp w);
wbp alc_wbinding (void);
wsp alc_winstate (void);
int atobool (char *s);
void c_push (dptr l,dptr val); /* in fstruct.r */
int docircles (wbp w, int argc, dptr argv, int fill);
void drawCurve (wbp w, XPoint *p, int n);
char *evquesub (wbp w, int i);
void genCurve (wbp w, XPoint *p, int n, void (*h)());
wsp getactivewindow (void);
int getpattern (wbp w, char *answer);
struct palentry *palsetup(int p);
int palnum (dptr d);
int parsecolor (wbp w, char *s, long *r, long *g, long *b);
int parsefont (char *s, char *fam, int *sty, int *sz);
int parsegeometry (char *buf, SHORT *x, SHORT *y, SHORT *w, SHORT *h);
int parsepattern (char *s, int len, int *w, int *nbits, C_integer *bits);
void qevent (wsp ws, dptr e, int x, int y, uword t, long f);
int readGIF (char *fname, int p, struct imgdata *d);
int rectargs (wbp w, int argc, dptr argv, int i,
word *px, word *py, word *pw, word *ph);
char *rgbkey (int p, double r, double g, double b);
int setsize (wbp w, char *s);
char *si_i2s (siptr sip, int i);
int si_s2i (siptr sip, char *s);
int ulcmp (pointer p1, pointer p2);
int wattrib (wbp w, char *s, long len, dptr answer, char *abuf);
int wgetche (wbp w, dptr res);
int wgetchne (wbp w, dptr res);
int wgetevent (wbp w, dptr res);
int wgetstrg (char *s, long maxlen, FILE *f);
void wgoto (wbp w, int row, int col);
int wlongread (char *s, int elsize, int nelem, FILE *f);
void wputstr (wbp w, char *s, int len);
int writeGIF (wbp w, char *filename,
int x, int y, int width, int height);
int xyrowcol (dptr dx);
/*
* graphics implementation routines supplied for each platform
* (excluding those defined as macros for X-windows)
*/
int SetPattern (wbp w, char *name, int len);
int SetPatternBits (wbp w, int width, C_integer *bits, int nbits);
int allowresize (wbp w, int on);
int blimage (wbp w, int x, int y, int wd, int h,
int ch, unsigned char *s, word len);
int capture (wbp w, int x, int y, int width, int hgt, short *data);
wcp clone_context (wbp w);
int copyArea (wbp w,wbp w2,int x,int y,int wd,int h,int x2,int y2);
int do_config (wbp w, int status);
int dumpimage (wbp w, char *filename, unsigned int x, unsigned int y,
unsigned int width, unsigned int height);
void eraseArea (wbp w, int x, int y, int width, int height);
void fillrectangles (wbp w, XRectangle *recs, int nrecs);
void free_binding (wbp w);
void free_context (wcp wc);
void free_mutable (wbp w, int mute_index);
int free_window (wsp ws);
void freecolor (wbp w, char *s);
char *get_mutable_name (wbp w, int mute_index);
void getbg (wbp w, char *answer);
void getcanvas (wbp w, char *s);
int getdefault (wbp w, char *prog, char *opt, char *answer);
void getdisplay (wbp w, char *answer);
void getdrawop (wbp w, char *answer);
void getfg (wbp w, char *answer);
void getfntnam (wbp w, char *answer);
void geticonic (wbp w, char *answer);
int geticonpos (wbp w, char *s);
void getlinestyle (wbp w, char *answer);
int getpixel_init (wbp w, struct imgmem *imem);
int getpixel_term (wbp w, struct imgmem *imem);
int getpixel (wbp w,int x,int y,long *rv,char *s,struct imgmem *im);
void getpointername (wbp w, char *answer);
int getpos (wbp w);
int getvisual (wbp w, char *answer);
int isetbg (wbp w, int bg);
int isetfg (wbp w, int fg);
int lowerWindow (wbp w);
int mutable_color (wbp w, dptr argv, int ac, int *retval);
int nativecolor (wbp w, char *s, long *r, long *g, long *b);
int pollevent (void);
void wflush (wbp w);
int query_pointer (wbp w, XPoint *pp);
int query_rootpointer (XPoint *pp);
int raiseWindow (wbp w);
int readimage (wbp w, char *filename, int x, int y, int *status);
int rebind (wbp w, wbp w2);
int set_mutable (wbp w, int i, char *s);
int setbg (wbp w, char *s);
int setcanvas (wbp w, char *s);
void setclip (wbp w);
int setcursor (wbp w, int on);
int setdisplay (wbp w, char *s);
int setdrawop (wbp w, char *val);
int setfg (wbp w, char *s);
int setfillstyle (wbp w, char *s);
int setfont (wbp w, char **s);
int setgamma (wbp w, double gamma);
int setgeometry (wbp w, char *geo);
int setheight (wbp w, SHORT new_height);
int seticonicstate (wbp w, char *s);
int seticonlabel (wbp w, char *val);
int seticonpos (wbp w, char *s);
int setimage (wbp w, char *val);
int setleading (wbp w, int i);
int setlinestyle (wbp w, char *s);
int setlinewidth (wbp w, LONG linewid);
int setpointer (wbp w, char *val);
int setwidth (wbp w, SHORT new_width);
int setwindowlabel (wbp w, char *val);
int strimage (wbp w, int x, int y, int width, int height,
struct palentry *e, unsigned char *s,
word len, int on_icon);
void toggle_fgbg (wbp w);
int walert (wbp w, int volume);
void warpPointer (wbp w, int x, int y);
int wclose (wbp w);
void wflush (wbp w);
int wgetq (wbp w, dptr res);
FILE *wopen (char *nm, struct b_list *hp, dptr attr, int n, int *e);
int wputc (int ci, wbp w);
#ifndef wsync
void wsync (wbp w);
#endif /* wsync */
void xdis (wbp w, char *s, int n);
#ifdef XWindows
/*
* Implementation routines specific to X-Windows
*/
void unsetclip (wbp w);
int moveResizeWindow (wbp w, int x, int y, int wd, int h);
int resetfg (wbp w);
int setfgrgb (wbp w, int r, int g, int b);
int setbgrgb (wbp w, int r, int g, int b);
XColor xcolor (wbp w, LinearColor clr);
LinearColor lcolor (wbp w, XColor color);
int pixmap_open (wbp w, dptr attribs, int argc);
int pixmap_init (wbp w);
int remap (wbp w, int x, int y);
int seticonimage (wbp w, dptr dp);
int translate_key_event (XKeyEvent *k1, char *s, KeySym *k2);
wdp alc_display (char *s);
void free_display (wdp wd);
wfp alc_font (wbp w, char **s);
wfp tryfont (wbp w, char *s);
wclrp alc_rgb (wbp w, char *s, unsigned int r,
unsigned int g, unsigned int b,
int is_iconcolor);
int alc_centry (wdp wd);
wclrp alc_color (wbp w, char *s);
void copy_colors (wbp w1, wbp w2);
void free_xcolor (wbp w, unsigned long c);
void free_xcolors (wbp w, int extent);
int go_virtual (wbp w);
int resizePixmap (wbp w, int width, int height);
void wflushall (void);
#endif /* XWindows */
#ifdef WinGraphics
/*
* Implementation routines specific to MS Windows
*/
int playmedia (wbp w, char *s);
char *nativecolordialog (wbp w,long r,long g, long b,char *s);
int nativefontdialog (wbp w, char *buf, int flags, int fheight);
char *nativeopendialog (wbp w,char *s1,char *s2,char *s3,int i,int j);
char *nativeselectdialog (wbp w,struct b_list *,char *s);
char *nativesavedialog (wbp w,char *s1,char *s2,char *s3,int i,int j);
HFONT mkfont (char *s);
int sysTextWidth (wbp w, char *s, int n);
int sysFontHeight (wbp w);
int mswinsystem (char *s);
void UpdateCursorPos (wsp ws, wcp wc);
LRESULT_CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
HDC CreateWinDC (wbp);
HDC CreatePixDC (wbp, HDC);
HBITMAP loadimage (wbp wb, char *filename, unsigned int *width,
unsigned int *height, int atorigin, int *status);
void wfreersc();
int getdepth(wbp w);
HBITMAP CreateBitmapFromData(char *data);
int resizePixmap(wbp w, int width, int height);
int textWidth(wbp w, char *s, int n);
int seticonimage (wbp w, dptr dp);
int devicecaps(wbp w, int i);
void fillarcs(wbp wb, XArc *arcs, int narcs);
void drawarcs(wbp wb, XArc *arcs, int narcs);
void drawlines(wbinding *wb, XPoint *points, int npoints);
void drawpoints(wbinding *wb, XPoint *points, int npoints);
void drawrectangles(wbp wb, XRectangle *recs, int nrecs);
void fillpolygon(wbp w, XPoint *pts, int npts);
void drawsegments(wbinding *wb, XSegment *segs, int nsegs);
void drawstrng(wbinding *wb, int x, int y, char *s, int slen);
void unsetclip(wbp w);
#endif /* WinGraphics */
#endif /* Graphics */
/*
* Prototypes for the run-time system.
*/
struct b_external *alcextrnl (int n);
struct b_record *alcrecd (int nflds,union block *recptr);
struct b_tvsubs *alcsubs (word len,word pos,dptr var);
int bfunc (void);
long ckadd (long i, long j);
long ckmul (long i, long j);
long cksub (long i, long j);
void cmd_line (int argc, char **argv, dptr rslt);
struct b_coexpr *create (continuation fnc,struct b_proc *p,int ntmp,int wksz);
int collect (int region);
void cotrace (struct b_coexpr *ccp, struct b_coexpr *ncp,
int swtch_typ, dptr valloc);
int cvcset (dptr dp,int * *cs,int *csbuf);
int cvnum (dptr dp,union numeric *result);
int cvreal (dptr dp,double *r);
void deref (dptr dp1, dptr dp2);
void envset (void);
int eq (dptr dp1,dptr dp2);
int get_name (dptr dp1, dptr dp2);
int getch (void);
int getche (void);
double getdbl (dptr dp);
int getimage (dptr dp1, dptr dp2);
int getstrg (char *buf, int maxi, struct b_file *fbp);
void hgrow (union block *bp);
void hshrink (union block *bp);
C_integer iipow (C_integer n1, C_integer n2);
void init (char *name, int *argcp, char *argv[], int trc_init);
int kbhit (void);
int mkreal (double r,dptr dp);
int nthcmp (dptr d1,dptr d2);
void nxttab (C_integer *col, dptr *tablst, dptr endlst,
C_integer *last, C_integer *interval);
int order (dptr dp);
int printable (int c);
int ripow (double r, C_integer n, dptr rslt);
void rtos (double n,dptr dp,char *s);
int sig_rsm (void);
struct b_proc *strprc (dptr s, C_integer arity);
int subs_asgn (dptr dest, const dptr src);
int trcmp3 (struct dpair *dp1,struct dpair *dp2);
int trefcmp (dptr d1,dptr d2);
int tvalcmp (dptr d1,dptr d2);
int tvcmp4 (struct dpair *dp1,struct dpair *dp2);
int tvtbl_asgn (dptr dest, const dptr src);
void varargs (dptr argp, int nargs, dptr rslt);
#ifdef MultiThread
struct b_coexpr *alccoexp (long icodesize, long stacksize);
#else /* MultiThread */
struct b_coexpr *alccoexp (void);
#endif /* MultiThread */
#if COMPILER
struct b_refresh *alcrefresh (int na, int nl, int nt, int wk_sz);
void atrace (void);
void ctrace (void);
void failtrace (void);
void initalloc (void);
int invoke (int n, dptr args, dptr rslt, continuation c);
void rtrace (void);
void strace (void);
void tracebk (struct p_frame *lcl_pfp, dptr argp);
int xdisp (struct p_frame *fp, dptr dp, int n, FILE *f);
#else /* COMPILER */
struct b_refresh *alcrefresh (word *e, int nl, int nt);
void atrace (dptr dp);
void ctrace (dptr dp, int nargs, dptr arg);
void failtrace (dptr dp);
int invoke (int nargs, dptr *cargs, int *n);
void rtrace (dptr dp, dptr rval);
void strace (dptr dp, dptr rval);
void tracebk (struct pf_marker *lcl_pfp, dptr argp);
int xdisp (struct pf_marker *fp, dptr dp, int n, FILE *f);
#define Fargs dptr cargp
int Obscan (int nargs, Fargs);
int Ocreate (word *entryp, Fargs);
int Oescan (int nargs, Fargs);
int Ofield (int nargs, Fargs);
int Olimit (int nargs, Fargs);
int Ollist (int nargs, Fargs);
int Omkrec (int nargs, Fargs);
#ifdef MultiThread
void initalloc (word codesize, struct progstate *p);
#else /* MultiThread */
void initalloc (word codesize);
#endif /* MultiThread */
#endif /* COMPILER */
/**************************************** end ../h/rproto.h */
#endif /* RT_DOT_H */
/**************************************** end ../h/rt.h */
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