| #include <u.h> |
| #include <libc.h> |
| #include <plumb.h> |
| #include "errors.h" |
| |
| #undef waitfor |
| #define waitfor samwaitfor |
| |
| #undef warn |
| #define warn samwarn |
| |
| /* |
| * BLOCKSIZE is relatively small to keep memory consumption down. |
| */ |
| |
| #define BLOCKSIZE 2048 |
| #define RUNESIZE sizeof(Rune) |
| #define NDISC 5 |
| #define NBUFFILES 3+2*NDISC /* plan 9+undo+snarf+NDISC*(transcript+buf) */ |
| #define NSUBEXP 10 |
| |
| #define TRUE 1 |
| #define FALSE 0 |
| |
| #undef INFINITY /* Darwin declares this as HUGE_VAL */ |
| #define INFINITY 0x7FFFFFFFL |
| #define INCR 25 |
| #define STRSIZE (2*BLOCKSIZE) |
| |
| typedef long Posn; /* file position or address */ |
| typedef ushort Mod; /* modification number */ |
| |
| typedef struct Address Address; |
| typedef struct Block Block; |
| typedef struct Buffer Buffer; |
| typedef struct Disk Disk; |
| typedef struct Discdesc Discdesc; |
| typedef struct File File; |
| typedef struct List List; |
| typedef struct Range Range; |
| typedef struct Rangeset Rangeset; |
| typedef struct String String; |
| |
| enum State |
| { |
| Clean = ' ', |
| Dirty = '\'', |
| Unread = '-' |
| }; |
| |
| struct Range |
| { |
| Posn p1, p2; |
| }; |
| |
| struct Rangeset |
| { |
| Range p[NSUBEXP]; |
| }; |
| |
| struct Address |
| { |
| Range r; |
| File *f; |
| }; |
| |
| struct String |
| { |
| short n; |
| short size; |
| Rune *s; |
| }; |
| |
| struct List /* code depends on a long being able to hold a pointer */ |
| { |
| int type; /* 'p' for pointer, 'P' for Posn */ |
| int nalloc; |
| int nused; |
| union{ |
| void* listp; |
| void** voidp; |
| Posn* posnp; |
| String**stringp; |
| File** filep; |
| }g; |
| }; |
| |
| #define listptr g.listp |
| #define voidpptr g.voidp |
| #define posnptr g.posnp |
| #define stringpptr g.stringp |
| #define filepptr g.filep |
| |
| enum |
| { |
| Blockincr = 256, |
| Maxblock = 8*1024, |
| |
| BUFSIZE = Maxblock, /* size from fbufalloc() */ |
| RBUFSIZE = BUFSIZE/sizeof(Rune) |
| }; |
| |
| |
| enum |
| { |
| Null = '-', |
| Delete = 'd', |
| Insert = 'i', |
| Filename = 'f', |
| Dot = 'D', |
| Mark = 'm' |
| }; |
| |
| struct Block |
| { |
| uint addr; /* disk address in bytes */ |
| union { |
| uint n; /* number of used runes in block */ |
| Block *next; /* pointer to next in free list */ |
| } u; |
| }; |
| |
| struct Disk |
| { |
| int fd; |
| uint addr; /* length of temp file */ |
| Block *free[Maxblock/Blockincr+1]; |
| }; |
| |
| Disk* diskinit(void); |
| Block* disknewblock(Disk*, uint); |
| void diskrelease(Disk*, Block*); |
| void diskread(Disk*, Block*, Rune*, uint); |
| void diskwrite(Disk*, Block**, Rune*, uint); |
| |
| struct Buffer |
| { |
| uint nc; |
| Rune *c; /* cache */ |
| uint cnc; /* bytes in cache */ |
| uint cmax; /* size of allocated cache */ |
| uint cq; /* position of cache */ |
| int cdirty; /* cache needs to be written */ |
| uint cbi; /* index of cache Block */ |
| Block **bl; /* array of blocks */ |
| uint nbl; /* number of blocks */ |
| }; |
| void bufinsert(Buffer*, uint, Rune*, uint); |
| void bufdelete(Buffer*, uint, uint); |
| uint bufload(Buffer*, uint, int, int*); |
| void bufread(Buffer*, uint, Rune*, uint); |
| void bufclose(Buffer*); |
| void bufreset(Buffer*); |
| |
| struct File |
| { |
| Buffer b; /* the data */ |
| Buffer delta; /* transcript of changes */ |
| Buffer epsilon; /* inversion of delta for redo */ |
| String name; /* name of associated file */ |
| uvlong qidpath; /* of file when read */ |
| uint mtime; /* of file when read */ |
| ulong dev; /* of file when read */ |
| int unread; /* file has not been read from disk */ |
| |
| long seq; /* if seq==0, File acts like Buffer */ |
| long cleanseq; /* f->seq at last read/write of file */ |
| int mod; /* file appears modified in menu */ |
| char rescuing; /* sam exiting; this file unusable */ |
| |
| #if 0 |
| // Text *curtext; /* most recently used associated text */ |
| // Text **text; /* list of associated texts */ |
| // int ntext; |
| // int dumpid; /* used in dumping zeroxed windows */ |
| #endif |
| |
| Posn hiposn; /* highest address touched this Mod */ |
| Address dot; /* current position */ |
| Address ndot; /* new current position after update */ |
| Range tdot; /* what terminal thinks is current range */ |
| Range mark; /* tagged spot in text (don't confuse with Mark) */ |
| List *rasp; /* map of what terminal's got */ |
| short tag; /* for communicating with terminal */ |
| char closeok; /* ok to close file? */ |
| char deleted; /* delete at completion of command */ |
| Range prevdot; /* state before start of change */ |
| Range prevmark; |
| long prevseq; |
| int prevmod; |
| }; |
| /*File* fileaddtext(File*, Text*); */ |
| void fileclose(File*); |
| void filedelete(File*, uint, uint); |
| /*void filedeltext(File*, Text*); */ |
| void fileinsert(File*, uint, Rune*, uint); |
| uint fileload(File*, uint, int, int*); |
| void filemark(File*); |
| void filereset(File*); |
| void filesetname(File*, String*); |
| void fileundelete(File*, Buffer*, uint, uint); |
| void fileuninsert(File*, Buffer*, uint, uint); |
| void fileunsetname(File*, Buffer*); |
| void fileundo(File*, int, int, uint*, uint*, int); |
| int fileupdate(File*, int, int); |
| |
| int filereadc(File*, uint); |
| File *fileopen(void); |
| void loginsert(File*, uint, Rune*, uint); |
| void logdelete(File*, uint, uint); |
| void logsetname(File*, String*); |
| int fileisdirty(File*); |
| long undoseq(File*, int); |
| long prevseq(Buffer*); |
| |
| void raspload(File*); |
| void raspstart(File*); |
| void raspdelete(File*, uint, uint, int); |
| void raspinsert(File*, uint, Rune*, uint, int); |
| void raspdone(File*, int); |
| void raspflush(File*); |
| |
| /* |
| * acme fns |
| */ |
| void* fbufalloc(void); |
| void fbuffree(void*); |
| uint min(uint, uint); |
| void cvttorunes(char*, int, Rune*, int*, int*, int*); |
| |
| #define runemalloc(a) (Rune*)emalloc((a)*sizeof(Rune)) |
| #define runerealloc(a, b) (Rune*)realloc((a), (b)*sizeof(Rune)) |
| #define runemove(a, b, c) memmove((a), (b), (c)*sizeof(Rune)) |
| |
| int alnum(int); |
| int Read(int, void*, int); |
| void Seek(int, long, int); |
| int plan9(File*, int, String*, int); |
| int Write(int, void*, int); |
| int bexecute(File*, Posn); |
| void cd(String*); |
| void closefiles(File*, String*); |
| void closeio(Posn); |
| void cmdloop(void); |
| void cmdupdate(void); |
| void compile(String*); |
| void copy(File*, Address); |
| File *current(File*); |
| void delete(File*); |
| void delfile(File*); |
| void dellist(List*, int); |
| void doubleclick(File*, Posn); |
| void dprint(char*, ...); |
| void edit(File*, int); |
| void *emalloc(ulong); |
| void *erealloc(void*, ulong); |
| void error(Err); |
| void error_c(Err, int); |
| void error_r(Err, char*); |
| void error_s(Err, char*); |
| int execute(File*, Posn, Posn); |
| int filematch(File*, String*); |
| void filename(File*); |
| void fixname(String*); |
| void fullname(String*); |
| void getcurwd(void); |
| File *getfile(String*); |
| int getname(File*, String*, int); |
| long getnum(int); |
| void hiccough(char*); |
| void inslist(List*, int, ...); |
| Address lineaddr(Posn, Address, int); |
| List *listalloc(int); |
| void listfree(List*); |
| void load(File*); |
| File *lookfile(String*); |
| void lookorigin(File*, Posn, Posn); |
| int lookup(int); |
| void move(File*, Address); |
| void moveto(File*, Range); |
| File *newfile(void); |
| void nextmatch(File*, String*, Posn, int); |
| int newtmp(int); |
| void notifyf(void*, char*); |
| void panic(char*); |
| void printposn(File*, int); |
| void print_ss(char*, String*, String*); |
| void print_s(char*, String*); |
| int rcv(void); |
| Range rdata(List*, Posn, Posn); |
| Posn readio(File*, int*, int, int); |
| void rescue(void); |
| void resetcmd(void); |
| void resetsys(void); |
| void resetxec(void); |
| void rgrow(List*, Posn, Posn); |
| void samerr(char*); |
| void settempfile(void); |
| int skipbl(void); |
| void snarf(File*, Posn, Posn, Buffer*, int); |
| void sortname(File*); |
| void startup(char*, int, char**, char**); |
| void state(File*, int); |
| int statfd(int, ulong*, uvlong*, long*, long*, long*); |
| int statfile(char*, ulong*, uvlong*, long*, long*, long*); |
| void Straddc(String*, int); |
| void Strclose(String*); |
| int Strcmp(String*, String*); |
| void Strdelete(String*, Posn, Posn); |
| void Strdupl(String*, Rune*); |
| void Strduplstr(String*, String*); |
| void Strinit(String*); |
| void Strinit0(String*); |
| void Strinsert(String*, String*, Posn); |
| void Strinsure(String*, ulong); |
| int Strispre(String*, String*); |
| void Strzero(String*); |
| int Strlen(Rune*); |
| char *Strtoc(String*); |
| void syserror(char*); |
| void telldot(File*); |
| void tellpat(void); |
| String *tmpcstr(char*); |
| String *tmprstr(Rune*, int); |
| void freetmpstr(String*); |
| void termcommand(void); |
| void termwrite(char*); |
| File *tofile(String*); |
| void trytoclose(File*); |
| void trytoquit(void); |
| int undo(int); |
| void update(void); |
| int waitfor(int); |
| void warn(Warn); |
| void warn_s(Warn, char*); |
| void warn_SS(Warn, String*, String*); |
| void warn_S(Warn, String*); |
| int whichmenu(File*); |
| void writef(File*); |
| Posn writeio(File*); |
| Discdesc *Dstart(void); |
| |
| extern Rune samname[]; /* compiler dependent */ |
| extern Rune *left[]; |
| extern Rune *right[]; |
| |
| extern char RSAM[]; /* system dependent */ |
| extern char SAMTERM[]; |
| extern char HOME[]; |
| extern char TMPDIR[]; |
| extern char SH[]; |
| extern char SHPATH[]; |
| extern char RX[]; |
| extern char RXPATH[]; |
| |
| /* |
| * acme globals |
| */ |
| extern long seq; |
| extern Disk *disk; |
| |
| extern char *rsamname; /* globals */ |
| extern char *samterm; |
| extern Rune genbuf[]; |
| extern char *genc; |
| extern int io; |
| extern int patset; |
| extern int quitok; |
| extern Address addr; |
| extern Buffer snarfbuf; |
| extern Buffer plan9buf; |
| extern List file; |
| extern List tempfile; |
| extern File *cmd; |
| extern File *curfile; |
| extern File *lastfile; |
| extern Mod modnum; |
| extern Posn cmdpt; |
| extern Posn cmdptadv; |
| extern Rangeset sel; |
| extern String curwd; |
| extern String cmdstr; |
| extern String genstr; |
| extern String lastpat; |
| extern String lastregexp; |
| extern String plan9cmd; |
| extern int downloaded; |
| extern int eof; |
| extern int bpipeok; |
| extern int panicking; |
| extern Rune empty[]; |
| extern int termlocked; |
| extern int outbuffered; |
| |
| #include "mesg.h" |
| |
| void outTs(Hmesg, int); |
| void outT0(Hmesg); |
| void outTl(Hmesg, long); |
| void outTslS(Hmesg, int, long, String*); |
| void outTS(Hmesg, String*); |
| void outTsS(Hmesg, int, String*); |
| void outTsllS(Hmesg, int, long, long, String*); |
| void outTsll(Hmesg, int, long, long); |
| void outTsl(Hmesg, int, long); |
| void outTsv(Hmesg, int, vlong); |
| void outflush(void); |
| int needoutflush(void); |
