chore: rm unfinished projects

1 files changed, 0 insertions, 312 deletions

diff --git a/sys/cmd/rc/rc.h b/sys/cmd/rc/rc.h
deleted file mode 100644
index f32a737..0000000
--- a/sys/cmd/rc/rc.h
+++ /dev/null
@@ -1,312 +0,0 @@
-#pragma once
-
-#include <u.h>
-#include <libn.h>
-
-#include <errno.h>
-#include <sys/wait.h>
-
-#define alloc(ptr)       ptr = emalloc(sizeof(*ptr))
-
-// -----------------------------------------------------------------------
-// main enums
-
-#define GLOB 0x01
-
-enum
-{
-    /* keywords */
-    Kstart = 11, 
-    Tfor, Tin, Twhile, Tif, Telse, 
-    Tswitch, Tcase, Tfunc, Ttwiddle, 
-    Tbang, Tsubshell, 
-    Kend,
-
-    /* tokens */
-    Tword='w', Tredir='r', Tdup='d', Tsimple='s', 
-    Targs='A', Twords='W', Tbrace='b', Tparen='p', Tsub='S',
-    Tpcmd='c', Tpipefd='-', Tandand='%', Toror='@', Tcount='#', 
-
-    Ttick='`', Tpipe = '|',  Tdol='$', Tquote='"', Tand='&', 
-    Tlparen = '(', Trparen = ')', Tlbrace='{', Trbrace='}',
-    Tsemi=';', Tcarot='^', Teq='=',
-};
-
-enum
-{
-    Rappend = 1,
-    Rwrite  = 2,
-    Rread   = 3,
-    Rhere   = 4,
-    Rdupfd  = 5,
-    Rclose  = 6,
-    Rrdwr   = 7,
-};
-
-enum
-{
-    Fopen  = 1,
-    Fdup   = 2,
-    Fclose = 3,
-};
-
-// -----------------------------------------------------------------------
-// main types
-
-typedef union  Code    Code;
-typedef struct Word    Word;
-typedef struct List    List;
-typedef struct Var     Var;
-typedef struct Redir   Redir;
-typedef struct Tree    Tree;
-typedef struct Builtin Builtin;
-typedef struct Thread  Thread;
-typedef struct Io      Io;
-
-union Code 
-{
-    int    i;
-    char  *s;
-    void (*f)(void);
-};
-
-struct Word
-{
-    char *word;
-    Word *link;
-};
-
-struct List
-{
-    Word *words;
-    List *link;
-};
-
-struct Redir
-{
-    uchar type;
-    short from, to;
-    Redir *link;
-};
-
-struct Var
-{
-    string  name;
-    Word   *val;
-    struct {
-        Code *func, *ip;
-        uint  funcnew : 1;
-    };
-    struct {
-        uint new : 1;
-        void (*update)(Var*);
-    };
-    Var *link;
-};
-
-struct Tree
-{
-    ushort type;
-    uchar  quoted : 1;
-    union {
-        char  *str;
-        struct {
-            ushort type;
-            int fd[2];
-        } redir;
-    };
-
-    Tree *child[3], *link;
-};
-
-struct Builtin
-{
-    char  *cmd;
-    void (*func)(void);
-};
-
-struct Thread
-{
-    Code   *code, *ip;
-    List   *stack;
-    Redir  *redir, *root;
-    Var    *local;
-    uchar   interactive : 1;
-    struct {
-        uchar eof : 1;
-        int   line;
-        char *name;
-        Io   *io;
-    } cmd;
-
-    int     pid;
-    Tree   *nodes;
-    Thread *link; /* continuation */
-};
-
-struct Io
-{
-    int   fd;
-    uchar *b, *e, buf[];
-};
-
-// -----------------------------------------------------------------------
-// global interpreter variables
-
-extern Thread *shell;
-extern int     ntrap;
-extern int     status;
-
-extern Io     *errio;
-
-extern Builtin builtins[];
-extern Var    *globals[1021]; /* for now must be prime */
-
-// -----------------------------------------------------------------------
-// interpreter functions (defined in exec.c)
-
-/* 
- * notation: 
- * (var1, var2, ...) : items from stack
- * [var1, var2, ...] : items from code stream
- * {var1, var2, ...} : jump block from code stream
- *      -> moves value (stack) [code stream]
- */
-extern void Xappend(void);    /* Xappend(file)[fd]: open file to append */
-extern void Xassign(void);    /* Xassign(name, val): assign name to val */
-extern void Xasync(void);     /* Xasync(cmd): run command asynchronously */
-extern void Xcat(void);       /* Xcat(list1, list2): concatenate strings */
-extern void Xclose(void);     /* Xclose[fd]: close file descriptor */
-extern void Xcmdsub(void);    /* Xcmdsub(cmd): use output of command as input to other */
-extern void Xcount(void);     /* Xcount(name) -> (number): count items in list*/
-extern void Xdol(void);       /* Xdol(name): get variable value */
-extern void Xdup(void);       /* Xdup[i, j]: duplicate file descriptor */
-extern void Xexit(void);      /* Xexit: exit with status */
-extern void Xfalse(void);     /* Xfalse{...}: run only if $status=1 */
-extern void Xflatten(void);   /* Xflatten(list) -> (string): flatten list */
-extern void Xfor(void);       /* Xfor(list): flatten list */
-extern void Xfunc(void);      /* Xfunc(name){... Xreturn}: define function */
-extern void Xglob(void);      /* Xglob(list): globs value */
-extern void Xif(void);        /* Xif: execute if $status */
-extern void Xjump(void);      /* Xjump[addr]: jump to address */
-extern void Xkill(void);      /* Xkill kill thread */
-extern void Xlocal(void);     /* Xlocal(name, val): define local variable */
-extern void Xmark(void);      /* Xmark: delimit stack with new list */
-extern void Xmatch(void);     /* Xmatch(pat, str): sets status with result */
-extern void Xnegate(void);    /* Xnegate: negate condition */
-extern void Xpipe(void);      /* Xpipe[i j]{... Xkill}{... Xkill}: construct a pipe between 2 threads*/
-extern void Xpipefd(void);    /* Xpipe[type]{... Xkill}: connect {} to a pipe */
-extern void Xpipewait(void);  /* Xpipewait: wait on a pipe */
-extern void Xpop(void);       /* Xpop(value): pops value from stack */
-extern void Xpopredir(void);  /* Xpopredir(value): pops redir from redir stack */
-extern void Xrdwr(void);      /* Xrdwr(file)[fd]: open file for reads/writes */
-extern void Xread(void);      /* Xread(file)[fd]: open file for reads */
-extern void Xsub(void);       /* Xsub(list, index): subscript list */
-extern void Xsimple(void);    /* Xsimple(args): run command */
-extern void Xsubshell(void);  /* Xsubshell(args): run command in a subshell */
-extern void Xtrue(void);      /* Xtrue{...}: run only if $status=0 */
-extern void Xunfunc(void);    /* Xunfunc(name) undefine function */
-extern void Xunlocal(void);   /* Xunlocal(name) undefine local */
-extern void Xword(void);      /* Xword[val] -> (val) */
-extern void Xwrite(void);     /* Xwrite(file)[fd]: open file to write */
-
-extern void Xerror(char *s);  /* Xerror report an error */
-
-// -----------------------------------------------------------------------
-// shell functions
-
-/* 
- * util.c 
- */
-void *emalloc(uintptr size);
-void *erealloc(void *ptr, uintptr size);
-void  efree(void *);
-void  panic(char *msg, int n);
-
-/* 
- * io.c 
- */
-Io   *openfd(int fd);
-Io   *openstr(void);
-Io   *opencore(int len, char *s);
-void  rewindio(Io *f);
-void  closeio(Io *f);
-void  flush(Io **fp);
-
-/* reads */
-int   rchr(Io *f);
-
-/* writes */
-int   pchr(Io *f, int c);
-void  pquo(Io *f, char *s);
-void  pwrd(Io *f, char *s);
-void  pptr(Io *f, void *v);
-void  pstr(Io *f, char *s);
-void  pdec(Io *f, int n);
-void  poct(Io *f, uint n);
-void  pval(Io *f, Word *a);
-void  pcmd(Io *f, Tree *t);
-void  pfmt(Io *f, char *fmt, ...);
-void  vpfmt(Io *f, char *fmt, va_list args); 
-
-/* 
- * word.c 
- */
-void pushlist(void);
-void freelist(Word *w);
-void poplist(void);
-
-int   count(Word *w);
-Word *newword(char *w, Word *link);
-void  pushword(char *w);
-
-/* 
- * tree.c 
- */
-
-Tree *newtree(void);
-void  freetree(Tree *t);
-Tree *tree3(int type, Tree *c0, Tree *c1, Tree *c2);
-Tree *tree2(int type, Tree *c0, Tree *c1);
-Tree *tree1(int type, Tree *c0);
-
-Tree *hang1(Tree *p, Tree *c0);
-Tree *hang2(Tree *p, Tree *c0, Tree *c1);
-Tree *hang3(Tree *p, Tree *c0, Tree *c1, Tree *c2);
-Tree *epihang(Tree *c, Tree *epi);
-Tree *simplehang(Tree *t);
-Tree *wordnode(char *w);
-
-/*
- * var.c
- */
-
-Var  *newvar(char *name, Var *link);
-Var  *gvlookup(char *name);
-Var  *vlookup(char *name);
-void  setvar(char *name, Word *val);
-
-int  kwlookup(char *name);
-void initkw(void);
-
-/* 
- * lex.c 
- */
-
-void skipnl(void);
-int  wordchr(int c);
-
-void rcerror(char *msg, ...);
-int  lex(Tree **node);
-
-/*
- * parse.c
- */
-
-int parse(void);
-
-/*
- * main.c
- */
-
-void dotrap(void);