From ce05175372a9ddca1a225db0765ace1127a39293 Mon Sep 17 00:00:00 2001
From: Nicholas <nbnoll@eml.cc>
Date: Fri, 12 Nov 2021 09:22:01 -0800
Subject: chore: simplified organizational structure

---
 sys/cmd/rc/rc.h | 263 --------------------------------------------------------
 1 file changed, 263 deletions(-)
 delete mode 100644 sys/cmd/rc/rc.h

(limited to 'sys/cmd/rc/rc.h')

diff --git a/sys/cmd/rc/rc.h b/sys/cmd/rc/rc.h
deleted file mode 100644
index 9b415fc..0000000
--- a/sys/cmd/rc/rc.h
+++ /dev/null
@@ -1,263 +0,0 @@
-
-#include <u.h>
-#include <base.h>
-#include <libutf.h>
-
-// -----------------------------------------------------------------------
-// types
-
-typedef struct Io     Io;
-typedef struct Var    Var;
-typedef struct Word   Word;
-typedef struct List   List;
-typedef struct Tree   Tree;
-typedef struct Redir  Redir;
-typedef union  Code   Code;
-typedef struct Thread Thread;
-typedef struct Shell  Shell;
-
-struct Io
-{
-    int fd, cap;
-    char *s;
-    char *b, *e, buf[];
-};
-
-enum
-{
-    Rappend,
-    Rwrite,
-    Rread,
-    Rhere,
-    Rdupfd,
-    Ropen,
-    Rclose,
-    Rrdwr
-};
-
-struct Tree
-{
-    int  type;
-    union{
-        struct {
-            ushort quoted;
-            char *str;       // Tword
-        };
-        struct {
-            ushort type; // Tpipe, Tredir, Tdup
-            int fd[2];
-        } redir;
-    };
-    Tree *child[3];
-    Tree *link;
-};
-
-struct Word
-{
-    char *str;
-    Word *link;
-};
-
-struct List
-{
-    Word *word;
-    List *link;
-};
-
-/*
- * the first word of any code vector is a reference count
- * always create a new reference to a code vector by calling copycode()
- * always call freecode() when deleting a reference
- */
-union Code
-{
-    int  i;
-    void (*f)(void);
-    char *s;
-};
-
-struct Var
-{
-    char *name;
-    Word *val;
-    short new     : 1;
-    short newfunc : 1;
-    Code *func;
-    void (*update)(Var *);
-    Var  *link;
-};
-
-struct Redir
-{
-    char type;              /* what to do */
-    short from, to;         /* what to do it to */
-    struct Redir *link;     /* what else to do (reverse order) */
-};
-
-enum
-{
-    Pnil,
-    Prun,
-    Pstop,
-    Psig,
-    Pagain,
-    Pdone,
-};
-
-struct WaitItem
-{
-    int    pid;
-    ushort status;
-};
-
-struct Thread
-{
-    struct {
-        int  i;
-        Code *exe;
-    } code;      // execution stack
-    struct {
-        Io   *io;
-        char *path;
-    } cmd;       // command input
-
-    List  *args;  // argument stack
-    Var   *local; // local variables
-    struct {
-        Redir *start;
-        Redir *end;
-    } redir; // list of redirections
-
-    struct {
-        ushort user : 1;
-        ushort eof  : 1;
-    } flag;
-
-    struct {
-        ushort status;
-        int len, cap;
-        struct WaitItem *on;
-    } wait;
-
-    int  pid, pgid, status;
-    long line;
-
-    Thread *caller; // process we return to
-    Thread *link; // next job
-};
-
-struct Shell
-{
-    int pid;
-    Io *err;
-    int status;
-    int interactive;
-    Thread *jobs;
-};
-
-// -----------------------------------------------------------------------
-// globals
-
-extern Shell shell;
-extern Thread *runner;
-extern Code   *compiled;
-
-// -----------------------------------------------------------------------
-// functions
-
-/* util.c */
-void  itoa(char*, long i);
-void  fatal(char *, ...);
-void *emalloc(uintptr);
-void *erealloc(void*, uintptr);
-void  efree(void*);
-
-/* input.c */
-int  readline(char *);
-void enablevi(void);
-
-void inithistory(void);
-int  addhistory(char *);
-
-/* prompt.c */
-void resetprompt(void);
-int  prompt(ushort *);
-
-/* io.c */
-Io  *openfd(int fd);
-Io  *openstr(void);
-void terminate(Io *io);
-
-int  get(Io *);
-int  put(Io **, char);
-
-void flush(Io *io);
-void print(Io *, char *, ...);
-
-/* lex.c */
-int iswordchar(int c);
-int yylex(void);
-
-/* tree.c */
-Tree *maketree(void);
-Tree *maketree1(int, Tree*);
-Tree *maketree2(int, Tree*, Tree*);
-Tree *maketree3(int, Tree*, Tree*, Tree*);
-
-Tree *token(int, char *);
-Tree *hangchild1(Tree *, Tree *, int);
-Tree *hangchild2(Tree *, Tree *, int, Tree *, int);
-Tree *hangchild3(Tree *, Tree *, Tree *, Tree *);
-Tree *hangepilog(Tree *, Tree*);
-
-void freeparsetree(void);
-
-/* sys.c */
-void initenv(void);
-void redirect(struct Redir *);
-void execute(Word *, Word*);
-int  mapfd(int fd);
-
-/* wait.c */
-void addwait(Thread *, int);
-void delwait(Thread *, int);
-void clearwait(Thread*);
-
-int  waitall(Thread *);
-int  waitfor(Thread *, int);
-
-void killzombies(void);
-
-/* job.c */
-Thread *getjob(int, int*);
-void    addjob(Thread *);
-void    deljob(Thread *);
-void    wakeup(Thread *);
-void    report(Thread *, int);
-
-void foreground(Thread *, int);
-void background(Thread *, int);
-
-/* exec.c */
-// XXX: odd place for this
-int   count(Word *);
-Word  *makeword(char *str, Word *link);
-void   freeword(Word *w);
-
-/* var.c */
-Var *var(char*);
-Var *definevar(char*, Var *);
-Var *globalvar(char*);
-Var *makevar(char *name, Var *link);
-void setvar(char *, Word *);
-int  iskeyword(char *);
-
-void initpath(void);
-void initkeywords(void);
-
-char **mkenv(void);
-
-/* code.c */
-int   compile(Tree *);
-Code *copycode(Code *c);
-void  freecode(Code *c);
-- 
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