diff options
Diffstat (limited to 'Src/zsh.h')
| -rw-r--r-- | Src/zsh.h | 74 |
1 files changed, 56 insertions, 18 deletions
@@ -298,6 +298,7 @@ typedef struct cmdnam *Cmdnam; typedef struct shfunc *Shfunc; typedef struct funcstack *Funcstack; typedef struct funcwrap *FuncWrap; +typedef struct options *Options; typedef struct builtin *Builtin; typedef struct nameddir *Nameddir; typedef struct module *Module; @@ -934,7 +935,49 @@ struct funcwrap { /* node in builtin command hash table (builtintab) */ -typedef int (*HandlerFunc) _((char *, char **, char *, int)); +/* + * Handling of options. + * + * Option strings are standard in that a trailing `:' indicates + * a mandatory argument. In addtion, `::' indicates an optional + * argument which must immediately follow the option letter if it is present. + * `:%' indicates an optional numeric argument which may follow + * the option letter or be in the next word; the only test is + * that the next character is a digit, and no actual conversion is done. + */ + +#define MAX_OPS 128 + +/* Macros taking struct option * and char argument */ +/* Option was set as -X */ +#define OPT_MINUS(ops,c) ((ops)->ind[c] & 1) +/* Option was set as +X */ +#define OPT_PLUS(ops,c) ((ops)->ind[c] & 2) +/* + * Option was set any old how, maybe including an argument + * (cheap test when we don't care). + */ +#define OPT_ISSET(ops,c) ((ops)->ind[c]) +/* Option has an argument */ +#define OPT_HASARG(ops,c) ((ops)->ind[c] > 3) +/* The argument for the option; not safe if it doesn't have one */ +#define OPT_ARG(ops,c) ((ops)->args[((ops)->ind[c] >> 2) - 1]) +/* Ditto, but safely returns NULL if there is no argument. */ +#define OPT_ARG_SAFE(ops,c) (OPT_HASARG(ops,c) ? OPT_ARG(ops,c) : NULL) + +struct options { + unsigned char ind[MAX_OPS]; + char **args; + int argscount, argsalloc; +}; + +/* + * Handler arguments are: builtin name, null-terminated argument + * list excluding command name, option structure, the funcid element from the + * builtin structure. + */ + +typedef int (*HandlerFunc) _((char *, char **, Options, int)); #define NULLBINCMD ((HandlerFunc) 0) struct builtin { @@ -957,22 +1000,17 @@ struct builtin { /* builtin flags */ /* DISABLE IS DEFINED AS (1<<0) */ #define BINF_PLUSOPTS (1<<1) /* +xyz legal */ -#define BINF_R (1<<2) /* this is the builtin `r' (fc -e -) */ -#define BINF_PRINTOPTS (1<<3) -#define BINF_ADDED (1<<4) /* is in the builtins hash table */ -#define BINF_FCOPTS (1<<5) -#define BINF_TYPEOPT (1<<6) -#define BINF_ECHOPTS (1<<7) -#define BINF_MAGICEQUALS (1<<8) /* needs automatic MAGIC_EQUAL_SUBST substitution */ -#define BINF_PREFIX (1<<9) -#define BINF_DASH (1<<10) -#define BINF_BUILTIN (1<<11) -#define BINF_COMMAND (1<<12) -#define BINF_EXEC (1<<13) -#define BINF_NOGLOB (1<<14) -#define BINF_PSPECIAL (1<<15) - -#define BINF_TYPEOPTS (BINF_TYPEOPT|BINF_PLUSOPTS) +#define BINF_PRINTOPTS (1<<2) +#define BINF_ADDED (1<<3) /* is in the builtins hash table */ +#define BINF_ECHOPTS (1<<4) +#define BINF_MAGICEQUALS (1<<5) /* needs automatic MAGIC_EQUAL_SUBST substitution */ +#define BINF_PREFIX (1<<6) +#define BINF_DASH (1<<7) +#define BINF_BUILTIN (1<<8) +#define BINF_COMMAND (1<<9) +#define BINF_EXEC (1<<10) +#define BINF_NOGLOB (1<<11) +#define BINF_PSPECIAL (1<<12) struct module { char *nam; @@ -1711,7 +1749,7 @@ struct heap { /* compctl entry point pointers */ -typedef int (*CompctlReadFn) _((char *, char **, char *, char *)); +typedef int (*CompctlReadFn) _((char *, char **, Options, char *)); /* ZLE entry point pointers */ |