diff options
| -rw-r--r-- | gawkapi.h | 208 |
1 files changed, 104 insertions, 104 deletions
@@ -31,95 +31,95 @@ #ifndef _GAWK_API_H #define _GAWK_API_H - /* Allow the use in C++ code. */ +/* Allow the use in C++ code. */ #ifdef __cplusplus - extern "C" { +extern "C" { #endif - typedef struct iobuf { - const char *name; /* filename */ - int fd; /* file descriptor */ - struct stat sbuf; /* stat buf */ - char *buf; /* start data buffer */ - char *off; /* start of current record in buffer */ - char *dataend; /* first byte in buffer to hold new data, - NULL if not read yet */ - char *end; /* end of buffer */ - size_t readsize; /* set from fstat call */ - size_t size; /* buffer size */ - ssize_t count; /* amount read last time */ - size_t scanoff; /* where we were in the buffer when we had - to regrow/refill */ - /* - * No argument prototype on read_func. See get_src_buf() - * in awkgram.y. - */ - ssize_t (*read_func)(); - - void *opaque; /* private data for open hooks */ - int (*get_record)(char **out, struct iobuf *, int *errcode); - void (*close_func)(struct iobuf *); /* open and close hooks */ - - int errcode; - - int flag; +typedef struct iobuf { + const char *name; /* filename */ + int fd; /* file descriptor */ + struct stat sbuf; /* stat buf */ + char *buf; /* start data buffer */ + char *off; /* start of current record in buffer */ + char *dataend; /* first byte in buffer to hold new data, + NULL if not read yet */ + char *end; /* end of buffer */ + size_t readsize; /* set from fstat call */ + size_t size; /* buffer size */ + ssize_t count; /* amount read last time */ + size_t scanoff; /* where we were in the buffer when we had + to regrow/refill */ + /* + * No argument prototype on read_func. See get_src_buf() + * in awkgram.y. + */ + ssize_t (*read_func)(); + + void *opaque; /* private data for open hooks */ + int (*get_record)(char **out, struct iobuf *, int *errcode); + void (*close_func)(struct iobuf *); /* open and close hooks */ + + int errcode; + + int flag; # define IOP_IS_TTY 1 # define IOP_NOFREE_OBJ 2 # define IOP_AT_EOF 4 # define IOP_CLOSED 8 # define IOP_AT_START 16 - } IOBUF; +} IOBUF; #define GAWK_API_MAJOR_VERSION 0 #define GAWK_API_MINOR_VERSION 0 #define DO_FLAGS_SIZE 6 - typedef enum { - AWK_UNDEFINED, - AWK_NUMBER, - AWK_CONST_STRING, - AWK_STRING, - AWK_ARRAY - } awk_valtype_t; - - typedef struct { - const char *const str; - const size_t len; - } awk_const_string_t; - - typedef struct { - char *str; - size_t len; - } awk_string_t; - - typedef struct { - awk_valtype_t val_type; - union { - awk_const_string cs; - awk_string s; - double d; - void* a; - } u; +typedef enum { + AWK_UNDEFINED, + AWK_NUMBER, + AWK_CONST_STRING, + AWK_STRING, + AWK_ARRAY +} awk_valtype_t; + +typedef struct { + const char *const str; + const size_t len; +} awk_const_string_t; + +typedef struct { + char *str; + size_t len; +} awk_string_t; + +typedef struct { + awk_valtype_t val_type; + union { + awk_const_string cs; + awk_string s; + double d; + void* a; + } u; #define const_str_val u.cs #define str_val u.s #define num_val u.d #define array_cookie u.a - } awk_value_t; +} awk_value_t; - typedef struct { - const char *name; - size_t num_args; - void (*function)(int num_args); - } awk_ext_func_t; +typedef struct { + const char *name; + size_t num_args; + void (*function)(int num_args); +} awk_ext_func_t; - typedef struct gawk_api { - int major_version; - int minor_version; +typedef struct gawk_api { + int major_version; + int minor_version; - int do_flags[DO_FLAGS_SIZE]; - /* Use these as indices into do_flags[] array to check the values */ + int do_flags[DO_FLAGS_SIZE]; +/* Use these as indices into do_flags[] array to check the values */ #define gawk_do_lint 0 #define gawk_do_traditional 1 #define gawk_do_profile 2 @@ -127,54 +127,54 @@ #define gawk_do_debug 4 #define gawk_do_mpfr 5 - /* get the number of arguments passed in function call */ - /* FIXME: Needed? Won't we pass the count in the real call? */ - size_t (*get_curfunc_arg_count)(void *ext_id); - awk_value_t *(*get_curfunc_param)(void *ext_id, size_t count); + /* get the number of arguments passed in function call */ + /* FIXME: Needed? Won't we pass the count in the real call? */ + size_t (*get_curfunc_arg_count)(void *ext_id); + awk_value_t *(*get_curfunc_param)(void *ext_id, size_t count); - /* functions to print messages */ - void (*fatal)(void *ext_id, const char *format, ...); - void (*warning)(void *ext_id, const char *format, ...); - void (*lintwarn)(void *ext_id, const char *format, ...); + /* functions to print messages */ + void (*fatal)(void *ext_id, const char *format, ...); + void (*warning)(void *ext_id, const char *format, ...); + void (*lintwarn)(void *ext_id, const char *format, ...); - /* register an open hook; for opening files read-only */ - int (*register_open_hook)(void *ext_id, - void* (*open_func)(IOBUF *)); + /* register an open hook; for opening files read-only */ + int (*register_open_hook)(void *ext_id, + void* (*open_func)(IOBUF *)); - /* functions to update ERRNO */ - void (*update_ERRNO_int)(void *ext_id, int); - void (*update_ERRNO_string)(void *ext_id, const char *string, - int translate); - void (*unset_ERRNO)(void *ext_id); + /* functions to update ERRNO */ + void (*update_ERRNO_int)(void *ext_id, int); + void (*update_ERRNO_string)(void *ext_id, const char *string, + int translate); + void (*unset_ERRNO)(void *ext_id); - /* check if a value received from gawk is the null string */ - int (*is_null_string)(void *ext_id, void *value); + /* check if a value received from gawk is the null string */ + int (*is_null_string)(void *ext_id, void *value); - /* add a function to the interpreter */ - int *(add_ext_func)(void *ext_id, const awk_ext_func_t *func); + /* add a function to the interpreter */ + int *(add_ext_func)(void *ext_id, const awk_ext_func_t *func); - /* add an exit call back */ - void (*awk_atexit)(void *ext_id, void (*funcp)(void *data, int exit_status), void *arg0); + /* add an exit call back */ + void (*awk_atexit)(void *ext_id, void (*funcp)(void *data, int exit_status), void *arg0); - /* Symbol table access */ - awk_value_t *(*sym_lookup)(void *ext_id, const char *name); - int (*sym_update)(void *ext_id, const char *name, awk_value_t *value); - int (*sym_remove)(void *ext_id, const char *name); + /* Symbol table access */ + awk_value_t *(*sym_lookup)(void *ext_id, const char *name); + int (*sym_update)(void *ext_id, const char *name, awk_value_t *value); + int (*sym_remove)(void *ext_id, const char *name); - /* Array management */ - awk_value_t *(*get_array_element)(void *ext_id, void *a_cookie, const awk_value_t* const index); - awk_value_t *(*set_array_element)(void *ext_id, void *a_cookie, - const awk_value_t* const index, const awk_value_t* const value); - awk_value_t *(*del_array_element)(void *ext_id, void *a_cookie, const awk_value_t* const index); - size_t (*get_element_count)(void *ext_id, void *a_cookie); + /* Array management */ + awk_value_t *(*get_array_element)(void *ext_id, void *a_cookie, const awk_value_t* const index); + awk_value_t *(*set_array_element)(void *ext_id, void *a_cookie, + const awk_value_t* const index, const awk_value_t* const value); + awk_value_t *(*del_array_element)(void *ext_id, void *a_cookie, const awk_value_t* const index); + size_t (*get_element_count)(void *ext_id, void *a_cookie); - } gawk_api_t; +} gawk_api_t; #ifndef GAWK /* these are not for the gawk code itself */ - /* - * Use these if you want to define a "global" variable named api - * to make the code a little easier to read. - */ +/* + * Use these if you want to define a "global" variable named api + * to make the code a little easier to read. + */ #define do_lint api->do_flags[gawk_do_lint] #define do_traditional api->do_flags[gawk_do_traditional] #define do_profile api->do_flags[gawk_do_profile] |