diff options
Diffstat (limited to 'awk.h')
| -rw-r--r-- | awk.h | 859 |
1 files changed, 539 insertions, 320 deletions
@@ -3,7 +3,7 @@ */ /* - * Copyright (C) 1986, 1988, 1989, 1991-2011 the Free Software Foundation, Inc. + * Copyright (C) 1986, 1988, 1989, 1991-2014 the Free Software Foundation, Inc. * * This file is part of GAWK, the GNU implementation of the * AWK Programming Language. @@ -30,6 +30,15 @@ * any system headers. Otherwise, extreme death, destruction * and loss of life results. */ +#if defined(_TANDEM_SOURCE) +/* + * config.h forces this even on non-tandem systems but it + * causes problems elsewhere if used in the check below. + * so workaround it. bleah. + */ +#define tandem_for_real 1 +#endif + #ifdef HAVE_CONFIG_H #include <config.h> #endif @@ -38,7 +47,7 @@ #define _GNU_SOURCE 1 /* enable GNU extensions */ #endif /* _GNU_SOURCE */ -#if defined(_TANDEM_SOURCE) && ! defined(_SCO_DS) +#if defined(tandem_for_real) && ! defined(_SCO_DS) #define _XOPEN_SOURCE_EXTENDED 1 #endif @@ -76,13 +85,21 @@ extern int errno; #endif -#include "mbsupport.h" /* defines MBS_SUPPORT */ +#ifdef STDC_HEADERS +#include <stdlib.h> +#endif /* not STDC_HEADERS */ + +#ifdef HAVE_STDBOOL_H +#include <stdbool.h> +#else +#include "missing_d/gawkbool.h" +#endif -#if MBS_SUPPORT /* We can handle multibyte strings. */ #include <wchar.h> #include <wctype.h> -#endif + +#include "mbsupport.h" /* defines stuff for DJGPP to fake MBS */ #ifdef STDC_HEADERS #include <float.h> @@ -98,14 +115,22 @@ extern int errno; #if HAVE_STDINT_H # include <stdint.h> #endif +#else /* ZOS_USS */ +#include <limits.h> +#include <sys/time.h> +#define INT32_MAX INT_MAX +#define INT32_MIN INT_MIN +#ifndef __uint32_t +#define __uint32_t 1 +typedef unsigned long uint32_t; +#endif +typedef long int32_t; #endif /* !ZOS_USS */ /* ----------------- System dependencies (with more includes) -----------*/ /* This section is the messiest one in the file, not a lot that can be done */ -#define MALLOC_ARG_T size_t - #ifndef VMS #ifdef HAVE_FCNTL_H #include <fcntl.h> @@ -127,14 +152,6 @@ typedef int off_t; # endif #endif /* VMS */ -#if ! defined(S_ISREG) && defined(S_IFREG) -#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) -#endif - -#ifdef STDC_HEADERS -#include <stdlib.h> -#endif /* not STDC_HEADERS */ - #include "protos.h" #ifdef HAVE_STRING_H @@ -161,18 +178,10 @@ typedef int off_t; #define O_BINARY 0 #endif -#ifndef HAVE_VPRINTF -#error "you lose: you need a system with vfprintf" -#endif /* HAVE_VPRINTF */ - #ifndef HAVE_SETLOCALE #define setlocale(locale, val) /* nothing */ #endif /* HAVE_SETLOCALE */ -#ifndef HAVE_SETSID -#define setsid() /* nothing */ -#endif /* HAVE_SETSID */ - #if HAVE_MEMCPY_ULONG extern char *memcpy_ulong(char *dest, const char *src, unsigned long l); #define memcpy memcpy_ulong @@ -182,18 +191,27 @@ extern void *memset_ulong(void *dest, int val, unsigned long l); #define memset memset_ulong #endif -#ifdef HAVE_LIBSIGSEGV -#include <sigsegv.h> -#else -typedef void *stackoverflow_context_t; -#define sigsegv_install_handler(catchsegv) signal(SIGSEGV, catchsig) -/* define as 0 rather than empty so that (void) cast on it works */ -#define stackoverflow_install_handler(catchstackoverflow, extra_stack, STACK_SIZE) 0 -#endif +#if defined(__EMX__) || defined(__MINGW32__) +#include "nonposix.h" +#endif /* defined(__EMX__) || defined(__MINGW32__) */ /* use this as lintwarn("...") this is a hack but it gives us the right semantics */ #define lintwarn (*(set_loc(__FILE__, __LINE__),lintfunc)) +/* same thing for warning */ +#define warning (*(set_loc(__FILE__, __LINE__),r_warning)) + +#ifdef HAVE_MPFR +#include <gmp.h> +#include <mpfr.h> +#ifndef MPFR_RNDN +/* for compatibility with MPFR 2.X */ +#define MPFR_RNDN GMP_RNDN +#define MPFR_RNDZ GMP_RNDZ +#define MPFR_RNDU GMP_RNDU +#define MPFR_RNDD GMP_RNDD +#endif +#endif #include "regex.h" #include "dfa.h" @@ -204,6 +222,8 @@ typedef struct Regexp { short dfa; short has_anchor; /* speed up of avoid_dfa kludge, temporary */ short non_empty; /* for use in fpat_parse_field */ + short has_meta; /* re has meta chars so (probably) isn't simple string */ + short maybe_long; /* re has meta chars that can match long text */ } Regexp; #define RESTART(rp,s) (rp)->regs.start[0] #define REEND(rp,s) (rp)->regs.end[0] @@ -215,6 +235,8 @@ typedef struct Regexp { #define RE_NEED_START 1 /* need to know start/end of match */ #define RE_NO_BOL 2 /* not allowed to match ^ in regexp */ +#include "gawkapi.h" + /* Stuff for losing systems. */ #if !defined(HAVE_STRTOD) extern double gawk_strtod(); @@ -239,25 +261,10 @@ extern double gawk_strtod(); #define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3) #endif /* ATTRIBUTE_PRINTF */ -/* We use __extension__ in some places to suppress -pedantic warnings - about GCC extensions. This feature didn't work properly before - gcc 2.8. */ -#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) -#define __extension__ -#endif - /* ------------------ Constants, Structures, Typedefs ------------------ */ #define AWKNUM double -#ifndef TRUE -/* a bit hackneyed, but what the heck */ -#define TRUE 1 -#define FALSE 0 -#endif - -#define INT32_BIT 32 - enum defrule { BEGIN = 1, Rule, END, BEGINFILE, ENDFILE, MAXRULE /* sentinel, not legal */ }; extern const char *const ruletab[]; @@ -278,8 +285,9 @@ typedef enum nodevals { Node_param_list, /* lnode is a variable, rnode is more list */ Node_func, /* lnode is param. list, rnode is body */ Node_ext_func, /* extension function, code_ptr is builtin code */ + Node_old_ext_func, /* extension function, code_ptr is builtin code */ + Node_builtin_func, /* built-in function, main use is for FUNCTAB */ - Node_hashnode, /* an identifier in the symbol table */ Node_array_ref, /* array passed by ref as parameter */ Node_array_tree, /* Hashed array tree (HAT) */ Node_array_leaf, /* Linear 1-D array */ @@ -329,7 +337,7 @@ typedef union bucket_item { struct exp_instruction; typedef int (*Func_print)(FILE *, const char *, ...); -typedef struct exp_node **(*array_ptr)(struct exp_node *, struct exp_node *); +typedef struct exp_node **(*afunc_t)(struct exp_node *, struct exp_node *); /* * NOTE - this struct is a rather kludgey -- it is packed to minimize @@ -342,13 +350,14 @@ typedef struct exp_node { struct exp_node *lptr; struct exp_instruction *li; long ll; - array_ptr *lp; + afunc_t *lp; } l; union { struct exp_node *rptr; Regexp *preg; struct exp_node **av; BUCKET **bv; + void *aq; void (*uptr)(void); struct exp_instruction *iptr; } r; @@ -369,17 +378,23 @@ typedef struct exp_node { } nodep; struct { +#ifdef HAVE_MPFR + union { + AWKNUM fltnum; + mpfr_t mpnum; + mpz_t mpi; + } nm; +#else AWKNUM fltnum; /* this is here for optimal packing of * the structure on many machines */ +#endif char *sp; size_t slen; long sref; int idx; -#if MBS_SUPPORT wchar_t *wsp; size_t wslen; -#endif } val; } sub; NODETYPE type; @@ -402,12 +417,16 @@ typedef struct exp_node { * lazy conversion to string. */ # define WSTRCUR 0x0400 /* wide str value is current */ +# define MPFN 0x0800 /* arbitrary-precision floating-point number */ +# define MPZN 0x1000 /* arbitrary-precision integer */ +# define NO_EXT_SET 0x2000 /* extension cannot set a value for this variable */ +# define NULL_FIELD 0x4000 /* this is the null field */ /* type = Node_var_array */ -# define ARRAYMAXED 0x0800 /* array is at max size */ -# define HALFHAT 0x1000 /* half-capacity Hashed Array Tree; +# define ARRAYMAXED 0x8000 /* array is at max size */ +# define HALFHAT 0x10000 /* half-capacity Hashed Array Tree; * See cint_array.c */ -# define XARRAY 0x2000 /* FIXME: Nuke */ +# define XARRAY 0x20000 } NODE; #define vname sub.nodep.name @@ -416,17 +435,12 @@ typedef struct exp_node { #define nextp sub.nodep.l.lptr #define rnode sub.nodep.r.rptr -/* Node_hashnode, Node_param_list */ -#define hnext sub.nodep.r.rptr -#define hname vname -#define hlength sub.nodep.reserved -#define hcode sub.nodep.cnt -#define hvalue sub.nodep.x.extra +/* Node_param_list */ +#define param vname +#define dup_ent sub.nodep.r.rptr /* Node_param_list, Node_func */ #define param_cnt sub.nodep.l.ll -/* Node_param_list */ -#define param vname /* Node_func */ #define fparms sub.nodep.rn @@ -446,7 +460,13 @@ typedef struct exp_node { #define stfmt sub.val.idx #define wstptr sub.val.wsp #define wstlen sub.val.wslen -#define numbr sub.val.fltnum +#ifdef HAVE_MPFR +#define mpg_numbr sub.val.nm.mpnum +#define mpg_i sub.val.nm.mpi +#define numbr sub.val.nm.fltnum +#else +#define numbr sub.val.fltnum +#endif /* Node_arrayfor */ #define for_list sub.nodep.r.av @@ -469,6 +489,7 @@ typedef struct exp_node { /* Node_var_array: */ #define buckets sub.nodep.r.bv #define nodes sub.nodep.r.av +#define a_opaque sub.nodep.r.aq #define array_funcs sub.nodep.l.lp #define array_base sub.nodep.l.ll #define table_size sub.nodep.reflags @@ -477,17 +498,29 @@ typedef struct exp_node { #define xarray sub.nodep.rn #define parent_array sub.nodep.x.extra -/* array_funcs[0] is the array initialization function and - * array_funcs[1] is the index type checking function - */ -#define alookup array_funcs[2] -#define aexists array_funcs[3] -#define aclear array_funcs[4] -#define aremove array_funcs[5] -#define alist array_funcs[6] -#define acopy array_funcs[7] -#define adump array_funcs[8] -#define NUM_AFUNCS 9 /* # of entries in array_funcs */ +#define ainit array_funcs[0] +#define ainit_ind 0 +#define atypeof array_funcs[1] +#define atypeof_ind 1 +#define alength array_funcs[2] +#define alength_ind 2 +#define alookup array_funcs[3] +#define alookup_ind 3 +#define aexists array_funcs[4] +#define aexists_ind 4 +#define aclear array_funcs[5] +#define aclear_ind 5 +#define aremove array_funcs[6] +#define aremove_ind 6 +#define alist array_funcs[7] +#define alist_ind 7 +#define acopy array_funcs[8] +#define acopy_ind 8 +#define adump array_funcs[9] +#define adump_ind 9 +#define astore array_funcs[10] +#define astore_ind 10 +#define NUM_AFUNCS 11 /* # of entries in array_funcs */ /* Node_array_ref: */ #define orig_array lnode @@ -497,6 +530,11 @@ typedef struct exp_node { #define adepth sub.nodep.l.ll #define alevel sub.nodep.x.xl +/* Op_comment */ +#define comment_type sub.val.idx +#define EOL_COMMENT 1 +#define FULL_COMMENT 2 + /* --------------------------------lint warning types----------------------------*/ typedef enum lintvals { LINT_illegal, @@ -595,6 +633,7 @@ typedef enum opcodeval { Op_builtin, Op_sub_builtin, /* sub, gsub and gensub */ Op_ext_builtin, + Op_old_ext_builtin, /* temporary */ Op_in_array, /* boolean test of membership in array */ /* function call instruction */ @@ -602,7 +641,7 @@ typedef enum opcodeval { Op_indirect_func_call, Op_push, /* scalar variable */ - Op_push_arg, /* variable type (scalar or array) argument to built-in */ + Op_push_arg, /* variable type (scalar or array) argument to built-in */ Op_push_i, /* number, string */ Op_push_re, /* regex */ Op_push_array, @@ -624,11 +663,13 @@ typedef enum opcodeval { Op_var_update, /* update value of NR, NF or FNR */ Op_var_assign, Op_field_assign, + Op_subscript_assign, Op_after_beginfile, Op_after_endfile, Op_func, + Op_comment, /* for pretty printing */ Op_exec_count, Op_breakpoint, Op_lint, @@ -655,7 +696,8 @@ typedef enum opcodeval { enum redirval { /* I/O redirections */ - redirect_output = 1, + redirect_none = 0, + redirect_output, redirect_append, redirect_pipe, redirect_pipein, @@ -671,6 +713,7 @@ typedef struct exp_instruction { NODE *dn; struct exp_instruction *di; NODE *(*fptr)(int); + awk_value_t *(*efptr)(int, awk_value_t *); long dl; char *name; } d; @@ -691,6 +734,7 @@ typedef struct exp_instruction { #define memory d.dn #define builtin d.fptr +#define extfunc d.efptr #define builtin_idx d.dl #define expr_count x.xl @@ -835,11 +879,8 @@ typedef struct exp_instruction { /* Op_store_var */ #define initval x.xn - typedef struct iobuf { - const char *name; /* filename */ - int fd; /* file descriptor */ - struct stat sbuf; /* stat buf */ + awk_input_buf_t public; /* exposed to extensions */ char *buf; /* start data buffer */ char *off; /* start of current record in buffer */ char *dataend; /* first byte in buffer to hold new data, @@ -850,19 +891,14 @@ typedef struct iobuf { ssize_t count; /* amount read last time */ size_t scanoff; /* where we were in the buffer when we had to regrow/refill */ - - 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 */ - + bool valid; 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 +# define IOP_AT_EOF 2 +# define IOP_CLOSED 4 +# define IOP_AT_START 8 } IOBUF; typedef void (*Func_ptr)(void); @@ -883,7 +919,6 @@ struct redirect { # define RED_SOCKET 1024 # define RED_TCP 2048 char *value; - FILE *fp; FILE *ifp; /* input fp, needed for PIPES_SIMULATED */ IOBUF *iop; int pid; @@ -891,6 +926,16 @@ struct redirect { struct redirect *prev; struct redirect *next; const char *mode; + awk_output_buf_t output; +}; + +/* values for BINMODE, used as bit flags */ + +enum binmode_values { + TEXT_TRANSLATE = 0, /* usual \r\n ---> \n translation */ + BINMODE_INPUT = 1, /* no translation for input files */ + BINMODE_OUTPUT = 2, /* no translation for output files */ + BINMODE_BOTH = 3 /* no translation for either */ }; /* @@ -901,8 +946,14 @@ typedef struct srcfile { struct srcfile *next; struct srcfile *prev; - enum srctype { SRC_CMDLINE = 1, SRC_STDIN, SRC_FILE, SRC_INC } stype; - char *src; /* name on command line or inclde statement */ + enum srctype { + SRC_CMDLINE = 1, + SRC_STDIN, + SRC_FILE, + SRC_INC, + SRC_EXTLIB + } stype; + char *src; /* name on command line or include statement */ char *fullpath; /* full path after AWKPATH search */ time_t mtime; struct stat sbuf; @@ -913,6 +964,8 @@ typedef struct srcfile { int fd; int maxlen; /* size of the longest line */ + void (*fini_func)(); /* dynamic extension of type SRC_EXTLIB */ + char *lexptr; char *lexend; char *lexeme; @@ -951,6 +1004,8 @@ enum block_id { BLOCK_MAX /* count */ }; +typedef int (*Func_pre_exec)(INSTRUCTION **); +typedef void (*Func_post_exec)(INSTRUCTION *); #ifndef LONG_MAX #define LONG_MAX ((long)(~(1L << (sizeof (long) * 8 - 1)))) @@ -970,7 +1025,7 @@ extern long NR; extern long FNR; extern int BINMODE; extern int IGNORECASE; -extern int RS_is_null; +extern bool RS_is_null; extern char *OFS; extern int OFSlen; extern char *ORS; @@ -985,60 +1040,62 @@ extern NODE *FNR_node, *FS_node, *IGNORECASE_node, *NF_node; extern NODE *NR_node, *OFMT_node, *OFS_node, *ORS_node, *RLENGTH_node; extern NODE *RSTART_node, *RS_node, *RT_node, *SUBSEP_node, *PROCINFO_node; extern NODE *LINT_node, *ERRNO_node, *TEXTDOMAIN_node, *FPAT_node; +extern NODE *PREC_node, *ROUNDMODE_node; extern NODE *Nnull_string; extern NODE *Null_field; extern NODE **fields_arr; extern int sourceline; extern char *source; +extern int (*interpret)(INSTRUCTION *); /* interpreter routine */ +extern NODE *(*make_number)(double); /* double instead of AWKNUM on purpose */ +extern NODE *(*str2number)(NODE *); +extern NODE *(*format_val)(const char *, int, NODE *); +extern int (*cmp_numbers)(const NODE *, const NODE *); -#if __GNUC__ < 2 -extern NODE *_t; /* used as temporary in macros */ -#endif -extern NODE *_r; /* used as temporary in macros */ +/* built-in array types */ +extern afunc_t str_array_func[]; +extern afunc_t cint_array_func[]; +extern afunc_t int_array_func[]; extern BLOCK nextfree[]; -extern int field0_valid; +extern bool field0_valid; extern int do_flags; -/* only warn about invalid */ -#define DO_LINT_INVALID 0x0001 -/* warn about all things */ -#define DO_LINT_ALL 0x0002 -/* warn about stuff not in V7 awk */ -#define DO_LINT_OLD 0x0004 -/* no gnu extensions, add traditional weirdnesses */ -#define DO_TRADITIONAL 0x0008 -/* turn off gnu and unix extensions */ -#define DO_POSIX 0x0010 -/* dump locale-izable strings to stdout */ -#define DO_INTL 0x0020 -/* allow octal/hex C style DATA. Use with caution! */ -#define DO_NON_DEC_DATA 0x0040 -/* allow {...,...} in regexps, see resetup() */ -#define DO_INTERVALS 0x0080 -/* profile and pretty print the program */ -#define DO_PROFILING 0x0100 -/* dump all global variables at end */ -#define DO_DUMP_VARS 0x0200 -/* release vars when done */ -#define DO_TIDY_MEM 0x0400 -/* sandbox mode - disable 'system' function & redirections */ -#define DO_SANDBOX 0x0800 - +extern SRCFILE *srcfiles; /* source files */ + +enum do_flag_values { + DO_LINT_INVALID = 0x0001, /* only warn about invalid */ + DO_LINT_ALL = 0x0002, /* warn about all things */ + DO_LINT_OLD = 0x0004, /* warn about stuff not in V7 awk */ + DO_TRADITIONAL = 0x0008, /* no gnu extensions, add traditional weirdnesses */ + DO_POSIX = 0x0010, /* turn off gnu and unix extensions */ + DO_INTL = 0x0020, /* dump locale-izable strings to stdout */ + DO_NON_DEC_DATA = 0x0040, /* allow octal/hex C style DATA. Use with caution! */ + DO_INTERVALS = 0x0080, /* allow {...,...} in regexps, see resetup() */ + DO_PRETTY_PRINT = 0x0100, /* pretty print the program */ + DO_DUMP_VARS = 0x0200, /* dump all global variables at end */ + DO_TIDY_MEM = 0x0400, /* release vars when done */ + DO_SANDBOX = 0x0800, /* sandbox mode - disable 'system' function & redirections */ + DO_PROFILE = 0x1000, /* profile the program */ + DO_DEBUG = 0x2000, /* debug the program */ + DO_MPFR = 0x4000 /* arbitrary-precision floating-point math */ +}; #define do_traditional (do_flags & DO_TRADITIONAL) -#define do_posix (do_flags & DO_POSIX) -#define do_intl (do_flags & DO_INTL) +#define do_posix (do_flags & DO_POSIX) +#define do_intl (do_flags & DO_INTL) #define do_non_decimal_data (do_flags & DO_NON_DEC_DATA) #define do_intervals (do_flags & DO_INTERVALS) -#define do_profiling (do_flags & DO_PROFILING) +#define do_pretty_print (do_flags & DO_PRETTY_PRINT) +#define do_profile (do_flags & DO_PROFILE) #define do_dump_vars (do_flags & DO_DUMP_VARS) #define do_tidy_mem (do_flags & DO_TIDY_MEM) #define do_sandbox (do_flags & DO_SANDBOX) +#define do_debug (do_flags & DO_DEBUG) +#define do_mpfr (do_flags & DO_MPFR) - -extern int do_optimize; +extern bool do_optimize; extern int use_lc_numeric; extern int exit_val; @@ -1049,11 +1106,7 @@ extern int exit_val; #define do_lint (do_flags & (DO_LINT_INVALID|DO_LINT_ALL)) #define do_lint_old (do_flags & DO_LINT_OLD) #endif -#if MBS_SUPPORT extern int gawk_mb_cur_max; -#else -#define gawk_mb_cur_max (1) -#endif #if defined (HAVE_GETGROUPS) && defined(NGROUPS_MAX) && NGROUPS_MAX > 0 extern GETGROUPS_T *groupset; @@ -1064,26 +1117,30 @@ extern int ngroups; extern struct lconv loc; #endif /* HAVE_LOCALE_H */ +#ifdef HAVE_MPFR +extern mpfr_prec_t PRECISION; +extern mpfr_rnd_t ROUND_MODE; +extern mpz_t MNR; +extern mpz_t MFNR; +extern mpz_t mpzval; +extern bool do_ieee_fmt; /* emulate IEEE 754 floating-point format */ +#endif + + extern const char *myname; extern const char def_strftime_format[]; extern char quote; extern char *defpath; +extern char *deflibpath; extern char envsep; extern char casetable[]; /* for case-independent regexp matching */ -/* - * Provide a way for code to know which program is executing: - * gawk vs dgawk vs pgawk. - */ -enum exe_mode { exe_normal = 1, exe_debugging, exe_profiling }; -extern enum exe_mode which_gawk; /* (defined in eval.c) */ - /* ------------------------- Runtime stack -------------------------------- */ typedef union stack_item { - NODE *rptr; /* variable etc. */ + NODE *rptr; /* variable etc. */ NODE **lptr; /* address of a variable etc. */ } STACK_ITEM; @@ -1097,11 +1154,11 @@ extern STACK_ITEM *stack_top; #define stack_adj(n) (stack_ptr += (n)) #define stack_empty() (stack_ptr < stack_bottom) -#define POP() decr_sp()->rptr -#define POP_ADDRESS() decr_sp()->lptr -#define PEEK(n) (stack_ptr - (n))->rptr -#define TOP() stack_ptr->rptr /* same as PEEK(0) */ -#define TOP_ADDRESS() stack_ptr->lptr +#define POP() (decr_sp()->rptr) +#define POP_ADDRESS() (decr_sp()->lptr) +#define PEEK(n) ((stack_ptr - (n))->rptr) +#define TOP() (stack_ptr->rptr) /* same as PEEK(0) */ +#define TOP_ADDRESS() (stack_ptr->lptr) #define PUSH(r) (void) (incr_sp()->rptr = (r)) #define PUSH_ADDRESS(l) (void) (incr_sp()->lptr = (l)) #define REPLACE(r) (void) (stack_ptr->rptr = (r)) @@ -1118,50 +1175,56 @@ extern STACK_ITEM *stack_top; #define UPREF(r) (void) ((r)->valref++) -#define DEREF(r) ( _r = (r), (--_r->valref == 0) ? r_unref(_r) : (void)0 ) - -#if __GNUC__ >= 2 - -#define POP_ARRAY() ({ NODE *_t = POP(); \ - _t->type == Node_var_array ? _t : get_array(_t, TRUE); }) - -#define POP_PARAM() ({ NODE *_t = POP(); \ - _t->type == Node_var_array ? _t : get_array(_t, FALSE); }) - -#define POP_NUMBER(x) ({ NODE *_t = POP_SCALAR(); x = force_number(_t); DEREF(_t); }) -#define TOP_NUMBER(x) ({ NODE *_t = TOP_SCALAR(); x = force_number(_t); DEREF(_t); }) - -#define POP_SCALAR() ({ NODE *_t = POP(); _t->type != Node_var_array ? _t \ - : (fatal(_("attempt to use array `%s' in a scalar context"), array_vname(_t)), _t);}) -#define TOP_SCALAR() ({ NODE *_t = TOP(); _t->type != Node_var_array ? _t \ - : (fatal(_("attempt to use array `%s' in a scalar context"), array_vname(_t)), _t);}) - -#define POP_STRING() force_string(POP_SCALAR()) -#define TOP_STRING() force_string(TOP_SCALAR()) - -#else /* not __GNUC__ */ - -#define POP_ARRAY() (_t = POP(), \ - _t->type == Node_var_array ? _t : get_array(_t, TRUE)) - -#define POP_PARAM() (_t = POP(), \ - _t->type == Node_var_array ? _t : get_array(_t, FALSE)) - -#define POP_NUMBER(x) (_t = POP_SCALAR(), x = force_number(_t), DEREF(_t)) -#define TOP_NUMBER(x) (_t = TOP_SCALAR(), x = force_number(_t), DEREF(_t)) - -#define POP_SCALAR() (_t = POP(), _t->type != Node_var_array ? _t \ - : (fatal(_("attempt to use array `%s' in a scalar context"), array_vname(_t)), _t)) -#define TOP_SCALAR() (_t = TOP(), _t->type != Node_var_array ? _t \ - : (fatal(_("attempt to use array `%s' in a scalar context"), array_vname(_t)), _t)) +extern void r_unref(NODE *tmp); -#define POP_STRING() (_r = POP_SCALAR(), m_force_string(_r)) -#define TOP_STRING() (_r = TOP_SCALAR(), m_force_string(_r)) +static inline void +DEREF(NODE *r) +{ + if (--r->valref == 0) + r_unref(r); +} -#endif /* __GNUC__ */ +#define POP_NUMBER() force_number(POP_SCALAR()) +#define TOP_NUMBER() force_number(TOP_SCALAR()) /* ------------------------- Pseudo-functions ------------------------- */ -#define is_identchar(c) (isalnum(c) || (c) == '_') +#ifdef HAVE_MPFR +/* conversion to C types */ +#define get_number_ui(n) (((n)->flags & MPFN) ? mpfr_get_ui((n)->mpg_numbr, ROUND_MODE) \ + : ((n)->flags & MPZN) ? mpz_get_ui((n)->mpg_i) \ + : (unsigned long) (n)->numbr) +#define get_number_si(n) (((n)->flags & MPFN) ? mpfr_get_si((n)->mpg_numbr, ROUND_MODE) \ + : ((n)->flags & MPZN) ? mpz_get_si((n)->mpg_i) \ + : (long) (n)->numbr) +#define get_number_d(n) (((n)->flags & MPFN) ? mpfr_get_d((n)->mpg_numbr, ROUND_MODE) \ + : ((n)->flags & MPZN) ? mpz_get_d((n)->mpg_i) \ + : (double) (n)->numbr) +#define get_number_uj(n) (((n)->flags & MPFN) ? mpfr_get_uj((n)->mpg_numbr, ROUND_MODE) \ + : ((n)->flags & MPZN) ? (uintmax_t) mpz_get_d((n)->mpg_i) \ + : (uintmax_t) (n)->numbr) + +#define iszero(n) (((n)->flags & MPFN) ? mpfr_zero_p((n)->mpg_numbr) \ + : ((n)->flags & MPZN) ? (mpz_sgn((n)->mpg_i) == 0) \ + : ((n)->numbr == 0.0)) + +#define IEEE_FMT(r, t) (void) (do_ieee_fmt && format_ieee(r, t)) + +#define mpg_float() mpg_node(MPFN) +#define mpg_integer() mpg_node(MPZN) +#define is_mpg_float(n) (((n)->flags & MPFN) != 0) +#define is_mpg_integer(n) (((n)->flags & MPZN) != 0) +#define is_mpg_number(n) (((n)->flags & (MPZN|MPFN)) != 0) +#else +#define get_number_ui(n) (unsigned long) (n)->numbr +#define get_number_si(n) (long) (n)->numbr +#define get_number_d(n) (double) (n)->numbr +#define get_number_uj(n) (uintmax_t) (n)->numbr + +#define is_mpg_number(n) 0 +#define is_mpg_float(n) 0 +#define is_mpg_integer(n) 0 +#define iszero(n) ((n)->numbr == 0.0) +#endif #define var_uninitialized(n) ((n)->var_value == Nnull_string) @@ -1180,8 +1243,7 @@ extern STACK_ITEM *stack_top; #define getbucket(b) getblock(b, BLOCK_BUCKET, BUCKET *) #define freebucket(b) freeblock(b, BLOCK_BUCKET) -#define make_string(s, l) r_make_str_node((s), (l), 0) -#define make_str_node(s, l, f) r_make_str_node((s), (l), (f)) +#define make_string(s, l) make_str_node((s), (l), 0) #define SCAN 1 #define ALREADY_MALLOCED 2 @@ -1189,107 +1251,63 @@ extern STACK_ITEM *stack_top; #define cant_happen() r_fatal("internal error line %d, file: %s", \ __LINE__, __FILE__) -#define emalloc(var,ty,x,str) (void)((var=(ty)malloc((MALLOC_ARG_T)(x))) ||\ - (fatal(_("%s: %s: can't allocate %ld bytes of memory (%s)"),\ - (str), #var, (long) (x), strerror(errno)),0)) -#define erealloc(var,ty,x,str) (void)((var = (ty)realloc((char *)var, (MALLOC_ARG_T)(x))) \ - ||\ - (fatal(_("%s: %s: can't allocate %ld bytes of memory (%s)"),\ - (str), #var, (long) (x), strerror(errno)),0)) +#define emalloc(var,ty,x,str) (void) (var = (ty) emalloc_real((size_t)(x), str, #var, __FILE__, __LINE__)) +#define erealloc(var,ty,x,str) (void) (var = (ty) erealloc_real((void *) var, (size_t)(x), str, #var, __FILE__, __LINE__)) #define efree(p) free(p) -#ifdef GAWKDEBUG -#define force_number r_force_number -#define dupnode r_dupnode -#define unref r_unref -#define m_force_string r_force_string -extern NODE *r_force_string(NODE *s); -#else /* not GAWKDEBUG */ - -#define unref(r) ( _r = (r), (_r == NULL || --_r->valref > 0) ? \ - (void)0 : r_unref(_r) ) - -#define m_force_string(_ts) (((_ts->flags & STRCUR) && \ - (_ts->stfmt == -1 || _ts->stfmt == CONVFMTidx)) ? \ - _ts : format_val(CONVFMT, CONVFMTidx, _ts)) - -#if __GNUC__ >= 2 -#define dupnode(n) __extension__ ({ NODE *_tn = (n); \ - (_tn->flags & MALLOC) ? (_tn->valref++, _tn) : r_dupnode(_tn); }) - -#define force_number(n) __extension__ ({ NODE *_tn = (n);\ - (_tn->flags & NUMCUR) ? _tn->numbr : r_force_number(_tn); }) - -#define force_string(s) __extension__ ({ NODE *_ts = (s); m_force_string(_ts); }) - -#else /* not __GNUC__ */ -#define dupnode(n) (_t = (n), \ - (_t->flags & MALLOC) ? (_t->valref++, _t) : r_dupnode(_t)) - -#define force_number r_force_number -#define force_string(s) (_t = (s), m_force_string(_t)) -#endif /* __GNUC__ */ -#endif /* GAWKDEBUG */ - -#define STREQ(a,b) (*(a) == *(b) && strcmp((a), (b)) == 0) -#define STREQN(a,b,n) ((n) && *(a)== *(b) && \ - strncmp((a), (b), (size_t) (n)) == 0) - #define fatal set_loc(__FILE__, __LINE__), r_fatal - extern jmp_buf fatal_tag; -extern int fatal_tag_valid; +extern bool fatal_tag_valid; #define PUSH_BINDING(stack, tag, val) \ if (val++) \ memcpy((char *) (stack), (const char *) tag, sizeof(jmp_buf)) #define POP_BINDING(stack, tag, val) \ -if (--val) \ +if (--val) \ memcpy((char *) tag, (const char *) (stack), sizeof(jmp_buf)) -#define array_empty(a) ((a)->table_size == 0) -#define assoc_lookup(a, s) (a)->alookup(a, s) +#define assoc_length(a) ((*((a)->alength(a, NULL)))->table_size) +#define assoc_empty(a) (assoc_length(a) == 0) +#define assoc_lookup(a, s) ((a)->alookup(a, s)) -#if __GNUC__ >= 2 -#define in_array(a, s) ({ NODE **_l; array_empty(a) ? NULL \ - : (_l = (a)->aexists(a, s), _l ? *_l : NULL); }) -#else /* not __GNUC__ */ -#define in_array(a, s) r_in_array(a, s) -#endif /* __GNUC__ */ +/* assoc_clear --- flush all the values in symbol[] */ +#define assoc_clear(a) (void) ((a)->aclear(a, NULL)) +/* assoc_remove --- remove an index from symbol[] */ +#define assoc_remove(a, s) ((a)->aremove(a, s) != NULL) /* ------------- Function prototypes or defs (as appropriate) ------------- */ /* array.c */ -typedef enum sort_context { SORTED_IN = 1, ASORT, ASORTI } SORT_CTXT; -enum assoc_list_flags { -AINDEX = 0x01, /* list of indices */ -AVALUE = 0x02, /* list of values */ -AINUM = 0x04, /* numeric index */ -AISTR = 0x08, /* string index */ -AVNUM = 0x10, /* numeric scalar value */ -AVSTR = 0x20, /* string scalar value */ -AASC = 0x40, /* ascending order */ -ADESC = 0x80, /* descending order */ -ADELETE = 0x100, /* need a single index; for use in do_delete_loop */ -}; +typedef enum { SORTED_IN = 1, ASORT, ASORTI } sort_context_t; +typedef enum { + ANONE = 0x00, /* "unused" value */ + AINDEX = 0x001, /* list of indices */ + AVALUE = 0x002, /* list of values */ + AINUM = 0x004, /* numeric index */ + AISTR = 0x008, /* string index */ + AVNUM = 0x010, /* numeric scalar value */ + AVSTR = 0x020, /* string scalar value */ + AASC = 0x040, /* ascending order */ + ADESC = 0x080, /* descending order */ + ADELETE = 0x100 /* need a single index; for use in do_delete_loop */ +} assoc_kind_t; extern NODE *make_array(void); -extern void init_array(NODE *symbol); -extern NODE *get_array(NODE *symbol, int canfatal); +extern void null_array(NODE *symbol); +extern NODE *force_array(NODE *symbol, bool canfatal); extern const char *make_aname(const NODE *symbol); extern const char *array_vname(const NODE *symbol); extern void array_init(void); -extern int register_array_func(array_ptr *afunc); +extern int register_array_func(afunc_t *afunc); +extern NODE **null_length(NODE *symbol, NODE *subs); +extern NODE **null_afunc(NODE *symbol, NODE *subs); extern void set_SUBSEP(void); -extern NODE *concat_exp(int nargs, int do_subsep); -extern void assoc_clear(NODE *symbol); -extern NODE *r_in_array(NODE *symbol, NODE *subs); -extern int assoc_remove(NODE *symbol, NODE *subs); +extern NODE *concat_exp(int nargs, bool do_subsep); extern NODE *assoc_copy(NODE *symbol, NODE *newsymb); extern void assoc_dump(NODE *symbol, NODE *p); -extern NODE **assoc_list(NODE *symbol, const char *sort_str, SORT_CTXT sort_ctxt); +extern NODE **assoc_list(NODE *symbol, const char *sort_str, sort_context_t sort_ctxt); extern void assoc_info(NODE *subs, NODE *val, NODE *p, const char *aname); extern void do_delete(NODE *symbol, int nsubs); extern void do_delete_loop(NODE *symbol, NODE **lhs); @@ -1298,18 +1316,28 @@ extern NODE *do_aoption(int nargs); extern NODE *do_asort(int nargs); extern NODE *do_asorti(int nargs); extern unsigned long (*hash)(const char *s, size_t len, unsigned long hsize, size_t *code); +extern void init_env_array(NODE *env_node); /* awkgram.c */ extern NODE *variable(int location, char *name, NODETYPE type); extern int parse_program(INSTRUCTION **pcode); +extern void track_ext_func(const char *name); extern void dump_funcs(void); extern void dump_vars(const char *fname); extern const char *getfname(NODE *(*)(int)); +extern NODE *stopme(int nargs); extern void shadow_funcs(void); extern int check_special(const char *name); -extern SRCFILE *add_srcfile(int stype, char *src, SRCFILE *curr, int *already_included, int *errcode); -extern void register_deferred_variable(const char *name, NODE *(*load_func)(void)); +extern SRCFILE *add_srcfile(enum srctype stype, char *src, SRCFILE *curr, bool *already_included, int *errcode); +extern void free_srcfile(SRCFILE *thisfile); extern int files_are_same(char *path, SRCFILE *src); extern void valinfo(NODE *n, Func_print print_func, FILE *fp); +extern void negate_num(NODE *n); +typedef NODE *(*builtin_func_t)(int); /* function that implements a built-in */ +extern builtin_func_t lookup_builtin(const char *name); +extern void install_builtins(void); +extern bool is_alpha(int c); +extern bool is_alnum(int c); +extern bool is_identchar(int c); /* builtin.c */ extern double double_to_int(double d); extern NODE *do_exp(int nargs); @@ -1351,15 +1379,15 @@ extern AWKNUM nondec2awknum(char *str, size_t len); extern NODE *do_dcgettext(int nargs); extern NODE *do_dcngettext(int nargs); extern NODE *do_bindtextdomain(int nargs); -#if MBS_SUPPORT +extern NODE *do_div(int nargs); extern int strncasecmpmbs(const unsigned char *, const unsigned char *, size_t); -#endif /* eval.c */ extern void PUSH_CODE(INSTRUCTION *cp); extern INSTRUCTION *POP_CODE(void); -extern int interpret(INSTRUCTION *); -extern int cmp_nodes(NODE *p1, NODE *p2); +extern void init_interpret(void); +extern int cmp_nodes(NODE *t1, NODE *t2); +extern int cmp_awknums(const NODE *t1, const NODE *t2); extern void set_IGNORECASE(void); extern void set_OFS(void); extern void set_ORS(void); @@ -1368,8 +1396,9 @@ extern void set_CONVFMT(void); extern void set_BINMODE(void); extern void set_LINT(void); extern void set_TEXTDOMAIN(void); -extern void update_ERRNO(void); -extern void update_ERRNO_saved(int); +extern void update_ERRNO_int(int); +extern void update_ERRNO_string(const char *string); +extern void unset_ERRNO(void); extern void update_NR(void); extern void update_NF(void); extern void update_FNR(void); @@ -1378,28 +1407,31 @@ extern const char *flags2str(int); extern const char *genflags2str(int flagval, const struct flagtab *tab); extern const char *nodetype2str(NODETYPE type); extern void load_casetable(void); - extern AWKNUM calc_exp(AWKNUM x1, AWKNUM x2); extern const char *opcode2str(OPCODE type); extern const char *op2str(OPCODE type); -extern NODE **r_get_lhs(NODE *n, int reference); +extern NODE **r_get_lhs(NODE *n, bool reference); extern STACK_ITEM *grow_stack(void); -#ifdef PROFILING extern void dump_fcall_stack(FILE *fp); -#endif +extern int register_exec_hook(Func_pre_exec preh, Func_post_exec posth); /* ext.c */ -NODE *do_ext(int nargs); +extern NODE *do_ext(int nargs); +void load_ext(const char *lib_name); /* temporary */ +extern NODE *load_old_ext(SRCFILE *s, const char *init_func, const char *fini_func, NODE *obj); +extern void close_extensions(void); #ifdef DYNAMIC -void make_builtin(const char *, NODE *(*)(int), int); -NODE *get_argument(int); -NODE *get_actual_argument(int, int, int); -#define get_scalar_argument(i, opt) get_actual_argument((i), (opt), FALSE) -#define get_array_argument(i, opt) get_actual_argument((i), (opt), TRUE) +extern void make_old_builtin(const char *, NODE *(*)(int), int); +extern awk_bool_t make_builtin(const awk_ext_func_t *); +extern NODE *get_argument(int); +extern NODE *get_actual_argument(int, bool, bool); +#define get_scalar_argument(i, opt) get_actual_argument((i), (opt), false) +#define get_array_argument(i, opt) get_actual_argument((i), (opt), true) #endif /* field.c */ extern void init_fields(void); extern void set_record(const char *buf, int cnt); extern void reset_record(void); +extern void rebuild_record(void); extern void set_NF(void); extern NODE **get_field(long num, Func_ptr *assign); extern NODE *do_split(int nargs); @@ -1418,6 +1450,14 @@ typedef enum { } field_sep_type; extern field_sep_type current_field_sep(void); +/* gawkapi.c: */ +extern gawk_api_t api_impl; +extern void init_ext_api(void); +extern void update_ext_api(void); +extern NODE *awk_value_to_node(const awk_value_t *); +extern void run_ext_exit_handlers(int exitval); +extern void print_ext_versions(void); + /* gawkmisc.c */ extern char *gawk_name(const char *filespec); extern void os_arg_fixup(int *argcp, char ***argvp); @@ -1425,6 +1465,7 @@ extern int os_devopen(const char *name, int flag); extern void os_close_on_exec(int fd, const char *name, const char *what, const char *dir); extern int os_isatty(int fd); extern int os_isdir(int fd); +extern int os_isreadable(const awk_input_buf_t *iobuf, bool *isdir); extern int os_is_setuid(void); extern int os_setbinmode(int fd, int mode); extern void os_restore_mode(int fd); @@ -1433,62 +1474,97 @@ extern int ispath(const char *file); extern int isdirpunct(int c); /* io.c */ -extern void register_open_hook(void *(*open_func)(IOBUF *)); +extern void init_sockets(void); +extern void init_io(void); +extern void register_input_parser(awk_input_parser_t *input_parser); +extern void register_output_wrapper(awk_output_wrapper_t *wrapper); +extern void register_two_way_processor(awk_two_way_processor_t *processor); extern void set_FNR(void); extern void set_NR(void); extern struct redirect *redirect(NODE *redir_exp, int redirtype, int *errflg); extern NODE *do_close(int nargs); extern int flush_io(void); -extern int close_io(int *stdio_problem); +extern int close_io(bool *stdio_problem); extern int devopen(const char *name, const char *mode); extern int srcopen(SRCFILE *s); -extern char *find_source(const char *src, struct stat *stb, int *errcode); -extern NODE *do_getline_redir(int intovar, int redirtype); +extern char *find_source(const char *src, struct stat *stb, int *errcode, int is_extlib); +extern NODE *do_getline_redir(int intovar, enum redirval redirtype); extern NODE *do_getline(int intovar, IOBUF *iop); extern struct redirect *getredirect(const char *str, int len); -extern int inrec(IOBUF *iop, int *errcode); -extern int nextfile(IOBUF **curfile, int skipping); +extern bool inrec(IOBUF *iop, int *errcode); +extern int nextfile(IOBUF **curfile, bool skipping); /* main.c */ -extern int arg_assign(char *arg, int initing); +extern int arg_assign(char *arg, bool initing); extern int is_std_var(const char *var); +extern int is_off_limits_var(const char *var); extern char *estrdup(const char *str, size_t len); extern void update_global_values(); extern long getenv_long(const char *name); + +/* mpfr.c */ +extern void set_PREC(void); +extern void set_ROUNDMODE(void); +extern void mpfr_unset(NODE *n); +#ifdef HAVE_MPFR +extern int mpg_cmp(const NODE *, const NODE *); +extern int format_ieee(mpfr_ptr, int); +extern NODE *mpg_update_var(NODE *); +extern long mpg_set_var(NODE *); +extern NODE *do_mpfr_and(int); +extern NODE *do_mpfr_atan2(int); +extern NODE *do_mpfr_compl(int); +extern NODE *do_mpfr_cos(int); +extern NODE *do_mpfr_div(int); +extern NODE *do_mpfr_exp(int); +extern NODE *do_mpfr_int(int); +extern NODE *do_mpfr_log(int); +extern NODE *do_mpfr_lshift(int); +extern NODE *do_mpfr_or(int); +extern NODE *do_mpfr_rand(int); +extern NODE *do_mpfr_rshift(int); +extern NODE *do_mpfr_sin(int); +extern NODE *do_mpfr_sqrt(int); +extern NODE *do_mpfr_srand(int); +extern NODE *do_mpfr_strtonum(int); +extern NODE *do_mpfr_xor(int); +extern void init_mpfr(mpfr_prec_t, const char *); +extern void cleanup_mpfr(void); +extern NODE *mpg_node(unsigned int); +extern const char *mpg_fmt(const char *, ...); +extern int mpg_strtoui(mpz_ptr, char *, size_t, char **, int); +#endif /* msg.c */ extern void gawk_exit(int status); -extern void err(const char *s, const char *emsg, va_list argp) ATTRIBUTE_PRINTF(2, 0); +extern void final_exit(int status) ATTRIBUTE_NORETURN; +extern void err(bool isfatal, const char *s, const char *emsg, va_list argp) ATTRIBUTE_PRINTF(3, 0); extern void msg (const char *mesg, ...) ATTRIBUTE_PRINTF_1; extern void error (const char *mesg, ...) ATTRIBUTE_PRINTF_1; -extern void warning (const char *mesg, ...) ATTRIBUTE_PRINTF_1; +extern void r_warning (const char *mesg, ...) ATTRIBUTE_PRINTF_1; extern void set_loc (const char *file, int line); extern void r_fatal (const char *mesg, ...) ATTRIBUTE_PRINTF_1; #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2) -extern void (*lintfunc) (const char *mesg, ...) ATTRIBUTE_PRINTF_1; +extern void (*lintfunc)(const char *mesg, ...) ATTRIBUTE_PRINTF_1; #else -extern void (*lintfunc) (const char *mesg, ...); +extern void (*lintfunc)(const char *mesg, ...); #endif /* profile.c */ -extern void init_profiling(int *flag, const char *def_file); extern void init_profiling_signals(void); extern void set_prof_file(const char *filename); extern void dump_prog(INSTRUCTION *code); -extern char *pp_number(AWKNUM d); +extern char *pp_number(NODE *n); extern char *pp_string(const char *in_str, size_t len, int delim); extern char *pp_node(NODE *n); extern int pp_func(INSTRUCTION *pc, void *); extern void pp_string_fp(Func_print print_func, FILE *fp, const char *str, - size_t namelen, int delim, int breaklines); + size_t namelen, int delim, bool breaklines); /* node.c */ -extern AWKNUM r_force_number(NODE *n); -extern NODE *format_val(const char *format, int index, NODE *s); +extern NODE *r_force_number(NODE *n); +extern NODE *r_format_val(const char *format, int index, NODE *s); extern NODE *r_dupnode(NODE *n); -extern NODE *make_number(AWKNUM x); -extern NODE *r_make_str_node(const char *s, size_t len, int flags); +extern NODE *make_str_node(const char *s, size_t len, int flags); extern void *more_blocks(int id); -extern void r_unref(NODE *tmp); extern int parse_escape(const char **string_ptr); -#if MBS_SUPPORT extern NODE *str2wstr(NODE *n, size_t **ptr); extern NODE *wstr2str(NODE *n); #define force_wstring(n) str2wstr(n, NULL) @@ -1496,16 +1572,14 @@ extern const wchar_t *wstrstr(const wchar_t *haystack, size_t hs_len, const wchar_t *needle, size_t needle_len); extern const wchar_t *wcasestrstr(const wchar_t *haystack, size_t hs_len, const wchar_t *needle, size_t needle_len); -extern void free_wstr(NODE *n); +extern void r_free_wstr(NODE *n); +#define free_wstr(n) do { if ((n)->flags & WSTRCUR) r_free_wstr(n); } while(0) extern wint_t btowc_cache[]; #define btowc_cache(x) btowc_cache[(x)&0xFF] extern void init_btowc_cache(); #define is_valid_character(b) (btowc_cache[(b)&0xFF] != WEOF) -#else -#define free_wstr(NODE) /* empty */ -#endif /* re.c */ -extern Regexp *make_regexp(const char *s, size_t len, int ignorecase, int dfa, int canfatal); +extern Regexp *make_regexp(const char *s, size_t len, bool ignorecase, bool dfa, bool canfatal); extern int research(Regexp *rp, char *str, int start, size_t len, int flags); extern void refree(Regexp *rp); extern void reg_error(const char *s); @@ -1514,11 +1588,14 @@ extern void resyntax(int syntax); extern void resetup(void); extern int avoid_dfa(NODE *re, char *str, size_t len); extern int reisstring(const char *text, size_t len, Regexp *re, const char *buf); -extern int remaybelong(const char *text, size_t len); -extern int isnondecimal(const char *str, int use_locale); +extern int get_numbase(const char *str, bool use_locale); /* symbol.c */ -extern NODE *install_symbol(char *name, NODETYPE type); +extern void load_symbols(); +extern void init_symbol_table(); +extern NODE *symbol_table; +extern NODE *func_table; +extern NODE *install_symbol(const char *name, NODETYPE type); extern NODE *remove_symbol(NODE *r); extern void destroy_symbol(NODE *r); extern void release_symbols(NODE *symlist, int keep_globals); @@ -1535,27 +1612,18 @@ extern AWK_CONTEXT *new_context(void); extern void push_context(AWK_CONTEXT *ctxt); extern void pop_context(); extern int in_main_context(); -extern void free_context(AWK_CONTEXT *ctxt, int ); +extern void free_context(AWK_CONTEXT *ctxt, bool keep_globals); extern NODE **variable_list(); -extern NODE **function_list(int sort); +extern NODE **function_list(bool sort); extern void print_vars(NODE **table, Func_print print_func, FILE *fp); /* floatcomp.c */ -#ifdef VMS /* VMS linker weirdness? */ -#define Ceil gawk_ceil -#define Floor gawk_floor -#endif - -extern AWKNUM Floor(AWKNUM n); -extern AWKNUM Ceil(AWKNUM n); #ifdef HAVE_UINTMAX_T extern uintmax_t adjust_uint(uintmax_t n); #else #define adjust_uint(n) (n) #endif -#define INVALID_HANDLE (-1) - #ifdef HAVE_SYS_WAIT_H #include <sys/wait.h> #endif @@ -1581,7 +1649,6 @@ extern uintmax_t adjust_uint(uintmax_t n); /* For z/OS, from Dave Pitts. EXIT_FAILURE is normally 8, make it 1. */ #ifdef ZOS_USS -#undef DYNAMIC #ifdef EXIT_FAILURE #undef EXIT_FAILURE @@ -1589,3 +1656,155 @@ extern uintmax_t adjust_uint(uintmax_t n); #define EXIT_FAILURE 1 #endif + +/* ------------------ Inline Functions ------------------ */ + +/* + * These must come last to get all the function declarations and + * macro definitions before their bodies. + * + * This is wasteful if the compiler doesn't support inline. We won't + * worry about it until someone complains. + */ + +/* POP_ARRAY --- get the array at the top of the stack */ + +static inline NODE * +POP_ARRAY() +{ + NODE *t = POP(); + + return (t->type == Node_var_array) ? t : force_array(t, true); +} + +/* POP_PARAM --- get the top parameter, array or scalar */ + +static inline NODE * +POP_PARAM() +{ + NODE *t = POP(); + + return (t->type == Node_var_array) ? t : force_array(t, false); +} + +/* POP_SCALAR --- pop the scalar at the top of the stack */ + +static inline NODE * +POP_SCALAR() +{ + NODE *t = POP(); + + if (t->type == Node_var_array) + fatal(_("attempt to use array `%s' in a scalar context"), array_vname(t)); + + return t; +} + +/* TOP_SCALAR --- get the scalar at the top of the stack */ + +static inline NODE * +TOP_SCALAR() +{ + NODE *t = TOP(); + + if (t->type == Node_var_array) + fatal(_("attempt to use array `%s' in a scalar context"), array_vname(t)); + + return t; +} + +/* POP_STRING --- pop the string at the top of the stack */ +#define POP_STRING() force_string(POP_SCALAR()) + +/* TOP_STRING --- get the string at the top of the stack */ +#define TOP_STRING() force_string(TOP_SCALAR()) + +/* in_array --- return pointer to element in array if there */ + +static inline NODE * +in_array(NODE *a, NODE *s) +{ + NODE **ret; + + ret = a->aexists(a, s); + + return ret ? *ret : NULL; +} + +#ifdef GAWKDEBUG +#define dupnode r_dupnode +#else +/* dupnode --- up the reference on a node */ + +static inline NODE * +dupnode(NODE *n) +{ + if ((n->flags & MALLOC) != 0) { + n->valref++; + return n; + } + return r_dupnode(n); +} +#endif + +static inline NODE * +force_string(NODE *s) +{ + if ((s->flags & STRCUR) != 0 + && (s->stfmt == -1 || s->stfmt == CONVFMTidx) + ) + return s; + return format_val(CONVFMT, CONVFMTidx, s); +} + +#ifdef GAWKDEBUG +#define unref r_unref +#define force_number str2number +#else /* not GAWKDEBUG */ + +static inline void +unref(NODE *r) +{ + if (r != NULL && --r->valref <= 0) + r_unref(r); +} + +static inline NODE * +force_number(NODE *n) +{ + return (n->flags & NUMCUR) ? n : str2number(n); +} + +#endif /* GAWKDEBUG */ + +static inline void * +emalloc_real(size_t count, const char *where, const char *var, const char *file, int line) +{ + void *ret; + + if (count == 0) + fatal("%s:%d: emalloc called with zero bytes", file, line); + + ret = (void *) malloc(count); + if (ret == NULL) + fatal(_("%s:%d:%s: %s: can't allocate %ld bytes of memory (%s)"), + file, line, where, var, (long) count, strerror(errno)); + + return ret; +} + +static inline void * +erealloc_real(void *ptr, size_t count, const char *where, const char *var, const char *file, int line) +{ + void *ret; + + if (count == 0) + fatal("%s:%d: erealloc called with zero bytes", file, line); + + ret = (void *) realloc(ptr, count); + if (ret == NULL) + fatal(_("%s:%d:%s: %s: can't reallocate %ld bytes of memory (%s)"), + file, line, where, var, (long) count, strerror(errno)); + + return ret; +} |