/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2003 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * awk -- common header file. * * Copyright 1986, 1994 by Mortice Kern Systems Inc. All rights reserved. * * This version uses the POSIX.2 compatible routines. * * Based on MKS awk(1) ported to be /usr/xpg4/bin/awk with POSIX/XCU4 changes * */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include #include #include #include #include #include #include #include #define YYMAXDEPTH 300 /* Max # of productions (used by yacc) */ #define YYSSIZE 300 /* Size of State/Value stacks (MKS YACC) */ #define MAXDIGINT 19 /* Number of digits in an INT */ #define FNULL ((FILE *)0) #define NNULL ((NODE *)0) #define SNULL ((STRING)0) #define LARGE INT_MAX /* Large integer */ #define NPFILE 32 /* Number of -[fl] options allowed */ #define NRECUR 3000 /* Maximum recursion depth */ #define M_LDATA 1 #ifdef M_LDATA # define NLINE 20000 /* Longest input record */ # define NFIELD 4000 /* Number of fields allowed */ # define NBUCKET 1024 /* # of symtab buckets (power of 2) */ #else # define NLINE 2048 /* Longest input record */ # define NFIELD 1024 /* Number of fields allowed */ # define NBUCKET 256 /* # of symtab buckets (power of 2) */ #endif #define NSNODE 40 /* Number of cached nodes */ #define NCONTEXT 50 /* Amount of context for error msgs */ #define hashbuck(n) ((n)&(NBUCKET-1)) #if BSD /* * A speedup for BSD. Use their routines which are * already optimised. Note that BSD bcopy does not * return a value. */ int bcmp(); #define memcmp(b1,b2,n) bcmp(b1,b2,n) void bcopy(); #define memcpy(b1,b2,n) bcopy(b2,b1,(int)n) #endif /*BSD*/ #define vlook(n) vlookup(n, 0) /* * Basic AWK internal types. */ typedef double REAL; typedef long long INT; typedef wchar_t *STRING; typedef struct NODE *(*FUNCTION)(struct NODE * np); typedef regex_t *REGEXP; /* * Node in the AWK interpreter expression tree. */ typedef struct NODE { ushort n_type; struct NODE *n_next; /* Symbol table/PARM link */ ushort n_flags; /* Node flags, type */ union { struct { ushort N_hash; /* Full hash value */ struct NODE *N_alink; /* Array link */ union { struct { STRING N_string; size_t N_strlen; } n_str; INT N_int; REAL N_real; FUNCTION N_function; struct NODE *N_ufunc; } n_tun; wchar_t N_name[1]; } n_term; struct { struct NODE *N_left; struct NODE *N_right; ushort N_lineno; } n_op; struct { struct NODE *N_left; /* Used for fliplist */ struct NODE *N_right; REGEXP N_regexp; /* Regular expression */ } n_re; } n_un; } NODE; /* * Definitions to make the node access much easier. */ #define n_hash n_un.n_term.N_hash /* full hash value is sym tbl */ #define n_scope n_un.n_term.N_hash /* local variable scope level */ #define n_alink n_un.n_term.N_alink /* link to array list */ #define n_string n_un.n_term.n_tun.n_str.N_string #define n_strlen n_un.n_term.n_tun.n_str.N_strlen #define n_int n_un.n_term.n_tun.N_int #define n_real n_un.n_term.n_tun.N_real #define n_function n_un.n_term.n_tun.N_function #define n_ufunc n_un.n_term.n_tun.N_ufunc #define n_name n_un.n_term.N_name #define n_left n_un.n_op.N_left #define n_right n_un.n_op.N_right #define n_lineno n_un.n_op.N_lineno #define n_keywtype n_un.n_op.N_lineno #define n_regexp n_un.n_re.N_regexp /* * Compress the types that are actually used in the final tree * to save space in the intermediate file. Allows 1 byte to * represent all types */ /* * n_flags bit assignments. */ #define FALLOC 0x01 /* Allocated node */ #define FSTATIC 0x00 /* Not allocated */ #define FMATCH 0x02 /* pattern,pattern (first part matches) */ #define FSPECIAL 0x04 /* Special pre-computed variable */ #define FINARRAY 0x08 /* NODE installed in N_alink array list */ #define FNOALLOC 0x10 /* mark node FALLOC, but don't malloc */ #define FSENSE 0x20 /* Sense if string looks like INT/REAL */ #define FSAVE (FSPECIAL|FINARRAY) /* assign leaves on */ #define FINT 0x40 /* Node has integer type */ #define FREAL 0x80 /* Node has real type */ #define FSTRING 0x100 /* Node has string type */ #define FNONTOK 0x200 /* Node has non-token type */ #define FVINT 0x400 /* Node looks like an integer */ #define FVREAL 0x800 /* Node looks like a real number */ #define FLARRAY 0x1000 /* Local array node */ /* * n_flags macros * These work when given an argument of np->n_flags */ #define isleaf(f) (!((f)&FNONTOK)) #define isstring(f) ((f)&FSTRING) #define isastring(f) (((f)&(FSTRING|FALLOC))==(FSTRING|FALLOC)) #define isnumber(f) ((f)&(FINT|FVINT|FREAL|FVREAL)) #define isreal(f) ((f)&(FREAL|FVREAL)) #define isint(f) ((f)&(FINT|FVINT)) /* * Prototype file size is defined in awksize.h */ /* * Awkrun prototype default name */ #if defined(DOS) # if defined(__386__) # define AWK_PROTOTYPE M_ETCDIR(awkrunf.dos) # define AWK_LPROTOTYPE M_ETCDIR(awkrunf.dos) # else # define AWK_PROTOTYPE M_ETCDIR(awkrun.dos) # define AWK_LPROTOTYPE M_ETCDIR(awkrunl.dos) # endif #elif defined(OS2) # define AWK_PROTOTYPE M_ETCDIR(awkrun.os2) #elif defined(NT) # define AWK_PROTOTYPE M_ETCDIR(awkrun.nt) #else # define AWK_PROTOTYPE M_ETCDIR(awkrun.mod) #endif /* * This is a kludge that gets around a bug in compact & large * models under DOS. It also makes the generated * code faster even if there wasn't a bug. UNIX people: try * to ignore these noisy "near" declarations. */ #ifndef DOS #define near #endif typedef wchar_t near *LOCCHARP; /* pointer to local strings */ /* * Form of builtin symbols * This should be a union because only one of r_ivalue * and r_svalue is needed, but (alas) unions cannot be * initialised. */ typedef struct RESERVED { LOCCHARP r_name; int r_type; /* Type of node */ INT r_ivalue; /* Integer value or wcslen(r_svalue) */ STRING r_svalue; /* String value */ } RESERVED; /* * Table of builtin functions. */ typedef struct RESFUNC { LOCCHARP rf_name; int rf_type; /* FUNC || GETLINE */ FUNCTION rf_func; /* Function pointer */ } RESFUNC; /* * Structure holding list of open files. */ typedef struct OFILE { ushort f_mode; /* Open mode: WRITE, APPEND, PIPE */ FILE *f_fp; /* File pointer if open */ char *f_name; /* Remembered file name */ } OFILE; /* Global functions -- awk.y */ int yyparse(void); /* Global functions -- awk1.c */ #ifdef __WATCOMC__ # pragma aux yyerror aborts; # pragma aux awkerr aborts; # pragma aux awkperr aborts; #endif void yyerror(char *msg, ...); void awkerr(char *fmt, ...); void awkperr(char *fmt, ...); void uexit(NODE *); int yylex(void); NODE *renode(wchar_t *restr); wchar_t *emalloc(unsigned); wchar_t *erealloc(wchar_t *, unsigned); /* Global functions -- awk2.c */ void awk(void); void dobegin(void); void doend(int status); int nextrecord(wchar_t *buf, FILE *fp); wchar_t *defrecord(wchar_t *bp, int lim, FILE *fp); wchar_t *charrecord(wchar_t *bp, int lim, FILE *fp); wchar_t *multirecord(wchar_t *bp, int lim, FILE *fp); wchar_t *whitefield(wchar_t **endp); wchar_t *blackfield(wchar_t **endp); wchar_t *refield(wchar_t **endp); void s_print(NODE *np); void s_prf(NODE *np); size_t xprintf(NODE *np, FILE *fp, wchar_t **cp); void awkclose(OFILE *op); /* Global functions -- awk3.c */ void strassign(NODE *np, STRING string, int flags, size_t length); NODE *nassign(NODE *np, NODE *value); NODE *assign(NODE *np, NODE *value); void delarray(NODE *np); NODE *node(int type, NODE *left, NODE *right); NODE *intnode(INT i); NODE *realnode(REAL r); NODE *stringnode(STRING str, int aflag, size_t wcslen); NODE *vlookup(wchar_t *name, int nocreate); NODE *emptynode(int type, size_t nlength); void freenode(NODE *np); void execute(NODE *np); INT exprint(NODE *np); REAL exprreal(NODE *np); STRING exprstring(NODE *np); STRING strsave(wchar_t *string); NODE *exprreduce(NODE *np); NODE *getlist(NODE **npp); NODE *symwalk(int *buckp, NODE **npp); REGEXP getregexp(NODE *np); void addsymtab(NODE *np); void delsymtab(NODE *np, int fflag); NODE * finstall(LOCCHARP name, FUNCTION f, int type); void kinstall(LOCCHARP name, int type); void fieldsplit(void); void promote(NODE *); /* Global functions -- awk4.c */ NODE *f_exp(NODE *np); NODE *f_int(NODE *np); NODE *f_log(NODE *np); NODE *f_sqrt(NODE *np); NODE *f_getline(NODE *np); NODE *f_index(NODE *np); NODE *f_length(NODE *np); NODE *f_split(NODE *np); NODE *f_sprintf(NODE *np); NODE *f_substr(NODE *np); NODE *f_rand(NODE *np); NODE *f_srand(NODE *np); NODE *f_sin(NODE *np); NODE *f_cos(NODE *np); NODE *f_atan2(NODE *np); NODE *f_sub(NODE *np); NODE *f_gsub(NODE *np); NODE *f_match(NODE *np); NODE *f_system(NODE *np); NODE *f_ord(NODE *np); NODE *f_tolower(NODE *np); NODE *f_toupper(NODE *np); NODE *f_close(NODE *np); NODE *f_asort(NODE *np); /* In awk0.c */ extern wchar_t _null[]; extern char r[]; extern char w[]; extern wchar_t s_OFMT[]; extern wchar_t s_CONVFMT[]; extern wchar_t s_NR[]; extern wchar_t s_NF[]; extern wchar_t s_OFS[]; extern wchar_t s_ORS[]; extern wchar_t s_RS[]; extern wchar_t s_FS[]; extern wchar_t s_FNR[]; extern wchar_t s_SUBSEP[]; extern wchar_t s_ARGC[], s_ARGV[], s_ENVIRON[]; extern wchar_t s_FILENAME[], s_SYMTAB[]; extern wchar_t s_BEGIN[], s_END[], s_next[]; extern wchar_t _begin[], _end[]; extern wchar_t s_exp[], s_getline[], s_index[], s_int[], s_length[], s_log[]; extern wchar_t s_split[], s_sprintf[], s_sqrt[], s_substr[]; extern wchar_t s_rand[], s_srand[], s_sin[], s_cos[], s_atan2[]; extern wchar_t s_sub[], s_gsub[], s_match[], s_system[], s_ord[]; extern wchar_t s_toupper[], s_tolower[], s_asort[]; extern wchar_t s_close[]; extern wchar_t redelim; extern unsigned char inprint; extern unsigned char funparm; extern unsigned char splitdone; extern uint_t npattern; extern uint_t nfield; extern uint_t fcount; extern uint_t phase; extern uint_t running; extern uchar_t catterm; extern uint_t lexlast; extern uint_t lineno; extern uchar_t needsplit, needenviron, doing_begin, begin_getline; extern ushort slevel; extern ushort loopexit; extern wchar_t radixpoint; extern REGEXP resep; extern RESERVED reserved[]; extern RESFUNC resfuncs[]; extern long NIOSTREAM; /* Maximum open I/O streams */ extern OFILE *ofiles; extern wchar_t *linebuf; extern size_t lbuflen; extern char interr[]; extern char nomem[]; extern NODE *symtab[NBUCKET]; extern NODE *yytree; extern NODE *freelist; extern wchar_t *(*awkrecord)(wchar_t *, int, FILE *); extern wchar_t *(*awkfield)(wchar_t **); extern NODE *constant; extern NODE *const0; extern NODE *const1; extern NODE *constundef; extern NODE *field0; extern NODE *incNR; extern NODE *incFNR; extern NODE *clrFNR; extern NODE *ARGVsubi; extern NODE *varNR; extern NODE *varFNR; extern NODE *varNF; extern NODE *varOFMT; extern NODE *varCONVFMT; extern NODE *varOFS; extern NODE *varORS; extern NODE *varFS; extern NODE *varRS; extern NODE *varARGC; extern NODE *varSUBSEP; extern NODE *varENVIRON; extern NODE *varSYMTAB; extern NODE *varFILENAME; extern NODE *curnode; extern NODE *inc_oper; extern NODE *asn_oper; extern char *mbunconvert(wchar_t *); extern wchar_t *mbstowcsdup(char *); extern char *wcstombsdup(wchar_t *); extern void awkerr(char *, ...); /* * The following defines the expected max length in chars of a printed number. * This should be the longest expected size for any type of number * ie. float, long etc. This number is used to calculate the approximate * number of chars needed to hold the number. */ #ifdef M_NUMSIZE #define NUMSIZE M_NUMSIZE #else #define NUMSIZE 30 #endif #define M_MB_L(s) L##s #ifdef __STDC__ #define ANSI(x) x #define _VOID void /* Used in VOID *malloc() */ #else #define const #define signed #define volatile #define ANSI(x) () #define _VOID char /* Used in _VOID *malloc() */ #endif #define isWblank(x) (((x) == ' ' || (x) == '\t') ? 1 : 0 ) /* * Wide character version of regular expression functions. */ #define REGWMATCH_T int_regwmatch_t #define REGWCOMP int_regwcomp #define REGWEXEC int_regwexec #define REGWDOSUBA int_regwdosuba typedef struct { const wchar_t *rm_sp, *rm_ep; regoff_t rm_so, rm_eo; } int_regwmatch_t; extern int int_regwcomp(regex_t *, const wchar_t *, int); extern int int_regwexec(const regex_t *, const wchar_t *, size_t, int_regwmatch_t *, int); extern int int_regwdosuba(regex_t *, const wchar_t *, const wchar_t *, wchar_t **, int, int *);