1*5b501c92SAndrew Rist /************************************************************** 2*5b501c92SAndrew Rist * 3*5b501c92SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*5b501c92SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*5b501c92SAndrew Rist * distributed with this work for additional information 6*5b501c92SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*5b501c92SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*5b501c92SAndrew Rist * "License"); you may not use this file except in compliance 9*5b501c92SAndrew Rist * with the License. You may obtain a copy of the License at 10*5b501c92SAndrew Rist * 11*5b501c92SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*5b501c92SAndrew Rist * 13*5b501c92SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*5b501c92SAndrew Rist * software distributed under the License is distributed on an 15*5b501c92SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*5b501c92SAndrew Rist * KIND, either express or implied. See the License for the 17*5b501c92SAndrew Rist * specific language governing permissions and limitations 18*5b501c92SAndrew Rist * under the License. 19*5b501c92SAndrew Rist * 20*5b501c92SAndrew Rist *************************************************************/ 21cdf0e10cSrcweir /* $Id: cpp.h,v 1.4 2006-06-20 05:07:28 hr Exp $ */ 22cdf0e10cSrcweir 23cdf0e10cSrcweir #define INS 32768 /* input buffer */ 24cdf0e10cSrcweir #define OBS 8092 /* outbut buffer */ 25cdf0e10cSrcweir #define NARG 32 /* Max number arguments to a macro */ 26cdf0e10cSrcweir #define NINCLUDE 48 /* Max number of include directories (-I) */ 27cdf0e10cSrcweir #define NIF 64 /* depth of nesting of #if */ 28cdf0e10cSrcweir #define NINC 32 /* depth of nesting of #include */ 29cdf0e10cSrcweir 30cdf0e10cSrcweir #ifndef EOF 31cdf0e10cSrcweir #define EOF (-1) 32cdf0e10cSrcweir #endif 33cdf0e10cSrcweir 34cdf0e10cSrcweir #ifndef NULL 35cdf0e10cSrcweir #define NULL 0 36cdf0e10cSrcweir #endif 37cdf0e10cSrcweir 38cdf0e10cSrcweir typedef unsigned char uchar; 39cdf0e10cSrcweir 40cdf0e10cSrcweir enum toktype 41cdf0e10cSrcweir { 42cdf0e10cSrcweir END, UNCLASS, NAME, NUMBER, STRING, CCON, NL, WS, DSHARP, 43cdf0e10cSrcweir EQ, NEQ, LEQ, GEQ, LSH, RSH, LAND, LOR, PPLUS, MMINUS, 44cdf0e10cSrcweir ARROW, SBRA, SKET, LP, RP, DOT, AND, STAR, PLUS, MINUS, 45cdf0e10cSrcweir TILDE, NOT, SLASH, PCT, LT, GT, CIRC, OR, QUEST, 46cdf0e10cSrcweir COLON, ASGN, COMMA, SHARP, SEMIC, CBRA, CKET, 47cdf0e10cSrcweir ASPLUS, ASMINUS, ASSTAR, ASSLASH, ASPCT, ASCIRC, ASLSH, 48cdf0e10cSrcweir ASRSH, ASOR, ASAND, ELLIPS, 49cdf0e10cSrcweir DSHARP1, NAME1, NAME2, DEFINED, UMINUS, ARCHITECTURE, IDENT, 50cdf0e10cSrcweir COMMENT 51cdf0e10cSrcweir }; 52cdf0e10cSrcweir 53cdf0e10cSrcweir enum kwtype 54cdf0e10cSrcweir { 55cdf0e10cSrcweir KIF, KIFDEF, KIFNDEF, KELIF, KELSE, KENDIF, KINCLUDE, KINCLUDENEXT, 56cdf0e10cSrcweir KIMPORT, KDEFINE, KUNDEF, KLINE, KERROR, KPRAGMA, KIDENT, KDEFINED, 57cdf0e10cSrcweir KMACHINE, KLINENO, KFILE, KDATE, KTIME, KSTDC, KEVAL 58cdf0e10cSrcweir }; 59cdf0e10cSrcweir 60cdf0e10cSrcweir #define ISDEFINED 0x01 /* has #defined value */ 61cdf0e10cSrcweir #define ISKW 0x02 /* is PP keyword */ 62cdf0e10cSrcweir #define ISUNCHANGE 0x04 /* can't be #defined in PP */ 63cdf0e10cSrcweir #define ISMAC 0x08 /* builtin macro, e.g. __LINE__ */ 64cdf0e10cSrcweir #define ISARCHITECTURE 0x10 /* architecture */ 65cdf0e10cSrcweir #define ISACTIVE 0x80 /* is macro currently expanded */ 66cdf0e10cSrcweir 67cdf0e10cSrcweir #define EOB 0xFE /* sentinel for end of input buffer */ 68cdf0e10cSrcweir #define EOFC 0xFD /* sentinel for end of input file */ 69cdf0e10cSrcweir #define XPWS 1 /* token flag: white space to assure token sep. */ 70cdf0e10cSrcweir #define XTWS 2 71cdf0e10cSrcweir 72cdf0e10cSrcweir typedef struct token 73cdf0e10cSrcweir { 74cdf0e10cSrcweir unsigned char type; 75cdf0e10cSrcweir unsigned char flag; 76cdf0e10cSrcweir unsigned int wslen; 77cdf0e10cSrcweir unsigned int len; 78cdf0e10cSrcweir uchar *t; 79cdf0e10cSrcweir unsigned int identifier; /* used from macro processor to identify where a macro becomes valid again. */ 80cdf0e10cSrcweir } Token; 81cdf0e10cSrcweir 82cdf0e10cSrcweir typedef struct tokenrow 83cdf0e10cSrcweir { 84cdf0e10cSrcweir Token *tp; /* current one to scan */ 85cdf0e10cSrcweir Token *bp; /* base (allocated value) */ 86cdf0e10cSrcweir Token *lp; /* last+1 token used */ 87cdf0e10cSrcweir int max; /* number allocated */ 88cdf0e10cSrcweir } Tokenrow; 89cdf0e10cSrcweir 90cdf0e10cSrcweir typedef struct source 91cdf0e10cSrcweir { 92cdf0e10cSrcweir char *filename; /* name of file of the source */ 93cdf0e10cSrcweir int line; /* current line number */ 94cdf0e10cSrcweir int lineinc; /* adjustment for \\n lines */ 95cdf0e10cSrcweir uchar *inb; /* input buffer */ 96cdf0e10cSrcweir uchar *inp; /* input pointer */ 97cdf0e10cSrcweir uchar *inl; /* end of input */ 98cdf0e10cSrcweir int fd; /* input source */ 99cdf0e10cSrcweir int ifdepth; /* conditional nesting in include */ 100cdf0e10cSrcweir int pathdepth; 101cdf0e10cSrcweir int wrap; 102cdf0e10cSrcweir struct source *next; /* stack for #include */ 103cdf0e10cSrcweir } Source; 104cdf0e10cSrcweir 105cdf0e10cSrcweir typedef struct nlist 106cdf0e10cSrcweir { 107cdf0e10cSrcweir struct nlist *next; 108cdf0e10cSrcweir uchar *name; 109cdf0e10cSrcweir int len; 110cdf0e10cSrcweir Tokenrow *vp; /* value as macro */ 111cdf0e10cSrcweir Tokenrow *ap; /* list of argument names, if any */ 112cdf0e10cSrcweir char val; /* value as preprocessor name */ 113cdf0e10cSrcweir char flag; /* is defined, is pp name */ 114cdf0e10cSrcweir uchar *loc; /* location of definition */ 115cdf0e10cSrcweir } Nlist; 116cdf0e10cSrcweir 117cdf0e10cSrcweir typedef struct includelist 118cdf0e10cSrcweir { 119cdf0e10cSrcweir char deleted; 120cdf0e10cSrcweir char always; 121cdf0e10cSrcweir char *file; 122cdf0e10cSrcweir } Includelist; 123cdf0e10cSrcweir 124cdf0e10cSrcweir typedef struct wraplist 125cdf0e10cSrcweir { 126cdf0e10cSrcweir char *file; 127cdf0e10cSrcweir } Wraplist; 128cdf0e10cSrcweir 129cdf0e10cSrcweir #define new(t) (t *)domalloc(sizeof(t)) 130cdf0e10cSrcweir #define quicklook(a,b) (namebit[(a)&077] & (1<<((b)&037))) 131cdf0e10cSrcweir #define quickset(a,b) namebit[(a)&077] |= (1<<((b)&037)) 132cdf0e10cSrcweir extern unsigned long namebit[077 + 1]; 133cdf0e10cSrcweir 134cdf0e10cSrcweir enum errtype 135cdf0e10cSrcweir { 136cdf0e10cSrcweir INFO, WARNING, ERROR, FATAL 137cdf0e10cSrcweir }; 138cdf0e10cSrcweir 139cdf0e10cSrcweir 140cdf0e10cSrcweir typedef struct macroValidator 141cdf0e10cSrcweir { 142cdf0e10cSrcweir Nlist * pMacro; 143cdf0e10cSrcweir unsigned int nTokenWhereMacroBecomesValid; 144cdf0e10cSrcweir struct macroValidator * 145cdf0e10cSrcweir pNext; 146cdf0e10cSrcweir } MacroValidator; 147cdf0e10cSrcweir typedef struct mvl 148cdf0e10cSrcweir { 149cdf0e10cSrcweir MacroValidator * pFirst; 150cdf0e10cSrcweir unsigned int nextFreeIdentifier; 151cdf0e10cSrcweir } MacroValidatorList; 152cdf0e10cSrcweir 153cdf0e10cSrcweir void mvl_init( 154cdf0e10cSrcweir MacroValidatorList * 155cdf0e10cSrcweir out_pValidators); 156cdf0e10cSrcweir void mvl_destruct( 157cdf0e10cSrcweir MacroValidatorList * 158cdf0e10cSrcweir out_pValidators); 159cdf0e10cSrcweir /* Adds MacroValidator to the list. 160cdf0e10cSrcweir */ 161cdf0e10cSrcweir void mvl_add( 162cdf0e10cSrcweir MacroValidatorList * 163cdf0e10cSrcweir inout_pValidators, 164cdf0e10cSrcweir Nlist * in_pMacro, 165cdf0e10cSrcweir Token * in_pTokenWhereMacroBecomesValid); 166cdf0e10cSrcweir /* Updates all token pointers within the list, when the tokens have 167cdf0e10cSrcweir moved, by 168cdf0e10cSrcweir pTokenWhereMacroBecomesValid += in_nNrofTokens; 169cdf0e10cSrcweir . 170cdf0e10cSrcweir 171cdf0e10cSrcweir void mvl_move( 172cdf0e10cSrcweir MacroValidatorList * 173cdf0e10cSrcweir inout_pValidators, 174cdf0e10cSrcweir int in_nSpace); // in pointer units. 175cdf0e10cSrcweir */ 176cdf0e10cSrcweir /* Checks if one of the validators within the list points to 177cdf0e10cSrcweir the token in_pTokenToCheck. If so, the macro is set valid and 178cdf0e10cSrcweir the validator is removed. 179cdf0e10cSrcweir */ 180cdf0e10cSrcweir void mvl_check( 181cdf0e10cSrcweir MacroValidatorList * 182cdf0e10cSrcweir inout_pValidators, 183cdf0e10cSrcweir Token * inout_pTokenToCheck); 184cdf0e10cSrcweir 185cdf0e10cSrcweir void tokenrow_zeroTokenIdentifiers(Tokenrow* trp); 186cdf0e10cSrcweir 187cdf0e10cSrcweir void expandlex(void); 188cdf0e10cSrcweir void fixlex(void); 189cdf0e10cSrcweir void setup(int, char **); 190cdf0e10cSrcweir int gettokens(Tokenrow *, int); 191cdf0e10cSrcweir int comparetokens(Tokenrow *, Tokenrow *); 192cdf0e10cSrcweir Source *setsource(char *, int, int, char *, int); 193cdf0e10cSrcweir void unsetsource(void); 194cdf0e10cSrcweir void puttokens(Tokenrow *); 195cdf0e10cSrcweir void process(Tokenrow *); 196cdf0e10cSrcweir void *domalloc(int); 197cdf0e10cSrcweir void dofree(void *); 198cdf0e10cSrcweir void error(enum errtype, char *,...); 199cdf0e10cSrcweir void flushout(void); 200cdf0e10cSrcweir int fillbuf(Source *); 201cdf0e10cSrcweir int trigraph(Source *); 202cdf0e10cSrcweir int foldline(Source *); 203cdf0e10cSrcweir Nlist *lookup(Token *, int); 204cdf0e10cSrcweir void control(Tokenrow *); 205cdf0e10cSrcweir void dodefine(Tokenrow *); 206cdf0e10cSrcweir void doadefine(Tokenrow *, int); 207cdf0e10cSrcweir void doinclude(Tokenrow *, int, int); 208cdf0e10cSrcweir void doif(Tokenrow *, enum kwtype); 209cdf0e10cSrcweir void expand(Tokenrow *, Nlist *, MacroValidatorList *); 210cdf0e10cSrcweir void builtin(Tokenrow *, int); 211cdf0e10cSrcweir int gatherargs(Tokenrow *, Tokenrow **, int *); 212cdf0e10cSrcweir void substargs(Nlist *, Tokenrow *, Tokenrow **); 213cdf0e10cSrcweir void expandrow(Tokenrow *, char *); 214cdf0e10cSrcweir void maketokenrow(int, Tokenrow *); 215cdf0e10cSrcweir Tokenrow *copytokenrow(Tokenrow *, Tokenrow *); 216cdf0e10cSrcweir Token *growtokenrow(Tokenrow *); 217cdf0e10cSrcweir Tokenrow *normtokenrow(Tokenrow *); 218cdf0e10cSrcweir void adjustrow(Tokenrow *, int); 219cdf0e10cSrcweir void movetokenrow(Tokenrow *, Tokenrow *); 220cdf0e10cSrcweir void insertrow(Tokenrow *, int, Tokenrow *); 221cdf0e10cSrcweir void peektokens(Tokenrow *, char *); 222cdf0e10cSrcweir void doconcat(Tokenrow *); 223cdf0e10cSrcweir Tokenrow *stringify(Tokenrow *); 224cdf0e10cSrcweir int lookuparg(Nlist *, Token *); 225cdf0e10cSrcweir long eval(Tokenrow *, int); 226cdf0e10cSrcweir void genline(void); 227cdf0e10cSrcweir void genimport(char *, int, char *, int); 228cdf0e10cSrcweir void genwrap(int); 229cdf0e10cSrcweir void setempty(Tokenrow *); 230cdf0e10cSrcweir void makespace(Tokenrow *, Token *); 231cdf0e10cSrcweir char *outnum(char *, int); 232cdf0e10cSrcweir int digit(int); 233cdf0e10cSrcweir uchar *newstring(uchar *, int, int); 234cdf0e10cSrcweir 235cdf0e10cSrcweir #define rowlen(tokrow) ((tokrow)->lp - (tokrow)->bp) 236cdf0e10cSrcweir 237cdf0e10cSrcweir extern char *outptr; 238cdf0e10cSrcweir extern Token nltoken; 239cdf0e10cSrcweir extern Source *cursource; 240cdf0e10cSrcweir extern char *curtime; 241cdf0e10cSrcweir extern int incdepth; 242cdf0e10cSrcweir extern int ifdepth; 243cdf0e10cSrcweir extern int ifsatisfied[NIF]; 244cdf0e10cSrcweir extern int Mflag; 245cdf0e10cSrcweir extern int Iflag; 246cdf0e10cSrcweir extern int Pflag; 247cdf0e10cSrcweir extern int Aflag; 248cdf0e10cSrcweir extern int Lflag; 249cdf0e10cSrcweir extern int Xflag; 250cdf0e10cSrcweir extern int Vflag; 251cdf0e10cSrcweir extern int Cflag; 252cdf0e10cSrcweir extern int Dflag; 253cdf0e10cSrcweir extern int Cplusplus; 254cdf0e10cSrcweir extern int skipping; 255cdf0e10cSrcweir extern Nlist *kwdefined; 256cdf0e10cSrcweir extern Includelist includelist[NINCLUDE]; 257cdf0e10cSrcweir extern Wraplist wraplist[NINCLUDE]; 258cdf0e10cSrcweir extern char wd[]; 259cdf0e10cSrcweir 260