/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <stdlib.h>
#include <string.h>
#define INS 327680
/* input buffer */
#define OBS 8092
/* output buffer */
#define NARG 32
/* Max number arguments to a macro */
#define NINCLUDE 48
/* Max number of include directories (-I) */
#define NIF 64
/* depth of nesting of #if */
#define NINC 32
/* depth of nesting of #include */
#ifndef EOF
#define EOF (-1)
#endif
#ifndef NULL
#define NULL 0
#endif
typedef unsigned char uchar;
enum toktype
{
END, UNCLASS, NAME, NUMBER, STRING, CCON, NL, WS, DSHARP,
EQ, NEQ, LEQ, GEQ, LSH, RSH, LAND, LOR, PPLUS, MMINUS,
ARROW, SBRA, SKET, LP, RP, DOT,
AND, STAR, PLUS, MINUS,
TILDE,
NOT, SLASH, PCT, LT, GT, CIRC,
OR, QUEST,
COLON, ASGN, COMMA, SHARP, SEMIC, CBRA, CKET,
ASPLUS, ASMINUS, ASSTAR, ASSLASH, ASPCT, ASCIRC, ASLSH,
ASRSH, ASOR, ASAND, ELLIPS,
DSHARP1, NAME1, NAME2,
DEFINED, UMINUS, ARCHITECTURE,
COMMENT
};
enum kwtype
{
KIF, KIFDEF, KIFNDEF, KELIF, KELSE, KENDIF, KINCLUDE, KINCLUDENEXT,
KIMPORT, KDEFINE, KUNDEF, KLINE, KERROR, KPRAGMA, KIDENT, KDEFINED,
KMACHINE, KLINENO, KFILE, KDATE, KTIME, KSTDC, KEVAL
};
extern void setup_kwtab(
void);
#define ISDEFINED 0x01
/* has #defined value */
#define ISKW 0x02
/* is PP keyword */
#define ISUNCHANGE 0x04
/* can't be #defined in PP */
#define ISMAC 0x08
/* builtin macro, e.g. __LINE__ */
#define ISARCHITECTURE 0x10
/* architecture */
#define ISACTIVE 0x80
/* is macro currently expanded */
#define EOB 0xFE
/* sentinel for end of input buffer */
#define EOFC 0xFD
/* sentinel for end of input file */
typedef struct token
{
unsigned char type;
size_t wslen;
size_t len;
uchar *t;
unsigned int identifier;
/* used from macro processor to identify where a macro becomes valid again. */
} Token;
typedef struct tokenrow
{
Token *tp;
/* current one to scan */
Token *bp;
/* base (allocated value) */
Token *lp;
/* last+1 token used */
size_t max;
/* number allocated */
} Tokenrow;
typedef struct source
{
char *filename;
/* name of file of the source */
int line;
/* current line number */
int lineinc;
/* adjustment for \\n lines */
uchar *inb;
/* input buffer */
uchar *inp;
/* input pointer */
uchar *inl;
/* end of input */
int fd;
/* input source */
int ifdepth;
/* conditional nesting in include */
int pathdepth;
int wrap;
struct source *next;
/* stack for #include */
} Source;
typedef struct nlist
{
struct nlist *next;
uchar *name;
size_t len;
Tokenrow *vp;
/* value as macro */
Tokenrow *ap;
/* list of argument names, if any */
char val;
/* value as preprocessor name */
char flag;
/* is defined, is pp name */
uchar *loc;
/* location of definition */
} Nlist;
typedef struct includelist
{
char deleted;
char always;
char *file;
} Includelist;
typedef struct wraplist
{
char *file;
} Wraplist;
#define new(t) (t *)domalloc(
sizeof(t))
#define quicklook(a,b) (namebit[(a)&077] & (1U<<((b)&037)))
#define quickset(a,b) namebit[(a)&077] |= (1U<<((b)&037))
extern unsigned long namebit[077 + 1];
enum errtype
{
INFO, WARNING, ERROR, FATAL
};
typedef struct macroValidator
{
Nlist * pMacro;
unsigned int nTokenWhereMacroBecomesValid;
struct macroValidator *
pNext;
} MacroValidator;
typedef struct mvl
{
MacroValidator * pFirst;
unsigned int nextFreeIdentifier;
} MacroValidatorList;
void mvl_init(
MacroValidatorList *
out_pValidators);
void mvl_destruct(
MacroValidatorList *
out_pValidators);
/* Adds MacroValidator to the list.
*/
void mvl_add(
MacroValidatorList *
inout_pValidators,
Nlist * in_pMacro,
Token * in_pTokenWhereMacroBecomesValid);
/* Checks if one of the validators within the list points to
the token in_pTokenToCheck. If so, the macro is set valid and
the validator is removed.
*/
void mvl_check(
MacroValidatorList *
inout_pValidators,
Token
const * inout_pTokenToCheck);
void tokenrow_zeroTokenIdentifiers(Tokenrow* trp);
void expandlex(
void);
void fixlex(
void);
void setup(
int,
char **);
int gettokens(Tokenrow *,
int);
int comparetokens(Tokenrow *, Tokenrow *);
Source *setsource(
char *,
int,
int,
char const *,
int);
void unsetsource(
void);
void puttokens(Tokenrow *);
void process(Tokenrow *);
void *domalloc(size_t);
void dofree(
void *);
void error(
enum errtype,
char *,...);
void flushout(
void);
int fillbuf(Source *);
int trigraph(Source *);
int foldline(Source *);
Nlist *lookup(Token *,
int);
void control(Tokenrow *);
void dodefine(Tokenrow *);
void doadefine(Tokenrow *,
int);
void doinclude(Tokenrow *,
int,
int);
void expand(Tokenrow *, Nlist *, MacroValidatorList *);
void builtin(Tokenrow *,
int);
int gatherargs(Tokenrow *, Tokenrow **,
int *);
void substargs(Nlist *, Tokenrow *, Tokenrow **);
void expandrow(Tokenrow *,
char *);
void maketokenrow(
int, Tokenrow *);
Tokenrow *copytokenrow(Tokenrow *, Tokenrow
const *);
Token *growtokenrow(Tokenrow *);
Tokenrow *normtokenrow(Tokenrow *);
void adjustrow(Tokenrow *,
int);
void movetokenrow(Tokenrow *, Tokenrow
const *);
void insertrow(Tokenrow *,
int, Tokenrow
const *);
void peektokens(Tokenrow *,
char *);
void doconcat(Tokenrow *);
Tokenrow *stringify(Tokenrow *);
int lookuparg(Nlist *, Token
const *);
long eval(Tokenrow *,
int);
void genline(
void);
void genimport(
char const *,
int,
char const *,
int);
void genwrap(
int);
void setempty(Tokenrow *);
void makespace(Tokenrow *, Token
const *);
char *outnum(
char *,
int);
int digit(
int);
uchar *newstring(uchar
const *, size_t, size_t);
#define rowlen(tokrow) ((tokrow)->lp - (tokrow)->bp)
extern char *outptr;
extern Token nltoken;
extern Source *cursource;
extern char *curtime;
extern int incdepth;
extern int ifdepth;
extern int ifsatisfied[NIF];
extern int Mflag;
extern int Iflag;
extern int Pflag;
extern int Lflag;
extern int Xflag;
extern int Vflag;
extern int Cflag;
extern int Dflag;
extern int Cplusplus;
extern int skipping;
extern Nlist *kwdefined;
extern Includelist includelist[NINCLUDE];
extern Wraplist wraplist[NINCLUDE];
extern char wd[];
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */