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// Inferno utils/8a/a.h
// http://code.google.com/p/inferno-os/source/browse/utils/8a/a.h
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
// Portions Copyright © 2004,2006 Bruce Ellis
// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
// Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include <bio.h>
#include <link.h>
#include "../8l/8.out.h"
#ifndef EXTERN
#define EXTERN extern
#endif
#undef getc
#undef ungetc
#undef BUFSIZ
#define getc ccgetc
#define ungetc ccungetc
typedef struct Sym Sym;
typedef struct Ref Ref;
typedef struct Io Io;
typedef struct Addr2 Addr2;
#define MAXALIGN 7
#define FPCHIP 1
#define NSYMB 500
#define BUFSIZ 8192
#define HISTSZ 20
#ifndef EOF
#define EOF (-1)
#endif
#define IGN (-2)
#define GETC() ((--fi.c < 0)? filbuf(): *fi.p++ & 0xff)
#define NHASH 503
#define STRINGSZ 200
#define NMACRO 10
struct Sym
{
Sym* link;
Ref* ref;
char* macro;
int32 value;
ushort type;
char *name;
char sym;
};
#define S ((Sym*)0)
struct Ref
{
int class;
};
EXTERN struct
{
char* p;
int c;
} fi;
struct Io
{
Io* link;
char b[BUFSIZ];
char* p;
short c;
short f;
};
#define I ((Io*)0)
struct Addr2
{
Addr from;
Addr to;
};
enum
{
CLAST,
CMACARG,
CMACRO,
CPREPROC,
};
EXTERN int debug[256];
EXTERN Sym* hash[NHASH];
EXTERN char** Dlist;
EXTERN int nDlist;
EXTERN int newflag;
EXTERN char* hunk;
EXTERN char** include;
EXTERN Io* iofree;
EXTERN Io* ionext;
EXTERN Io* iostack;
EXTERN int32 lineno;
EXTERN int nerrors;
EXTERN int32 nhunk;
EXTERN int ninclude;
EXTERN int32 nsymb;
EXTERN Addr nullgen;
EXTERN char* outfile;
EXTERN int pass;
EXTERN int32 pc;
EXTERN int peekc;
EXTERN int32 stmtline;
EXTERN int sym;
EXTERN char* symb;
EXTERN int thechar;
EXTERN char* thestring;
EXTERN int32 thunk;
EXTERN Biobuf obuf;
EXTERN Link* ctxt;
EXTERN Biobuf bstdout;
void* alloc(int32);
void* allocn(void*, int32, int32);
void ensuresymb(int32);
void errorexit(void);
void pushio(void);
void newio(void);
void newfile(char*, int);
Sym* slookup(char*);
Sym* lookup(void);
void syminit(Sym*);
int32 yylex(void);
int getc(void);
int getnsc(void);
void unget(int);
int escchar(int);
void cinit(void);
void checkscale(int);
void pinit(char*);
void cclean(void);
int isreg(Addr*);
void outcode(int, Addr2*);
void outhist(void);
int filbuf(void);
Sym* getsym(void);
void domacro(void);
void macund(void);
void macdef(void);
void macexpand(Sym*, char*);
void macinc(void);
void macprag(void);
void maclin(void);
void macif(int);
void macend(void);
void dodefine(char*);
void prfile(int32);
void linehist(char*, int);
void gethunk(void);
void yyerror(char*, ...);
int yyparse(void);
void setinclude(char*);
int assemble(char*);
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