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Diffstat (limited to 'src/cmd/8a/a.h')
| -rw-r--r-- | src/cmd/8a/a.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/cmd/8a/a.h b/src/cmd/8a/a.h new file mode 100644 index 000000000..c5c22d7ba --- /dev/null +++ b/src/cmd/8a/a.h @@ -0,0 +1,215 @@ +// 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 "../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 Gen Gen; +typedef struct Io Io; +typedef struct Hist Hist; +typedef struct Gen2 Gen2; + +#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) + +EXTERN struct +{ + Sym* sym; + short type; +} h[NSYM]; + +struct Gen +{ + double dval; + char sval[8]; + int32 offset; + int32 offset2; + Sym* sym; + short type; + short index; + short scale; +}; +struct Gen2 +{ + Gen from; + Gen to; +}; + +struct Hist +{ + Hist* link; + char* name; + int32 line; + int32 offset; +}; +#define H ((Hist*)0) + +enum +{ + CLAST, + CMACARG, + CMACRO, + CPREPROC, +}; + + +EXTERN char debug[256]; +EXTERN Sym* hash[NHASH]; +EXTERN char** Dlist; +EXTERN int nDlist; +EXTERN Hist* ehist; +EXTERN int newflag; +EXTERN Hist* hist; +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 Gen nullgen; +EXTERN char* outfile; +EXTERN int pass; +EXTERN char* pathname; +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; + +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(Gen*); +void outcode(int, Gen2*); +void outhist(void); +void zaddr(Gen*, int); +void zname(char*, int, int); +void ieeedtod(Ieee*, double); +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*); |