| // Inferno utils/6a/a.h |
| // http://code.google.com/p/inferno-os/source/browse/utils/6a/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 "../6l/6.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; |
| vlong 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); |
| void zaddr(Addr*, int); |
| void zname(char*, int, int); |
| 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*); |