add LCC - a better C-Compiler for WEGA

This commit is contained in:
Oliver Lehmann 1990-04-25 21:18:08 +00:00
parent bbe5971c16
commit e357050a05
1 changed files with 211 additions and 0 deletions

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# include "macdefs.h"
# include "manifest.h"
/* storage classes */
# define SNULL 0
# define AUTO 1
# define EXTERN 2
# define STATIC 3
# define REGISTER 4
# define EXTDEF 5
# define LABEL 6
# define ULABEL 7
# define MOS 8
# define PARAM 9
# define STNAME 10
# define MOU 11
# define UNAME 12
# define TYPEDEF 13
# define FORTRAN 14
# define ENAME 15
# define MOE 16
# define UFORTRAN 17
# define USTATIC 18
/* field size is ORed in */
# define FIELD 0100
# define FLDSIZ 077
# ifndef NODBG
extern char *scnames();
# endif
/* location counters */
# define PROG 0
# define ADATA 1
# define DATA 2
# define ISTRNG 3
# define STRNG 4
/* symbol table flags */
# define SMOS 01
# define SHIDDEN 02
# define SHIDES 04
# define SSET 010
# define SREF 020
# define SNONUNIQ 040
# define STAG 0100
struct symtab {
char * sname;
TWORD stype; /* type word */
char sclass; /* storage class */
char slevel; /* scope level */
char sflags; /* flags for set, use, hidden, mos, etc. */
OFFSZ offset; /* offset or value */
short dimoff; /* offset into the dimension table */
short sizoff; /* offset into the size table */
short suse; /* line number of last use of the variable */
struct symtab *scopelink; /* chain of symbols at same level */
};
struct sw {
CONSZ sval;
int slab;
};
extern struct sw swtab[];
extern struct sw *swp;
extern int swx;
extern int ftnno;
extern int blevel;
extern int instruct, stwart;
extern int lineno, nerrors;
typedef union {
int intval;
NODE * nodep;
} YYSTYPE;
extern YYSTYPE yylval;
extern CONSZ lastcon;
extern CONSZ ccast();
extern double dcon;
extern char ftitle[];
extern struct symtab stab[];
extern int curftn;
extern int strftn;
extern TWORD ftntype;
extern char *locnames[];
extern int curloc;
extern int curclass;
extern int curdim;
extern OFFSZ dimtab[];
extern long paramstk[];
extern int paramno;
extern int argstk[];
extern OFFSZ argsoff[];
extern TWORD argty[];
extern int argno;
extern OFFSZ autooff, argoff, strucoff;
extern int regvar;
extern int nextrvar;
extern int brkflag;
extern char yytext[];
extern int strflg;
extern OFFSZ inoff;
extern int reached;
/* tunnel to buildtree for name id's */
extern int idname;
extern NODE node[];
extern NODE *lastfree;
extern int cflag, hflag, pflag;
/* various labels */
extern int brklab;
extern int contlab;
extern int flostat;
extern int retlab;
extern int retstat;
extern int asavbc[], *psavbc;
/* flags used in structures/unions */
# define SEENAME 01
# define INSTRUCT 02
# define INUNION 04
# define FUNNYNAME 010
# define TAGNAME 020
/* flags used in the (elementary) flow analysis ... */
# define FBRK 02
# define FCONT 04
# define FDEF 010
# define FLOOP 020
/* flags used for return status */
# define RETVAL 1
# define NRETVAL 2
/* used to mark a constant with no name field */
# define NONAME 040000
/* mark an offset which is undefined */
# define NOOFFSET (-10201)
/* declarations of various functions */
extern NODE
*aadjust(),
*bcon(),
*bdty(),
*block(),
*bpsize(),
*buildtree(),
*clocal(),
*conval(),
*convert(),
*dclstruct(),
*doszof(),
*getstr(),
*makety(),
*mkty(),
*oconvert(),
*offcon(),
*optim(),
*pconvert(),
*ptmatch(),
*pvconvert(),
*rstruct(),
*sconvert(),
*strargs(),
*stref(),
*talloc(),
*tymatch(),
*tymerge(),
*unconvert(),
*xicolon();
OFFSZ tsize(),
psize();
TWORD types(),
ctype();
char *exname(), *exdcon();
# define checkst(x)
# ifdef SDB
# include "sdb.h"
# endif
/* type that is equivalent to pointers in size */
# ifndef PTRTYPE
# define PTRTYPE INT
# endif
extern char datanm[]; /* for data-segment names */