diff options
Diffstat (limited to 'code/tools/lcc/cpp/cpp.h')
| -rw-r--r-- | code/tools/lcc/cpp/cpp.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/code/tools/lcc/cpp/cpp.h b/code/tools/lcc/cpp/cpp.h new file mode 100644 index 0000000..87871d9 --- /dev/null +++ b/code/tools/lcc/cpp/cpp.h @@ -0,0 +1,166 @@ +#define INS 32768 /* input buffer */ +#define OBS 4096 /* outbut buffer */ +#define NARG 32 /* Max number arguments to a macro */ +#define NINCLUDE 32 /* Max number of include directories (-I) */ +#define NIF 32 /* depth of nesting of #if */ +#ifndef EOF +#define EOF (-1) +#endif +#ifndef NULL +#define NULL 0 +#endif + +#ifndef __alpha +typedef unsigned char uchar; +#endif + +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, DEFINED, UMINUS }; + +enum kwtype { KIF, KIFDEF, KIFNDEF, KELIF, KELSE, KENDIF, KINCLUDE, KDEFINE, + KUNDEF, KLINE, KWARNING, KERROR, KPRAGMA, KDEFINED, + KLINENO, KFILE, KDATE, KTIME, KSTDC, KEVAL }; + +#define ISDEFINED 01 /* has #defined value */ +#define ISKW 02 /* is PP keyword */ +#define ISUNCHANGE 04 /* can't be #defined in PP */ +#define ISMAC 010 /* builtin macro, e.g. __LINE__ */ + +#define EOB 0xFE /* sentinel for end of input buffer */ +#define EOFC 0xFD /* sentinel for end of input file */ +#define XPWS 1 /* token flag: white space to assure token sep. */ + +typedef struct token { + unsigned char type; + unsigned char flag; + unsigned short hideset; + unsigned int wslen; + unsigned int len; + uchar *t; +} Token; + +typedef struct tokenrow { + Token *tp; /* current one to scan */ + Token *bp; /* base (allocated value) */ + Token *lp; /* last+1 token used */ + int 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 */ + struct source *next; /* stack for #include */ +} Source; + +typedef struct nlist { + struct nlist *next; + uchar *name; + int 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 */ +} Nlist; + +typedef struct includelist { + char deleted; + char always; + char *file; +} Includelist; + +#define new(t) (t *)domalloc(sizeof(t)) +#define quicklook(a,b) (namebit[(a)&077] & (1<<((b)&037))) +#define quickset(a,b) namebit[(a)&077] |= (1<<((b)&037)) +extern unsigned long namebit[077+1]; + +enum errtype { WARNING, ERROR, FATAL }; + +void expandlex(void); +void fixlex(void); +void setup(int, char **); +int gettokens(Tokenrow *, int); +int comparetokens(Tokenrow *, Tokenrow *); +Source *setsource(char *, int, char *); +void unsetsource(void); +void puttokens(Tokenrow *); +void process(Tokenrow *); +void *domalloc(int); +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 *); +void appendDirToIncludeList( char *dir ); +void doif(Tokenrow *, enum kwtype); +void expand(Tokenrow *, Nlist *); +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 *); +Token *growtokenrow(Tokenrow *); +Tokenrow *normtokenrow(Tokenrow *); +void adjustrow(Tokenrow *, int); +void movetokenrow(Tokenrow *, Tokenrow *); +void insertrow(Tokenrow *, int, Tokenrow *); +void peektokens(Tokenrow *, char *); +void doconcat(Tokenrow *); +Tokenrow *stringify(Tokenrow *); +int lookuparg(Nlist *, Token *); +long eval(Tokenrow *, int); +void genline(void); +void setempty(Tokenrow *); +void makespace(Tokenrow *); +char *outnum(char *, int); +int digit(int); +uchar *newstring(uchar *, int, int); +int checkhideset(int, Nlist *); +void prhideset(int); +int newhideset(int, Nlist *); +int unionhideset(int, int); +void iniths(void); +void setobjname(char *); +#define rowlen(tokrow) ((tokrow)->lp - (tokrow)->bp) + +char *basepath( char *fname ); + +extern char *outp; +extern Token nltoken; +extern Source *cursource; +extern char *curtime; +extern int incdepth; +extern int ifdepth; +extern int ifsatisfied[NIF]; +extern int Mflag; +extern int skipping; +extern int verbose; +extern int Cplusplus; +extern Nlist *kwdefined; +extern Includelist includelist[NINCLUDE]; +extern char wd[]; + +#ifndef _WIN32 +#include <unistd.h> +#else +#include <io.h> +#endif +#include <fcntl.h> |