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Diffstat (limited to 'usr/src/lib/libpp/common/ppproto.c')
-rw-r--r--usr/src/lib/libpp/common/ppproto.c2549
1 files changed, 2549 insertions, 0 deletions
diff --git a/usr/src/lib/libpp/common/ppproto.c b/usr/src/lib/libpp/common/ppproto.c
new file mode 100644
index 0000000000..f03b2535bc
--- /dev/null
+++ b/usr/src/lib/libpp/common/ppproto.c
@@ -0,0 +1,2549 @@
+/***********************************************************************
+* *
+* This software is part of the ast package *
+* Copyright (c) 1986-2007 AT&T Knowledge Ventures *
+* and is licensed under the *
+* Common Public License, Version 1.0 *
+* by AT&T Knowledge Ventures *
+* *
+* A copy of the License is available at *
+* http://www.opensource.org/licenses/cpl1.0.txt *
+* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
+* *
+* Information and Software Systems Research *
+* AT&T Research *
+* Florham Park NJ *
+* *
+* Glenn Fowler <gsf@research.att.com> *
+* *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * convert C prototypes to ANSI, K&R and C++ styles or K&R to ANSI
+ * slips into the pp block read
+ *
+ * define PROTOMAIN for standalone proto
+ * PROTOMAIN is coded for minimal library support
+ */
+
+static const char id[] = "\n@(#)$Id: proto (AT&T Research) 2006-06-28 $\0\n";
+
+#if PROTOMAIN
+
+#include "ppfsm.c"
+
+#include <hashkey.h>
+
+#if PROTO_STANDALONE
+#undef O_RDONLY
+#endif
+
+#else
+
+#include "pplib.h"
+#include "ppfsm.h"
+
+#endif
+
+#define MAGICGEN "/* : : generated by proto : : */\n"
+
+#define MAGICDIR "pragma" /* proto magic directive */
+#define MAGICARG "prototyped" /* proto magic directive arg */
+#define MAGICOFF "noticed" /* no notice if found in pragma */
+#define MAGICTOP 64 /* must be in these top lines */
+#define NOTICED "Copyright" /* no notice if found in magic */
+
+struct proto /* proto buffer state */
+{
+ int brace; /* {..} level */
+ int call; /* call level */
+ int fd; /* input file descriptor */
+ char* file; /* input file name */
+ long flags; /* coupled flags */
+ long options; /* uncoupled flags */
+ char* package; /* header package */
+ int line; /* input line count */
+ int test; /* testing */
+
+ char* tp; /* input token base */
+
+ int iz; /* input buffer size */
+ char* ib; /* input buffer base */
+ char* ip; /* input buffer pointer */
+
+ int oz; /* output buffer size */
+ char* ob; /* output buffer base */
+ char* op; /* output buffer pointer */
+ char* ox; /* output buffer externalize */
+
+ char cc[3]; /* beg mid end comment char */
+ char pushback[4]; /* pushback area for caller */
+
+ char variadic[256]; /* variadic args buffer */
+
+ /* output buffer */
+ /* slide buffer */
+ /* input buffer */
+};
+
+/*
+ * proto is separate from pp so these undef's are ok
+ */
+
+#undef CLASSIC
+#define CLASSIC (1L<<0)
+#undef DECLARE
+#define DECLARE (1L<<1)
+#undef DEFINE
+#define DEFINE (1L<<2)
+#undef DIRECTIVE
+#define DIRECTIVE (1L<<3)
+#undef ERROR
+#define ERROR (1L<<4)
+#undef EXTERN
+#define EXTERN (1L<<5)
+#undef EXTERNALIZE
+#define EXTERNALIZE (1L<<6)
+#undef IDID
+#define IDID (1L<<7)
+#undef INDIRECT
+#define INDIRECT (1L<<8)
+#undef INIT
+#define INIT (1L<<9)
+#undef INIT_DEFINE
+#define INIT_DEFINE (1L<<10)
+#undef INIT_INCLUDE
+#define INIT_INCLUDE (1L<<11)
+#undef JUNK
+#define JUNK (1L<<12)
+#undef LINESYNC
+#define LINESYNC (1L<<13)
+#undef MANGLE
+#define MANGLE (1L<<14)
+#undef MATCH
+#define MATCH (1L<<15)
+#undef MORE
+#define MORE (1L<<16)
+#undef OTHER
+#define OTHER (1L<<17)
+#undef PASS
+#define PASS (1L<<18)
+#undef PLUSONLY
+#define PLUSONLY (1L<<19)
+#undef PLUSPLUS
+#define PLUSPLUS (1L<<20)
+#undef RECURSIVE
+#define RECURSIVE (1L<<21)
+#undef SHARP
+#define SHARP (1L<<22)
+#undef SKIP
+#define SKIP (1L<<23)
+#undef SLIDE
+#define SLIDE (1L<<24)
+#undef TOKENS
+#define TOKENS (1L<<25)
+#undef TYPEDEF
+#define TYPEDEF (1L<<26)
+#undef VARIADIC
+#define VARIADIC (1L<<27)
+#undef VARIADIC2
+#define VARIADIC2 (1L<<28)
+#undef YACC
+#define YACC (1L<<29)
+#undef YACCSPLIT
+#define YACCSPLIT (1L<<30)
+#undef YACC2
+#define YACC2 (1L<<31)
+
+#undef GLOBAL
+#define GLOBAL (MORE)
+
+#undef REGULAR
+#define REGULAR (1L<<0)
+
+#ifndef CHUNK
+#define CHUNK 1024
+#endif
+#define BLOCK (8*CHUNK)
+
+#define T_VA_START (N_TOKEN+1)
+
+#define RESERVED(b,e,n) ((((long)(b))<<16)|(((long)(e))<<8)|((long)(n)))
+
+/*
+ * generate integer
+ * pointer to end returned
+ */
+
+static char*
+number(register char* p, register long n)
+{
+ register long d;
+
+ for (d = 1000000; d > 1; d /= 10)
+ if (n >= d) *p++ = '0' + (n / d) % 10;
+ *p++ = '0' + n % 10;
+ return p;
+}
+
+#if PROTOMAIN
+
+static int errors;
+
+#if PROTO_STANDALONE
+
+/*
+ * namespace pollution forces us to claim parts of libc
+ */
+
+#undef memcpy
+#define memcpy(t,f,n) memcopy(t,f,n)
+#undef strcpy
+#define strcpy(t,f) strcopy(t,f)
+#undef strlen
+#define strlen(s) sstrlen(s)
+#undef strncmp
+#define strncmp(s,t,n) sstrncmp(s,t,n)
+
+/*
+ * environmentally safe strlen()
+ */
+
+static int
+sstrlen(register const char* s)
+{
+ register const char* b;
+
+ for (b = s; *s; s++);
+ return s - b;
+}
+
+/*
+ * environmentally safe strncmp()
+ */
+
+static int
+sstrncmp(register const char* s, register char* t, register int n)
+{
+ register const char* e = s + n;
+
+ while (s < e)
+ {
+ if (*s != *t || !*s)
+ return *s - *t;
+ s++;
+ t++;
+ }
+ return 0;
+}
+
+/*
+ * strcpy() except pointer to end returned
+ */
+
+static char*
+strcopy(register char* s, register const char* t)
+{
+ while (*s++ = *t++);
+ return s - 1;
+}
+
+#endif
+
+static void
+proto_error(char* iob, int level, char* msg, char* arg)
+{
+ register char* p;
+ char buf[1024];
+
+ p = strcopy(buf, "proto: ");
+ if (iob)
+ {
+ register struct proto* proto = (struct proto*)(iob - sizeof(struct proto));
+
+ if (proto->line)
+ {
+ if (proto->file)
+ {
+ *p++ = '"';
+ p = strcopy(p, proto->file);
+ *p++ = '"';
+ *p++ = ',';
+ *p++ = ' ';
+ }
+ p = strcopy(p, "line ");
+ p = number(p, proto->line);
+ }
+ else if (proto->file)
+ p = strcopy(p, proto->file);
+ }
+ else
+ {
+ p = strcopy(p, msg);
+ msg = arg;
+ arg = 0;
+ }
+ if (*(p - 1) != ' ')
+ {
+ *p++ = ':';
+ *p++ = ' ';
+ }
+ if (level == 1)
+ p = strcopy(p, "warning: ");
+ p = strcopy(p, msg);
+ if (arg)
+ {
+ *p++ = ' ';
+ p = strcopy(p, arg);
+ }
+ *p++ = '\n';
+ write(2, buf, p - buf);
+ if (level >= 3)
+ exit(level - 2);
+ if (level >= 2)
+ errors++;
+}
+
+/*
+ * memcpy() but pointer to end returned
+ */
+
+static char*
+memcopy(register char* s, register char* t, int n)
+{
+ register char* e = t + n;
+
+ while (t < e) *s++ = *t++;
+ return s;
+}
+
+#include "../libast/port/astlicense.c"
+
+#else
+
+#define memcopy(s,t,n) (((char*)memcpy(s,t,n))+(n))
+
+#endif
+
+/*
+ * generate line sync
+ * pointer to end returned
+ */
+
+static char*
+linesync(register struct proto* proto, register char* p, register long n)
+{
+#if PROTOMAIN
+ if (proto->flags & LINESYNC)
+#endif
+ {
+#if PROTOMAIN
+ p = strcopy(p, "\n#line ");
+#else
+ p = strcopy(p, "\n# ");
+#endif
+ p = number(p, n);
+ *p++ = '\n';
+ }
+ return p;
+}
+
+/*
+ * output init header
+ * pointer to end returned
+ */
+
+static char*
+init(struct proto* proto, char* op, int flags)
+{
+ register char* s;
+
+ if (flags & INIT_DEFINE)
+ {
+ op = strcopy(op, "\
+\n\
+#if !defined(__PROTO__)\n\
+# if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)\n\
+# if defined(__cplusplus)\n\
+# define __LINKAGE__ \"C\"\n\
+# else\n\
+# define __LINKAGE__\n\
+# endif\n\
+# define __STDARG__\n\
+# define __PROTO__(x) x\n\
+# define __OTORP__(x)\n\
+# define __PARAM__(n,o) n\n\
+# if !defined(__STDC__) && !defined(__cplusplus)\n\
+# if !defined(c_plusplus)\n\
+# define const\n\
+# endif\n\
+# define signed\n\
+# define void int\n\
+# define volatile\n\
+# define __V_ char\n\
+# else\n\
+# define __V_ void\n\
+# endif\n\
+# else\n\
+# define __PROTO__(x) ()\n\
+# define __OTORP__(x) x\n\
+# define __PARAM__(n,o) o\n\
+# define __LINKAGE__\n\
+# define __V_ char\n\
+# define const\n\
+# define signed\n\
+# define void int\n\
+# define volatile\n\
+# endif\n\
+# define __MANGLE__ __LINKAGE__\n\
+# if defined(__cplusplus) || defined(c_plusplus)\n\
+# define __VARARG__ ...\n\
+# else\n\
+# define __VARARG__\n\
+# endif\n\
+# if defined(__STDARG__)\n\
+# define __VA_START__(p,a) va_start(p,a)\n\
+# else\n\
+# define __VA_START__(p,a) va_start(p)\n\
+# endif\n\
+# if !defined(__INLINE__)\n\
+# if defined(__cplusplus)\n\
+# define __INLINE__ extern __MANGLE__ inline\n\
+# else\n\
+# if defined(_WIN32) && !defined(__GNUC__)\n\
+# define __INLINE__ __inline\n\
+# endif\n\
+# endif\n\
+# endif\n\
+#endif\n\
+#if !defined(__LINKAGE__)\n\
+#define __LINKAGE__ /* 2004-08-11 transition */\n\
+#endif\n\
+");
+ }
+ else
+ op = strcopy(op, "\
+\n\
+#if !defined(__PROTO__)\n\
+#include <prototyped.h>\n\
+#endif\n\
+#if !defined(__LINKAGE__)\n\
+#define __LINKAGE__ /* 2004-08-11 transition */\n\
+#endif\n\
+");
+ if (proto->package)
+ {
+ s = "\
+#ifndef __MANGLE_%_DATA__\n\
+# ifdef _BLD_%\n\
+# ifdef __EXPORT__\n\
+# define __MANGLE_%_DATA__ __MANGLE__ __EXPORT__\n\
+# else\n\
+# define __MANGLE_%_DATA__ __MANGLE__\n\
+# endif\n\
+# define __MANGLE_%_FUNC__ __MANGLE__\n\
+# else\n\
+# ifdef __IMPORT__\n\
+# define __MANGLE_%_DATA__ __MANGLE__ __IMPORT__\n\
+# else\n\
+# define __MANGLE_%_DATA__ __MANGLE__\n\
+# endif\n\
+# define __MANGLE_%_FUNC__ __MANGLE__\n\
+# endif\n\
+#endif\n\
+";
+ for (;;)
+ {
+ switch (*op++ = *s++)
+ {
+ case 0:
+ op--;
+ break;
+ case '%':
+ op = strcopy(op - 1, proto->package);
+ continue;
+ default:
+ continue;
+ }
+ break;
+ }
+ }
+ return op;
+}
+
+#define BACKOUT() (op=ko)
+#define CACHE() do{CACHEIN();CACHEOUT();call=proto->call;}while(0)
+#define CACHEIN() (ip=proto->ip)
+#define CACHEOUT() (op=proto->op)
+#define GETCHR() (*(unsigned char*)ip++)
+#define KEEPOUT() (ko=op)
+#define LASTOUT() (*(op-1))
+#define PUTCHR(c) (*op++=(c))
+#define SYNC() do{SYNCIN();SYNCOUT();proto->flags&=~(EXTERN|INIT|OTHER|VARIADIC|VARIADIC2);proto->flags|=flags&(EXTERN|INIT|OTHER|VARIADIC|VARIADIC2);proto->call=call;}while(0)
+#define SYNCIN() (proto->ip=ip)
+#define SYNCOUT() (proto->op=op)
+#define UNGETCHR() (ip--)
+#define UNPUTCHR() (op--)
+
+/*
+ * advance to the next non-space character
+ */
+
+static char*
+nns(register char* s)
+{
+ while (*s == ' ' || *s == '\t' || *s == '\n')
+ s++;
+ return s;
+}
+
+#define DIR_if 01
+#define DIR_el 02
+#define DIR_en 03
+#define DIR 03
+
+/*
+ * update directive mask
+ */
+
+static int
+directive(register char* s, int dir)
+{
+ switch (*(s = nns(s)))
+ {
+ case 'e':
+ case 'i':
+ dir <<= 2;
+ switch (*++s)
+ {
+ case 'f':
+ dir |= DIR_if;
+ break;
+ case 'l':
+ dir |= DIR_el;
+ break;
+ case 'n':
+ dir |= DIR_en;
+ break;
+ }
+ break;
+ }
+ return dir;
+}
+
+/*
+ * the tokenizer
+ * top level calls loop until EOB
+ * recursive calls just return the next token
+ */
+
+static int
+lex(register struct proto* proto, register long flags)
+{
+ register char* ip;
+ register char* op;
+ register int c;
+ register int state;
+ register short* rp;
+ char* m;
+ char* e;
+ char* t;
+ char* bp;
+ char* v;
+ char* im;
+ char* ko;
+ char* aom;
+ int n;
+ int line;
+ int quot;
+ int brack;
+ int sub;
+ int x;
+ int vc;
+
+ char* ie = 0;
+ char* om = 0;
+ char* aim = 0;
+ char* aie = 0;
+ char* func = 0;
+ int call = 0;
+ int dir = 0;
+ int group = 0;
+ int last = 0;
+ int paren = 0;
+#if PROTOMAIN
+ char* qe = 0;
+ int qn = 0;
+ int args = 0;
+#endif
+
+ CACHE();
+#if PROTOMAIN
+ if (flags & EXTERN) KEEPOUT();
+#endif
+ fsm_start:
+ proto->tp = ip;
+ state = PROTO;
+ bp = ip;
+ do
+ {
+ rp = fsm[state];
+ fsm_get:
+ while (!(state = rp[c = GETCHR()]));
+ fsm_next:
+ ;
+ } while (state > 0);
+ if ((n = ip - bp - 1) > 0)
+ {
+ ip = bp;
+ MEMCPY(op, ip, n);
+ ip++;
+ }
+ state = ~state;
+ fsm_terminal:
+ switch (TERM(state))
+ {
+ case S_CHR:
+ if (op > proto->ob && *(op - 1) == '=' && (op == proto->ob + 1 || *(op - 2) != '=')) switch (c)
+ {
+ case '+':
+ case '-':
+ case '*':
+ case '&':
+ PUTCHR(' ');
+ break;
+ }
+ PUTCHR(c);
+ break;
+
+ case S_CHRB:
+ UNGETCHR();
+ c = LASTOUT();
+ break;
+
+ case S_COMMENT:
+ switch (c)
+ {
+ case '\n':
+ if (INCOMMENTXX(rp)) goto fsm_newline;
+ PUTCHR(c);
+ proto->line++;
+ rp = fsm[COM2];
+ break;
+ case '/':
+#if PROTOMAIN
+ if ((flags & (EXTERN|MATCH)) == EXTERN) BACKOUT();
+ else
+#endif
+ PUTCHR(c);
+ if (INCOMMENTXX(rp))
+ {
+ rp = fsm[COM5];
+ break;
+ }
+ goto fsm_start;
+ case EOF:
+ break;
+ default:
+#if PROTOMAIN
+ if ((flags & (EXTERN|MATCH)) == EXTERN) BACKOUT();
+ else
+#endif
+ PUTCHR(c);
+ rp = fsm[INCOMMENTXX(rp) ? COM5 : COM3];
+ break;
+ }
+ bp = ip;
+ goto fsm_get;
+
+ case S_EOB:
+ if (c)
+ {
+ if (state = fsm[TERMINAL][INDEX(rp)+1])
+ goto fsm_terminal;
+ SYNC();
+ return 0;
+ }
+ UNGETCHR();
+ fsm_eob:
+ if ((flags & (DECLARE|GLOBAL|RECURSIVE)) == GLOBAL && (proto->flags & MORE))
+ {
+#if PROTOMAIN
+ if (!(flags & EXTERN)) /* XXX */
+#endif
+ flags |= SLIDE;
+ c = ip - proto->ib;
+ if (!(flags & MATCH))
+ im = proto->tp;
+ if (ip > proto->ib)
+ {
+ n = ip - im;
+ if (ip - n < proto->ib)
+ proto->flags |= ERROR;
+ memcopy(proto->ib - n, ip - n, n);
+ ip = proto->ib;
+ }
+ proto->tp -= c;
+ if (flags & MATCH)
+ {
+ im -= c;
+ ie -= c;
+ }
+ if (aim)
+ aim -= c;
+ if (aie)
+ aie -= c;
+ if ((n = read(proto->fd, ip, proto->iz)) > 0)
+ {
+ if ((proto->options & REGULAR) && n < proto->iz)
+ {
+ proto->flags &= ~MORE;
+ close(proto->fd);
+ }
+ *(ip + n) = 0;
+ if (state & SPLICE)
+ goto fsm_splice;
+ bp = ip;
+ goto fsm_get;
+ }
+ *ip = 0;
+ proto->flags &= ~MORE;
+ close(proto->fd);
+ }
+ if (state & SPLICE)
+ goto fsm_splice;
+ /* NOTE: RECURSIVE lex() should really SLIDE too */
+ if (!(flags & RECURSIVE) && (state = rp[c = EOF]))
+ {
+ bp = ip;
+ goto fsm_next;
+ }
+ SYNC();
+ return 0;
+
+ case S_LITBEG:
+ quot = c;
+#if PROTOMAIN
+ if (c == '"' && qe)
+ {
+ for (n = 0, t = qe + 1; t < op && (*t == ' ' || *t == '\t' || *t == '\n' && ++n || *t >= 'A' && *t <= 'Z' || *t == '_'); t++);
+ if (t == op)
+ {
+ op = qe;
+ qe = 0;
+ qn = n;
+ }
+ else PUTCHR(c);
+ }
+ else
+#endif
+ PUTCHR(c);
+ rp = fsm[LIT1];
+ bp = ip;
+ goto fsm_get;
+
+ case S_LITEND:
+ if (c == quot)
+ {
+#if PROTOMAIN
+ if (!(flags & DIRECTIVE))
+ qe = (c == '"') ? op : (char*)0;
+#endif
+ PUTCHR(c);
+#if PROTOMAIN
+ while (qn > 0)
+ {
+ qn--;
+ PUTCHR('\n');
+ }
+#endif
+ }
+ else if (c != '\n' && c != EOF)
+ {
+ PUTCHR(c);
+ bp = ip;
+ goto fsm_get;
+ }
+ else
+ {
+#if PROTOMAIN
+ while (qn > 0)
+ {
+ qn--;
+ PUTCHR('\n');
+ }
+#endif
+ UNGETCHR();
+ }
+ c = T_INVALID;
+ break;
+
+ case S_LITESC:
+#if PROTOMAIN
+ if (flags & CLASSIC) PUTCHR(c);
+ else
+#endif
+ switch (c)
+ {
+ case 'a':
+ n = CC_bel;
+ goto fsm_oct;
+ case 'E':
+ n = CC_esc;
+ goto fsm_oct;
+ case 'v':
+ n = CC_vt;
+ goto fsm_oct;
+ case 'x':
+ SYNC();
+ lex(proto, (flags & GLOBAL) | RECURSIVE);
+ for (n = x = 0; (c = GETCHR()), x < 3; x++) switch (c)
+ {
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ case '8': case '9':
+ n = (n << 4) + c - '0';
+ break;
+ case 'a': case 'b': case 'c': case 'd':
+ case 'e': case 'f':
+ n = (n << 4) + c - 'a' + 10;
+ break;
+ case 'A': case 'B': case 'C': case 'D':
+ case 'E': case 'F':
+ n = (n << 4) + c - 'A' + 10;
+ break;
+ default:
+ goto fsm_hex;
+ }
+ fsm_hex:
+ UNGETCHR();
+ fsm_oct:
+ PUTCHR(((n >> 6) & 07) + '0');
+ PUTCHR(((n >> 3) & 07) + '0');
+ PUTCHR((n & 07) + '0');
+ break;
+ default:
+ PUTCHR(c);
+ break;
+ }
+ rp = fsm[LIT1];
+ bp = ip;
+ goto fsm_get;
+
+ case S_MACRO:
+ UNGETCHR();
+#if PROTOMAIN
+ if ((flags & EXTERN) && *proto->tp == 's' && !strncmp(proto->tp, "static", 6))
+ {
+ c = T_EXTERN;
+ break;
+ }
+#endif
+ if (*proto->tp == '_' && !strncmp(proto->tp, "__STDPP__directive", 6)) c = '#';
+ else c = T_ID;
+
+ break;
+
+ case S_NL:
+ fsm_newline:
+ proto->line++;
+#if PROTOMAIN
+ if (flags & EXTERN)
+ {
+ if (op != proto->ob && LASTOUT() != ' ' && LASTOUT() != '\n')
+ PUTCHR(' ');
+ }
+ else
+#endif
+ PUTCHR(c);
+ if (flags & DIRECTIVE)
+ {
+#if PROTOMAIN
+ if (flags & CLASSIC)
+ {
+ if (flags & EXTERN) BACKOUT();
+ if (flags & JUNK)
+ {
+ *(ip - 1) = 0;
+ op = strcopy(om, "/* ");
+ op = strcopy(op, im);
+ op = strcopy(op, " */\n");
+ }
+ flags &= ~(DEFINE|DIRECTIVE|IDID|INDIRECT|JUNK|MATCH|SHARP|TYPEDEF);
+ }
+ else
+#endif
+ {
+ if ((flags & (DEFINE|SHARP)) == (DEFINE|SHARP))
+ {
+ *(ip - 1) = 0;
+ op = strcopy(om, "#if defined(__STDC__) || defined(__STDPP__)\n");
+ op = strcopy(op, im);
+ op = strcopy(op, "\n#else\n");
+ bp = ip;
+ ip = im;
+ *op++ = *ip++;
+ while (*op = *ip++)
+ if (*op++ == '#' && *ip != '(')
+ {
+ op--;
+ while (*--op == ' ' || *op == '\t');
+ if (*ip == '#')
+ {
+ op = strcopy(op + 1, "/**/");
+ while (*++ip == ' ' || *ip == '\t');
+ }
+ else
+ {
+ if (*op != '"') *++op = '"';
+ op++;
+ while (*ip == ' ' || *ip == '\t') ip++;
+ while ((c = *ip) >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z' || c >= '0' && c <= '9' || c == '_') *op++ = *ip++;
+ while (*ip == ' ' || *ip == '\t') ip++;
+ if (*ip == '"') ip++;
+ else *op++ = '"';
+ }
+ }
+ ip = bp;
+ op = strcopy(op, "\n#endif\n");
+ op = linesync(proto, op, proto->line);
+ }
+ flags &= ~(DEFINE|DIRECTIVE|IDID|INDIRECT|MATCH|OTHER|SHARP|SKIP|TOKENS|TYPEDEF);
+ }
+ call = 0;
+ group = 0;
+ paren = 0;
+ last = '\n';
+ }
+ if (paren == 0 && (flags & (MATCH|RECURSIVE|SKIP|SLIDE)) == SLIDE)
+ {
+#if PROTOMAIN
+ if (flags & EXTERN) BACKOUT();
+#endif
+ SYNC();
+ return 0;
+ }
+ goto fsm_start;
+
+ case S_QUAL:
+ PUTCHR(c);
+ rp = fsm[NEXT(state)];
+ bp = ip;
+ goto fsm_get;
+
+ case S_TOK:
+ PUTCHR(c);
+ c = TYPE(state);
+ break;
+
+ case S_TOKB:
+ UNGETCHR();
+ c = TYPE(state);
+ break;
+
+ case S_RESERVED:
+ UNGETCHR();
+ c = T_ID;
+ if (!(flags & DECLARE)) switch (RESERVED(*proto->tp, *(ip - 1), ip - proto->tp))
+ {
+ case RESERVED('N', 'N', 3):
+ if (proto->tp[1] == 'o')
+ c = T_DO;
+ break;
+ case RESERVED('d', 'o', 2):
+ c = T_DO;
+ break;
+ case RESERVED('e', 'e', 4):
+ if (!(flags & RECURSIVE) && (flags & (DIRECTIVE|TOKENS)) != DIRECTIVE && !strncmp(proto->tp, "else", 4))
+ {
+ c = T_ELSE;
+ goto fsm_id;
+ }
+ break;
+ case RESERVED('e', 'n', 6):
+ if (!strncmp(proto->tp, "extern", 6))
+ c = T_EXTERN;
+ break;
+ case RESERVED('f', 'r', 3):
+ if (!(flags & RECURSIVE) && !strncmp(proto->tp, "for", 3))
+ {
+ c = T_FOR;
+ goto fsm_id;
+ }
+ break;
+ case RESERVED('i', 'f', 2):
+ c = T_IF;
+ break;
+ case RESERVED('i', 'e', 6):
+ if (!strncmp(proto->tp, "inline", 6) && !(flags & (MATCH|SKIP|TOKENS|TYPEDEF)) && proto->brace == 0 && paren == 0 && group == 0 && (last == ';' || last == '}' || last == '\n' || last == 0))
+ {
+ flags |= SKIP;
+ SYNC();
+ line = proto->line;
+ op = strcopy(op - 6, "__INLINE__");
+ SYNC();
+ }
+ break;
+ case RESERVED('r', 'n', 6):
+ if (!(flags & RECURSIVE) && !strncmp(proto->tp, "return", 6))
+ {
+ c = T_RETURN;
+ goto fsm_id;
+ }
+ break;
+ case RESERVED('s', 'c', 6):
+ if ((proto->options & EXTERNALIZE) && !strncmp(proto->tp, "static", 6))
+ {
+ proto->ox = op - 6;
+ flags |= EXTERNALIZE;
+ }
+ break;
+ case RESERVED('t', 'f', 7):
+ if (!(flags & RECURSIVE) && !strncmp(proto->tp, "typedef", 7))
+ {
+ flags |= TYPEDEF;
+ c = T_EXTERN;
+ }
+ break;
+ case RESERVED('v', 't', 8):
+ if (*ip == '(' && !strncmp(proto->tp, "va_start", 8)) c = T_VA_START;
+ break;
+ case RESERVED('v', 'd', 4):
+ if (!strncmp(proto->tp, "void", 4))
+ {
+ if (flags & (CLASSIC|PLUSONLY|INIT_DEFINE|INIT_INCLUDE)) c = T_VOID;
+ else
+ {
+ SYNC();
+ line = proto->line;
+ if (lex(proto, (flags & GLOBAL) | RECURSIVE) == '*')
+ {
+ memcopy(op - 4, "__V_", 4);
+ memcopy(ip - 4, "__V_", 4);
+ }
+ else c = T_VOID;
+ proto->line = line;
+ SYNC();
+ bp = ip;
+ }
+ }
+ break;
+ case RESERVED('w', 'e', 5):
+ if (!(flags & RECURSIVE) && !strncmp(proto->tp, "while", 5))
+ {
+ c = T_WHILE;
+ goto fsm_id;
+ }
+ break;
+ }
+#if PROTOMAIN
+ if ((flags & CLASSIC) && c != T_EXTERN)
+ c = T_ID;
+#endif
+ break;
+
+ case S_VS:
+ goto fsm_start;
+
+ case S_WS:
+ UNGETCHR();
+#if PROTOMAIN
+ if ((flags & (EXTERN|MATCH)) == EXTERN)
+ {
+ while (op > proto->ob && (*(op - 1) == ' ' || *(op - 1) == '\t'))
+ op--;
+ if (op > proto->ob && *(op - 1) != '\n') *op++ = ' ';
+ }
+#endif
+ goto fsm_start;
+
+ default:
+ if (state & SPLICE)
+ {
+ if (c == '\\')
+ {
+ if (!(n = GETCHR()))
+ {
+ goto fsm_eob;
+ fsm_splice:
+ c = '\\';
+ n = GETCHR();
+ }
+ if (n == '\n')
+ {
+ proto->line++;
+ PUTCHR('\\');
+ PUTCHR('\n');
+ bp = ip;
+ goto fsm_get;
+ }
+ UNGETCHR();
+ }
+ state &= ~SPLICE;
+ if (state >= TERMINAL)
+ goto fsm_terminal;
+ rp = fsm[state];
+ }
+ PUTCHR(c);
+ bp = ip;
+ goto fsm_get;
+ }
+ if (!(flags & (INIT_DEFINE|INIT_INCLUDE|RECURSIVE)))
+ {
+ if (!(flags & DIRECTIVE)) switch (c)
+ {
+ case '(':
+#if PROTOMAIN
+ if (!(flags & CLASSIC) || proto->brace == 0)
+#endif
+ {
+ if (paren++ == 0)
+ {
+#if PROTOMAIN
+ if (!(flags & CLASSIC) || group <= 1)
+#endif
+ {
+#if PROTOMAIN
+ args = 0;
+#endif
+ if (group++ == 0) group++;
+ else if (flags & INDIRECT) call++;
+ flags |= MATCH;
+ im = ip - 1;
+ om = op - 1;
+ }
+ sub = 0;
+ }
+ else if (paren == 2 && !aim)
+ {
+ sub++;
+ if (last == '(')
+ {
+ flags &= ~MATCH;
+ om = 0;
+ }
+ else if (flags & INDIRECT)
+ {
+ aim = ip - 1;
+ aom = op - 1;
+ }
+ else if ((flags & (MATCH|TOKENS)) == MATCH)
+ {
+ for (m = ip - 2; m > im && (*m == ' ' || *m == '\t'); m--);
+ if (m != im && sub == 1)
+ {
+ m = im + (*nns(ip) == '*');
+ }
+ if (m == im)
+ {
+ flags &= ~MATCH;
+ om = 0;
+ }
+ }
+ else if ((flags & MATCH) && sub == 1 && *nns(ip) != '*')
+ {
+ flags &= ~MATCH;
+ om = 0;
+ }
+ }
+ flags &= ~TOKENS;
+ }
+ break;
+ case ')':
+#if PROTOMAIN
+ if (!(flags & CLASSIC) || proto->brace == 0)
+#endif
+ if (--paren == 0)
+ {
+#if PROTOMAIN
+ if (flags & CLASSIC)
+ {
+ if (group != 2)
+ {
+ c = T_ID;
+ break;
+ }
+ group++;
+ }
+#endif
+ ie = ip;
+ }
+ else if (paren == 1 && (flags & INDIRECT) && !aie)
+ aie = ip;
+ break;
+ case '*':
+ if (last == '(' && group == 2)
+ {
+ group--;
+ if (paren == 1)
+ {
+ flags |= INDIRECT;
+ aim = aie = 0;
+ }
+ }
+ break;
+ case '#':
+ dir = directive(ip, dir);
+ if (proto->brace == 0 && paren == 0 && last != '=' && (flags & (CLASSIC|DECLARE|DIRECTIVE|MATCH|PLUSONLY|SKIP|TOKENS)) == (MATCH|TOKENS) && ((dir & DIR) != DIR_en || ((dir>>2) & DIR) != DIR_if))
+ flags |= DIRECTIVE;
+ else if (!(flags & (DECLARE|DIRECTIVE)))
+ {
+ flags |= DIRECTIVE;
+ if (!(flags & PLUSONLY))
+ {
+ bp = ip;
+ while (*ip == ' ' || *ip == '\t') ip++;
+ if (*ip == 'l' && *++ip == 'i' && *++ip == 'n' && *++ip == 'e')
+ {
+ if (*++ip == ' ' || *ip == '\t')
+ {
+ proto->line = 0;
+ while (*++ip >= '0' && *ip <= '9')
+ proto->line = proto->line * 10 + *ip - '0';
+ proto->line--;
+ }
+ }
+#if PROTOMAIN
+ else if ((flags & (CLASSIC|EXTERN)) == CLASSIC)
+ {
+ n = 0;
+ t = ip + 6;
+ while (ip < t && *ip >= 'a' && *ip <= 'z')
+ n = HASHKEYPART(n, *ip++);
+ switch (n)
+ {
+ case HASHKEY4('e','l','s','e'):
+ case HASHKEY5('e','n','d','i','f'):
+ while (*ip == ' ' || *ip == '\t') ip++;
+ if (*ip != '\n' && *ip != '/' && *(ip + 1) != '*')
+ {
+ flags |= JUNK|MATCH;
+ im = ip;
+ om = op + (ip - bp);
+ }
+ break;
+ case HASHKEY4('e','l','i','f'):
+ case HASHKEY5('e','r','r','o','r'):
+ case HASHKEY2('i','f'):
+ case HASHKEY5('i','f','d','e','f'):
+ case HASHKEY6('i','f','n','d','e','f'):
+ case HASHKEY5('u','n','d','e','f'):
+ break;
+ case HASHKEY6('i','n','c','l','u','d'):
+ if (*ip == 'e') ip++;
+ /*FALLTHROUGH*/
+ case HASHKEY6('d','e','f','i','n','e'):
+ case HASHKEY6('p','r','a','g','m','a'):
+ if (*ip < 'a' || *ip > 'z') break;
+ /*FALLTHROUGH*/
+ default:
+ flags |= JUNK|MATCH;
+ im = bp - 1;
+ om = op - 1;
+ break;
+ }
+ }
+ else
+#endif
+ {
+ if (*ip == 'i' && *++ip == 'n' && *++ip == 'c' && *++ip == 'l' && *++ip == 'u' && *++ip == 'd' && *++ip == 'e')
+ {
+ while (*++ip == ' ' || *ip == '\t');
+ if (*ip++ == '<' && *ip++ == 's' && *ip++ == 't' && *ip++ == 'd' && *ip++ == 'a' && *ip++ == 'r' && *ip++ == 'g' && *ip++ == '.' && *ip++ == 'h' && *ip++ == '>')
+ {
+ op = strcopy(op, "\
+if !defined(va_start)\n\
+#if defined(__STDARG__)\n\
+#include <stdarg.h>\n\
+#else\n\
+#include <varargs.h>\n\
+#endif\n\
+#endif\n\
+");
+ op = linesync(proto, op, proto->line);
+ break;
+ }
+ }
+ else if (*ip == 'd' && *++ip == 'e' && *++ ip == 'f' && *++ip == 'i' && *++ip == 'n' && *++ip == 'e' && (*++ip == ' ' || *ip == '\t'))
+ {
+ while (*++ip == ' ' || *ip == '\t');
+ if (*ip == 'e' && *++ip == 'x' && *++ ip == 't' && *++ip == 'e' && *++ip == 'r' && *++ip == 'n' && (*++ip == ' ' || *ip == '\t'))
+ {
+ t = ip;
+ while (*++t == ' ' || *t == '\t');
+ if (*t == 'e' && *++t == 'x' && *++ t == 't' && *++t == 'e' && *++t == 'r' && *++t == 'n' && (*++t == ' ' || *t == '\t' || *t == '\n' || *t == '\r'))
+ ip = t;
+ t = ip;
+ while (*++t == ' ' || *t == '\t');
+ if (*t == '_' && *(t + 1) == '_')
+ {
+ op = strcopy(op, "undef __MANGLE__\n");
+ op = linesync(proto, op, proto->line);
+ op = strcopy(op, "#define __MANGLE__ __LINKAGE__");
+ break;
+ }
+ }
+ flags |= DEFINE|MATCH;
+ im = bp - 1;
+ om = op - 1;
+ }
+ else if (*ip == 'u' && *++ip == 'n' && *++ ip == 'd' && *++ip == 'e' && *++ip == 'f' && (*++ip == ' ' || *ip == '\t'))
+ {
+ while (*++ip == ' ' || *ip == '\t');
+ if (*ip == 'e' && *++ip == 'x' && *++ ip == 't' && *++ip == 'e' && *++ip == 'r' && *++ip == 'n' && (*++ip == ' ' || *ip == '\t' || *ip == '\n' || *ip == '\r'))
+ {
+ op = strcopy(op, "undef __MANGLE__\n");
+ op = linesync(proto, op, proto->line);
+ op = strcopy(op, "#define __MANGLE__ __LINKAGE__");
+ break;
+ }
+ flags |= DEFINE|MATCH;
+ im = bp - 1;
+ om = op - 1;
+ }
+ }
+ ip = bp;
+ }
+ break;
+ }
+ else
+ break;
+ /*FALLTHROUGH*/
+ case '{':
+ if (proto->brace++ == 0 && paren == 0)
+ {
+ if (last == '=') flags |= INIT;
+#if PROTOMAIN
+ else if (flags & CLASSIC)
+ {
+ if ((flags & (MATCH|OTHER|SKIP)) == MATCH)
+ {
+ if (args)
+ {
+ v = number(op, args < 0 ? -args : args);
+ v = strcopy(v, " argument actual/formal mismatch");
+ *v++ = ' ';
+ v = memcopy(v, im, ie - im);
+ *v = 0;
+ proto_error((char*)proto + sizeof(struct proto), 2, op, NiL);
+ }
+ ip--;
+ /*UNDENT...*/
+ v = ie;
+ while (ie < ip)
+ if (*ie++ == '/' && *ie == '*')
+ {
+ e = ie - 1;
+ while (++ie < ip)
+ {
+ if (*ie == '*')
+ {
+ while (ie < ip && *ie == '*') ie++;
+ if (ie < ip && *ie == '/')
+ {
+ while (++ie < ip && (*ie == ' ' || *ie == '\t'));
+ while (e > v && (*(e - 1) == ' ' || *(e - 1) == '\t')) e--;
+ if (e > v && *e != '\n') *e++ = ' ';
+ t = ie;
+ while (--e >= v)
+ *--t = *e;
+ v = t;
+ break;
+ }
+ }
+ }
+ }
+ ie = v;
+ /*...INDENT*/
+ op = om++;
+ if (flags & EXTERN)
+ {
+ v = op;
+ while (v > ko && *--v != ' ');
+ if (*v != ' ')
+ {
+ om = (v = (op += 4)) + 1;
+ while (v >= ko + 4)
+ {
+ *v = *(v - 4);
+ v--;
+ }
+ memcopy(ko, "int ", 4);
+ }
+ if (*v == ' ')
+ {
+ while (*(v + 1) == '*')
+ *v++ = '*';
+ *v = '\t';
+ if ((v - ko) <= 8)
+ {
+ om = (e = ++op) + 1;
+ while (e > v)
+ {
+ *e = *(e - 1);
+ e--;
+ }
+ }
+ }
+ om = (v = (op += 7)) + 1;
+ while (v >= ko + 7)
+ {
+ *v = *(v - 7);
+ v--;
+ }
+ memcopy(ko, "extern ", 7);
+ }
+ PUTCHR('(');
+ t = op;
+ e = 0;
+ /*UNDENT...*/
+ while (ie < ip)
+ {
+ if ((c = *ie) == ' ' || c == '\t' || c == '\n')
+ {
+ while ((c = *++ie) == ' ' || c == '\t' || c == '\n');
+ if (ie >= ip) break;
+ if (c != '*' && op > om) PUTCHR(' ');
+ }
+ if ((n = ((c = *ie) == ',')) || c == ';')
+ {
+ if (flags & EXTERN)
+ {
+ m = op;
+ while (op > om && ((c = *(op - 1)) == '(' || c == ')' || c == '[' || c == ']'))
+ op--;
+ v = op;
+ while (op > om && (c = *(op - 1)) != ' ' && c != '*')
+ op--;
+ while (*(op - 1) == ' ')
+ op--;
+ if (!e)
+ {
+ e = op;
+ while (e > om && *(e - 1) == '*')
+ e--;
+ }
+#if _s5r4_386_compiler_bug_fixed_
+ if (op <= om || *(op - 1) == ',' && (*op++ = ' '))
+ op = strcopy(op, "int");
+#else
+ if (op <= om)
+ op = strcopy(op, "int");
+ else if (*(op - 1) == ',')
+ op = strcopy(op, " int");
+#endif
+ while (v < m)
+ PUTCHR(*v++);
+ }
+ PUTCHR(',');
+ if (n)
+ {
+ if (x = !e) e = op - 1;
+ PUTCHR(' ');
+ m = t;
+ while (m < e)
+ PUTCHR(*m++);
+ if (x)
+ {
+ m = e;
+ while (*--e != ' ');
+ while (*(e - 1) == '*') e--;
+ op -= m - e;
+ }
+ }
+ while ((c = *++ie) == ' ' || c == '\t' || c == '\n');
+ if (ie >= ip) UNPUTCHR();
+ else PUTCHR(' ');
+ if (!n)
+ {
+ t = op;
+ e = 0;
+ }
+ }
+ else if (*ie == '*')
+ {
+ if (op > om && (c = *(op - 1)) == ' ') op--;
+ while (*ie == '*') PUTCHR(*ie++);
+ while (*ie == ' ' || *ie == '\t' || *ie == '\n') ie++;
+ if (c != '(') PUTCHR(' ');
+ }
+ else if (*ie == '(')
+ {
+ if (op > om && *(op - 1) == ' ') op--;
+ PUTCHR(*ie++);
+ while (*ie == ' ' || *ie == '\t' || *ie == '\n') ie++;
+ }
+ else if (*ie == ')')
+ {
+ if (op > om && *(op - 1) == '(')
+ proto_error((char*)proto + sizeof(struct proto), 1, "function pointer argument prototype omitted", NiL);
+ PUTCHR(*ie++);
+ while (*ie == ' ' || *ie == '\t' || *ie == '\n') ie++;
+ }
+ else if ((flags & EXTERN) && (op == om || *(op - 1) == ' ') && *ie == 'r' && !strncmp(ie, "register", 8) && (*(ie + 8) == ' ' || *(ie + 8) == '\t' || *(ie + 8) == '\n'))
+ {
+ ie += 8;
+ if (op > om) UNPUTCHR();
+ }
+ else PUTCHR(*ie++);
+ }
+ /*...INDENT*/
+ if (op <= om) op = strcopy(op, "void");
+ PUTCHR(')');
+ if (flags & EXTERN)
+ {
+ PUTCHR(';');
+ PUTCHR('\n');
+ SYNCOUT();
+ KEEPOUT();
+ }
+ else
+ {
+ PUTCHR('\n');
+ PUTCHR(*ip);
+ }
+ ip++;
+ flags &= ~(MATCH|SKIP);
+ }
+ }
+#endif
+ else if ((flags & (MATCH|PLUSONLY|SKIP|TOKENS)) == (MATCH|TOKENS))
+ {
+ line = proto->line;
+ op = strcopy(om, " __PARAM__(");
+ op = memcopy(op, im, ie - im);
+ PUTCHR(',');
+ PUTCHR(' ');
+ PUTCHR('(');
+ flags &= ~(MATCH|SKIP);
+ if (flags & VARIADIC)
+ {
+ if ((vc = ie - im + 1) > sizeof(proto->variadic)) vc = sizeof(proto->variadic);
+ memcopy(proto->variadic, im, vc);
+ op = strcopy(op, "va_alist)) __OTORP__(va_dcl)\n{");
+ }
+ else
+ {
+ flags |= SKIP;
+ proto->ip = im;
+ proto->op = op;
+ group = 0;
+ brack = 0;
+ for (;;)
+ {
+ switch (lex(proto, (flags & GLOBAL) | RECURSIVE))
+ {
+ case '[':
+ brack++;
+ continue;
+ case ']':
+ brack--;
+ continue;
+ case '(':
+ if (paren++) group++;
+ continue;
+ case ')':
+ if (--paren == 0)
+ {
+ group = 0;
+ if (flags & MATCH)
+ {
+ flags &= ~(MATCH|SKIP);
+ op = memcopy(op, m, e - m);
+ }
+ break;
+ }
+ continue;
+ case ',':
+ if (paren == 1)
+ {
+ group = 0;
+ if (flags & MATCH)
+ {
+ flags &= ~(MATCH|SKIP);
+ op = memcopy(op, m, e - m);
+ }
+ PUTCHR(',');
+ PUTCHR(' ');
+ proto->op = op;
+ }
+ continue;
+ case T_ID:
+ if (group <= 1 && !brack)
+ {
+ flags |= MATCH;
+ m = proto->tp;
+ e = proto->ip;
+ }
+ continue;
+ default:
+ continue;
+ }
+ break;
+ }
+ PUTCHR(')');
+ PUTCHR(')');
+ }
+ if (!(flags & SKIP))
+ {
+ flags |= SKIP;
+ proto->op = strcopy(op, " __OTORP__(");
+ proto->ip = im + 1;
+ n = *(ie - 1);
+ *(ie - 1) = ';';
+ c = *ie;
+ *ie = 0;
+ lex(proto, (flags & GLOBAL) | DECLARE);
+ *(ie - 1) = n;
+ *ie = c;
+ proto->ip = ie;
+ op = proto->op;
+ PUTCHR(')');
+ }
+ if (flags & EXTERNALIZE) memcpy(proto->ox, "extern", 6);
+ op = linesync(proto, op, proto->line = line);
+ if (flags & DIRECTIVE)
+ {
+ proto->brace = 0;
+ PUTCHR('\n');
+ PUTCHR('#');
+ }
+ else if (!(flags & VARIADIC)) PUTCHR('{');
+ }
+ }
+ flags &= ~(IDID|INDIRECT|MATCH|OTHER|SKIP);
+ call = 0;
+ group = 0;
+ break;
+ case '}':
+ flags &= ~(IDID|INDIRECT|MATCH|OTHER|SKIP|TOKENS);
+ if (--proto->brace == 0)
+ {
+ flags &= ~(INIT|VARIADIC|VARIADIC2);
+#if PROTOMAIN
+ if (flags & EXTERN) BACKOUT();
+#endif
+ }
+ call = 0;
+ group = 0;
+ paren = 0;
+ break;
+ case '=':
+ if (last == '?') flags |= DIRECTIVE;
+ else if (paren == 0 && (flags & (INIT|MATCH|SKIP)) == MATCH) goto fsm_statement;
+ goto fsm_other;
+ case ',':
+#if PROTOMAIN
+ if (flags & CLASSIC)
+ {
+ if (paren == 1) args++;
+ else
+ {
+ args--;
+ flags &= ~MATCH;
+ }
+ break;
+ }
+#endif
+ if (paren == 0 && (flags & DECLARE)) *(op - 1) = c = ';';
+ /*FALLTHROUGH*/
+ case ';':
+ fsm_statement:
+ if (flags & INIT) /* ignore */;
+#if PROTOMAIN
+ else if (flags & CLASSIC)
+ {
+ if (paren == 0)
+ {
+ if ((flags & MATCH) && last == ')')
+ flags &= ~MATCH;
+ if (!(flags & MATCH))
+ {
+ call = 0;
+ group = 0;
+ flags &= ~SKIP;
+ if (flags & EXTERN) BACKOUT();
+ if (flags & SLIDE)
+ {
+ SYNC();
+ return 0;
+ }
+ }
+ else
+ {
+ args--;
+ if ((flags & (EXTERN|SKIP)) == (EXTERN|SKIP))
+ BACKOUT();
+ }
+ }
+ }
+#endif
+ else if (paren == 0)
+ {
+ if ((flags & (MATCH|OTHER|SKIP)) == MATCH && call > 1)
+ {
+ if ((flags & MANGLE) && func)
+ {
+ func[0] = 'F';
+ func[1] = 'U';
+ func[2] = 'N';
+ func[3] = 'C';
+ func = 0;
+ }
+ if ((flags & (DECLARE|INDIRECT)) == INDIRECT && aim && aie < im)
+ {
+ while (aie < ip && (*aie == ' ' || *aie == '\t' || *aie == '\n')) aie++;
+ v = aim;
+ while (v < aie)
+ if (*v++ == ')') break;
+ while (v < aie && (*v == ' ' || *v == '\t' || *v == '\n')) v++;
+ if (v == aie || !(flags & PLUSPLUS))
+ {
+ if (flags & PLUSPLUS) n = 3;
+ else if (v == aie && *v == '(') n = 10;
+ else n = 11;
+ ko = op;
+ om += n;
+ v = op += n;
+ while (v >= ko + n)
+ {
+ *v = *(v - n);
+ v--;
+ }
+ if (flags & PLUSPLUS) memcopy(aom, "(...))", 6);
+ else if (n == 10) memcopy(aom, "(__VARARG__))", 13);
+ else
+ {
+ ko = strcopy(aom, " __PROTO__(");
+ ko = memcopy(ko, aim, aie - aim);
+ *ko = ')';
+ if (++ko >= om)
+ {
+ *ko++ = ')';
+ om = ko;
+ }
+ }
+ }
+ }
+ else if (flags & TYPEDEF)
+ {
+ op = om;
+ while (*--op == ' ' || *op == '\t' || *op == '\n');
+ if (*op != ')')
+ {
+ op = om += 14;
+ *--op = ')';
+ while ((x = *(op - 14)) >= 'A' && x <= 'Z' || x >= 'a' && x <= 'z' || x >= '0' && x <= '9' || x == '_')
+ *--op = x;
+ memcopy(op - 13, "(__OTORP__(*)", 13);
+ }
+ }
+ if (flags & OTHER)
+ ;
+ else if (flags & PLUSPLUS)
+ {
+ op = om;
+ if (!(flags & TOKENS)) op = strcopy(op, "(...)");
+ else op = memcopy(op, im, ie - im);
+ PUTCHR(c);
+ }
+ else
+ {
+ if (flags & DECLARE) op = strcopy(om, "()");
+ else if (!(flags & TOKENS)) op = strcopy(om, "(__VARARG__)");
+ else
+ {
+ op = strcopy(om, " __PROTO__(");
+ op = memcopy(op, im, ie - im);
+ PUTCHR(')');
+ }
+ if (flags & EXTERNALIZE) memcpy(proto->ox, "extern", 6);
+ PUTCHR(c);
+ }
+ flags &= ~(MATCH|VARIADIC|VARIADIC2);
+ if (c == ',' && !(flags & INDIRECT))
+ {
+ call = 1;
+ group = 0;
+ break;
+ }
+ }
+ else if (flags & (OTHER|SKIP)) call = 0;
+ if (c == ';')
+ {
+ flags &= ~(EXTERNALIZE|MANGLE|TOKENS|TYPEDEF);
+ call = 0;
+ if (flags & SLIDE)
+ {
+ SYNC();
+ return 0;
+ }
+ }
+ else call = call > 1 && c == ',';
+ group = 0;
+ flags &= ~(IDID|INDIRECT|MATCH|OTHER|SKIP);
+ }
+ else if (paren == 1 && group == 1 && !(flags & (IDID|MANGLE))) flags |= TOKENS|OTHER;
+ break;
+ case T_DO:
+ case T_IF:
+ flags |= TOKENS|SKIP;
+ break;
+ case T_EXTERN:
+#if PROTOMAIN
+ if (flags & CLASSIC)
+ {
+ if (proto->brace == 0)
+ flags |= SKIP;
+ }
+ else
+#endif
+ if (paren == 0 && !(flags & TYPEDEF))
+ {
+ flags |= MANGLE;
+ if (!(flags & PLUSONLY) || proto->package)
+ {
+ op = strcopy(op, " __MANGLE__");
+ if (proto->package)
+ {
+ op = strcopy(op - 1, proto->package);
+ func = op + 1;
+ op = strcopy(op, "_DATA__");
+ }
+ }
+ else
+ func = 0;
+ }
+ break;
+ case T_VARIADIC:
+ if (paren == 0 && (flags & (DECLARE|VARIADIC)) == DECLARE)
+ {
+ op -= 3;
+ SYNC();
+ return c;
+ }
+ if (paren == 1 && !(flags & SKIP))
+ flags |= VARIADIC;
+ flags |= TOKENS;
+ break;
+ case T_VOID:
+ goto fsm_id;
+ case T_VA_START:
+ if ((flags & (PLUSONLY|VARIADIC)) == VARIADIC)
+ {
+ flags &= ~MATCH;
+ line = proto->line;
+ op = strcopy(op - 8, "__VA_START__");
+ SYNC();
+ for (;;)
+ {
+ switch (lex(proto, (flags & GLOBAL) | RECURSIVE))
+ {
+ case 0:
+ case ';':
+ break;
+ case T_ID:
+ if (!(flags & MATCH))
+ {
+ flags |= MATCH;
+ m = proto->tp;
+ e = proto->ip;
+ }
+ continue;
+ default:
+ continue;
+ }
+ break;
+ }
+ CACHE();
+ if (flags & MATCH)
+ {
+ v = m;
+ n = e - m;
+ }
+ else
+ {
+ v = "ap";
+ n = 2;
+ }
+ op = strcopy(op, " __OTORP__(");
+ proto->ip = proto->variadic;
+ proto->op = op;
+ flags &= ~MATCH;
+ group = 0;
+ bp = proto->ip + 1;
+ if (*bp == 'r' && !strncmp(bp, "register", 8) && (*(bp + 8) == ' ' || *(bp + 8) == '\t')) bp += 9;
+ for (;;)
+ {
+ switch (lex(proto, (flags & GLOBAL) | RECURSIVE))
+ {
+ case '(':
+ if (paren++) group++;
+ continue;
+ case ')':
+ if (--paren == 0)
+ {
+ if (flags & MATCH)
+ {
+ flags &= ~MATCH;
+ if (!(flags & VARIADIC2))
+ {
+ op = memcopy(op, m, e - m);
+ op = strcopy(op, " = ");
+ }
+ op = strcopy(op, "va_arg(");
+ op = memcopy(op, v, n);
+ PUTCHR(',');
+ PUTCHR(' ');
+ if (m > bp) op = memcopy(op, bp, m - bp);
+ else op = strcopy(op, "int ");
+ if (group > 1) op = strcopy(op, ")()");
+ else op = memcopy(op, e, proto->ip - e - 1);
+ PUTCHR(')');
+ PUTCHR(';');
+ }
+ group = 0;
+ break;
+ }
+ continue;
+ case ',':
+ if (paren == 1)
+ {
+ if (flags & MATCH)
+ {
+ flags &= ~MATCH;
+ if (!(flags & VARIADIC2))
+ {
+ op = memcopy(op, m, e - m);
+ op = strcopy(op, " = ");
+ }
+ op = strcopy(op, "va_arg(");
+ op = memcopy(op, v, n);
+ PUTCHR(',');
+ PUTCHR(' ');
+ if (m > bp) op = memcopy(op, bp, m - bp);
+ else op = strcopy(op, "int ");
+ if (group > 1) op = strcopy(op, ")()");
+ else op = memcopy(op, e, proto->ip - e - 1);
+ PUTCHR(')');
+ PUTCHR(';');
+ bp = proto->ip + 1;
+ if (*bp == 'r' && !strncmp(bp, "register", 8) && (*(bp + 8) == ' ' || *(bp + 8) == '\t')) bp += 9;
+ }
+ group = 0;
+ proto->op = op;
+ }
+ continue;
+ case T_ID:
+ if (group <= 1)
+ {
+ flags |= MATCH;
+ m = proto->tp;
+ e = proto->ip;
+ }
+ continue;
+ default:
+ continue;
+ }
+ break;
+ }
+ op = strcopy(op, ")");
+ flags |= VARIADIC2;
+ proto->line = line;
+ call = 0;
+ break;
+ }
+ /*FALLTHROUGH*/
+ case T_ID:
+ fsm_id:
+#if PROTOMAIN
+ if (flags & CLASSIC)
+ {
+ if (!args && paren == 1) args++;
+ break;
+ }
+#endif
+ if (paren == 0)
+ {
+ if (last == ')')
+ {
+ if (proto->brace == 0 && !(flags & DECLARE)) flags |= SKIP;
+ call = !call;
+ }
+ else if ((flags & SKIP) || c == T_ID || c == T_VOID) call++;
+ else flags |= SKIP;
+ if (last == T_ID) flags |= IDID;
+ }
+ c = T_ID;
+ flags |= TOKENS;
+ break;
+ case T_INVALID:
+ if (*proto->tp >= '0' && *proto->tp <= '9')
+ {
+ n = 0;
+ for (;; op--)
+ {
+ switch (*(op - 1))
+ {
+ case 'f':
+ case 'F':
+ t = op;
+ while ((c = *--t) >= '0' && c <= '9' || c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z');
+ if (*t == '.')
+ op--;
+ n = 0;
+ break;
+ case 'l':
+ case 'L':
+ if (!(n & 01))
+ {
+ n |= 01;
+ t = op;
+ while ((c = *--t) >= '0' && c <= '9' || c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z');
+ if (*t == '.')
+ {
+ n = 0;
+ op--;
+ break;
+ }
+ }
+ continue;
+ case 'u':
+ case 'U':
+ n |= 02;
+ continue;
+ }
+ break;
+ }
+ if (n & 01)
+ *op++ = 'L';
+ if (n & 02)
+ {
+ m = op;
+ t = op = m + 10;
+ while ((c = *--m) >= '0' && c <= '9' || c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z')
+ *--t = c;
+ c = *t;
+ strcopy(m + 1, "(unsigned)");
+ *t = c;
+ break;
+ }
+ }
+ goto fsm_other;
+#if PROTOMAIN
+ case '[':
+ if ((flags & CLASSIC) && paren == 0 && group <= 2) flags |= SKIP;
+ /*FALLTHROUGH*/
+#endif
+ default:
+ fsm_other:
+#if PROTOMAIN
+ if (flags & CLASSIC) break;
+#endif
+ flags |= TOKENS;
+ if (paren == 0) flags |= OTHER;
+ break;
+ }
+ else if (c == '#' && *ip != '(') flags |= SHARP;
+ last = c;
+#if PROTOMAIN
+ if ((flags & (EXTERN|MATCH)) == (EXTERN|MATCH) && ((flags & (DIRECTIVE|SKIP)) || proto->brace || c != '(' && c != ')' && c != '*' && c != T_ID))
+ CACHEOUT();
+ else
+#endif
+ SYNCOUT();
+ goto fsm_start;
+ }
+ else if (flags & (INIT_DEFINE|INIT_INCLUDE))
+ {
+#if PROTOMAIN
+ if ((flags & YACC) && c == '%' && *ip == '{') t = 0;
+ else
+#endif
+ {
+ if (c == '#') for (t = ip; *t == ' ' || *t == '\t'; t++);
+ else t = "";
+ if (*t++ == 'i' && *t++ == 'f' && *t++ == 'n' && *t++ == 'd' && *t++ == 'e' && *t++ == 'f')
+ {
+#if !PROTOMAIN
+ while (*t == ' ' || *t == '\t') t++;
+ if (*t != '_')
+#endif
+ t = 0;
+ }
+ }
+ if (t)
+ {
+ ip = bp;
+ op = proto->op;
+ }
+ else while (*ip != '\n') *op++ = *ip++;
+ op = init(proto, op, flags);
+ op = linesync(proto, op, proto->line);
+ flags &= ~(INIT_DEFINE|INIT_INCLUDE);
+ proto->flags &= ~(INIT_DEFINE|INIT_INCLUDE);
+ goto fsm_start;
+ }
+ SYNC();
+ return c;
+}
+
+/*
+ * close a proto buffer stream
+ */
+
+void
+pppclose(char* iob)
+{
+ register struct proto* proto = (struct proto*)(iob - sizeof(struct proto));
+
+ if (proto->flags & MORE) close(proto->fd);
+ free((char*)proto); /* some ANSI cc's botch the free() prototype */
+}
+
+/*
+ * open a new proto buffer stream
+ * read buffer pointer returned
+ * 0 returned on error or if no magic
+ *
+ * file !=0 file path to open, otherwise use fd
+ * fd open file fd if file==0
+ * notice !=0 copyright notice info commented at the top
+ * options !=0 additional notice name=value pairs, space or ; separated
+ * package !=0 generate header for this package
+ */
+
+char*
+pppopen(char* file, int fd, char* notice, char* options, char* package, char* comment, int flags)
+{
+ register struct proto* proto;
+ register char* iob;
+ register long n;
+ register char* s;
+ int pragma;
+ char* b;
+#if PROTOMAIN
+ int comlen;
+ char com[80];
+#endif
+ int m = 0;
+
+ static int retain;
+
+ /*
+ * initialize proto
+ */
+
+#if PROTOMAIN
+ if (flags & PROTO_CLASSIC) flags &= ~PROTO_INCLUDE;
+#endif
+ if (flags & PROTO_RETAIN) flags &= ~retain;
+ else retain &= PROTO_INITIALIZED;
+ if (file && (fd = open(file, O_RDONLY)) < 0) return 0;
+#if !PROTOMAIN
+ if ((n = lseek(fd, 0L, 2)) > 0)
+ {
+ if (lseek(fd, 0L, 0)) return 0;
+ if (n < CHUNK) n = CHUNK;
+ else if (n > 2 * BLOCK) n = 0;
+ m = 1;
+ }
+ if (n > 0)
+ {
+ /*
+ * file read in one chunk
+ */
+
+ if (!(proto = newof(0, struct proto, 1, 4 * n + 2)))
+ return 0;
+ proto->iz = n;
+ proto->oz = 3 * n;
+ n = 0;
+ }
+ else
+#endif
+ {
+ /*
+ * file read in BLOCK chunks
+ */
+
+ n = BLOCK;
+ if (!(proto = newof(0, struct proto, 1, 5 * n + 2)))
+ return 0;
+ proto->iz = n;
+ proto->oz = 3 * n;
+ proto->flags |= MORE;
+ }
+ proto->fd = fd;
+ proto->package = package;
+ iob = (char*)proto + sizeof(struct proto);
+ proto->op = proto->ob = iob;
+ proto->ip = proto->ib = iob + proto->oz + n;
+ if (m) proto->options |= REGULAR;
+ if (!comment)
+ comment = "/*";
+ if (!(proto->cc[0] = comment[0]))
+ notice = options = 0;
+ else if (comment[1])
+ {
+ proto->cc[1] = comment[1];
+ proto->cc[2] = comment[2] ? comment[2] : comment[0];
+ }
+ else
+ proto->cc[1] = proto->cc[2] = comment[0];
+
+ /*
+ * read the first chunk
+ */
+
+ n = read(fd, proto->ip, proto->iz);
+ if (!(proto->flags & MORE))
+ close(fd);
+ if (n < 0)
+ {
+ pppclose(iob);
+ return 0;
+ }
+ *(proto->ip + n) = 0;
+
+ /*
+ * check for proto pragma in first block of lines
+ * pragma blanked out if found
+ *
+ * -1 no pragma
+ * 0 #pragma noprototyped
+ * 1 #pragma prototyped
+ *
+ * NOTE: matches may occur inside comments and quotes
+ */
+
+#if PROTOMAIN
+ if (!notice && !options || (comlen = astlicense(com, sizeof(com), NiL, "type=check", proto->cc[0], proto->cc[1], proto->cc[2])) <= 0)
+ *com = 0;
+#endif
+ pragma = -1;
+ s = proto->ip;
+ m = MAGICTOP;
+ while (m-- > 0 && *s)
+ {
+ while (*s == ' ' || *s == '\t') s++;
+ if (*s == '#')
+ {
+ b = s++;
+ while (*s == ' ' || *s == '\t') s++;
+ if (!strncmp(s, MAGICDIR, sizeof(MAGICDIR) - 1) && (*(s += sizeof(MAGICDIR) - 1) == ' ' || *s == '\t'))
+ {
+ while (*s == ' ' || *s == '\t') s++;
+ if (*s == 'n' && *(s + 1) == 'o')
+ {
+ s += 2;
+ pragma = -2;
+ }
+ if (!strncmp(s, MAGICARG, sizeof(MAGICARG) - 1) && (*(s += sizeof(MAGICARG) - 1) == ' ' || *s == '\t' || *s == '\n' || *s == '\r'))
+ while (*s)
+ {
+ if ((*(s - 1) == ' ' || *(s - 1) == '\t') && *s == *MAGICOFF && !strncmp(s, MAGICOFF, sizeof(MAGICOFF) - 1))
+ notice = options = 0;
+ if (*s++ == '\n')
+ {
+ pragma += 2;
+#if PROTOMAIN
+ if (!(flags & PROTO_DISABLE) || (flags & PROTO_NOPRAGMA))
+#endif
+ for (s--; b < s; *b++ = ' ');
+ goto magic;
+ }
+ }
+ pragma = -1;
+ }
+ }
+ else if (*s == '/' && !strncmp(s, MAGICGEN, sizeof(MAGICGEN) - 1))
+ {
+ pragma = 0;
+ break;
+ }
+#if PROTOMAIN
+ else if (*s == '%' && *(s + 1) == '{')
+ proto->flags |= YACC;
+ if (notice || options)
+ {
+ if (*s == *com && !strncmp(s, com, comlen))
+ notice = options = 0;
+ else
+ while (*s)
+ {
+ if (*s == *NOTICED && !strncmp(s, NOTICED, sizeof(NOTICED) - 1))
+ {
+ s += sizeof(NOTICED) - 1;
+ while (*s == ' ' || *s == '\t')
+ s++;
+ if (*s == '(' && (*(s + 1) == 'c' || *(s + 1) == 'C') && *(s + 2) == ')' || *s >= '0' && *s <= '9' && *(s + 1) >= '0' && *(s + 1) <= '9')
+ {
+ notice = options = 0;
+ break;
+ }
+ }
+ else if (*s++ == '\n')
+ {
+ s--;
+ break;
+ }
+ }
+ }
+#endif
+ while (*s && *s++ != '\n');
+ }
+ magic:
+ if (flags & PROTO_PLUSPLUS) proto->flags |= PLUSPLUS;
+ if (flags & PROTO_TEST) proto->test = 1;
+ if (flags & PROTO_EXTERNALIZE) proto->options |= EXTERNALIZE;
+#if PROTOMAIN
+ if (flags & PROTO_CLASSIC) pragma = -pragma;
+ if (flags & PROTO_DISABLE) pragma = 0;
+ if (flags & PROTO_LINESYNC) proto->flags |= LINESYNC;
+ if (!(proto->flags & YACC) && file && (m = strlen(file)) > 2 && file[--m] == 'y' && file[--m] == '.')
+ proto->flags |= YACC;
+#endif
+ if (pragma <= 0)
+ {
+ if (flags & PROTO_PLUSPLUS)
+ {
+ flags &= ~(PROTO_HEADER|PROTO_INCLUDE);
+ proto->flags |= PLUSONLY;
+ }
+ else if (!(flags & (PROTO_FORCE|PROTO_PASS)))
+ {
+ pppclose(iob);
+ return 0;
+ }
+ else if ((flags & (PROTO_FORCE|PROTO_PASS)) == PROTO_PASS || !pragma)
+ {
+ proto->flags |= PASS;
+ if (proto->flags & MORE)
+ proto->oz += proto->iz;
+ proto->iz = n;
+ if (notice || options)
+ {
+ if (proto->cc[0] == '#' && proto->ip[0] == '#' && proto->ip[1] == '!')
+ {
+ s = proto->ip;
+ while (*s && *s++ != '\n');
+ m = s - proto->ip;
+ proto->op = memcopy(proto->op, proto->ip, m);
+ proto->ip = s;
+ proto->iz = n -= m;
+ }
+#if PROTOMAIN
+ if (proto->cc[0])
+ {
+ if ((comlen = astlicense(proto->op, proto->oz, notice, options, proto->cc[0], proto->cc[1], proto->cc[2])) < 0)
+ proto_error((char*)proto + sizeof(struct proto), 1, proto->op, NiL);
+ else
+ proto->op += comlen;
+ }
+ if (!(flags & PROTO_CLASSIC) && !(proto->flags & YACC))
+#endif
+ proto->op = linesync(proto, proto->op, 1);
+ proto->iz += proto->op - proto->ob;
+ }
+ memcopy(proto->op, proto->ip, n);
+ return iob;
+ }
+ }
+#if PROTOMAIN
+ if (!(retain & PROTO_INITIALIZED))
+ {
+ retain |= PROTO_INITIALIZED;
+ ppfsm(FSM_INIT, NiL);
+ }
+#endif
+ proto->line = 1;
+#if CHUNK >= 512
+ if (notice || options || (flags & (PROTO_HEADER|PROTO_INCLUDE)))
+ {
+#if PROTOMAIN
+ if (notice || options)
+ {
+ if ((comlen = astlicense(proto->op, proto->oz, notice, options, proto->cc[0], proto->cc[1], proto->cc[2])) < 0)
+ proto_error((char*)proto + sizeof(struct proto), 1, proto->op, NiL);
+ else
+ proto->op += comlen;
+ }
+#endif
+ if (flags & PROTO_INCLUDE)
+ {
+ proto->flags |= INIT_INCLUDE;
+ if (flags & PROTO_RETAIN)
+ retain |= PROTO_INCLUDE;
+ }
+ else if (flags & PROTO_HEADER)
+ {
+ if (flags & PROTO_RETAIN) retain |= PROTO_HEADER;
+#if PROTOMAIN
+ if (flags & PROTO_CLASSIC)
+ {
+ *proto->op++ = '#';
+ proto->op = strcopy(proto->op, MAGICDIR);
+ *proto->op++ = ' ';
+ proto->op = strcopy(proto->op, MAGICARG);
+ *proto->op++ = '\n';
+ }
+ else
+#endif
+ proto->flags |= INIT_DEFINE;
+ }
+#if PROTOMAIN
+ if (!(flags & PROTO_CLASSIC))
+ {
+ if (proto->flags & YACC)
+ {
+ proto->op = strcopy(proto->op, "\n%{\n" + !notice);
+ proto->op = strcopy(proto->op, MAGICGEN);
+ proto->op = strcopy(proto->op, "%}\n");
+ }
+ else
+ {
+ if (n || notice || options)
+ *proto->op++ = '\n';
+ proto->op = strcopy(proto->op, MAGICGEN);
+ if (n)
+ proto->op = linesync(proto, proto->op, proto->line);
+ else if (proto->flags & (INIT_DEFINE|INIT_INCLUDE))
+ proto->op = init(proto, proto->op, proto->flags);
+ }
+ }
+#endif
+ }
+#endif
+#if PROTOMAIN
+ proto->file = file;
+ if (flags & PROTO_CLASSIC)
+ {
+ proto->flags |= CLASSIC;
+ if (!(flags & PROTO_HEADER)) proto->flags |= EXTERN;
+ }
+#endif
+ return iob;
+}
+
+/*
+ * read next proto'd chunk into iob
+ * the chunk is 0 terminated and its size is returned
+ */
+
+int
+pppread(char* iob)
+{
+ register struct proto* proto = (struct proto*)(iob - sizeof(struct proto));
+ register int n;
+
+ if (proto->flags & PASS)
+ {
+ if (proto->iz)
+ {
+ n = proto->iz;
+ proto->iz = 0;
+ }
+ else if (!(proto->flags & MORE)) n = 0;
+ else if ((n = read(proto->fd, proto->ob, proto->oz)) <= 0 || (proto->options & REGULAR) && n < proto->oz)
+ {
+ proto->flags &= ~MORE;
+ close(proto->fd);
+ }
+ }
+ else
+ {
+ if (proto->op == proto->ob)
+ {
+ if (proto->flags & ERROR) return -1;
+#if PROTOMAIN
+ if (proto->flags & YACC)
+ {
+ register char* ip = proto->ip;
+ register char* op = proto->ob;
+ register char* ep = proto->ob + proto->oz - 2;
+
+ if (!*ip)
+ {
+ ip = proto->ip = proto->ib;
+ if (!(proto->flags & MORE)) n = 0;
+ else if ((n = read(proto->fd, ip, proto->iz)) <= 0 || (proto->options & REGULAR) && n < proto->iz)
+ {
+ if (n < 0) n = 0;
+ proto->flags &= ~MORE;
+ close(proto->fd);
+ }
+ ip[n] = 0;
+ }
+ if (proto->flags & YACCSPLIT)
+ {
+ proto->flags &= ~YACCSPLIT;
+ if (*ip == '%')
+ {
+ *op++ = *ip++;
+ if (proto->flags & YACC2) proto->flags &= ~YACC;
+ else proto->flags |= YACC2;
+ }
+ }
+ if (proto->flags & YACC)
+ while (op < ep && (n = *op++ = *ip))
+ {
+ ip++;
+ if (n == '%')
+ {
+ if (*ip == '%' && (ip == proto->ip + 1 || *(ip - 2) == '\n'))
+ {
+ *op++ = *ip++;
+ if (proto->flags & YACC2) proto->flags &= ~YACC;
+ else proto->flags |= YACC2;
+ break;
+ }
+ if (!*ip)
+ {
+ *op++ = '%';
+ proto->flags |= YACCSPLIT;
+ break;
+ }
+ }
+ else if (n == '\n') proto->line++;
+ }
+ proto->op = memcopy(proto->ob, proto->ip, ip - proto->ip);
+ proto->ip = ip;
+ }
+ else
+#endif
+ lex(proto, proto->flags);
+ if ((proto->flags & (ERROR|MORE)) == ERROR)
+ proto->op = strcopy(proto->op, "/* NOTE: some constructs may not have been converted */\n");
+ }
+ n = proto->op - proto->ob;
+ proto->op = proto->ob;
+ }
+ return n;
+}
+
+#if !PROTOMAIN
+
+/*
+ * drop control of iob after first pppread()
+ * return value is input fd
+ * if fd<0 then all data in iob
+ */
+
+int
+pppdrop(char* iob)
+{
+ register struct proto* proto = (struct proto*)(iob - sizeof(struct proto));
+
+ if (proto->flags & MORE)
+ {
+ proto->flags &= ~MORE;
+ return proto->fd;
+ }
+ return -1;
+}
+
+#endif