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-rw-r--r--idlc/source/preproc/tokens.c534
1 files changed, 534 insertions, 0 deletions
diff --git a/idlc/source/preproc/tokens.c b/idlc/source/preproc/tokens.c
new file mode 100644
index 000000000000..23ab88a5a9e3
--- /dev/null
+++ b/idlc/source/preproc/tokens.c
@@ -0,0 +1,534 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#if (defined(_WIN32) || defined(_MSDOS) || defined(__IBMC__))
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+#include "cpp.h"
+
+
+static char wbuf[4 * OBS];
+static char *wbp = wbuf;
+static int EBCDIC_ExternTokenDetected = 0;
+static int EBCDIC_StartTokenDetected = 0;
+
+unsigned char toLatin1[256] =
+{
+ 0x00, 0x01, 0x02, 0x03, 0x9c, 0x09, 0x86, 0x7f, 0x97, 0x8d,
+ 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
+ 0x9d, 0x0a, 0x08, 0x87, 0x18, 0x19, 0x92, 0x8f, 0x1c, 0x1d,
+ 0x1e, 0x1f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x17, 0x1b,
+ 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, 0x90, 0x91,
+ 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 0x98, 0x99, 0x9a, 0x9b,
+ 0x14, 0x15, 0x9e, 0x1a, 0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1,
+ 0xe3, 0xe5, 0xe7, 0xf1, 0xa2, 0x2e, 0x3c, 0x28, 0x2b, 0x7c,
+ 0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef, 0xec, 0xdf,
+ 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x5e, 0x2d, 0x2f, 0xc2, 0xc4,
+ 0xc0, 0xc1, 0xc3, 0xc5, 0xc7, 0xd1, 0xa6, 0x2c, 0x25, 0x5f,
+ 0x3e, 0x3f, 0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf,
+ 0xcc, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22,
+ 0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+ 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, 0xb0, 0x6a, 0x6b, 0x6c,
+ 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8,
+ 0xc6, 0xa4, 0xb5, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+ 0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0x5b, 0xde, 0xae, 0xac, 0xa3,
+ 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc, 0xbd, 0xbe, 0xdd, 0xa8,
+ 0xaf, 0x5d, 0xb4, 0xd7, 0x7b, 0x41, 0x42, 0x43, 0x44, 0x45,
+ 0x46, 0x47, 0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5,
+ 0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52,
+ 0xb9, 0xfb, 0xfc, 0xf9, 0xfa, 0xff, 0x5c, 0xf7, 0x53, 0x54,
+ 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2,
+ 0xd3, 0xd5, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0xb3, 0xdb, 0xdc, 0xd9, 0xda, 0x9f
+};
+
+#define MASK "\\x%x"
+
+int
+ memcpy_EBCDIC( char * pwbuf, uchar *p, int len )
+{
+ int currpos = 0;
+ int processedchars = 0;
+
+ if( len == 0 )
+ return 0;
+
+ if( len == 1 )
+ {
+ *pwbuf = *p;
+ return 1;
+ }
+
+ /* copy spaces until " or ' */
+ while( (p[ processedchars ] != '\"') && (p[ processedchars ] != '\'') )
+ pwbuf[ currpos++ ] = p[ processedchars++ ];
+
+ /* copy first " or ' */
+ pwbuf[ currpos++ ] = p[ processedchars++ ];
+
+ /* convert all characters until " or ' */
+ while( processedchars < (len - 1) )
+ {
+ if( p[ processedchars ] == '\\' )
+ {
+ switch( p[ ++processedchars ] )
+ {
+ case 'n':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\n'] );
+ processedchars++;
+ break;
+
+ case 't':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\t'] );
+ processedchars++;
+ break;
+
+ case 'v':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\v'] );
+ processedchars++;
+ break;
+
+ case 'b':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\b'] );
+ processedchars++;
+ break;
+
+ case 'r':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\r'] );
+ processedchars++;
+ break;
+
+ case 'f':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\f'] );
+ processedchars++;
+ break;
+
+ case 'a':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\a'] );
+ processedchars++;
+ break;
+
+ case '\\':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\\'] );
+ processedchars++;
+ break;
+
+ case '?':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\?'] );
+ processedchars++;
+ break;
+
+ case '\'':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\''] );
+ processedchars++;
+ break;
+
+ case '"':
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1['\"'] );
+ processedchars++;
+ break;
+
+ /* octal coded character? -> copy */
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ {
+ int startpos = currpos;
+
+ pwbuf[ currpos++ ] = '\\';
+
+ while( p[ processedchars ] >= '0' && p[ processedchars ] <= '7' && (currpos < startpos + 4) )
+ pwbuf[ currpos++ ] = (unsigned char)p[ processedchars++ ];
+ break;
+ }
+
+ /* hex coded character? -> copy */
+ case 'x':
+ case 'X':
+ {
+ int startpos = currpos;
+
+ pwbuf[ currpos++ ] = '\\';
+ pwbuf[ currpos++ ] = 'x';
+ processedchars++;
+
+ while( isxdigit( p[ processedchars ] ) && (currpos < startpos + 4) )
+ pwbuf[ currpos++ ] = (unsigned char)p[ processedchars++ ];
+ break;
+ }
+
+ }
+ }
+ else
+ currpos += sprintf( &pwbuf[ currpos ], MASK, toLatin1[p[ processedchars++ ]] );
+
+ }
+
+ /* copy last " or ' */
+ pwbuf[ currpos++ ] = p[ processedchars ];
+
+ return currpos;
+}
+
+void
+ maketokenrow(int size, Tokenrow * trp)
+{
+ trp->max = size;
+ if (size > 0)
+ trp->bp = (Token *) domalloc(size * sizeof(Token));
+ else
+ trp->bp = NULL;
+ trp->tp = trp->bp;
+ trp->lp = trp->bp;
+}
+
+Token *
+ growtokenrow(Tokenrow * trp)
+{
+ int ncur = trp->tp - trp->bp;
+ int nlast = trp->lp - trp->bp;
+
+ trp->max = 3 * trp->max / 2 + 1;
+ trp->bp = (Token *) realloc(trp->bp, trp->max * sizeof(Token));
+ trp->lp = &trp->bp[nlast];
+ trp->tp = &trp->bp[ncur];
+ return trp->lp;
+}
+
+/*
+ * Compare a row of tokens, ignoring the content of WS; return !=0 if different
+ */
+int
+ comparetokens(Tokenrow * tr1, Tokenrow * tr2)
+{
+ Token *tp1, *tp2;
+
+ tp1 = tr1->tp;
+ tp2 = tr2->tp;
+ if (tr1->lp - tp1 != tr2->lp - tp2)
+ return 1;
+ for (; tp1 < tr1->lp; tp1++, tp2++)
+ {
+ if (tp1->type != tp2->type
+ || (tp1->wslen == 0) != (tp2->wslen == 0)
+ || tp1->len != tp2->len
+ || strncmp((char *) tp1->t, (char *) tp2->t, tp1->len) != 0)
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * replace ntok tokens starting at dtr->tp with the contents of str.
+ * tp ends up pointing just beyond the replacement.
+ * Canonical whitespace is assured on each side.
+ */
+void
+ insertrow(Tokenrow * dtr, int ntok, Tokenrow * str)
+{
+ int nrtok = rowlen(str);
+
+ dtr->tp += ntok;
+ adjustrow(dtr, nrtok - ntok);
+ dtr->tp -= ntok;
+ movetokenrow(dtr, str);
+ dtr->tp += nrtok;
+}
+
+/*
+ * make sure there is WS before trp->tp, if tokens might merge in the output
+ */
+void
+ makespace(Tokenrow * trp, Token * ntp)
+{
+ uchar *tt;
+ Token *tp = trp->tp;
+
+ if (tp >= trp->lp)
+ return;
+
+ if (ntp->wslen)
+ {
+ tt = newstring(tp->t, tp->len, ntp->wslen);
+ strncpy((char *)tt, (char *)ntp->t - ntp->wslen, ntp->wslen);
+ tp->t = tt + ntp->wslen;
+ tp->wslen = ntp->wslen;
+ tp->flag |= XPWS;
+ }
+}
+
+/*
+ * Copy an entire tokenrow into another, at tp.
+ * It is assumed that there is enough space.
+ * Not strictly conforming.
+ */
+void
+ movetokenrow(Tokenrow * dtr, Tokenrow * str)
+{
+ int nby;
+
+ /* nby = sizeof(Token) * (str->lp - str->bp); */
+ nby = (char *) str->lp - (char *) str->bp;
+ memmove(dtr->tp, str->bp, nby);
+}
+
+/*
+ * Move the tokens in a row, starting at tr->tp, rightward by nt tokens;
+ * nt may be negative (left move).
+ * The row may need to be grown.
+ * Non-strictly conforming because of the (char *), but easily fixed
+ */
+void
+ adjustrow(Tokenrow * trp, int nt)
+{
+ int nby, size;
+
+ if (nt == 0)
+ return;
+ size = (trp->lp - trp->bp) + nt;
+ while (size > trp->max)
+ growtokenrow(trp);
+ /* nby = sizeof(Token) * (trp->lp - trp->tp); */
+ nby = (char *) trp->lp - (char *) trp->tp;
+ if (nby)
+ memmove(trp->tp + nt, trp->tp, nby);
+ trp->lp += nt;
+}
+
+/*
+ * Copy a row of tokens into the destination holder, allocating
+ * the space for the contents. Return the destination.
+ */
+Tokenrow *
+ copytokenrow(Tokenrow * dtr, Tokenrow * str)
+{
+ int len = rowlen(str);
+
+ maketokenrow(len, dtr);
+ movetokenrow(dtr, str);
+ dtr->lp += len;
+ return dtr;
+}
+
+/*
+ * Produce a copy of a row of tokens. Start at trp->tp.
+ * The value strings are copied as well. The first token
+ * has WS available.
+ */
+Tokenrow *
+ normtokenrow(Tokenrow * trp)
+{
+ Token *tp;
+ Tokenrow *ntrp = new(Tokenrow);
+ int len;
+
+ len = trp->lp - trp->tp;
+ if (len <= 0)
+ len = 1;
+ maketokenrow(len, ntrp);
+ for (tp = trp->tp; tp < trp->lp; tp++)
+ {
+ *ntrp->lp = *tp;
+ if (tp->len)
+ {
+ ntrp->lp->t = newstring(tp->t, tp->len, 1);
+ *ntrp->lp->t++ = ' ';
+ if (tp->wslen)
+ ntrp->lp->wslen = 1;
+ }
+ ntrp->lp++;
+ }
+ if (ntrp->lp > ntrp->bp)
+ ntrp->bp->wslen = 0;
+ return ntrp;
+}
+
+/*
+ * Debugging
+ */
+void
+ peektokens(Tokenrow * trp, char *str)
+{
+ Token *tp;
+
+ tp = trp->tp;
+ flushout();
+ if (str)
+ fprintf(stderr, "%s ", str);
+ if (tp < trp->bp || tp > trp->lp)
+ fprintf(stderr, "(tp offset %ld) ", (long)(tp - trp->bp));
+ for (tp = trp->bp; tp < trp->lp && tp < trp->bp + 32; tp++)
+ {
+ if (tp->type != NL)
+ {
+ int c = tp->t[tp->len];
+
+ tp->t[tp->len] = 0;
+ fprintf(stderr, "%s", tp->t);
+ tp->t[tp->len] = (uchar) c;
+ }
+ fprintf(stderr, tp == trp->tp ? "{%x*} " : "{%x} ", tp->type);
+ }
+ fprintf(stderr, "\n");
+ fflush(stderr);
+}
+
+void
+ puttokens(Tokenrow * trp)
+{
+ Token *tp;
+ int len;
+ uchar *p;
+
+ if (Vflag)
+ peektokens(trp, "");
+ tp = trp->bp;
+ for (; tp < trp->lp; tp++)
+ {
+ if (tp->type != NL)
+ {
+ len = tp->len + tp->wslen;
+ p = tp->t - tp->wslen;
+
+ /* EBCDIC to ANSI conversion requested? */
+ if( Aflag )
+ {
+ /* keyword __ToLatin1__ found? -> do conversion! */
+ if( EBCDIC_StartTokenDetected )
+ {
+ /* previous token was 'extern'? -> don't convert current token! */
+ if( EBCDIC_ExternTokenDetected )
+ {
+ EBCDIC_ExternTokenDetected = 0;
+ memcpy(wbp, p, len);
+ }
+ else
+ {
+ /* current token is keyword 'extern'? -> don't convert following token! */
+ if( (tp->wslen == 0) && (strncmp( (char*)p, "extern", len ) == 0) )
+ {
+ EBCDIC_ExternTokenDetected = 1;
+ memcpy(wbp, p, len);
+ }
+ else
+ {
+ /* token is string or char? -> process EBCDIC to ANSI conversion */
+ if ((tp->type == STRING) || (tp->type == CCON))
+ len = memcpy_EBCDIC(wbp, p, len);
+ else
+ memcpy(wbp, p, len);
+ }
+ }
+ }
+ else
+ /* keyword __ToLatin1__ found? -> don't copy keyword and start conversion */
+ if( (tp->type == NAME) && (strncmp( (char*)p, "__ToLatin1__", len) == 0) )
+ {
+ EBCDIC_StartTokenDetected = 1;
+ len = 0;
+ }
+ else
+ memcpy(wbp, p, len);
+ }
+ else
+ memcpy(wbp, p, len);
+
+ wbp += len;
+ }
+ else
+ *wbp++ = '\n';
+
+ if (wbp >= &wbuf[OBS])
+ {
+ if (write(1, wbuf, OBS) != OBS)
+ error(ERROR, "short write!");
+ if (wbp > &wbuf[OBS])
+ memcpy(wbuf, wbuf + OBS, wbp - &wbuf[OBS]);
+ wbp -= OBS;
+ }
+ }
+ trp->tp = tp;
+ if (cursource->fd == 0)
+ flushout();
+}
+
+void
+ flushout(void)
+{
+ if (wbp > wbuf)
+ {
+ if (write(1, wbuf, wbp - wbuf) != wbp - wbuf)
+ error(ERROR, "short write!");
+ wbp = wbuf;
+ }
+}
+
+/*
+ * turn a row into just a newline
+ */
+void
+ setempty(Tokenrow * trp)
+{
+ trp->tp = trp->bp;
+ trp->lp = trp->bp + 1;
+ *trp->bp = nltoken;
+}
+
+/*
+ * generate a number
+ */
+char *
+ outnum(char *p, int n)
+{
+ if (n >= 10)
+ p = outnum(p, n / 10);
+ *p++ = (char) (n % 10 + '0');
+ return p;
+}
+
+/*
+ * allocate and initialize a new string from s, of length l, at offset o
+ * Null terminated.
+ */
+uchar *
+ newstring(uchar * s, int l, int o)
+{
+ uchar *ns = (uchar *) domalloc(l + o + 1);
+
+ ns[l + o] = '\0';
+ return (uchar *) strncpy((char *) ns + o, (char *) s, l) - o;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 13:10:28 +0000