Revert all except head/tail

cmake/NeuronFileLists.cmake

@@ -427,7 +427,7 @@ set(NMODL_FILES_LIST
     units.cpp
     version.cpp)
 
-set(IVOS_FILES_LIST listimpl.cpp observe.cpp resource.cpp)
+set(IVOS_FILES_LIST listimpl.cpp observe.cpp regexp.cpp resource.cpp)
 
 set(MPI_DYNAMIC_INCLUDE nrnmpi_dynam.h nrnmpi_dynam_cinc nrnmpi_dynam_wrappers.inc)
 

src/ivos/InterViews/_defines.h

@@ -217,6 +217,7 @@
 #define Raster _lib_iv(Raster)
 #define RasterRep _lib_iv(RasterRep)
 #define Reducer _lib_iv(Reducer)
+#define Regexp _lib_iv(Regexp)
 #define ReqErr _lib_iv(ReqErr)
 #define Requirement _lib_iv(Requirement)
 #define Requisition _lib_iv(Requisition)

src/ivos/InterViews/_undefs.h

@@ -217,6 +217,7 @@
 #undef Raster
 #undef RasterRep
 #undef Reducer
+#undef Regexp
 #undef ReqErr
 #undef Requirement
 #undef Requisition

src/ivos/InterViews/regexp.h

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University
+ * Copyright (c) 1991 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Stanford and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Stanford and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ *
+ * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * Regexp - regular expression searching
+ */
+
+#ifndef iv_regexp_h
+#define iv_regexp_h
+
+#include <InterViews/enter-scope.h>
+
+/*
+ * These definitions are from Henry Spencers public-domain regular
+ * expression matching routines.
+ *
+ * Definitions etc. for regexp(3) routines.
+ *
+ * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
+ * not the System V one.
+ */
+#define NSUBEXP  10
+struct regexp {
+    char *startp[NSUBEXP];
+    char *endp[NSUBEXP];
+    char *textStart;
+    char regstart;		/* Internal use only. */
+    char reganch;		/* Internal use only. */
+    char *regmust;		/* Internal use only. */
+    int regmlen;		/* Internal use only. */
+    char program[1];		/* Unwarranted chumminess with compiler. */
+};
+
+/*
+ * The first byte of the regexp internal "program" is actually this magic
+ * number; the start node begins in the second byte. This used to be the octal
+ * integer literal 0234 = 156, which would be implicitly converted to -100 when
+ * narrowing to signed 8 bit char. This conversion was implementation defined
+ * before C++20.
+ */
+#define	REGEXP_MAGIC	static_cast<char>(-100)
+
+class Regexp {
+public:
+    Regexp(const char*);
+    Regexp(const char*, int length);
+    ~Regexp();
+
+    const char* pattern() const;
+    int Search(const char* text, int length, int index, int range);
+    int Match(const char* text, int length, int index);
+    int BeginningOfMatch(int subexp = 0);
+    int EndOfMatch(int subexp = 0);
+private:
+    char* pattern_;
+    regexp* c_pattern;
+};
+
+#endif