--- a/namedenums/NamedEnumerations.cc Sun Mar 30 21:35:06 2014 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,251 +0,0 @@
-/*
- Copyright 2014 Santeri Piippo
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. The name of the author may not be used to endorse or promote products
- derived from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include <string>
-#include <deque>
-#include <algorithm>
-#include <cerrno>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cstdarg>
-
-using std::string;
-using std::deque;
-
-static int gLineNumber;
-static std::string gCurrentFile;
-
-// =============================================================================
-//
-struct NamedEnumInfo
-{
- string name;
- deque<string> enumerators;
-};
-
-// =============================================================================
-//
-void SkipWhitespace (char*& cp)
-{
- while (isspace (*cp))
- {
- if (*cp == '\n')
- gLineNumber++;
-
- ++cp;
- }
-
- if (strncmp (cp, "//", 2) == 0)
- {
- while (*(++cp) != '\n')
- ;
-
- gLineNumber++;
- SkipWhitespace (cp);
- }
-}
-
-// =============================================================================
-//
-void Error (const char* fmt, ...)
-{
- char buf[1024];
- va_list va;
- va_start (va, fmt);
- vsprintf (buf, fmt, va);
- va_end (va);
- throw std::string (buf);
-}
-
-// =============================================================================
-//
-int main (int argc, char* argv[])
-{
- try
- {
- deque<NamedEnumInfo> namedEnumerations;
- deque<string> filesToInclude;
-
- if (argc < 3)
- {
- fprintf (stderr, "usage: %s input [input [input [...]]] output\n", argv[0]);
- return EXIT_FAILURE;
- }
-
- for (int i = 1; i < argc - 1; ++ i)
- {
- gCurrentFile = argv[i];
- FILE* fp = fopen (argv[i], "r");
- char* buf;
- gLineNumber = 1;
-
- if (fp == NULL)
- {
- fprintf (stderr, "could not open %s for writing: %s\n",
- argv[i], strerror (errno));
- exit (EXIT_FAILURE);
- }
-
- fseek (fp, 0, SEEK_END);
- long int filesize = ftell (fp);
- rewind (fp);
-
- try
- {
- buf = new char[filesize];
- }
- catch (std::bad_alloc)
- {
- Error ("could not allocate %ld bytes for %s\n", filesize, argv[i]);
- }
-
- if (static_cast<long> (fread (buf, 1, filesize, fp)) < filesize)
- Error ("could not read %ld bytes from %s\n", filesize, argv[i]);
-
- char* const end = &buf[0] + filesize;
-
- for (char* cp = &buf[0]; cp < end; ++cp)
- {
- SkipWhitespace (cp);
-
- if (strncmp (cp, "#define ", strlen ("#define ")) == 0)
- {
- while (cp < end && *cp != '\n')
- cp++;
-
- continue;
- }
-
- if ((cp != &buf[0] && isspace (* (cp - 1)) == false) ||
- strncmp (cp, "named_enum ", strlen ("named_enum ")) != 0)
- {
- continue;
- }
-
- cp += strlen ("named_enum ");
- SkipWhitespace (cp);
-
- NamedEnumInfo nenum;
- auto& enumname = nenum.name;
- auto& enumerators = nenum.enumerators;
-
- if (isalpha (*cp) == false && *cp != '_')
- Error ("anonymous named_enum");
-
- while (isalnum (*cp) || *cp == '_')
- enumname += *cp++;
-
- SkipWhitespace (cp);
-
- if (*cp++ != '{')
- Error ("expected '{' after named_enum");
-
- for (;;)
- {
- SkipWhitespace (cp);
-
- if (*cp == '}')
- {
- cp++;
- break;
- }
-
- if (isalpha (*cp) == false && *cp != '_')
- Error ("expected identifier, got '%c'", *cp);
-
- std::string enumerator;
-
- while (isalnum (*cp) || *cp == '_')
- enumerator += *cp++;
-
- SkipWhitespace (cp);
-
- if (*cp == ',')
- SkipWhitespace (++cp);
-
- if (*cp == '=')
- Error ("named enums must not have defined values");
-
- enumerators.push_back (enumerator);
- }
-
- SkipWhitespace (cp);
-
- if (*cp != ';')
- Error ("expected ';'");
-
- if (enumerators.size() > 0)
- {
- namedEnumerations.push_back (nenum);
- filesToInclude.push_back (argv[i]);
- }
- }
- }
-
- FILE* fp;
-
- if ((fp = fopen (argv[argc - 1], "w")) == NULL)
- Error ("couldn't open %s for writing: %s", argv[argc - 1], strerror (errno));
-
- fprintf (fp, "#pragma once\n");
-
- std::sort (filesToInclude.begin(), filesToInclude.end());
- auto pos = std::unique (filesToInclude.begin(), filesToInclude.end());
- filesToInclude.resize (std::distance (filesToInclude.begin(), pos));
-
- for (const string& a : filesToInclude)
- fprintf (fp, "#include \"%s\"\n", basename (a.c_str()));
-
- for (NamedEnumInfo& e : namedEnumerations)
- {
- fprintf (fp, "\nstatic const char* g_%sNames[] =\n{\n", e.name.c_str());
-
- for (const string& a : e.enumerators)
- fprintf (fp, "\t\"%s\",\n", a.c_str());
-
- fprintf (fp, "};\n\n");
-
- fprintf (fp, "inline const char* get%sString (%s a)\n"
- "{\n"
- "\treturn g_%sNames[a];\n"
- "}\n",
- e.name.c_str(), e.name.c_str(), e.name.c_str());
- }
-
- printf ("Wrote named enumerations to %s\n", argv[argc - 1]);
- fclose (fp);
- }
- catch (std::string a)
- {
- fprintf (stderr, "%s:%d: error: %s\n", gCurrentFile.c_str(), gLineNumber, a.c_str());
- return 1;
- }
-
- return 0;
-}