646 lines
12 KiB
C++
646 lines
12 KiB
C++
/*
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* $Id: Awk.cpp,v 1.23 2007/05/26 10:23:52 bacon Exp $
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*/
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#include <ase/awk/StdAwk.hpp>
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#include <ase/cmn/str.h>
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#include <ase/utl/stdio.h>
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#include <ase/utl/main.h>
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#include <stdlib.h>
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#include <math.h>
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#if defined(_WIN32)
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#include <windows.h>
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#else
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#include <unistd.h>
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#endif
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class TestAwk: public ASE::StdAwk
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{
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public:
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TestAwk (): srcInName(ASE_NULL), srcOutName(ASE_NULL),
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numConInFiles(0), numConOutFiles(0)
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{
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#ifdef _WIN32
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heap = ASE_NULL;
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#endif
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}
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~TestAwk ()
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{
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close ();
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}
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int open ()
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{
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#ifdef _WIN32
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ASE_ASSERT (heap == ASE_NULL);
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heap = ::HeapCreate (0, 1000000, 1000000);
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if (heap == ASE_NULL) return -1;
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#endif
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int n = StdAwk::open ();
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if (addFunction (ASE_T("sleep"), 1, 1,
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(FunctionHandler)&TestAwk::sleep) == -1)
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{
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StdAwk::close ();
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#ifdef _WIN32
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HeapDestroy (heap);
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heap = ASE_NULL;
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#endif
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return -1;
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}
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return n;
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}
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void close ()
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{
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StdAwk::close ();
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numConInFiles = 0;
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numConOutFiles = 0;
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#ifdef _WIN32
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HeapDestroy (heap);
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heap = ASE_NULL;
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#endif
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}
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int sleep (Return* ret, const Argument* args, size_t nargs)
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{
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#ifdef _WIN32
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::Sleep (args[0].toInt() * 1000);
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return ret->set ((long_t)0);
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#else
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return ret->set ((long_t)::sleep (args[0].toInt()));
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#endif
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}
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int addConsoleInput (const char_t* file)
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{
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if (numConInFiles < ASE_COUNTOF(conInFile))
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{
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conInFile[numConInFiles++] = file;
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return 0;
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}
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return -1;
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}
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int addConsoleOutput (const char_t* file)
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{
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if (numConOutFiles < ASE_COUNTOF(conOutFile))
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{
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conOutFile[numConOutFiles++] = file;
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return 0;
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}
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return -1;
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}
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int parse (const char_t* in, const char_t* out)
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{
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srcInName = in;
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srcOutName = out;
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return StdAwk::parse ();
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}
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protected:
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void onRunStart (const Run& run)
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{
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ase_printf (ASE_T("*** awk run started ***\n"));
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}
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void onRunEnd (const Run& run)
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{
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ErrorCode err = run.getErrorCode();
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if (err != E_NOERR)
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{
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ase_fprintf (stderr, ASE_T("cannot run: LINE[%d] %s\n"),
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run.getErrorLine(), run.getErrorMessage());
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}
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ase_printf (ASE_T("*** awk run ended ***\n"));
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}
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void onRunReturn (const Run& run, const Argument& ret)
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{
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size_t len;
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const char_t* ptr = ret.toStr (&len);
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ase_printf (ASE_T("*** return [%.*s] ***\n"), len, ptr);
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}
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int openSource (Source& io)
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{
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Source::Mode mode = io.getMode();
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FILE* fp = ASE_NULL;
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if (mode == Source::READ)
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{
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if (srcInName == ASE_NULL)
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{
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io.setHandle (stdin);
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return 0;
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}
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if (srcInName[0] == ASE_T('\0')) fp = stdin;
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else fp = ase_fopen (srcInName, ASE_T("r"));
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}
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else if (mode == Source::WRITE)
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{
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if (srcOutName == ASE_NULL)
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{
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io.setHandle (stdout);
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return 0;
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}
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if (srcOutName[0] == ASE_T('\0')) fp = stdout;
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else fp = ase_fopen (srcOutName, ASE_T("w"));
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}
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if (fp == ASE_NULL) return -1;
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io.setHandle (fp);
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return 1;
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}
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int closeSource (Source& io)
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{
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Source::Mode mode = io.getMode();
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FILE* fp = (FILE*)io.getHandle();
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if (fp == stdout || fp == stderr) fflush (fp);
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if (fp != stdin && fp != stdout && fp != stderr) fclose (fp);
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io.setHandle (ASE_NULL);
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return 0;
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}
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ssize_t readSource (Source& io, char_t* buf, size_t len)
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{
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FILE* fp = (FILE*)io.getHandle();
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ssize_t n = 0;
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while (n < (ssize_t)len)
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{
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ase_cint_t c = ase_fgetc (fp);
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if (c == ASE_CHAR_EOF) break;
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buf[n++] = c;
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if (c == ASE_T('\n')) break;
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}
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return n;
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}
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ssize_t writeSource (Source& io, char_t* buf, size_t len)
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{
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FILE* fp = (FILE*)io.getHandle();
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size_t left = len;
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while (left > 0)
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{
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if (*buf == ASE_T('\0'))
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{
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if (ase_fputc (*buf, fp) == ASE_CHAR_EOF) return -1;
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left -= 1; buf += 1;
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}
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else
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{
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int n = ase_fprintf (fp, ASE_T("%.*s"), left, buf);
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if (n < 0) return -1;
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left -= n; buf += n;
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}
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}
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return len;
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}
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// console io handlers
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int openConsole (Console& io)
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{
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Awk::Console::Mode mode = io.getMode();
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FILE* fp = ASE_NULL;
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const char_t* fn = ASE_NULL;
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switch (mode)
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{
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case Awk::Console::READ:
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if (numConInFiles == 0) fp = stdin;
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else
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{
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fn = conInFile[0];
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fp = ase_fopen (fn, ASE_T("r"));
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}
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break;
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case Awk::Console::WRITE:
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if (numConOutFiles == 0) fp = stdout;
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else
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{
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fn = conOutFile[0];
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fp = ase_fopen (fn, ASE_T("w"));
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}
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break;
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}
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if (fp == NULL) return -1;
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ConTrack* t = (ConTrack*) ase_awk_malloc (awk, ASE_SIZEOF(ConTrack));
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if (t == ASE_NULL)
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{
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if (fp != stdin && fp != stdout) fclose (fp);
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return -1;
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}
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t->handle = fp;
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t->nextConIdx = 1;
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if (fn != ASE_NULL)
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{
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if (io.setFileName (fn) == -1)
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{
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if (fp != stdin && fp != stdout) fclose (fp);
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ase_awk_free (awk, t);
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return -1;
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}
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}
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io.setHandle (t);
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return 1;
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}
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int closeConsole (Console& io)
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{
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ConTrack* t = (ConTrack*)io.getHandle();
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FILE* fp = t->handle;
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if (fp == stdout || fp == stderr) fflush (fp);
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if (fp != stdin && fp != stdout && fp != stderr) fclose (fp);
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ase_awk_free (awk, t);
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return 0;
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}
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ssize_t readConsole (Console& io, char_t* buf, size_t len)
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{
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ConTrack* t = (ConTrack*)io.getHandle();
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FILE* fp = t->handle;
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ssize_t n = 0;
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while (n < (ssize_t)len)
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{
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ase_cint_t c = ase_fgetc (fp);
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if (c == ASE_CHAR_EOF) break;
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buf[n++] = c;
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if (c == ASE_T('\n')) break;
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}
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return n;
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}
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ssize_t writeConsole (Console& io, char_t* buf, size_t len)
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{
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ConTrack* t = (ConTrack*)io.getHandle();
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FILE* fp = t->handle;
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size_t left = len;
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while (left > 0)
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{
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if (*buf == ASE_T('\0'))
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{
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if (ase_fputc (*buf, fp) == ASE_CHAR_EOF) return -1;
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left -= 1; buf += 1;
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}
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else
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{
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int n = ase_fprintf (fp, ASE_T("%.*s"), left, buf);
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if (n < 0) return -1;
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left -= n; buf += n;
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}
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}
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return len;
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}
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int flushConsole (Console& io)
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{
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ConTrack* t = (ConTrack*)io.getHandle();
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FILE* fp = t->handle;
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return ::fflush (fp);
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}
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int nextConsole (Console& io)
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{
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Awk::Console::Mode mode = io.getMode();
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ConTrack* t = (ConTrack*)io.getHandle();
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FILE* ofp = t->handle;
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FILE* nfp = ASE_NULL;
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const char_t* fn = ASE_NULL;
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switch (mode)
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{
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case Awk::Console::READ:
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if (t->nextConIdx >= numConInFiles) return 0;
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fn = conInFile[t->nextConIdx];
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nfp = ase_fopen (fn, ASE_T("r"));
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break;
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case Awk::Console::WRITE:
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if (t->nextConIdx >= numConOutFiles) return 0;
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fn = conOutFile[t->nextConIdx];
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nfp = ase_fopen (fn, ASE_T("w"));
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break;
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}
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if (nfp == ASE_NULL) return -1;
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if (fn != ASE_NULL)
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{
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if (io.setFileName (fn) == -1)
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{
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fclose (nfp);
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return -1;
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}
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}
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fclose (ofp);
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t->nextConIdx++;
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t->handle = nfp;
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return 1;
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}
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void* allocMem (size_t n)
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{
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#ifdef _WIN32
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return ::HeapAlloc (heap, 0, n);
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#else
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return ::malloc (n);
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#endif
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}
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void* reallocMem (void* ptr, size_t n)
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{
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#ifdef _WIN32
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if (ptr == NULL)
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return ::HeapAlloc (heap, 0, n);
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else
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return ::HeapReAlloc (heap, 0, ptr, n);
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#else
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return ::realloc (ptr, n);
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#endif
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}
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void freeMem (void* ptr)
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{
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#ifdef _WIN32
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::HeapFree (heap, 0, ptr);
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#else
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::free (ptr);
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#endif
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}
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private:
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const char_t* srcInName;
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const char_t* srcOutName;
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struct ConTrack
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{
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FILE* handle;
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size_t nextConIdx;
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};
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size_t numConInFiles;
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const char_t* conInFile[128];
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size_t numConOutFiles;
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const char_t* conOutFile[128];
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#ifdef _WIN32
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void* heap;
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#endif
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};
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#ifndef NDEBUG
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void ase_assert_abort (void)
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{
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abort ();
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}
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void ase_assert_printf (const ase_char_t* fmt, ...)
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{
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va_list ap;
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#ifdef _WIN32
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int n;
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ase_char_t buf[1024];
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#endif
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va_start (ap, fmt);
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#if defined(_WIN32)
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n = _vsntprintf (buf, ASE_COUNTOF(buf), fmt, ap);
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if (n < 0) buf[ASE_COUNTOF(buf)-1] = ASE_T('\0');
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#if defined(_MSC_VER) && (_MSC_VER<1400)
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MessageBox (NULL, buf,
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ASE_T("Assertion Failure"), MB_OK|MB_ICONERROR);
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#else
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MessageBox (NULL, buf,
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ASE_T("\uB2DD\uAE30\uB9AC \uC870\uB610"), MB_OK|MB_ICONERROR);
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#endif
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#else
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ase_vprintf (fmt, ap);
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#endif
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va_end (ap);
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}
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#endif
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static void print_error (const ase_char_t* msg)
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{
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ase_printf (ASE_T("Error: %s\n"), msg);
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}
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static void print_usage (const ase_char_t* argv0)
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{
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const ase_char_t* base;
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base = ase_strrchr(argv0, ASE_T('/'));
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if (base == ASE_NULL) base = ase_strrchr(argv0, ASE_T('\\'));
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if (base == ASE_NULL) base = argv0; else base++;
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ase_printf (ASE_T("Usage: %s [-m main] [-si file]? [-so file]? [-ci file]* [-co file]* [-a arg]*\n"), base);
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ase_printf (ASE_T(" -m main Specify the main function name\n"));
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ase_printf (ASE_T(" -si file Specify the input source file\n"));
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ase_printf (ASE_T(" The source code is read from stdin when it is not specified\n"));
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ase_printf (ASE_T(" -so file Specify the output source file\n"));
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ase_printf (ASE_T(" The deparsed code is not output when is it not specified\n"));
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ase_printf (ASE_T(" -ci file Specify the input console file\n"));
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ase_printf (ASE_T(" -co file Specify the output console file\n"));
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ase_printf (ASE_T(" -a str Specify an argument\n"));
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}
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int awk_main (int argc, ase_char_t* argv[])
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{
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TestAwk awk;
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int mode = 0;
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const ase_char_t* mainfn = NULL;
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const ase_char_t* srcin = ASE_T("");
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const ase_char_t* srcout = NULL;
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const ase_char_t* args[256];
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ase_size_t nargs = 0;
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ase_size_t nsrcins = 0;
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ase_size_t nsrcouts = 0;
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for (int i = 1; i < argc; i++)
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{
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if (mode == 0)
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{
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if (ase_strcmp(argv[i], ASE_T("-si")) == 0) mode = 1;
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else if (ase_strcmp(argv[i], ASE_T("-so")) == 0) mode = 2;
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else if (ase_strcmp(argv[i], ASE_T("-ci")) == 0) mode = 3;
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else if (ase_strcmp(argv[i], ASE_T("-co")) == 0) mode = 4;
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else if (ase_strcmp(argv[i], ASE_T("-a")) == 0) mode = 5;
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else if (ase_strcmp(argv[i], ASE_T("-m")) == 0) mode = 6;
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else
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{
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print_usage (argv[0]);
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return -1;
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}
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}
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else
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{
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if (argv[i][0] == ASE_T('-'))
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{
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print_usage (argv[0]);
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return -1;
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}
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if (mode == 1) // source input
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{
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if (nsrcins != 0)
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{
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print_usage (argv[0]);
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return -1;
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}
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srcin = argv[i];
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nsrcins++;
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mode = 0;
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}
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else if (mode == 2) // source output
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{
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if (nsrcouts != 0)
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{
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print_usage (argv[0]);
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return -1;
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}
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srcout = argv[i];
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nsrcouts++;
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mode = 0;
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}
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else if (mode == 3) // console input
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{
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if (awk.addConsoleInput (argv[i]) == -1)
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{
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print_error (ASE_T("too many console inputs"));
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return -1;
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}
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mode = 0;
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}
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else if (mode == 4) // console output
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{
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if (awk.addConsoleOutput (argv[i]) == -1)
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{
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print_error (ASE_T("too many console outputs"));
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return -1;
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}
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mode = 0;
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}
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else if (mode == 5) // argument mode
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{
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if (nargs >= ASE_COUNTOF(args))
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{
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print_usage (argv[0]);
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return -1;
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}
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args[nargs++] = argv[i];
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mode = 0;
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}
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else if (mode == 6)
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{
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if (mainfn != NULL)
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{
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print_usage (argv[0]);
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return -1;
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|
}
|
|
|
|
mainfn = argv[i];
|
|
mode = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mode != 0)
|
|
{
|
|
print_usage (argv[0]);
|
|
return -1;
|
|
}
|
|
|
|
if (awk.open() == -1)
|
|
{
|
|
ase_fprintf (stderr, ASE_T("cannot open awk\n"));
|
|
return -1;
|
|
}
|
|
|
|
if (awk.parse (srcin, srcout) == -1)
|
|
{
|
|
ase_fprintf (stderr, ASE_T("cannot parse: LINE[%d] %s\n"),
|
|
awk.getErrorLine(), awk.getErrorMessage());
|
|
return -1;
|
|
}
|
|
|
|
awk.enableRunCallback ();
|
|
|
|
if (awk.run (mainfn, args, nargs) == -1)
|
|
{
|
|
ase_fprintf (stderr, ASE_T("cannot run: LINE[%d] %s\n"),
|
|
awk.getErrorLine(), awk.getErrorMessage());
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ase_main (int argc, ase_achar_t* argv[])
|
|
{
|
|
|
|
int n;
|
|
|
|
#if defined(__linux) && defined(_DEBUG)
|
|
mtrace ();
|
|
#endif
|
|
|
|
n = ase_runmain (argc,argv,awk_main);
|
|
|
|
#if defined(__linux) && defined(_DEBUG)
|
|
muntrace ();
|
|
#endif
|
|
#if defined(_WIN32) && defined(_DEBUG)
|
|
#if defined(_MSC_VER)
|
|
_CrtDumpMemoryLeaks ();
|
|
#endif
|
|
_tprintf (_T("Press ENTER to quit\n"));
|
|
getchar ();
|
|
#endif
|
|
|
|
return n;
|
|
}
|