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190 lines
7.1 KiB
Plaintext
190 lines
7.1 KiB
Plaintext
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Microsoft Visual C Stuff
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[Tom Moog 2-Oct-98
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Users of Microsoft Visual C++ should download a separate
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ready-to-run zip file from my web site. It contains
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binaries, static library, and a sample project.
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]
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[
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Two notes added by Tom Moog 23-Sep-97. I believe the *.dsp and
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*.mak files that were once at the end of this file are now obsolete.
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The following MSVC .dsp and .mak files for pccts and sorcerer
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were contributed by Stanislaw Bochnak (S.Bochnak@microtool.com.pl)
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and Jeff Vincent (jvincent@novell.com)
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PCCTS Distribution Kit
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----------------------
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pccts/antlr/AntlrMSVC50.dsp
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pccts/antlr/AntlrMSVC50.mak
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pccts/dlg/DlgMSVC50.dsp
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pccts/dlg/DlgMSVC50.mak
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pccts/support/genmk/watgenmk.mak
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pccts/support/msvc.dsp
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Sorcerer Distribution Kit
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-------------------------
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pccts/sorcerer/SorcererMSVC50.dsp
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pccts/sorcerer/SorcererMSVC50.mak
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pccts/sorcerer/lib/msvc.dsp
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I do not have an MS based computer. If you discover problems
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please report them so as to save trouble for others in the future.
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]
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[
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Modified by Terence Parr (September 1995) to change .C to .cpp
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]
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[
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This file contains notes on MSVC for Windows NT console execs by Dave
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Seidel and an explanation of flags etc.. by John Hall; good luck,
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Terence
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]
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===============================================================================
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Date: Sat, 31 Dec 1994 11:40:36 -0500 (EST)
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From: David Seidel <75342.2034@compuserve.com>
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I've succesfully build 1.31b3 with djgpp for DOS and MSVC 2.0 for Windows
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NT. The only (minor) problem I had was that GNU make (version 3.71, in the
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djgpp port) complained about "multiple targets" in both the antlr and dlg
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makefiles. I got around the error by, in each makefile, commenting out the
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$(SRC) dependency, for example:
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antlr: $(OBJ) #$(SRC)
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I don't know why this is happenning, since you haven't changed that part of
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the makefile at all, and I think this used to work ok...
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Here are the makefiles I built from within the MSVC 2.0 environment for antlr
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and dlg and Windows NT console executables. Please feel free to pass them
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on. Of course, as soon as 1.31 "goes gold", I will send you nice new
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binaries. I'm not going to bother to keep doing both Borland and djgpp for
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DOS however. Instead, I'll just keep the djgpp version up to date and also
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provide WinNT binaries.
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Dave
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===============================================================================
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How to port PCCTS 1.10 (and 1.32 hopefully) to Visual C++
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By
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John Hall <jhall@ivy.wpi.edu>
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Here is how to compile an ANTLR grammar in Visual C++. These steps
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describe how to have your ANTLR grammar parse the input file the user
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selects when they choose File Open in your Windows application. (Even
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if you aren't using Visual C++, the steps should be portable enough to
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other compilers.)
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* Make sure that ANTLR and DLG generate ANSI code (use the -ga
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switch).
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* Set the following compiler flags in Visual C++ (these are in the
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Memory Model category of the compiler options in the Project
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Options menu):
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FLAG MEANING
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==== ==============================================================
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/AL Large memory model (multiple data segments; data items must be
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smaller than 64K).
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/Gtn Allocates all items whose size is greater than or equal to n
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in a new data segment. (I let n be 256: /Gt256.)
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/Gx- All references to data items are done with far addressing in
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case they are placed in a far segment.
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* Add the following member variable to the attributes section of your
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derived CDocument class (you will need to make sure you also
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include stdio.h):
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FILE *fp;
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* Add the following method to your derived CDocument class:
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BOOL CAppDoc::OnOpenDocument(const char* pszPathName)
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{
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// Call CDocument's OnOpenDocument to do housekeeping for us
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// DON'T add anything to the loading section of Serialize
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if (!CDocument::OnOpenDocument(pszPathName))
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return FALSE;
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// Open input file
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if ((fp = fopen(pszPathName, "r")) == NULL)
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return FALSE;
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// Parse input file
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ANTLR(start(), fp);
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// Close input file
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fclose(fp);
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return TRUE;
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}
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(Note: additional code may be necessary, depending on your parser.
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For example, if your parser uses PCCTS's symbol table library, you
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will need to insert calls to zzs_init and zzs_done.)
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* Compile the generated C files as C++ files. (I renamed the files
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to have a .CPP extension to fool Visual C++ into thinking they were
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C++ files. One might also use the /Tp switch, but that switch
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requires you separately include the filename.) [I used this step
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as an easy out for all the external linking errors I was getting
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that I couldn't fix by declaring things extern "C".]
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* Make sure the __STDC__ portion of the generated files gets
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compiled. (Either define __STDC__ yourself or else change all
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occurrences of __STDC__ to __cplusplus in the generated files. You
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can define __STDC__ in the Preprocessor category of the compiler
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options.)
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================================================================
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= Note 23-Sep-97: This is probably not necessary any more. =
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= With 1.33MRxxx the use of __STDC__ was replaced with the =
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= macro __USE_PROTOS to control the compilation of prototypes. =
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================================================================
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That last step is important for Visual C++, but may not apply to other
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compilers. For C++ compilers, whether __STDC__ is defined is
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implementation dependent (ARM, page 379). Apparently, Visual C++ does
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not to define it; it also does not support "old style" C function
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definitions (which is okay, according to page 404 of the ARM). Those
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two things together caused problems when trying to port the code.
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When it saw this:
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#ifdef __STDC__
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void
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globals(AST **_root)
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#else
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globals(_root)
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AST **_root;
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#endif
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it skipped the __STDC__ section and tried to process the "old style"
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function definition, where it choked.
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When you finally get your parser to compile and link without error,
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you may get General Protection Fault errors at run time. The problem
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I had was that a NULL was passed to a variable argument function
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without an explicit cast. The function grabbed a pointer (32-bits)
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off the stack using va_arg, but the NULL was passed silently as the
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integer 0 (16 bits), making the resulting pointer was invalid. (This
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was in PCCTS's sample C parser.)
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There is one other thing I might suggest to help you avoid a run-time
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error. Make sure you redefine the default error reporting function,
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zzsyn. To do this, put "#define USER_ZZSYN" in your #header section
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and put your own zzsyn somewhere. You can then pop up a MessageBox or
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print the error to some output window.
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===============================================================================
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