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See #2009.
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Version 4.1.0 (in progress) Version 4.1.0 (in progress)
=========================== ===========================
2021-05-13: olly
[Modula3] #2009 Remove code for Modula3. We dropped support for it
in SWIG 4.0.0 and nobody has stepped forward to revive it in over 2
years.
2021-05-13: olly 2021-05-13: olly
[CLISP] #2009 Remove code for GNU Common Lisp. We dropped support [CLISP] #2009 Remove code for GNU Common Lisp. We dropped support
for it in SWIG 4.0.0 and nobody has stepped forward to revive it in for it in SWIG 4.0.0 and nobody has stepped forward to revive it in

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>SWIG and Modula-3</title>
<link rel="stylesheet" type="text/css" href="style.css">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
<body bgcolor="#FFFFFF">
<H1><a name="Modula3">31 SWIG and Modula-3</a></H1>
<!-- INDEX -->
<div class="sectiontoc">
<ul>
<li><a href="#Modula3_modula3_overview">Overview</a>
<ul>
<li><a href="#Modula3_motivation">Motivation</a>
</ul>
<li><a href="#Modula3_conception">Conception</a>
<ul>
<li><a href="#Modula3_cinterface">Interfaces to C libraries</a>
<li><a href="#Modula3_cppinterface">Interfaces to C++ libraries</a>
</ul>
<li><a href="#Modula3_preliminaries">Preliminaries</a>
<ul>
<li><a href="#Modula3_compilers">Compilers</a>
<li><a href="#Modula3_commandline">Additional Commandline Options</a>
</ul>
<li><a href="#Modula3_typemaps">Modula-3 typemaps</a>
<ul>
<li><a href="#Modula3_inoutparam">Inputs and outputs</a>
<li><a href="#Modula3_ordinals">Subranges, Enumerations, Sets</a>
<li><a href="#Modula3_class">Objects</a>
<li><a href="#Modula3_imports">Imports</a>
<li><a href="#Modula3_exceptions">Exceptions</a>
<li><a href="#Modula3_typemap_example">Example</a>
</ul>
<li><a href="#Modula3_hints">More hints to the generator</a>
<ul>
<li><a href="#Modula3_features">Features</a>
<li><a href="#Modula3_pragmas">Pragmas</a>
</ul>
<li><a href="#Modula3_remarks">Remarks</a>
</ul>
</div>
<!-- INDEX -->
<p>
This chapter describes SWIG's support for
<a href="http://modula3.org/">Modula-3</a>.
You should be familiar with the
<a href="SWIG.html#SWIG">basics</a>
of SWIG,
especially
<a href="Typemaps.html#Typemaps">typemaps</a>.
</p>
<H2><a name="Modula3_modula3_overview">31.1 Overview</a></H2>
<p>
Modula-3 is a compiled language in the tradition of Niklaus Wirth's Modula 2,
which is in turn a successor to Pascal.
</p>
<p>
SWIG's Modula-3 support is currently very basic and highly experimental!
Many features are still not designed satisfyingly
and I need more discussion about the odds and ends.
Don't rely on any feature, incompatible changes are likely in the future!
However, the Modula-3 generator was already useful for interfacing
to the libraries:
</p>
<ol>
<li>
<a href="http://www.elegosoft.com/cgi-bin/cvsweb.cgi/cm3/m3-libs/plplot/">
PLPlot
</a>
</li>
<li>
<a href="http://www.elegosoft.com/cgi-bin/cvsweb.cgi/cm3/m3-libs/fftw/">
FFTW
</a>
</li>
</ol>
<H3><a name="Modula3_motivation">31.1.1 Motivation</a></H3>
<p>
Although it is possible to write Modula-3 code that performs as well as C/C++
most existing libraries are not written in Modula-3 but in C or C++, and
even libraries in other languages may provide C header files.
</p>
<p>
Fortunately Modula-3 can call C functions, but you have to write Modula-3
interfaces to them, and to make things comfortable you will also need
wrappers that convert between high-level features of Modula-3 (garbage
collecting, exceptions) and the explicit tracking of allocated memory and
exception codes used by C APIs.
</p>
<p>
SWIG converts C headers to Modula-3 interfaces for you, and using typemaps
you can pass <tt>TEXT</tt>s or open arrays, and convert error return codes
into exceptions.
</p>
<p>
If the library API is ill designed
writing appropriate typemaps can still be time-consuming.
E.g. C programmers are very creative to work-around
missing data types like (real) enumerations and sets.
You should turn such work-arounds back to the Modula-3 way
otherwise you lose static safety and consistency.
</p>
<p>
Without SWIG you would probably never consider trying to call C++ libraries
from Modula-3, but with SWIG this is becomes feasible.
SWIG can generate C wrappers to C++ functions and object methods
that may throw exceptions, and then wrap these C wrappers for Modula-3.
To make it complete you can then hide the C interface with Modula-3 classes and
exceptions.
</p>
<p>
SWIG allows you to call C and C++ libraries from Modula-3 (even with call back
functions), but it doesn't allow you to easily integrate a Modula-3 module into
a C/C++ project.
</p>
<H2><a name="Modula3_conception">31.2 Conception</a></H2>
<H3><a name="Modula3_cinterface">31.2.1 Interfaces to C libraries</a></H3>
<p>
Modula-3 has integrated support for calling C functions.
This is also extensively used by the standard Modula-3 libraries
to call OS functions.
The Modula-3 part of SWIG and the corresponding SWIG library
modula3.swg
contain code that uses these features.
Because of the built-in support there is no need
for calling the SWIG kernel to generate wrappers written in C.
All conversion and argument checking can be done in Modula-3
and the interfacing is quite efficient.
All you have to do is to write pieces of Modula-3 code
that SWIG puts together.
</p>
<table border summary="Modula-3 C library support">
<tr><th colspan=2>C library support integrated in Modula-3<th></tr>
<tr>
<td>Pragma <tt>&lt;* EXTERNAL *&gt;</tt></td>
<td>Precedes a declaration of a PROCEDURE that is implemented
in an external library instead of a Modula-3 module.</td>
</tr>
<tr>
<td>Pragma <tt>&lt;* CALLBACK *&gt;</tt></td>
<td>Precedes a declaration of a PROCEDURE that should be called
by external library code.</td>
</tr>
<tr>
<td>Module <tt>Ctypes</tt></td>
<td>Contains Modula-3 types that match some basic C types.</td>
</tr>
<tr>
<td>Module <tt>M3toC</tt></td>
<td>Contains routines that convert between Modula-3's <tt>TEXT</tt> type
and C's <tt>char *</tt> type.</td>
</tr>
</table>
<p>
In each run of SWIG the Modula-3 part
generates several files:
</p>
<table border summary="Modula-3 generated files">
<tr>
<th>Module name scheme</th>
<th>Identifier for <tt>%insert</tt></th>
<th>Description</th>
</tr>
<tr>
<td>Module<tt>Raw.i3</tt></td>
<td><tt>m3rawintf</tt></td>
<td>Declaration of types that are equivalent to those of the C library,
<tt>EXTERNAL</tt> procedures as interface to the C library functions</td>
</tr>
<tr>
<td>Module<tt>Raw.m3</tt></td>
<td><tt>m3rawimpl</tt></td>
<td>Almost empty.</td>
</tr>
<tr>
<td>Module<tt>.i3</tt></td>
<td><tt>m3wrapintf</tt></td>
<td>Declaration of comfortable wrappers to the C library functions.</td>
</tr>
<tr>
<td>Module<tt>.m3</tt></td>
<td><tt>m3wrapimpl</tt></td>
<td>Implementation of the wrappers that
convert between Modula-3 and C types,
check for validity of values,
hand-over resource management to the garbage collector using <tt>WeakRef</tt>s
and raises exceptions.</td>
</tr>
<tr>
<td><tt>m3makefile</tt></td>
<td><tt>m3makefile</tt></td>
<td>Add the modules above to the Modula-3 project and
specify the name of the Modula-3 wrapper library
to be generated.
Today I'm not sure if it is a good idea
to create a <tt>m3makefile</tt> in each run,
because SWIG must be started for each Modula-3 module it creates.
Thus the m3makefile is overwritten each time. :-(
</td>
</tr>
</table>
<p>
Here's a scheme of how the function calls to Modula-3 wrappers
are redirected to C library functions:
</p>
<table summary="Modula-3 C library">
<tr>
<td align=center>
Modula-3 wrapper<br>
Module<tt>.i3</tt><br>
generated by Modula-3 part of SWIG
</td>
<td></td>
<td align=center></td>
</tr>
<tr>
<td align=center>
<!-- pre tag overrides centering -->
|<br>
v
</td>
<td></td>
<td align=center></td>
</tr>
<tr>
<td align=center>
Modula-3 interface to C<br>
Module<tt>Raw.i3</tt><br>
generated by Modula-3 part of SWIG
</td>
<td>--&gt;</td>
<td align=center>
C library
</td>
</tr>
</table>
<p>
I have still no good conception how one can split C library interfaces
into type oriented interfaces.
A Module in Modula-3 represents an Abstract DataType
(or call it a static classes, i.e. a class without virtual methods).
E.g. if you have a principal type, say <tt>Database</tt>,
it is good Modula-3 style to set up one Module with the name <tt>Database</tt>
where the database type is declared with the name <tt>T</tt>
and where all functions are declared that operates on it.
</p>
<p>
The normal operation of SWIG is to generate a fixed set of files per call.
To generate multiple modules one has to write one SWIG interface
(different SWIG interfaces can share common data) per module.
Identifiers belonging to a different module may ignored (<tt>%ignore</tt>)
and the principal type must be renamed (<tt>%typemap</tt>).
</p>
<H3><a name="Modula3_cppinterface">31.2.2 Interfaces to C++ libraries</a></H3>
<p>
Interfaces to C++ files are much more complicated and
there are some more design decisions that are not made, yet.
Modula-3 has no support for C++ functions
but C++ compilers should support generating C++ functions
with a C interface.
</p>
<p>
Here's a scheme of how the function calls to Modula-3 wrappers
are redirected to C library functions:
</p>
<table summary="Modula-3 C++ library">
<tr>
<td align=center>
Modula-3 wrapper<br>
Module<tt>.i3</tt><br>
generated by Modula-3 part of SWIG
</td>
<td></td>
<td align=center>C++ library</td>
</tr>
<tr>
<td align=center>
<!-- pre tag overrides centering -->
|<br>
v
</td>
<td></td>
<td align=center>
^<br>
|
</td>
</tr>
<tr>
<td align=center>
Modula-3 interface to C<br>
Module<tt>Raw.i3</tt><br>
generated by Modula-3 part of SWIG
</td>
<td>--&gt;</td>
<td align=center>
C interface to C++<br>
module<tt>_wrap.cxx</tt><br>
generated by the SWIG core
</td>
</tr>
</table>
<p>
Wrapping C++ libraries arises additional problems:
</p>
<ul>
<li>
Is it sensible to wrap C++ classes with Modula-3 classes?
</li>
<li>
How to find the wrapping Modula-3 class
for a class pointer that is returned by a C++ routine?
</li>
<li>
How to deal with multiple inheritance
which was neglected for Modula-3 for good reasons?
</li>
<li>
Is it possible to sub-class C++ classes with Modula-3 code?
This issue is addressed by directors,
a feature that was experimentally added to some Language modules
like
<a href="Java.html#Java_directors">Java</a> and
<a href="Python.html#Python_directors">Python</a>.
</li>
<li>
How to manage storage with the garbage collector of Modula-3?
Support for
<a href="Customization.html#Customization_ownership">
<tt>%newobject</tt> and <tt>%typemap(newfree)</tt></a>
isn't implemented, yet.
What's about resources that are managed by the garbage collector
but shall be passed back to the storage management of the C++ library?
This is a general issue which is not solved in a satisfying fashion
as far as I know.
</li>
<li>
How to turn C++ exceptions into Modula-3 exceptions?
There's also no support for
<a href="Customization.html#Customization_exception">
<tt>%exception</tt></a>, yet.
</li>
</ul>
<p>
Be warned:
There is no C++ library I wrote a SWIG interface for,
so I'm not sure if this is possible or sensible, yet.
</p>
<H2><a name="Modula3_preliminaries">31.3 Preliminaries</a></H2>
<H3><a name="Modula3_compilers">31.3.1 Compilers</a></H3>
<p>
There are different Modula-3 compilers around:
cm3, pm3, ezm3, Klagenfurth Modula-3, Cambridge Modula-3.
SWIG itself does not contain compiler specific code
but the modula3.swg library file
may do so.
For testing examples I use Critical Mass cm3.
</p>
<H3><a name="Modula3_commandline">31.3.2 Additional Commandline Options</a></H3>
<p>
There are some experimental command line options
that prevent SWIG from generating interface files.
Instead files are emitted that may assist you
when writing SWIG interface files.
</p>
<table border summary="Modula-3 specific options">
<tr>
<th>Modula-3 specific options</th>
<th>Description</th>
</tr>
<tr>
<td valign=top>-generateconst &lt;file&gt;</td>
<td>
Disable generation of interfaces and wrappers.
Instead write code for computing numeric values of constants
to the specified file.
<br>
C code may contain several constant definitions
written as preprocessor macros.
Other language modules of SWIG use
compute-once-use-readonly variables or
functions to wrap such definitions.
All of them can invoke C code dynamically
for computing the macro values.
But if one wants to turn them into Modula-3
integer constants, enumerations or set types,
the values of these expressions has to be known statically.
Although definitions like <tt>(1 &lt;&lt; FLAG_MAXIMIZEWINDOW)</tt>
must be considered as good C style
they are hard to convert to Modula-3
since the value computation can use every feature of C.
<br>
Thus I implemented these switch
to extract all constant definitions
and write a C program that output the values of them.
It works for numeric constants only
and treats all of them as <tt>double</tt>.
Future versions may generate a C++ program
that can detect the type of the macros
by overloaded output functions.
Then strings can also be processed.
</td>
</tr>
<tr>
<td valign=top>-generaterename &lt;file&gt;</td>
<td>
Disable generation of interfaces and wrappers.
Instead generate suggestions for <tt>%rename</tt>.
<br>
C libraries use a naming style
that is neither homogeneous nor similar to that of Modula-3.
C function names often contain a prefix denoting the library
and some name components separated by underscores
or capitalization changes.
To get library interfaces that are really Modula-3 like
you should rename the function names with the <tt>%rename</tt> directive.
This switch outputs a list of such directives
with a name suggestion generated by a simple heuristic.
</td>
</tr>
<tr>
<td valign=top>-generatetypemap &lt;file&gt;</td>
<td>
Disable generation of interfaces and wrappers.
Instead generate templates for some basic typemaps.
</td>
</tr>
</table>
<H2><a name="Modula3_typemaps">31.4 Modula-3 typemaps</a></H2>
<H3><a name="Modula3_inoutparam">31.4.1 Inputs and outputs</a></H3>
<p>
Each C procedure has a bunch of inputs and outputs.
Inputs are passed as function arguments,
outputs are updated referential arguments and
the function value.
</p>
<p>
Each C type can have several typemaps
that apply only in case if a type is used
for an input argument, for an output argument,
or for a return value.
A further typemap may specify
the direction that is used for certain parameters.
I have chosen this separation
in order to be able to write general typemaps for the modula3.swg typemap library.
In the library code the final usage of the type is not known.
Using separate typemaps for each possible use
allows appropriate definitions for each case.
If these pre-definitions are fine
then the direction of the function parameter
is the only hint the user must give.
</p>
<p>
The typemaps specific to Modula-3 have a common name scheme:
A typemap name starts with "m3",
followed by "raw" or "wrap"
depending on whether it controls the generation
of the Module<tt>Raw.i3</tt> or the Module<tt>.i3</tt>, respectively.
It follows an "in" for typemaps applied to input argument,
"out" for output arguments, "arg" for all kind of arguments,
"ret" for returned values.
</p>
<p>
The main task of SWIG is to build wrapper function,
i.e. functions that convert values between C and Modula-3
and call the corresponding C function.
Modula-3 wrapper functions generated by SWIG
consist of the following parts:
</p>
<ul>
<li>Generate <tt>PROCEDURE</tt> signature.</li>
<li>Declare local variables.</li>
<li>Convert input values from Modula-3 to C.</li>
<li>Check for input value integrity.</li>
<li>Call the C function.</li>
<li>Check returned values, e.g. error codes.</li>
<li>Convert and write back values into Modula-3 records.</li>
<li>Free temporary storage.</li>
<li>Return values.</li>
</ul>
<table border summary="Modula-3 typemaps">
<tr>
<th>Typemap</th>
<th>Example</th>
<th>Description</th>
</tr>
<tr>
<td>m3wrapargvar</td>
<td><tt>$1: INTEGER := $1_name;</tt></td>
<td>
Declaration of some variables needed for temporary results.
</td>
</tr>
<tr>
<td>m3wrapargconst</td>
<td><tt>$1 = "$1_name";</tt></td>
<td>
Declaration of some constant, maybe for debug purposes.
</td>
</tr>
<tr>
<td>m3wrapargraw</td>
<td><tt>ORD($1_name)</tt></td>
<td>
The expression that should be passed as argument to the raw Modula-3 interface function.
</td>
</tr>
<tr>
<td>m3wrapargdir</td>
<td><tt>out</tt></td>
<td>
Referential arguments can be used for input, output, update.
???
</td>
</tr>
<tr>
<td>m3wrapinmode</td>
<td><tt>READONLY</tt></td>
<td>
One of Modula-3 parameter modes
<tt>VALUE</tt> (or empty),
<tt>VAR</tt>,
<tt>READONLY</tt>
</td>
</tr>
<tr>
<td>m3wrapinname</td>
<td></td>
<td>
New name of the input argument.
</td>
</tr>
<tr>
<td>m3wrapintype</td>
<td></td>
<td>
Modula-3 type of the input argument.
</td>
</tr>
<tr>
<td>m3wrapindefault</td>
<td></td>
<td>
Default value of the input argument
</td>
</tr>
<tr>
<td>m3wrapinconv</td>
<td><tt>$1 := M3toC.SharedTtoS($1_name);</tt></td>
<td>
Statement for converting the Modula-3 input value to C compliant value.
</td>
</tr>
<tr>
<td>m3wrapincheck</td>
<td><tt>IF Text.Length($1_name) &gt; 10 THEN RAISE E("str too long"); END;</tt></td>
<td>
Check the integrity of the input value.
</td>
</tr>
<tr>
<td>m3wrapoutname</td>
<td></td>
<td>
Name of the <tt>RECORD</tt> field to be used for returning multiple values.
This applies to referential output arguments that shall be turned
into return values.
</td>
</tr>
<tr>
<td>m3wrapouttype</td>
<td></td>
<td>
Type of the value that is returned instead of a referential output argument.
</td>
</tr>
<tr>
<td>m3wrapoutconv</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapoutcheck</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapretraw</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapretname</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wraprettype</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapretvar</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapretconv</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapretcheck</td>
<td></td>
<td>
</td>
</tr>
<tr>
<td>m3wrapfreearg</td>
<td><tt>M3toC.FreeSharedS(str, arg1);</tt></td>
<td>
Free resources that were temporarily used in the wrapper.
Since this step should never be skipped,
SWIG will put it in the <tt>FINALLY</tt> branch
of a <tt>TRY .. FINALLY</tt> structure.
</td>
</tr>
</table>
<H3><a name="Modula3_ordinals">31.4.2 Subranges, Enumerations, Sets</a></H3>
<p>
Subranges, enumerations, and sets are machine oriented types
that make Modula very strong and expressive compared
with the type systems of many other languages.
</p>
<ul>
<li>
Subranges are used for statically restricted choices of integers.
</li>
<li>
Enumerations are used for named choices.
</li>
<li>
Sets are commonly used for flag (option) sets.
</li>
</ul>
<p>
Using them extensively makes Modula code very safe and readable.
</p>
<p>
C supports enumerations, too, but they are not as safe as the ones of Modula.
Thus they are abused for many things:
For named choices, for integer constant definitions, for sets.
To make it complete every way of defining a value in C
(<tt>#define</tt>, <tt>const int</tt>, <tt>enum</tt>)
is somewhere used for defining something
that must be handled completely different in Modula-3
(<tt>INTEGER</tt>, enumeration, <tt>SET</tt>).
</p>
<p>
I played around with several <tt>%feature</tt>s and <tt>%pragma</tt>s
that split the task up into converting
the C bit patterns (integer or bit set)
into Modula-3 bit patterns (integer or bit set)
and change the type as requested.
See the corresponding example in the
Examples/modula3/enum/example.i file.
This is quite messy and not satisfying.
So the best what you can currently do is
to rewrite constant definitions manually.
Though this is a tedious work
that I'd like to automate.
</p>
<H3><a name="Modula3_class">31.4.3 Objects</a></H3>
<p>
Declarations of C++ classes are mapped to <tt>OBJECT</tt> types
while it is tried to retain the access hierarchy
"public - protected - private" using partial revelation.
Though the example in
Examples/modula3/class/example.i
is not really useful, yet.
</p>
<H3><a name="Modula3_imports">31.4.4 Imports</a></H3>
<p>
Pieces of Modula-3 code provided by typemaps
may contain identifiers from foreign modules.
If the typemap <tt>m3wrapinconv</tt> for <tt>blah *</tt>
contains code using the function <tt>M3toC.SharedTtoS</tt>
you may declare <tt>%typemap("m3wrapinconv:import") blah * %{M3toC%}</tt>.
Then the module <tt>M3toC</tt> is imported
if the <tt>m3wrapinconv</tt> typemap for <tt>blah *</tt>
is used at least once.
Use <tt>%typemap("m3wrapinconv:import") blah * %{MyConversions AS M3toC%}</tt>
if you need module renaming.
Unqualified import is not supported.
</p>
<p>
It is cumbersome to add this typemap to each piece of Modula-3 code.
It is especially useful when writing general typemaps
for the modula3.swg typemap library.
For a monolithic module you might be better off
if you add the imports directly:
</p>
<div class="code">
<pre>
%insert(m3rawintf) %{
IMPORT M3toC;
%}
</pre></div>
<H3><a name="Modula3_exceptions">31.4.5 Exceptions</a></H3>
<p>
Modula-3 provides another possibility
of an output of a function: exceptions.
</p>
<p>
Any piece of Modula-3 code that SWIG inserts
due to a typemap can raise an exception.
This way you can also convert an error code
from a C function into a Modula-3 exception.
</p>
<p>
The <tt>RAISES</tt> clause is controlled
by typemaps with the <tt>throws</tt> extension.
If the typemap <tt>m3wrapinconv</tt> for <tt>blah *</tt>
contains code that may raise the exceptions <tt>OSError.E</tt>
you should declare
<tt>%typemap("m3wrapinconv:throws") blah * %{OSError.E%}</tt>.
</p>
<H3><a name="Modula3_typemap_example">31.4.6 Example</a></H3>
<p>
The generation of wrappers in Modula-3 needs very fine control
to take advantage of the language features.
Here is an example of a generated wrapper
where almost everything is generated by a typemap:
</p>
<div class="code"><pre>
<I> (* %relabel m3wrapinmode m3wrapinname m3wrapintype m3wrapindefault *)</I>
PROCEDURE Name (READONLY str : TEXT := "" )
<I> (* m3wrapoutcheck:throws *)</I>
: NameResult RAISES {E} =
CONST
arg1name = "str"; <I>(* m3wrapargconst *)</I>
VAR
arg0 : C.char_star; <I>(* m3wrapretvar *)</I>
arg1 : C.char_star; <I>(* m3wrapargvar *)</I>
arg2 : C.int;
result : RECORD
<I> (*m3wrapretname m3wraprettype*)</I>
unixPath : TEXT;
<I> (*m3wrapoutname m3wrapouttype*)</I>
checksum : CARDINAL;
END;
BEGIN
TRY
arg1 := M3toC.SharedTtoS(str); <I>(* m3wrapinconv *)</I>
IF Text.Length(arg1) &gt; 10 THEN <I>(* m3wrapincheck *)</I>
RAISE E("str too long");
END;
<I> (* m3wrapretraw m3wrapargraw *)</I>
arg0 := MessyToUnix (arg1, arg2);
result.unixPath := M3toC.CopyStoT(arg0); <I>(* m3wrapretconv *)</I>
result.checksum := arg2; <I>(* m3wrapoutconv *)</I>
IF result.checksum = 0 THEN <I>(* m3wrapoutcheck *)</I>
RAISE E("invalid checksum");
END;
FINALLY
M3toC.FreeSharedS(str, arg1); <I>(* m3wrapfreearg *)</I>
END;
END Name;
</pre></div>
<H2><a name="Modula3_hints">31.5 More hints to the generator</a></H2>
<H3><a name="Modula3_features">31.5.1 Features</a></H3>
<table border summary="Modula-3 features">
<tr>
<th>Feature</th>
<th>Example</th>
<th>Description</th>
</tr>
<tr>
<td>multiretval</td>
<td><tt>%m3multiretval get_box;</tt> or
<tt>%feature("modula3:multiretval") get_box;</tt></td>
<td>Let the denoted function return a <tt>RECORD</tt>
rather than a plain value.
This <tt>RECORD</tt> contains all arguments with "out" direction
including the return value of the C function (if there is one).
If more than one argument is "out"
then the function <b>must</b> have the <tt>multiretval</tt> feature activated,
but it is explicitly requested from the user to prevent mistakes.</td>
</tr>
<tr>
<td>constnumeric</td>
<td><tt>%constnumeric(12) twelve;</tt> or
<tt>%feature("constnumeric", "12") twelve;</tt></td>
<td>This feature can be used to tell Modula-3's back-end of SWIG
the value of an identifier.
This is necessary in the cases
where it was defined by a non-trivial C expression.
This feature is used by the
<tt>-generateconst</tt> <a href="#Modula3_commandline">option</a>.
In future it may be generalized to other kind of values
such as strings.
</td>
</tr>
</table>
<H3><a name="Modula3_pragmas">31.5.2 Pragmas</a></H3>
<table border summary="Modula-3 pragmas">
<tr>
<th>Pragma</th>
<th>Example</th>
<th>Description</th>
</tr>
<tr>
<td>unsafe</td>
<td><tt>%pragma(modula3) unsafe="true";</tt></td>
<td>Mark the raw interface modules as <tt>UNSAFE</tt>.
This will be necessary in many cases.</td>
</tr>
<tr>
<td>library</td>
<td><tt>%pragma(modula3) library="m3fftw";</tt></td>
<td>Specifies the library name for the wrapper library to be created.
It should be distinct from the name of the library to be wrapped.</td>
</tr>
</table>
<H2><a name="Modula3_remarks">31.6 Remarks</a></H2>
<ul>
<li>
The Modula-3 part of SWIG doesn't try to generate nicely formatted code.
If you need to read the generated code, use <tt>m3pp</tt> to postprocess the
Modula files.
</li>
</ul>
</body>
</html>

7
Examples/modula3/check.list
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@ -1,7 +0,0 @@
# see top-level Makefile.in
class
enum
exception
reference
simple
typemap

26
Examples/modula3/class/Makefile
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@ -1,26 +0,0 @@
TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS =
TARGET = example
PLATFORM = LINUXLIBC6
INTERFACE = example.i
SWIGOPT = -c++
MODULA3SRCS = *.[im]3
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3
m3ppinplace $(MODULA3SRCS)
# compilation of example_wrap.cxx is started by cm3
# $(CXX) -c $(TARGET)_wrap.cxx
mv example_wrap.cxx m3makefile $(MODULA3SRCS) src/
ln -sf ../example.h src/example.h
cm3
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_clean

28
Examples/modula3/class/example.cxx
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@ -1,28 +0,0 @@
/* File : example.cxx */
#include "example.h"
#define M_PI 3.14159265358979323846
/* Move the shape to a new location */
void Shape::move(double dx, double dy) {
x += dx;
y += dy;
}
int Shape::nshapes = 0;
double Circle::area() {
return M_PI*radius*radius;
}
double Circle::perimeter() {
return 2*M_PI*radius;
}
double Square::area() {
return width*width;
}
double Square::perimeter() {
return 4*width;
}

34
Examples/modula3/class/example.h
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@ -1,34 +0,0 @@
/* File : example.h */
class Shape {
public:
Shape() {
nshapes++;
}
virtual ~Shape() {
nshapes--;
}
double x, y;
void move(double dx, double dy);
virtual double area() = 0;
virtual double perimeter() = 0;
static int nshapes;
};
class Circle : public Shape {
private:
double radius;
public:
Circle(double r) : radius(r) { }
virtual double area();
virtual double perimeter();
};
class Square : public Shape {
private:
double width;
public:
Square(double w) : width(w) { }
virtual double area();
virtual double perimeter();
};

32
Examples/modula3/class/example.i
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@ -1,32 +0,0 @@
/* File : example.i */
%module Example
%{
#include "example.h"
%}
%insert(m3makefile) %{template("../swig")
cxx_source("example_wrap")%}
%typemap(m3rawinmode) Shape *, Circle *, Square * ""
%typemap(m3rawrettype) Shape *, Circle *, Square * "$1_basetype"
%typemap(m3wrapinmode) Shape *, Circle *, Square * ""
%typemap(m3wrapargraw) Shape *, Circle *, Square * "self.cxxObj"
%typemap(m3wrapretvar) Circle *, Square * "cxxObj : ExampleRaw.$1_basetype;"
%typemap(m3wrapretraw) Circle *, Square * "cxxObj"
%typemap(m3wrapretconv) Circle *, Square * "NEW($1_basetype,cxxObj:=cxxObj)"
%typemap(m3wraprettype) Circle *, Square * "$1_basetype"
/* Should work with and without renaming
%rename(M3Shape) Shape;
%rename(M3Circle) Circle;
%rename(M3Square) Square;
%typemap(m3wrapintype) Shape *, Circle *, Square * "M3$1_basetype"
%typemap(m3wraprettype) Shape *, Circle *, Square * "M3$1_basetype"
%typemap(m3wrapretconv) Circle *, Square * "NEW(M3$1_basetype,cxxObj:=cxxObj)"
*/
/* Let's just grab the original header file here */
%include "example.h"

11
Examples/modula3/class/swig.tmpl
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@ -1,11 +0,0 @@
readonly proc cxx_source (X) is
local cxxfile = X&".cxx"
local objfile = X&".o"
%exec("echo $PWD")
if stale(objfile,cxxfile)
exec("cd",path(),"; g++ -I.. -c -o",objfile,cxxfile)
end
import_obj(X)
%unlink_file(path()&SL&objfile)
end

27
Examples/modula3/enum/Makefile
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@ -1,27 +0,0 @@
TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS =
TARGET = example
INTERFACE = example.i
CONSTNUMERIC = example_const
SWIGOPT = -c++
MODULA3SRCS = *.[im]3
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_run
build:
$(SWIGEXE) -modula3 $(SWIGOPT) -module Example -generateconst $(CONSTNUMERIC) $(TARGET).h
$(CXX) -Wall $(CONSTNUMERIC).c -o $(CONSTNUMERIC)
$(CONSTNUMERIC) >$(CONSTNUMERIC).i
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3
m3ppinplace $(MODULA3SRCS)
mv m3makefile $(MODULA3SRCS) src/
cm3
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_clean

32
Examples/modula3/enum/example.cxx
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@ -1,32 +0,0 @@
/* File : example.cxx */
#include "example.h"
#include <stdio.h>
void Foo::enum_test(speed s) {
if (s == IMPULSE) {
printf("IMPULSE speed\n");
} else if (s == WARP) {
printf("WARP speed\n");
} else if (s == LUDICROUS) {
printf("LUDICROUS speed\n");
} else if (s == HYPER) {
printf("HYPER speed\n");
} else {
printf("Unknown speed\n");
}
}
void enum_test(color c, Foo::speed s) {
if (c == RED) {
printf("color = RED, ");
} else if (c == BLUE) {
printf("color = BLUE, ");
} else if (c == GREEN) {
printf("color = GREEN, ");
} else {
printf("color = Unknown color!, ");
}
Foo obj;
obj.enum_test(s);
}

83
Examples/modula3/enum/example.h
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@ -1,83 +0,0 @@
/* File : example.h */
#define PI 3.141
#define DAY_MONDAY 0
#define DAY_TUESDAY 1
#define DAY_WEDNESDAY 2
#define DAY_THURSDAY 3
#define DAY_FRIDAY 4
#define DAY_SATURDAY 5
#define DAY_SUNDAY 6
enum color { BLUE, RED, GREEN };
#define CLB_BLACK 0
#define CLB_BLUE 1
#define CLB_RED 2
#define CLB_MAGENTA 3
#define CLB_GREEN 4
#define CLB_CYAN 5
#define CLB_YELLOW 6
#define CLB_WHITE 7
/* Using this would be good style
which cannot be expected for general C header files.
Instead I want to demonstrate how to live without it.
enum month {
MTHF_JANUARY,
MTHF_FEBRUARY,
MTHF_MARCH,
MTHF_APRIL,
MTHF_MAY,
MTHF_JUNE,
MTHF_JULY,
MTHF_AUGUST,
MTHF_SEPTEMBER,
MTHF_OCTOBER,
MTHF_NOVEMBER,
MTHF_DECEMBER,
}
*/
/* Since there are no compile time constants in C / C++
it is a common abuse
to declare bit set (flag) constants
as enumerations. */
enum calendar {
MTHB_JANUARY = 1 << 0, /* 1 << MTHF_JANUARY, */
MTHB_FEBRUARY = 1 << 1, /* 1 << MTHF_FEBRUARY, */
MTHB_MARCH = 1 << 2, /* 1 << MTHF_MARCH, */
MTHB_APRIL = 1 << 3, /* 1 << MTHF_APRIL, */
MTHB_MAY = 1 << 4, /* 1 << MTHF_MAY, */
MTHB_JUNE = 1 << 5, /* 1 << MTHF_JUNE, */
MTHB_JULY = 1 << 6, /* 1 << MTHF_JULY, */
MTHB_AUGUST = 1 << 7, /* 1 << MTHF_AUGUST, */
MTHB_SEPTEMBER = 1 << 8, /* 1 << MTHF_SEPTEMBER, */
MTHB_OCTOBER = 1 << 9, /* 1 << MTHF_OCTOBER, */
MTHB_NOVEMBER = 1 << 10, /* 1 << MTHF_NOVEMBER, */
MTHB_DECEMBER = 1 << 11, /* 1 << MTHF_DECEMBER, */
MTHB_SPRING = MTHB_MARCH | MTHB_APRIL | MTHB_MAY,
MTHB_SUMMER = MTHB_JUNE | MTHB_JULY | MTHB_AUGUST,
MTHB_AUTUMN = MTHB_SEPTEMBER | MTHB_OCTOBER | MTHB_NOVEMBER,
MTHB_WINTER = MTHB_DECEMBER | MTHB_JANUARY | MTHB_FEBRUARY,
};
namespace Answer {
enum {
UNIVERSE_AND_EVERYTHING = 42,
SEVENTEEN_AND_FOUR = 21,
TWOHUNDRED_PERCENT_OF_NOTHING = 0,
};
class Foo {
public:
Foo() { }
enum speed { IMPULSE = -2, WARP = 0, HYPER, LUDICROUS = 3};
void enum_test(speed s);
};
};
void enum_test(color c, Answer::Foo::speed s);

72
Examples/modula3/enum/example.i
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@ -1,72 +0,0 @@
/* File : example.i */
%module Example
%{
#include "example.h"
%}
%include "example_const.i"
// such features are generated by the following pragmas
#if 0
%feature("modula3:enumitem:enum","Days") DAY_MONDAY;
%feature("modula3:enumitem:name","monday") DAY_MONDAY;
%feature("modula3:enumitem:conv","int:int") DAY_MONDAY;
%feature("modula3:enumitem:enum","Month") MTHB_JANUARY;
%feature("modula3:enumitem:name","january") MTHB_JANUARY;
%feature("modula3:enumitem:conv","set:int") MTHB_JANUARY;
//%feature("modula3:constset:type","MonthSet") MTHB_JANUARY; /*type in the constant definition*/
%feature("modula3:constset:set", "MonthSet") MTHB_JANUARY; /*remarks that the 'type' is a set type*/
%feature("modula3:constset:base","Month") MTHB_JANUARY;
%feature("modula3:constset:name","monthsJanuary") MTHB_JANUARY;
%feature("modula3:constset:conv","set:set") MTHB_JANUARY; /*conversion of the bit pattern: no change*/
%feature("modula3:enumitem:enum","Color") BLUE;
%feature("modula3:enumitem:name","blue") BLUE;
%feature("modula3:enumitem:conv","int:int") BLUE;
%feature("modula3:constint:type","INTEGER") Foo::IMPULSE;
%feature("modula3:constint:name","impulse") Foo::IMPULSE;
%feature("modula3:constint:conv","int:int") Foo::IMPULSE;
#endif
%rename(pi) PI;
%pragma(modula3) enumitem="prefix=DAY_;int;srcstyle=underscore;Day";
%pragma(modula3) enumitem="enum=color;int;srcstyle=underscore;Color";
%pragma(modula3) makesetofenum="Color";
%pragma(modula3) constset="prefix=CLB_;set;srcstyle=underscore,prefix=clb;ColorSet,Color";
%pragma(modula3) enumitem="prefix=MTHB_,enum=calendar;set;srcstyle=underscore;Month";
%pragma(modula3) makesetofenum="Month";
%pragma(modula3) constset="prefix=MTHB_,enum=calendar;set;srcstyle=underscore,prefix=monthset;MonthSet,Month";
%pragma(modula3) constint="prefix=Answer::Foo::,enum=Answer::Foo::speed;int;srcstyle=underscore,prefix=speed;INTEGER";
%pragma(modula3) constint="prefix=Answer::,enum=Answer::;int;srcstyle=underscore,prefix=answer;CARDINAL";
%rename(AnswerFoo) Answer::Foo;
%typemap("m3rawrettype") Answer::Foo * %{AnswerFoo%}
%typemap("m3rawintype") Answer::Foo * %{AnswerFoo%}
%typemap("m3rawinmode") Answer::Foo * %{%}
%typemap("m3wraprettype") Answer::Foo * %{AnswerFoo%}
%typemap("m3wrapintype") Answer::Foo * %{AnswerFoo%}
%typemap("m3wrapinmode") Answer::Foo * %{%}
%typemap("m3wrapargraw") Answer::Foo * %{self.cxxObj%}
%typemap("m3wrapretvar") Answer::Foo * %{cxxObj : ExampleRaw.AnswerFoo;%}
%typemap("m3wrapretraw") Answer::Foo * %{cxxObj%}
%typemap("m3wrapretconv") Answer::Foo * %{NEW(AnswerFoo,cxxObj:=cxxObj)%}
%typemap("m3rawintype") Answer::Foo::speed %{C.int%};
%typemap("m3rawintype:import") Answer::Foo::speed %{Ctypes AS C%};
%typemap("m3wrapintype") Answer::Foo::speed %{[-2..3]%};
%typemap("m3wrapintype") color %{Color%};
%typemap("m3wrapargraw") color %{ORD($1_name)%};
/* Let's just grab the original header file here */
%include "example.h"

24
Examples/modula3/exception/Makefile
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@ -1,24 +0,0 @@
TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
CXXSRCS = example.cxx
TARGET = example
INTERFACE = example.i
SWIGOPT =
MODULA3SRCS = *.[im]3
MODULA3FLAGS= -o runme
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3_cpp
# $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' MODULA3SRCS='$(MODULA3SRCS)' MODULA3FLAGS='$(MODULA3FLAGS)' modula3_compile
m3ppinplace $(MODULA3SRCS)
mv m3makefile $(MODULA3SRCS) src/
cm3
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_clean

18
Examples/modula3/exception/example.h
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@ -1,18 +0,0 @@
/* File : example.h */
enum error {OK, OVERFLOW, DIVISION_BY_ZERO, NEGATIVE_RADICAND, NEGATIVE_BASE};
typedef error errorstate; /* just to separate the typemaps */
error acc_add (double &x, double y);
error acc_sub (double &x, double y);
error acc_mul (double &x, double y);
error acc_div (double &x, double y);
double op_add (double x, double y, errorstate &err);
double op_sub (double x, double y, errorstate &err);
double op_mul (double x, double y, errorstate &err);
double op_div (double x, double y, errorstate &err);
double op_sqrt (double x, errorstate &err);
double op_pow (double x, double y, errorstate &err);
double op_noexc (double x, double y);

43
Examples/modula3/exception/example.i
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@ -1,43 +0,0 @@
/* File : example.i */
%module Example
%{
#include "example.h"
%}
%insert(m3wrapintf) %{
EXCEPTION E(Error);
%}
%insert(m3wrapimpl) %{
IMPORT Ctypes AS C;
%}
%pragma(modula3) enumitem="enum=error;int;srcstyle=underscore;Error";
%typemap("m3rawintype") double & %{C.double%};
%typemap("m3wrapintype") double & %{LONGREAL%};
%typemap("m3wraprettype") error ""
%typemap("m3wrapretvar") error "rawerr: C.int;"
%typemap("m3wrapretraw") error "rawerr"
%typemap("m3wrapretcheck:throws") error "E"
%typemap("m3wrapretcheck") error
%{VAR err := VAL(rawerr, Error);
BEGIN
IF err # Error.ok THEN
RAISE E(err);
END;
END;%}
%typemap("m3rawintype") errorstate & %{C.int%};
%typemap("m3wrapintype",numinputs=0) errorstate & %{%};
%typemap("m3wrapargvar") errorstate & %{err:C.int:=ORD(Error.ok);%};
%typemap("m3wrapoutcheck:throws") errorstate & "E";
%typemap("m3wrapoutcheck") errorstate &
%{IF VAL(err,Error) # Error.ok THEN
RAISE E(VAL(err,Error));
END;%}
/* Let's just grab the original header file here */
%include "example.h"

22
Examples/modula3/reference/Makefile
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@ -1,22 +0,0 @@
TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS =
TARGET = example
INTERFACE = example.i
SWIGOPT = -c++
MODULA3SRCS = *.[im]3
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3
m3ppinplace $(MODULA3SRCS)
mv m3makefile $(MODULA3SRCS) src/
cm3
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_clean

46
Examples/modula3/reference/example.cxx
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@ -1,46 +0,0 @@
/* File : example.cxx */
/* Deal with Microsoft's attempt at deprecating C standard runtime functions */
#if !defined(SWIG_NO_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER)
# define _CRT_SECURE_NO_DEPRECATE
#endif
#include "example.h"
#include <stdio.h>
#include <stdlib.h>
Vector operator+(const Vector &a, const Vector &b) {
Vector r;
r.x = a.x + b.x;
r.y = a.y + b.y;
r.z = a.z + b.z;
return r;
}
char *Vector::print() {
static char temp[512];
sprintf(temp,"Vector %p (%g,%g,%g)", (void *)this, x,y,z);
return temp;
}
VectorArray::VectorArray(int size) {
items = new Vector[size];
maxsize = size;
}
VectorArray::~VectorArray() {
delete [] items;
}
Vector &VectorArray::operator[](int index) {
if ((index < 0) || (index >= maxsize)) {
printf("Panic! Array index out of bounds.\n");
exit(1);
}
return items[index];
}
int VectorArray::size() {
return maxsize;
}

22
Examples/modula3/reference/example.h
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@ -1,22 +0,0 @@
/* File : example.h */
struct Vector {
private:
double x,y,z;
public:
Vector() : x(0), y(0), z(0) { }
Vector(double x, double y, double z) : x(x), y(y), z(z) { }
Vector operator+(const Vector &b) const;
char *print();
};
struct VectorArray {
private:
Vector *items;
int maxsize;
public:
VectorArray(int maxsize);
~VectorArray();
Vector &operator[](int);
int size();
};

32
Examples/modula3/reference/example.i
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@ -1,32 +0,0 @@
/* File : example.i */
/* This file has a few "typical" uses of C++ references. */
%module Example
%{
#include "example.h"
%}
%pragma(modula3) unsafe="1";
%insert(m3wrapintf) %{FROM ExampleRaw IMPORT Vector, VectorArray;%}
%insert(m3wrapimpl) %{FROM ExampleRaw IMPORT Vector, VectorArray;%}
%typemap(m3wrapretvar) Vector %{vec: UNTRACED REF Vector;%}
%typemap(m3wrapretraw) Vector %{vec%}
%typemap(m3wrapretconv) Vector %{vec^%}
/* This helper function calls an overloaded operator */
%inline %{
Vector addv(const Vector &a, const Vector &b) {
return a+b;
}
%}
%rename(Vector_Clear) Vector::Vector();
%rename(Add) Vector::operator+;
%rename(GetItem) VectorArray::operator[];
%include "example.h"

22
Examples/modula3/simple/Makefile
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@ -1,22 +0,0 @@
TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS =
TARGET = example
INTERFACE = example.i
SWIGOPT =
MODULA3SRCS = *.[im]3
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3
m3ppinplace $(MODULA3SRCS)
mv m3makefile $(MODULA3SRCS) src/
cm3
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_clean

18
Examples/modula3/simple/example.c
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@ -1,18 +0,0 @@
/* File : example.c */
/* A global variable */
double Foo = 3.0;
/* Compute the greatest common divisor of positive integers */
int gcd(int x, int y) {
int g;
g = y;
while (x > 0) {
g = x;
x = y % x;
y = g;
}
return g;
}

7
Examples/modula3/simple/example.i
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@ -1,7 +0,0 @@
/* File : example.i */
%module Example
%inline %{
extern int gcd(int x, int y);
extern double Foo;
%}

22
Examples/modula3/typemap/Makefile
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@ -1,22 +0,0 @@
TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS =
TARGET = example
INTERFACE = example.i
SWIGOPT =
MODULA3SRCS = *.[im]3
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' modula3
m3ppinplace $(MODULA3SRCS)
mv m3makefile $(MODULA3SRCS) src/
cm3
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' modula3_clean

90
Examples/modula3/typemap/example.i
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@ -1,90 +0,0 @@
/* File : example.i */
%module Example
%pragma(modula3) unsafe="true";
%insert(m3wrapintf) %{FROM ExampleRaw IMPORT Window, Point;
%}
%insert(m3wrapimpl) %{FROM ExampleRaw IMPORT Window, Point;
IMPORT M3toC;
IMPORT Ctypes AS C;
%}
/* Typemap applied to patterns of multiple arguments */
%typemap(m3rawinmode) (char *outstr) %{VAR%}
%typemap(m3rawintype) (char *outstr) %{CHAR%}
%typemap(m3wrapinmode) (char *outstr, int size) %{VAR%}
%typemap(m3wrapintype) (char *outstr, int size) %{ARRAY OF CHAR%}
%typemap(m3wrapargraw) (char *outstr, int size) %{$1_name[0], NUMBER($1_name)%}
%typemap(m3rawinmode) (const struct Window *) %{READONLY%}
%typemap(m3wrapinmode) (const struct Window *) %{READONLY%}
%typemap(m3rawintype) ( struct Window *) %{Window%}
%typemap(m3wrapintype) ( struct Window *) %{Window%}
%typemap(m3rawinmode) (const char *str []) %{READONLY%}
%typemap(m3wrapinmode) (const char *str []) %{READONLY%}
%typemap(m3rawintype) (const char *str []) %{(*ARRAY OF*) C.char_star%}
%typemap(m3wrapintype) (const char *str []) %{ARRAY OF TEXT%}
%typemap(m3wrapargvar) (const char *str []) %{$1: REF ARRAY OF C.char_star;%}
%typemap(m3wrapargraw) (const char *str []) %{$1[0]%}
%typemap(m3wrapinconv) (const char *str []) %{$1:= NEW(REF ARRAY OF C.char_star,NUMBER($1_name));
FOR i:=FIRST($1_name) TO LAST($1_name) DO
$1[i]:=M3toC.SharedTtoS($1_name[i]);
END;%}
%typemap(m3wrapfreearg) (const char *str [])
%{FOR i:=FIRST($1_name) TO LAST($1_name) DO
M3toC.FreeSharedS($1_name[i],$1[i]);
END;%}
%typemap(m3wraprettype) char * %{TEXT%}
%typemap(m3wrapretvar) char * %{result_string: C.char_star;%}
%typemap(m3wrapretraw) char * %{result_string%}
%typemap(m3wrapretconv) char * %{M3toC.CopyStoT(result_string)%}
struct Window {
char *label;
int left,top,width,height;
};
%typemap(m3wrapinname) (int x, int y) %{p%}
%typemap(m3wrapinmode) (int x, int y) %{READONLY%}
%typemap(m3wrapintype) (int x, int y) %{Point%}
%typemap(m3wrapargraw) (int x, int y) %{p.$1_name, p.$2_name%}
%typemap(m3wrapargraw) (int &x, int &y) %{p.$1_name, p.$2_name%}
%typemap(m3wrapintype) (int &x, int &y) %{Point%}
%typemap(m3wrapoutname) (int &x, int &y) %{p%}
%typemap(m3wrapouttype) (int &x, int &y) %{Point%}
%typemap(m3wrapargdir) (int &x, int &y) "out"
%typemap(m3wrapargvar) int &left, int &top, int &width, int &height "$1:C.int;"
%typemap(m3wrapargraw) int &left, int &top, int &width, int &height "$1"
%typemap(m3wrapoutconv) int &left, int &top, int &width, int &height "$1"
%typemap(m3wrapargdir) int &left, int &top "out"
%typemap(m3wrapouttype) int &width, int &height "CARDINAL"
%typemap(m3wrapargdir) int &width, int &height "out"
struct Point {
int x,y;
};
%m3multiretval get_box;
void set_label ( struct Window *win, const char *str, bool activate);
void set_multi_label ( struct Window *win, const char *str []);
void write_label (const struct Window *win, char *outstr, int size);
int get_label (const struct Window *win, char *outstr, int size);
char *get_label_ptr (const struct Window *win);
void move(struct Window *win, int x, int y);
int get_area(const struct Window *win);
void get_box(const struct Window *win, int &left, int &top, int &width, int &height);
void get_left(const struct Window *win, int &left);
void get_mouse(const struct Window *win, int &x, int &y);
int get_attached_data(const struct Window *win, const char *id);

787
Lib/modula3/modula3.swg
View file

@ -1,787 +0,0 @@
/* -----------------------------------------------------------------------------
* modula3.swg
*
* Modula3 typemaps
* ----------------------------------------------------------------------------- */
%include <modula3head.swg>
/* The ctype, m3rawtype and m3wraptype typemaps work together and so there should be one of each.
* The ctype typemap contains the C type used in the signature of C wrappers for C++ functions.
* The m3rawtype typemap contains the M3 type used in the raw interface.
* The m3rawintype typemap contains the M3 type used as function argument.
* The m3rawrettype typemap contains the M3 type used as return value.
* The m3wraptype typemap contains the M3 type used in the M3 type wrapper classes and module class. */
/* Primitive types */
%typemap(ctype) bool, const bool & "bool"
%typemap(ctype) char, const char & "char"
%typemap(ctype) signed char, const signed char & "signed char"
%typemap(ctype) unsigned char, const unsigned char & "unsigned short"
%typemap(ctype) short, const short & "short"
%typemap(ctype) unsigned short, const unsigned short & "unsigned short"
%typemap(ctype) int, const int & "int"
%typemap(ctype) unsigned int, const unsigned int & "unsigned int"
%typemap(ctype) long, const long & "long"
%typemap(ctype) unsigned long, const unsigned long & "unsigned long"
%typemap(ctype) long long, const long long & "long long"
%typemap(ctype) unsigned long long, const unsigned long long & "unsigned long long"
%typemap(ctype) float, const float & "float"
%typemap(ctype) double, const double & "double"
%typemap(ctype) char * "char *"
%typemap(ctype) void "void"
%typemap(m3rawtype) bool, const bool & "BOOLEAN"
%typemap(m3rawtype) char, const char & "C.char"
%typemap(m3rawtype) signed char, const signed char & "C.signed_char"
%typemap(m3rawtype) unsigned char, const unsigned char & "C.unsigned_char"
%typemap(m3rawtype) short, const short & "C.short"
%typemap(m3rawtype) unsigned short, const unsigned short & "C.unsigned_short"
%typemap(m3rawtype) int, const int & "C.int"
%typemap(m3rawtype) unsigned int, const unsigned int & "C.unsigned_int"
%typemap(m3rawtype) long, const long & "C.long"
%typemap(m3rawtype) unsigned long, const unsigned long & "C.unsigned_long"
%typemap(m3rawtype) long long, const long long & "C.long_long"
%typemap(m3rawtype) unsigned long long, const unsigned long long & "C.unsigned_long_long"
%typemap(m3rawtype) float, const float & "C.float"
%typemap(m3rawtype) double, const double & "C.double"
%typemap(m3rawtype) long double, const long double & "C.long_double"
%typemap(m3rawtype) char * "C.char_star"
%typemap(m3rawtype) void ""
%typemap(m3rawtype) FILE "Cstdio.FILE";
%typemap(m3rawtype) FILE * "Cstdio.FILE_star";
%typemap(m3rawintype) bool *, bool &, bool "BOOLEAN"
%typemap(m3rawintype) char *, char &, char "C.char"
%typemap(m3rawintype) signed char *, signed char &, signed char "C.signed_char"
%typemap(m3rawintype) unsigned char *, unsigned char &, unsigned char "C.unsigned_char"
%typemap(m3rawintype) short *, short &, short "C.short"
%typemap(m3rawintype) unsigned short *, unsigned short &, unsigned short "C.unsigned_short"
%typemap(m3rawintype) int *, int &, int "C.int"
%typemap(m3rawintype) unsigned int *, unsigned int &, unsigned int "C.unsigned_int"
%typemap(m3rawintype) long *, long &, long "C.long"
%typemap(m3rawintype) unsigned long *, unsigned long &, unsigned long "C.unsigned_long"
%typemap(m3rawintype) long long *, long long &, long long "C.long_long"
%typemap(m3rawintype) unsigned long long *, unsigned long long &, unsigned long long "C.unsigned_long_long"
%typemap(m3rawintype) float *, float &, float "C.float"
%typemap(m3rawintype) double *, double &, double "C.double"
%typemap(m3rawintype) long double *, long double &, long double "C.long_double"
%typemap(m3rawintype) char * "C.char_star"
%typemap(m3rawintype) void ""
%typemap(m3rawintype) void * "ADDRESS"
%typemap(m3rawintype) FILE "Cstdio.FILE";
%typemap(m3rawintype) FILE * "Cstdio.FILE_star";
%typemap(m3rawinmode) char *, void *, FILE * ""
%typemap(m3rawrettype) bool, const bool & "BOOLEAN"
%typemap(m3rawrettype) char, const char & "C.char"
%typemap(m3rawrettype) signed char, const signed char & "C.signed_char"
%typemap(m3rawrettype) unsigned char, const unsigned char & "C.unsigned_char"
%typemap(m3rawrettype) short, const short & "C.short"
%typemap(m3rawrettype) unsigned short, const unsigned short & "C.unsigned_short"
%typemap(m3rawrettype) int, const int & "C.int"
%typemap(m3rawrettype) unsigned int, const unsigned int & "C.unsigned_int"
%typemap(m3rawrettype) long, const long & "C.long"
%typemap(m3rawrettype) unsigned long, const unsigned long & "C.unsigned_long"
%typemap(m3rawrettype) long long, const long long & "C.long_long"
%typemap(m3rawrettype) unsigned long long, const unsigned long long & "C.unsigned_long_long"
%typemap(m3rawrettype) float, const float & "C.float"
%typemap(m3rawrettype) double, const double & "C.double"
%typemap(m3rawrettype) long double, const long double & "C.long_double"
%typemap(m3rawrettype) char * "C.char_star"
%typemap(m3rawrettype) void ""
%typemap(m3rawrettype) void * "ADDRESS"
%typemap(m3rawrettype) FILE "Cstdio.FILE";
%typemap(m3rawrettype) FILE * "Cstdio.FILE_star";
%typemap("m3rawtype:import")
char, const char &,
signed char, const signed char &,
unsigned char, const unsigned char &,
short, const short &,
unsigned short, const unsigned short &,
int, const int &,
unsigned int, const unsigned int &,
long, const long &,
unsigned long, const unsigned long &,
long long, const long long &,
unsigned long long, const unsigned long long &,
float, const float &,
double, const double &,
long double, const long double &,
char *
"Ctypes AS C"
%typemap("m3rawintype:import")
char, const char &,
signed char, const signed char &,
unsigned char, const unsigned char &,
short, const short &,
unsigned short, const unsigned short &,
int, const int &,
unsigned int, const unsigned int &,
long, const long &,
unsigned long, const unsigned long &,
long long, const long long &,
unsigned long long, const unsigned long long &,
float, const float &,
double, const double &,
long double, const long double &,
char *
"Ctypes AS C"
%typemap("m3rawrettype:import")
char, const char &,
signed char, const signed char &,
unsigned char, const unsigned char &,
short, const short &,
unsigned short, const unsigned short &,
int, const int &,
unsigned int, const unsigned int &,
long, const long &,
unsigned long, const unsigned long &,
long long, const long long &,
unsigned long long, const unsigned long long &,
float, const float &,
double, const double &,
long double, const long double &,
char *
"Ctypes AS C"
%typemap("m3rawtype:import")
FILE, FILE *
"Cstdio";
%typemap("m3rawintype:import")
FILE, FILE *
"Cstdio";
%typemap("m3rawrettype:import")
FILE, FILE *
"Cstdio";
%typemap(m3wraptype) bool, const bool & "BOOLEAN"
%typemap(m3wraptype) char, const char & "CHAR"
%typemap(m3wraptype) signed char, const signed char & "CHAR"
%typemap(m3wraptype) unsigned char, const unsigned char & "CHAR"
%typemap(m3wraptype) short, const short & "Integer16.T"
%typemap(m3wraptype) unsigned short, const unsigned short & "Cardinal16.T"
%typemap(m3wraptype) int, const int & "INTEGER"
%typemap(m3wraptype) unsigned int, const unsigned int & "CARDINAL"
%typemap(m3wraptype) long, const long & "Integer32.T"
%typemap(m3wraptype) unsigned long, const unsigned long & "Cardinal32.T"
%typemap(m3wraptype) long long, const long long & "Integer64.T"
%typemap(m3wraptype) unsigned long long, const unsigned long long & "Cardinal64.T"
%typemap(m3wraptype) float, const float & "REAL"
%typemap(m3wraptype) double, const double & "LONGREAL"
%typemap(m3wraptype) long double, const long double & "EXTENDED"
%typemap(m3wraptype) char * "TEXT"
%typemap(m3wraptype) void ""
%typemap(m3wraptype) FILE "Cstdio.FILE";
%typemap(m3wraptype) FILE * "Cstdio.FILE_star";
%typemap(m3wrapintype) bool, const bool *, const bool & "BOOLEAN"
%typemap(m3wrapintype) char, const char *, const char & "CHAR"
%typemap(m3wrapintype) signed char, const signed char *, const signed char & "CHAR"
%typemap(m3wrapintype) unsigned char, const unsigned char *, const unsigned char & "CHAR"
%typemap(m3wrapintype) short, const short *, const short & "INTEGER"
%typemap(m3wrapintype) unsigned short, const unsigned short *, const unsigned short & "CARDINAL"
%typemap(m3wrapintype) int, const int *, const int & "INTEGER"
%typemap(m3wrapintype) unsigned int, const unsigned int *, const unsigned int & "CARDINAL"
%typemap(m3wrapintype) long, const long *, const long & "INTEGER"
%typemap(m3wrapintype) unsigned long, const unsigned long *, const unsigned long & "CARDINAL"
%typemap(m3wrapintype) long long, const long long *, const long long & "INTEGER"
%typemap(m3wrapintype) unsigned long long, const unsigned long long *, const unsigned long long & "CARDINAL"
%typemap(m3wrapintype) float, const float *, const float & "REAL"
%typemap(m3wrapintype) double, const double *, const double & "LONGREAL"
%typemap(m3wrapintype) long double, const long double *, const long double & "EXTENDED"
%typemap(m3wrapintype) const char *, const char [] "TEXT"
%typemap(m3wrapintype,numinputs=0) void ""
%typemap(m3wrapintype) FILE "Cstdio.FILE";
%typemap(m3wrapintype) FILE * "Cstdio.FILE_star";
%typemap(m3wrapouttype) bool, bool *, bool & "BOOLEAN"
%typemap(m3wrapouttype) char, char *, char & "CHAR"
%typemap(m3wrapouttype) signed char, signed char *, signed char & "CHAR"
%typemap(m3wrapouttype) unsigned char, unsigned char *, unsigned char & "CHAR"
%typemap(m3wrapouttype) short, short *, short & "INTEGER"
%typemap(m3wrapouttype) unsigned short, unsigned short *, unsigned short & "CARDINAL"
%typemap(m3wrapouttype) int, int *, int & "INTEGER"
%typemap(m3wrapouttype) unsigned int, unsigned int *, unsigned int & "CARDINAL"
%typemap(m3wrapouttype) long, long *, long & "INTEGER"
%typemap(m3wrapouttype) unsigned long, unsigned long *, unsigned long & "CARDINAL"
%typemap(m3wrapouttype) long long, long long *, long long & "INTEGER"
%typemap(m3wrapouttype) unsigned long long, unsigned long long *, unsigned long long & "CARDINAL"
%typemap(m3wrapouttype) float, float *, float & "REAL"
%typemap(m3wrapouttype) double, double *, double & "LONGREAL"
%typemap(m3wrapouttype) long double, long double *, long double & "EXTENDED"
%typemap(m3wrapouttype) char *, char [] "TEXT"
%typemap(m3wrapouttype,numinputs=0) void ""
%typemap(m3wraprettype) bool, const bool & "BOOLEAN"
%typemap(m3wraprettype) char, const char & "CHAR"
%typemap(m3wraprettype) signed char, const signed char & "CHAR"
%typemap(m3wraprettype) unsigned char, const unsigned char & "CHAR"
%typemap(m3wraprettype) short, const short & "INTEGER"
%typemap(m3wraprettype) unsigned short, const unsigned short & "CARDINAL"
%typemap(m3wraprettype) int, const int & "INTEGER"
%typemap(m3wraprettype) unsigned int, const unsigned int & "CARDINAL"
%typemap(m3wraprettype) long, const long & "INTEGER"
%typemap(m3wraprettype) unsigned long, const unsigned long & "CARDINAL"
%typemap(m3wraprettype) long long, const long long & "INTEGER"
%typemap(m3wraprettype) unsigned long long, const unsigned long long & "CARDINAL"
%typemap(m3wraprettype) float, const float & "REAL"
%typemap(m3wraprettype) double, const double & "LONGREAL"
%typemap(m3wraprettype) long double, const long double & "EXTENDED"
%typemap(m3wraprettype) char * "TEXT"
%typemap(m3wraprettype) void ""
%typemap(m3wraprettype) FILE "Cstdio.FILE";
%typemap(m3wraprettype) FILE * "Cstdio.FILE_star";
%typemap(ctype) char[ANY] "char *"
%typemap(m3rawtype) char[ANY] "C.char_star"
%typemap(m3rawintype) char[ANY] "C.char_star"
%typemap(m3rawrettype) char[ANY] "C.char_star"
%typemap(m3wraptype) char[ANY] "TEXT"
%typemap(m3wrapintype) char[ANY] "TEXT"
%typemap(m3wrapouttype) char[ANY] "TEXT"
%typemap(m3wraprettype) char[ANY] "TEXT"
%typemap(m3wrapinmode) const char * %{%}
%typemap(m3wrapargvar) const char * %{$1 : C.char_star;%}
%typemap(m3wrapinconv) const char * %{$1 := M3toC.SharedTtoS($1_name);%}
%typemap(m3wrapfreearg) const char * %{M3toC.FreeSharedS($1_name,$1);%}
%typemap(m3wrapargraw) const char * %{$1%}
%typemap("m3wrapargvar:import") const char * "Ctypes AS C"
%typemap("m3wrapinconv:import") const char * "M3toC"
%typemap("m3wrapfreearg:import") const char * "M3toC"
%typemap(m3wrapretvar) char * %{result : C.char_star;%}
%typemap(m3wrapretraw) char * %{result%}
%typemap(m3wrapretconv) char * %{M3toC.CopyStoT(result)%}
%typemap("m3wrapretvar:import") char * "Ctypes AS C"
%typemap("m3wrapretconv:import") char * "M3toC"
%typemap(m3wrapinmode) FILE * %{%}
%typemap("m3wraptype:import")
FILE, FILE *
"Cstdio";
%typemap("m3wrapintype:import")
FILE, FILE *
"Cstdio";
%typemap("m3wraprettype:import")
FILE, FILE *
"Cstdio";
/* Composed types */
%typemap(ctype) SWIGTYPE "$1_type"
%typemap(m3rawtype) SWIGTYPE "$1_basetype"
%typemap(m3rawrettype) SWIGTYPE "UNTRACED REF $1_basetype"
%typemap(m3wraptype) SWIGTYPE "$1_basetype"
%typemap(m3wrapintype) SWIGTYPE "$1_basetype"
%typemap(m3wrapouttype) SWIGTYPE "$1_basetype"
%typemap(m3wraprettype) SWIGTYPE "$1_basetype"
%typemap(ctype) SWIGTYPE [] "$1_type"
%typemap(m3rawtype) const SWIGTYPE [] "UNTRACED REF ARRAY INTEGER OF $1_basetype"
%typemap(m3rawtype) SWIGTYPE [] "UNTRACED REF ARRAY INTEGER OF $1_basetype"
%typemap(m3rawintype) const SWIGTYPE [] "(*ARRAY OF*) $1_basetype"
%typemap(m3rawinmode) const SWIGTYPE [] "READONLY"
%typemap(m3rawintype) SWIGTYPE [] "(*ARRAY OF*) $1_basetype"
%typemap(m3rawinmode) SWIGTYPE [] "VAR"
%typemap(m3rawrettype) const SWIGTYPE [] "UNTRACED REF ARRAY INTEGER OF $1_basetype"
%typemap(m3rawrettype) SWIGTYPE [] "UNTRACED REF ARRAY INTEGER OF $1_basetype"
%typemap(m3wraptype) SWIGTYPE [] "$1_basetype"
%typemap(m3wrapintype) const SWIGTYPE [] "ARRAY OF $1_basetype"
%typemap(m3wrapinmode) const SWIGTYPE [] "READONLY"
%typemap(m3wrapintype) SWIGTYPE [] "ARRAY OF $1_basetype"
%typemap(m3wrapinmode) SWIGTYPE [] "VAR"
%typemap(m3wrapouttype) SWIGTYPE [] "ARRAY OF $1_basetype"
%typemap(m3wraprettype) SWIGTYPE [] "REF ARRAY OF $1_basetype"
%typemap(ctype) SWIGTYPE * "$1_type"
%typemap(m3rawtype) const SWIGTYPE * "UNTRACED REF $1_basetype"
%typemap(m3rawtype) SWIGTYPE * "UNTRACED REF $1_basetype"
%typemap(m3rawintype) const SWIGTYPE * "$1_basetype"
%typemap(m3rawinmode) const SWIGTYPE * "READONLY"
%typemap(m3rawintype) SWIGTYPE * "$1_basetype"
%typemap(m3rawinmode) SWIGTYPE * "VAR"
%typemap(m3rawrettype) const SWIGTYPE * "UNTRACED REF $1_basetype"
%typemap(m3rawrettype) SWIGTYPE * "UNTRACED REF $1_basetype"
%typemap(m3wraptype) SWIGTYPE * "$1_basetype"
%typemap(m3wrapintype) const SWIGTYPE * "$1_basetype"
%typemap(m3wrapinmode) const SWIGTYPE * "READONLY"
%typemap(m3wrapintype) SWIGTYPE * "$1_basetype"
%typemap(m3wrapinmode) SWIGTYPE * "VAR"
%typemap(m3wrapouttype) SWIGTYPE * "$1_basetype"
%typemap(m3wraprettype) SWIGTYPE * "UNTRACED REF $1_basetype"
%typemap(ctype) SWIGTYPE & "$1_type"
%typemap(m3rawtype) const SWIGTYPE & "UNTRACED REF $1_basetype"
%typemap(m3rawtype) SWIGTYPE & "UNTRACED REF $1_basetype"
%typemap(m3rawintype) const SWIGTYPE & "$1_basetype"
%typemap(m3rawinmode) const SWIGTYPE & "READONLY"
%typemap(m3rawintype) SWIGTYPE & "$1_basetype"
%typemap(m3rawinmode) SWIGTYPE & "VAR"
%typemap(m3rawrettype) const SWIGTYPE & "UNTRACED REF $1_basetype"
%typemap(m3rawrettype) SWIGTYPE & "UNTRACED REF $1_basetype"
%typemap(m3wraptype) SWIGTYPE & "$1_basetype"
%typemap(m3wrapintype) const SWIGTYPE & "$1_basetype"
%typemap(m3wrapinmode) const SWIGTYPE & "READONLY"
%typemap(m3wrapintype) SWIGTYPE & "$1_basetype"
%typemap(m3wrapinmode) SWIGTYPE & "VAR"
%typemap(m3wrapouttype) SWIGTYPE & "$1_basetype"
%typemap(m3wraprettype) SWIGTYPE & "UNTRACED REF $1_basetype"
%typemap(ctype) SWIGTYPE && "$1_type"
%typemap(m3rawtype) const SWIGTYPE && "UNTRACED REF $1_basetype"
%typemap(m3rawtype) SWIGTYPE && "UNTRACED REF $1_basetype"
%typemap(m3rawintype) const SWIGTYPE && "$1_basetype"
%typemap(m3rawinmode) const SWIGTYPE && "READONLY"
%typemap(m3rawintype) SWIGTYPE && "$1_basetype"
%typemap(m3rawinmode) SWIGTYPE && "VAR"
%typemap(m3rawrettype) const SWIGTYPE && "UNTRACED REF $1_basetype"
%typemap(m3rawrettype) SWIGTYPE && "UNTRACED REF $1_basetype"
%typemap(m3wraptype) SWIGTYPE && "$1_basetype"
%typemap(m3wrapintype) const SWIGTYPE && "$1_basetype"
%typemap(m3wrapinmode) const SWIGTYPE && "READONLY"
%typemap(m3wrapintype) SWIGTYPE && "$1_basetype"
%typemap(m3wrapinmode) SWIGTYPE && "VAR"
%typemap(m3wrapouttype) SWIGTYPE && "$1_basetype"
%typemap(m3wraprettype) SWIGTYPE && "UNTRACED REF $1_basetype"
%typemap(ctype) enum SWIGTYPE "$1_type"
%typemap(m3rawtype) enum SWIGTYPE "C.int"
%typemap(m3rawintype) enum SWIGTYPE "C.int (* $1_type *)"
%typemap(m3rawrettype) enum SWIGTYPE "C.int"
%typemap(m3wraptype) enum SWIGTYPE "$*1_type"
%typemap(m3wrapintype) enum SWIGTYPE "$1_type"
%typemap(m3wrapouttype) enum SWIGTYPE "$1_type"
%typemap(m3wraprettype) enum SWIGTYPE "$*1_type"
/* pointer to a class member */
%typemap(ctype) SWIGTYPE (CLASS::*) "$1_type"
%typemap(m3rawtype) SWIGTYPE (CLASS::*) "REFANY"
%typemap(m3wraptype) SWIGTYPE (CLASS::*) "$1_basetype"
/* The following are the in, out, freearg, argout typemaps.
These are the PInvoke code generating typemaps for converting from C# to C and visa versa. */
/* primitive types */
%typemap(in) bool
%{ $1 = $input ? true : false; %}
%typemap(in) char,
signed char,
unsigned char,
short,
unsigned short,
int,
unsigned int,
long,
unsigned long,
long long,
unsigned long long,
float,
double,
enum SWIGTYPE
%{ $1 = ($1_ltype)$input; %}
%typemap(out) bool %{ $result = $1; %}
%typemap(out) char %{ $result = $1; %}
%typemap(out) signed char %{ $result = $1; %}
%typemap(out) unsigned char %{ $result = $1; %}
%typemap(out) short %{ $result = $1; %}
%typemap(out) unsigned short %{ $result = $1; %}
%typemap(out) int %{ $result = $1; %}
%typemap(out) unsigned int %{ $result = $1; %}
%typemap(out) long %{ $result = $1; %}
%typemap(out) unsigned long %{ $result = $1; %}
%typemap(out) long long %{ $result = $1; %}
%typemap(out) unsigned long long %{ $result = $1; %}
%typemap(out) float %{ $result = $1; %}
%typemap(out) double %{ $result = $1; %}
%typemap(out) enum SWIGTYPE %{ $result = $1; %}
/* char * - treat as String */
%typemap(in) char * {
$1 = $input;
}
//%typemap(freearg) char * { if ($1) JCALL2(ReleaseStringUTFChars, jenv, $input, $1); }
//%typemap(out) char * { if($1) $result = JCALL1(NewStringUTF, jenv, $1); }
%typemap(out) void ""
/* primitive types by const reference */
%typemap(in) const bool & (bool temp)
%{ temp = $input ? true : false;
$1 = &temp; %}
%typemap(in) const char & (char temp),
const signed char & (signed char temp),
const unsigned char & (unsigned char temp),
const short & (short temp),
const unsigned short & (unsigned short temp),
const int & (int temp),
const unsigned int & (unsigned int temp),
const long & (long temp),
const unsigned long & (unsigned long temp),
const long long & ($*1_ltype temp),
const unsigned long long & ($*1_ltype temp),
const float & (float temp),
const double & (double temp)
%{ temp = ($*1_ltype)$input;
$1 = &temp; %}
%typemap(out) const bool & %{ $result = *$1; %}
%typemap(out) const char & %{ $result = *$1; %}
%typemap(out) const signed char & %{ $result = *$1; %}
%typemap(out) const unsigned char & %{ $result = *$1; %}
%typemap(out) const short & %{ $result = *$1; %}
%typemap(out) const unsigned short & %{ $result = *$1; %}
%typemap(out) const int & %{ $result = *$1; %}
%typemap(out) const unsigned int & %{ $result = *$1; %}
%typemap(out) const long & %{ $result = *$1; %}
%typemap(out) const unsigned long & %{ $result = *$1; %}
%typemap(out) const long long & %{ $result = *$1; %}
%typemap(out) const unsigned long long & %{ $result = *$1; %}
%typemap(out) const float & %{ $result = *$1; %}
%typemap(out) const double & %{ $result = *$1; %}
/* Default handling. Object passed by value. Convert to a pointer */
%typemap(in) SWIGTYPE ($&1_type argp)
%{ argp = *($&1_ltype*)&$input;
if (!argp) {
// SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "Attempt to dereference null $1_type");
RETURN $null;
}
$1 = *argp; %}
%typemap(out) SWIGTYPE
#ifdef __cplusplus
%{*($&1_ltype*)&$result = new $1_ltype((const $1_ltype &)$1); %}
#else
{
$&1_ltype $1ptr = ($&1_ltype) malloc(sizeof($1_ltype));
memmove($1ptr, &$1, sizeof($1_type));
*($&1_ltype*)&$result = $1ptr;
}
#endif
/* Generic pointers and references */
%typemap(in) SWIGTYPE *, SWIGTYPE (CLASS::*) %{ $1 = *($&1_ltype)&$input; %}
%typemap(in) SWIGTYPE & %{ $1 = *($&1_ltype)&$input;
if(!$1) {
//SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "$1_type reference is null");
RETURN $null;
} %}
%typemap(in) SWIGTYPE && %{ $1 = *($&1_ltype)&$input;
if(!$1) {
//SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "$1_type reference is null");
RETURN $null;
} %}
%typemap(out) SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE (CLASS::*) %{ *($&1_ltype)&$result = $1; %}
/* Default array handling */
%typemap(in) SWIGTYPE [] %{ $1 = *($&1_ltype)&$input; %}
%typemap(out) SWIGTYPE [] %{ *($&1_ltype)&$result = $1; %}
/* char[ANY] - treat as String */
%typemap(in) char[ANY] {
$1 = $input;
}
%typemap(argout) char[ANY] ""
%typemap(freearg) char[ANY] ""//{ if ($1) JCALL2(ReleaseStringUTFChars, jenv, $input, $1); }
%typemap(out) char[ANY] { if($1) $result = $1; }
/* Typecheck typemaps - The purpose of these is merely to issue a warning for overloaded C++ functions
* that cannot be overloaded in C# as more than one C++ type maps to a single C# type */
%typecheck(SWIG_TYPECHECK_BOOL) /* Java boolean */
bool,
const bool &
""
%typecheck(SWIG_TYPECHECK_CHAR) /* Java char */
char,
const char &
""
%typecheck(SWIG_TYPECHECK_INT8) /* Java byte */
signed char,
const signed char &
""
%typecheck(SWIG_TYPECHECK_INT16) /* Java short */
unsigned char,
short,
const unsigned char &,
const short &
""
%typecheck(SWIG_TYPECHECK_INT32) /* Java int */
unsigned short,
int,
long,
const unsigned short &,
const int &,
const long &,
enum SWIGTYPE
""
%typecheck(SWIG_TYPECHECK_INT64) /* Java long */
unsigned int,
unsigned long,
long long,
const unsigned int &,
const unsigned long &,
const long long &
""
%typecheck(SWIG_TYPECHECK_INT128) /* Java BigInteger */
unsigned long long
""
%typecheck(SWIG_TYPECHECK_FLOAT) /* Java float */
float,
const float &
""
%typecheck(SWIG_TYPECHECK_DOUBLE) /* Java double */
double,
const double &
""
%typecheck(SWIG_TYPECHECK_STRING) /* Java String */
char *,
char[ANY]
""
%typecheck(SWIG_TYPECHECK_POINTER) /* Default */
SWIGTYPE,
SWIGTYPE *,
SWIGTYPE &,
SWIGTYPE &&,
SWIGTYPE [],
SWIGTYPE (CLASS::*)
""
/* Exception handling */
%typemap(throws) int,
long,
short,
unsigned int,
unsigned long,
unsigned short {
char error_msg[256];
sprintf(error_msg, "C++ $1_type exception thrown, value: %d", $1);
SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, error_msg);
RETURN $null;
}
%typemap(throws) SWIGTYPE {
(void)$1;
SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, "C++ $1_type exception thrown");
RETURN $null;
}
%typemap(throws) char * {
SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, $1);
RETURN $null;
}
/* Typemaps for code generation in proxy classes and C# type wrapper classes */
/* The in typemap is used for converting function parameter types from the type
* used in the proxy, module or type wrapper class to the type used in the PInvoke class. */
%typemap(m3in) bool, const bool &,
char, const char &,
signed char, const signed char &,
unsigned char, const unsigned char &,
short, const short &,
unsigned short, const unsigned short &,
int, const int &,
unsigned int, const unsigned int &,
long, const long &,
unsigned long, const unsigned long &,
long long, const long long &,
unsigned long long, const unsigned long long &,
float, const float &,
double, const double &,
char *,
char[ANY],
enum SWIGTYPE
"$input"
%typemap(m3in) SWIGTYPE "$&*1_type.getCPtr($input)"
%typemap(m3in) SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) "$1_basetype.getCPtr($input)"
/* The m3out typemap is used for converting function return types from the return type
* used in the PInvoke class to the type returned by the proxy, module or type wrapper class. */
%typemap(m3out) bool, const bool &,
char, const char &,
signed char, const signed char &,
unsigned char, const unsigned char &,
short, const short &,
unsigned short, const unsigned short &,
int, const int &,
unsigned int, const unsigned int &,
long, const long &,
unsigned long, const unsigned long &,
long long, const long long &,
unsigned long long, const unsigned long long &,
float, const float &,
double, const double &,
char *,
char[ANY],
enum SWIGTYPE
%{$imcall%}
%typemap(m3out) void %{$imcall%}
%typemap(m3out) SWIGTYPE %{
RETURN NEW(REF $1_basetype, $imcall);
%}
%typemap(m3out) SWIGTYPE & %{
RETURN NEW($1_basetype, $imcall, $owner);
%}
%typemap(m3out) SWIGTYPE && %{
RETURN NEW($1_basetype, $imcall, $owner);
%}
%typemap(m3out) SWIGTYPE *, SWIGTYPE [], SWIGTYPE (CLASS::*) %{
cPtr := $imcall;
RETURN (cPtr = IntPtr.Zero) ? null : NEW($1_basetype, cPtr, $owner);
%}
/* Properties */
%typemap(m3varin) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) %{
PROCEDURE Set$var (value: $vartype) =
BEGIN
$imcall;
END Set$var;
%}
%typemap(m3varout) bool, const bool &,
char, const char &,
signed char, const signed char &,
unsigned char, const unsigned char &,
short, const short &,
unsigned short, const unsigned short &,
int, const int &,
unsigned int, const unsigned int &,
long, const long &,
unsigned long, const unsigned long &,
long long, const long long &,
unsigned long long, const unsigned long long &,
float, const float &,
double, const double &,
char *,
char[ANY],
enum SWIGTYPE %{
PROCEDURE Get$var (): $vartype =
BEGIN
RETURN $imcall;
END Get$var;
%}
%typemap(m3varout) void %{
get {
$imcall;
} %}
%typemap(m3varout) SWIGTYPE %{
get {
RETURN new $&*1_mangle($imcall, true);
} %}
%typemap(m3varout) SWIGTYPE & %{
get {
RETURN new $1_basetype($imcall, $owner);
} %}
%typemap(m3varout) SWIGTYPE && %{
get {
RETURN new $1_basetype($imcall, $owner);
} %}
%typemap(m3varout) SWIGTYPE *, SWIGTYPE [], SWIGTYPE (CLASS::*) %{
get {
IntPtr cPtr = $imcall;
RETURN (cPtr == IntPtr.Zero) ? null : new $1_basetype(cPtr, $owner);
} %}
/* Typemaps used for the generation of proxy and type wrapper class code */
%typemap(m3base) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) ""
%typemap(m3classmodifiers) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) "public"
%typemap(m3code) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) ""
%typemap(m3imports) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) "using System;"
%typemap(m3interfaces) SWIGTYPE "IDisposable"
%typemap(m3interfaces_derived) SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) ""
%typemap(m3ptrconstructormodifiers) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) "internal"
%typemap(m3finalize) SWIGTYPE %{
~$1_basetype() {
Dispose();
}
%}
%typemap(m3destruct, methodname="Dispose") SWIGTYPE {
if(swigCPtr != IntPtr.Zero && swigCMemOwn) {
$imcall;
swigCMemOwn = false;
}
swigCPtr = IntPtr.Zero;
GC.SuppressFinalize(this);
}
%typemap(m3destruct_derived, methodname="Dispose") SWIGTYPE {
if(swigCPtr != IntPtr.Zero && swigCMemOwn) {
$imcall;
swigCMemOwn = false;
}
swigCPtr = IntPtr.Zero;
GC.SuppressFinalize(this);
base.Dispose();
}
%typemap(m3getcptr) SWIGTYPE, SWIGTYPE *, SWIGTYPE &, SWIGTYPE &&, SWIGTYPE [], SWIGTYPE (CLASS::*) %{
internal static IntPtr getCPtr($1_basetype obj) {
RETURN (obj == null) ? IntPtr.Zero : obj.swigCPtr;
}
%}
/* M3 specific directives */
#define %m3multiretval %feature("modula3:multiretval")
#define %constnumeric(num) %feature("constnumeric","num")
%pragma(modula3) moduleimports=%{
IMPORT BlaBla;
%}
%pragma(modula3) imclassimports=%{
FROM BlaBla IMPORT Bla;
%}
/* Some ANSI C typemaps */
%apply unsigned long { size_t };
/* Array reference typemaps */
%apply SWIGTYPE & { SWIGTYPE ((&)[ANY]) }
%apply SWIGTYPE && { SWIGTYPE ((&&)[ANY]) }
/* const pointers */
%apply SWIGTYPE * { SWIGTYPE *const }
%apply SWIGTYPE (CLASS::*) { SWIGTYPE (CLASS::*const) }
%apply SWIGTYPE & { SWIGTYPE (CLASS::*const&) }

64
Lib/modula3/modula3head.swg
View file

@ -1,64 +0,0 @@
/* -----------------------------------------------------------------------------
* modula3head.swg
*
* Modula3 support code
* ----------------------------------------------------------------------------- */
%insert(runtime) %{
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
%}
#if 0
%insert(runtime) %{
/* Support for throwing Modula3 exceptions */
typedef enum {
SWIG_JavaOutOfMemoryError = 1,
SWIG_JavaIOException,
SWIG_JavaRuntimeException,
SWIG_JavaIndexOutOfBoundsException,
SWIG_JavaArithmeticException,
SWIG_JavaIllegalArgumentException,
SWIG_JavaNullPointerException,
SWIG_JavaUnknownError
} SWIG_JavaExceptionCodes;
typedef struct {
SWIG_JavaExceptionCodes code;
const char *java_exception;
} SWIG_JavaExceptions_t;
#if defined(SWIG_NOINCLUDE)
void SWIG_JavaThrowException(JNIEnv *jenv, SWIG_JavaExceptionCodes code, const char *msg);
#else
%}
%insert(runtime) {
void SWIG_JavaThrowException(JNIEnv *jenv, SWIG_JavaExceptionCodes code, const char *msg) {
jclass excep;
static const SWIG_JavaExceptions_t java_exceptions[] = {
{ SWIG_JavaOutOfMemoryError, "java/lang/OutOfMemoryError" },
{ SWIG_JavaIOException, "java/io/IOException" },
{ SWIG_JavaRuntimeException, "java/lang/RuntimeException" },
{ SWIG_JavaIndexOutOfBoundsException, "java/lang/IndexOutOfBoundsException" },
{ SWIG_JavaArithmeticException, "java/lang/ArithmeticException" },
{ SWIG_JavaIllegalArgumentException, "java/lang/IllegalArgumentException" },
{ SWIG_JavaNullPointerException, "java/lang/NullPointerException" },
{ SWIG_JavaUnknownError, "java/lang/UnknownError" },
{ (SWIG_JavaExceptionCodes)0, "java/lang/UnknownError" } };
const SWIG_JavaExceptions_t *except_ptr = java_exceptions;
while (except_ptr->code != code && except_ptr->code)
except_ptr++;
JCALL0(ExceptionClear, jenv);
excep = JCALL1(FindClass, jenv, except_ptr->java_exception);
if (excep)
JCALL2(ThrowNew, jenv, excep, msg);
}
}
%insert(runtime) %{
#endif
%}
#endif

74
Lib/modula3/typemaps.i
View file

@ -1,74 +0,0 @@
/* -----------------------------------------------------------------------------
* typemaps.i
*
* Pointer and reference handling typemap library
*
* These mappings provide support for input/output arguments and common
* uses for C/C++ pointers and C++ references.
* ----------------------------------------------------------------------------- */
/* These typemaps will eventually probably maybe make their way into named typemaps
* OUTPUT * and OUTPUT & as they currently break functions that return a pointer or
* reference. */
%typemap(ctype) bool *, bool & "bool *"
%typemap(ctype) char & "char *"
%typemap(ctype) signed char *, signed char & "signed char *"
%typemap(ctype) unsigned char *, unsigned char & "unsigned short *"
%typemap(ctype) short *, short & "short *"
%typemap(ctype) unsigned short *, unsigned short & "unsigned short *"
%typemap(ctype) int *, int & "int *"
%typemap(ctype) unsigned int *, unsigned int & "unsigned int *"
%typemap(ctype) long *, long & "long *"
%typemap(ctype) unsigned long *, unsigned long & "unsigned long *"
%typemap(ctype) long long *, long long & "long long *"
%typemap(ctype) unsigned long long *, unsigned long long & "unsigned long long *"
%typemap(ctype) float *, float & "float *"
%typemap(ctype) double *, double & "double *"
%typemap(imtype) bool *, bool & "ref bool"
%typemap(imtype) char & "ref char"
%typemap(imtype) signed char *, signed char & "ref sbyte"
%typemap(imtype) unsigned char *, unsigned char & "ref byte"
%typemap(imtype) short *, short & "ref short"
%typemap(imtype) unsigned short *, unsigned short & "ref ushort"
%typemap(imtype) int *, int & "ref int"
%typemap(imtype) unsigned int *, unsigned int & "ref uint"
%typemap(imtype) long *, long & "ref int"
%typemap(imtype) unsigned long *, unsigned long & "ref uint"
%typemap(imtype) long long *, long long & "ref long"
%typemap(imtype) unsigned long long *, unsigned long long & "ref ulong"
%typemap(imtype) float *, float & "ref float"
%typemap(imtype) double *, double & "ref double"
%typemap(cstype) bool *, bool & "ref bool"
%typemap(cstype) char & "ref char"
%typemap(cstype) signed char *, signed char & "ref sbyte"
%typemap(cstype) unsigned char *, unsigned char & "ref byte"
%typemap(cstype) short *, short & "ref short"
%typemap(cstype) unsigned short *, unsigned short & "ref ushort"
%typemap(cstype) int *, int & "ref int"
%typemap(cstype) unsigned int *, unsigned int & "ref uint"
%typemap(cstype) long *, long & "ref int"
%typemap(cstype) unsigned long *, unsigned long & "ref uint"
%typemap(cstype) long long *, long long & "ref long"
%typemap(cstype) unsigned long long *, unsigned long long & "ref ulong"
%typemap(cstype) float *, float & "ref float"
%typemap(cstype) double *, double & "ref double"
%typemap(csin) bool *, bool &,
char &,
signed char *, signed char &,
unsigned char *, unsigned char &,
short *, short &,
unsigned short *, unsigned short &,
int *, int &,
unsigned int *, unsigned int &,
long *, long &,
unsigned long *, unsigned long &,
long long *, long long &,
unsigned long long *, unsigned long long &,
float *, float &,
double *, double &
"ref $csinput"

14
Source/Include/swigwarn.h
View file

@ -302,19 +302,7 @@
/* please leave 830-849 free for C# */ /* please leave 830-849 free for C# */
#define WARN_MODULA3_TYPEMAP_TYPE_UNDEF 850 /* 850-860 were used by Modula 3 (removed in SWIG 4.1.0) - avoid reusing for now */
#define WARN_MODULA3_TYPEMAP_GETCPTR_UNDEF 851
#define WARN_MODULA3_TYPEMAP_CLASSMOD_UNDEF 852
#define WARN_MODULA3_TYPEMAP_PTRCONSTMOD_UNDEF 853
#define WARN_MODULA3_TYPEMAP_MULTIPLE_RETURN 854
#define WARN_MODULA3_MULTIPLE_INHERITANCE 855
#define WARN_MODULA3_TYPECONSTRUCTOR_UNKNOWN 856
#define WARN_MODULA3_UNKNOWN_PRAGMA 857
#define WARN_MODULA3_BAD_ENUMERATION 858
#define WARN_MODULA3_DOUBLE_ID 859
#define WARN_MODULA3_BAD_IMPORT 860
/* please leave 850-869 free for Modula 3 */
#define WARN_PHP_MULTIPLE_INHERITANCE 870 #define WARN_PHP_MULTIPLE_INHERITANCE 870
#define WARN_PHP_UNKNOWN_PRAGMA 871 #define WARN_PHP_UNKNOWN_PRAGMA 871

3923
Source/Modules/modula3.cxx
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