swig/Source/Modules/guile.cxx

1787 lines
56 KiB
C++

/******************************************************************************
* Simplified Wrapper and Interface Generator (SWIG)
*
* Author : David Beazley
*
* Department of Computer Science
* University of Chicago
* 1100 E 58th Street
* Chicago, IL 60637
* beazley@cs.uchicago.edu
*
* Please read the file LICENSE for the copyright and terms by which SWIG
* can be used and distributed.
*****************************************************************************/
char cvsroot_guile_cxx[] = "$Header$";
/***********************************************************************
* $Header$
*
* guile.cxx
*
* Definitions for adding functions to Guile
***********************************************************************/
/***********************************************************************
* GOOPS Support added by John Lenz <jelenz@wisc.edu> in June, 2003
* Base code copied from chicken module, writen by Jonah Beckford
***********************************************************************/
#include "swigmod.h"
#include <ctype.h>
// Note string broken in half for compilers that can't handle long strings
static const char *guile_usage = (char*)"\
Guile Options (available with -guile)\n\
-prefix <name> - Use <name> as prefix [default \"gswig_\"]\n\
-package <name> - Set the path of the module to <name>\n\
(default NULL)\n\
-emitsetters - Emit procedures-with-setters for variables\n\
and structure slots.\n\
-onlysetters - Don't emit traditional getter and setter\n\
procedures for structure slots,\n\
only emit procedures-with-setters.\n\
-procdoc <file> - Output procedure documentation to <file>\n\
-procdocformat <format> - Output procedure documentation in <format>;\n\
one of `guile-1.4', `plain', `texinfo'\n\
-linkage <lstyle> - Use linkage protocol <lstyle> (default `simple')\n\
Use `module' for native Guile module linking\n\
(requires Guile >= 1.5.0). Use `passive' for\n\
passive linking (no C-level module-handling code),\n\
`ltdlmod' for Guile's old dynamic module\n\
convention (Guile <= 1.4), or `hobbit' for hobbit\n\
modules.\n\
-scmstub - Output Scheme file with module declaration and\n\
exports; only with `passive' and `simple' linkage\n\
-gh - Use the gh_ Guile API. (Guile <= 1.8) \n\
-scm - Use the scm Guile API. (Guile >= 1.6, default) \n\
-proxy - Export GOOPS class definitions\n\
-emitslotaccessors - Emit accessor methods for all GOOPS slots\n" "\
-primsuffix <suffix> - Name appended to primitive module when exporting\n\
GOOPS classes. (default = \"primitive\")\n\
-goopsprefix <prefix> - Prepend <prefix> to all goops identifiers\n\
-useclassprefix - Prepend the class name to all goops identifiers\n\
-exportprimitive - Add the (export ...) code from scmstub into the\n\
GOOPS file.\n";
static File *f_runtime = 0;
static File *f_header = 0;
static File *f_wrappers = 0;
static File *f_init = 0;
static char *prefix = (char *) "gswig_";
static char *module = 0;
static char *package = 0;
static enum {
GUILE_LSTYLE_SIMPLE, // call `SWIG_init()'
GUILE_LSTYLE_PASSIVE, // passive linking (no module code)
GUILE_LSTYLE_MODULE, // native guile module linking (Guile >= 1.4.1)
GUILE_LSTYLE_LTDLMOD_1_4, // old (Guile <= 1.4) dynamic module convention
GUILE_LSTYLE_HOBBIT // use (hobbit4d link)
} linkage = GUILE_LSTYLE_SIMPLE;
static File *procdoc = 0;
static bool scmstub = false;
static String *scmtext;
static bool goops = false;
static String *goopstext;
static String *goopscode;
static String *goopsexport;
static enum {
GUILE_1_4,
PLAIN,
TEXINFO
} docformat = GUILE_1_4;
static int emit_setters = 0;
static int only_setters = 0;
static int emit_slot_accessors = 0;
static int struct_member = 0;
static String *beforereturn = 0;
static String *return_nothing_doc = 0;
static String *return_one_doc = 0;
static String *return_multi_doc = 0;
static String *exported_symbols = 0;
static int use_scm_interface = 1;
static int exporting_destructor = 0;
static String *swigtype_ptr = 0;
/* GOOPS stuff */
static String *primsuffix = 0;
static String *class_name = 0;
static String *short_class_name = 0;
static String *goops_class_methods;
static int in_class = 0;
static int have_constructor = 0;
static int useclassprefix = 0; // -useclassprefix argument
static String *goopsprefix = 0; // -goopsprefix argument
static int primRenamer = 0; // if (use-modules ((...) :renamer ...) is exported to GOOPS file
static int exportprimitive = 0; // -exportprimitive argument
static String *memberfunction_name = 0;
class GUILE : public Language {
public:
/* ------------------------------------------------------------
* main()
* ------------------------------------------------------------ */
virtual void main (int argc, char *argv[]) {
int i, orig_len;
SWIG_library_directory("guile");
SWIG_typemap_lang("guile");
// Look for certain command line options
for (i = 1; i < argc; i++) {
if (argv[i]) {
if (strcmp (argv[i], "-help") == 0) {
fputs (guile_usage, stdout);
SWIG_exit (EXIT_SUCCESS);
}
else if (strcmp (argv[i], "-prefix") == 0) {
if (argv[i + 1]) {
prefix = new char[strlen (argv[i + 1]) + 2];
strcpy (prefix, argv[i + 1]);
Swig_mark_arg (i);
Swig_mark_arg (i + 1);
i++;
} else {
Swig_arg_error();
}
}
else if (strcmp (argv[i], "-package") == 0) {
if (argv[i + 1]) {
package = new char[strlen (argv[i + 1]) + 2];
strcpy (package, argv [i + 1]);
Swig_mark_arg (i);
Swig_mark_arg (i + 1);
i++;
} else {
Swig_arg_error();
}
}
else if (strcmp (argv[i], "-Linkage") == 0
|| strcmp (argv[i], "-linkage") == 0) {
if (argv[i + 1]) {
if (0 == strcmp (argv[i + 1], "ltdlmod"))
linkage = GUILE_LSTYLE_LTDLMOD_1_4;
else if (0 == strcmp (argv[i + 1], "hobbit"))
linkage = GUILE_LSTYLE_HOBBIT;
else if (0 == strcmp (argv[i + 1], "simple"))
linkage = GUILE_LSTYLE_SIMPLE;
else if (0 == strcmp (argv[i + 1], "passive"))
linkage = GUILE_LSTYLE_PASSIVE;
else if (0 == strcmp (argv[i + 1], "module"))
linkage = GUILE_LSTYLE_MODULE;
else
Swig_arg_error ();
Swig_mark_arg (i);
Swig_mark_arg (i + 1);
i++;
} else {
Swig_arg_error();
}
}
else if (strcmp (argv[i], "-procdoc") == 0) {
if (argv[i + 1]) {
procdoc = NewFile(argv[i + 1], (char *) "w");
Swig_mark_arg (i);
Swig_mark_arg (i + 1);
i++;
} else {
Swig_arg_error();
}
}
else if (strcmp (argv[i], "-procdocformat") == 0) {
if (strcmp(argv[i+1], "guile-1.4") == 0)
docformat = GUILE_1_4;
else if (strcmp(argv[i+1], "plain") == 0)
docformat = PLAIN;
else if (strcmp(argv[i+1], "texinfo") == 0)
docformat = TEXINFO;
else Swig_arg_error();
Swig_mark_arg(i);
Swig_mark_arg(i+1);
i++;
}
else if (strcmp (argv[i], "-emit-setters") == 0
|| strcmp (argv[i], "-emitsetters") == 0) {
emit_setters = 1;
Swig_mark_arg (i);
}
else if (strcmp (argv[i], "-only-setters") == 0
|| strcmp (argv[i], "-onlysetters") == 0) {
emit_setters = 1;
only_setters = 1;
Swig_mark_arg (i);
}
else if (strcmp (argv[i], "-emit-slot-accessors") == 0
|| strcmp (argv[i], "-emitslotaccessors") == 0) {
emit_slot_accessors = 1;
Swig_mark_arg (i);
}
else if (strcmp (argv[i], "-scmstub") == 0) {
scmstub = true;
Swig_mark_arg(i);
}
else if ((strcmp(argv[i],"-shadow") == 0) || ((strcmp(argv[i],"-proxy") == 0))) {
goops = true;
Swig_mark_arg(i);
}
else if (strcmp(argv[i], "-gh") == 0) {
use_scm_interface = 0;
Swig_mark_arg(i);
}
else if (strcmp(argv[i], "-scm") == 0) {
use_scm_interface = 1;
Swig_mark_arg(i);
}
else if (strcmp(argv[i], "-primsuffix") == 0) {
if (argv[i+1]) {
primsuffix = NewString(argv[i+1]);
Swig_mark_arg (i);
Swig_mark_arg (i + 1);
i++;
} else {
Swig_arg_error();
}
}
else if (strcmp(argv[i], "-goopsprefix") == 0) {
if (argv[i+1]) {
goopsprefix = NewString(argv[i+1]);
Swig_mark_arg (i);
Swig_mark_arg (i + 1);
i++;
} else {
Swig_arg_error();
}
}
else if (strcmp(argv[i], "-useclassprefix") == 0) {
useclassprefix = 1;
Swig_mark_arg(i);
}
else if (strcmp(argv[i], "-exportprimitive") == 0) {
exportprimitive = 1;
// should use Swig_warning() here?
Swig_mark_arg(i);
}
}
}
// set default value for primsuffix
if (primsuffix == NULL)
primsuffix = NewString("primitive");
//goops support can only be enabled if passive or module linkage is used
if (goops) {
if (linkage != GUILE_LSTYLE_PASSIVE && linkage != GUILE_LSTYLE_MODULE) {
Printf(stderr, "guile: GOOPS support requires passive or module linkage\n");
exit(1);
}
}
if (goops) {
// -proxy implies -emit-setters
emit_setters = 1;
}
if ((linkage == GUILE_LSTYLE_PASSIVE && scmstub) || linkage == GUILE_LSTYLE_MODULE)
primRenamer = 1;
if (exportprimitive && primRenamer) {
// should use Swig_warning() ?
Printf(stderr,
"guile: Warning: -exportprimitive only makes sense with passive linkage without a scmstub.\n");
}
// Make sure `prefix' ends in an underscore
orig_len = strlen (prefix);
if (prefix[orig_len - 1] != '_') {
prefix[1 + orig_len] = 0;
prefix[orig_len] = '_';
}
/* Add a symbol for this module */
Preprocessor_define ("SWIGGUILE 1",0);
/* Read in default typemaps */
if (use_scm_interface)
SWIG_config_file("guile_scm.swg");
else
SWIG_config_file("guile_gh.swg");
allow_overloading();
}
/* ------------------------------------------------------------
* top()
* ------------------------------------------------------------ */
virtual int top(Node *n) {
/* Initialize all of the output files */
String *outfile = Getattr(n,"outfile");
f_runtime = NewFile(outfile,"w");
if (!f_runtime) {
Printf(stderr,"*** Can't open '%s'\n", outfile);
SWIG_exit(EXIT_FAILURE);
}
f_init = NewString("");
f_header = NewString("");
f_wrappers = NewString("");
/* Register file targets with the SWIG file handler */
Swig_register_filebyname("header",f_header);
Swig_register_filebyname("wrapper",f_wrappers);
Swig_register_filebyname("runtime",f_runtime);
Swig_register_filebyname("init",f_init);
scmtext = NewString("");
Swig_register_filebyname("scheme", scmtext);
exported_symbols = NewString("");
goopstext = NewString("");
Swig_register_filebyname("goops", goopstext);
goopscode = NewString("");
goopsexport = NewString("");
Printf(f_runtime, "/* -*- buffer-read-only: t -*- vi: set ro: */\n");
Swig_banner (f_runtime);
Printf (f_runtime, "/* Implementation : GUILE */\n\n");
if (!use_scm_interface) {
if (SwigRuntime == 1)
Printf(f_runtime, "#define SWIG_GLOBAL\n");
if (SwigRuntime == 2)
Printf(f_runtime, "#define SWIG_NOINCLUDE\n");
}
/* Write out directives and declarations */
module = Swig_copy_string(Char(Getattr(n,"name")));
if (CPlusPlus) {
Printf(f_runtime, "extern \"C\" {\n\n");
}
switch (linkage) {
case GUILE_LSTYLE_SIMPLE:
/* Simple linkage; we have to export the SWIG_init function. The user can
rename the function by a #define. */
Printf (f_runtime, "extern void\nSWIG_init (void)\n;\n");
Printf (f_init, "#define SWIG_GUILE_INIT_STATIC static\n");
break;
default:
/* Other linkage; we make the SWIG_init function static */
Printf (f_runtime, "static void\nSWIG_init (void)\n;\n");
Printf (f_init, "#define SWIG_GUILE_INIT_STATIC extern\n");
break;
}
if (CPlusPlus) {
Printf(f_runtime, "\n}\n");
}
Language::top(n);
/* Close module */
Printf(f_wrappers,"#ifdef __cplusplus\nextern \"C\" {\n#endif\n");
SwigType_emit_type_table (f_runtime, f_wrappers);
Printf (f_init, "}\n\n");
Printf (f_init, "#ifdef __cplusplus\n}\n#endif\n");
String *module_name = NewString("");
if (!module)
Printv(module_name, "swig", NIL);
else {
if (package)
Printf(module_name,"%s/%s", package, module);
else
Printv(module_name,module,NIL);
}
emit_linkage (module_name);
Delete(module_name);
if (procdoc) {
Delete(procdoc);
procdoc = NULL;
}
Delete(goopscode);
Delete(goopsexport);
Delete(goopstext);
/* Close all of the files */
Dump(f_header,f_runtime);
Dump(f_wrappers,f_runtime);
Wrapper_pretty_print(f_init,f_runtime);
Delete(f_header);
Delete(f_wrappers);
Delete(f_init);
Close(f_runtime);
Delete(f_runtime);
return SWIG_OK;
}
void emit_linkage (String *module_name) {
String *module_func = NewString("");
if (CPlusPlus) {
Printf(f_init, "extern \"C\" {\n\n");
}
Printv(module_func,module_name,NIL);
if (goops)
Replaceall(module_func,"-", "_");
switch (linkage) {
case GUILE_LSTYLE_SIMPLE:
Printf (f_init, "\n/* Linkage: simple */\n");
break;
case GUILE_LSTYLE_PASSIVE:
Printf (f_init, "\n/* Linkage: passive */\n");
Replaceall(module_func,"/", "_");
Insert(module_func,0, "scm_init_");
Append(module_func,"_module");
Printf (f_init, "SCM\n%s (void)\n{\n", module_func);
Printf (f_init, " SWIG_init();\n");
Printf (f_init, " return SCM_UNSPECIFIED;\n");
Printf (f_init, "}\n");
break;
case GUILE_LSTYLE_LTDLMOD_1_4:
Printf (f_init, "\n/* Linkage: ltdlmod */\n");
Replaceall(module_func,"/", "_");
Insert(module_func,0, "scm_init_");
Append(module_func,"_module");
Printf (f_init, "SCM\n%s (void)\n{\n", module_func);
{
String *mod = NewString(module_name);
Replaceall(mod,"/", " ");
Printf (f_init, " scm_register_module_xxx (\"%s\", (void *) SWIG_init);\n",
mod);
Printf (f_init, " return SCM_UNSPECIFIED;\n");
Delete(mod);
}
Printf (f_init, "}\n");
break;
case GUILE_LSTYLE_MODULE:
Printf (f_init, "\n/* Linkage: module */\n");
Replaceall(module_func,"/", "_");
Insert(module_func,0, "scm_init_");
Append(module_func,"_module");
Printf (f_init, "static void SWIG_init_helper(void *data)\n");
Printf (f_init, "{\n SWIG_init();\n");
if (Len(exported_symbols) > 0)
Printf (f_init, " scm_c_export(%sNULL);",
exported_symbols);
Printf (f_init, "\n}\n\n");
Printf (f_init, "SCM\n%s (void)\n{\n", module_func);
{
String *mod = NewString(module_name);
if (goops)
Printv(mod,"-",primsuffix,NIL);
Replaceall(mod,"/", " ");
Printf(f_init, " SCM module = scm_c_define_module(\"%s\",\n", mod);
Printf(f_init, " SWIG_init_helper, NULL);\n");
Printf(f_init, " return SCM_UNSPECIFIED;\n");
Delete(mod);
}
Printf (f_init, "}\n");
break;
case GUILE_LSTYLE_HOBBIT:
Printf (f_init, "\n/* Linkage: hobbit */\n");
Replaceall(module_func,"/", "_slash_");
Insert(module_func,0, "scm_init_");
Printf (f_init, "SCM\n%s (void)\n{\n", module_func);
{
String *mod = NewString(module_name);
Replaceall(mod,"/", " ");
Printf (f_init, " scm_register_module_xxx (\"%s\", (void *) SWIG_init);\n",
mod);
Printf (f_init, " return SCM_UNSPECIFIED;\n");
Delete(mod);
}
Printf (f_init, "}\n");
break;
default:
abort(); // for now
}
if (scmstub) {
/* Emit Scheme stub if requested */
String *primitive_name = NewString(module_name);
if (goops)
Printv(primitive_name,"-",primsuffix,NIL);
String *mod = NewString(primitive_name);
Replaceall(mod, "/", " ");
String *fname = NewStringf("%s%s.scm",
SWIG_output_directory(),
primitive_name);
Delete(primitive_name);
File *scmstubfile = NewFile(fname, (char *) "w");
if (!scmstubfile) {
Printf(stderr,"*** Can't open '%s' for writing\n", fname);
SWIG_exit(EXIT_FAILURE);
}
Delete(fname);
Printf (scmstubfile, ";;; -*- buffer-read-only: t -*- vi: set ro: */\n");
Printf (scmstubfile, ";;; Automatically generated by SWIG; do not edit.\n\n");
if (linkage == GUILE_LSTYLE_SIMPLE
|| linkage == GUILE_LSTYLE_PASSIVE)
Printf (scmstubfile, "(define-module (%s))\n\n", mod);
Delete(mod);
Printf (scmstubfile, "%s", scmtext);
if ((linkage == GUILE_LSTYLE_SIMPLE
|| linkage == GUILE_LSTYLE_PASSIVE)
&& Len(exported_symbols) > 0) {
String *ex = NewString(exported_symbols);
Replaceall(ex, ", ", "\n ");
Replaceall(ex, "\"", "");
Chop(ex);
Printf(scmstubfile, "\n(export %s)\n", ex);
Delete(ex);
}
}
if (goops) {
String *mod = NewString(module_name);
Replaceall(mod, "/", " ");
String *fname = NewStringf("%s%s.scm", SWIG_output_directory(),
module_name);
File *goopsfile = NewFile(fname, (char *)"w");
if (!goopsfile) {
Printf(stderr,"*** Can't open '%s' for writing\n", fname);
SWIG_exit(EXIT_FAILURE);
}
Delete(fname);
Printf (goopsfile, ";;; -*- buffer-read-only: t -*- vi: set ro: */\n");
Printf (goopsfile, ";;; Automatically generated by SWIG; do not edit.\n\n");
Printf (goopsfile, "(define-module (%s))\n", mod);
Printf (goopsfile, "%s\n", goopstext);
Printf (goopsfile, "(use-modules (oop goops) (Swig common))\n");
if (primRenamer) {
Printf (goopsfile, "(use-modules ((%s-%s) :renamer (symbol-prefix-proc 'primitive:)))\n",
mod, primsuffix);
}
Printf (goopsfile, "%s\n(export %s)", goopscode, goopsexport);
if (exportprimitive) {
String *ex = NewString(exported_symbols);
Replaceall(ex, ", ", "\n ");
Replaceall(ex, "\"", "");
Chop(ex);
Printf(goopsfile, "\n(export %s)", ex);
Delete(ex);
}
Delete(mod);
Delete(goopsfile);
}
Delete(module_func);
if (CPlusPlus) {
Printf(f_init, "\n}\n");
}
}
/* Return true iff T is a pointer type */
int is_a_pointer (SwigType *t) {
return SwigType_ispointer(SwigType_typedef_resolve_all(t));
}
/* Report an error handling the given type. */
void throw_unhandled_guile_type_error (SwigType *d) {
Swig_warning(WARN_TYPEMAP_UNDEF, input_file, line_number,
"Unable to handle type %s.\n", SwigType_str(d,0));
}
/* Write out procedure documentation */
void write_doc(const String *proc_name,
const String *signature,
const String *doc,
const String *signature2 = NULL) {
switch (docformat) {
case GUILE_1_4:
Printv(procdoc, "\f\n", NIL);
Printv(procdoc, "(", signature, ")\n", NIL);
if (signature2)
Printv(procdoc, "(", signature2, ")\n", NIL);
Printv(procdoc, doc, "\n", NIL);
break;
case PLAIN:
Printv(procdoc, "\f", proc_name, "\n\n", NIL);
Printv(procdoc, "(", signature, ")\n", NIL);
if (signature2)
Printv(procdoc, "(", signature2, ")\n", NIL);
Printv(procdoc, doc, "\n\n", NIL);
break;
case TEXINFO:
Printv(procdoc, "\f", proc_name, "\n", NIL);
Printv(procdoc, "@deffn primitive ", signature, "\n", NIL);
if (signature2)
Printv(procdoc, "@deffnx primitive ", signature2, "\n", NIL);
Printv(procdoc, doc, "\n", NIL);
Printv(procdoc, "@end deffn\n\n", NIL);
break;
}
}
/* returns false if the typemap is an empty string */
bool handle_documentation_typemap(String *output,
const String *maybe_delimiter,
Parm *p,
const String *typemap,
const String *default_doc,
const String *name = NULL)
{
String *tmp = NewString("");
String *tm;
if (!(tm = Getattr(p, typemap))) {
Printf(tmp, "%s", default_doc);
tm = tmp;
}
bool result = (Len(tm) > 0);
if (maybe_delimiter && Len(output) > 0 && Len(tm) > 0) {
Printv(output, maybe_delimiter, NIL);
}
const String *pn = (name == NULL) ? Getattr(p,"name") : name;
String *pt = Getattr(p,"type");
Replaceall(tm, "$name", pn); // legacy for $parmname
Replaceall(tm, "$type", SwigType_str(pt,0));
/* $NAME is like $name, but marked-up as a variable. */
String *ARGNAME = NewString("");
if (docformat == TEXINFO)
Printf(ARGNAME, "@var{%s}", pn);
else Printf(ARGNAME, "%(upper)s", pn);
Replaceall(tm, "$NAME", ARGNAME);
Replaceall(tm, "$PARMNAME", ARGNAME);
Printv(output,tm,NIL);
Delete(tmp);
return result;
}
/* ------------------------------------------------------------
* functionWrapper()
* Create a function declaration and register it with the interpreter.
* ------------------------------------------------------------ */
virtual int functionWrapper(Node *n) {
String *iname = Getattr(n,"sym:name");
SwigType *d = Getattr(n,"type");
ParmList *l = Getattr(n,"parms");
Parm *p;
String *proc_name = 0;
char source[256], target[256];
Wrapper *f = NewWrapper();;
String *cleanup = NewString("");
String *outarg = NewString("");
String *signature = NewString("");
String *doc_body = NewString("");
String *returns = NewString("");
String *method_signature = NewString("");
String *primitive_args = NewString("");
Hash *scheme_arg_names = NewHash();
int num_results = 1;
String *tmp = NewString("");
String *tm;
int i;
int numargs = 0;
int numreq = 0;
String *overname = 0;
int args_passed_as_array = 0;
int scheme_argnum = 0;
bool any_specialized_arg = false;
// Make a wrapper name for this
String *wname = Swig_name_wrapper(iname);
if (Getattr(n,"sym:overloaded")) {
overname = Getattr(n,"sym:overname");
args_passed_as_array = 1;
} else {
if (!addSymbol(iname,n)) return SWIG_ERROR;
}
if (overname) {
Append(wname, overname);
}
Setattr(n,"wrap:name",wname);
// Build the name for scheme.
proc_name = NewString(iname);
Replaceall(proc_name,"_", "-");
/* Emit locals etc. into f->code; figure out which args to ignore */
emit_args (d, l, f);
/* Attach the standard typemaps */
emit_attach_parmmaps(l,f);
Setattr(n,"wrap:parms",l);
/* Get number of required and total arguments */
numargs = emit_num_arguments(l);
numreq = emit_num_required(l);
/* Declare return variable */
Wrapper_add_local (f,"gswig_result", "SCM gswig_result");
Wrapper_add_local (f,"gswig_list_p", "int gswig_list_p = 0");
/* Get the output typemap so we can start generating documentation. Don't
worry, the returned string is saved as 'tmap:out' */
Swig_typemap_lookup_new("out",n,"result",0);
if ((tm = Getattr(n,"tmap:out:doc"))) {
Printv(returns,tm,NIL);
if (Len(tm) > 0) num_results = 1;
else num_results = 0;
} else {
String *s = SwigType_str(d,0);
Chop(s);
Printf(returns,"<%s>",s);
Delete(s);
num_results = 1;
}
/* Open prototype and signature */
Printv(f->def, "static SCM\n", wname," (", NIL);
if (args_passed_as_array) {
Printv(f->def, "int argc, SCM *argv", NIL);
}
Printv(signature, proc_name, NIL);
/* Now write code to extract the parameters */
for (i = 0, p = l; i < numargs; i++) {
while (checkAttribute(p,"tmap:in:numinputs","0")) {
p = Getattr(p,"tmap:in:next");
}
SwigType *pt = Getattr(p,"type");
String *ln = Getattr(p,"lname");
int opt_p = (i >= numreq);
// Produce names of source and target
if (args_passed_as_array)
sprintf(source, "argv[%d]", i);
else
sprintf(source,"s_%d",i);
sprintf(target,"%s", Char(ln));
if (!args_passed_as_array) {
if (i!=0) Printf(f->def,", ");
Printf(f->def,"SCM s_%d", i);
}
if (opt_p) {
Printf(f->code," if (%s != SCM_UNDEFINED) {\n", source);
}
if ((tm = Getattr(p,"tmap:in"))) {
Replaceall(tm,"$source",source);
Replaceall(tm,"$target",target);
Replaceall(tm,"$input",source);
Setattr(p,"emit:input", source);
Printv(f->code,tm,"\n",NIL);
SwigType *pb = SwigType_typedef_resolve_all(SwigType_base(pt));
SwigType *pn = Getattr(p,"name");
String *argname;
scheme_argnum++;
if (pn && !Getattr(scheme_arg_names, pn))
argname = pn;
else {
/* Anonymous arg or re-used argument name -- choose a name that cannot clash */
argname = NewStringf("%%arg%d", scheme_argnum);
}
if (procdoc) {
if (i == numreq) {
/* First optional argument */
Printf(signature, " #:optional");
}
/* Add to signature (arglist) */
handle_documentation_typemap(signature, " ", p, "tmap:in:arglist",
"$name", argname);
/* Document the type of the arg in the documentation body */
handle_documentation_typemap(doc_body, ", ", p, "tmap:in:doc",
"$NAME is of type <$type>", argname);
}
if (goops) {
if (i < numreq) {
if (strcmp("void", Char(pt)) != 0) {
Node *class_node = Swig_symbol_clookup(pb, Getattr(n, "sym:symtab"));
String *goopsclassname = (class_node == NULL) ? NULL :
Getattr(class_node, "guile:goopsclassname");
/* do input conversion */
if (goopsclassname) {
Printv(method_signature, " (", argname, " ", goopsclassname, ")", NIL);
any_specialized_arg = true;
} else {
Printv(method_signature, " ", argname, NIL);
}
Printv(primitive_args, " ", argname, NIL);
Setattr(scheme_arg_names, argname, p);
}
}
}
if (!pn) {
Delete(argname);
}
p = Getattr(p,"tmap:in:next");
} else {
throw_unhandled_guile_type_error (pt);
p = nextSibling(p);
}
if (opt_p)
Printf(f->code," }\n");
}
if (Len(doc_body) > 0)
Printf(doc_body, ".\n");
/* Insert constraint checking code */
for (p = l; p;) {
if ((tm = Getattr(p,"tmap:check"))) {
Replaceall(tm,"$target",Getattr(p,"lname"));
Printv(f->code,tm,"\n",NIL);
p = Getattr(p,"tmap:check:next");
} else {
p = nextSibling(p);
}
}
/* Pass output arguments back to the caller. */
/* Insert argument output code */
for (p = l; p;) {
if ((tm = Getattr(p,"tmap:argout"))) {
Replaceall(tm,"$source",Getattr(p,"lname"));
Replaceall(tm,"$target",Getattr(p,"lname"));
Replaceall(tm,"$arg",Getattr(p,"emit:input"));
Replaceall(tm,"$input",Getattr(p,"emit:input"));
Printv(outarg,tm,"\n",NIL);
if (procdoc) {
if (handle_documentation_typemap(returns, ", ",
p, "tmap:argout:doc",
"$NAME (of type $type)")) {
/* A documentation typemap that is not the empty string
indicates that a value is returned to Scheme. */
num_results++;
}
}
p = Getattr(p,"tmap:argout:next");
} else {
p = nextSibling(p);
}
}
/* Insert cleanup code */
for (p = l; p;) {
if ((tm = Getattr(p,"tmap:freearg"))) {
Replaceall(tm,"$target",Getattr(p,"lname"));
Replaceall(tm,"$input",Getattr(p,"emit:input"));
Printv(cleanup,tm,"\n",NIL);
p = Getattr(p,"tmap:freearg:next");
} else {
p = nextSibling(p);
}
}
if (use_scm_interface && exporting_destructor) {
/* Mark the destructor's argument as destroyed. */
String *tm = NewString("SWIG_Guile_MarkPointerDestroyed($input);");
Replaceall(tm,"$input",Getattr(l,"emit:input"));
Printv(cleanup, tm, "\n", NIL);
Delete(tm);
}
/* Close prototype */
Printf(f->def, ")\n{\n");
/* Define the scheme name in C. This define is used by several Guile
macros. */
Printv(f->def, "#define FUNC_NAME \"", proc_name, "\"", NIL);
// Now write code to make the function call
if (!use_scm_interface)
Printv(f->code, tab4, "gh_defer_ints();\n", NIL);
emit_action(n,f);
if (!use_scm_interface)
Printv(f->code, tab4, "gh_allow_ints();\n", NIL);
// Now have return value, figure out what to do with it.
if ((tm = Getattr(n,"tmap:out"))) {
Replaceall(tm,"$result","gswig_result");
Replaceall(tm,"$target","gswig_result");
Replaceall(tm,"$source","result");
if (Getattr(n, "feature:new"))
Replaceall(tm, "$owner", "1");
else
Replaceall(tm, "$owner", "0");
Printv(f->code,tm,"\n",NIL);
}
else {
throw_unhandled_guile_type_error (d);
}
// Dump the argument output code
Printv(f->code,outarg,NIL);
// Dump the argument cleanup code
Printv(f->code,cleanup,NIL);
// Look for any remaining cleanup
if (Getattr(n,"feature:new")) {
if ((tm = Swig_typemap_lookup_new("newfree",n,"result",0))) {
Replaceall(tm,"$source","result");
Printv(f->code,tm,"\n",NIL);
}
}
// Free any memory allocated by the function being wrapped..
if ((tm = Swig_typemap_lookup_new("ret",n,"result",0))) {
Replaceall(tm,"$source","result");
Printv(f->code,tm,"\n",NIL);
}
// Wrap things up (in a manner of speaking)
if (beforereturn)
Printv(f->code, beforereturn, "\n", NIL);
Printv(f->code, "return gswig_result;\n", NIL);
// Undefine the scheme name
Printf(f->code, "#undef FUNC_NAME\n");
Printf(f->code, "}\n");
Wrapper_print (f, f_wrappers);
if (!Getattr(n, "sym:overloaded")) {
if (numargs > 10) {
int i;
/* gh_new_procedure would complain: too many args */
/* Build a wrapper wrapper */
Printv(f_wrappers, "static SCM\n", wname,"_rest (SCM rest)\n", NIL);
Printv(f_wrappers, "{\n", NIL);
Printf(f_wrappers, "SCM arg[%d];\n", numargs);
Printf(f_wrappers, "SWIG_Guile_GetArgs (arg, rest, %d, %d, \"%s\");\n",
numreq, numargs-numreq, proc_name);
Printv(f_wrappers, "return ", wname, "(", NIL);
Printv(f_wrappers, "arg[0]", NIL);
for (i = 1; i<numargs; i++)
Printf(f_wrappers, ", arg[%d]", i);
Printv(f_wrappers, ");\n", NIL);
Printv(f_wrappers, "}\n", NIL);
/* Register it */
if (use_scm_interface) {
Printf(f_init, "scm_c_define_gsubr(\"%s\", 0, 0, 1, (swig_guile_proc) %s_rest);\n",
proc_name, wname);
} else {
Printf (f_init, "gh_new_procedure(\"%s\", (swig_guile_proc) %s_rest, 0, 0, 1);\n",
proc_name, wname, numreq, numargs-numreq);
}
}
else if (emit_setters && struct_member && strlen(Char(proc_name))>3) {
int len = Len(proc_name);
const char *pc = Char(proc_name);
/* MEMBER-set and MEMBER-get functions. */
int is_setter = (pc[len - 3] == 's');
if (is_setter) {
Printf(f_init, "SCM setter = ");
struct_member = 2; /* have a setter */
}
else Printf(f_init, "SCM getter = ");
if (use_scm_interface) {
/* GOOPS support uses the MEMBER-set and MEMBER-get functions,
so ignore only_setters in this case. */
if (only_setters && !goops)
Printf(f_init, "scm_c_make_gsubr(\"%s\", %d, %d, 0, (swig_guile_proc) %s);\n",
proc_name, numreq, numargs-numreq, wname);
else
Printf(f_init, "scm_c_define_gsubr(\"%s\", %d, %d, 0, (swig_guile_proc) %s);\n",
proc_name, numreq, numargs-numreq, wname);
} else {
if (only_setters && !goops)
Printf(f_init, "scm_make_gsubr(\"%s\", %d, %d, 0, (swig_guile_proc) %s);\n",
proc_name, numreq, numargs-numreq, wname);
else
Printf (f_init, "gh_new_procedure(\"%s\", (swig_guile_proc) %s, %d, %d, 0);\n",
proc_name, wname, numreq, numargs-numreq);
}
if (!is_setter) {
/* Strip off "-get" */
char *pws_name = (char*) malloc(sizeof(char) * (len - 3));
strncpy(pws_name, pc, len - 3);
pws_name[len - 4] = 0;
if (struct_member==2) {
/* There was a setter, so create a procedure with setter */
if (use_scm_interface) {
Printf(f_init, "scm_c_define");
} else {
Printf(f_init, "gh_define");
}
Printf (f_init, "(\"%s\", "
"scm_make_procedure_with_setter(getter, setter));\n",
pws_name);
}
else {
/* There was no setter, so make an alias to the getter */
if (use_scm_interface) {
Printf(f_init, "scm_c_define");
} else {
Printf(f_init, "gh_define");
}
Printf (f_init, "(\"%s\", getter);\n",
pws_name);
}
Printf (exported_symbols, "\"%s\", ", pws_name);
free(pws_name);
}
}
else {
/* Register the function */
if (use_scm_interface) {
if (exporting_destructor) {
Printf(f_init,
"((swig_guile_clientdata *)(SWIGTYPE%s->clientdata))->destroy = (guile_destructor) %s;\n",
swigtype_ptr, wname);
//Printf(f_init, "SWIG_TypeClientData(SWIGTYPE%s, (void *) %s);\n", swigtype_ptr, wname);
}
Printf(f_init, "scm_c_define_gsubr(\"%s\", %d, %d, 0, (swig_guile_proc) %s);\n",
proc_name, numreq, numargs-numreq, wname);
} else {
Printf (f_init, "gh_new_procedure(\"%s\", (swig_guile_proc) %s, %d, %d, 0);\n",
proc_name, wname, numreq, numargs-numreq);
}
}
}
else { /* overloaded function; don't export the single methods */
if (!Getattr(n,"sym:nextSibling")) {
/* Emit overloading dispatch function */
int maxargs;
String *dispatch = Swig_overload_dispatch(n,"return %s(argc,argv);",&maxargs);
/* Generate a dispatch wrapper for all overloaded functions */
Wrapper *df = NewWrapper();
String *dname = Swig_name_wrapper(iname);
Printv(df->def,
"static SCM\n", dname,
"(SCM rest)\n{\n",
NIL);
Printf(df->code, "#define FUNC_NAME \"%s\"\n", proc_name);
Printf(df->code, "SCM argv[%d];\n", maxargs);
Printf(df->code, "int argc = SWIG_Guile_GetArgs (argv, rest, %d, %d, \"%s\");\n",
0, maxargs, proc_name);
Printv(df->code,dispatch,"\n",NIL);
Printf(df->code,"scm_misc_error(\"%s\", \"No matching method for generic function `%s'\", SCM_EOL);\n", proc_name, iname);
Printf(df->code, "#undef FUNC_NAME\n");
Printv(df->code,"}\n",NIL);
Wrapper_print(df,f_wrappers);
if (use_scm_interface) {
Printf(f_init, "scm_c_define_gsubr(\"%s\", 0, 0, 1, (swig_guile_proc) %s);\n",
proc_name, dname);
} else {
Printf(f_init, "gh_new_procedure(\"%s\", (swig_guile_proc) %s, 0, 0, 1);\n",
proc_name, dname);
}
DelWrapper(df);
Delete(dispatch);
Delete(dname);
}
}
Printf (exported_symbols, "\"%s\", ", proc_name);
if (!in_class || memberfunction_name) {
// export wrapper into goops file
String *method_def = NewString("");
String *goops_name;
if (in_class)
goops_name = NewString(memberfunction_name);
else
goops_name = goopsNameMapping(proc_name, (char *)"");
String *primitive_name = NewString("");
if (primRenamer)
Printv(primitive_name, "primitive:", proc_name, NIL);
else
Printv(primitive_name, proc_name, NIL);
Replaceall(method_signature, "_", "-");
Replaceall(primitive_args, "_", "-");
if (!any_specialized_arg) {
/* If there would not be any specialized argument in
the method declaration, we simply re-export the
function. This is a performance optimization. */
Printv(method_def, "(define ", goops_name, " ",
primitive_name, ")\n", NIL);
}
else if (numreq == numargs) {
Printv(method_def, "(define-method (", goops_name, method_signature, ")\n", NIL);
Printv(method_def, " (", primitive_name, primitive_args, "))\n", NIL);
}
else {
/* Handle optional args. For the rest argument, use a name
that cannot clash.*/
Printv(method_def, "(define-method (", goops_name, method_signature, " . %args)\n", NIL);
Printv(method_def, " (apply ", primitive_name, primitive_args, " %args))\n", NIL);
}
if (in_class) {
/* Defer method definition till end of class definition. */
Printv(goops_class_methods, method_def, NIL);
}
else {
Printv(goopscode, method_def, NIL);
}
Printf(goopsexport, "%s ", goops_name);
Delete(primitive_name);
Delete(goops_name);
Delete(method_def);
}
if (procdoc) {
String *returns_text = NewString("");
if (num_results == 0) Printv(returns_text, return_nothing_doc, NIL);
else if (num_results == 1) Printv(returns_text, return_one_doc, NIL);
else Printv(returns_text, return_multi_doc, NIL);
/* Substitute documentation variables */
static const char *numbers[] = {"zero", "one", "two", "three",
"four", "five", "six", "seven",
"eight", "nine", "ten", "eleven",
"twelve"};
if (num_results <= 12)
Replaceall(returns_text, "$num_values", numbers[num_results]);
else {
String *num_results_str = NewStringf("%d", num_results);
Replaceall(returns_text, "$num_values", num_results_str);
Delete(num_results_str);
}
Replaceall(returns_text, "$values", returns);
Printf(doc_body, "\n%s", returns_text);
write_doc(proc_name, signature, doc_body);
Delete(returns_text);
}
Delete(proc_name);
Delete(outarg);
Delete(cleanup);
Delete(signature);
Delete(method_signature);
Delete(primitive_args);
Delete(doc_body);
Delete(returns);
Delete(tmp);
Delete(scheme_arg_names);
DelWrapper(f);
return SWIG_OK;
}
/* ------------------------------------------------------------
* variableWrapper()
*
* Create a link to a C variable.
* This creates a single function PREFIX_var_VARNAME().
* This function takes a single optional argument. If supplied, it means
* we are setting this variable to some value. If omitted, it means we are
* simply evaluating this variable. Either way, we return the variables
* value.
* ------------------------------------------------------------ */
virtual int variableWrapper(Node *n) {
char *name = GetChar(n,"name");
char *iname = GetChar(n,"sym:name");
SwigType *t = Getattr(n,"type");
String *proc_name;
char var_name[256];
Wrapper *f;
String *tm;
if (!addSymbol(iname,n)) return SWIG_ERROR;
f = NewWrapper();
// evaluation function names
strcpy(var_name, Char(Swig_name_wrapper(iname)));
// Build the name for scheme.
proc_name = NewString(iname);
Replaceall(proc_name,"_", "-");
if (1 || (SwigType_type(t) != T_USER) || (is_a_pointer(t))) {
Printf (f->def, "static SCM\n%s(SCM s_0)\n{\n", var_name);
/* Define the scheme name in C. This define is used by several Guile
macros. */
Printv(f->def, "#define FUNC_NAME \"", proc_name, "\"", NIL);
Wrapper_add_local (f, "gswig_result", "SCM gswig_result");
if (!Getattr(n,"feature:immutable")) {
/* Check for a setting of the variable value */
Printf (f->code, "if (s_0 != SCM_UNDEFINED) {\n");
if ((tm = Swig_typemap_lookup_new("varin",n,name,0))) {
Replaceall(tm,"$source","s_0");
Replaceall(tm,"$input","s_0");
Replaceall(tm,"$target",name);
Printv(f->code,tm,"\n",NIL);
}
else {
throw_unhandled_guile_type_error (t);
}
Printf (f->code, "}\n");
}
// Now return the value of the variable (regardless
// of evaluating or setting)
if ((tm = Swig_typemap_lookup_new("varout",n,name,0))) {
Replaceall(tm,"$source",name);
Replaceall(tm,"$target","gswig_result");
Replaceall(tm,"$result", "gswig_result");
Printv(f->code,tm,"\n",NIL);
}
else {
throw_unhandled_guile_type_error (t);
}
Printf (f->code, "\nreturn gswig_result;\n");
Printf (f->code, "#undef FUNC_NAME\n");
Printf (f->code, "}\n");
Wrapper_print (f, f_wrappers);
// Now add symbol to the Guile interpreter
if (!emit_setters
|| Getattr(n,"feature:immutable")) {
/* Read-only variables become a simple procedure returning the
value; read-write variables become a simple procedure with
an optional argument. */
if (use_scm_interface) {
Printf(f_init, "scm_c_define_gsubr(\"%s\", 0, %d, 0, (swig_guile_proc) %s);\n",
proc_name, Getattr(n, "feature:immutable") ? 0 : 1, var_name);
} else {
Printf (f_init, "\t gh_new_procedure(\"%s\", (swig_guile_proc) %s, 0, %d, 0);\n",
proc_name, var_name, Getattr(n,"feature:immutable") ? 0 : 1);
}
}
else {
/* Read/write variables become a procedure with setter. */
if (use_scm_interface) {
Printf(f_init, "{ SCM p = scm_c_define_gsubr(\"%s\", 0, 1, 0, (swig_guile_proc) %s);\n",
proc_name, var_name);
Printf(f_init, "scm_c_define");
} else {
Printf (f_init, "\t{ SCM p = gh_new_procedure(\"%s\", (swig_guile_proc) %s, 0, 1, 0);\n",
proc_name, var_name);
Printf(f_init, "gh_define");
}
Printf (f_init, "(\"%s\", "
"scm_make_procedure_with_setter(p, p)); }\n",
proc_name);
}
Printf (exported_symbols, "\"%s\", ", proc_name);
// export wrapper into goops file
if (!in_class) { // only if the variable is not part of a class
String *class_name = SwigType_typedef_resolve_all(SwigType_base(t));
String *goops_name = goopsNameMapping(proc_name, (char*)"");
String *primitive_name = NewString("");
if (primRenamer)
Printv(primitive_name, "primitive:", NIL);
Printv(primitive_name, proc_name, NIL);
/* Simply re-export the procedure */
Printv(goopscode, "(define ", goops_name, " ", primitive_name, ")\n", NIL);
Printf(goopsexport, "%s ", goops_name);
Delete(primitive_name);
Delete(class_name);
Delete(goops_name);
}
if (procdoc) {
/* Compute documentation */
String *signature = NewString("");
String *signature2 = NULL;
String *doc = NewString("");
if (Getattr(n,"feature:immutable")) {
Printv(signature, proc_name, NIL);
Printv(doc, "Returns constant ", NIL);
if ((tm = Getattr(n,"tmap:varout:doc"))) {
Printv(doc,tm,NIL);
} else {
String *s = SwigType_str(t,0);
Chop(s);
Printf(doc,"<%s>",s);
Delete(s);
}
}
else if (emit_setters) {
Printv(signature, proc_name, NIL);
signature2 = NewString("");
Printv(signature2, "set! (", proc_name, ") ", NIL);
handle_documentation_typemap(signature2, NIL, n, "tmap:varin:arglist",
"new-value");
Printv(doc, "Get or set the value of the C variable, \n", NIL);
Printv(doc, "which is of type ", NIL);
handle_documentation_typemap(doc, NIL, n, "tmap:varout:doc",
"$1_type");
Printv(doc, ".");
}
else {
Printv(signature, proc_name,
" #:optional ", NIL);
if ((tm = Getattr(n,"tmap:varin:doc"))) {
Printv(signature,tm,NIL);
} else {
String *s = SwigType_str(t,0);
Chop(s);
Printf(signature,"new-value <%s>",s);
Delete(s);
}
Printv(doc, "If NEW-VALUE is provided, "
"set C variable to this value.\n", NIL);
Printv(doc, "Returns variable value ", NIL);
if ((tm = Getattr(n,"tmap:varout:doc"))) {
Printv(doc,tm,NIL);
} else {
String *s = SwigType_str(t,0);
Chop(s);
Printf(doc,"<%s>",s);
Delete(s);
}
}
write_doc(proc_name, signature, doc, signature2);
Delete(signature);
if (signature2) Delete(signature2);
Delete(doc);
}
} else {
Swig_warning(WARN_TYPEMAP_VAR_UNDEF, input_file, line_number,
"Unsupported variable type %s (ignored).\n", SwigType_str(t,0));
}
Delete(proc_name);
DelWrapper(f);
return SWIG_OK;
}
/* ------------------------------------------------------------
* constantWrapper()
*
* We create a read-only variable.
* ------------------------------------------------------------ */
virtual int constantWrapper(Node *n) {
char *name = GetChar(n,"name");
char *iname = GetChar(n,"sym:name");
SwigType *type = Getattr(n,"type");
String *value = Getattr(n,"value");
String *proc_name;
char var_name[256];
String *rvalue;
Wrapper *f;
SwigType *nctype;
String *tm;
f = NewWrapper();
// Make a static variable;
sprintf (var_name, "%sconst_%s", prefix, iname);
// Strip const qualifier from type if present
nctype = NewString(type);
if (SwigType_isconst(nctype)) {
Delete(SwigType_pop(nctype));
}
// Build the name for scheme.
proc_name = NewString(iname);
Replaceall(proc_name,"_", "-");
if ((SwigType_type(nctype) == T_USER) && (!is_a_pointer(nctype))) {
Swig_warning(WARN_TYPEMAP_CONST_UNDEF, input_file, line_number,
"Unsupported constant value.\n");
return SWIG_NOWRAP;
}
// See if there's a typemap
if (SwigType_type(nctype) == T_STRING) {
rvalue = NewStringf("\"%s\"", value);
} else if (SwigType_type(nctype) == T_CHAR) {
rvalue = NewStringf("\'%s\'", value);
} else {
rvalue = NewString(value);
}
if ((tm = Swig_typemap_lookup_new("constant",n,name,0))) {
Replaceall(tm,"$source",rvalue);
Replaceall(tm,"$value",rvalue);
Replaceall(tm,"$target",name);
Printv(f_header,tm,"\n",NIL);
} else {
// Create variable and assign it a value
Printf (f_header, "static %s = %s;\n", SwigType_lstr(nctype,var_name),
rvalue);
}
{
/* Hack alert: will cleanup later -- Dave */
Node *n = NewHash();
Setattr(n,"name",var_name);
Setattr(n,"sym:name",iname);
Setattr(n,"type", nctype);
Setattr(n,"feature:immutable", "1");
variableWrapper(n);
Delete(n);
}
Delete(nctype);
Delete(proc_name);
Delete(rvalue);
DelWrapper(f);
return SWIG_OK;
}
/* ------------------------------------------------------------
* classDeclaration()
* ------------------------------------------------------------ */
virtual int classDeclaration(Node *n) {
String *class_name = NewStringf("<%s>", Getattr(n, "sym:name"));
Setattr(n, "guile:goopsclassname", class_name);
return Language::classDeclaration(n);
}
/* ------------------------------------------------------------
* classHandler()
* ------------------------------------------------------------ */
virtual int classHandler(Node *n) {
/* Create new strings for building up a wrapper function */
have_constructor = 0;
class_name = NewString("");
short_class_name = NewString("");
Printv(class_name, "<", Getattr(n,"sym:name"), ">", NIL);
Printv(short_class_name, Getattr(n,"sym:name"), NIL);
Replaceall(class_name, "_", "-");
Replaceall(short_class_name, "_", "-");
if (!addSymbol(class_name,n)) return SWIG_ERROR;
/* Handle inheritance */
String *base_class = NewString("<");
List *baselist = Getattr(n,"bases");
if (baselist && Len(baselist)) {
Iterator i = First(baselist);
while (i.item) {
Printv(base_class,Getattr(i.item, "sym:name"),NIL);
i = Next(i);
if (i.item) {
Printf(base_class, "> <");
}
}
}
Printf(base_class, ">");
Replaceall(base_class, "_", "-");
Printv(goopscode,"(define-class ", class_name, " ", NIL);
Printf(goopsexport, "%s ", class_name);
if (Len(base_class) > 2) {
Printv(goopscode,"(", base_class, ")\n", NIL);
} else {
Printv(goopscode,"(<swig>)\n", NIL);
}
SwigType *ct = NewStringf("p.%s", Getattr(n, "name"));
swigtype_ptr = SwigType_manglestr(ct);
String *mangled_classname = Swig_name_mangle(Getattr(n, "sym:name"));
/* Export clientdata structure */
if (use_scm_interface) {
Printf(f_runtime, "static swig_guile_clientdata _swig_guile_clientdata%s = { NULL, SCM_EOL };\n",
mangled_classname);
Printv(f_init, "SWIG_TypeClientData(SWIGTYPE", swigtype_ptr,
", (void *) &_swig_guile_clientdata", mangled_classname, ");\n", NIL);
SwigType_remember(ct);
}
Delete(ct);
/* Emit all of the members */
goops_class_methods = NewString("");
in_class = 1;
Language::classHandler(n);
in_class = 0;
Printv(goopscode," #:metaclass <swig-metaclass>\n",NIL);
if (have_constructor)
Printv(goopscode," #:new-function ", primRenamer ? "primitive:" : "",
"new-", short_class_name, "\n", NIL);
Printf(goopscode,")\n%s\n", goops_class_methods);
Delete(goops_class_methods);
goops_class_methods = 0;
/* export class initialization function */
if (goops) {
/* export the wrapper function */
String *funcName = NewString(mangled_classname);
Printf(funcName, "_swig_guile_setgoopsclass");
String *guileFuncName = NewString(funcName);
Replaceall(guileFuncName, "_", "-");
Printv(f_wrappers, "static SCM ", funcName, "(SCM cl) \n", NIL);
Printf(f_wrappers, "#define FUNC_NAME %s\n{\n", guileFuncName);
Printv(f_wrappers, " ((swig_guile_clientdata *)(SWIGTYPE", swigtype_ptr,
"->clientdata))->goops_class = cl;\n", NIL);
Printf(f_wrappers, " return SCM_UNSPECIFIED;\n");
Printf(f_wrappers, "}\n#undef FUNC_NAME\n\n");
Printf(f_init, "scm_c_define_gsubr(\"%s\", 1, 0, 0, (swig_guile_proc) %s);\n",
guileFuncName, funcName);
Printf(exported_symbols, "\"%s\", ", guileFuncName);
/* export the call to the wrapper function */
Printf(goopscode, "(%s%s %s)\n\n", primRenamer ? "primitive:" : "", guileFuncName, class_name);
Delete(guileFuncName);
Delete(funcName);
}
Delete(mangled_classname);
Delete(swigtype_ptr);
swigtype_ptr = 0;
Delete(class_name);
Delete(short_class_name);
class_name = 0;
short_class_name = 0;
return SWIG_OK;
}
/* ------------------------------------------------------------
* memberfunctionHandler()
* ------------------------------------------------------------ */
int memberfunctionHandler(Node *n) {
String *iname = Getattr(n,"sym:name");
String *proc = NewString(iname);
Replaceall(proc,"_", "-");
memberfunction_name = goopsNameMapping(proc, short_class_name);
Language::memberfunctionHandler(n);
Delete(memberfunction_name);
memberfunction_name = NULL;
Delete(proc);
return SWIG_OK;
}
/* ------------------------------------------------------------
* membervariableHandler()
* ------------------------------------------------------------ */
int membervariableHandler(Node *n)
{
String *iname = Getattr(n,"sym:name");
if (emit_setters) {
struct_member = 1;
Printf(f_init, "{\n");
}
Language::membervariableHandler(n);
if (emit_setters) {
Printf(f_init, "}\n");
struct_member = 0;
}
String *proc = NewString(iname);
Replaceall(proc,"_", "-");
String *goops_name = goopsNameMapping(proc, short_class_name);
/* The slot name is never qualified with the class,
even if useclassprefix is true. */
Printv(goopscode, " (", proc, " #:allocation #:virtual", NIL);
/* GOOPS (at least in Guile 1.6.3) only accepts closures, not
primitive procedures for slot-ref and slot-set. */
Printv(goopscode, "\n #:slot-ref (lambda (obj) (",
primRenamer ? "primitive:" : "",
short_class_name, "-", proc, "-get", " obj))", NIL);
if (!Getattr(n,"feature:immutable")) {
Printv(goopscode, "\n #:slot-set! (lambda (obj value) (",
primRenamer ? "primitive:" : "",
short_class_name, "-", proc, "-set", " obj value))", NIL);
} else {
Printf(goopscode, "\n #:slot-set! (lambda (obj value) (error \"Immutable slot\"))");
}
if (emit_slot_accessors) {
if (Getattr(n, "feature:immutable")) {
Printv(goopscode, "\n #:getter ", goops_name, NIL);
} else {
Printv(goopscode, "\n #:accessor ", goops_name, NIL);
}
Printf(goopsexport, "%s ", goops_name);
}
Printv(goopscode, ")\n", NIL);
Delete(proc);
Delete(goops_name);
return SWIG_OK;
}
/* ------------------------------------------------------------
* constructorHandler()
* ------------------------------------------------------------ */
int constructorHandler(Node *n) {
Language::constructorHandler(n);
have_constructor = 1;
return SWIG_OK;
}
/* ------------------------------------------------------------
* destructorHandler()
* ------------------------------------------------------------ */
virtual int destructorHandler(Node *n) {
exporting_destructor = true;
Language::destructorHandler(n);
exporting_destructor = false;
return SWIG_OK;
}
/* ------------------------------------------------------------
* pragmaDirective()
* ------------------------------------------------------------ */
virtual int pragmaDirective(Node *n)
{
if (!ImportMode) {
String *lang = Getattr(n,"lang");
String *cmd = Getattr(n,"name");
String *value = Getattr(n,"value");
# define store_pragma(PRAGMANAME) \
if (Strcmp(cmd, #PRAGMANAME) == 0) { \
if (PRAGMANAME) Delete(PRAGMANAME); \
PRAGMANAME = value ? NewString(value) : NULL; \
}
if (Strcmp(lang,"guile") == 0) {
store_pragma(beforereturn)
store_pragma(return_nothing_doc)
store_pragma(return_one_doc)
store_pragma(return_multi_doc);
# undef store_pragma
}
}
return Language::pragmaDirective(n);
}
/* ------------------------------------------------------------
* goopsNameMapping()
* Maps the identifier from C++ to the GOOPS based * on command
* line paramaters and such.
* If class_name = "" that means the mapping is for a function or
* variable not attached to any class.
* ------------------------------------------------------------ */
String *goopsNameMapping(String *name, String_or_char *class_name) {
String *n = NewString("");
if (Strcmp(class_name, "") == 0) {
// not part of a class, so no class name to prefix
if (goopsprefix) {
Printf(n, "%s%s", goopsprefix, name);
} else {
Printf(n, "%s", name);
}
} else {
if (useclassprefix) {
Printf(n, "%s-%s", class_name, name);
} else {
if (goopsprefix) {
Printf(n, "%s%s", goopsprefix, name);
} else {
Printf(n, "%s", name);
}
}
}
return n;
}
/* ------------------------------------------------------------
* validIdentifier()
* ------------------------------------------------------------ */
virtual int validIdentifier(String *s) {
char *c = Char(s);
/* Check whether we have an R5RS identifier. Guile supports a
superset of R5RS identifiers, but it's probably a bad idea to use
those. */
/* <identifier> --> <initial> <subsequent>* | <peculiar identifier> */
/* <initial> --> <letter> | <special initial> */
if (!(isalpha(*c) || (*c == '!') || (*c == '$') || (*c == '%')
|| (*c == '&') || (*c == '*') || (*c == '/') || (*c == ':')
|| (*c == '<') || (*c == '=') || (*c == '>') || (*c == '?')
|| (*c == '^') || (*c == '_') || (*c == '~'))) {
/* <peculiar identifier> --> + | - | ... */
if ((strcmp(c, "+") == 0)
|| strcmp(c, "-") == 0
|| strcmp(c, "...") == 0) return 1;
else return 0;
}
/* <subsequent> --> <initial> | <digit> | <special subsequent> */
while (*c) {
if (!(isalnum(*c) || (*c == '!') || (*c == '$') || (*c == '%')
|| (*c == '&') || (*c == '*') || (*c == '/') || (*c == ':')
|| (*c == '<') || (*c == '=') || (*c == '>') || (*c == '?')
|| (*c == '^') || (*c == '_') || (*c == '~') || (*c == '+')
|| (*c == '-') || (*c == '.') || (*c == '@'))) return 0;
c++;
}
return 1;
}
};
/* -----------------------------------------------------------------------------
* swig_guile() - Instantiate module
* ----------------------------------------------------------------------------- */
static Language * new_swig_guile() {
return new GUILE();
}
extern "C" Language * swig_guile(void) {
return new_swig_guile();
}