ccca3c012e
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7325 626c5289-ae23-0410-ae9c-e8d60b6d4f22
318 lines
7.4 KiB
C++
318 lines
7.4 KiB
C++
/* -----------------------------------------------------------------------------
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* python.cxx
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*
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* Python module.
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*
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* Author(s) : Surendra Singhi (surendra@asu.edu)
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*
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* Copyright (C) 2005 Surendra Singhi
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* See the file LICENSE for information on usage and redistribution.
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* ----------------------------------------------------------------------------- */
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char cvsroot_clisp_cxx[] = "$Header$";
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#include "swigmod.h"
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class CLISP : public Language {
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public:
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File *f_cl;
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String *module;
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virtual void main(int argc, char *argv[]);
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virtual int top(Node *n);
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virtual int functionWrapper(Node *n);
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virtual int constantWrapper(Node *n);
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virtual int classDeclaration(Node *n);
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private:
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String* get_ffi_type(SwigType *ty, const String_or_char *name);
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String* convert_literal(String *num_param, String *type);
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String* strip_parens(String *string);
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};
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void CLISP :: main(int argc, char *argv[]) {
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int i;
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SWIG_library_directory("clisp");
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SWIG_config_file("clisp.swg");
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for(i=1; i<argc; i++) {
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if (!strcmp(argv[i], "-help")) {
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fprintf(stdout, "clisp Options (available with -clisp)\n");
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fprintf(stdout,
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" currently none");
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}
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}
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}
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int CLISP :: top(Node *n) {
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File *f_null=NewString("");
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module=Getattr(n, "name");
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String *output_filename;
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/* Get the output file name */
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String *outfile = Getattr(n,"outfile");
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if(!outfile)
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output_filename=outfile;
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else {
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output_filename=NewString("");
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Printf(output_filename, "%s%s.lisp", SWIG_output_directory(), module);
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}
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f_cl=NewFile(output_filename, "w");
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if (!f_cl) {
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Printf(stderr, "Unable to open %s for writing\n", output_filename);
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SWIG_exit(EXIT_FAILURE);
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}
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Swig_register_filebyname("header",f_null);
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Swig_register_filebyname("runtime",f_null);
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Swig_register_filebyname("wrapper", f_null);
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Printf(f_cl, ";; This is an automatically generated file. \n;;Make changes as you feel are necessary (but remember if you try to regenerate this file, your changes will be lost). \n\n(defpackage :%s\n (:use :common-lisp :ff :excl))\n\n(in-package :%s)\n", module, module);
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Language::top(n);
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Close(f_cl);
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Delete(f_cl); // Deletes the handle, not the file
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return SWIG_OK;
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}
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int CLISP :: functionWrapper(Node *n) {
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String *func_name=Getattr(n, "sym:name");
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ParmList *pl=Getattr(n, "parms");
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Parm *p;
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int argnum=0, first=1, varargs=0;
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//Language::functionWrapper(n);
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Printf(f_cl, "\n(ffi:def-cal-out %s-%s (:name \"%s\")\n", module, func_name,func_name);
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/* Special cases */
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if (ParmList_len(pl) != 0) {
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Printf(f_cl, "\t(:arguments ");
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}
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for (p=pl; p; p=nextSibling(p), argnum++) {
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String *argname=Getattr(p, "name");
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SwigType *argtype=Getattr(p, "type");
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String *ffitype=get_ffi_type(argtype, argname);
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int tempargname=0;
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if (!argname) {
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argname=NewStringf("arg%d", argnum);
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tempargname=1;
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}
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if (!first) {
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Printf(f_cl, "\n\t\t");
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}
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Printf(f_cl, "(%s %s)", argname, ffitype);
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first=0;
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Delete(ffitype);
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if (tempargname)
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Delete(argname);
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}
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Printf(f_cl, ")\n"); /* finish arg list */
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Printf(f_cl, "\t(:return-type %s)\n", get_ffi_type(Getattr(n, "type"), "result"));
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Printf(f_cl, "\t(:library +library-name+))\n");
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return SWIG_OK;
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}
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int CLISP :: constantWrapper(Node *n) {
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String *type=Getattr(n, "type");
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String *converted_value=convert_literal(Getattr(n, "value"), type);
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String *name=Getattr(n, "sym:name");
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#if 1
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Printf(stdout, "constant %s is of type %s. value: %s\n",
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name, type, converted_value);
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#endif
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Printf(f_cl, "(defconstant \"%s\" %s)\n",
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name, converted_value);
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Delete(converted_value);
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return SWIG_OK;
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}
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// Includes structs
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int CLISP :: classDeclaration(Node *n) {
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String *name=Getattr(n, "sym:name");
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String *kind = Getattr(n,"kind");
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Node *c;
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if (Strcmp(kind, "struct")) {
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Printf(stderr, "Don't know how to deal with %s kind of class yet.\n",
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kind);
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Printf(stderr, " (name: %s)\n", name);
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SWIG_exit(EXIT_FAILURE);
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}
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Printf(f_cl,"(ffi:def-c-struct %s",name);
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for (c=firstChild(n); c; c=nextSibling(c)) {
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SwigType *type=Getattr(c, "type");
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String *lisp_type;
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if (Strcmp(nodeType(c), "cdecl")) {
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Printf(stderr, "Structure %s has a slot that we can't deal with.\n",
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name);
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Printf(stderr, "nodeType: %s, name: %s, type: %s\n",
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nodeType(c),
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Getattr(c, "name"),
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Getattr(c, "type"));
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SWIG_exit(EXIT_FAILURE);
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}
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/* Printf(stdout, "Converting %s in %s\n", type, name); */
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lisp_type=get_ffi_type(type, Getattr(c, "sym:name"));
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Printf(f_cl,
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"\n\t(%s :type %s)",
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Getattr(c, "sym:name"),
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lisp_type);
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Delete(lisp_type);
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}
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Printf(f_cl, ")\n");
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/* Add this structure to the known lisp types */
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//Printf(stdout, "Adding %s foreign type\n", name);
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// add_defined_foreign_type(name);
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return SWIG_OK;
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}
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/* utilities */
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/* returns new string w/ parens stripped */
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String* CLISP::strip_parens(String *string) {
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char *s=Char(string), *p;
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int len=Len(string);
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String *res;
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if (len==0 || s[0] != '(' || s[len-1] != ')') {
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return NewString(string);
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}
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p=(char *)malloc(len-2+1);
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if (!p) {
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Printf(stderr, "Malloc failed\n");
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SWIG_exit(EXIT_FAILURE);
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}
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strncpy(p, s+1, len-1);
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p[len-2]=0; /* null terminate */
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res=NewString(p);
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free(p);
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return res;
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}
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String* CLISP::convert_literal(String *num_param, String *type) {
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String *num=strip_parens(num_param), *res;
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char *s=Char(num);
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/* Make sure doubles use 'd' instead of 'e' */
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if (!Strcmp(type, "double")) {
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String *updated=Copy(num);
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if (Replace(updated, "e", "d", DOH_REPLACE_ANY) > 1) {
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Printf(stderr, "Weird!! number %s looks invalid.\n", num);
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SWIG_exit(EXIT_FAILURE);
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}
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Delete(num);
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return updated;
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}
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if (SwigType_type(type) == T_CHAR) {
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/* Use CL syntax for character literals */
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return NewStringf("#\\%s", num_param);
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}
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else if (SwigType_type(type) == T_STRING) {
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/* Use CL syntax for string literals */
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return NewStringf("\"%s\"", num_param);
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}
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if (Len(num) < 2 || s[0] != '0') {
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return num;
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}
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/* octal or hex */
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res=NewStringf("#%c%s",
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s[1] == 'x' ? 'x' : 'o',
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s+2);
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Delete(num);
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return res;
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}
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String* CLISP::get_ffi_type(SwigType *ty, const String_or_char *name) {
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Hash *typemap = Swig_typemap_search("ffitype", ty, name, 0);
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if (typemap) {
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String *typespec = Getattr(typemap, "code");
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return NewString(typespec);
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}
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else {
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SwigType *tr=SwigType_typedef_resolve_all(ty);
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char *type_reduced=Char(tr);
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// int i;
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//Printf(stdout,"convert_type %s\n", ty);
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if (SwigType_isconst(tr)) {
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SwigType_pop(tr);
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type_reduced=Char(tr);
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}
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if (SwigType_ispointer(type_reduced) || SwigType_isarray(ty) ||
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!strncmp(type_reduced, "p.f", 3)) {
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#if 1
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return NewString("(* :void)");
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#else
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return NewString(":foreign-address");
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#endif
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}
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// for(i=0; i<defined_foreign_types.count; i++) {
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// if (!Strcmp(ty, defined_foreign_types.entries[i])) {
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// return NewStringf("#.(%s \"%s\" :type :type)",
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// identifier_converter,
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// ty);
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// }
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// }
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if (!Strncmp(type_reduced, "enum ", 5)) {
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return NewString(":int");
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}
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Printf(stderr, "Unsupported data type: %s (was: %s)\n", type_reduced, ty);
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SWIG_exit(EXIT_FAILURE);
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}
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return 0;
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}
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extern "C" Language *swig_clisp(void) {
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return new CLISP();
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}
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