mirror of https://github.com/swig/swig
514 lines
13 KiB
C++
514 lines
13 KiB
C++
/* -----------------------------------------------------------------------------
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* This file is part of SWIG, which is licensed as a whole under version 3
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* (or any later version) of the GNU General Public License. Some additional
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* terms also apply to certain portions of SWIG. The full details of the SWIG
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* license and copyrights can be found in the LICENSE and COPYRIGHT files
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* included with the SWIG source code as distributed by the SWIG developers
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* and at http://www.swig.org/legal.html.
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*
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* clisp.cxx
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*
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* clisp language module for SWIG.
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* ----------------------------------------------------------------------------- */
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char cvsroot_clisp_cxx[] = "$Id$";
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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 variableWrapper(Node *n);
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virtual int constantWrapper(Node *n);
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virtual int classDeclaration(Node *n);
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virtual int enumDeclaration(Node *n);
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virtual int typedefHandler(Node *n);
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List *entries;
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private:
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String *get_ffi_type(Node *n, SwigType *ty);
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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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int extern_all_flag;
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int generate_typedef_flag;
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int is_function;
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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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Preprocessor_define("SWIGCLISP 1", 0);
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SWIG_library_directory("clisp");
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SWIG_config_file("clisp.swg");
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generate_typedef_flag = 0;
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extern_all_flag = 0;
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for (i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "-help")) {
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Printf(stdout, "clisp Options (available with -clisp)\n");
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Printf(stdout,
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" -extern-all\n"
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"\t If this option is given then clisp definitions for all the functions\n"
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"and global variables will be created otherwise only definitions for \n"
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"externed functions and variables are created.\n"
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" -generate-typedef\n"
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"\t If this option is given then def-c-type will be used to generate shortcuts\n"
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"according to the typedefs in the input.\n");
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} else if ((Strcmp(argv[i], "-extern-all") == 0)) {
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extern_all_flag = 1;
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Swig_mark_arg(i);
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} else if ((Strcmp(argv[i], "-generate-typedef") == 0)) {
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generate_typedef_flag = 1;
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Swig_mark_arg(i);
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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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entries = NewList();
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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+", SWIG_output_files());
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if (!f_cl) {
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FileErrorDisplay(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("begin", 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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String *header = NewString("");
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Swig_banner_target_lang(header, ";;");
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Printf(header, "\n(defpackage :%s\n (:use :common-lisp :ffi)", module);
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Language::top(n);
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Iterator i;
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long len = Len(entries);
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if (len > 0) {
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Printf(header, "\n (:export");
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}
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//else nothing to export
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for (i = First(entries); i.item; i = Next(i)) {
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Printf(header, "\n\t:%s", i.item);
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}
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if (len > 0) {
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Printf(header, ")");
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}
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Printf(header, ")\n");
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Printf(header, "\n(in-package :%s)\n", module);
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Printf(header, "\n(default-foreign-language :stdc)\n");
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len = Tell(f_cl);
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Printf(f_cl, "%s", header);
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long end = Tell(f_cl);
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for (len--; len >= 0; len--) {
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end--;
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Seek(f_cl, len, SEEK_SET);
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int ch = Getc(f_cl);
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Seek(f_cl, end, SEEK_SET);
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Putc(ch, f_cl);
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}
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Seek(f_cl, 0, SEEK_SET);
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Write(f_cl, Char(header), Len(header));
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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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is_function = 1;
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String *storage = Getattr(n, "storage");
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if (!extern_all_flag && (!storage || (Strcmp(storage, "extern") && Strcmp(storage, "externc"))))
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return SWIG_OK;
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String *func_name = Getattr(n, "sym:name");
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ParmList *pl = Getattr(n, "parms");
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int argnum = 0, first = 1;
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Printf(f_cl, "\n(ffi:def-call-out %s\n\t(:name \"%s\")\n", func_name, func_name);
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Append(entries, func_name);
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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 (Parm *p = pl; p; p = nextSibling(p), argnum++) {
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String *argname = Getattr(p, "name");
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// SwigType *argtype;
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String *ffitype = get_ffi_type(n, Getattr(p, "type"));
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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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if (ParmList_len(pl) != 0) {
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Printf(f_cl, ")\n"); /* finish arg list */
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}
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String *ffitype = get_ffi_type(n, Getattr(n, "type"));
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if (Strcmp(ffitype, "NIL")) { //when return type is not nil
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Printf(f_cl, "\t(:return-type %s)\n", ffitype);
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}
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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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is_function = 0;
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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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Printf(f_cl, "\n(defconstant %s %s)\n", name, converted_value);
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Append(entries, name);
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Delete(converted_value);
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return SWIG_OK;
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}
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int CLISP::variableWrapper(Node *n) {
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is_function = 0;
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// SwigType *type=;
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String *storage = Getattr(n, "storage");
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if (!extern_all_flag && (!storage || (Strcmp(storage, "extern") && Strcmp(storage, "externc"))))
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return SWIG_OK;
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String *var_name = Getattr(n, "sym:name");
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String *lisp_type = get_ffi_type(n, Getattr(n, "type"));
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Printf(f_cl, "\n(ffi:def-c-var %s\n (:name \"%s\")\n (:type %s)\n", var_name, var_name, lisp_type);
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Printf(f_cl, "\t(:library +library-name+))\n");
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Append(entries, var_name);
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Delete(lisp_type);
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return SWIG_OK;
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}
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int CLISP::typedefHandler(Node *n) {
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if (generate_typedef_flag) {
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is_function = 0;
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Printf(f_cl, "\n(ffi:def-c-type %s %s)\n", Getattr(n, "name"), get_ffi_type(n, Getattr(n, "type")));
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}
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return Language::typedefHandler(n);
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}
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int CLISP::enumDeclaration(Node *n) {
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is_function = 0;
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String *name = Getattr(n, "sym:name");
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Printf(f_cl, "\n(ffi:def-c-enum %s ", name);
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for (Node *c = firstChild(n); c; c = nextSibling(c)) {
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String *slot_name = Getattr(c, "name");
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String *value = Getattr(c, "enumvalue");
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Printf(f_cl, "(%s %s)", slot_name, value);
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Append(entries, slot_name);
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Delete(value);
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}
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Printf(f_cl, ")\n");
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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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is_function = 0;
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String *name = Getattr(n, "sym:name");
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String *kind = Getattr(n, "kind");
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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", 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, "\n(ffi:def-c-struct %s", name);
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Append(entries, NewStringf("make-%s", name));
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for (Node *c = firstChild(n); c; c = nextSibling(c)) {
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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", name);
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Printf(stderr, "nodeType: %s, name: %s, type: %s\n", nodeType(c), Getattr(c, "name"), Getattr(c, "type"));
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SWIG_exit(EXIT_FAILURE);
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}
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String *temp = Copy(Getattr(c, "decl"));
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Append(temp, Getattr(c, "type")); //appending type to the end, otherwise wrong type
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String *lisp_type = get_ffi_type(n, temp);
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Delete(temp);
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String *slot_name = Getattr(c, "sym:name");
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Printf(f_cl, "\n\t(%s %s)", slot_name, lisp_type);
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Append(entries, NewStringf("%s-%s", name, slot_name));
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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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} 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", s[1] == 'x' ? 'x' : 'o', 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(Node *n, SwigType *ty) {
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Node *node = NewHash();
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Setattr(node, "type", ty);
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Setfile(node, Getfile(n));
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Setline(node, Getline(n));
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const String *tm = Swig_typemap_lookup("in", node, "", 0);
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Delete(node);
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if (tm) {
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return NewString(tm);
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} else if (SwigType_ispointer(ty)) {
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SwigType *cp = Copy(ty);
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SwigType_del_pointer(cp);
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String *inner_type = get_ffi_type(n, cp);
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if (SwigType_isfunction(cp)) {
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return inner_type;
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}
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SwigType *base = SwigType_base(ty);
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String *base_name = SwigType_str(base, 0);
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String *str;
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if (!Strcmp(base_name, "int") || !Strcmp(base_name, "float") || !Strcmp(base_name, "short")
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|| !Strcmp(base_name, "double") || !Strcmp(base_name, "long") || !Strcmp(base_name, "char")) {
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str = NewStringf("(ffi:c-ptr %s)", inner_type);
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} else {
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str = NewStringf("(ffi:c-pointer %s)", inner_type);
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}
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Delete(base_name);
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Delete(base);
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Delete(cp);
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Delete(inner_type);
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return str;
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} else if (SwigType_isarray(ty)) {
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SwigType *cp = Copy(ty);
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String *array_dim = SwigType_array_getdim(ty, 0);
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if (!Strcmp(array_dim, "")) { //dimension less array convert to pointer
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Delete(array_dim);
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SwigType_del_array(cp);
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SwigType_add_pointer(cp);
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String *str = get_ffi_type(n, cp);
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Delete(cp);
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return str;
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} else {
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SwigType_pop_arrays(cp);
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String *inner_type = get_ffi_type(n, cp);
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Delete(cp);
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int ndim = SwigType_array_ndim(ty);
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String *dimension;
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if (ndim == 1) {
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dimension = array_dim;
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} else {
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dimension = array_dim;
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for (int i = 1; i < ndim; i++) {
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array_dim = SwigType_array_getdim(ty, i);
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Append(dimension, " ");
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Append(dimension, array_dim);
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Delete(array_dim);
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}
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String *temp = dimension;
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dimension = NewStringf("(%s)", dimension);
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Delete(temp);
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}
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String *str;
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if (is_function)
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str = NewStringf("(ffi:c-ptr (ffi:c-array %s %s))", inner_type, dimension);
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else
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str = NewStringf("(ffi:c-array %s %s)", inner_type, dimension);
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Delete(inner_type);
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Delete(dimension);
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return str;
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}
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} else if (SwigType_isfunction(ty)) {
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SwigType *cp = Copy(ty);
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SwigType *fn = SwigType_pop_function(cp);
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String *args = NewString("");
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ParmList *pl = SwigType_function_parms(fn, n);
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if (ParmList_len(pl) != 0) {
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Printf(args, "(:arguments ");
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}
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int argnum = 0, first = 1;
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for (Parm *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(n, argtype);
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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(args, "\n\t\t");
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}
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Printf(args, "(%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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if (ParmList_len(pl) != 0) {
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Printf(args, ")\n"); /* finish arg list */
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}
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String *ffitype = get_ffi_type(n, cp);
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String *str = NewStringf("(ffi:c-function %s \t\t\t\t(:return-type %s))", args, ffitype);
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Delete(fn);
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Delete(args);
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Delete(cp);
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Delete(ffitype);
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return str;
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}
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String *str = SwigType_str(ty, 0);
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if (str) {
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char *st = Strstr(str, "struct");
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if (st) {
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st += 7;
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return NewString(st);
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}
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char *cl = Strstr(str, "class");
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if (cl) {
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cl += 6;
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return NewString(cl);
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}
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}
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return str;
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}
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extern "C" Language *swig_clisp(void) {
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return new CLISP();
|
|
}
|