[UFFI] Remove code for Common Lisp UFFI
We dropped support for it in SWIG 4.0.0 and nobody has stepped forward to revive it in over 2 years. See #2009.
This commit is contained in:
Olly Betts
parent
b7a99f22f5
commit
a54d62b22e
4 changed files with 5 additions and 557 deletions
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/* -----------------------------------------------------------------------------
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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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* uffi.cxx
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*
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* Uffi language module for SWIG.
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* ----------------------------------------------------------------------------- */
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// TODO: remove remnants of lisptype
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#include "swigmod.h"
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static const char *usage = "\
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UFFI Options (available with -uffi)\n\
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-identifier-converter <type or funcname> - \n\
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Specifies the type of conversion to do on C identifiers\n\
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to convert them to symbols. There are two built-in\n\
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converters: 'null' and 'lispify'. The default is\n\
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'null'. If you supply a name other than one of the\n\
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built-ins, then a function by that name will be\n\
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called to convert identifiers to symbols.\n\
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";
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class UFFI:public Language {
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public:
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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 classHandler(Node *n);
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virtual int membervariableHandler(Node *n);
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};
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static File *f_cl = 0;
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static struct {
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int count;
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String **entries;
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} defined_foreign_types;
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static String *identifier_converter = NewString("identifier-convert-null");
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static int any_varargs(ParmList *pl) {
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Parm *p;
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for (p = pl; p; p = nextSibling(p)) {
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if (SwigType_isvarargs(Getattr(p, "type")))
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return 1;
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}
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return 0;
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}
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/* utilities */
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/* returns new string w/ parens stripped */
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static String *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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static String *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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static void add_defined_foreign_type(String *type) {
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if (!defined_foreign_types.count) {
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/* Make fresh */
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defined_foreign_types.count = 1;
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defined_foreign_types.entries = (String **) malloc(sizeof(String *));
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} else {
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/* make room */
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defined_foreign_types.count++;
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defined_foreign_types.entries = (String **)
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realloc(defined_foreign_types.entries, defined_foreign_types.count * sizeof(String *));
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}
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if (!defined_foreign_types.entries) {
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Printf(stderr, "Out of memory\n");
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SWIG_exit(EXIT_FAILURE);
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}
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/* Fill in the new data */
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defined_foreign_types.entries[defined_foreign_types.count - 1] = Copy(type);
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}
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static String *get_ffi_type(Node *n, SwigType *ty, const_String_or_char_ptr name) {
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Node *node = NewHash();
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Setattr(node, "type", ty);
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Setattr(node, "name", name);
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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("ffitype", 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 {
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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) || !strncmp(type_reduced, "p.f", 3)) {
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return NewString(":pointer-void");
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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)", identifier_converter, 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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static String *get_lisp_type(Node *n, SwigType *ty, const_String_or_char_ptr name) {
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Node *node = NewHash();
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Setattr(node, "type", ty);
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Setattr(node, "name", name);
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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("lisptype", node, "", 0);
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Delete(node);
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return tm ? NewString(tm) : NewString("");
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}
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void UFFI::main(int argc, char *argv[]) {
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int i;
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Preprocessor_define("SWIGUFFI 1", 0);
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SWIG_library_directory("uffi");
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SWIG_config_file("uffi.swg");
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for (i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "-identifier-converter")) {
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char *conv = argv[i + 1];
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if (!conv)
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Swig_arg_error();
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Swig_mark_arg(i);
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Swig_mark_arg(i + 1);
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i++;
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/* check for built-ins */
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if (!strcmp(conv, "lispify")) {
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Delete(identifier_converter);
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identifier_converter = NewString("identifier-convert-lispify");
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} else if (!strcmp(conv, "null")) {
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Delete(identifier_converter);
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identifier_converter = NewString("identifier-convert-null");
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} else {
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/* Must be user defined */
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Delete(identifier_converter);
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identifier_converter = NewString(conv);
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}
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}
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if (!strcmp(argv[i], "-help")) {
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Printf(stdout, "%s\n", usage);
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}
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}
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}
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int UFFI::top(Node *n) {
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String *module = Getattr(n, "name");
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String *output_filename = NewString("");
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File *f_null = NewString("");
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Printf(output_filename, "%s%s.cl", SWIG_output_directory(), module);
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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_cl);
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Swig_banner_target_lang(f_cl, ";;");
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Printf(f_cl, "\n"
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";; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; package: %s -*-\n\n(defpackage :%s\n (:use :common-lisp :uffi))\n\n(in-package :%s)\n",
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module, module, module);
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Printf(f_cl, "(eval-when (compile load eval)\n (defparameter *swig-identifier-converter* '%s))\n", identifier_converter);
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Language::top(n);
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Delete(f_cl); // Delete the handle, not the file
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Delete(f_null);
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return SWIG_OK;
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}
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int UFFI::functionWrapper(Node *n) {
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String *funcname = 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;
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// int varargs = 0;
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//Language::functionWrapper(n);
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Printf(f_cl, "(swig-defun \"%s\"\n", funcname);
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Printf(f_cl, " (");
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/* Special cases */
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if (ParmList_len(pl) == 0) {
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Printf(f_cl, ":void");
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} else if (any_varargs(pl)) {
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Printf(f_cl, "#| varargs |#");
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// varargs = 1;
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} else {
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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(n, argtype, argname);
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String *lisptype = get_lisp_type(n, 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 ");
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}
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Printf(f_cl, "(%s %s %s)", argname, ffitype, lisptype);
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first = 0;
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Delete(ffitype);
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Delete(lisptype);
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if (tempargname)
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Delete(argname);
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}
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}
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Printf(f_cl, ")\n"); /* finish arg list */
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Printf(f_cl, " :returning %s\n"
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//" :strings-convert t\n"
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//" :call-direct %s\n"
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//" :optimize-for-space t"
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")\n", get_ffi_type(n, Getattr(n, "type"), Swig_cresult_name())
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//,varargs ? "nil" : "t"
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);
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return SWIG_OK;
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}
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int UFFI::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 0
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Printf(stdout, "constant %s is of type %s. value: %s\n", name, type, converted_value);
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#endif
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Printf(f_cl, "(swig-defconstant \"%s\" %s)\n", 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 UFFI::classHandler(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", 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, "(swig-def-struct \"%s\"\n \n", 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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SwigType *decl = Getattr(c, "decl");
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if (type) {
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type = Copy(type);
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SwigType_push(type, decl);
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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", 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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/* Printf(stdout, "Converting %s in %s\n", type, name); */
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lisp_type = get_ffi_type(n, type, Getattr(c, "sym:name"));
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Printf(f_cl, " (#.(%s \"%s\" :type :slot) %s)\n", identifier_converter, Getattr(c, "sym:name"), lisp_type);
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Delete(lisp_type);
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}
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}
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// Language::classHandler(n);
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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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int UFFI::membervariableHandler(Node *n) {
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Language::membervariableHandler(n);
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return SWIG_OK;
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}
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extern "C" Language *swig_uffi(void) {
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return new UFFI();
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}
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