dcec3c3fb0
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2008-maciekd@10720 626c5289-ae23-0410-ae9c-e8d60b6d4f22
1292 lines
41 KiB
C++
1292 lines
41 KiB
C++
/* -----------------------------------------------------------------------------
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* See the LICENSE file for information on copyright, usage and redistribution
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* of SWIG, and the README file for authors - http://www.swig.org/release.html.
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*
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* c.cxx
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*
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* C language module for SWIG.
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* ----------------------------------------------------------------------------- */
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char cvsroot_c_cxx[] = "$Id$";
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#include <ctype.h>
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#include "swigmod.h"
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class C:public Language {
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static const char *usage;
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File *f_runtime;
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File *f_header;
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File *f_wrappers;
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File *f_init;
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File *f_proxy_c;
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File *f_proxy_h;
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String *f_proxy_code_init;
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String *f_proxy_code_body;
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String *f_proxy_header;
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String *empty_string;
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String *int_string;
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String *enum_values;
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String *create_object;
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String *destroy_object;
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bool proxy_flag;
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bool runtime_flag;
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bool typecheck_flag;
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public:
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/* -----------------------------------------------------------------------------
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* C()
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* ----------------------------------------------------------------------------- */
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C() :
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empty_string(NewString("")),
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int_string(NewString("int")),
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enum_values(0),
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create_object(0),
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destroy_object(0),
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proxy_flag(true),
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runtime_flag(true),
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typecheck_flag(false) {
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}
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/* ------------------------------------------------------------
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* main()
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* ------------------------------------------------------------ */
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virtual void main(int argc, char *argv[]) {
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SWIG_library_directory("c");
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// add a symbol to the parser for conditional compilation
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Preprocessor_define("SWIGC 1", 0);
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if (runtime_flag)
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Preprocessor_define("SWIG_C_RUNTIME 1", 0);
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// add typemap definitions
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SWIG_typemap_lang("c");
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SWIG_config_file("c.swg");
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// look for certain command line options
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for (int i = 1; i < argc; i++) {
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if (argv[i]) {
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if (strcmp(argv[i], "-help") == 0) {
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Printf(stdout, "%s\n", usage);
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} else if ((strcmp(argv[i], "-proxy") == 0) || (strcmp(argv[i], "-proxy") == 0)) {
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proxy_flag = true;
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Swig_mark_arg(i);
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} else if (strcmp(argv[i], "-noproxy") == 0) {
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proxy_flag = false;
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Swig_mark_arg(i);
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} else if (strcmp(argv[i], "-noruntime") == 0) {
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runtime_flag = false;
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Swig_mark_arg(i);
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}
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}
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}
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if (!CPlusPlus)
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runtime_flag = false;
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allow_overloading();
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}
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/* ---------------------------------------------------------------------
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* start_create_object()
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* --------------------------------------------------------------------- */
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void start_create_object() {
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String *s = create_object = NewString("");
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Printf(s, "\nSWIGINTERN SwigObj *SWIG_create_object(const char *classname) {\n");
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Printf(s, "SWIG_Runtime_init();\n");
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Printf(s, "SwigObj *result;\n");
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Printf(s, "result = (SwigObj *) malloc(sizeof(SwigObj));\n");
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Printf(s, "result->obj = 0;\n");
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}
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/* ---------------------------------------------------------------------
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* finish_create_object()
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* --------------------------------------------------------------------- */
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String *finish_create_object() {
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String *s = create_object;
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Printf(s, "return result;\n");
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Printf(s, "}\n\n");
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return create_object;
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}
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/* ---------------------------------------------------------------------
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* start_destroy_object()
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* --------------------------------------------------------------------- */
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void start_destroy_object() {
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String *s = destroy_object = NewString("");
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Printf(s, "\nSWIGINTERN void SWIG_destroy_object(SwigObj *object) {\n");
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Printf(s, "if (object)\nif (object->typenames) {\n");
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}
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/* ---------------------------------------------------------------------
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* finish_destroy_object()
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* --------------------------------------------------------------------- */
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String *finish_destroy_object() {
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String *s = destroy_object;
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Printf(s, "free(object->typenames);\n");
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Printf(s, "free(object);\n");
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Printf(s, "object = (SwigObj *) 0;\n");
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Printf(s, "}\n}\n");
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return destroy_object;
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}
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/* ---------------------------------------------------------------------
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* top()
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* --------------------------------------------------------------------- */
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virtual int top(Node *n) {
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String *module = Getattr(n, "name");
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String *outfile = Getattr(n, "outfile");
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// initialize I/O
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f_runtime = NewFile(outfile, "w");
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if (!f_runtime) {
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FileErrorDisplay(outfile);
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SWIG_exit(EXIT_FAILURE);
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}
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f_init = NewString("");
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f_header = NewString("");
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f_wrappers = NewString("");
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Swig_banner(f_runtime);
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// generate proxy files if enabled
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if (proxy_flag) {
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f_proxy_code_init = NewString("");
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f_proxy_code_body = NewString("");
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f_proxy_header = NewString("");
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// create proxy files with appropriate name
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String *proxy_code_filename = NewStringf("%s%s_proxy.c", SWIG_output_directory(), Char(module));
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if ((f_proxy_c = NewFile(proxy_code_filename, "w")) == 0) {
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FileErrorDisplay(proxy_code_filename);
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SWIG_exit(EXIT_FAILURE);
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}
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String *proxy_header_filename = NewStringf("%s%s_proxy.h", SWIG_output_directory(), Char(module));
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if ((f_proxy_h = NewFile(proxy_header_filename, "w")) == 0) {
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FileErrorDisplay(proxy_header_filename);
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SWIG_exit(EXIT_FAILURE);
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}
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Swig_register_filebyname("proxy_code_init", f_proxy_code_init);
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Swig_register_filebyname("proxy_code_body", f_proxy_code_body);
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Swig_register_filebyname("proxy_header", f_proxy_header);
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Swig_banner(f_proxy_code_init);
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Swig_banner(f_proxy_header);
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Printf(f_proxy_code_init, "#include \"%s\"\n\n", proxy_header_filename);
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Printf(f_proxy_header, "#ifndef _%s_proxy_H_\n#define _%s_proxy_H_\n\n", Char(module), Char(module));
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}
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Swig_register_filebyname("header", f_header);
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Swig_register_filebyname("wrappers", f_wrappers);
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Swig_register_filebyname("runtime", f_runtime);
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Swig_register_filebyname("init", f_init);
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Printf(f_wrappers, "#ifdef __cplusplus\n");
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Printf(f_wrappers, "extern \"C\" {\n");
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Printf(f_wrappers, "#endif\n\n");
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start_create_object();
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start_destroy_object();
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// emit code for children
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Language::top(n);
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Append(f_header, finish_create_object());
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Append(f_header, finish_destroy_object());
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Printf(f_wrappers, "#ifdef __cplusplus\n");
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Printf(f_wrappers, "}\n");
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Printf(f_wrappers, "#endif\n");
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// finalize generating proxy file
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if (proxy_flag) {
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Printv(f_proxy_c, f_proxy_code_init, "\n", NIL);
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Printv(f_proxy_c, f_proxy_code_body, "\n", NIL);
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Printv(f_proxy_h, f_proxy_header, "\n#endif /* _", Char(module), "_proxy_H_ */\n", NIL);
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Close(f_proxy_c);
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Close(f_proxy_h);
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Delete(f_proxy_code_init);
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Delete(f_proxy_header);
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}
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// write all to the file
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Wrapper_pretty_print(f_header, f_runtime);
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Dump(f_wrappers, f_runtime);
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Wrapper_pretty_print(f_init, f_runtime);
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// cleanup
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Delete(f_header);
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Delete(f_wrappers);
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Delete(f_init);
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Close(f_runtime);
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Delete(f_runtime);
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return SWIG_OK;
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}
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/* -----------------------------------------------------------------------
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* globalvariableHandler()
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* ------------------------------------------------------------------------ */
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virtual int globalvariableHandler(Node *n) {
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if (!proxy_flag)
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return SWIG_OK;
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String *name = Getattr(n, "name");
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SwigType *type = Getattr(n, "type");
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String *type_str = SwigType_str(type, 0);
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Printv(f_proxy_header, "SWIGIMPORT ", type_str, " ", name, ";\n\n", NIL);
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return SWIG_OK;
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}
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/* -----------------------------------------------------------------------
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* globalfunctionHandler()
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* ------------------------------------------------------------------------ */
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virtual int globalfunctionHandler(Node *n ) {
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String *action = NewString("");
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String *vis_hint = NewString("");
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String *return_type_str = SwigType_str(Getattr(n, "type"), 0);
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String *name = Getattr(n, "sym:name");
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ParmList *parms = Getattr(n, "parms");
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String *arg_list = NewString("");
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if (SwigType_type(Getattr(n, "type")) != T_VOID) {
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Printv(action, "result = (", SwigType_str(Getattr(n, "type"), 0), ") ", NIL);
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}
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Printv(action, Swig_cfunction_call(Getattr(n, "name"), parms), ";", NIL);
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Setattr(n, "wrap:action", action);
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functionWrapper(n);
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// add visibility hint for the compiler (do not override this symbol)
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Printv(vis_hint, "SWIGPROTECT(", return_type_str, " ", name, "(", ParmList_str(parms), ");)\n\n", NIL);
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Printv(f_header, vis_hint, NIL);
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Delete(arg_list);
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Delete(vis_hint);
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Delete(action);
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return SWIG_OK;
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}
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/* ----------------------------------------------------------------------
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* prepend_feature()
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* ---------------------------------------------------------------------- */
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String* prepend_feature(Node *n) {
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String *prepend_str = Getattr(n, "feature:prepend");
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if (prepend_str) {
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char *t = Char(prepend_str);
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if (*t == '{') {
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Delitem(prepend_str, 0);
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Delitem(prepend_str, DOH_END);
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}
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}
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return (prepend_str ? prepend_str : empty_string);
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}
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/* ----------------------------------------------------------------------
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* append_feature()
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* ---------------------------------------------------------------------- */
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String* append_feature(Node *n) {
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String *append_str = Getattr(n, "feature:append");
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if (append_str) {
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char *t = Char(append_str);
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if (*t == '{') {
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Delitem(append_str, 0);
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Delitem(append_str, DOH_END);
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}
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}
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return (append_str ? append_str : empty_string);
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}
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/* ----------------------------------------------------------------------
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* getMangledType()
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* ---------------------------------------------------------------------- */
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String *getMangledType(SwigType *type_arg) {
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static String *result = 0;
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SwigType *prefix = 0;
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if (result)
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Delete(result);
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result = NewString("");
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|
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/*Printf(stderr, "MANGLING TYPE: %s\n", type_arg);*/
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SwigType *type = Copy(type_arg);
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if (SwigType_ismemberpointer(type)) {
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SwigType_del_memberpointer(type);
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SwigType_add_pointer(type);
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}
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if (SwigType_ispointer(type)) {
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SwigType_del_pointer(type);
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if (SwigType_isfunction(type)) {
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Printf(result, "f");
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goto ready;
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}
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Delete(type);
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type = Copy(type_arg);
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}
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prefix = SwigType_prefix(type);
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Replaceall(prefix, ".", "");
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Replaceall(prefix, "const", "c");
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Replaceall(prefix, "volatile", "v");
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Replaceall(prefix, "a(", "a");
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Replaceall(prefix, "m(", "m");
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Replaceall(prefix, "q(", "");
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Replaceall(prefix, ")", "");
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Replaceall(prefix, " ", "");
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Printf(result, "%s", prefix);
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type = SwigType_base(type);
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if (SwigType_isbuiltin(type))
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Printf(result, "%c", *Char(SwigType_base(type)));
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else if (SwigType_isenum(type))
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Printf(result, "e%s", Swig_scopename_last(type));
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else
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Printf(result, "%s", Char(SwigType_base(type)));
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ready:
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/*Printf(stderr, " RESULT: %s\n", result);*/
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|
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if (prefix)
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Delete(prefix);
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if (type)
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Delete(type);
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return result;
|
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}
|
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|
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/* ----------------------------------------------------------------------
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* make_enum_type()
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*
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* given C++ enum type this function returns its C representation
|
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* ---------------------------------------------------------------------- */
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|
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String *make_enum_type(Node *n, SwigType *enumtype) {
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Symtab *symtab = Getattr(n, "sym:symtab");
|
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String *unnamed = Getattr(n, "unnamed");
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String *newtype = 0;
|
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String *query = 0;
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|
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if (!unnamed)
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query = Swig_scopename_last(SwigType_str(enumtype, 0));
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else {
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Replaceall(unnamed, "$unnamed", "enum");
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Replaceall(unnamed, "$", "");
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query = unnamed;
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}
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Node *node = Swig_symbol_clookup(query, symtab);
|
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if (node)
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newtype = NewStringf("enum %s", Getattr(node, "name"));
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else
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newtype = Copy(enumtype);
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|
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return newtype;
|
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}
|
|
|
|
/* ----------------------------------------------------------------------
|
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* functionWrapper()
|
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* ---------------------------------------------------------------------- */
|
|
|
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virtual int functionWrapper(Node *n) {
|
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String *name = Getattr(n, "sym:name");
|
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SwigType *type = Getattr(n, "type");
|
|
SwigType *return_type = NewString("");
|
|
String *wname;
|
|
String *arg_names = NewString("");
|
|
ParmList *parms = Getattr(n, "parms");
|
|
Parm *p;
|
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String *tm;
|
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String *proto = NewString("");
|
|
String *over_suffix = NewString("");
|
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int gencomma;
|
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bool is_void_return = (SwigType_type(type) == T_VOID);
|
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|
|
// create new function wrapper object
|
|
Wrapper *wrapper = NewWrapper();
|
|
|
|
if (!CPlusPlus) {
|
|
// this is C function, we don't apply typemaps to it
|
|
|
|
// create new wrapper name
|
|
wname = Swig_name_wrapper(name);
|
|
Setattr(n, "wrap:name", wname);
|
|
|
|
// create function call
|
|
arg_names = Swig_cfunction_call(empty_string, parms);
|
|
if (arg_names) {
|
|
Delitem(arg_names, 0);
|
|
Delitem(arg_names, DOH_END);
|
|
}
|
|
return_type = SwigType_str(type, 0);
|
|
|
|
// emit wrapper prototype and code
|
|
gencomma = 0;
|
|
for (p = parms; p; p = nextSibling(p)) {
|
|
Printv(proto, gencomma ? ", " : "", SwigType_str(Getattr(p, "type"), 0), " ", Getattr(p, "lname"), NIL);
|
|
gencomma = 1;
|
|
}
|
|
Printv(wrapper->def, return_type, " ", wname, "(", proto, ") {\n", NIL);
|
|
Append(wrapper->code, prepend_feature(n));
|
|
if (!is_void_return) {
|
|
Printv(wrapper->code, return_type, " result;\n", NIL);
|
|
Printf(wrapper->code, "result = ");
|
|
}
|
|
Printv(wrapper->code, name, "(", arg_names, ");\n", NIL);
|
|
Append(wrapper->code, append_feature(n));
|
|
if (!is_void_return)
|
|
Printf(wrapper->code, "return result;\n");
|
|
Printf(wrapper->code, "}");
|
|
}
|
|
else {
|
|
// C++ function wrapper
|
|
|
|
if ((Cmp(Getattr(n, "storage"), "static") != 0) &&
|
|
(Cmp(Getattr(n, "ismember"), "1") == 0) &&
|
|
(Cmp(nodeType(n), "constructor") != 0)) {
|
|
Setattr(parms, "c:objstruct", "1");
|
|
if (!Getattr(parms, "lname"))
|
|
Setattr(parms, "lname", "arg1");
|
|
SwigType *stype = Copy(Getattr(Swig_methodclass(n), "sym:name"));
|
|
SwigType_add_pointer(stype);
|
|
Setattr(parms, "c:stype", stype);
|
|
}
|
|
|
|
// mangle name if function is overloaded
|
|
if (Getattr(n, "sym:overloaded")) {
|
|
if (!Getattr(n, "copy_constructor")) {
|
|
for (p = parms; p; p = nextSibling(p)) {
|
|
if (Getattr(p, "c:objstruct"))
|
|
continue;
|
|
String *mangled = getMangledType(Getattr(p, "type"));
|
|
Printv(over_suffix, "_", mangled, NIL);
|
|
}
|
|
Append(name, over_suffix);
|
|
}
|
|
}
|
|
|
|
// create new wrapper name
|
|
wname = Swig_name_wrapper(name);
|
|
Setattr(n, "wrap:name", wname);
|
|
|
|
// set the return type
|
|
if (Cmp(Getattr(n, "c:objstruct"), "1") == 0) {
|
|
Printv(return_type, SwigType_str(type, 0), NIL);
|
|
}
|
|
else if (SwigType_isenum(type)) {
|
|
type = return_type = make_enum_type(n, type);
|
|
Setattr(n, "type", return_type);
|
|
}
|
|
else if ((tm = Swig_typemap_lookup("couttype", n, "", 0))) {
|
|
String *ctypeout = Getattr(n, "tmap:couttype:out");
|
|
if (ctypeout)
|
|
tm = ctypeout;
|
|
Printf(return_type, "%s", tm);
|
|
}
|
|
else {
|
|
Swig_warning(WARN_C_TYPEMAP_CTYPE_UNDEF, input_file, line_number, "No couttype typemap defined for %s\n", SwigType_str(type, 0));
|
|
}
|
|
|
|
// add variable for holding result of original function
|
|
if (!is_void_return && (Cmp(Getattr(n, "c:objstruct"), "1") != 0)) {
|
|
if (SwigType_isconst(type))
|
|
SwigType_del_qualifier(type);
|
|
SwigType *return_var_type;
|
|
|
|
if (SwigType_isenum(type))
|
|
Wrapper_add_localv(wrapper, "cppresult", "int", "cppresult", NIL);
|
|
else {
|
|
if (SwigType_isreference(type))
|
|
return_var_type = SwigType_base(type);
|
|
else if (SwigType_isarray(type))
|
|
return_var_type = SwigType_add_pointer(SwigType_base(type));
|
|
else
|
|
return_var_type = type;
|
|
|
|
Wrapper_add_localv(wrapper, "cppresult", SwigType_str(return_var_type, 0), "cppresult", NIL);
|
|
}
|
|
}
|
|
|
|
// make sure lnames are set
|
|
int index = 1;
|
|
for (p = parms; p; p = nextSibling(p)) {
|
|
String *lname = Getattr(p, "lname");
|
|
if (!lname) {
|
|
lname = NewStringf("arg%d", index);
|
|
Setattr(p, "lname", lname);
|
|
}
|
|
index++;
|
|
}
|
|
|
|
// create wrapper function prototype
|
|
Printv(wrapper->def, "SWIGEXPORTC ", return_type, " ", wname, "(", NIL);
|
|
|
|
// attach the standard typemaps
|
|
emit_attach_parmmaps(parms, wrapper);
|
|
Setattr(n, "wrap:parms", parms);
|
|
|
|
// attach 'ctype' typemaps
|
|
Swig_typemap_attach_parms("ctype", parms, wrapper);
|
|
|
|
// prepare function definition
|
|
gencomma = 0;
|
|
for (p = parms; p; ) {
|
|
|
|
while (checkAttribute(p, "tmap:in:numinputs", "0")) {
|
|
p = Getattr(p, "tmap:in:next");
|
|
}
|
|
|
|
SwigType *type = Getattr(p, "type");
|
|
String *lname = Getattr(p, "lname");
|
|
String *c_parm_type = NewString("");
|
|
String *proxy_parm_type = NewString("");
|
|
String *arg_name = NewString("");
|
|
|
|
Printf(arg_name, "c%s", lname);
|
|
bool dont_apply_tmap = false;
|
|
|
|
// set the appropriate type for parameter
|
|
if (SwigType_isenum(type)) {
|
|
c_parm_type = make_enum_type(n, type);
|
|
if (Getattr(n, "unnamed")) {
|
|
type = int_string;
|
|
Setattr(p, "type", type);
|
|
dont_apply_tmap = true;
|
|
}
|
|
}
|
|
else if ((tm = Getattr(p, "tmap:ctype"))) {
|
|
Printv(c_parm_type, tm, NIL);
|
|
}
|
|
else {
|
|
Swig_warning(WARN_C_TYPEMAP_CTYPE_UNDEF, input_file, line_number, "No ctype typemap defined for %s\n", SwigType_str(type, 0));
|
|
}
|
|
|
|
// use proxy-type for parameter if supplied
|
|
String* stype = Getattr(p, "c:stype");
|
|
if (stype) {
|
|
Printv(proxy_parm_type, SwigType_str(stype, 0), NIL);
|
|
}
|
|
else {
|
|
Printv(proxy_parm_type, c_parm_type, NIL);
|
|
}
|
|
|
|
Printv(arg_names, gencomma ? ", " : "", Getattr(p, "name"), NIL);
|
|
Printv(wrapper->def, gencomma ? ", " : "", c_parm_type, " ", arg_name, NIL);
|
|
Printv(proto, gencomma ? ", " : "", proxy_parm_type, " ", Getattr(p, "name"), NIL);
|
|
gencomma = 1;
|
|
|
|
// apply typemaps for input parameter
|
|
if ((tm = Getattr(p, "tmap:in"))) {
|
|
if (dont_apply_tmap) {
|
|
Printv(wrapper->code, lname, " = ", arg_name, ";\n", NIL);
|
|
}
|
|
else {
|
|
Replaceall(tm, "$input", arg_name);
|
|
Setattr(p, "emit:input", arg_name);
|
|
Printf(wrapper->code, "%s\n", tm);
|
|
}
|
|
p = Getattr(p, "tmap:in:next");
|
|
}
|
|
else {
|
|
Swig_warning(WARN_TYPEMAP_IN_UNDEF, input_file, line_number, "Unable to use type %s as a function argument.\n", SwigType_str(type, 0));
|
|
p = nextSibling(p);
|
|
}
|
|
Delete(arg_name);
|
|
Delete(proxy_parm_type);
|
|
Delete(c_parm_type);
|
|
}
|
|
|
|
Printf(wrapper->def, ") {");
|
|
|
|
// emit variables for holding parameters
|
|
emit_parameter_variables(parms, wrapper);
|
|
|
|
// emit variable for holding function return value
|
|
emit_return_variable(n, return_type, wrapper);
|
|
|
|
// emit action code
|
|
String *action = emit_action(n);
|
|
if (Getattr(n, "throws") || (Cmp(Getattr(n, "feature:except"), "0") != 0)) {
|
|
Printf(action, "if (SWIG_exc.handled) {\nSWIG_rt_stack_pop();\nlongjmp(SWIG_rt_env, 1);\n}\n");
|
|
}
|
|
if (Cmp(nodeType(n), "constructor") != 0)
|
|
Replace(action, "result =", "cppresult = $mod", DOH_REPLACE_FIRST);
|
|
|
|
// handle return-by-reference
|
|
if (SwigType_isreference(type)) {
|
|
String *ref_cast = NewString("");
|
|
if (SwigType_isconst(SwigType_del_reference(type))) {
|
|
//Printf(ref_cast, "(%s*)", SwigType_str(SwigType_base(type), 0));
|
|
Printf(ref_cast, "*");
|
|
}
|
|
else
|
|
Printf(ref_cast, "&");
|
|
Replaceall(action, "$mod", ref_cast);
|
|
Delete(ref_cast);
|
|
}
|
|
else if (SwigType_isenum(type))
|
|
Replaceall(action, "$mod", "(int)");
|
|
else
|
|
Replaceall(action, "$mod", "");
|
|
|
|
// emit output typemap if needed
|
|
if (!is_void_return && (Cmp(Getattr(n, "c:objstruct"), "1") != 0)) {
|
|
if ((tm = Swig_typemap_lookup_out("out", n, "cppresult", wrapper, action))) {
|
|
Replaceall(tm, "$result", "result");
|
|
Printf(wrapper->code, "%s", tm);
|
|
if (Len(tm))
|
|
Printf(wrapper->code, "\n");
|
|
}
|
|
else {
|
|
Swig_warning(WARN_TYPEMAP_OUT_UNDEF, input_file, line_number, "Unable to use return type %s in function %s.\n", SwigType_str(type, 0), Getattr(n, "name"));
|
|
}
|
|
}
|
|
else {
|
|
Append(wrapper->code, action);
|
|
}
|
|
|
|
// insert constraint checking
|
|
for (p = parms; p; ) {
|
|
if ((tm = Getattr(p, "tmap:check"))) {
|
|
Replaceall(tm, "$target", Getattr(p, "lname"));
|
|
Printv(wrapper->code, tm, "\n", NIL);
|
|
p = Getattr(p, "tmap:check:next");
|
|
}
|
|
else {
|
|
p = nextSibling(p);
|
|
}
|
|
}
|
|
|
|
// insert cleanup code
|
|
for (p = parms; p; ) {
|
|
if ((tm = Getattr(p, "tmap:freearg"))) {
|
|
if (tm && (Len(tm) != 0)) {
|
|
String *input = NewStringf("c%s", Getattr(p, "lname"));
|
|
Replaceall(tm, "$source", Getattr(p, "lname"));
|
|
Replaceall(tm, "$input", input);
|
|
Delete(input);
|
|
Printv(wrapper->code, tm, "\n", NIL);
|
|
}
|
|
p = Getattr(p, "tmap:freearg:next");
|
|
}
|
|
else {
|
|
p = nextSibling(p);
|
|
}
|
|
}
|
|
|
|
if (!is_void_return)
|
|
Append(wrapper->code, "return result;\n");
|
|
|
|
Append(wrapper->code, "}\n");
|
|
}
|
|
|
|
// take care of proxy function
|
|
if (proxy_flag) {
|
|
// use proxy-type for return type if supplied
|
|
SwigType *proxy_type = Getattr(n, "c:stype");
|
|
if (proxy_type) {
|
|
return_type = SwigType_str(proxy_type, 0);
|
|
}
|
|
|
|
// emit proxy functions prototypes
|
|
Printv(f_proxy_code_init, return_type, " ", wname, "(", proto, ");\n", NIL);
|
|
Printv(f_proxy_code_body, return_type, " ", name, "(", proto, ") {\n", NIL);
|
|
|
|
// call to the wrapper function
|
|
Printv(f_proxy_code_body, " return ", wname, "(", arg_names, ");\n}\n", NIL);
|
|
|
|
// add function declaration to the proxy header file
|
|
Printv(f_proxy_header, return_type, " ", name, "(", proto, ");\n");
|
|
}
|
|
|
|
Wrapper_print(wrapper, f_wrappers);
|
|
|
|
// cleanup
|
|
Delete(over_suffix);
|
|
Delete(proto);
|
|
Delete(arg_names);
|
|
Delete(wname);
|
|
Delete(return_type);
|
|
DelWrapper(wrapper);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* copy_node()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
Node *copy_node(Node *node) {
|
|
Node *new_node = NewHash();
|
|
Setattr(new_node, "name", Copy(Getattr(node, "name")));
|
|
Setattr(new_node, "ismember", Copy(Getattr(node, "ismember")));
|
|
Setattr(new_node, "view", Copy(Getattr(node, "view")));
|
|
Setattr(new_node, "kind", Copy(Getattr(node, "kind")));
|
|
Setattr(new_node, "access", Copy(Getattr(node, "access")));
|
|
Setattr(new_node, "parms", Copy(Getattr(node, "parms")));
|
|
Setattr(new_node, "type", Copy(Getattr(node, "type")));
|
|
Setattr(new_node, "decl", Copy(Getattr(node, "decl")));
|
|
return new_node;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* is_in()
|
|
*
|
|
* tests if given name already exists in one of child nodes of n
|
|
* --------------------------------------------------------------------- */
|
|
|
|
bool is_in(String *name, Node *n) {
|
|
Hash *h;
|
|
for (h = firstChild(n); h; h = nextSibling(h)) {
|
|
if (Cmp(name, Getattr(h, "name")) == 0)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* classHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int classHandler(Node *n) {
|
|
String *name = NewString("");
|
|
String *sobj = NewString("");
|
|
List *baselist = Getattr(n, "bases");
|
|
|
|
String *prefix = Swig_scopename_prefix(Getattr(n, "classtype"));
|
|
if (prefix)
|
|
Printf(name, "%s_", Swig_name_mangle(prefix));
|
|
Append(name, Getattr(n, "sym:name"));
|
|
Setattr(n, "sym:name", name);
|
|
|
|
if (CPlusPlus) {
|
|
// inheritance support: attach all members from base classes to this class
|
|
if (baselist) {
|
|
Iterator i;
|
|
for (i = First(baselist); i.item; i = Next(i)) {
|
|
// look for member variables and functions
|
|
Node *node;
|
|
for (node = firstChild(i.item); node; node = nextSibling(node)) {
|
|
if ((Cmp(Getattr(node, "kind"), "variable") == 0)
|
|
|| (Cmp(Getattr(node, "kind"), "function") == 0)) {
|
|
if ((Cmp(Getattr(node, "access"), "public") == 0)
|
|
&& (Cmp(Getattr(node, "storage"), "static") != 0)) {
|
|
if (!is_in(Getattr(node, "name"), n)) {
|
|
Node* new_node = copy_node(node);
|
|
Setattr(new_node, "sym:name", Getattr(new_node, "name"));
|
|
Setattr(new_node, "sym:symtab", Getattr(n, "symtab"));
|
|
set_nodeType(new_node, "cdecl");
|
|
appendChild(n, new_node);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Printv(f_header, "const char* Swig_typename_", name, " = \"", name, "\";\n\n", NIL);
|
|
|
|
// declare type for specific class in the proxy header
|
|
if (proxy_flag)
|
|
Printv(f_proxy_header, "\ntypedef SwigObj ", name, ";\n\n", NIL);
|
|
|
|
Delete(sobj);
|
|
Delete(name);
|
|
return Language::classHandler(n);
|
|
}
|
|
else if (Cmp(Getattr(n, "kind"), "struct") == 0) {
|
|
// this is C struct, just declare it in proxy
|
|
if (proxy_flag) {
|
|
Printv(f_proxy_header, "struct ", name, " {\n", NIL);
|
|
Node* node;
|
|
for (node = firstChild(n); node; node = nextSibling(node)) {
|
|
String* kind = Getattr(node, "kind");
|
|
if ((Cmp(kind, "variable") == 0) || (Cmp(kind, "function") == 0)) {
|
|
String* type = NewString("");
|
|
Printv(type, Getattr(node, "decl"), Getattr(node, "type"), NIL);
|
|
Printv(f_proxy_header, " ", SwigType_str(type, 0), " ", Getattr(node, "name"), ";\n", NIL);
|
|
Delete(type);
|
|
}
|
|
}
|
|
Append(f_proxy_header, "};\n\n");
|
|
}
|
|
|
|
Delete(sobj);
|
|
Delete(name);
|
|
}
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* staticmemberfunctionHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int staticmemberfunctionHandler(Node *n) {
|
|
return Language::staticmemberfunctionHandler(n);
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* memberfunctionHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int memberfunctionHandler(Node *n) {
|
|
return Language::memberfunctionHandler(n);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------
|
|
* wrap_get_variable()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
void wrap_get_variable(Node *n, String *classname, String *newclassname, String *name, String *code) {
|
|
// modify method name
|
|
String *new_name = NewString("");
|
|
Printv(new_name, newclassname, "_", Swig_name_get(name), NIL);
|
|
Setattr(n, "sym:name", new_name);
|
|
|
|
// generate action code
|
|
String *action = NewString("");
|
|
if (!code) {
|
|
code = NewString("");
|
|
Printv(code, "result = ((", classname, "*) arg1->obj)->", name, ";\n", NIL);
|
|
}
|
|
Append(action, code);
|
|
|
|
Setattr(n, "wrap:action", action);
|
|
|
|
functionWrapper(n);
|
|
|
|
Delete(code); // we are deallocating it, regardless of where it was created
|
|
Delete(action);
|
|
Delete(new_name);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------
|
|
* wrap_set_variable()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
void wrap_set_variable(Node *n, String *classname, String *newclassname, String *name, String *code) {
|
|
// modify method name
|
|
String *new_name = NewString("");
|
|
Printv(new_name, newclassname, "_", Swig_name_set(name), NIL);
|
|
Setattr(n, "sym:name", new_name);
|
|
|
|
// generate action code
|
|
String *action = NewString("");
|
|
if (!code) {
|
|
code = NewString("");
|
|
Printv(code, "((", classname, "*) arg1->obj)->", name, " = arg2;\n", NIL);
|
|
}
|
|
Append(action, code);
|
|
Setattr(n, "wrap:action", action);
|
|
|
|
functionWrapper(n);
|
|
|
|
Delete(code); // see wrap_get_variable()
|
|
Delete(action);
|
|
Delete(new_name);
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* staticmembervariableHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int staticmembervariableHandler(Node *n) {
|
|
Node *klass = Swig_methodclass(n);
|
|
String *name = Getattr(n, "sym:name");
|
|
SwigType *type = Copy(Getattr(n, "type"));
|
|
String *classname = Getattr(klass, "classtype");
|
|
String *newclassname = Getattr(klass, "sym:name");
|
|
String *new_name = NewString("");
|
|
String *code = NewString("");
|
|
|
|
// create code for 'get' function
|
|
Printv(code, "result = ", classname, "::", name, ";\n", NIL);
|
|
wrap_get_variable(n, classname, newclassname, name, code);
|
|
|
|
// create parameter for 'set' function
|
|
Parm *p = NewParm(Getattr(n, "type"), "value");
|
|
Setattr(p, "lname", "arg1");
|
|
Setattr(n, "parms", p);
|
|
|
|
if (!SwigType_isconst(type)) {
|
|
// create code for 'set' function
|
|
if (SwigType_isarray(Getattr(n, "type"))) {
|
|
code = NewString("");
|
|
Printf(code, "if (arg2) {\n");
|
|
Printf(code, "int i;\n");
|
|
Printv(code, "for (i = 0; i < ", SwigType_array_getdim(Getattr(n, "type"), 0), "; ++i) {\n", NIL);
|
|
Printv(code, classname, "::", name, "[i] = arg2[i];\n", NIL);
|
|
Printf(code, "}\n}\n");
|
|
}
|
|
else if (SwigType_isenum(Getattr(n, "type")) && Getattr(n, "unnamed")) {
|
|
code = NewString("* (int *) &");
|
|
}
|
|
else
|
|
code = NewString("");
|
|
Printv(code, classname, "::", name, " = arg1;\n", NIL);
|
|
wrap_set_variable(n, classname, newclassname, name, code);
|
|
}
|
|
|
|
Setattr(n, "type", "void");
|
|
|
|
Delete(new_name);
|
|
Delete(type);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* membervariableHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int membervariableHandler(Node *n) {
|
|
return Language::membervariableHandler(n);
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* add_to_create_object()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
void add_to_create_object(Node *n, String *classname, String *newclassname) {
|
|
String *s = create_object;
|
|
|
|
Printv(s, "if (strcmp(classname, \"", classname, "\") == 0) {\n", NIL);
|
|
|
|
// store the name of each class in the hierarchy
|
|
List *baselist = Getattr(Swig_methodclass(n), "bases");
|
|
Printf(s, "result->typenames = (const char **) malloc(%d*sizeof(const char*));\n", Len(baselist) + 2);
|
|
Printv(s, "result->typenames[0] = Swig_typename_", newclassname, ";\n", NIL);
|
|
int i = 1;
|
|
if (baselist) {
|
|
Iterator it;
|
|
for (it = First(baselist); it.item; it = Next(it)) {
|
|
Printf(s, "result->typenames[%d] = Swig_typename_%s;\n", i++, Getattr(it.item, "sym:name"));
|
|
}
|
|
}
|
|
Printf(s, "result->typenames[%d] = 0;\n", i);
|
|
Printf(s, "}\n");
|
|
|
|
s = destroy_object;
|
|
|
|
Printv(s, "if (strcmp(object->typenames[0], \"", classname, "\") == 0) {\n", NIL);
|
|
Printv(s, "if (object->obj)\ndelete (", classname, " *) (object->obj);\n", NIL);
|
|
Printf(s, "}\n");
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* constructorHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int constructorHandler(Node *n) {
|
|
if (Getattr(n, "copy_constructor"))
|
|
return copyconstructorHandler(n);
|
|
|
|
Node *klass = Swig_methodclass(n);
|
|
String *classname = Getattr(klass, "classtype");
|
|
String *newclassname = Getattr(klass, "sym:name");
|
|
String *sobj_name = NewString("");
|
|
String *ctype;
|
|
String *stype;
|
|
String *code = NewString("");
|
|
String *constr_name = NewString("");
|
|
String *arg_lnames = NewString("");
|
|
ParmList *parms = Getattr(n, "parms");
|
|
|
|
|
|
// prepare argument names
|
|
Append(arg_lnames, Swig_cfunction_call(empty_string, parms));
|
|
|
|
// set the function return type to the pointer to struct
|
|
Printf(sobj_name, "SwigObj");
|
|
ctype = Copy(sobj_name);
|
|
SwigType_add_pointer(ctype);
|
|
Setattr(n, "type", ctype);
|
|
Setattr(n, "c:objstruct", "1");
|
|
stype = Copy(newclassname);
|
|
SwigType_add_pointer(stype);
|
|
Setattr(n, "c:stype", stype);
|
|
|
|
// modify the constructor name
|
|
constr_name = Swig_name_construct(newclassname);
|
|
Setattr(n, "name", constr_name);
|
|
Setattr(n, "sym:name", constr_name);
|
|
|
|
// generate action code
|
|
add_to_create_object(n, classname, newclassname);
|
|
Printv(code, "result = SWIG_create_object(\"", classname, "\");\n", NIL);
|
|
Printv(code, "result->obj = (void*) new ", classname, arg_lnames, ";\n", NIL);
|
|
Printf(code, "SWIG_add_registry_entry(result);\n");
|
|
|
|
Setattr(n, "wrap:action", code);
|
|
|
|
functionWrapper(n);
|
|
|
|
Delete(arg_lnames);
|
|
Delete(constr_name);
|
|
Delete(code);
|
|
Delete(stype);
|
|
Delete(ctype);
|
|
Delete(sobj_name);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* copyconstructorHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int copyconstructorHandler(Node *n) {
|
|
Node *klass = Swig_methodclass(n);
|
|
String *classname = Getattr(klass, "classtype");
|
|
String *newclassname = Getattr(klass, "sym:name");
|
|
String *sobj_name = NewString("");
|
|
String *ctype;
|
|
String *stype;
|
|
String *code = NewString("");
|
|
String *constr_name = NewString("");
|
|
ParmList *parms = Getattr(n, "parms");
|
|
|
|
Setattr(parms, "lname", "arg1");
|
|
|
|
// set the function return type to the pointer to struct
|
|
Printf(sobj_name, "SwigObj");
|
|
ctype = Copy(sobj_name);
|
|
SwigType_add_pointer(ctype);
|
|
Setattr(n, "type", ctype);
|
|
Setattr(n, "c:objstruct", "1");
|
|
stype = Copy(newclassname);
|
|
SwigType_add_pointer(stype);
|
|
Setattr(n, "c:stype", stype);
|
|
|
|
// modify the constructor name
|
|
constr_name = Swig_name_construct(newclassname);
|
|
Setattr(n, "name", constr_name);
|
|
Setattr(n, "sym:name", constr_name);
|
|
|
|
// generate action code
|
|
add_to_create_object(n, classname, newclassname);
|
|
Printv(code, "result = SWIG_create_object(\"", classname, "\");\n", NIL);
|
|
Printv(code, "result->obj = (void*) new ", classname, "((", classname, " const &)*arg1);\n", NIL);
|
|
|
|
Setattr(n, "wrap:action", code);
|
|
|
|
functionWrapper(n);
|
|
|
|
Delete(constr_name);
|
|
Delete(code);
|
|
Delete(stype);
|
|
Delete(ctype);
|
|
Delete(sobj_name);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* destructorHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int destructorHandler(Node *n) {
|
|
String *newclassname = Getattr(Swig_methodclass(n), "sym:name");
|
|
String *sobj_name = NewString("");
|
|
String *ctype;
|
|
String *stype;
|
|
String *code = NewString("");
|
|
String *destr_name = NewString("");
|
|
Parm *p;
|
|
|
|
// create first argument
|
|
Printf(sobj_name, "SwigObj");
|
|
ctype = Copy(sobj_name);
|
|
SwigType_add_pointer(ctype);
|
|
p = NewParm(ctype, "self");
|
|
Setattr(p, "lname", "arg1");
|
|
stype = Copy(newclassname);
|
|
SwigType_add_pointer(stype);
|
|
Setattr(p, "c:stype", stype);
|
|
Setattr(p, "c:objstruct", "1");
|
|
Setattr(n, "parms", p);
|
|
Setattr(n, "type", "void");
|
|
|
|
// modify the destructor name
|
|
destr_name = Swig_name_destroy(newclassname);
|
|
Setattr(n, "sym:name", destr_name);
|
|
|
|
// create action code
|
|
Printf(code, "SWIG_remove_registry_entry(carg1);\n");
|
|
Printf(code, "SWIG_destroy_object(arg1);\n");
|
|
Setattr(n, "wrap:action", code);
|
|
|
|
functionWrapper(n);
|
|
|
|
Delete(p);
|
|
Delete(destr_name);
|
|
Delete(code);
|
|
Delete(stype);
|
|
Delete(ctype);
|
|
Delete(sobj_name);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* enumDeclaration()
|
|
*
|
|
* for enums declared inside class we create global enum declaration
|
|
* and change enum parameter and return value names
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int enumDeclaration(Node *n) {
|
|
if (!proxy_flag)
|
|
return SWIG_OK;
|
|
String *newclassname = Getattr(Swig_methodclass(n), "sym:name");
|
|
String *name = Getattr(n, "sym:name");
|
|
String *code = NewString("");
|
|
String *tdname = Getattr(n, "tdname");
|
|
String *newname = newclassname ? NewStringf("%s_", newclassname) : Copy(name);
|
|
Symtab *symtab = Getattr(n, "sym:symtab");
|
|
|
|
if (tdname)
|
|
Printf(code, "typedef ");
|
|
|
|
Printf(code, "enum ");
|
|
|
|
if (Delattr(n, "unnamed")) {
|
|
// unnamed enum declaration: create new symbol
|
|
Replaceall(name, "$unnamed", "enum");
|
|
Delitem(name, DOH_END);
|
|
|
|
Node *entry = NewHash();
|
|
set_nodeType(entry, "enum");
|
|
Setattr(entry, "name", name);
|
|
Setattr(entry, "sym:name", name);
|
|
Setattr(entry, "sym:symtab", symtab);
|
|
Swig_symbol_add(name, entry);
|
|
}
|
|
|
|
if (newclassname) {
|
|
if (symtab) {
|
|
Node *node = Swig_symbol_clookup(name, symtab);
|
|
if (node) {
|
|
Append(newname, name);
|
|
Setattr(node, "name", newname);
|
|
}
|
|
}
|
|
}
|
|
Printv(code, newname ? newname : "", " {\n$enumvalues\n} ", tdname ? tdname : "", ";\n\n", NIL);
|
|
emit_children(n);
|
|
if (enum_values) {
|
|
Replaceall(code, "$enumvalues", enum_values);
|
|
Append(f_proxy_header, code);
|
|
if (newclassname)
|
|
Append(f_header, code);
|
|
Delete(enum_values);
|
|
enum_values = 0;
|
|
}
|
|
|
|
Delete(newname);
|
|
Delete(code);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* enumvalueDeclaration()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int enumvalueDeclaration(Node *n) {
|
|
String *name = Getattr(n, "sym:name");
|
|
String *enumvalue = Getattr(n, "enumvalue");
|
|
String *init = 0;
|
|
if (enumvalue) {
|
|
char *value_repr = Char(enumvalue);
|
|
if (value_repr)
|
|
if (!isdigit(*value_repr) && *value_repr != '+' && *value_repr != '-') {
|
|
init = NewStringf(" = '%c'", *value_repr);
|
|
}
|
|
else
|
|
init = NewStringf(" = %s", enumvalue);
|
|
}
|
|
|
|
String *newclassname = Getattr(Swig_methodclass(parentNode(n)), "sym:name");
|
|
String *newname = NewStringf("%s_%s", newclassname, name);
|
|
int gencomma = 1;
|
|
if (!enum_values) {
|
|
enum_values = NewString("");
|
|
gencomma = 0;
|
|
}
|
|
Printv(enum_values, gencomma ? ",\n " : " ", newclassname ? newname : name, enumvalue ? init : "", NIL);
|
|
Delete(newname);
|
|
if (init)
|
|
Delete(init);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* typedefHandler()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int typedefHandler(Node *n) {
|
|
if (!proxy_flag)
|
|
return SWIG_OK;
|
|
String *name = Getattr(n, "sym:name");
|
|
String *type = Getattr(n, "type");
|
|
char *c = Char(SwigType_str(type, 0));
|
|
if (strncmp(c, "enum", 4) != 0) {
|
|
if (name && type) {
|
|
String *code = NewStringf("typedef %s %s;\n\n", type, name);
|
|
Append(f_proxy_header, code);
|
|
Delete(code);
|
|
}
|
|
}
|
|
return SWIG_OK;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------
|
|
* constantWrapper()
|
|
* --------------------------------------------------------------------- */
|
|
|
|
virtual int constantWrapper(Node *n) {
|
|
if (!proxy_flag)
|
|
return SWIG_OK;
|
|
String *name = Getattr(n, "sym:name");
|
|
String *value = Getattr(n, "value");
|
|
Printv(f_proxy_header, "#define ", name, " ", value, "\n", NIL);
|
|
return SWIG_OK;
|
|
}
|
|
|
|
}; /* class C */
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* swig_c() - Instantiate module
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
static Language *new_swig_c() {
|
|
return new C();
|
|
}
|
|
|
|
extern "C" Language *swig_c(void) {
|
|
return new_swig_c();
|
|
}
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* Static member variables
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
const char *C::usage = (char *) "\
|
|
C Options (available with -c)\n\
|
|
-noproxy - do not generate proxy interface\n\
|
|
-noruntime - disable runtime error checking\n\
|
|
\n";
|
|
|