Beispiel #1
0
void
CFCC_write_man_pages(CFCC *self) {
    CFCHierarchy  *hierarchy = self->hierarchy;
    CFCClass     **ordered   = CFCHierarchy_ordered_classes(hierarchy);

    size_t num_classes = 0;
    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (!CFCClass_included(klass)) { ++num_classes; }
    }
    char **man_pages = (char**)CALLOCATE(num_classes, sizeof(char*));

    // Generate man pages, but don't write.  That way, if there's an error
    // while generating the pages, we leak memory but don't clutter up the file 
    // system.
    for (size_t i = 0, j = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_included(klass)) { continue; }

        char *man_page = CFCCMan_create_man_page(klass);
        man_pages[j++] = man_page;
    }

    const char *dest = CFCHierarchy_get_dest(hierarchy);
    char *man3_path
        = CFCUtil_sprintf("%s" CHY_DIR_SEP "man" CHY_DIR_SEP "man3", dest);
    if (!CFCUtil_is_dir(man3_path)) {
        CFCUtil_make_path(man3_path);
        if (!CFCUtil_is_dir(man3_path)) {
            CFCUtil_die("Can't make path %s", man3_path);
        }
    }

    // Write out any man pages that have changed.
    for (size_t i = 0, j = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_included(klass)) { continue; }

        char *raw_man_page = man_pages[j++];
        if (!raw_man_page) { continue; }
        char *man_page = CFCUtil_sprintf("%s%s%s", self->man_header,
                                         raw_man_page, self->man_footer);

        const char *full_struct_sym = CFCClass_full_struct_sym(klass);
        char *filename = CFCUtil_sprintf("%s" CHY_DIR_SEP "%s.3", man3_path,
                                         full_struct_sym);
        CFCUtil_write_if_changed(filename, man_page, strlen(man_page));
        FREEMEM(filename);
        FREEMEM(man_page);
        FREEMEM(raw_man_page);
    }

    FREEMEM(man3_path);
    FREEMEM(man_pages);
    FREEMEM(ordered);
}
Beispiel #2
0
void
CFCPerlTypeMap_write_xs_typemap(CFCHierarchy *hierarchy) {
    CFCClass **classes = CFCHierarchy_ordered_classes(hierarchy);
    char *start  = CFCUtil_strdup("");
    char *input  = CFCUtil_strdup("");
    char *output = CFCUtil_strdup("");
    for (int i = 0; classes[i] != NULL; i++) {
        CFCClass *klass = classes[i];
        if (CFCClass_included(klass)) { continue; }

        const char *full_struct_sym = CFCClass_full_struct_sym(klass);
        const char *vtable_var      = CFCClass_full_vtable_var(klass);

        start = CFCUtil_cat(start, full_struct_sym, "*\t", vtable_var, "_\n",
                            NULL);
        input = CFCUtil_cat(input, vtable_var, "_\n"
                            "    $var = (", full_struct_sym,
                            "*)XSBind_sv_to_cfish_obj($arg, ", vtable_var,
                            ", NULL);\n\n", NULL);

        output = CFCUtil_cat(output, vtable_var, "_\n"
                             "    $arg = (SV*)Cfish_Obj_To_Host((cfish_Obj*)$var);\n"
                             "    CFISH_DECREF($var);\n"
                             "\n", NULL);
    }

    char *content = CFCUtil_strdup("");
    content = CFCUtil_cat(content, typemap_start, start, "\n\n",
                          typemap_input, input, "\n\n",
                          typemap_output, output, "\n\n", NULL);
    CFCUtil_write_if_changed("typemap", content, strlen(content));

    FREEMEM(content);
    FREEMEM(output);
    FREEMEM(input);
    FREEMEM(start);
    FREEMEM(classes);
}
Beispiel #3
0
static void
S_write_parcel_c(CFCBindCore *self, CFCParcel *parcel) {
    CFCHierarchy *hierarchy = self->hierarchy;
    const char   *prefix    = CFCParcel_get_prefix(parcel);

    // Aggregate C code for the parcel.
    char *privacy_syms = CFCUtil_strdup("");
    char *includes     = CFCUtil_strdup("");
    char *c_data       = CFCUtil_strdup("");
    CFCBindSpecs *specs = CFCBindSpecs_new();
    CFCClass **ordered = CFCHierarchy_ordered_classes(hierarchy);

    for (int i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        const char *class_prefix = CFCClass_get_prefix(klass);
        if (strcmp(class_prefix, prefix) != 0) { continue; }

        const char *include_h = CFCClass_include_h(klass);
        includes = CFCUtil_cat(includes, "#include \"", include_h,
                               "\"\n", NULL);

        CFCBindClass *class_binding = CFCBindClass_new(klass);

        char *class_c_data = CFCBindClass_to_c_data(class_binding);
        c_data = CFCUtil_cat(c_data, class_c_data, "\n", NULL);
        FREEMEM(class_c_data);

        CFCBindSpecs_add_class(specs, klass);

        const char *privacy_sym = CFCClass_privacy_symbol(klass);
        privacy_syms = CFCUtil_cat(privacy_syms, "#define ",
                                   privacy_sym, "\n", NULL);

        CFCBase_decref((CFCBase*)class_binding);
    }

    char *spec_defs      = CFCBindSpecs_defs(specs);
    char *spec_init_func = CFCBindSpecs_init_func_def(specs);
    FREEMEM(ordered);

    // Bootstrapping code for prerequisite parcels.
    //
    // bootstrap_inheritance() first calls bootstrap_inheritance() for all
    // parcels from which classes are inherited. Then the Classes of the parcel
    // are initialized. It aborts on recursive invocation.
    //
    // bootstrap_parcel() first calls bootstrap_inheritance() of its own
    // parcel. Then it calls bootstrap_parcel() for all prerequisite parcels.
    // Finally, it calls init_parcel(). Recursive invocation is allowed.

    char *inh_bootstrap    = CFCUtil_strdup("");
    char *prereq_bootstrap = CFCUtil_strdup("");
    CFCParcel **inh_parcels = CFCParcel_inherited_parcels(parcel);
    for (size_t i = 0; inh_parcels[i]; ++i) {
        const char *inh_prefix = CFCParcel_get_prefix(inh_parcels[i]);
        inh_bootstrap = CFCUtil_cat(inh_bootstrap, "    ", inh_prefix,
                                    "bootstrap_inheritance();\n", NULL);
    }
    FREEMEM(inh_parcels);
    CFCParcel **prereq_parcels = CFCParcel_prereq_parcels(parcel);
    for (size_t i = 0; prereq_parcels[i]; ++i) {
        const char *prereq_prefix = CFCParcel_get_prefix(prereq_parcels[i]);
        prereq_bootstrap = CFCUtil_cat(prereq_bootstrap, "    ", prereq_prefix,
                                       "bootstrap_parcel();\n", NULL);
    }
    FREEMEM(prereq_parcels);

    char pattern[] =
        "%s\n"
        "\n"
        "#include <stdio.h>\n"
        "#include <stdlib.h>\n"
        "\n"
        "%s"
        "\n"
        "#include \"Clownfish/Class.h\"\n"   // Needed for bootstrap.
        "#include \"Clownfish/Err.h\"\n"     // Needed for abstract methods.
        "%s\n"
        "\n"
        "%s\n"
        "\n"
        "/* ClassSpec and MethSpec structs for initialization.\n"
        " */\n"
        "\n"
        "%s" // spec_defs
        "\n"
        "/* Code to initialize ClassSpec and MethSpec structs.\n"
        " */\n"
        "\n"
        "%s" // spec_init_func
        "\n"
        "static int bootstrap_state = 0;\n"
        "\n"
        "void\n"
        "%sbootstrap_inheritance() {\n"
        "    if (bootstrap_state == 1) {\n"
        "        fprintf(stderr, \"Cycle in class inheritance between\"\n"
        "                        \" parcels detected.\\n\");\n"
        "        abort();\n"
        "    }\n"
        "    if (bootstrap_state >= 2) { return; }\n"
        "    bootstrap_state = 1;\n"
        "%s" // Bootstrap inherited parcels.
        "    S_bootstrap_specs();\n"
        "    bootstrap_state = 2;\n"
        "}\n"
        "\n"
        "void\n"
        "%sbootstrap_parcel() {\n"
        "    if (bootstrap_state >= 3) { return; }\n"
        "    %sbootstrap_inheritance();\n"
        "    bootstrap_state = 3;\n"
        "%s" // Finish bootstrapping of all prerequisite parcels.
        "    %sinit_parcel();\n"
        "}\n"
        "\n"
        "%s\n";
    char *file_content
        = CFCUtil_sprintf(pattern, self->c_header, privacy_syms, includes,
                          c_data, spec_defs, spec_init_func, prefix,
                          inh_bootstrap, prefix, prefix, prereq_bootstrap,
                          prefix, self->c_footer);

    // Unlink then open file.
    const char *src_dest = CFCHierarchy_get_source_dest(hierarchy);
    char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sparcel.c", src_dest,
                                     prefix);
    remove(filepath);
    CFCUtil_write_file(filepath, file_content, strlen(file_content));
    FREEMEM(filepath);

    CFCBase_decref((CFCBase*)specs);
    FREEMEM(privacy_syms);
    FREEMEM(includes);
    FREEMEM(c_data);
    FREEMEM(spec_defs);
    FREEMEM(spec_init_func);
    FREEMEM(inh_bootstrap);
    FREEMEM(prereq_bootstrap);
    FREEMEM(file_content);
}
Beispiel #4
0
/* Write the "parcel.h" header file, which contains common symbols needed by
 * all classes, plus typedefs for all class structs.
 */
static void
S_write_parcel_h(CFCBindCore *self, CFCParcel *parcel) {
    CFCHierarchy *hierarchy   = self->hierarchy;
    const char   *prefix      = CFCParcel_get_prefix(parcel);
    const char   *PREFIX      = CFCParcel_get_PREFIX(parcel);
    const char   *privacy_sym = CFCParcel_get_privacy_sym(parcel);

    // Declare object structs and class singletons for all instantiable
    // classes.
    char *typedefs    = CFCUtil_strdup("");
    char *class_decls = CFCUtil_strdup("");
    CFCClass **ordered = CFCHierarchy_ordered_classes(hierarchy);
    for (int i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        const char *class_prefix = CFCClass_get_prefix(klass);
        if (strcmp(class_prefix, prefix) != 0) { continue; }

        if (!CFCClass_inert(klass)) {
            const char *full_struct = CFCClass_full_struct_sym(klass);
            typedefs = CFCUtil_cat(typedefs, "typedef struct ", full_struct,
                                   " ", full_struct, ";\n", NULL);
            const char *class_var = CFCClass_full_class_var(klass);
            class_decls = CFCUtil_cat(class_decls, "extern ", PREFIX,
                                      "VISIBLE cfish_Class *", class_var,
                                      ";\n", NULL);
        }
    }
    FREEMEM(ordered);

    // Special includes and macros for Clownfish parcel.
    const char *cfish_includes =
        "#include <stdarg.h>\n"
        "#include <stddef.h>\n"
        "\n"
        "#include \"cfish_platform.h\"\n"
        "#include \"cfish_hostdefs.h\"\n";

    // Special definitions for Clownfish parcel.
    const char *cfish_defs_1 =
        "#define CFISH_UNUSED_VAR(var) ((void)var)\n"
        "#define CFISH_UNREACHABLE_RETURN(type) return (type)0\n"
        "\n"
        "/* Generic method pointer.\n"
        " */\n"
        "typedef void\n"
        "(*cfish_method_t)(const void *vself);\n"
        "\n"
        "/* Access the function pointer for a given method from the class.\n"
        " */\n"
        "#define CFISH_METHOD_PTR(_class, _full_meth) \\\n"
        "     ((_full_meth ## _t)cfish_method(_class, _full_meth ## _OFFSET))\n"
        "\n"
        "static CFISH_INLINE cfish_method_t\n"
        "cfish_method(const void *klass, uint32_t offset) {\n"
        "    union { char *cptr; cfish_method_t *fptr; } ptr;\n"
        "    ptr.cptr = (char*)klass + offset;\n"
        "    return ptr.fptr[0];\n"
        "}\n"
        "\n"
        "typedef struct cfish_Dummy {\n"
        "   CFISH_OBJ_HEAD\n"
        "   void *klass;\n"
        "} cfish_Dummy;\n"
        "\n"
        "/* Access the function pointer for a given method from the object.\n"
        " */\n"
        "static CFISH_INLINE cfish_method_t\n"
        "cfish_obj_method(const void *object, uint32_t offset) {\n"
        "    cfish_Dummy *dummy = (cfish_Dummy*)object;\n"
        "    return cfish_method(dummy->klass, offset);\n"
        "}\n"
        "\n"
        "/* Access the function pointer for the given method in the\n"
        " * superclass. */\n"
        "#define CFISH_SUPER_METHOD_PTR(_class, _full_meth) \\\n"
        "     ((_full_meth ## _t)cfish_super_method(_class, \\\n"
        "                                           _full_meth ## _OFFSET))\n"
        "\n"
        "extern CFISH_VISIBLE uint32_t cfish_Class_offset_of_parent;\n"
        "static CFISH_INLINE cfish_method_t\n"
        "cfish_super_method(const void *klass, uint32_t offset) {\n"
        "    char *class_as_char = (char*)klass;\n"
        "    cfish_Class **parent_ptr\n"
        "        = (cfish_Class**)(class_as_char + cfish_Class_offset_of_parent);\n"
        "    return cfish_method(*parent_ptr, offset);\n"
        "}\n"
        "\n"
        "typedef void\n"
        "(*cfish_destroy_t)(void *vself);\n"
        "extern CFISH_VISIBLE uint32_t CFISH_Obj_Destroy_OFFSET;\n"
        "\n"
        "/** Invoke the [](.Destroy) method found in `klass` on\n"
        " * `self`.\n"
        " *\n"
        " * TODO: Eliminate this function if we can arrive at a proper SUPER syntax.\n"
        " */\n"
        "static CFISH_INLINE void\n"
        "cfish_super_destroy(void *vself, cfish_Class *klass) {\n"
        "    cfish_Obj *self = (cfish_Obj*)vself;\n"
        "    if (self != NULL) {\n"
        "        cfish_destroy_t super_destroy\n"
        "            = (cfish_destroy_t)cfish_super_method(klass, CFISH_Obj_Destroy_OFFSET);\n"
        "        super_destroy(self);\n"
        "    }\n"
        "}\n"
        "\n"
        "#define CFISH_SUPER_DESTROY(_self, _class) \\\n"
        "    cfish_super_destroy(_self, _class)\n"
        "\n"
        "extern CFISH_VISIBLE cfish_Obj*\n"
        "cfish_inc_refcount(void *vself);\n"
        "\n"
        "/** NULL-safe invocation invocation of `cfish_inc_refcount`.\n"
        " *\n"
        " * @return NULL if `self` is NULL, otherwise the return value\n"
        " * of `cfish_inc_refcount`.\n"
        " */\n"
        "static CFISH_INLINE cfish_Obj*\n"
        "cfish_incref(void *vself) {\n"
        "    if (vself != NULL) { return cfish_inc_refcount(vself); }\n"
        "    else { return NULL; }\n"
        "}\n"
        "\n"
        "#define CFISH_INCREF(_self) cfish_incref(_self)\n"
        "#define CFISH_INCREF_NN(_self) cfish_inc_refcount(_self)\n"
        "\n"
        "extern CFISH_VISIBLE uint32_t\n"
        "cfish_dec_refcount(void *vself);\n"
        "\n"
        "/** NULL-safe invocation of `cfish_dec_refcount`.\n"
        " *\n"
        " * @return NULL if `self` is NULL, otherwise the return value\n"
        " * of `cfish_dec_refcount`.\n"
        " */\n"
        "static CFISH_INLINE uint32_t\n"
        "cfish_decref(void *vself) {\n"
        "    if (vself != NULL) { return cfish_dec_refcount(vself); }\n"
        "    else { return 0; }\n"
        "}\n"
        "\n"
        "#define CFISH_DECREF(_self) cfish_decref(_self)\n"
        "#define CFISH_DECREF_NN(_self) cfish_dec_refcount(_self)\n"
        "\n"
        "extern CFISH_VISIBLE uint32_t\n"
        "cfish_get_refcount(void *vself);\n"
        "\n"
        "#define CFISH_REFCOUNT_NN(_self) \\\n"
        "    cfish_get_refcount(_self)\n"
        "\n"
        "/* Flags for internal use. */\n"
        "#define CFISH_fREFCOUNTSPECIAL 0x00000001\n"
        "#define CFISH_fFINAL           0x00000002\n"
        ;
    const char *cfish_defs_2 =
        "#ifdef CFISH_USE_SHORT_NAMES\n"
        "  #define UNUSED_VAR               CFISH_UNUSED_VAR\n"
        "  #define UNREACHABLE_RETURN       CFISH_UNREACHABLE_RETURN\n"
        "  #define METHOD_PTR               CFISH_METHOD_PTR\n"
        "  #define SUPER_METHOD_PTR         CFISH_SUPER_METHOD_PTR\n"
        "  #define SUPER_DESTROY(_self, _class) CFISH_SUPER_DESTROY(_self, _class)\n"
        "  #define INCREF(_self)                CFISH_INCREF(_self)\n"
        "  #define INCREF_NN(_self)             CFISH_INCREF_NN(_self)\n"
        "  #define DECREF(_self)                CFISH_DECREF(_self)\n"
        "  #define DECREF_NN(_self)             CFISH_DECREF_NN(_self)\n"
        "  #define REFCOUNT_NN(_self)           CFISH_REFCOUNT_NN(_self)\n"
        "#endif\n"
        "\n";

    char *extra_defs;
    char *extra_includes;
    if (CFCParcel_is_cfish(parcel)) {
        const char *spec_typedefs = CFCBindSpecs_get_typedefs();
        extra_defs = CFCUtil_sprintf("%s%s%s", cfish_defs_1, spec_typedefs,
                                     cfish_defs_2);
        extra_includes = CFCUtil_strdup(cfish_includes);
    }
    else {
        extra_defs = CFCUtil_strdup("");
        extra_includes = CFCUtil_strdup("");

        // Include parcel.h of prerequisite parcels.
        CFCParcel **prereq_parcels = CFCParcel_prereq_parcels(parcel);
        for (size_t i = 0; prereq_parcels[i]; ++i) {
            const char *prereq_prefix
                = CFCParcel_get_prefix(prereq_parcels[i]);
            extra_includes = CFCUtil_cat(extra_includes, "#include \"",
                                         prereq_prefix, "parcel.h\"\n", NULL);
        }
        FREEMEM(prereq_parcels);
    }

    const char pattern[] =
        "%s\n"
        "#ifndef CFISH_%sPARCEL_H\n"
        "#define CFISH_%sPARCEL_H 1\n"
        "\n"
        "#ifdef __cplusplus\n"
        "extern \"C\" {\n"
        "#endif\n"
        "\n"
        "%s" // Extra includes.
        "\n"
        "#ifdef %s\n"
        "  #define %sVISIBLE CFISH_EXPORT\n"
        "#else\n"
        "  #define %sVISIBLE CFISH_IMPORT\n"
        "#endif\n"
        "\n"
        "%s" // Typedefs.
        "\n"
        "%s" // Class singletons.
        "\n"
        "%s" // Extra definitions.
        "%sVISIBLE void\n"
        "%sbootstrap_inheritance();\n"
        "\n"
        "%sVISIBLE void\n"
        "%sbootstrap_parcel();\n"
        "\n"
        "void\n"
        "%sinit_parcel();\n"
        "\n"
        "#ifdef __cplusplus\n"
        "}\n"
        "#endif\n"
        "\n"
        "#endif /* CFISH_%sPARCEL_H */\n"
        "\n"
        "%s\n"
        "\n";
    char *file_content
        = CFCUtil_sprintf(pattern, self->c_header, PREFIX, PREFIX,
                          extra_includes, privacy_sym, PREFIX, PREFIX,
                          typedefs, class_decls, extra_defs, PREFIX, prefix,
                          PREFIX, prefix, prefix, PREFIX, self->c_footer);

    // Unlink then write file.
    const char *inc_dest = CFCHierarchy_get_include_dest(hierarchy);
    char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sparcel.h", inc_dest,
                                     prefix);
    remove(filepath);
    CFCUtil_write_file(filepath, file_content, strlen(file_content));
    FREEMEM(filepath);

    FREEMEM(typedefs);
    FREEMEM(class_decls);
    FREEMEM(extra_defs);
    FREEMEM(extra_includes);
    FREEMEM(file_content);
}
Beispiel #5
0
static void
S_write_module_file(CFCPython *self, CFCParcel *parcel, const char *dest) {
    const char *parcel_name = CFCParcel_get_name(parcel);
    char *pymod_name = CFCUtil_strdup(parcel_name);
    // TODO: Stop lowercasing when parcels are restricted to lowercase.
    for (int i = 0; pymod_name[i] != '\0'; i++) {
        pymod_name[i] = tolower(pymod_name[i]);
    }
    const char *last_dot = strrchr(pymod_name, '.');
    const char *last_component = last_dot != NULL
                                 ? last_dot + 1
                                 : pymod_name;
    char *helper_mod_name = CFCUtil_sprintf("%s._%s", pymod_name, last_component);
    for (int i = 0; helper_mod_name[i] != '\0'; i++) {
        helper_mod_name[i] = tolower(helper_mod_name[i]);
    }

    CFCClass  **ordered = CFCHierarchy_ordered_classes(self->hierarchy);
    CFCParcel **parcels = CFCParcel_all_parcels();
    char *callbacks          = S_gen_callbacks(self, parcel, ordered);
    char *type_linkups       = S_gen_type_linkups(self, parcel, ordered);
    char *pound_includes     = CFCUtil_strdup("");
    char *class_bindings     = S_gen_class_bindings(self, parcel, pymod_name, ordered);
    char *parcel_boots       = CFCUtil_strdup("");
    char *pytype_ready_calls = CFCUtil_strdup("");
    char *module_adds        = CFCUtil_strdup("");

    // Add parcel bootstrapping calls.
    for (size_t i = 0; parcels[i]; ++i) {
        if (!CFCParcel_included(parcels[i])) {
            const char *prefix = CFCParcel_get_prefix(parcels[i]);
            parcel_boots = CFCUtil_cat(parcel_boots, "    ", prefix,
                                       "bootstrap_parcel();\n", NULL);
        }
    }

    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_included(klass)) { continue; }
        const char *struct_sym = CFCClass_get_struct_sym(klass);

        const char *include_h  = CFCClass_include_h(klass);
        pound_includes = CFCUtil_cat(pound_includes, "#include \"",
                                     include_h, "\"\n", NULL);

        // The PyType_Ready invocations for instantiable classes are handled
        // via bootstrapping of Clownfish Class objects.  Since inert classes
        // do not at present have Class objects, we need to handle their
        // PyType_Ready calls independently.
        if (CFCClass_inert(klass)) {
            pytype_ready_calls = CFCUtil_cat(pytype_ready_calls,
                "    if (PyType_Ready(&", struct_sym,
                "_pytype_struct) < 0) { return NULL; }\n", NULL);
        }

        module_adds = CFCUtil_cat(module_adds, "    PyModule_AddObject(module, \"",
                                  struct_sym, "\", (PyObject*)&", struct_sym,
                                  "_pytype_struct);\n", NULL);
    }

    const char pattern[] =
        "%s\n"
        "\n"
        "#include \"Python.h\"\n"
        "#include \"cfish_parcel.h\"\n"
        "#include \"CFBind.h\"\n"
        "%s\n"
        "\n"
        "%s\n" // callbacks
        "\n"
        "static PyModuleDef module_def = {\n"
        "    PyModuleDef_HEAD_INIT,\n"
        "    \"%s\",\n" // module name
        "    NULL,\n" // docstring
        "    -1,\n"
        "    NULL, NULL, NULL, NULL, NULL\n"
        "};\n"
        "\n"
        "%s" // class bindings
        "\n"
        "%s" // S_link_py_types function
        "\n"
        "PyMODINIT_FUNC\n"
        "PyInit__%s(void) {\n"
        "    cfish_Class_bootstrap_hook1 = CFBind_class_bootstrap_hook1;\n"
        "\n"
        "%s\n" // PyType_Ready calls
        "\n"
        "    S_link_py_types();\n"
        "\n"
        "%s\n" // parcel boots
        "\n"
        "    PyObject *module = PyModule_Create(&module_def);\n"
        "%s\n" // Add types to module
        "\n"
        "    return module;\n"
        "}\n"
        "\n"
        "%s\n"
        "\n";

    char *content
        = CFCUtil_sprintf(pattern, self->header, pound_includes, callbacks,
                          helper_mod_name, class_bindings, type_linkups,
                          last_component, pytype_ready_calls, parcel_boots,
                          module_adds, self->footer);

    char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "_%s.c", dest,
                                     last_component);
    CFCUtil_write_if_changed(filepath, content, strlen(content));
    FREEMEM(filepath);

    FREEMEM(content);
    FREEMEM(module_adds);
    FREEMEM(pytype_ready_calls);
    FREEMEM(parcel_boots);
    FREEMEM(class_bindings);
    FREEMEM(helper_mod_name);
    FREEMEM(pymod_name);
    FREEMEM(pound_includes);
    FREEMEM(type_linkups);
    FREEMEM(callbacks);
    FREEMEM(ordered);
}
static void
S_run_basic_tests(CFCTest *test) {
    CFCHierarchy *hierarchy = CFCHierarchy_new(T_CFDEST);
    STR_EQ(test, CFCHierarchy_get_dest(hierarchy), T_CFDEST, "get_dest");
    STR_EQ(test, CFCHierarchy_get_include_dest(hierarchy), T_CFDEST_INCLUDE,
           "get_include_dest");
    STR_EQ(test, CFCHierarchy_get_source_dest(hierarchy), T_CFDEST_SOURCE,
           "get_source_dest");

    CFCHierarchy_add_source_dir(hierarchy, T_CFBASE);
    const char **source_dirs = CFCHierarchy_get_source_dirs(hierarchy);
    STR_EQ(test, source_dirs[0], T_CFBASE, "source_dirs[0]");
    OK(test, source_dirs[1] == NULL, "source_dirs[1]");

    CFCHierarchy_build(hierarchy);

    CFCFile **files  = CFCHierarchy_files(hierarchy);
    CFCFile  *animal = NULL;
    CFCFile  *dog    = NULL;
    CFCFile  *util   = NULL;
    for (int i = 0; i < 3; ++i) {
        CFCFile *file = files[i];
        OK(test, file != NULL, "files[%d]", i);
        OK(test, !CFCFile_get_modified(file), "start off not modified");

        CFCBase **blocks = CFCFile_blocks(file);
        for (int j = 0; blocks[j]; ++j) {
            CFCBase *block = blocks[j];
            const char *cfc_class_name = CFCBase_get_cfc_class(block);
            if (strcmp(cfc_class_name, "Clownfish::CFC::Model::Class") == 0) {
                CFCClass *klass = (CFCClass*)block;
                const char *class_name = CFCClass_get_name(klass);
                if (strcmp(class_name, "Animal") == 0) {
                    animal = file;
                }
                else if (strcmp(class_name, "Animal::Dog") == 0) {
                    dog = file;
                }
                else if (strcmp(class_name, "Animal::Util") == 0) {
                    util = file;
                }
            }
        }
    }
    OK(test, files[3] == NULL, "recursed and found all three files");

    {
        CFCClass **ordered_classes = CFCHierarchy_ordered_classes(hierarchy);
        OK(test, ordered_classes[0] != NULL, "ordered_classes[0]");
        OK(test, ordered_classes[1] != NULL, "ordered_classes[1]");
        OK(test, ordered_classes[2] != NULL, "ordered_classes[2]");
        OK(test, ordered_classes[3] != NULL, "ordered_classes[3]");
        OK(test, ordered_classes[4] == NULL, "all classes");
        FREEMEM(ordered_classes);
    }

    // Generate fake C files, with times set to two seconds ago.
    time_t now       = time(NULL);
    time_t past_time = now - 2;
    static const char *const h_paths[] = {
        T_CFDEST_INCLUDE CHY_DIR_SEP "Animal.h",
        T_CFDEST_INCLUDE CHY_DIR_SEP "Animal" CHY_DIR_SEP "Dog.h",
        T_CFDEST_INCLUDE CHY_DIR_SEP "Animal" CHY_DIR_SEP "Util.h"
    };
    OK(test, CFCUtil_make_path(T_CFDEST_INCLUDE CHY_DIR_SEP "Animal"),
       "make_path");
    for (int i = 0; i < 3; ++i) {
        const char *h_path  = h_paths[i];
        const char *content = "#include <stdio.h>\n";
        CFCUtil_write_file(h_path, content, strlen(content));
        CFCTest_set_file_times(h_path, past_time);
    }

    char *cfh_path = CFCFile_cfh_path(animal, T_CFBASE);
    CFCTest_set_file_times(cfh_path, now);
    FREEMEM(cfh_path);

    CFCHierarchy_propagate_modified(hierarchy, 0);

    OK(test, CFCFile_get_modified(animal), "Animal modified");
    OK(test, CFCFile_get_modified(dog),
       "Parent's modification propagates to child's file");
    OK(test, !CFCFile_get_modified(util),
       "Modification doesn't propagate to inert class");

    for (int i = 0; i < 3; ++i) {
        remove(h_paths[i]);
    }
    rmdir(T_CFDEST_INCLUDE CHY_DIR_SEP "Animal");
    rmdir(T_CFDEST_INCLUDE);
    rmdir(T_CFDEST_SOURCE);
    rmdir(T_CFDEST);

    CFCBase_decref((CFCBase*)hierarchy);
    CFCClass_clear_registry();
    CFCParcel_reap_singletons();
}
static void
S_run_include_tests(CFCTest *test) {
    {
        CFCHierarchy *hierarchy = CFCHierarchy_new(T_CFDEST);
        CFCHierarchy_add_source_dir(hierarchy, T_CFEXT);
        CFCHierarchy_add_include_dir(hierarchy, T_CFBASE);
        const char **include_dirs = CFCHierarchy_get_include_dirs(hierarchy);
        STR_EQ(test, include_dirs[0], T_CFBASE, "include_dirs[0]");
        OK(test, include_dirs[1] == NULL, "include_dirs[1]");

        CFCHierarchy_build(hierarchy);

        CFCClass **classes    = CFCHierarchy_ordered_classes(hierarchy);
        CFCClass  *rottweiler = NULL;;
        int num_classes;
        int num_source_classes = 0;
        for (num_classes = 0; classes[num_classes]; ++num_classes) {
            CFCClass *klass = classes[num_classes];
            int expect_included = 1;
            const char *class_name = CFCClass_get_name(klass);
            if (strcmp(class_name, "Animal::Rottweiler") == 0) {
                rottweiler      = klass;
                expect_included = 0;
                ++num_source_classes;
            }
            INT_EQ(test, CFCClass_included(klass), expect_included,
                   "included");
        }
        INT_EQ(test, num_classes, 5, "class count");
        INT_EQ(test, num_source_classes, 1, "source class count");
        STR_EQ(test, CFCClass_get_name(CFCClass_get_parent(rottweiler)),
               "Animal::Dog", "parent of included class");

        FREEMEM(classes);
        CFCBase_decref((CFCBase*)hierarchy);
        CFCClass_clear_registry();
        CFCParcel_reap_singletons();
    }

    {
        CFCHierarchy *hierarchy = CFCHierarchy_new(T_CFDEST);
        CFCHierarchy_add_source_dir(hierarchy, T_CFBASE);
        CFCHierarchy_add_source_dir(hierarchy, T_CFEXT);

        CFCHierarchy_build(hierarchy);

        CFCClass **classes    = CFCHierarchy_ordered_classes(hierarchy);
        CFCClass  *rottweiler = NULL;;
        int num_classes;
        for (num_classes = 0; classes[num_classes]; ++num_classes) {
            CFCClass *klass = classes[num_classes];
            const char *class_name = CFCClass_get_name(klass);
            if (strcmp(class_name, "Animal::Rottweiler") == 0) {
                rottweiler = klass;
            }
            OK(test, !CFCClass_included(klass), "not included");
        }
        INT_EQ(test, num_classes, 5, "class count");
        OK(test, rottweiler != NULL, "found rottweiler");
        STR_EQ(test, CFCClass_get_name(CFCClass_get_parent(rottweiler)),
               "Animal::Dog", "parent of class from second source");

        FREEMEM(classes);
        CFCBase_decref((CFCBase*)hierarchy);
        CFCClass_clear_registry();
        CFCParcel_reap_singletons();
    }

    {
        CFCHierarchy *hierarchy = CFCHierarchy_new(T_CFDEST);
        CFCHierarchy_add_include_dir(hierarchy, T_CFBASE);
        CFCHierarchy_add_include_dir(hierarchy, T_CFEXT);
        CFCHierarchy_add_prereq(hierarchy, "AnimalExtension");

        CFCHierarchy_build(hierarchy);

        CFCParcel *animal = CFCParcel_fetch("Animal");
        OK(test, animal != NULL, "parcel Animal registered");
        OK(test, CFCParcel_required(animal), "parcel Animal required");
        CFCParcel *animal_ext = CFCParcel_fetch("AnimalExtension");
        OK(test, animal_ext != NULL, "parcel AnimalExtension registered");
        OK(test, CFCParcel_required(animal_ext),
           "parcel AnimalExtension required");

        CFCClass **classes = CFCHierarchy_ordered_classes(hierarchy);
        int num_classes = 0;
        while (classes[num_classes]) {
            ++num_classes;
        }
        INT_EQ(test, num_classes, 5, "class count");

        FREEMEM(classes);
        CFCBase_decref((CFCBase*)hierarchy);
        CFCClass_clear_registry();
        CFCParcel_reap_singletons();
    }

    rmdir(T_CFDEST_INCLUDE);
    rmdir(T_CFDEST_SOURCE);
    rmdir(T_CFDEST);
}
Beispiel #8
0
void
CFCPerl_write_bindings(CFCPerl *self, const char *boot_class,
                       CFCParcel **parcels) {
    CFCUTIL_NULL_CHECK(boot_class);
    CFCUTIL_NULL_CHECK(parcels);

    CFCClass     **ordered  = CFCHierarchy_ordered_classes(self->hierarchy);
    CFCPerlClass **registry = CFCPerlClass_registry();
    char *privacy_syms    = CFCUtil_strdup("");
    char *includes        = CFCUtil_strdup("");
    char *generated_xs    = CFCUtil_strdup("");
    char *class_specs     = CFCUtil_strdup("");
    char *xsub_specs      = CFCUtil_strdup("");
    char *bootstrap_calls = CFCUtil_strdup("");
    char *hand_rolled_xs  = CFCUtil_strdup("");

    for (size_t i = 0; parcels[i]; ++i) {
        CFCParcel *parcel = parcels[i];

        // Set host_module_name for parcel.
        if (!CFCParcel_included(parcel) && CFCParcel_is_installed(parcel)) {
            CFCParcel_set_host_module_name(parcel, boot_class);
        }

        // Bake the parcel privacy defines into the XS, so it can be compiled
        // without any extra compiler flags.
        const char *privacy_sym = CFCParcel_get_privacy_sym(parcel);
        privacy_syms = CFCUtil_cat(privacy_syms, "#define ", privacy_sym,
                                   "\n", NULL);

        // Bootstrap calls.
        const char *prefix = CFCParcel_get_prefix(parcel);
        includes = CFCUtil_cat(includes, "#include \"", prefix, "perl.h\"\n",
                               NULL);
        bootstrap_calls = CFCUtil_cat(bootstrap_calls, "    ", prefix,
                                      "bootstrap_perl();\n", NULL);
    }

    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];

        CFCParcel *parcel = CFCClass_get_parcel(klass);
        int found = false;
        for (size_t j = 0; parcels[j]; j++) {
            if (parcel == parcels[j]) {
                found = true;
                break;
            }
        }
        if (!found) { continue; }

        // Pound-includes for generated headers.
        const char *include_h = CFCClass_include_h(klass);
        includes = CFCUtil_cat(includes, "#include \"", include_h, "\"\n",
                               NULL);

        if (CFCClass_inert(klass)) { continue; }
        int num_xsubs = 0;

        // Constructors.
        CFCPerlConstructor **constructors
            = CFCPerlClass_constructor_bindings(klass);
        for (size_t j = 0; constructors[j] != NULL; j++) {
            CFCPerlSub *xsub = (CFCPerlSub*)constructors[j];

            // Add the XSUB function definition.
            char *xsub_def
                = CFCPerlConstructor_xsub_def(constructors[j], klass);
            generated_xs = CFCUtil_cat(generated_xs, xsub_def, "\n",
                                       NULL);
            FREEMEM(xsub_def);

            // Add XSUB initialization at boot.
            xsub_specs = S_add_xsub_spec(xsub_specs, xsub);
            num_xsubs += 1;

            CFCBase_decref((CFCBase*)constructors[j]);
        }
        FREEMEM(constructors);

        // Methods.
        CFCPerlMethod **methods = CFCPerlClass_method_bindings(klass);
        for (size_t j = 0; methods[j] != NULL; j++) {
            CFCPerlSub *xsub = (CFCPerlSub*)methods[j];

            // Add the XSUB function definition.
            char *xsub_def = CFCPerlMethod_xsub_def(methods[j], klass);
            generated_xs = CFCUtil_cat(generated_xs, xsub_def, "\n",
                                       NULL);
            FREEMEM(xsub_def);

            // Add XSUB initialization at boot.
            xsub_specs = S_add_xsub_spec(xsub_specs, xsub);
            num_xsubs += 1;

            CFCBase_decref((CFCBase*)methods[j]);
        }
        FREEMEM(methods);

        // Append XSBind_ClassSpec entry.
        const char *class_name = CFCClass_get_name(klass);
        CFCClass *parent = CFCClass_get_parent(klass);
        char *parent_name;
        if (parent) {
            parent_name = CFCUtil_sprintf("\"%s\"", CFCClass_get_name(parent));
        }
        else {
            parent_name = CFCUtil_strdup("NULL");
        }
        char *class_spec = CFCUtil_sprintf("{ \"%s\", %s, %d }", class_name,
                                           parent_name, num_xsubs);
        const char *sep = class_specs[0] == '\0' ? "" : ",\n";
        class_specs = CFCUtil_cat(class_specs, sep, "        ", class_spec,
                                  NULL);
        FREEMEM(class_spec);
        FREEMEM(parent_name);
    }

    // Hand-rolled XS.
    for (size_t i = 0; registry[i] != NULL; i++) {
        CFCPerlClass *perl_class = registry[i];

        CFCParcel *parcel = CFCPerlClass_get_parcel(perl_class);
        int found = false;
        for (size_t j = 0; parcels[j]; j++) {
            if (parcel == parcels[j]) {
                found = true;
                break;
            }
        }
        if (!found) { continue; }

        const char *xs = CFCPerlClass_get_xs_code(perl_class);
        hand_rolled_xs = CFCUtil_cat(hand_rolled_xs, xs, "\n", NULL);
    }

    const char pattern[] =
        "%s" // Header.
        "\n"
        "%s" // Privacy syms.
        "\n"
        "#include \"XSBind.h\"\n"
        "%s" // Includes.
        "\n"
        "#ifndef XS_INTERNAL\n"
        "  #define XS_INTERNAL XS\n"
        "#endif\n"
        "\n"
        "%s" // Generated XS.
        "\n"
        "MODULE = %s   PACKAGE = %s\n" // Boot class.
        "\n"
        "BOOT:\n"
        "{\n"
        "    static const cfish_XSBind_ClassSpec class_specs[] = {\n"
        "%s\n" // Class specs.
        "    };\n"
        "    static const cfish_XSBind_XSubSpec xsub_specs[] = {\n"
        "%s\n" // XSUB specs.
        "    };\n"
        "    size_t num_classes\n"
        "        = sizeof(class_specs) / sizeof(class_specs[0]);\n"
        "    const char* file = __FILE__;\n"
        "\n"
        "%s" // Bootstrap calls.
        "\n"
        "    cfish_XSBind_bootstrap(aTHX_ num_classes, class_specs,\n"
        "                           xsub_specs, file);\n"
        "}\n"
        "\n"
        "%s" // Hand-rolled XS.
        "\n"
        "%s"; // Footer
    char *contents
        = CFCUtil_sprintf(pattern, self->c_header, privacy_syms, includes,
                          generated_xs, boot_class, boot_class, class_specs,
                          xsub_specs, bootstrap_calls, hand_rolled_xs,
                          self->c_footer);

    // Derive path to generated .xs file.
    char *xs_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "%s.xs", self->lib_dir,
                                    boot_class);
    S_replace_double_colons(xs_path, CHY_DIR_SEP_CHAR);

    // Write out if there have been any changes.
    CFCUtil_write_if_changed(xs_path, contents, strlen(contents));

    FREEMEM(xs_path);
    FREEMEM(contents);
    FREEMEM(hand_rolled_xs);
    FREEMEM(bootstrap_calls);
    FREEMEM(xsub_specs);
    FREEMEM(class_specs);
    FREEMEM(generated_xs);
    FREEMEM(includes);
    FREEMEM(privacy_syms);
    FREEMEM(ordered);
}
Beispiel #9
0
static void
S_write_host_c(CFCPerl *self, CFCParcel *parcel) {
    CFCClass **ordered = CFCHierarchy_ordered_classes(self->hierarchy);
    const char  *prefix      = CFCParcel_get_prefix(parcel);
    const char  *privacy_sym = CFCParcel_get_privacy_sym(parcel);
    char        *includes    = CFCUtil_strdup("");
    char        *cb_defs     = CFCUtil_strdup("");
    char        *alias_adds  = CFCUtil_strdup("");

    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_inert(klass)) { continue; }
        const char *class_prefix = CFCClass_get_prefix(klass);
        if (strcmp(class_prefix, prefix) != 0) { continue; }

        const char *class_name = CFCClass_get_name(klass);

        const char *include_h = CFCClass_include_h(klass);
        includes = CFCUtil_cat(includes, "#include \"", include_h,
                               "\"\n", NULL);

        // Callbacks.
        CFCMethod **fresh_methods = CFCClass_fresh_methods(klass);
        for (int meth_num = 0; fresh_methods[meth_num] != NULL; meth_num++) {
            CFCMethod *method = fresh_methods[meth_num];

            // Define callback.
            if (CFCMethod_novel(method) && !CFCMethod_final(method)) {
                char *cb_def = CFCPerlMethod_callback_def(method, klass);
                cb_defs = CFCUtil_cat(cb_defs, cb_def, "\n", NULL);
                FREEMEM(cb_def);
            }
        }

        // Add class aliases.
        CFCPerlClass *class_binding = CFCPerlClass_singleton(class_name);
        if (class_binding) {
            const char *class_var = CFCClass_full_class_var(klass);
            const char **aliases
                = CFCPerlClass_get_class_aliases(class_binding);
            for (size_t j = 0; aliases[j] != NULL; j++) {
                const char *alias = aliases[j];
                int alias_len  = (int)strlen(alias);
                const char pattern[] =
                    "    cfish_Class_add_alias_to_registry("
                    "%s, \"%s\", %d);\n";
                char *alias_add
                    = CFCUtil_sprintf(pattern, class_var, alias, alias_len);
                alias_adds = CFCUtil_cat(alias_adds, alias_add, NULL);
                FREEMEM(alias_add);
            }

            char *metadata_code
                = CFCPerlClass_method_metadata_code(class_binding);
            alias_adds = CFCUtil_cat(alias_adds, metadata_code, NULL);
            FREEMEM(metadata_code);
        }
    }

    const char pattern[] =
        "%s"
        "\n"
        "#define %s\n"  // privacy_sym
        "\n"
        "#include \"%sperl.h\"\n"
        "#include \"XSBind.h\"\n"
        "#include \"Clownfish/Class.h\"\n"
        "#include \"Clownfish/Err.h\"\n"
        "#include \"Clownfish/Obj.h\"\n"
        "%s"
        "\n"
        "/* Avoid conflicts with Clownfish bool type. */\n"
        "#define HAS_BOOL\n"
        "#define PERL_NO_GET_CONTEXT\n"
        "#include \"EXTERN.h\"\n"
        "#include \"perl.h\"\n"
        "#include \"XSUB.h\"\n"
        "\n"
        "static void\n"
        "S_finish_callback_void(pTHX_ const char *meth_name) {\n"
        "    int count = call_method(meth_name, G_VOID | G_DISCARD);\n"
        "    if (count != 0) {\n"
        "        CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n"
        "                    meth_name, (int32_t)count);\n"
        "    }\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "}\n"
        "\n"
        "static CFISH_INLINE SV*\n"
        "SI_do_callback_sv(pTHX_ const char *meth_name) {\n"
        "    int count = call_method(meth_name, G_SCALAR);\n"
        "    if (count != 1) {\n"
        "        CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n"
        "                    meth_name, (int32_t)count);\n"
        "    }\n"
        "    dSP;\n"
        "    SV *return_sv = POPs;\n"
        "    PUTBACK;\n"
        "    return return_sv;\n"
        "}\n"
        "\n"
        "static int64_t\n"
        "S_finish_callback_i64(pTHX_ const char *meth_name) {\n"
        "    SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n"
        "    int64_t retval;\n"
        "    if (sizeof(IV) == 8) {\n"
        "        retval = (int64_t)SvIV(return_sv);\n"
        "    }\n"
        "    else {\n"
        "        if (SvIOK(return_sv)) {\n"
        "            // It's already no more than 32 bits, so don't convert.\n"
        "            retval = SvIV(return_sv);\n"
        "        }\n"
        "        else {\n"
        "            // Maybe lossy.\n"
        "            double temp = SvNV(return_sv);\n"
        "            retval = (int64_t)temp;\n"
        "        }\n"
        "    }\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "    return retval;\n"
        "}\n"
        "\n"
        "static double\n"
        "S_finish_callback_f64(pTHX_ const char *meth_name) {\n"
        "    SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n"
        "    double retval = SvNV(return_sv);\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "    return retval;\n"
        "}\n"
        "\n"
        "static cfish_Obj*\n"
        "S_finish_callback_obj(pTHX_ void *vself, const char *meth_name,\n"
        "                      int nullable) {\n"
        "    SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n"
        "    cfish_Obj *retval\n"
        "        = XSBind_perl_to_cfish_nullable(aTHX_ return_sv, CFISH_OBJ);\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "    if (!nullable && !retval) {\n"
        "        CFISH_THROW(CFISH_ERR, \"%%o#%%s cannot return NULL\",\n"
        "                    cfish_Obj_get_class_name((cfish_Obj*)vself),\n"
        "                    meth_name);\n"
        "    }\n"
        "    return retval;\n"
        "}\n"
	"\n"
        "%s"
        "\n"
        "void\n"
        "%sbootstrap_perl() {\n"
        "    dTHX;\n"
        "    %sbootstrap_parcel();\n"
        "\n"
        "%s"
        "}\n"
        "\n"
        "%s";
    char *content
        = CFCUtil_sprintf(pattern, self->c_header, privacy_sym, prefix,
                          includes, cb_defs, prefix, prefix, alias_adds,
                          self->c_footer);

    const char *src_dest = CFCHierarchy_get_source_dest(self->hierarchy);
    char *host_c_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sperl.c", src_dest,
                                        prefix);
    CFCUtil_write_file(host_c_path, content, strlen(content));
    FREEMEM(host_c_path);

    FREEMEM(content);
    FREEMEM(alias_adds);
    FREEMEM(cb_defs);
    FREEMEM(includes);
    FREEMEM(ordered);
}
Beispiel #10
0
static void
S_write_callbacks_c(CFCPerl *self) {
    CFCClass **ordered = CFCHierarchy_ordered_classes(self->hierarchy);
    static const char pattern[] =
        "%s"
        "\n"
        "#include \"XSBind.h\"\n"
        "#include \"callbacks.h\"\n"
        "\n"
        "static void\n"
        "S_finish_callback_void(const char *meth_name) {\n"
        "    int count = call_method(meth_name, G_VOID | G_DISCARD);\n"
        "    if (count != 0) {\n"
        "        CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n"
        "                    meth_name, (int32_t)count);\n"
        "    }\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "}\n"
        "\n"
        "static CFISH_INLINE SV*\n"
        "SI_do_callback_sv(const char *meth_name) {\n"
        "    int count = call_method(meth_name, G_SCALAR);\n"
        "    if (count != 1) {\n"
        "        CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n"
        "                    meth_name, (int32_t)count);\n"
        "    }\n"
        "    dSP;\n"
        "    SV *return_sv = POPs;\n"
        "    PUTBACK;\n"
        "    return return_sv;\n"
        "}\n"
        "\n"
        "static int64_t\n"
        "S_finish_callback_i64(const char *meth_name) {\n"
        "    SV *return_sv = SI_do_callback_sv(meth_name);\n"
        "    int64_t retval;\n"
        "    if (sizeof(IV) == 8) {\n"
        "        retval = (int64_t)SvIV(return_sv);\n"
        "    }\n"
        "    else {\n"
        "        if (SvIOK(return_sv)) {\n"
        "            // It's already no more than 32 bits, so don't convert.\n"
        "            retval = SvIV(return_sv);\n"
        "        }\n"
        "        else {\n"
        "            // Maybe lossy.\n"
        "            double temp = SvNV(return_sv);\n"
        "            retval = (int64_t)temp;\n"
        "        }\n"
        "    }\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "    return retval;\n"
        "}\n"
        "\n"
        "static double\n"
        "S_finish_callback_f64(const char *meth_name) {\n"
        "    SV *return_sv = SI_do_callback_sv(meth_name);\n"
        "    double retval = SvNV(return_sv);\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "    return retval;\n"
        "}\n"
        "\n"
        "static cfish_Obj*\n"
        "S_finish_callback_obj(void *vself, const char *meth_name,\n"
        "                      int nullable) {\n"
        "    SV *return_sv = SI_do_callback_sv(meth_name);\n"
        "    cfish_Obj *retval = XSBind_perl_to_cfish(return_sv);\n"
        "    FREETMPS;\n"
        "    LEAVE;\n"
        "    if (!nullable && !retval) {\n"
        "        CFISH_THROW(CFISH_ERR, \"%%o#%%s cannot return NULL\",\n"
        "                    CFISH_Obj_Get_Class_Name((cfish_Obj*)vself),\n"
        "                    meth_name);\n"
        "    }\n"
        "    return retval;\n"
        "}\n"
        "\n";
    char *content = CFCUtil_sprintf(pattern, self->header);

    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_inert(klass)) { continue; }

        CFCMethod **fresh_methods = CFCClass_fresh_methods(klass);
        for (int meth_num = 0; fresh_methods[meth_num] != NULL; meth_num++) {
            CFCMethod *method = fresh_methods[meth_num];

            // Define callback.
            if (CFCMethod_novel(method) && !CFCMethod_final(method)) {
                char *cb_def = CFCPerlMethod_callback_def(method);
                content = CFCUtil_cat(content, cb_def, "\n", NULL);
                FREEMEM(cb_def);
            }
        }
        FREEMEM(fresh_methods);
    }

    content = CFCUtil_cat(content, self->footer, NULL);

    // Write if changed.
    const char *src_dest = CFCHierarchy_get_source_dest(self->hierarchy);
    char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "callbacks.c",
                                     src_dest);
    CFCUtil_write_if_changed(filepath, content, strlen(content));

    FREEMEM(filepath);
    FREEMEM(content);
    FREEMEM(ordered);
}
Beispiel #11
0
void
CFCPerl_write_bindings(CFCPerl *self) {
    CFCClass **ordered = CFCHierarchy_ordered_classes(self->hierarchy);
    CFCPerlClass **registry = CFCPerlClass_registry();
    char *hand_rolled_xs   = CFCUtil_strdup("");
    char *generated_xs     = CFCUtil_strdup("");
    char *xs_init          = CFCUtil_strdup("");

    // Pound-includes for generated headers.
    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        // TODO: Don't include headers for parcels the source parcels don't
        // depend on.
        const char *include_h = CFCClass_include_h(klass);
        generated_xs = CFCUtil_cat(generated_xs, "#include \"", include_h,
                                   "\"\n", NULL);
    }
    generated_xs = CFCUtil_cat(generated_xs, "\n", NULL);

    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_included(klass)) { continue; }

        // Constructors.
        CFCPerlConstructor **constructors
            = CFCPerlClass_constructor_bindings(klass);
        for (size_t j = 0; constructors[j] != NULL; j++) {
            CFCPerlSub *xsub = (CFCPerlSub*)constructors[j];

            // Add the XSUB function definition.
            char *xsub_def = CFCPerlConstructor_xsub_def(constructors[j]);
            generated_xs = CFCUtil_cat(generated_xs, xsub_def, "\n",
                                       NULL);
            FREEMEM(xsub_def);

            // Add XSUB initialization at boot.
            xs_init = S_add_xs_init(xs_init, xsub);
        }
        FREEMEM(constructors);

        // Methods.
        CFCPerlMethod **methods = CFCPerlClass_method_bindings(klass);
        for (size_t j = 0; methods[j] != NULL; j++) {
            CFCPerlSub *xsub = (CFCPerlSub*)methods[j];

            // Add the XSUB function definition.
            char *xsub_def = CFCPerlMethod_xsub_def(methods[j]);
            generated_xs = CFCUtil_cat(generated_xs, xsub_def, "\n",
                                       NULL);
            FREEMEM(xsub_def);

            // Add XSUB initialization at boot.
            xs_init = S_add_xs_init(xs_init, xsub);
        }
        FREEMEM(methods);
    }

    // Hand-rolled XS.
    for (size_t i = 0; registry[i] != NULL; i++) {
        const char *xs = CFCPerlClass_get_xs_code(registry[i]);
        hand_rolled_xs = CFCUtil_cat(hand_rolled_xs, xs, "\n", NULL);
    }

    // Write out if there have been any changes.
    char *xs_file_contents
        = S_xs_file_contents(self, generated_xs, xs_init, hand_rolled_xs);
    CFCUtil_write_if_changed(self->xs_path, xs_file_contents,
                             strlen(xs_file_contents));

    FREEMEM(xs_file_contents);
    FREEMEM(hand_rolled_xs);
    FREEMEM(xs_init);
    FREEMEM(generated_xs);
    FREEMEM(ordered);
}
Beispiel #12
0
static void
S_write_boot_c(CFCPerl *self) {
    CFCClass  **ordered   = CFCHierarchy_ordered_classes(self->hierarchy);
    CFCParcel **parcels   = CFCParcel_all_parcels();
    char *pound_includes  = CFCUtil_strdup("");
    char *bootstrap_code  = CFCUtil_strdup("");
    char *alias_adds      = CFCUtil_strdup("");
    char *isa_pushes      = CFCUtil_strdup("");

    for (size_t i = 0; parcels[i]; ++i) {
        if (!CFCParcel_included(parcels[i])) {
            const char *prefix = CFCParcel_get_prefix(parcels[i]);
            bootstrap_code = CFCUtil_cat(bootstrap_code, "    ", prefix,
                                         "bootstrap_parcel();\n", NULL);
        }
    }

    for (size_t i = 0; ordered[i] != NULL; i++) {
        CFCClass *klass = ordered[i];
        if (CFCClass_included(klass)) { continue; }

        const char *class_name = CFCClass_get_class_name(klass);
        const char *include_h  = CFCClass_include_h(klass);
        pound_includes = CFCUtil_cat(pound_includes, "#include \"",
                                     include_h, "\"\n", NULL);

        if (CFCClass_inert(klass)) { continue; }

        // Add aliases for selected KinoSearch classes which allow old indexes
        // to be read.
        CFCPerlClass *class_binding = CFCPerlClass_singleton(class_name);
        if (class_binding) {
            const char *vtable_var = CFCClass_full_vtable_var(klass);
            const char **aliases
                = CFCPerlClass_get_class_aliases(class_binding);
            for (size_t j = 0; aliases[j] != NULL; j++) {
                const char *alias = aliases[j];
                size_t alias_len  = strlen(alias);
                const char pattern[] =
                    "    cfish_VTable_add_alias_to_registry("
                    "%s, \"%s\", %u);\n";
                char *alias_add
                    = CFCUtil_sprintf(pattern, vtable_var, alias,
                                      (unsigned)alias_len);
                alias_adds = CFCUtil_cat(alias_adds, alias_add, NULL);
                FREEMEM(alias_add);
            }

            char *metadata_code
                = CFCPerlClass_method_metadata_code(class_binding);
            alias_adds = CFCUtil_cat(alias_adds, metadata_code, NULL);
            FREEMEM(metadata_code);
        }

        CFCClass *parent = CFCClass_get_parent(klass);
        if (parent) {
            const char *parent_class_name = CFCClass_get_class_name(parent);
            isa_pushes
                = CFCUtil_cat(isa_pushes, "    isa = get_av(\"",
                              class_name, "::ISA\", 1);\n", NULL);
            isa_pushes
                = CFCUtil_cat(isa_pushes, "    av_push(isa, newSVpv(\"", 
                              parent_class_name, "\", 0));\n", NULL);
        }
    }

    const char pattern[] =
        "%s\n"
        "\n"
        "#include \"cfish_parcel.h\"\n"
        "#include \"EXTERN.h\"\n"
        "#include \"perl.h\"\n"
        "#include \"XSUB.h\"\n"
        "#include \"boot.h\"\n"
        "#include \"Clownfish/String.h\"\n"
        "#include \"Clownfish/VTable.h\"\n"
        "%s\n"
        "\n"
        "void\n"
        "%s() {\n"
        "%s"
        "\n"
        "%s"
        "\n"
        "    AV *isa;\n"
        "%s"
        "}\n"
        "\n"
        "%s\n"
        "\n";
    char *content
        = CFCUtil_sprintf(pattern, self->header, pound_includes,
                          self->boot_func, bootstrap_code, alias_adds,
                          isa_pushes, self->footer);

    const char *src_dest = CFCHierarchy_get_source_dest(self->hierarchy);
    char *boot_c_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "boot.c", src_dest);
    CFCUtil_write_file(boot_c_path, content, strlen(content));
    FREEMEM(boot_c_path);

    FREEMEM(content);
    FREEMEM(isa_pushes);
    FREEMEM(alias_adds);
    FREEMEM(bootstrap_code);
    FREEMEM(pound_includes);
    FREEMEM(parcels);
    FREEMEM(ordered);
}