|  | 
 | #include "aidl_language.h" | 
 | #include "options.h" | 
 | #include "search_path.h" | 
 | #include "Type.h" | 
 | #include "generate_java.h" | 
 | #include <unistd.h> | 
 | #include <fcntl.h> | 
 | #include <sys/param.h> | 
 | #include <sys/stat.h> | 
 |  | 
 | #include <stdio.h> | 
 | #include <stdlib.h> | 
 | #include <string.h> | 
 | #include <map> | 
 |  | 
 | #ifdef HAVE_MS_C_RUNTIME | 
 | #include <io.h> | 
 | #include <direct.h> | 
 | #include <sys/stat.h> | 
 | #endif | 
 |  | 
 | #ifndef O_BINARY | 
 | #  define O_BINARY  0 | 
 | #endif | 
 |  | 
 | // The following are gotten as the offset from the allowable id's between | 
 | // android.os.IBinder.FIRST_CALL_TRANSACTION=1 and | 
 | // android.os.IBinder.LAST_CALL_TRANSACTION=16777215 | 
 | #define MIN_USER_SET_METHOD_ID                0 | 
 | #define MAX_USER_SET_METHOD_ID                16777214 | 
 |  | 
 | using namespace std; | 
 |  | 
 | static void | 
 | test_document(document_item_type* d) | 
 | { | 
 |     while (d) { | 
 |         if (d->item_type == INTERFACE_TYPE_BINDER) { | 
 |             interface_type* c = (interface_type*)d; | 
 |             printf("interface %s %s {\n", c->package, c->name.data); | 
 |             interface_item_type *q = (interface_item_type*)c->interface_items; | 
 |             while (q) { | 
 |                 if (q->item_type == METHOD_TYPE) { | 
 |                     method_type *m = (method_type*)q; | 
 |                     printf("  %s %s(", m->type.type.data, m->name.data); | 
 |                     arg_type *p = m->args; | 
 |                     while (p) { | 
 |                         printf("%s %s",p->type.type.data,p->name.data); | 
 |                         if (p->next) printf(", "); | 
 |                         p=p->next; | 
 |                     } | 
 |                     printf(")"); | 
 |                     printf(";\n"); | 
 |                 } | 
 |                 q=q->next; | 
 |             } | 
 |             printf("}\n"); | 
 |         } | 
 |         else if (d->item_type == USER_DATA_TYPE) { | 
 |             user_data_type* b = (user_data_type*)d; | 
 |             if ((b->flattening_methods & PARCELABLE_DATA) != 0) { | 
 |                 printf("parcelable %s %s;\n", b->package, b->name.data); | 
 |             } | 
 |             if ((b->flattening_methods & RPC_DATA) != 0) { | 
 |                 printf("flattenable %s %s;\n", b->package, b->name.data); | 
 |             } | 
 |         } | 
 |         else { | 
 |             printf("UNKNOWN d=0x%08lx d->item_type=%d\n", (long)d, d->item_type); | 
 |         } | 
 |         d = d->next; | 
 |     } | 
 | } | 
 |  | 
 | // ========================================================== | 
 | int | 
 | convert_direction(const char* direction) | 
 | { | 
 |     if (direction == NULL) { | 
 |         return IN_PARAMETER; | 
 |     } | 
 |     if (0 == strcmp(direction, "in")) { | 
 |         return IN_PARAMETER; | 
 |     } | 
 |     if (0 == strcmp(direction, "out")) { | 
 |         return OUT_PARAMETER; | 
 |     } | 
 |     return INOUT_PARAMETER; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | struct import_info { | 
 |     const char* from; | 
 |     const char* filename; | 
 |     buffer_type statement; | 
 |     const char* neededClass; | 
 |     document_item_type* doc; | 
 |     struct import_info* next; | 
 | }; | 
 |  | 
 | document_item_type* g_document = NULL; | 
 | import_info* g_imports = NULL; | 
 |  | 
 | static void | 
 | main_document_parsed(document_item_type* d) | 
 | { | 
 |     g_document = d; | 
 | } | 
 |  | 
 | static void | 
 | main_import_parsed(buffer_type* statement) | 
 | { | 
 |     import_info* import = (import_info*)malloc(sizeof(import_info)); | 
 |     memset(import, 0, sizeof(import_info)); | 
 |     import->from = strdup(g_currentFilename); | 
 |     import->statement.lineno = statement->lineno; | 
 |     import->statement.data = strdup(statement->data); | 
 |     import->statement.extra = NULL; | 
 |     import->next = g_imports; | 
 |     import->neededClass = parse_import_statement(statement->data); | 
 |     g_imports = import; | 
 | } | 
 |  | 
 | static ParserCallbacks g_mainCallbacks = { | 
 |     &main_document_parsed, | 
 |     &main_import_parsed | 
 | }; | 
 |  | 
 | char* | 
 | parse_import_statement(const char* text) | 
 | { | 
 |     const char* end; | 
 |     int len; | 
 |  | 
 |     while (isspace(*text)) { | 
 |         text++; | 
 |     } | 
 |     while (!isspace(*text)) { | 
 |         text++; | 
 |     } | 
 |     while (isspace(*text)) { | 
 |         text++; | 
 |     } | 
 |     end = text; | 
 |     while (!isspace(*end) && *end != ';') { | 
 |         end++; | 
 |     } | 
 |     len = end-text; | 
 |  | 
 |     char* rv = (char*)malloc(len+1); | 
 |     memcpy(rv, text, len); | 
 |     rv[len] = '\0'; | 
 |  | 
 |     return rv; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static void | 
 | import_import_parsed(buffer_type* statement) | 
 | { | 
 | } | 
 |  | 
 | static ParserCallbacks g_importCallbacks = { | 
 |     &main_document_parsed, | 
 |     &import_import_parsed | 
 | }; | 
 |  | 
 | // ========================================================== | 
 | static int | 
 | check_filename(const char* filename, const char* package, buffer_type* name) | 
 | { | 
 |     const char* p; | 
 |     string expected; | 
 |     string fn; | 
 |     size_t len; | 
 |     char cwd[MAXPATHLEN]; | 
 |     bool valid = false; | 
 |  | 
 | #ifdef HAVE_WINDOWS_PATHS | 
 |     if (isalpha(filename[0]) && filename[1] == ':' | 
 |         && filename[2] == OS_PATH_SEPARATOR) { | 
 | #else | 
 |     if (filename[0] == OS_PATH_SEPARATOR) { | 
 | #endif | 
 |         fn = filename; | 
 |     } else { | 
 |         fn = getcwd(cwd, sizeof(cwd)); | 
 |         len = fn.length(); | 
 |         if (fn[len-1] != OS_PATH_SEPARATOR) { | 
 |             fn += OS_PATH_SEPARATOR; | 
 |         } | 
 |         fn += filename; | 
 |     } | 
 |  | 
 |     if (package) { | 
 |         expected = package; | 
 |         expected += '.'; | 
 |     } | 
 |  | 
 |     len = expected.length(); | 
 |     for (size_t i=0; i<len; i++) { | 
 |         if (expected[i] == '.') { | 
 |             expected[i] = OS_PATH_SEPARATOR; | 
 |         } | 
 |     } | 
 |  | 
 |     p = strchr(name->data, '.'); | 
 |     len = p ? p-name->data : strlen(name->data); | 
 |     expected.append(name->data, len); | 
 |      | 
 |     expected += ".aidl"; | 
 |  | 
 |     len = fn.length(); | 
 |     valid = (len >= expected.length()); | 
 |  | 
 |     if (valid) { | 
 |         p = fn.c_str() + (len - expected.length()); | 
 |  | 
 | #ifdef HAVE_WINDOWS_PATHS | 
 |         if (OS_PATH_SEPARATOR != '/') { | 
 |             // Input filename under cygwin most likely has / separators | 
 |             // whereas the expected string uses \\ separators. Adjust | 
 |             // them accordingly. | 
 |           for (char *c = const_cast<char *>(p); *c; ++c) { | 
 |                 if (*c == '/') *c = OS_PATH_SEPARATOR; | 
 |             } | 
 |         } | 
 | #endif | 
 |  | 
 | #ifdef OS_CASE_SENSITIVE | 
 |         valid = (expected == p); | 
 | #else | 
 |         valid = !strcasecmp(expected.c_str(), p); | 
 | #endif | 
 |     } | 
 |  | 
 |     if (!valid) { | 
 |         fprintf(stderr, "%s:%d interface %s should be declared in a file" | 
 |                 " called %s.\n", | 
 |                 filename, name->lineno, name->data, expected.c_str()); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     return 0; | 
 | } | 
 |  | 
 | static int | 
 | check_filenames(const char* filename, document_item_type* items) | 
 | { | 
 |     int err = 0; | 
 |     while (items) { | 
 |         if (items->item_type == USER_DATA_TYPE) { | 
 |             user_data_type* p = (user_data_type*)items; | 
 |             err |= check_filename(filename, p->package, &p->name); | 
 |         } | 
 |         else if (items->item_type == INTERFACE_TYPE_BINDER | 
 |                 || items->item_type == INTERFACE_TYPE_RPC) { | 
 |             interface_type* c = (interface_type*)items; | 
 |             err |= check_filename(filename, c->package, &c->name); | 
 |         } | 
 |         else { | 
 |             fprintf(stderr, "aidl: internal error unkown document type %d.\n", | 
 |                         items->item_type); | 
 |             return 1; | 
 |         } | 
 |         items = items->next; | 
 |     } | 
 |     return err; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static const char* | 
 | kind_to_string(int kind) | 
 | { | 
 |     switch (kind) | 
 |     { | 
 |         case Type::INTERFACE: | 
 |             return "an interface"; | 
 |         case Type::USERDATA: | 
 |             return "a user data"; | 
 |         default: | 
 |             return "ERROR"; | 
 |     } | 
 | } | 
 |  | 
 | static char* | 
 | rfind(char* str, char c) | 
 | { | 
 |     char* p = str + strlen(str) - 1; | 
 |     while (p >= str) { | 
 |         if (*p == c) { | 
 |             return p; | 
 |         } | 
 |         p--; | 
 |     } | 
 |     return NULL; | 
 | } | 
 |  | 
 | static int | 
 | gather_types(const char* filename, document_item_type* items) | 
 | { | 
 |     int err = 0; | 
 |     while (items) { | 
 |         Type* type; | 
 |         if (items->item_type == USER_DATA_TYPE) { | 
 |             user_data_type* p = (user_data_type*)items; | 
 |             type = new UserDataType(p->package ? p->package : "", p->name.data, | 
 |                     false, ((p->flattening_methods & PARCELABLE_DATA) != 0), | 
 |                     ((p->flattening_methods & RPC_DATA) != 0), filename, p->name.lineno); | 
 |         } | 
 |         else if (items->item_type == INTERFACE_TYPE_BINDER | 
 |                 || items->item_type == INTERFACE_TYPE_RPC) { | 
 |             interface_type* c = (interface_type*)items; | 
 |             type = new InterfaceType(c->package ? c->package : "", | 
 |                             c->name.data, false, c->oneway, | 
 |                             filename, c->name.lineno); | 
 |         } | 
 |         else { | 
 |             fprintf(stderr, "aidl: internal error %s:%d\n", __FILE__, __LINE__); | 
 |             return 1; | 
 |         } | 
 |  | 
 |         Type* old = NAMES.Find(type->QualifiedName()); | 
 |         if (old == NULL) { | 
 |             NAMES.Add(type); | 
 |  | 
 |             if (items->item_type == INTERFACE_TYPE_BINDER) { | 
 |                 // for interfaces, also add the stub and proxy types, we don't | 
 |                 // bother checking these for duplicates, because the parser | 
 |                 // won't let us do it. | 
 |                 interface_type* c = (interface_type*)items; | 
 |  | 
 |                 string name = c->name.data; | 
 |                 name += ".Stub"; | 
 |                 Type* stub = new Type(c->package ? c->package : "", | 
 |                                         name, Type::GENERATED, false, false, false, | 
 |                                         filename, c->name.lineno); | 
 |                 NAMES.Add(stub); | 
 |  | 
 |                 name = c->name.data; | 
 |                 name += ".Stub.Proxy"; | 
 |                 Type* proxy = new Type(c->package ? c->package : "", | 
 |                                         name, Type::GENERATED, false, false, false, | 
 |                                         filename, c->name.lineno); | 
 |                 NAMES.Add(proxy); | 
 |             } | 
 |             else if (items->item_type == INTERFACE_TYPE_RPC) { | 
 |                 // for interfaces, also add the service base type, we don't | 
 |                 // bother checking these for duplicates, because the parser | 
 |                 // won't let us do it. | 
 |                 interface_type* c = (interface_type*)items; | 
 |  | 
 |                 string name = c->name.data; | 
 |                 name += ".ServiceBase"; | 
 |                 Type* base = new Type(c->package ? c->package : "", | 
 |                                         name, Type::GENERATED, false, false, false, | 
 |                                         filename, c->name.lineno); | 
 |                 NAMES.Add(base); | 
 |             } | 
 |         } else { | 
 |             if (old->Kind() == Type::BUILT_IN) { | 
 |                 fprintf(stderr, "%s:%d attempt to redefine built in class %s\n", | 
 |                             filename, type->DeclLine(), | 
 |                             type->QualifiedName().c_str()); | 
 |                 err = 1; | 
 |             } | 
 |             else if (type->Kind() != old->Kind()) { | 
 |                 const char* oldKind = kind_to_string(old->Kind()); | 
 |                 const char* newKind = kind_to_string(type->Kind()); | 
 |  | 
 |                 fprintf(stderr, "%s:%d attempt to redefine %s as %s,\n", | 
 |                             filename, type->DeclLine(), | 
 |                             type->QualifiedName().c_str(), newKind); | 
 |                 fprintf(stderr, "%s:%d    previously defined here as %s.\n", | 
 |                             old->DeclFile().c_str(), old->DeclLine(), oldKind); | 
 |                 err = 1; | 
 |             } | 
 |         } | 
 |  | 
 |         items = items->next; | 
 |     } | 
 |     return err; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static bool | 
 | matches_keyword(const char* str) | 
 | { | 
 |     static const char* KEYWORDS[] = { "abstract", "assert", "boolean", "break", | 
 |         "byte", "case", "catch", "char", "class", "const", "continue", | 
 |         "default", "do", "double", "else", "enum", "extends", "final", | 
 |         "finally", "float", "for", "goto", "if", "implements", "import", | 
 |         "instanceof", "int", "interface", "long", "native", "new", "package", | 
 |         "private", "protected", "public", "return", "short", "static", | 
 |         "strictfp", "super", "switch", "synchronized", "this", "throw", | 
 |         "throws", "transient", "try", "void", "volatile", "while", | 
 |         "true", "false", "null", | 
 |         NULL | 
 |     }; | 
 |     const char** k = KEYWORDS; | 
 |     while (*k) { | 
 |         if (0 == strcmp(str, *k)) { | 
 |             return true; | 
 |         } | 
 |         k++; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | static int | 
 | check_method(const char* filename, int kind, method_type* m) | 
 | { | 
 |     int err = 0; | 
 |  | 
 |     // return type | 
 |     Type* returnType = NAMES.Search(m->type.type.data); | 
 |     if (returnType == NULL) { | 
 |         fprintf(stderr, "%s:%d unknown return type %s\n", filename, | 
 |                     m->type.type.lineno, m->type.type.data); | 
 |         err = 1; | 
 |         return err; | 
 |     } | 
 |  | 
 |     if (returnType == EVENT_FAKE_TYPE) { | 
 |         if (kind != INTERFACE_TYPE_RPC) { | 
 |             fprintf(stderr, "%s:%d event methods only supported for rpc interfaces\n", | 
 |                     filename, m->type.type.lineno); | 
 |             err = 1; | 
 |         } | 
 |     } else { | 
 |         if (!(kind == INTERFACE_TYPE_BINDER ? returnType->CanWriteToParcel() | 
 |                     : returnType->CanWriteToRpcData())) { | 
 |             fprintf(stderr, "%s:%d return type %s can't be marshalled.\n", filename, | 
 |                         m->type.type.lineno, m->type.type.data); | 
 |             err = 1; | 
 |         } | 
 |     } | 
 |  | 
 |     if (m->type.dimension > 0 && !returnType->CanBeArray()) { | 
 |         fprintf(stderr, "%s:%d return type %s%s can't be an array.\n", filename, | 
 |                 m->type.array_token.lineno, m->type.type.data, | 
 |                 m->type.array_token.data); | 
 |         err = 1; | 
 |     } | 
 |  | 
 |     if (m->type.dimension > 1) { | 
 |         fprintf(stderr, "%s:%d return type %s%s only one" | 
 |                 " dimensional arrays are supported\n", filename, | 
 |                 m->type.array_token.lineno, m->type.type.data, | 
 |                 m->type.array_token.data); | 
 |         err = 1; | 
 |     } | 
 |  | 
 |     int index = 1; | 
 |  | 
 |     arg_type* arg = m->args; | 
 |     while (arg) { | 
 |         Type* t = NAMES.Search(arg->type.type.data); | 
 |  | 
 |         // check the arg type | 
 |         if (t == NULL) { | 
 |             fprintf(stderr, "%s:%d parameter %s (%d) unknown type %s\n", | 
 |                     filename, m->type.type.lineno, arg->name.data, index, | 
 |                     arg->type.type.data); | 
 |             err = 1; | 
 |             goto next; | 
 |         } | 
 |  | 
 |         if (t == EVENT_FAKE_TYPE) { | 
 |             fprintf(stderr, "%s:%d parameter %s (%d) event can not be used as a parameter %s\n", | 
 |                     filename, m->type.type.lineno, arg->name.data, index, | 
 |                     arg->type.type.data); | 
 |             err = 1; | 
 |             goto next; | 
 |         } | 
 |          | 
 |         if (!(kind == INTERFACE_TYPE_BINDER ? t->CanWriteToParcel() : t->CanWriteToRpcData())) { | 
 |             fprintf(stderr, "%s:%d parameter %d: '%s %s' can't be marshalled.\n", | 
 |                         filename, m->type.type.lineno, index, | 
 |                         arg->type.type.data, arg->name.data); | 
 |             err = 1; | 
 |         } | 
 |  | 
 |         if (returnType == EVENT_FAKE_TYPE | 
 |                 && convert_direction(arg->direction.data) != IN_PARAMETER) { | 
 |             fprintf(stderr, "%s:%d parameter %d: '%s %s' All paremeters on events must be 'in'.\n", | 
 |                     filename, m->type.type.lineno, index, | 
 |                     arg->type.type.data, arg->name.data); | 
 |             err = 1; | 
 |             goto next; | 
 |         } | 
 |  | 
 |         if (arg->direction.data == NULL | 
 |                 && (arg->type.dimension != 0 || t->CanBeOutParameter())) { | 
 |             fprintf(stderr, "%s:%d parameter %d: '%s %s' can be an out" | 
 |                                 " parameter, so you must declare it as in," | 
 |                                 " out or inout.\n", | 
 |                         filename, m->type.type.lineno, index, | 
 |                         arg->type.type.data, arg->name.data); | 
 |             err = 1; | 
 |         } | 
 |  | 
 |         if (convert_direction(arg->direction.data) != IN_PARAMETER | 
 |                 && !t->CanBeOutParameter() | 
 |                 && arg->type.dimension == 0) { | 
 |             fprintf(stderr, "%s:%d parameter %d: '%s %s %s' can only be an in" | 
 |                             " parameter.\n", | 
 |                         filename, m->type.type.lineno, index, | 
 |                         arg->direction.data, arg->type.type.data, | 
 |                         arg->name.data); | 
 |             err = 1; | 
 |         } | 
 |  | 
 |         if (arg->type.dimension > 0 && !t->CanBeArray()) { | 
 |             fprintf(stderr, "%s:%d parameter %d: '%s %s%s %s' can't be an" | 
 |                     " array.\n", filename, | 
 |                     m->type.array_token.lineno, index, arg->direction.data, | 
 |                     arg->type.type.data, arg->type.array_token.data, | 
 |                     arg->name.data); | 
 |             err = 1; | 
 |         } | 
 |  | 
 |         if (arg->type.dimension > 1) { | 
 |             fprintf(stderr, "%s:%d parameter %d: '%s %s%s %s' only one" | 
 |                     " dimensional arrays are supported\n", filename, | 
 |                     m->type.array_token.lineno, index, arg->direction.data, | 
 |                     arg->type.type.data, arg->type.array_token.data, | 
 |                     arg->name.data); | 
 |             err = 1; | 
 |         } | 
 |  | 
 |         // check that the name doesn't match a keyword | 
 |         if (matches_keyword(arg->name.data)) { | 
 |             fprintf(stderr, "%s:%d parameter %d %s is named the same as a" | 
 |                     " Java or aidl keyword\n", | 
 |                     filename, m->name.lineno, index, arg->name.data); | 
 |             err = 1; | 
 |         } | 
 |          | 
 | next: | 
 |         index++; | 
 |         arg = arg->next; | 
 |     } | 
 |  | 
 |     return err; | 
 | } | 
 |  | 
 | static int | 
 | check_types(const char* filename, document_item_type* items) | 
 | { | 
 |     int err = 0; | 
 |     while (items) { | 
 |         // (nothing to check for USER_DATA_TYPE) | 
 |         if (items->item_type == INTERFACE_TYPE_BINDER | 
 |                 || items->item_type == INTERFACE_TYPE_RPC) { | 
 |             map<string,method_type*> methodNames; | 
 |             interface_type* c = (interface_type*)items; | 
 |  | 
 |             interface_item_type* member = c->interface_items; | 
 |             while (member) { | 
 |                 if (member->item_type == METHOD_TYPE) { | 
 |                     method_type* m = (method_type*)member; | 
 |  | 
 |                     err |= check_method(filename, items->item_type, m); | 
 |  | 
 |                     // prevent duplicate methods | 
 |                     if (methodNames.find(m->name.data) == methodNames.end()) { | 
 |                         methodNames[m->name.data] = m; | 
 |                     } else { | 
 |                         fprintf(stderr,"%s:%d attempt to redefine method %s,\n", | 
 |                                 filename, m->name.lineno, m->name.data); | 
 |                         method_type* old = methodNames[m->name.data]; | 
 |                         fprintf(stderr, "%s:%d    previously defined here.\n", | 
 |                                 filename, old->name.lineno); | 
 |                         err = 1; | 
 |                     } | 
 |                 } | 
 |                 member = member->next; | 
 |             } | 
 |         } | 
 |  | 
 |         items = items->next; | 
 |     } | 
 |     return err; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static int | 
 | exactly_one_interface(const char* filename, const document_item_type* items, const Options& options, | 
 |                       bool* onlyParcelable) | 
 | { | 
 |     if (items == NULL) { | 
 |         fprintf(stderr, "%s: file does not contain any interfaces\n", | 
 |                             filename); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     const document_item_type* next = items->next; | 
 |     // Allow parcelables to skip the "one-only" rule. | 
 |     if (items->next != NULL && next->item_type != USER_DATA_TYPE) { | 
 |         int lineno = -1; | 
 |         if (next->item_type == INTERFACE_TYPE_BINDER) { | 
 |             lineno = ((interface_type*)next)->interface_token.lineno; | 
 |         } | 
 |         else if (next->item_type == INTERFACE_TYPE_RPC) { | 
 |             lineno = ((interface_type*)next)->interface_token.lineno; | 
 |         } | 
 |         fprintf(stderr, "%s:%d aidl can only handle one interface per file\n", | 
 |                             filename, lineno); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     if (items->item_type == USER_DATA_TYPE) { | 
 |         *onlyParcelable = true; | 
 |         if (options.failOnParcelable) { | 
 |             fprintf(stderr, "%s:%d aidl can only generate code for interfaces, not" | 
 |                             " parcelables or flattenables,\n", filename, | 
 |                             ((user_data_type*)items)->keyword_token.lineno); | 
 |             fprintf(stderr, "%s:%d .aidl files that only declare parcelables or flattenables" | 
 |                             "may not go in the Makefile.\n", filename, | 
 |                             ((user_data_type*)items)->keyword_token.lineno); | 
 |             return 1; | 
 |         } | 
 |     } else { | 
 |         *onlyParcelable = false; | 
 |     } | 
 |  | 
 |     return 0; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | void | 
 | generate_dep_file(const Options& options, const document_item_type* items) | 
 | { | 
 |     /* we open the file in binary mode to ensure that the same output is | 
 |      * generated on all platforms !! | 
 |      */ | 
 |     FILE* to = NULL; | 
 |     if (options.autoDepFile) { | 
 |         string fileName = options.outputFileName + ".d"; | 
 |         to = fopen(fileName.c_str(), "wb"); | 
 |     } else { | 
 |         to = fopen(options.depFileName.c_str(), "wb"); | 
 |     } | 
 |  | 
 |     if (to == NULL) { | 
 |         return; | 
 |     } | 
 |  | 
 |     const char* slash = "\\"; | 
 |     import_info* import = g_imports; | 
 |     if (import == NULL) { | 
 |         slash = ""; | 
 |     } | 
 |  | 
 |     if (items->item_type == INTERFACE_TYPE_BINDER || items->item_type == INTERFACE_TYPE_RPC) { | 
 |         fprintf(to, "%s: \\\n", options.outputFileName.c_str()); | 
 |     } else { | 
 |         // parcelable: there's no output file. | 
 |         fprintf(to, " : \\\n"); | 
 |     } | 
 |     fprintf(to, "  %s %s\n", options.inputFileName.c_str(), slash); | 
 |  | 
 |     while (import) { | 
 |         if (import->next == NULL) { | 
 |             slash = ""; | 
 |         } | 
 |         if (import->filename) { | 
 |             fprintf(to, "  %s %s\n", import->filename, slash); | 
 |         } | 
 |         import = import->next; | 
 |     } | 
 |  | 
 |     fprintf(to, "\n"); | 
 |  | 
 |     // Output "<imported_file>: " so make won't fail if the imported file has | 
 |     // been deleted, moved or renamed in incremental build. | 
 |     import = g_imports; | 
 |     while (import) { | 
 |         if (import->filename) { | 
 |             fprintf(to, "%s :\n", import->filename); | 
 |         } | 
 |         import = import->next; | 
 |     } | 
 |  | 
 |     fclose(to); | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static string | 
 | generate_outputFileName2(const Options& options, const buffer_type& name, const char* package) | 
 | { | 
 |     string result; | 
 |  | 
 |     // create the path to the destination folder based on the | 
 |     // interface package name | 
 |     result = options.outputBaseFolder; | 
 |     result += OS_PATH_SEPARATOR; | 
 |  | 
 |     string packageStr = package; | 
 |     size_t len = packageStr.length(); | 
 |     for (size_t i=0; i<len; i++) { | 
 |         if (packageStr[i] == '.') { | 
 |             packageStr[i] = OS_PATH_SEPARATOR; | 
 |         } | 
 |     } | 
 |  | 
 |     result += packageStr; | 
 |  | 
 |     // add the filename by replacing the .aidl extension to .java | 
 |     const char* p = strchr(name.data, '.'); | 
 |     len = p ? p-name.data : strlen(name.data); | 
 |  | 
 |     result += OS_PATH_SEPARATOR; | 
 |     result.append(name.data, len); | 
 |     result += ".java"; | 
 |  | 
 |     return result; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static string | 
 | generate_outputFileName(const Options& options, const document_item_type* items) | 
 | { | 
 |     // items has already been checked to have only one interface. | 
 |     if (items->item_type == INTERFACE_TYPE_BINDER || items->item_type == INTERFACE_TYPE_RPC) { | 
 |         interface_type* type = (interface_type*)items; | 
 |  | 
 |         return generate_outputFileName2(options, type->name, type->package); | 
 |     } else if (items->item_type == USER_DATA_TYPE) { | 
 |         user_data_type* type = (user_data_type*)items; | 
 |         return generate_outputFileName2(options, type->name, type->package); | 
 |     } | 
 |  | 
 |     // I don't think we can come here, but safer than returning NULL. | 
 |     string result; | 
 |     return result; | 
 | } | 
 |  | 
 |  | 
 |  | 
 | // ========================================================== | 
 | static void | 
 | check_outputFilePath(const string& path) { | 
 |     size_t len = path.length(); | 
 |     for (size_t i=0; i<len ; i++) { | 
 |         if (path[i] == OS_PATH_SEPARATOR) { | 
 |             string p = path.substr(0, i); | 
 |             if (access(path.data(), F_OK) != 0) { | 
 | #ifdef HAVE_MS_C_RUNTIME | 
 |                 _mkdir(p.data()); | 
 | #else | 
 |                 mkdir(p.data(), S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP); | 
 | #endif | 
 |             } | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 |  | 
 | // ========================================================== | 
 | static int | 
 | parse_preprocessed_file(const string& filename) | 
 | { | 
 |     int err; | 
 |  | 
 |     FILE* f = fopen(filename.c_str(), "rb"); | 
 |     if (f == NULL) { | 
 |         fprintf(stderr, "aidl: can't open preprocessed file: %s\n", | 
 |                 filename.c_str()); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     int lineno = 1; | 
 |     char line[1024]; | 
 |     char type[1024]; | 
 |     char fullname[1024]; | 
 |     while (fgets(line, sizeof(line), f)) { | 
 |         // skip comments and empty lines | 
 |         if (!line[0] || strncmp(line, "//", 2) == 0) { | 
 |           continue; | 
 |         } | 
 |  | 
 |         sscanf(line, "%s %[^; \r\n\t];", type, fullname); | 
 |  | 
 |         char* packagename; | 
 |         char* classname = rfind(fullname, '.'); | 
 |         if (classname != NULL) { | 
 |             *classname = '\0'; | 
 |             classname++; | 
 |             packagename = fullname; | 
 |         } else { | 
 |             classname = fullname; | 
 |             packagename = NULL; | 
 |         } | 
 |  | 
 |         //printf("%s:%d:...%s...%s...%s...\n", filename.c_str(), lineno, | 
 |         //        type, packagename, classname); | 
 |         document_item_type* doc; | 
 |          | 
 |         if (0 == strcmp("parcelable", type)) { | 
 |             user_data_type* parcl = (user_data_type*)malloc( | 
 |                     sizeof(user_data_type)); | 
 |             memset(parcl, 0, sizeof(user_data_type)); | 
 |             parcl->document_item.item_type = USER_DATA_TYPE; | 
 |             parcl->keyword_token.lineno = lineno; | 
 |             parcl->keyword_token.data = strdup(type); | 
 |             parcl->package = packagename ? strdup(packagename) : NULL; | 
 |             parcl->name.lineno = lineno; | 
 |             parcl->name.data = strdup(classname); | 
 |             parcl->semicolon_token.lineno = lineno; | 
 |             parcl->semicolon_token.data = strdup(";"); | 
 |             parcl->flattening_methods = PARCELABLE_DATA; | 
 |             doc = (document_item_type*)parcl; | 
 |         } | 
 |         else if (0 == strcmp("flattenable", type)) { | 
 |             user_data_type* parcl = (user_data_type*)malloc( | 
 |                     sizeof(user_data_type)); | 
 |             memset(parcl, 0, sizeof(user_data_type)); | 
 |             parcl->document_item.item_type = USER_DATA_TYPE; | 
 |             parcl->keyword_token.lineno = lineno; | 
 |             parcl->keyword_token.data = strdup(type); | 
 |             parcl->package = packagename ? strdup(packagename) : NULL; | 
 |             parcl->name.lineno = lineno; | 
 |             parcl->name.data = strdup(classname); | 
 |             parcl->semicolon_token.lineno = lineno; | 
 |             parcl->semicolon_token.data = strdup(";"); | 
 |             parcl->flattening_methods = RPC_DATA; | 
 |             doc = (document_item_type*)parcl; | 
 |         } | 
 |         else if (0 == strcmp("interface", type)) { | 
 |             interface_type* iface = (interface_type*)malloc( | 
 |                     sizeof(interface_type)); | 
 |             memset(iface, 0, sizeof(interface_type)); | 
 |             iface->document_item.item_type = INTERFACE_TYPE_BINDER; | 
 |             iface->interface_token.lineno = lineno; | 
 |             iface->interface_token.data = strdup(type); | 
 |             iface->package = packagename ? strdup(packagename) : NULL; | 
 |             iface->name.lineno = lineno; | 
 |             iface->name.data = strdup(classname); | 
 |             iface->open_brace_token.lineno = lineno; | 
 |             iface->open_brace_token.data = strdup("{"); | 
 |             iface->close_brace_token.lineno = lineno; | 
 |             iface->close_brace_token.data = strdup("}"); | 
 |             doc = (document_item_type*)iface; | 
 |         } | 
 |         else { | 
 |             fprintf(stderr, "%s:%d: bad type in line: %s\n", | 
 |                     filename.c_str(), lineno, line); | 
 |             fclose(f); | 
 |             return 1; | 
 |         } | 
 |         err = gather_types(filename.c_str(), doc); | 
 |         lineno++; | 
 |     } | 
 |  | 
 |     if (!feof(f)) { | 
 |         fprintf(stderr, "%s:%d: error reading file, line to long.\n", | 
 |                 filename.c_str(), lineno); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     fclose(f); | 
 |     return 0; | 
 | } | 
 |  | 
 | static int | 
 | check_and_assign_method_ids(const char * filename, interface_item_type* first_item) | 
 | { | 
 |     // Check whether there are any methods with manually assigned id's and any that are not. | 
 |     // Either all method id's must be manually assigned or all of them must not. | 
 |     // Also, check for duplicates of user set id's and that the id's are within the proper bounds. | 
 |     set<int> usedIds; | 
 |     interface_item_type* item = first_item; | 
 |     bool hasUnassignedIds = false; | 
 |     bool hasAssignedIds = false; | 
 |     while (item != NULL) { | 
 |         if (item->item_type == METHOD_TYPE) { | 
 |             method_type* method_item = (method_type*)item; | 
 |             if (method_item->hasId) { | 
 |                 hasAssignedIds = true; | 
 |                 method_item->assigned_id = atoi(method_item->id.data); | 
 |                 // Ensure that the user set id is not duplicated. | 
 |                 if (usedIds.find(method_item->assigned_id) != usedIds.end()) { | 
 |                     // We found a duplicate id, so throw an error. | 
 |                     fprintf(stderr, | 
 |                             "%s:%d Found duplicate method id (%d) for method: %s\n", | 
 |                             filename, method_item->id.lineno, | 
 |                             method_item->assigned_id, method_item->name.data); | 
 |                     return 1; | 
 |                 } | 
 |                 // Ensure that the user set id is within the appropriate limits | 
 |                 if (method_item->assigned_id < MIN_USER_SET_METHOD_ID || | 
 |                         method_item->assigned_id > MAX_USER_SET_METHOD_ID) { | 
 |                     fprintf(stderr, "%s:%d Found out of bounds id (%d) for method: %s\n", | 
 |                             filename, method_item->id.lineno, | 
 |                             method_item->assigned_id, method_item->name.data); | 
 |                     fprintf(stderr, "    Value for id must be between %d and %d inclusive.\n", | 
 |                             MIN_USER_SET_METHOD_ID, MAX_USER_SET_METHOD_ID); | 
 |                     return 1; | 
 |                 } | 
 |                 usedIds.insert(method_item->assigned_id); | 
 |             } else { | 
 |                 hasUnassignedIds = true; | 
 |             } | 
 |             if (hasAssignedIds && hasUnassignedIds) { | 
 |                 fprintf(stderr, | 
 |                         "%s: You must either assign id's to all methods or to none of them.\n", | 
 |                         filename); | 
 |                 return 1; | 
 |             } | 
 |         } | 
 |         item = item->next; | 
 |     } | 
 |  | 
 |     // In the case that all methods have unassigned id's, set a unique id for them. | 
 |     if (hasUnassignedIds) { | 
 |         int newId = 0; | 
 |         item = first_item; | 
 |         while (item != NULL) { | 
 |             if (item->item_type == METHOD_TYPE) { | 
 |                 method_type* method_item = (method_type*)item; | 
 |                 method_item->assigned_id = newId++; | 
 |             } | 
 |             item = item->next; | 
 |         } | 
 |     } | 
 |  | 
 |     // success | 
 |     return 0; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | static int | 
 | compile_aidl(Options& options) | 
 | { | 
 |     int err = 0, N; | 
 |  | 
 |     set_import_paths(options.importPaths); | 
 |  | 
 |     register_base_types(); | 
 |  | 
 |     // import the preprocessed file | 
 |     N = options.preprocessedFiles.size(); | 
 |     for (int i=0; i<N; i++) { | 
 |         const string& s = options.preprocessedFiles[i]; | 
 |         err |= parse_preprocessed_file(s); | 
 |     } | 
 |     if (err != 0) { | 
 |         return err; | 
 |     } | 
 |  | 
 |     // parse the main file | 
 |     g_callbacks = &g_mainCallbacks; | 
 |     err = parse_aidl(options.inputFileName.c_str()); | 
 |     document_item_type* mainDoc = g_document; | 
 |     g_document = NULL; | 
 |  | 
 |     // parse the imports | 
 |     g_callbacks = &g_mainCallbacks; | 
 |     import_info* import = g_imports; | 
 |     while (import) { | 
 |         if (NAMES.Find(import->neededClass) == NULL) { | 
 |             import->filename = find_import_file(import->neededClass); | 
 |             if (!import->filename) { | 
 |                 fprintf(stderr, "%s:%d: couldn't find import for class %s\n", | 
 |                         import->from, import->statement.lineno, | 
 |                         import->neededClass); | 
 |                 err |= 1; | 
 |             } else { | 
 |                 err |= parse_aidl(import->filename); | 
 |                 import->doc = g_document; | 
 |                 if (import->doc == NULL) { | 
 |                     err |= 1; | 
 |                 } | 
 |             } | 
 |         } | 
 |         import = import->next; | 
 |     } | 
 |     // bail out now if parsing wasn't successful | 
 |     if (err != 0 || mainDoc == NULL) { | 
 |         //fprintf(stderr, "aidl: parsing failed, stopping.\n"); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     // complain about ones that aren't in the right files | 
 |     err |= check_filenames(options.inputFileName.c_str(), mainDoc); | 
 |     import = g_imports; | 
 |     while (import) { | 
 |         err |= check_filenames(import->filename, import->doc); | 
 |         import = import->next; | 
 |     } | 
 |  | 
 |     // gather the types that have been declared | 
 |     err |= gather_types(options.inputFileName.c_str(), mainDoc); | 
 |     import = g_imports; | 
 |     while (import) { | 
 |         err |= gather_types(import->filename, import->doc); | 
 |         import = import->next; | 
 |     } | 
 |  | 
 | #if 0 | 
 |     printf("---- main doc ----\n"); | 
 |     test_document(mainDoc); | 
 |  | 
 |     import = g_imports; | 
 |     while (import) { | 
 |         printf("---- import doc ----\n"); | 
 |         test_document(import->doc); | 
 |         import = import->next; | 
 |     } | 
 |     NAMES.Dump(); | 
 | #endif | 
 |  | 
 |     // check the referenced types in mainDoc to make sure we've imported them | 
 |     err |= check_types(options.inputFileName.c_str(), mainDoc); | 
 |  | 
 |     // finally, there really only needs to be one thing in mainDoc, and it | 
 |     // needs to be an interface. | 
 |     bool onlyParcelable = false; | 
 |     err |= exactly_one_interface(options.inputFileName.c_str(), mainDoc, options, &onlyParcelable); | 
 |  | 
 |     // If this includes an interface definition, then assign method ids and validate. | 
 |     if (!onlyParcelable) { | 
 |         err |= check_and_assign_method_ids(options.inputFileName.c_str(), | 
 |                 ((interface_type*)mainDoc)->interface_items); | 
 |     } | 
 |  | 
 |     // after this, there shouldn't be any more errors because of the | 
 |     // input. | 
 |     if (err != 0 || mainDoc == NULL) { | 
 |         return 1; | 
 |     } | 
 |  | 
 |     // if needed, generate the outputFileName from the outputBaseFolder | 
 |     if (options.outputFileName.length() == 0 && | 
 |             options.outputBaseFolder.length() > 0) { | 
 |         options.outputFileName = generate_outputFileName(options, mainDoc); | 
 |     } | 
 |  | 
 |     // if we were asked to, generate a make dependency file | 
 |     // unless it's a parcelable *and* it's supposed to fail on parcelable | 
 |     if ((options.autoDepFile || options.depFileName != "") && | 
 |             !(onlyParcelable && options.failOnParcelable)) { | 
 |         // make sure the folders of the output file all exists | 
 |         check_outputFilePath(options.outputFileName); | 
 |         generate_dep_file(options, mainDoc); | 
 |     } | 
 |  | 
 |     // they didn't ask to fail on parcelables, so just exit quietly. | 
 |     if (onlyParcelable && !options.failOnParcelable) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     // make sure the folders of the output file all exists | 
 |     check_outputFilePath(options.outputFileName); | 
 |  | 
 |     err = generate_java(options.outputFileName, options.inputFileName.c_str(), | 
 |                         (interface_type*)mainDoc); | 
 |  | 
 |     return err; | 
 | } | 
 |  | 
 | static int | 
 | preprocess_aidl(const Options& options) | 
 | { | 
 |     vector<string> lines; | 
 |     int err; | 
 |  | 
 |     // read files | 
 |     int N = options.filesToPreprocess.size(); | 
 |     for (int i=0; i<N; i++) { | 
 |         g_callbacks = &g_mainCallbacks; | 
 |         err = parse_aidl(options.filesToPreprocess[i].c_str()); | 
 |         if (err != 0) { | 
 |             return err; | 
 |         } | 
 |         document_item_type* doc = g_document; | 
 |         string line; | 
 |         if (doc->item_type == USER_DATA_TYPE) { | 
 |             user_data_type* parcelable = (user_data_type*)doc; | 
 |             if ((parcelable->flattening_methods & PARCELABLE_DATA) != 0) { | 
 |                 line = "parcelable "; | 
 |             } | 
 |             if ((parcelable->flattening_methods & RPC_DATA) != 0) { | 
 |                 line = "flattenable "; | 
 |             } | 
 |             if (parcelable->package) { | 
 |                 line += parcelable->package; | 
 |                 line += '.'; | 
 |             } | 
 |             line += parcelable->name.data; | 
 |         } else { | 
 |             line = "interface "; | 
 |             interface_type* iface = (interface_type*)doc; | 
 |             if (iface->package) { | 
 |                 line += iface->package; | 
 |                 line += '.'; | 
 |             } | 
 |             line += iface->name.data; | 
 |         } | 
 |         line += ";\n"; | 
 |         lines.push_back(line); | 
 |     } | 
 |  | 
 |     // write preprocessed file | 
 |     int fd = open( options.outputFileName.c_str(),  | 
 |                    O_RDWR|O_CREAT|O_TRUNC|O_BINARY, | 
 | #ifdef HAVE_MS_C_RUNTIME | 
 |                    _S_IREAD|_S_IWRITE); | 
 | #else     | 
 |                    S_IRUSR|S_IWUSR|S_IRGRP); | 
 | #endif             | 
 |     if (fd == -1) { | 
 |         fprintf(stderr, "aidl: could not open file for write: %s\n", | 
 |                 options.outputFileName.c_str()); | 
 |         return 1; | 
 |     } | 
 |  | 
 |     N = lines.size(); | 
 |     for (int i=0; i<N; i++) { | 
 |         const string& s = lines[i]; | 
 |         int len = s.length(); | 
 |         if (len != write(fd, s.c_str(), len)) { | 
 |             fprintf(stderr, "aidl: error writing to file %s\n", | 
 |                 options.outputFileName.c_str()); | 
 |             close(fd); | 
 |             unlink(options.outputFileName.c_str()); | 
 |             return 1; | 
 |         } | 
 |     } | 
 |  | 
 |     close(fd); | 
 |     return 0; | 
 | } | 
 |  | 
 | // ========================================================== | 
 | int | 
 | main(int argc, const char **argv) | 
 | { | 
 |     Options options; | 
 |     int result = parse_options(argc, argv, &options); | 
 |     if (result) { | 
 |         return result; | 
 |     } | 
 |  | 
 |     switch (options.task) | 
 |     { | 
 |         case COMPILE_AIDL: | 
 |             return compile_aidl(options); | 
 |         case PREPROCESS_AIDL: | 
 |             return preprocess_aidl(options); | 
 |     } | 
 |     fprintf(stderr, "aidl: internal error\n"); | 
 |     return 1; | 
 | } |