-Value *Parser::parse_sint() {
- return new SInt(-(signed long long)read_uint());
-}
-
-
-Value *Parser::parse_uint() {
- return new UInt(read_uint());
-}
-
-
-Value *Parser::parse_float() {
- float value;
- file->read(&value, sizeof value);
- return new Float(value);
-}
-
-
-Value *Parser::parse_double() {
- double value;
- file->read(&value, sizeof value);
- return new Float(value);
-}
-
-
-Value *Parser::parse_string() {
- return new String(read_string());
-}
-
-
-Value *Parser::parse_enum() {
- size_t id = read_uint();
- EnumSig *sig = lookup(enums, id);
- const File::Offset offset = file->currentOffset();
- bool enumWithSig = enumWithSignature(offset);
- if (!sig || enumWithSig) {
- if (!sig) {
- sig = new EnumSig;
- sig->id = id;
- sig->name = read_string();
- Value *value = parse_value();
- sig->value = value->toSInt();
- delete value;
- enums[id] = sig;
- m_enumSigOffsets.insert(offset);
- } else {
- skip_string(); /*name*/
- scan_value();
- }
- }
- assert(sig);
- return new Enum(sig);
-}
-
-
-Value *Parser::parse_bitmask() {
- size_t id = read_uint();
- BitmaskSig *sig = lookup(bitmasks, id);
- const File::Offset offset = file->currentOffset();
- bool bitmaskWithSig = bitmaskWithSignature(offset);
- if (!sig || bitmaskWithSig) {
- if (!sig) {
- sig = new BitmaskSig;
- sig->id = id;
- sig->num_flags = read_uint();
- BitmaskFlag *flags = new BitmaskFlag[sig->num_flags];
- for (BitmaskFlag *it = flags; it != flags + sig->num_flags; ++it) {
- it->name = read_string();
- it->value = read_uint();
- if (it->value == 0 && it != flags) {
- std::cerr << "warning: bitmask " << it->name << " is zero but is not first flag\n";
- }
- }
- sig->flags = flags;
- bitmasks[id] = sig;
- m_bitmaskSigOffsets.insert(offset);
- } else {
- int num_flags = read_uint();
- for (int i = 0; i < num_flags; ++i) {
- skip_string(); /*name */
- skip_uint(); /* value */
- }
- }
- }
- assert(sig);
-
- unsigned long long value = read_uint();
-
- return new Bitmask(sig, value);
-}
-
-
-Value *Parser::parse_array(void) {
- size_t len = read_uint();
- Array *array = new Array(len);
- for (size_t i = 0; i < len; ++i) {
- array->values[i] = parse_value();
- }
- return array;
-}
-
-
-Value *Parser::parse_blob(void) {
- size_t size = read_uint();
- Blob *blob = new Blob(size);
- if (size) {
- file->read(blob->buf, (unsigned)size);
- }
- return blob;
-}
-
-
-Value *Parser::parse_struct() {
- size_t id = read_uint();
-
- StructSig *sig = lookup(structs, id);
- const File::Offset offset = file->currentOffset();
- bool structWithSig = structWithSignature(offset);
- if (!sig || structWithSig) {
- if (!sig) {
- sig = new StructSig;
- sig->id = id;
- sig->name = read_string();
- sig->num_members = read_uint();
- const char **member_names = new const char *[sig->num_members];
- for (unsigned i = 0; i < sig->num_members; ++i) {
- member_names[i] = read_string();
- }
- sig->member_names = member_names;
- structs[id] = sig;
- m_structSigOffsets.insert(offset);
- } else {
- skip_string(); /* name */
- unsigned num_members = read_uint();
- for (unsigned i = 0; i < num_members; ++i) {
- skip_string(); /* member_name */
- }
- }
- }
- assert(sig);
-
- Struct *value = new Struct(sig);
-
- for (size_t i = 0; i < sig->num_members; ++i) {
- value->members[i] = parse_value();
- }
-
- return value;
-}
-
-
-Value *Parser::parse_opaque() {
- unsigned long long addr;
- addr = read_uint();
- return new Pointer(addr);
-}
-
-
-const char * Parser::read_string(void) {
- size_t len = read_uint();
- char * value = new char[len + 1];
- if (len) {
- file->read(value, (unsigned)len);
- }
- value[len] = 0;
-#if TRACE_VERBOSE
- std::cerr << "\tSTRING \"" << value << "\"\n";
-#endif
- return value;
-}
-
-
-unsigned long long Parser::read_uint(void) {
- unsigned long long value = 0;
- int c;
- unsigned shift = 0;
- do {
- c = file->getc();
- if (c == -1) {
- break;
- }
- value |= (unsigned long long)(c & 0x7f) << shift;
- shift += 7;
- } while(c & 0x80);
-#if TRACE_VERBOSE
- std::cerr << "\tUINT " << value << "\n";
-#endif
- return value;
-}
-
-
-inline int Parser::read_byte(void) {
- int c = file->getc();
-#if TRACE_VERBOSE
- if (c < 0)
- std::cerr << "\tEOF" << "\n";
- else
- std::cerr << "\tBYTE 0x" << std::hex << c << std::dec << "\n";
-#endif
- return c;
-}
-
-
-inline bool Parser::callWithSignature(const File::Offset &offset) const
-{
- return m_callSigOffsets.find(offset) != m_callSigOffsets.end();
-}
-
-inline bool Parser::structWithSignature(const File::Offset &offset) const
-{
- return m_structSigOffsets.find(offset) != m_structSigOffsets.end();
-}
-
-inline bool Parser::enumWithSignature(const File::Offset &offset) const
-{
- return m_enumSigOffsets.find(offset) != m_enumSigOffsets.end();
-}
-
-inline bool Parser::bitmaskWithSignature(const File::Offset &offset) const
-{
- return m_bitmaskSigOffsets.find(offset) != m_bitmaskSigOffsets.end();
-}
-
-Call * Parser::scan_call()
-{
- do {
- int c = read_byte();
- switch(c) {
- case Trace::EVENT_ENTER:
- scan_enter();
- break;
- case Trace::EVENT_LEAVE:
- return scan_leave();
- default:
- std::cerr << "error: unknown event " << c << "\n";
- exit(1);
- case -1:
- for (CallList::iterator it = calls.begin(); it != calls.end(); ++it) {
- std::cerr << "warning: incomplete call " << (*it)->name() << "\n";
- std::cerr << **it << "\n";
- }
- return NULL;
- }
- } while (true);
-}
-
-void Parser::scan_enter(void) {
- size_t id = read_uint();
-
- FunctionSig *sig = lookup(functions, id);
- const File::Offset offset = file->currentOffset();
- if (!sig) {
- sig = new FunctionSig;
- sig->id = id;
- sig->name = read_string();
- sig->num_args = read_uint();
- const char **arg_names = new const char *[sig->num_args];
- for (unsigned i = 0; i < sig->num_args; ++i) {
- arg_names[i] = read_string();
- }
- sig->arg_names = arg_names;
- functions[id] = sig;
- m_callSigOffsets.insert(offset);
- }
- assert(sig);
-
- Call *call = new Call(sig);
- call->no = next_call_no++;
-
- if (scan_call_details(call)) {
- calls.push_back(call);
- } else {
- delete call;
- }
-}
-
-Call *Parser::scan_leave(void) {
- unsigned call_no = read_uint();
- Call *call = NULL;
- for (CallList::iterator it = calls.begin(); it != calls.end(); ++it) {
- if ((*it)->no == call_no) {
- call = *it;
- calls.erase(it);
- break;
- }
- }
- if (!call) {
- return NULL;
- }
-
- if (scan_call_details(call)) {
- return call;
- } else {
- delete call;
- return NULL;
- }
-}
-
-bool Parser::scan_call_details(Call *call) {
- do {
- int c = read_byte();
- switch(c) {
- case Trace::CALL_END:
- return true;
- case Trace::CALL_ARG:
- scan_arg(call);
- break;
- case Trace::CALL_RET:
- scan_value();
- break;
- default:
- std::cerr << "error: ("<<call->name()<< ") unknown call detail "
- << c << "\n";
- exit(1);
- case -1:
- return false;
- }
- } while(true);
-}
-
-void Parser::scan_arg(Call *call) {
- skip_uint(); /* index */
- scan_value(); /* value */
-}
-
-