#include <assert.h>
+#include <stdlib.h>
#include <zlib.h>
namespace Trace {
-unsigned long long Parser::version = 0;
-
-
Parser::Parser() {
file = NULL;
next_call_no = 0;
+ version = 0;
}
version = read_uint();
if (version > TRACE_VERSION) {
- std::cerr << "error: unsupported format version" << version << "\n";
+ std::cerr << "error: unsupported trace format version " << version << "\n";
return false;
}
return true;
}
+template <typename Iter>
+inline void
+deleteAll(Iter begin, Iter end)
+{
+ while (begin != end) {
+ delete *begin;
+ ++begin;
+ }
+}
+
+template <typename Container>
+inline void
+deleteAll(const Container &c)
+{
+ deleteAll(c.begin(), c.end());
+}
void Parser::close(void) {
if (file) {
gzclose(file);
file = NULL;
}
+
+ deleteAll(calls);
+ deleteAll(functions);
+ deleteAll(structs);
+ deleteAll(enums);
+ deleteAll(bitmasks);
}
break;
case Trace::EVENT_LEAVE:
return parse_leave();
- case Trace::EVENT_MESSAGE:
- std::cerr << "message: " << read_string() << "\n";
- break;
default:
- std::cerr << "error: unknown call detail " << c << "\n";
- assert(0);
- /* fallthrough */
+ 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::parse_enter(void) {
size_t id = read_uint();
- Call::Signature *sig = lookup(functions, id);
+ FunctionSig *sig = lookup(functions, id);
if (!sig) {
- sig = new Call::Signature;
+ sig = new FunctionSig;
+ sig->id = id;
sig->name = read_string();
- unsigned size = read_uint();
- for (unsigned i = 0; i < size; ++i) {
- sig->arg_names.push_back(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;
}
assert(sig);
Call *call = new Call(sig);
call->no = next_call_no++;
- parse_call_details(call);
-
- calls.push_back(call);
+ if (parse_call_details(call)) {
+ calls.push_back(call);
+ } else {
+ delete call;
+ }
}
Call *Parser::parse_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) {
break;
}
}
- assert(call);
if (!call) {
return NULL;
}
- parse_call_details(call);
- return call;
+
+ if (parse_call_details(call)) {
+ return call;
+ } else {
+ delete call;
+ return NULL;
+ }
}
-void Parser::parse_call_details(Call *call) {
+bool Parser::parse_call_details(Call *call) {
do {
int c = read_byte();
switch(c) {
case Trace::CALL_END:
- return;
+ return true;
case Trace::CALL_ARG:
parse_arg(call);
break;
break;
default:
std::cerr << "error: unknown call detail " << c << "\n";
- assert(0);
- /* fallthrough */
+ exit(1);
case -1:
- return;
+ return false;
}
} while(true);
}
Value *Parser::parse_value(void) {
int c;
+ Value *value;
c = read_byte();
switch(c) {
case Trace::TYPE_NULL:
- return new Null;
+ value = new Null;
+ break;
case Trace::TYPE_FALSE:
- return new Bool(false);
+ value = new Bool(false);
+ break;
case Trace::TYPE_TRUE:
- return new Bool(true);
+ value = new Bool(true);
+ break;
case Trace::TYPE_SINT:
- return parse_sint();
+ value = parse_sint();
+ break;
case Trace::TYPE_UINT:
- return parse_uint();
+ value = parse_uint();
+ break;
case Trace::TYPE_FLOAT:
- return parse_float();
+ value = parse_float();
+ break;
case Trace::TYPE_DOUBLE:
- return parse_double();
+ value = parse_double();
+ break;
case Trace::TYPE_STRING:
- return parse_string();
+ value = parse_string();
+ break;
case Trace::TYPE_ENUM:
- return parse_enum();
+ value = parse_enum();
+ break;
case Trace::TYPE_BITMASK:
- return parse_bitmask();
+ value = parse_bitmask();
+ break;
case Trace::TYPE_ARRAY:
- return parse_array();
+ value = parse_array();
+ break;
case Trace::TYPE_STRUCT:
- return parse_struct();
+ value = parse_struct();
+ break;
case Trace::TYPE_BLOB:
- return parse_blob();
+ value = parse_blob();
+ break;
case Trace::TYPE_OPAQUE:
- return parse_opaque();
+ value = parse_opaque();
+ break;
default:
std::cerr << "error: unknown type " << c << "\n";
- assert(0);
- return NULL;
+ exit(1);
+ case -1:
+ value = NULL;
+ break;
}
+#if TRACE_VERBOSE
+ if (value) {
+ std::cerr << "\tVALUE " << value << "\n";
+ }
+#endif
+ return value;
}
Value *Parser::parse_enum() {
size_t id = read_uint();
- Enum::Signature *sig = lookup(enums, id);
+ EnumSig *sig = lookup(enums, id);
if (!sig) {
- std::string name = read_string();
+ sig = new EnumSig;
+ sig->id = id;
+ sig->name = read_string();
Value *value = parse_value();
- sig = new Enum::Signature(name, value);
+ sig->value = value->toSInt();
+ delete value;
enums[id] = sig;
}
assert(sig);
Value *Parser::parse_bitmask() {
size_t id = read_uint();
- Bitmask::Signature *sig = lookup(bitmasks, id);
+ BitmaskSig *sig = lookup(bitmasks, id);
if (!sig) {
- size_t size = read_uint();
- sig = new Bitmask::Signature(size);
- for (Bitmask::Signature::iterator it = sig->begin(); it != sig->end(); ++it) {
- it->first = read_string();
- it->second = read_uint();
- assert(it->second);
+ 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;
}
assert(sig);
Value *Parser::parse_struct() {
size_t id = read_uint();
- Struct::Signature *sig = lookup(structs, id);
+ StructSig *sig = lookup(structs, id);
if (!sig) {
- sig = new Struct::Signature;
+ sig = new StructSig;
+ sig->id = id;
sig->name = read_string();
- unsigned size = read_uint();
- for (unsigned i = 0; i < size; ++i) {
- sig->member_names.push_back(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;
}
assert(sig);
Struct *value = new Struct(sig);
- for (size_t i = 0; i < sig->member_names.size(); ++i) {
+ for (size_t i = 0; i < sig->num_members; ++i) {
value->members[i] = parse_value();
}
}
-std::string Parser::read_string(void) {
+const char * Parser::read_string(void) {
size_t len = read_uint();
- if (!len) {
- return std::string();
+ char * value = new char[len + 1];
+ if (len) {
+ gzread(file, value, (unsigned)len);
}
- char * buf = new char[len];
- gzread(file, buf, (unsigned)len);
- std::string value(buf, len);
- delete [] buf;
+ value[len] = 0;
#if TRACE_VERBOSE
std::cerr << "\tSTRING \"" << value << "\"\n";
#endif
projects / apitrace / blobdiff