// The demangler entry point.
bool Demangle(const char *mangled, char *out, int out_size) {
State state;
InitState(&state, mangled, out, out_size);
return (ParseMangledName(&state) &&
state.overflowed == false &&
RemainingLength(&state) == 0);
}
// <expr-primary> ::= L <type> <(value) number> E
// ::= L <type> <(value) float> E
// ::= L <mangled-name> E
// // A bug in g++'s C++ ABI version 2 (-fabi-version=2).
// ::= LZ <encoding> E
static bool ParseExprPrimary(State *state) {
State copy = *state;
if (ParseChar(state, 'L') && ParseType(state) &&
ParseNumber(state) &&
ParseChar(state, 'E')) {
return true;
}
*state = copy;
if (ParseChar(state, 'L') && ParseType(state) &&
ParseFloatNumber(state) &&
ParseChar(state, 'E')) {
return true;
}
*state = copy;
if (ParseChar(state, 'L') && ParseMangledName(state) &&
ParseChar(state, 'E')) {
return true;
}
*state = copy;
if (ParseTwoChar(state, "LZ") && ParseEncoding(state) &&
ParseChar(state, 'E')) {
return true;
}
*state = copy;
return false;
}
// The demangler entry point.
int gimli_demangle(const char *mangled, char *out, int out_size)
{
State state;
#ifdef __MACH__
/* skip leading '_' that is present on this platform */
mangled++;
#endif
InitState(&state, mangled, out, out_size);
return (ParseMangledName(&state) &&
state.overflowed == false &&
RemainingLength(&state) == 0);
}
// Parse <mangled-name>, optionally followed by either a function-clone suffix
// or version suffix. Returns true only if all of "mangled_cur" was consumed.
static bool ParseTopLevelMangledName(State *state) {
if (ParseMangledName(state)) {
if (state->mangled_cur[0] != '\0') {
// Drop trailing function clone suffix, if any.
if (IsFunctionCloneSuffix(state->mangled_cur)) {
return true;
}
// Append trailing version suffix if any.
// ex. _Z3foo@@GLIBCXX_3.4
if (state->mangled_cur[0] == '@') {
MaybeAppend(state, state->mangled_cur);
return true;
}
return false; // Unconsumed suffix.
}
return true;
}
return false;
}