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// Copyright 2011 Google Inc. All Rights Reserved.
// Author: enh@google.com (Elliott Hughes)
#include "object.h"
#include "utils.h"
namespace art {
std::string PrettyDescriptor(const StringPiece& descriptor) {
// Count the number of '['s to get the dimensionality.
const char* c = descriptor.data();
size_t dim = 0;
while (*c == '[') {
dim++;
c++;
}
// Reference or primitive?
if (*c == 'L') {
// "[[La/b/C;" -> "a.b.C[][]".
c++; // Skip the 'L'.
} else {
// "[[B" -> "byte[][]".
// To make life easier, we make primitives look like unqualified
// reference types.
switch (*c) {
case 'B': c = "byte;"; break;
case 'C': c = "char;"; break;
case 'D': c = "double;"; break;
case 'F': c = "float;"; break;
case 'I': c = "int;"; break;
case 'J': c = "long;"; break;
case 'S': c = "short;"; break;
case 'Z': c = "boolean;"; break;
default: return descriptor.ToString();
}
}
// At this point, 'c' is a string of the form "fully/qualified/Type;"
// or "primitive;". Rewrite the type with '.' instead of '/':
std::string result;
const char* p = c;
while (*p != ';') {
char ch = *p++;
if (ch == '/') {
ch = '.';
}
result.push_back(ch);
}
// ...and replace the semicolon with 'dim' "[]" pairs:
while (dim--) {
result += "[]";
}
return result;
}
std::string PrettyType(const Object* obj) {
if (obj == NULL) {
return "null";
}
if (obj->GetClass() == NULL) {
return "(raw)";
}
std::string result(PrettyDescriptor(obj->GetClass()->GetDescriptor()));
if (obj->IsClass()) {
result += "<" + PrettyDescriptor(obj->AsClass()->GetDescriptor()) + ">";
}
return result;
}
} // namespace art
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