static bool
AstDecodeGenerateName(AstDecodeContext& c, const AstName& prefix, uint32_t index, AstName* name)
{
if (!c.generateNames) {
*name = AstName();
return true;
}
AstVector<char16_t> result(c.lifo);
if (!result.append(prefix.begin(), prefix.length()))
return false;
uint32_t tmp = index;
do {
if (!result.append(MOZ_UTF16('0')))
return false;
tmp /= 10;
} while (tmp);
if (index) {
char16_t* p = result.end();
for (tmp = index; tmp; tmp /= 10)
*(--p) = MOZ_UTF16('0' + (tmp % 10));
}
size_t length = result.length();
char16_t* begin = result.extractOrCopyRawBuffer();
if (!begin)
return false;
*name = AstName(begin, length);
return true;
}
static bool
RenderEscapedString(WasmRenderContext& c, const AstName& s)
{
size_t length = s.length();
const char16_t* p = s.begin();
for (size_t i = 0; i < length; i++) {
char16_t byte = p[i];
switch (byte) {
case '\n':
if (!c.buffer.append("\\n"))
return false;
break;
case '\r':
if (!c.buffer.append("\\0d"))
return false;
break;
case '\t':
if (!c.buffer.append("\\t"))
return false;
break;
case '\f':
if (!c.buffer.append("\\0c"))
return false;
break;
case '\b':
if (!c.buffer.append("\\08"))
return false;
break;
case '\\':
if (!c.buffer.append("\\\\"))
return false;
break;
case '"' :
if (!c.buffer.append("\\\""))
return false;
break;
case '\'':
if (!c.buffer.append("\\'"))
return false;
break;
default:
if (byte >= 32 && byte < 127) {
if (!c.buffer.append((char)byte))
return false;
} else {
char digit1 = byte / 16, digit2 = byte % 16;
if (!c.buffer.append("\\"))
return false;
if (!c.buffer.append((char)(digit1 < 10 ? digit1 + '0' : digit1 + 'a' - 10)))
return false;
if (!c.buffer.append((char)(digit2 < 10 ? digit2 + '0' : digit2 + 'a' - 10)))
return false;
}
break;
}
}
return true;
}
