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Make .x file name mangling partial again; explain why.

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This commit is contained in:
Axel Naumann 2016-11-29 08:22:06 +01:00 committed by sftnight
parent 7a682ff1d7
commit ef8d80dc57
1 changed files with 11 additions and 30 deletions
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41
lib/MetaProcessor/MetaSema.cpp
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@ -88,39 +88,20 @@ namespace cling {
/// Replace non-identifier chars by '_'
std::string normalizeDotXFuncName(const std::string& FuncName) {
std::string ret = FuncName;
// Prepend '_' if name starts with a digit.
if (ret[0] >= '0' && ret[0] <= '9')
ret.insert(ret.begin(), '_');
for (char& c: ret) {
switch(c) {
case '+': // Intentional fall though.
case '-': // Intentional fall though.
case '*': // Intentional fall though.
case '/': // Intentional fall though.
case '&': // Intentional fall though.
case '%': // Intentional fall though.
case '|': // Intentional fall though.
case '^': // Intentional fall though.
case '>': // Intentional fall though.
case '<': // Intentional fall though.
case '=': // Intentional fall though.
case '~': // Intentional fall though.
case '.': // Intentional fall though.
case '(': // Intentional fall though.
case ')': // Intentional fall though.
case '[': // Intentional fall though.
case ']': // Intentional fall though.
case '!': // Intentional fall though.
case ',': // Intentional fall though.
case '$': // Intentional fall though.
case ' ': // Intentional fall though.
case ':': // Intentional fall though.
case '"': // Intentional fall though.
case '@': // Intentional fall though.
case '\'': // Intentional fall though.
case '\\': c = '_'; break;
default: break;
/* nothing to do */
}
// Instead of "escaping" all non-C++-id chars, only escape those that
// are fairly certainly file names, to keep helpful error messages for
// broken quoting or parsing. Example:
// "Cannot find '_func_1___'" is much less helpful than
// "Cannot find '/func(1)*&'"
// I.e. find a compromise between helpful diagnostics and common file
// name (stem) ingredients.
if (c == '+' || c == '-' || c == '=' || c == '.' || c == ' '
|| c == '@')
c = '_';
}
return ret;
}