diff options
Diffstat (limited to 'cpp/src/Slice/Scanner.l')
| -rw-r--r-- | cpp/src/Slice/Scanner.l | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/cpp/src/Slice/Scanner.l b/cpp/src/Slice/Scanner.l index b7541770978..cb7ef274978 100644 --- a/cpp/src/Slice/Scanner.l +++ b/cpp/src/Slice/Scanner.l @@ -431,8 +431,32 @@ checkIdentifier(const string& id) unit->error("illegal underscore in identifier `" + id + "'"); } + // + // Apparently on some platforms, [:alpha:] includes characters outside + // the ASCII range (such as the copyright sign). We add an extra scan + // here to print a meaningful error message for such platforms. + // + static const string legalChars = "0123456789abcdefghijklmnopqrstuvwxyz"; // Sorted in increasing ASCII order. + + size_t i; + + for(i = 0; i < id.size(); ++i) + { + if(!binary_search(legalChars.begin(), legalChars.end(), ::tolower(id[i]))) + { + stringstream s; + s.width(3); + s.fill('0'); + s << oct << static_cast<unsigned int>(static_cast<unsigned char>(id[i])); + unit->error("illegal character in identifier: '\\" + s.str() + "'"); + } + } + + // + // Weed out identifiers with reserved suffixes. + // static const string suffixBlacklist[] = { "Helper", "Holder", "Prx", "Ptr" }; - for(size_t i = 0; i < sizeof(suffixBlacklist) / sizeof(*suffixBlacklist); ++i) + for(i = 0; i < sizeof(suffixBlacklist) / sizeof(*suffixBlacklist); ++i) { if(id.find(suffixBlacklist[i], id.size() - suffixBlacklist[i].size()) != string::npos) { |