diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/Option.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Driver/Option.cpp | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/Option.cpp b/contrib/llvm/tools/clang/lib/Driver/Option.cpp deleted file mode 100644 index dbc61ea..0000000 --- a/contrib/llvm/tools/clang/lib/Driver/Option.cpp +++ /dev/null @@ -1,200 +0,0 @@ -//===--- Option.cpp - Abstract Driver Options -----------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "clang/Driver/Option.h" -#include "clang/Driver/Arg.h" -#include "clang/Driver/ArgList.h" -#include "llvm/ADT/Twine.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/raw_ostream.h" -#include <algorithm> -#include <cassert> -using namespace clang::driver; - -Option::Option(const OptTable::Info *info, const OptTable *owner) - : Info(info), Owner(owner) { - - // Multi-level aliases are not supported, and alias options cannot - // have groups. This just simplifies option tracking, it is not an - // inherent limitation. - assert((!Info || !getAlias().isValid() || (!getAlias().getAlias().isValid() && - !getGroup().isValid())) && - "Multi-level aliases and aliases with groups are unsupported."); -} - -Option::~Option() { -} - -void Option::dump() const { - llvm::errs() << "<"; - switch (getKind()) { -#define P(N) case N: llvm::errs() << #N; break - P(GroupClass); - P(InputClass); - P(UnknownClass); - P(FlagClass); - P(JoinedClass); - P(SeparateClass); - P(CommaJoinedClass); - P(MultiArgClass); - P(JoinedOrSeparateClass); - P(JoinedAndSeparateClass); -#undef P - } - - llvm::errs() << " Prefixes:["; - for (const char * const *Pre = Info->Prefixes; *Pre != 0; ++Pre) { - llvm::errs() << '"' << *Pre << (*(Pre + 1) == 0 ? "\"" : "\", "); - } - llvm::errs() << ']'; - - llvm::errs() << " Name:\"" << getName() << '"'; - - const Option Group = getGroup(); - if (Group.isValid()) { - llvm::errs() << " Group:"; - Group.dump(); - } - - const Option Alias = getAlias(); - if (Alias.isValid()) { - llvm::errs() << " Alias:"; - Alias.dump(); - } - - if (getKind() == MultiArgClass) - llvm::errs() << " NumArgs:" << getNumArgs(); - - llvm::errs() << ">\n"; -} - -bool Option::matches(OptSpecifier Opt) const { - // Aliases are never considered in matching, look through them. - const Option Alias = getAlias(); - if (Alias.isValid()) - return Alias.matches(Opt); - - // Check exact match. - if (getID() == Opt.getID()) - return true; - - const Option Group = getGroup(); - if (Group.isValid()) - return Group.matches(Opt); - return false; -} - -Arg *Option::accept(const ArgList &Args, - unsigned &Index, - unsigned ArgSize) const { - const Option &UnaliasedOption = getUnaliasedOption(); - StringRef Spelling; - // If the option was an alias, get the spelling from the unaliased one. - if (getID() == UnaliasedOption.getID()) { - Spelling = StringRef(Args.getArgString(Index), ArgSize); - } else { - Spelling = Args.MakeArgString(Twine(UnaliasedOption.getPrefix()) + - Twine(UnaliasedOption.getName())); - } - - switch (getKind()) { - case FlagClass: - if (ArgSize != strlen(Args.getArgString(Index))) - return 0; - - return new Arg(UnaliasedOption, Spelling, Index++); - case JoinedClass: { - const char *Value = Args.getArgString(Index) + ArgSize; - return new Arg(UnaliasedOption, Spelling, Index++, Value); - } - case CommaJoinedClass: { - // Always matches. - const char *Str = Args.getArgString(Index) + ArgSize; - Arg *A = new Arg(UnaliasedOption, Spelling, Index++); - - // Parse out the comma separated values. - const char *Prev = Str; - for (;; ++Str) { - char c = *Str; - - if (!c || c == ',') { - if (Prev != Str) { - char *Value = new char[Str - Prev + 1]; - memcpy(Value, Prev, Str - Prev); - Value[Str - Prev] = '\0'; - A->getValues().push_back(Value); - } - - if (!c) - break; - - Prev = Str + 1; - } - } - A->setOwnsValues(true); - - return A; - } - case SeparateClass: - // Matches iff this is an exact match. - // FIXME: Avoid strlen. - if (ArgSize != strlen(Args.getArgString(Index))) - return 0; - - Index += 2; - if (Index > Args.getNumInputArgStrings()) - return 0; - - return new Arg(UnaliasedOption, Spelling, - Index - 2, Args.getArgString(Index - 1)); - case MultiArgClass: { - // Matches iff this is an exact match. - // FIXME: Avoid strlen. - if (ArgSize != strlen(Args.getArgString(Index))) - return 0; - - Index += 1 + getNumArgs(); - if (Index > Args.getNumInputArgStrings()) - return 0; - - Arg *A = new Arg(UnaliasedOption, Spelling, Index - 1 - getNumArgs(), - Args.getArgString(Index - getNumArgs())); - for (unsigned i = 1; i != getNumArgs(); ++i) - A->getValues().push_back(Args.getArgString(Index - getNumArgs() + i)); - return A; - } - case JoinedOrSeparateClass: { - // If this is not an exact match, it is a joined arg. - // FIXME: Avoid strlen. - if (ArgSize != strlen(Args.getArgString(Index))) { - const char *Value = Args.getArgString(Index) + ArgSize; - return new Arg(*this, Spelling, Index++, Value); - } - - // Otherwise it must be separate. - Index += 2; - if (Index > Args.getNumInputArgStrings()) - return 0; - - return new Arg(UnaliasedOption, Spelling, - Index - 2, Args.getArgString(Index - 1)); - } - case JoinedAndSeparateClass: - // Always matches. - Index += 2; - if (Index > Args.getNumInputArgStrings()) - return 0; - - return new Arg(UnaliasedOption, Spelling, Index - 2, - Args.getArgString(Index - 2) + ArgSize, - Args.getArgString(Index - 1)); - default: - llvm_unreachable("Invalid option kind!"); - } -} |
