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Driver: Change Option parsing to always create arguments referring to unaliased 

options.
 - This matches the intent of the .td files, and will simplify alias handling.
 - PR7321.

llvm-svn: 105763
This commit is contained in:
Daniel Dunbar 2010-06-09 22:44:34 +00:00
parent 35cbfeba8f
commit bfe71f2416
3 changed files with 22 additions and 10 deletions
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2
clang/include/clang/Driver/Options.td
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@ -713,4 +713,4 @@ def _warn__EQ : Joined<"--warn-=">, Alias<W_Joined>, Flags<[Unsupported]>;
def _warn_ : Joined<"--warn-">, Alias<W_Joined>, Flags<[Unsupported]>;
def _write_dependencies : Flag<"--write-dependencies">, Alias<MD>;
def _write_user_dependencies : Flag<"--write-user-dependencies">, Alias<MMD>;
def _ : Joined<"--">, Alias<f>, Flags<[Unsupported]>;
def _ : Joined<"--">, Flags<[Unsupported]>;

19
clang/lib/Driver/Option.cpp
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@ -147,7 +147,7 @@ Arg *FlagOption::accept(const InputArgList &Args, unsigned &Index) const {
if (strlen(getName()) != strlen(Args.getArgString(Index)))
return 0;
return new Arg(this, Index++);
return new Arg(getUnaliasedOption(), Index++);
}
JoinedOption::JoinedOption(OptSpecifier ID, const char *Name,
@ -158,7 +158,7 @@ JoinedOption::JoinedOption(OptSpecifier ID, const char *Name,
Arg *JoinedOption::accept(const InputArgList &Args, unsigned &Index) const {
// Always matches.
const char *Value = Args.getArgString(Index) + strlen(getName());
return new Arg(this, Index++, Value);
return new Arg(getUnaliasedOption(), Index++, Value);
}
CommaJoinedOption::CommaJoinedOption(OptSpecifier ID, const char *Name,
@ -171,7 +171,7 @@ Arg *CommaJoinedOption::accept(const InputArgList &Args,
unsigned &Index) const {
// Always matches.
const char *Str = Args.getArgString(Index) + strlen(getName());
Arg *A = new Arg(this, Index++);
Arg *A = new Arg(getUnaliasedOption(), Index++);
// Parse out the comma separated values.
const char *Prev = Str;
@ -212,7 +212,7 @@ Arg *SeparateOption::accept(const InputArgList &Args, unsigned &Index) const {
if (Index > Args.getNumInputArgStrings())
return 0;
return new Arg(this, Index - 2, Args.getArgString(Index - 1));
return new Arg(getUnaliasedOption(), Index - 2, Args.getArgString(Index - 1));
}
MultiArgOption::MultiArgOption(OptSpecifier ID, const char *Name,
@ -232,8 +232,8 @@ Arg *MultiArgOption::accept(const InputArgList &Args, unsigned &Index) const {
if (Index > Args.getNumInputArgStrings())
return 0;
Arg *A = new Arg(this, Index - 1 - NumArgs,
Args.getArgString(Index - NumArgs));
Arg *A = new Arg(getUnaliasedOption(), Index - 1 - NumArgs,
Args.getArgString(Index - NumArgs));
for (unsigned i = 1; i != NumArgs; ++i)
A->getValues().push_back(Args.getArgString(Index - NumArgs + i));
return A;
@ -260,7 +260,7 @@ Arg *JoinedOrSeparateOption::accept(const InputArgList &Args,
if (Index > Args.getNumInputArgStrings())
return 0;
return new Arg(this, Index - 2, Args.getArgString(Index - 1));
return new Arg(getUnaliasedOption(), Index - 2, Args.getArgString(Index - 1));
}
JoinedAndSeparateOption::JoinedAndSeparateOption(OptSpecifier ID,
@ -278,6 +278,7 @@ Arg *JoinedAndSeparateOption::accept(const InputArgList &Args,
if (Index > Args.getNumInputArgStrings())
return 0;
return new Arg(this, Index - 2, Args.getArgString(Index-2)+strlen(getName())
, Args.getArgString(Index-1));
return new Arg(getUnaliasedOption(), Index - 2,
Args.getArgString(Index-2)+strlen(getName()),
Args.getArgString(Index-1));
}

11
clang/test/Driver/option-aliases.c Normal file
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@ -0,0 +1,11 @@
// RUN: %clang -ccc-print-options \
// RUN: --save-temps --undefine-macro=FOO --undefine-macro FOO \
// RUN: --param=FOO --output=FOO 2> %t
// RUN: FileCheck --check-prefix=CHECK-OPTIONS < %t %s
// CHECK-OPTIONS: Option 0 - Name: "-ccc-print-options", Values: {}
// CHECK-OPTIONS: Option 1 - Name: "-save-temps", Values: {}
// CHECK-OPTIONS: Option 2 - Name: "-U", Values: {"FOO"}
// CHECK-OPTIONS: Option 3 - Name: "-U", Values: {"FOO"}
// CHECK-OPTIONS: Option 4 - Name: "--param", Values: {"FOO"}
// CHECK-OPTIONS: Option 5 - Name: "-o", Values: {"FOO"}