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Support/PathV2: Change most functions in the path namespace to return their work

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via their return value instead of an out parameter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121149 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer
2010-12-07 17:04:04 +00:00
parent dc3b906173
commit 5029159fbe
5 changed files with 124 additions and 170 deletions
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88
include/llvm/Support/PathV2.h
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@@ -11,8 +11,6 @@
// TR2/boost filesystem (v3), but modified to remove exception handling and the
// path class.
//
// All functions return void and their actual work via the last out argument.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_PATHV2_H
@@ -126,8 +124,7 @@ void remove_filename(SmallVectorImpl<char> &path);
/// @param extension The extension to be added. It may be empty. It may also
/// optionally start with a '.', if it does not, one will be
/// prepended.
void replace_extension(SmallVectorImpl<char> &path,
const Twine &extension);
void replace_extension(SmallVectorImpl<char> &path, const Twine &extension);
/// @brief Append to path.
///
@@ -138,9 +135,9 @@ void replace_extension(SmallVectorImpl<char> &path,
/// @param path Set to \a path + \a component.
/// @param component The component to be appended to \a path.
void append(SmallVectorImpl<char> &path, const Twine &a,
const Twine &b = "",
const Twine &c = "",
const Twine &d = "");
const Twine &b = "",
const Twine &c = "",
const Twine &d = "");
/// @brief Append to path.
///
@@ -152,7 +149,7 @@ void append(SmallVectorImpl<char> &path, const Twine &a,
/// @param begin Start of components to append.
/// @param end One past the end of components to append.
void append(SmallVectorImpl<char> &path,
const_iterator begin, const_iterator end);
const_iterator begin, const_iterator end);
/// @}
/// @name Transforms (or some other better name)
@@ -177,8 +174,8 @@ void native(const Twine &path, SmallVectorImpl<char> &result);
/// /hello => <empty>
///
/// @param path Input path.
/// @param result Set to the root name of \a path if it has one, otherwise "".
void root_name(const StringRef &path, StringRef &result);
/// @result The root name of \a path if it has one, otherwise "".
const StringRef root_name(const StringRef &path);
/// @brief Get root directory.
///
@@ -187,17 +184,17 @@ void root_name(const StringRef &path, StringRef &result);
/// d/file.txt => <empty>
///
/// @param path Input path.
/// @param result Set to the root directory of \a path if it has one, otherwise
/// @result The root directory of \a path if it has one, otherwise
/// "".
void root_directory(const StringRef &path, StringRef &result);
const StringRef root_directory(const StringRef &path);
/// @brief Get root path.
///
/// Equivalent to root_name + root_directory.
///
/// @param path Input path.
/// @param result Set to the root path of \a path if it has one, otherwise "".
void root_path(const StringRef &path, StringRef &result);
/// @result The root path of \a path if it has one, otherwise "".
const StringRef root_path(const StringRef &path);
/// @brief Get relative path.
///
@@ -206,9 +203,8 @@ void root_path(const StringRef &path, StringRef &result);
/// /foo/bar => foo/bar
///
/// @param path Input path.
/// @param result Set to the path starting after root_path if one exists,
/// otherwise "".
void relative_path(const StringRef &path, StringRef &result);
/// @result The path starting after root_path if one exists, otherwise "".
const StringRef relative_path(const StringRef &path);
/// @brief Get parent path.
///
@@ -217,8 +213,8 @@ void relative_path(const StringRef &path, StringRef &result);
/// foo/../bar => foo/..
///
/// @param path Input path.
/// @param result Set to the parent path of \a path if one exists, otherwise "".
void parent_path(const StringRef &path, StringRef &result);
/// @result The parent path of \a path if one exists, otherwise "".
const StringRef parent_path(const StringRef &path);
/// @brief Get filename.
///
@@ -228,9 +224,9 @@ void parent_path(const StringRef &path, StringRef &result);
/// / => /
///
/// @param path Input path.
/// @param result Set to the filename part of \a path. This is defined as the
/// last component of \a path.
void filename(const StringRef &path, StringRef &result);
/// @result The filename part of \a path. This is defined as the last component
/// of \a path.
const StringRef filename(const StringRef &path);
/// @brief Get stem.
///
@@ -245,8 +241,8 @@ void filename(const StringRef &path, StringRef &result);
/// /foo/.. => ..
///
/// @param path Input path.
/// @param result Set to the stem of \a path.
void stem(const StringRef &path, StringRef &result);
/// @result The stem of \a path.
const StringRef stem(const StringRef &path);
/// @brief Get extension.
///
@@ -259,84 +255,84 @@ void stem(const StringRef &path, StringRef &result);
/// /foo/.txt => .txt
///
/// @param path Input path.
/// @param result Set to the extension of \a path.
void extension(const StringRef &path, StringRef &result);
/// @result The extension of \a path.
const StringRef extension(const StringRef &path);
/// @brief Has root name?
///
/// root_name != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a root name, false otherwise.
void has_root_name(const Twine &path, bool &result);
/// @result True if the path has a root name, false otherwise.
const bool has_root_name(const Twine &path);
/// @brief Has root directory?
///
/// root_directory != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a root directory, false otherwise.
void has_root_directory(const Twine &path, bool &result);
/// @result True if the path has a root directory, false otherwise.
const bool has_root_directory(const Twine &path);
/// @brief Has root path?
///
/// root_path != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a root path, false otherwise.
void has_root_path(const Twine &path, bool &result);
/// @result True if the path has a root path, false otherwise.
const bool has_root_path(const Twine &path);
/// @brief Has relative path?
///
/// relative_path != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a relative path, false otherwise.
void has_relative_path(const Twine &path, bool &result);
/// @result True if the path has a relative path, false otherwise.
const bool has_relative_path(const Twine &path);
/// @brief Has parent path?
///
/// parent_path != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a parent path, false otherwise.
void has_parent_path(const Twine &path, bool &result);
/// @result True if the path has a parent path, false otherwise.
const bool has_parent_path(const Twine &path);
/// @brief Has filename?
///
/// filename != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a filename, false otherwise.
void has_filename(const Twine &path, bool &result);
/// @result True if the path has a filename, false otherwise.
const bool has_filename(const Twine &path);
/// @brief Has stem?
///
/// stem != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a stem, false otherwise.
void has_stem(const Twine &path, bool &result);
/// @result True if the path has a stem, false otherwise.
const bool has_stem(const Twine &path);
/// @brief Has extension?
///
/// extension != ""
///
/// @param path Input path.
/// @param result Set to true if the path has a extension, false otherwise.
void has_extension(const Twine &path, bool &result);
/// @result True if the path has a extension, false otherwise.
const bool has_extension(const Twine &path);
/// @brief Is path absolute?
///
/// @param path Input path.
/// @param result Set to true if the path is absolute, false if it is not.
void is_absolute(const Twine &path, bool &result);
/// @result True if the path is absolute, false if it is not.
const bool is_absolute(const Twine &path);
/// @brief Is path relative?
///
/// @param path Input path.
/// @param result Set to true if the path is relative, false if it is not.
void is_relative(const Twine &path, bool &result);
/// @result True if the path is relative, false if it is not.
const bool is_relative(const Twine &path);
} // end namespace path
} // end namespace sys