[clang] 404b1b2 - [Tooling/Inclusion] Add missing placerholder _1 symbols.
Haojian Wu via cfe-commits
cfe-commits at lists.llvm.org
Thu Mar 9 00:20:52 PST 2023
Author: Haojian Wu
Date: 2023-03-09T09:20:42+01:00
New Revision: 404b1b2ed42f6138a0e91b337150a90108c1b155
URL: https://github.com/llvm/llvm-project/commit/404b1b2ed42f6138a0e91b337150a90108c1b155
DIFF: https://github.com/llvm/llvm-project/commit/404b1b2ed42f6138a0e91b337150a90108c1b155.diff
LOG: [Tooling/Inclusion] Add missing placerholder _1 symbols.
Differential Revision: https://reviews.llvm.org/D145553
Added:
Modified:
clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc
clang/tools/include-mapping/gen_std.py
Removed:
################################################################################
diff --git a/clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc b/clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc
index ecdcfee35128b..aa2227b646774 100644
--- a/clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc
+++ b/clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc
@@ -254,6 +254,40 @@ SYMBOL(index_sequence_for, std::, <utility>)
SYMBOL(make_index_sequence, std::, <utility>)
SYMBOL(make_integer_sequence, std::, <utility>)
+// The std::placeholder symbols (_1, ..., _N) are listed in the cppreference
+// placeholder.html, but the index only contains a single entry with "_1, _2, ..., _N"
+// text, which are not handled by the script.
+// N is an implementation-defined number (10 for libc++; 29 for libstdc++).
+SYMBOL(_1, std::placeholders::, <functional>)
+SYMBOL(_2, std::placeholders::, <functional>)
+SYMBOL(_3, std::placeholders::, <functional>)
+SYMBOL(_4, std::placeholders::, <functional>)
+SYMBOL(_5, std::placeholders::, <functional>)
+SYMBOL(_6, std::placeholders::, <functional>)
+SYMBOL(_7, std::placeholders::, <functional>)
+SYMBOL(_8, std::placeholders::, <functional>)
+SYMBOL(_9, std::placeholders::, <functional>)
+SYMBOL(_10, std::placeholders::, <functional>)
+SYMBOL(_11, std::placeholders::, <functional>)
+SYMBOL(_12, std::placeholders::, <functional>)
+SYMBOL(_13, std::placeholders::, <functional>)
+SYMBOL(_14, std::placeholders::, <functional>)
+SYMBOL(_15, std::placeholders::, <functional>)
+SYMBOL(_16, std::placeholders::, <functional>)
+SYMBOL(_17, std::placeholders::, <functional>)
+SYMBOL(_18, std::placeholders::, <functional>)
+SYMBOL(_19, std::placeholders::, <functional>)
+SYMBOL(_20, std::placeholders::, <functional>)
+SYMBOL(_21, std::placeholders::, <functional>)
+SYMBOL(_22, std::placeholders::, <functional>)
+SYMBOL(_23, std::placeholders::, <functional>)
+SYMBOL(_24, std::placeholders::, <functional>)
+SYMBOL(_25, std::placeholders::, <functional>)
+SYMBOL(_26, std::placeholders::, <functional>)
+SYMBOL(_27, std::placeholders::, <functional>)
+SYMBOL(_28, std::placeholders::, <functional>)
+SYMBOL(_29, std::placeholders::, <functional>)
+
// Macros
SYMBOL(NULL, None, <cstddef>)
SYMBOL(NULL, None, <stddef.h>)
diff --git a/clang/tools/include-mapping/gen_std.py b/clang/tools/include-mapping/gen_std.py
index 291946ef5378b..45ae60fc6f000 100755
--- a/clang/tools/include-mapping/gen_std.py
+++ b/clang/tools/include-mapping/gen_std.py
@@ -245,9 +245,8 @@ def main():
# We don't index std literal operators (e.g.
# std::literals::chrono_literals::operator""d), these symbols can't be
# accessed by std::<symbol_name>.
- # FIXME: index std::placeholders symbols, placeholders.html page is
- #
diff erent (which contains one entry for _1, _2, ..., _N), we need special
- # handling.
+ #
+ # std::placeholders symbols are handled manually in StdSpecialSymbolMap.inc
(symbol_index_root, "chrono.html", "std::chrono::"),
(symbol_index_root, "filesystem.html", "std::filesystem::"),
(symbol_index_root, "pmr.html", "std::pmr::"),
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