[libc-commits] [libc] [libc] Add regex AST and ExprPool (PR #198728)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/src/__support/regex/regex_ast.h libc/src/__support/regex/regex_expr_pool.cpp libc/src/__support/regex/regex_expr_pool.h libc/test/src/__support/regex/expr_test.cpp libc/hdr/regex_macros.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/libc/test/src/__support/regex/expr_test.cpp b/libc/test/src/__support/regex/expr_test.cpp
index efaf7f4fd..48349851a 100644
--- a/libc/test/src/__support/regex/expr_test.cpp
+++ b/libc/test/src/__support/regex/expr_test.cpp
@@ -6,14 +6,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/regex/regex_expr_pool.h"
-#include "src/__support/regex/regex_ast.h"
 #include "hdr/regex_macros.h"
+#include "src/__support/regex/regex_ast.h"
+#include "src/__support/regex/regex_expr_pool.h"
 #include "test/UnitTest/Test.h"
 
 using LIBC_NAMESPACE::Expr;
-using LIBC_NAMESPACE::ExprPool;
 using LIBC_NAMESPACE::ExprKind;
+using LIBC_NAMESPACE::ExprPool;
 
 TEST(LlvmLibcRegexExprTest, Interning) {
   ExprPool pool;
@@ -69,9 +69,9 @@ TEST(LlvmLibcRegexExprTest, MemoryLimits) {
   ExprPool pool;
   // MAX_NODES is 10000. Let's try to exceed it.
   // We can't easily create 10001 unique literals, so we can use composites.
-  // Actually, make_lit('a') + i might work if we have enough chars? 
+  // Actually, make_lit('a') + i might work if we have enough chars?
   // Wait, there are only 256 chars.
-  
+
   // We can create unique concatenations.
   auto lit_a = pool.make_lit('a').value();
   auto current = lit_a;

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https://github.com/llvm/llvm-project/pull/198728