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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/clang14/include/clang/AST/PrettyPrinter.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
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+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===--- PrettyPrinter.h - Classes for aiding with AST printing -*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines helper types for AST pretty-printing.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_PRETTYPRINTER_H
+#define LLVM_CLANG_AST_PRETTYPRINTER_H
+
+#include "clang/Basic/LLVM.h"
+#include "clang/Basic/LangOptions.h"
+
+namespace clang {
+
+class DeclContext;
+class LangOptions;
+class Stmt;
+
+class PrinterHelper {
+public:
+ virtual ~PrinterHelper();
+ virtual bool handledStmt(Stmt* E, raw_ostream& OS) = 0;
+};
+
+/// Callbacks to use to customize the behavior of the pretty-printer.
+class PrintingCallbacks {
+protected:
+ ~PrintingCallbacks() = default;
+
+public:
+ /// Remap a path to a form suitable for printing.
+ virtual std::string remapPath(StringRef Path) const {
+ return std::string(Path);
+ }
+
+ /// When printing type to be inserted into code in specific context, this
+ /// callback can be used to avoid printing the redundant part of the
+ /// qualifier. For example, when inserting code inside namespace foo, we
+ /// should print bar::SomeType instead of foo::bar::SomeType.
+ /// To do this, shouldPrintScope should return true on "foo" NamespaceDecl.
+ /// The printing stops at the first isScopeVisible() == true, so there will
+ /// be no calls with outer scopes.
+ virtual bool isScopeVisible(const DeclContext *DC) const { return false; }
+};
+
+/// Describes how types, statements, expressions, and declarations should be
+/// printed.
+///
+/// This type is intended to be small and suitable for passing by value.
+/// It is very frequently copied.
+struct PrintingPolicy {
+ /// Create a default printing policy for the specified language.
+ PrintingPolicy(const LangOptions &LO)
+ : Indentation(2), SuppressSpecifiers(false),
+ SuppressTagKeyword(LO.CPlusPlus), IncludeTagDefinition(false),
+ SuppressScope(false), SuppressUnwrittenScope(false),
+ SuppressInlineNamespace(true), SuppressInitializers(false),
+ ConstantArraySizeAsWritten(false), AnonymousTagLocations(true),
+ SuppressStrongLifetime(false), SuppressLifetimeQualifiers(false),
+ SuppressTemplateArgsInCXXConstructors(false),
+ SuppressDefaultTemplateArgs(true), Bool(LO.Bool),
+ Nullptr(LO.CPlusPlus11), Restrict(LO.C99), Alignof(LO.CPlusPlus11),
+ UnderscoreAlignof(LO.C11), UseVoidForZeroParams(!LO.CPlusPlus),
+ SplitTemplateClosers(!LO.CPlusPlus11), TerseOutput(false),
+ PolishForDeclaration(false), Half(LO.Half),
+ MSWChar(LO.MicrosoftExt && !LO.WChar), IncludeNewlines(true),
+ MSVCFormatting(false), ConstantsAsWritten(false),
+ SuppressImplicitBase(false), FullyQualifiedName(false),
+ PrintCanonicalTypes(false), PrintInjectedClassNameWithArguments(true),
+ UsePreferredNames(true), AlwaysIncludeTypeForTemplateArgument(false),
+ CleanUglifiedParameters(false) {}
+
+ /// Adjust this printing policy for cases where it's known that we're
+ /// printing C++ code (for instance, if AST dumping reaches a C++-only
+ /// construct). This should not be used if a real LangOptions object is
+ /// available.
+ void adjustForCPlusPlus() {
+ SuppressTagKeyword = true;
+ Bool = true;
+ UseVoidForZeroParams = false;
+ }
+
+ /// The number of spaces to use to indent each line.
+ unsigned Indentation : 8;
+
+ /// Whether we should suppress printing of the actual specifiers for
+ /// the given type or declaration.
+ ///
+ /// This flag is only used when we are printing declarators beyond
+ /// the first declarator within a declaration group. For example, given:
+ ///
+ /// \code
+ /// const int *x, *y;
+ /// \endcode
+ ///
+ /// SuppressSpecifiers will be false when printing the
+ /// declaration for "x", so that we will print "int *x"; it will be
+ /// \c true when we print "y", so that we suppress printing the
+ /// "const int" type specifier and instead only print the "*y".
+ unsigned SuppressSpecifiers : 1;
+
+ /// Whether type printing should skip printing the tag keyword.
+ ///
+ /// This is used when printing the inner type of elaborated types,
+ /// (as the tag keyword is part of the elaborated type):
+ ///
+ /// \code
+ /// struct Geometry::Point;
+ /// \endcode
+ unsigned SuppressTagKeyword : 1;
+
+ /// When true, include the body of a tag definition.
+ ///
+ /// This is used to place the definition of a struct
+ /// in the middle of another declaration as with:
+ ///
+ /// \code
+ /// typedef struct { int x, y; } Point;
+ /// \endcode
+ unsigned IncludeTagDefinition : 1;
+
+ /// Suppresses printing of scope specifiers.
+ unsigned SuppressScope : 1;
+
+ /// Suppress printing parts of scope specifiers that are never
+ /// written, e.g., for anonymous namespaces.
+ unsigned SuppressUnwrittenScope : 1;
+
+ /// Suppress printing parts of scope specifiers that correspond
+ /// to inline namespaces, where the name is unambiguous with the specifier
+ /// removed.
+ unsigned SuppressInlineNamespace : 1;
+
+ /// Suppress printing of variable initializers.
+ ///
+ /// This flag is used when printing the loop variable in a for-range
+ /// statement. For example, given:
+ ///
+ /// \code
+ /// for (auto x : coll)
+ /// \endcode
+ ///
+ /// SuppressInitializers will be true when printing "auto x", so that the
+ /// internal initializer constructed for x will not be printed.
+ unsigned SuppressInitializers : 1;
+
+ /// Whether we should print the sizes of constant array expressions as written
+ /// in the sources.
+ ///
+ /// This flag determines whether array types declared as
+ ///
+ /// \code
+ /// int a[4+10*10];
+ /// char a[] = "A string";
+ /// \endcode
+ ///
+ /// will be printed as written or as follows:
+ ///
+ /// \code
+ /// int a[104];
+ /// char a[9] = "A string";
+ /// \endcode
+ unsigned ConstantArraySizeAsWritten : 1;
+
+ /// When printing an anonymous tag name, also print the location of that
+ /// entity (e.g., "enum <anonymous at t.h:10:5>"). Otherwise, just prints
+ /// "(anonymous)" for the name.
+ unsigned AnonymousTagLocations : 1;
+
+ /// When true, suppress printing of the __strong lifetime qualifier in ARC.
+ unsigned SuppressStrongLifetime : 1;
+
+ /// When true, suppress printing of lifetime qualifier in ARC.
+ unsigned SuppressLifetimeQualifiers : 1;
+
+ /// When true, suppresses printing template arguments in names of C++
+ /// constructors.
+ unsigned SuppressTemplateArgsInCXXConstructors : 1;
+
+ /// When true, attempt to suppress template arguments that match the default
+ /// argument for the parameter.
+ unsigned SuppressDefaultTemplateArgs : 1;
+
+ /// Whether we can use 'bool' rather than '_Bool' (even if the language
+ /// doesn't actually have 'bool', because, e.g., it is defined as a macro).
+ unsigned Bool : 1;
+
+ /// Whether we should use 'nullptr' rather than '0' as a null pointer
+ /// constant.
+ unsigned Nullptr : 1;
+
+ /// Whether we can use 'restrict' rather than '__restrict'.
+ unsigned Restrict : 1;
+
+ /// Whether we can use 'alignof' rather than '__alignof'.
+ unsigned Alignof : 1;
+
+ /// Whether we can use '_Alignof' rather than '__alignof'.
+ unsigned UnderscoreAlignof : 1;
+
+ /// Whether we should use '(void)' rather than '()' for a function prototype
+ /// with zero parameters.
+ unsigned UseVoidForZeroParams : 1;
+
+ /// Whether nested templates must be closed like 'a\<b\<c\> \>' rather than
+ /// 'a\<b\<c\>\>'.
+ unsigned SplitTemplateClosers : 1;
+
+ /// Provide a 'terse' output.
+ ///
+ /// For example, in this mode we don't print function bodies, class members,
+ /// declarations inside namespaces etc. Effectively, this should print
+ /// only the requested declaration.
+ unsigned TerseOutput : 1;
+
+ /// When true, do certain refinement needed for producing proper declaration
+ /// tag; such as, do not print attributes attached to the declaration.
+ ///
+ unsigned PolishForDeclaration : 1;
+
+ /// When true, print the half-precision floating-point type as 'half'
+ /// instead of '__fp16'
+ unsigned Half : 1;
+
+ /// When true, print the built-in wchar_t type as __wchar_t. For use in
+ /// Microsoft mode when wchar_t is not available.
+ unsigned MSWChar : 1;
+
+ /// When true, include newlines after statements like "break", etc.
+ unsigned IncludeNewlines : 1;
+
+ /// Use whitespace and punctuation like MSVC does. In particular, this prints
+ /// anonymous namespaces as `anonymous namespace' and does not insert spaces
+ /// after template arguments.
+ unsigned MSVCFormatting : 1;
+
+ /// Whether we should print the constant expressions as written in the
+ /// sources.
+ ///
+ /// This flag determines whether constants expressions like
+ ///
+ /// \code
+ /// 0x10
+ /// 2.5e3
+ /// \endcode
+ ///
+ /// will be printed as written or as follows:
+ ///
+ /// \code
+ /// 0x10
+ /// 2.5e3
+ /// \endcode
+ unsigned ConstantsAsWritten : 1;
+
+ /// When true, don't print the implicit 'self' or 'this' expressions.
+ unsigned SuppressImplicitBase : 1;
+
+ /// When true, print the fully qualified name of function declarations.
+ /// This is the opposite of SuppressScope and thus overrules it.
+ unsigned FullyQualifiedName : 1;
+
+ /// Whether to print types as written or canonically.
+ unsigned PrintCanonicalTypes : 1;
+
+ /// Whether to print an InjectedClassNameType with template arguments or as
+ /// written. When a template argument is unnamed, printing it results in
+ /// invalid C++ code.
+ unsigned PrintInjectedClassNameWithArguments : 1;
+
+ /// Whether to use C++ template preferred_name attributes when printing
+ /// templates.
+ unsigned UsePreferredNames : 1;
+
+ /// Whether to use type suffixes (eg: 1U) on integral non-type template
+ /// parameters.
+ unsigned AlwaysIncludeTypeForTemplateArgument : 1;
+
+ /// Whether to strip underscores when printing reserved parameter names.
+ /// e.g. std::vector<class _Tp> becomes std::vector<class Tp>.
+ /// This only affects parameter names, and so describes a compatible API.
+ unsigned CleanUglifiedParameters : 1;
+
+ /// Callbacks to use to allow the behavior of printing to be customized.
+ const PrintingCallbacks *Callbacks = nullptr;
+};
+
+} // end namespace clang
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif