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//===--- ASTDumperUtils.h - Printing of AST nodes -------------------------===//
//
// 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 implements AST utilities for traversal down the tree.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_ASTDUMPERUTILS_H
#define LLVM_CLANG_AST_ASTDUMPERUTILS_H
#include "llvm/Support/raw_ostream.h"
namespace clang {
/// Used to specify the format for printing AST dump information.
enum ASTDumpOutputFormat {
ADOF_Default,
ADOF_JSON
};
// Colors used for various parts of the AST dump
// Do not use bold yellow for any text. It is hard to read on white screens.
struct TerminalColor {
llvm::raw_ostream::Colors Color;
bool Bold;
};
// Red - CastColor
// Green - TypeColor
// Bold Green - DeclKindNameColor, UndeserializedColor
// Yellow - AddressColor, LocationColor
// Blue - CommentColor, NullColor, IndentColor
// Bold Blue - AttrColor
// Bold Magenta - StmtColor
// Cyan - ValueKindColor, ObjectKindColor
// Bold Cyan - ValueColor, DeclNameColor
// Decl kind names (VarDecl, FunctionDecl, etc)
static const TerminalColor DeclKindNameColor = {llvm::raw_ostream::GREEN, true};
// Attr names (CleanupAttr, GuardedByAttr, etc)
static const TerminalColor AttrColor = {llvm::raw_ostream::BLUE, true};
// Statement names (DeclStmt, ImplicitCastExpr, etc)
static const TerminalColor StmtColor = {llvm::raw_ostream::MAGENTA, true};
// Comment names (FullComment, ParagraphComment, TextComment, etc)
static const TerminalColor CommentColor = {llvm::raw_ostream::BLUE, false};
// Type names (int, float, etc, plus user defined types)
static const TerminalColor TypeColor = {llvm::raw_ostream::GREEN, false};
// Pointer address
static const TerminalColor AddressColor = {llvm::raw_ostream::YELLOW, false};
// Source locations
static const TerminalColor LocationColor = {llvm::raw_ostream::YELLOW, false};
// lvalue/xvalue
static const TerminalColor ValueKindColor = {llvm::raw_ostream::CYAN, false};
// bitfield/objcproperty/objcsubscript/vectorcomponent
static const TerminalColor ObjectKindColor = {llvm::raw_ostream::CYAN, false};
// contains-errors
static const TerminalColor ErrorsColor = {llvm::raw_ostream::RED, true};
// Null statements
static const TerminalColor NullColor = {llvm::raw_ostream::BLUE, false};
// Undeserialized entities
static const TerminalColor UndeserializedColor = {llvm::raw_ostream::GREEN,
true};
// CastKind from CastExpr's
static const TerminalColor CastColor = {llvm::raw_ostream::RED, false};
// Value of the statement
static const TerminalColor ValueColor = {llvm::raw_ostream::CYAN, true};
// Decl names
static const TerminalColor DeclNameColor = {llvm::raw_ostream::CYAN, true};
// Indents ( `, -. | )
static const TerminalColor IndentColor = {llvm::raw_ostream::BLUE, false};
class ColorScope {
llvm::raw_ostream &OS;
const bool ShowColors;
public:
ColorScope(llvm::raw_ostream &OS, bool ShowColors, TerminalColor Color)
: OS(OS), ShowColors(ShowColors) {
if (ShowColors)
OS.changeColor(Color.Color, Color.Bold);
}
~ColorScope() {
if (ShowColors)
OS.resetColor();
}
};
} // namespace clang
#endif // LLVM_CLANG_AST_ASTDUMPERUTILS_H
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