1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
//===--- PrettyPrinter.h - Classes for aiding with AST printing -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the PrinterHelper interface.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_PRETTY_PRINTER_H
#define LLVM_CLANG_AST_PRETTY_PRINTER_H
namespace llvm {
class raw_ostream;
}
namespace clang {
class Stmt;
class TagDecl;
class PrinterHelper {
public:
virtual ~PrinterHelper();
virtual bool handledStmt(Stmt* E, llvm::raw_ostream& OS) = 0;
};
/// \brief Describes how types, statements, expressions, and
/// declarations should be printed.
struct PrintingPolicy {
/// \brief Create a default printing policy for C.
PrintingPolicy()
: Indentation(2), CPlusPlus(false), SuppressTypeSpecifiers(false),
SuppressTagKind(false), Dump(false), OwnedTag(0) { }
/// \brief The number of spaces to use to indent each line.
unsigned Indentation : 8;
/// \brief Whether we're printing C++ code (otherwise, we're
/// printing C code).
bool CPlusPlus : 1;
/// \brief Whether we should suppress printing of the actual type
/// specifiers within the type that we are printing.
///
/// 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
///
/// SuppressTypeSpecifiers 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".
bool SuppressTypeSpecifiers : 1;
/// \brief If we are printing a tag type, suppresses printing of the
/// kind of tag, e.g., "struct", "union", "enum".
bool SuppressTagKind : 1;
/// \brief True when we are "dumping" rather than "pretty-printing",
/// where dumping involves printing the internal details of the AST
/// and pretty-printing involves printing something similar to
/// source code.
bool Dump : 1;
/// \brief If we are printing a type where the tag type (e.g., a
/// class or enum type) was declared or defined within the type
/// itself, OwnedTag will point at the declaration node owned by
/// this type.
///
/// Owned tags occur when a tag type is defined as part of the
/// declaration specifiers of another declarator, e.g.,
///
/// \code
/// typedef struct { int x, y; } Point;
/// \endcode
///
/// Here, the anonymous struct definition is owned by the type of
/// Point. The actual representation uses a DeclGroup to store both
/// the RecordDecl and the TypedefDecl.
TagDecl *OwnedTag;
};
} // end namespace clang
#endif
|
