1 //===- Line.h ---------------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_DEBUGINFO_CODEVIEW_LINE_H
11 #define LLVM_DEBUGINFO_CODEVIEW_LINE_H
13 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
14 #include "llvm/Support/Endian.h"
20 using llvm::support::ulittle32_t;
25 AlwaysStepIntoLineNumber = 0xfeefee,
26 NeverStepIntoLineNumber = 0xf00f00
29 enum : int { EndLineDeltaShift = 24 };
32 StartLineMask = 0x00ffffff,
33 EndLineDeltaMask = 0x7f000000,
34 StatementFlag = 0x80000000u
37 LineInfo(uint32_t StartLine, uint32_t EndLine, bool IsStatement);
38 LineInfo(uint32_t LineData) : LineData(LineData) {}
40 uint32_t getStartLine() const { return LineData & StartLineMask; }
42 uint32_t getLineDelta() const {
43 return (LineData & EndLineDeltaMask) >> EndLineDeltaShift;
46 uint32_t getEndLine() const { return getStartLine() + getLineDelta(); }
48 bool isStatement() const { return (LineData & StatementFlag) != 0; }
50 uint32_t getRawData() const { return LineData; }
52 bool isAlwaysStepInto() const {
53 return getStartLine() == AlwaysStepIntoLineNumber;
56 bool isNeverStepInto() const {
57 return getStartLine() == NeverStepIntoLineNumber;
66 static const uint32_t StartColumnMask = 0x0000ffffu;
67 static const uint32_t EndColumnMask = 0xffff0000u;
68 static const int EndColumnShift = 16;
71 ColumnInfo(uint16_t StartColumn, uint16_t EndColumn) {
73 (static_cast<uint32_t>(StartColumn) & StartColumnMask) |
74 ((static_cast<uint32_t>(EndColumn) << EndColumnShift) & EndColumnMask);
77 uint16_t getStartColumn() const {
78 return static_cast<uint16_t>(ColumnData & StartColumnMask);
81 uint16_t getEndColumn() const {
82 return static_cast<uint16_t>((ColumnData & EndColumnMask) >>
86 uint32_t getRawData() const { return ColumnData; }
99 Line(int32_t CodeOffset, uint32_t StartLine, uint32_t EndLine,
100 uint16_t StartColumn, uint16_t EndColumn, bool IsStatement)
101 : CodeOffset(CodeOffset), LineInf(StartLine, EndLine, IsStatement),
102 ColumnInf(StartColumn, EndColumn) {}
104 Line(int32_t CodeOffset, LineInfo LineInf, ColumnInfo ColumnInf)
105 : CodeOffset(CodeOffset), LineInf(LineInf), ColumnInf(ColumnInf) {}
107 LineInfo getLineInfo() const { return LineInf; }
109 ColumnInfo getColumnInfo() const { return ColumnInf; }
111 int32_t getCodeOffset() const { return CodeOffset; }
113 uint32_t getStartLine() const { return LineInf.getStartLine(); }
115 uint32_t getLineDelta() const { return LineInf.getLineDelta(); }
117 uint32_t getEndLine() const { return LineInf.getEndLine(); }
119 uint16_t getStartColumn() const { return ColumnInf.getStartColumn(); }
121 uint16_t getEndColumn() const { return ColumnInf.getEndColumn(); }
123 bool isStatement() const { return LineInf.isStatement(); }
125 bool isAlwaysStepInto() const { return LineInf.isAlwaysStepInto(); }
127 bool isNeverStepInto() const { return LineInf.isNeverStepInto(); }
130 } // namespace codeview