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1 //===- FileAction.cpp -----------------------------------------------------===//
2 //
3 //                     The MCLinker Project
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 #include <mcld/MC/FileAction.h>
10 #include <mcld/MC/Input.h>
11 #include <mcld/MC/InputBuilder.h>
12 
13 using namespace mcld;
14 
15 //===----------------------------------------------------------------------===//
16 // ContextAction
17 //===----------------------------------------------------------------------===//
ContextAction(unsigned int pPosition)18 ContextAction::ContextAction(unsigned int pPosition)
19   : InputAction(pPosition) {
20 }
21 
activate(InputBuilder & pBuilder) const22 bool ContextAction::activate(InputBuilder& pBuilder) const
23 {
24   Input* input = *pBuilder.getCurrentNode();
25 
26   if (input->hasContext())
27     return false;
28 
29   // already got type - for example, bitcode
30   if (input->type() == Input::Script ||
31       input->type() == Input::Object ||
32       input->type() == Input::DynObj  ||
33       input->type() == Input::Archive)
34     return false;
35 
36   return pBuilder.setContext(*input);
37 }
38 
39 //===----------------------------------------------------------------------===//
40 // MemoryAreaAction
41 //===----------------------------------------------------------------------===//
MemoryAreaAction(unsigned int pPosition,FileHandle::OpenMode pMode,FileHandle::Permission pPerm)42 MemoryAreaAction::MemoryAreaAction(unsigned int pPosition,
43                                    FileHandle::OpenMode pMode,
44                                    FileHandle::Permission pPerm)
45   : InputAction(pPosition), m_Mode(pMode), m_Permission(pPerm) {
46 }
47 
activate(InputBuilder & pBuilder) const48 bool MemoryAreaAction::activate(InputBuilder& pBuilder) const
49 {
50   Input* input = *pBuilder.getCurrentNode();
51 
52   if (input->hasMemArea())
53     return false;
54 
55   // already got type - for example, bitcode
56   if (input->type() == Input::Script ||
57       input->type() == Input::Object ||
58       input->type() == Input::DynObj  ||
59       input->type() == Input::Archive)
60     return false;
61 
62   return pBuilder.setMemory(*input, m_Mode, m_Permission);
63 }
64 
65