summaryrefslogtreecommitdiffstats
path: root/Source/cmCustomCommandGenerator.cxx
blob: 8bd3a8927ca53a2e722424be8f00f4416de83bcc (plain)
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmCustomCommandGenerator.h"

#include "cmCustomCommand.h"
#include "cmCustomCommandLines.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorTarget.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmOutputConverter.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cm_auto_ptr.hxx"

#include <cmConfigure.h>

cmCustomCommandGenerator::cmCustomCommandGenerator(cmCustomCommand const& cc,
                                                   const std::string& config,
                                                   cmLocalGenerator* lg)
  : CC(cc)
  , Config(config)
  , LG(lg)
  , OldStyle(cc.GetEscapeOldStyle())
  , MakeVars(cc.GetEscapeAllowMakeVars())
  , GE(new cmGeneratorExpression(cc.GetBacktrace()))
  , DependsDone(false)
{
}

cmCustomCommandGenerator::~cmCustomCommandGenerator()
{
  delete this->GE;
}

unsigned int cmCustomCommandGenerator::GetNumberOfCommands() const
{
  return static_cast<unsigned int>(this->CC.GetCommandLines().size());
}

const char* cmCustomCommandGenerator::GetCrossCompilingEmulator(
  unsigned int c) const
{
  if (!this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING")) {
    return CM_NULLPTR;
  }
  std::string const& argv0 = this->CC.GetCommandLines()[c][0];
  cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
  if (target && target->GetType() == cmStateEnums::EXECUTABLE &&
      !target->IsImported()) {
    return target->GetProperty("CROSSCOMPILING_EMULATOR");
  }
  return CM_NULLPTR;
}

const char* cmCustomCommandGenerator::GetArgv0Location(unsigned int c) const
{
  std::string const& argv0 = this->CC.GetCommandLines()[c][0];
  cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
  if (target && target->GetType() == cmStateEnums::EXECUTABLE &&
      (target->IsImported() ||
       target->GetProperty("CROSSCOMPILING_EMULATOR") ||
       !this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING"))) {
    return target->GetLocation(this->Config);
  }
  return CM_NULLPTR;
}

std::string cmCustomCommandGenerator::GetCommand(unsigned int c) const
{
  if (const char* emulator = this->GetCrossCompilingEmulator(c)) {
    return std::string(emulator);
  }
  if (const char* location = this->GetArgv0Location(c)) {
    return std::string(location);
  }

  std::string const& argv0 = this->CC.GetCommandLines()[c][0];
  CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = this->GE->Parse(argv0);
  std::string exe = cge->Evaluate(this->LG, this->Config);

  return exe;
}

std::string escapeForShellOldStyle(const std::string& str)
{
  std::string result;
#if defined(_WIN32) && !defined(__CYGWIN__)
  // if there are spaces
  std::string temp = str;
  if (temp.find(" ") != std::string::npos &&
      temp.find("\"") == std::string::npos) {
    result = "\"";
    result += str;
    result += "\"";
    return result;
  }
  return str;
#else
  for (const char* ch = str.c_str(); *ch != '\0'; ++ch) {
    if (*ch == ' ') {
      result += '\\';
    }
    result += *ch;
  }
  return result;
#endif
}

void cmCustomCommandGenerator::AppendArguments(unsigned int c,
                                               std::string& cmd) const
{
  unsigned int offset = 1;
  if (this->GetCrossCompilingEmulator(c) != CM_NULLPTR) {
    offset = 0;
  }
  cmCustomCommandLine const& commandLine = this->CC.GetCommandLines()[c];
  for (unsigned int j = offset; j < commandLine.size(); ++j) {
    std::string arg;
    if (const char* location =
          j == 0 ? this->GetArgv0Location(c) : CM_NULLPTR) {
      // GetCommand returned the emulator instead of the argv0 location,
      // so transform the latter now.
      arg = location;
    } else {
      arg = this->GE->Parse(commandLine[j])->Evaluate(this->LG, this->Config);
    }
    cmd += " ";
    if (this->OldStyle) {
      cmd += escapeForShellOldStyle(arg);
    } else {
      cmOutputConverter converter(this->LG->GetStateSnapshot());
      cmd += converter.EscapeForShell(arg, this->MakeVars);
    }
  }
}

const char* cmCustomCommandGenerator::GetComment() const
{
  return this->CC.GetComment();
}

std::string cmCustomCommandGenerator::GetWorkingDirectory() const
{
  return this->CC.GetWorkingDirectory();
}

std::vector<std::string> const& cmCustomCommandGenerator::GetOutputs() const
{
  return this->CC.GetOutputs();
}

std::vector<std::string> const& cmCustomCommandGenerator::GetByproducts() const
{
  return this->CC.GetByproducts();
}

std::vector<std::string> const& cmCustomCommandGenerator::GetDepends() const
{
  if (!this->DependsDone) {
    this->DependsDone = true;
    std::vector<std::string> depends = this->CC.GetDepends();
    for (std::vector<std::string>::const_iterator i = depends.begin();
         i != depends.end(); ++i) {
      CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = this->GE->Parse(*i);
      std::vector<std::string> result;
      cmSystemTools::ExpandListArgument(cge->Evaluate(this->LG, this->Config),
                                        result);
      for (std::vector<std::string>::iterator it = result.begin();
           it != result.end(); ++it) {
        if (cmSystemTools::FileIsFullPath(it->c_str())) {
          *it = cmSystemTools::CollapseFullPath(*it);
        }
      }
      this->Depends.insert(this->Depends.end(), result.begin(), result.end());
    }
  }
  return this->Depends;
}