File: cmRemoveCommand.cxx

package info (click to toggle)
cmake 4.1.2-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 147,412 kB
  • sloc: ansic: 403,924; cpp: 290,826; sh: 4,091; python: 3,357; yacc: 3,106; lex: 1,189; f90: 532; asm: 471; lisp: 375; cs: 270; java: 266; fortran: 230; perl: 217; objc: 215; xml: 198; makefile: 98; javascript: 83; pascal: 63; tcl: 55; php: 25; ruby: 22
file content (56 lines) | stat: -rw-r--r-- 1,379 bytes parent folder | download
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
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file LICENSE.rst or https://cmake.org/licensing for details.  */
#include "cmRemoveCommand.h"

#include "cmExecutionStatus.h"
#include "cmList.h"
#include "cmMakefile.h"
#include "cmValue.h"

// cmRemoveCommand
bool cmRemoveCommand(std::vector<std::string> const& args,
                     cmExecutionStatus& status)
{
  if (args.empty()) {
    return true;
  }

  std::string const& variable = args[0]; // VAR is always first
  // get the old value
  cmValue cacheValue = status.GetMakefile().GetDefinition(variable);

  // if there is no old value then return
  if (!cacheValue) {
    return true;
  }

  // expand the variable
  cmList const varArgsExpanded{ *cacheValue };

  // expand the args
  // check for REMOVE(VAR v1 v2 ... vn)
  cmList const argsExpanded{ args.begin() + 1, args.end() };

  // now create the new value
  std::string value;
  for (std::string const& varArgExpanded : varArgsExpanded) {
    int found = 0;
    for (std::string const& argExpanded : argsExpanded) {
      if (varArgExpanded == argExpanded) {
        found = 1;
        break;
      }
    }
    if (!found) {
      if (!value.empty()) {
        value += ";";
      }
      value += varArgExpanded;
    }
  }

  // add the definition
  status.GetMakefile().AddDefinition(variable, value);

  return true;
}