Merge topic 'output-compile-lines'

cdc2b41 Fix CompileCommandOutput test build on Windows
7039d1f Fix CompileCommandOutput test for Make tools not supporting spaces
4268e3d run_compile_commands: Cast istream::get() result to char
c45c60b run_compile_commands: Avoid extra stl vector conversion
7c5be51 run_compile_commands: Avoid shadow in std::map<>::at workaround
169bb05 Provide std::map<>::at for use in run_compile_commands
4e2185c Make std::map usage more portable in language=>flags/defines maps
a7e7a04 Fix run_compile_commands build on Apple GCC 3.3
c9174c0 Fix signed/unsigned comparison in EscapeJSON
8346a28 Only offer the compile command output feature on unix systems
0e6b05f Adds a test for the compile command line output.
5674844 make compile command output optional
fe07b05 implement cxx command output
65c0c24 cache flags and defines
3f064ef refactor flags and defines

1 files changed, 41 insertions, 0 deletions

diff --git a/Source/cmGlobalUnixMakefileGenerator3.cxx b/Source/cmGlobalUnixMakefileGenerator3.cxx
index 55ff87e..169d77d 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.cxx
+++ b/Source/cmGlobalUnixMakefileGenerator3.cxx
@@ -30,6 +30,7 @@ cmGlobalUnixMakefileGenerator3::cmGlobalUnixMakefileGenerator3()
 #else
   this->UseLinkScript = true;
 #endif
+  this->CommandDatabase = NULL;
 }
 
 void cmGlobalUnixMakefileGenerator3
@@ -138,6 +139,17 @@ void cmGlobalUnixMakefileGenerator3
 }
 
 //----------------------------------------------------------------------------
+std::string EscapeJSON(const std::string& s) {
+  std::string result;
+  for (std::string::size_type i = 0; i < s.size(); ++i) {
+    if (s[i] == '"' || s[i] == '\\') {
+      result += '\\';
+    }
+    result += s[i];
+  }
+  return result;
+}
+
 void cmGlobalUnixMakefileGenerator3::Generate()
 {
   // first do superclass method
@@ -179,6 +191,35 @@ void cmGlobalUnixMakefileGenerator3::Generate()
   // write the main makefile
   this->WriteMainMakefile2();
   this->WriteMainCMakefile();
+
+  if (this->CommandDatabase != NULL) {
+    *this->CommandDatabase << std::endl << "]";
+    delete this->CommandDatabase;
+    this->CommandDatabase = NULL;
+  }
+}
+
+void cmGlobalUnixMakefileGenerator3::AddCXXCompileCommand(
+    const std::string &sourceFile, const std::string &workingDirectory,
+    const std::string &compileCommand) {
+  if (this->CommandDatabase == NULL)
+    {
+    std::string commandDatabaseName =
+      std::string(this->GetCMakeInstance()->GetHomeOutputDirectory())
+      + "/compile_commands.json";
+    this->CommandDatabase =
+      new cmGeneratedFileStream(commandDatabaseName.c_str());
+    *this->CommandDatabase << "[" << std::endl;
+    } else {
+    *this->CommandDatabase << "," << std::endl;
+    }
+  *this->CommandDatabase << "{" << std::endl
+      << "  \"directory\": \"" << EscapeJSON(workingDirectory) << "\","
+      << std::endl
+      << "  \"command\": \"" << EscapeJSON(compileCommand) << "\","
+      << std::endl
+      << "  \"file\": \"" << EscapeJSON(sourceFile) << "\""
+      << std::endl << "}";
 }
 
 void cmGlobalUnixMakefileGenerator3::WriteMainMakefile2()