cmRulePlaceholderExpander: Port clients to direct-use

Add a factory function to cmLocalGenerator so that variableMappings can
be provided from it, and so that Ninja can always have a hard-coded
TargetImpLib.

10 files changed, 91 insertions, 66 deletions

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 615168d..1c3a97d 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -133,6 +133,13 @@ cmLocalGenerator::cmLocalGenerator(cmGlobalGenerator* gg, cmMakefile* makefile)
   }
 }
 
+cmRulePlaceholderExpander* cmLocalGenerator::CreateRulePlaceholderExpander()
+  const
+{
+  return new cmRulePlaceholderExpander(this->Compilers, this->VariableMappings,
+                                       this->CompilerSysroot);
+}
+
 cmLocalGenerator::~cmLocalGenerator()
 {
   cmDeleteAll(this->GeneratorTargets);
@@ -561,17 +568,6 @@ cmState::Snapshot cmLocalGenerator::GetStateSnapshot() const
   return this->Makefile->GetStateSnapshot();
 }
 
-void cmLocalGenerator::ExpandRuleVariables(cmOutputConverter* outputConverter,
-                                           std::string& s,
-                                           const RuleVariables& replaceValues)
-{
-  cmRulePlaceholderExpander rulePlaceholderExpander(
-    this->Compilers, this->VariableMappings, this->CompilerSysroot);
-  rulePlaceholderExpander.SetTargetImpLib(this->TargetImplib);
-  rulePlaceholderExpander.ExpandRuleVariables(outputConverter, s,
-                                              replaceValues);
-}
-
 const char* cmLocalGenerator::GetRuleLauncher(cmGeneratorTarget* target,
                                               const std::string& prop)
 {
diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h
index 6f8426d..055e1a9 100644
--- a/Source/cmLocalGenerator.h
+++ b/Source/cmLocalGenerator.h
@@ -24,6 +24,7 @@ class cmComputeLinkInformation;
 class cmCustomCommandGenerator;
 class cmGeneratorTarget;
 class cmGlobalGenerator;
+class cmRulePlaceholderExpander;
 class cmMakefile;
 class cmSourceFile;
 class cmLinkLineComputer;
@@ -85,6 +86,8 @@ public:
     return this->GlobalGenerator;
   }
 
+  virtual cmRulePlaceholderExpander* CreateRulePlaceholderExpander() const;
+
   std::string GetLinkLibsCMP0065(std::string const& linkLanguage,
                                  cmGeneratorTarget& tgt) const;
 
@@ -218,10 +221,6 @@ public:
   // preprocessed files and assembly files.
   void GetIndividualFileTargets(std::vector<std::string>&) {}
 
-  struct RuleVariables : cmRulePlaceholderExpander::RuleVariables
-  {
-  };
-
   /**
    * Get the relative path from the generator output directory to a
    * per-target support directory.
@@ -315,11 +314,6 @@ public:
   void CreateEvaluationFileOutputs(const std::string& config);
   void ProcessEvaluationFiles(std::vector<std::string>& generatedFiles);
 
-  // Expand rule variables in CMake of the type found in language rules
-  void ExpandRuleVariables(cmOutputConverter* outputConverter,
-                           std::string& string,
-                           const RuleVariables& replaceValues);
-
   const char* GetRuleLauncher(cmGeneratorTarget* target,
                               const std::string& prop);
 
@@ -362,10 +356,6 @@ protected:
 
   bool EmitUniversalBinaryFlags;
 
-  // Hack for ExpandRuleVariable until object-oriented version is
-  // committed.
-  std::string TargetImplib;
-
   KWIML_INT_uint64_t BackwardsCompatibility;
   bool BackwardsCompatibilityFinal;
 
diff --git a/Source/cmLocalNinjaGenerator.cxx b/Source/cmLocalNinjaGenerator.cxx
index 05596f8..1863376 100644
--- a/Source/cmLocalNinjaGenerator.cxx
+++ b/Source/cmLocalNinjaGenerator.cxx
@@ -10,6 +10,7 @@
 #include "cmGlobalNinjaGenerator.h"
 #include "cmMakefile.h"
 #include "cmNinjaTargetGenerator.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmSourceFile.h"
 #include "cmState.h"
 #include "cmSystemTools.h"
@@ -27,11 +28,19 @@ cmLocalNinjaGenerator::cmLocalNinjaGenerator(cmGlobalGenerator* gg,
   : cmLocalCommonGenerator(gg, mf, mf->GetState()->GetBinaryDirectory())
   , HomeRelativeOutputPath("")
 {
-  this->TargetImplib = "$TARGET_IMPLIB";
 }
 
 // Virtual public methods.
 
+cmRulePlaceholderExpander*
+cmLocalNinjaGenerator::CreateRulePlaceholderExpander() const
+{
+  cmRulePlaceholderExpander* ret = new cmRulePlaceholderExpander(
+    this->Compilers, this->VariableMappings, this->CompilerSysroot);
+  ret->SetTargetImpLib("$TARGET_IMPLIB");
+  return ret;
+}
+
 cmLocalNinjaGenerator::~cmLocalNinjaGenerator()
 {
 }
@@ -477,7 +486,7 @@ std::string cmLocalNinjaGenerator::MakeCustomLauncher(
 
   // Expand rules in the empty string.  It may insert the launcher and
   // perform replacements.
-  RuleVariables vars;
+  cmRulePlaceholderExpander::RuleVariables vars;
 
   std::string output;
   const std::vector<std::string>& outputs = ccg.GetOutputs();
@@ -494,7 +503,10 @@ std::string cmLocalNinjaGenerator::MakeCustomLauncher(
   std::string launcher = property_value;
   launcher += " ";
 
-  this->ExpandRuleVariables(this, launcher, vars);
+  CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+    this->CreateRulePlaceholderExpander());
+
+  rulePlaceholderExpander->ExpandRuleVariables(this, launcher, vars);
   if (!launcher.empty()) {
     launcher += " ";
   }
diff --git a/Source/cmLocalNinjaGenerator.h b/Source/cmLocalNinjaGenerator.h
index 56aa9bf..95d8eb8 100644
--- a/Source/cmLocalNinjaGenerator.h
+++ b/Source/cmLocalNinjaGenerator.h
@@ -42,6 +42,8 @@ public:
 
   void Generate() CM_OVERRIDE;
 
+  cmRulePlaceholderExpander* CreateRulePlaceholderExpander() const CM_OVERRIDE;
+
   std::string GetTargetDirectory(cmGeneratorTarget const* target) const
     CM_OVERRIDE;
 
diff --git a/Source/cmLocalUnixMakefileGenerator3.cxx b/Source/cmLocalUnixMakefileGenerator3.cxx
index 6906cbf..f30414c 100644
--- a/Source/cmLocalUnixMakefileGenerator3.cxx
+++ b/Source/cmLocalUnixMakefileGenerator3.cxx
@@ -14,6 +14,7 @@
 #include "cmMakefile.h"
 #include "cmMakefileTargetGenerator.h"
 #include "cmOutputConverter.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmSourceFile.h"
 #include "cmState.h"
 #include "cmSystemTools.h"
@@ -945,6 +946,9 @@ void cmLocalUnixMakefileGenerator3::AppendCustomCommand(
     *content << dir;
   }
 
+  CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+    this->CreateRulePlaceholderExpander());
+
   // Add each command line to the set of commands.
   std::vector<std::string> commands1;
   std::string currentBinDir = this->GetCurrentBinaryDirectory();
@@ -988,7 +992,7 @@ void cmLocalUnixMakefileGenerator3::AppendCustomCommand(
       if (val && *val) {
         // Expand rules in the empty string.  It may insert the launcher and
         // perform replacements.
-        RuleVariables vars;
+        cmRulePlaceholderExpander::RuleVariables vars;
         vars.CMTargetName = target->GetName().c_str();
         vars.CMTargetType = cmState::GetTargetTypeName(target->GetType());
         std::string output;
@@ -1006,7 +1010,7 @@ void cmLocalUnixMakefileGenerator3::AppendCustomCommand(
 
         launcher = val;
         launcher += " ";
-        this->ExpandRuleVariables(this, launcher, vars);
+        rulePlaceholderExpander->ExpandRuleVariables(this, launcher, vars);
         if (!launcher.empty()) {
           launcher += " ";
         }
diff --git a/Source/cmMakefileExecutableTargetGenerator.cxx b/Source/cmMakefileExecutableTargetGenerator.cxx
index fafff01..7eca0a8 100644
--- a/Source/cmMakefileExecutableTargetGenerator.cxx
+++ b/Source/cmMakefileExecutableTargetGenerator.cxx
@@ -11,6 +11,7 @@
 #include "cmMakefile.h"
 #include "cmOSXBundleGenerator.h"
 #include "cmOutputConverter.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmSystemTools.h"
 #include "cmake.h"
 
@@ -331,7 +332,7 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
 
     std::string manifests = this->GetManifests();
 
-    cmLocalGenerator::RuleVariables vars;
+    cmRulePlaceholderExpander::RuleVariables vars;
     vars.CMTargetName = this->GeneratorTarget->GetName().c_str();
     vars.CMTargetType =
       cmState::GetTargetTypeName(this->GeneratorTarget->GetType());
@@ -393,15 +394,17 @@ void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
       launcher += " ";
     }
 
+    CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+      this->LocalGenerator->CreateRulePlaceholderExpander());
+
     // Expand placeholders in the commands.
-    this->LocalGenerator->TargetImplib = targetOutPathImport;
+    rulePlaceholderExpander->SetTargetImpLib(targetOutPathImport);
     for (std::vector<std::string>::iterator i = real_link_commands.begin();
          i != real_link_commands.end(); ++i) {
       *i = launcher + *i;
-      this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, *i,
-                                                vars);
+      rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator, *i,
+                                                   vars);
     }
-    this->LocalGenerator->TargetImplib = "";
 
     // Restore path conversion to normal shells.
     this->LocalGenerator->SetLinkScriptShell(false);
diff --git a/Source/cmMakefileLibraryTargetGenerator.cxx b/Source/cmMakefileLibraryTargetGenerator.cxx
index 1ae34d6..00a9100 100644
--- a/Source/cmMakefileLibraryTargetGenerator.cxx
+++ b/Source/cmMakefileLibraryTargetGenerator.cxx
@@ -11,6 +11,7 @@
 #include "cmMakefile.h"
 #include "cmOSXBundleGenerator.h"
 #include "cmOutputConverter.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmState.h"
 #include "cmSystemTools.h"
 #include "cmake.h"
@@ -520,7 +521,7 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
 
     std::string manifests = this->GetManifests();
 
-    cmLocalGenerator::RuleVariables vars;
+    cmRulePlaceholderExpander::RuleVariables vars;
     vars.TargetPDB = targetOutPathPDB.c_str();
 
     // Setup the target version.
@@ -606,8 +607,10 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
       launcher += " ";
     }
 
+    CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+      this->LocalGenerator->CreateRulePlaceholderExpander());
     // Construct the main link rule and expand placeholders.
-    this->LocalGenerator->TargetImplib = targetOutPathImport;
+    rulePlaceholderExpander->SetTargetImpLib(targetOutPathImport);
     if (useArchiveRules) {
       // Construct the individual object list strings.
       std::vector<std::string> object_strings;
@@ -621,8 +624,8 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
                archiveCreateCommands.begin();
              i != archiveCreateCommands.end(); ++i) {
           std::string cmd = launcher + *i;
-          this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, cmd,
-                                                    vars);
+          rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator,
+                                                       cmd, vars);
           real_link_commands.push_back(cmd);
         }
       }
@@ -633,8 +636,8 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
                archiveAppendCommands.begin();
              i != archiveAppendCommands.end(); ++i) {
           std::string cmd = launcher + *i;
-          this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, cmd,
-                                                    vars);
+          rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator,
+                                                       cmd, vars);
           real_link_commands.push_back(cmd);
         }
       }
@@ -644,8 +647,8 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
              archiveFinishCommands.begin();
            i != archiveFinishCommands.end(); ++i) {
         std::string cmd = launcher + *i;
-        this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, cmd,
-                                                  vars);
+        rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator, cmd,
+                                                     vars);
         // If there is no ranlib the command will be ":".  Skip it.
         if (!cmd.empty() && cmd[0] != ':') {
           real_link_commands.push_back(cmd);
@@ -668,11 +671,10 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules(
       for (std::vector<std::string>::iterator i = real_link_commands.begin();
            i != real_link_commands.end(); ++i) {
         *i = launcher + *i;
-        this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, *i,
-                                                  vars);
+        rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator, *i,
+                                                     vars);
       }
     }
-    this->LocalGenerator->TargetImplib = "";
 
     // Restore path conversion to normal shells.
     this->LocalGenerator->SetLinkScriptShell(false);
diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index 9492a61..cbfe850 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -18,6 +18,7 @@
 #include "cmMakefileLibraryTargetGenerator.h"
 #include "cmMakefileUtilityTargetGenerator.h"
 #include "cmOutputConverter.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmSourceFile.h"
 #include "cmState.h"
 #include "cmSystemTools.h"
@@ -543,7 +544,7 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
       targetOutPathCompilePDB[targetOutPathCompilePDB.size() - 1] = '/';
     }
   }
-  cmLocalGenerator::RuleVariables vars;
+  cmRulePlaceholderExpander::RuleVariables vars;
   vars.RuleLauncher = "RULE_LAUNCH_COMPILE";
   vars.CMTargetName = this->GeneratorTarget->GetName().c_str();
   vars.CMTargetType =
@@ -589,6 +590,9 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
   bool const lang_has_assembly = lang_has_preprocessor;
   bool const lang_can_export_cmds = lang_has_preprocessor;
 
+  CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+    this->LocalGenerator->CreateRulePlaceholderExpander());
+
   // Construct the compile rules.
   {
     std::string compileRuleVar = "CMAKE_";
@@ -602,8 +606,9 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
     if (this->Makefile->IsOn("CMAKE_EXPORT_COMPILE_COMMANDS") &&
         lang_can_export_cmds && compileCommands.size() == 1) {
       std::string compileCommand = compileCommands[0];
-      this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator,
-                                                compileCommand, vars);
+
+      rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator,
+                                                   compileCommand, vars);
       std::string workingDirectory = cmSystemTools::CollapseFullPath(
         this->LocalGenerator->GetCurrentBinaryDirectory());
       compileCommand.replace(compileCommand.find(langFlags), langFlags.size(),
@@ -662,8 +667,8 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
     // Expand placeholders in the commands.
     for (std::vector<std::string>::iterator i = compileCommands.begin();
          i != compileCommands.end(); ++i) {
-      this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, *i,
-                                                vars);
+      rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator, *i,
+                                                   vars);
     }
 
     // Change the command working directory to the local build tree.
@@ -726,8 +731,8 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
         // Expand placeholders in the commands.
         for (std::vector<std::string>::iterator i = preprocessCommands.begin();
              i != preprocessCommands.end(); ++i) {
-          this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, *i,
-                                                    vars);
+          rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator,
+                                                       *i, vars);
         }
 
         this->LocalGenerator->CreateCDCommand(
@@ -774,8 +779,8 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
         // Expand placeholders in the commands.
         for (std::vector<std::string>::iterator i = assemblyCommands.begin();
              i != assemblyCommands.end(); ++i) {
-          this->LocalGenerator->ExpandRuleVariables(this->LocalGenerator, *i,
-                                                    vars);
+          rulePlaceholderExpander->ExpandRuleVariables(this->LocalGenerator,
+                                                       *i, vars);
         }
 
         this->LocalGenerator->CreateCDCommand(
diff --git a/Source/cmNinjaNormalTargetGenerator.cxx b/Source/cmNinjaNormalTargetGenerator.cxx
index 3adc068..b28b19a 100644
--- a/Source/cmNinjaNormalTargetGenerator.cxx
+++ b/Source/cmNinjaNormalTargetGenerator.cxx
@@ -15,6 +15,7 @@
 #include "cmNinjaTypes.h"
 #include "cmOSXBundleGenerator.h"
 #include "cmOutputConverter.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmSourceFile.h"
 #include "cmState.h"
 #include "cmSystemTools.h"
@@ -167,7 +168,7 @@ void cmNinjaNormalTargetGenerator::WriteLinkRule(bool useResponseFile)
   std::string rspcontent;
 
   if (!this->GetGlobalGenerator()->HasRule(ruleName)) {
-    cmLocalGenerator::RuleVariables vars;
+    cmRulePlaceholderExpander::RuleVariables vars;
     vars.CMTargetName = this->GetGeneratorTarget()->GetName().c_str();
     vars.CMTargetType =
       cmState::GetTargetTypeName(this->GetGeneratorTarget()->GetType());
@@ -248,13 +249,16 @@ void cmNinjaNormalTargetGenerator::WriteLinkRule(bool useResponseFile)
       launcher += " ";
     }
 
+    CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+      this->GetLocalGenerator()->CreateRulePlaceholderExpander());
+
     // Rule for linking library/executable.
     std::vector<std::string> linkCmds = this->ComputeLinkCmd();
     for (std::vector<std::string>::iterator i = linkCmds.begin();
          i != linkCmds.end(); ++i) {
       *i = launcher + *i;
-      this->GetLocalGenerator()->ExpandRuleVariables(this->GetLocalGenerator(),
-                                                     *i, vars);
+      rulePlaceholderExpander->ExpandRuleVariables(this->GetLocalGenerator(),
+                                                   *i, vars);
     }
     {
       // If there is no ranlib the command will be ":".  Skip it.
diff --git a/Source/cmNinjaTargetGenerator.cxx b/Source/cmNinjaTargetGenerator.cxx
index c718ad4..1ac6cd4 100644
--- a/Source/cmNinjaTargetGenerator.cxx
+++ b/Source/cmNinjaTargetGenerator.cxx
@@ -14,6 +14,7 @@
 #include "cmNinjaNormalTargetGenerator.h"
 #include "cmNinjaUtilityTargetGenerator.h"
 #include "cmOutputConverter.h"
+#include "cmRulePlaceholderExpander.h"
 #include "cmSourceFile.h"
 #include "cmState.h"
 #include "cmSystemTools.h"
@@ -373,7 +374,7 @@ void cmNinjaTargetGenerator::WriteLanguageRules(const std::string& language)
 
 void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang)
 {
-  cmLocalGenerator::RuleVariables vars;
+  cmRulePlaceholderExpander::RuleVariables vars;
   vars.CMTargetName = this->GetGeneratorTarget()->GetName().c_str();
   vars.CMTargetType =
     cmState::GetTargetTypeName(this->GetGeneratorTarget()->GetType());
@@ -453,6 +454,9 @@ void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang)
   vars.Flags = flags.c_str();
   vars.DependencyFile = depfile.c_str();
 
+  CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+    this->GetLocalGenerator()->CreateRulePlaceholderExpander());
+
   std::string const tdi = this->GetLocalGenerator()->ConvertToOutputFormat(
     ConvertToNinjaPath(this->GetTargetDependInfoPath(lang)),
     cmLocalGenerator::SHELL);
@@ -475,7 +479,7 @@ void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang)
     std::string const ppDeptype = ""; // no deps= for multiple outputs
     std::string const ppDepfile = "$DEP_FILE";
 
-    cmLocalGenerator::RuleVariables ppVars;
+    cmRulePlaceholderExpander::RuleVariables ppVars;
     ppVars.CMTargetName = vars.CMTargetName;
     ppVars.CMTargetType = vars.CMTargetType;
     ppVars.Language = vars.Language;
@@ -506,8 +510,8 @@ void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang)
     for (std::vector<std::string>::iterator i = ppCmds.begin();
          i != ppCmds.end(); ++i) {
       *i = launcher + *i;
-      this->GetLocalGenerator()->ExpandRuleVariables(this->GetLocalGenerator(),
-                                                     *i, ppVars);
+      rulePlaceholderExpander->ExpandRuleVariables(this->GetLocalGenerator(),
+                                                   *i, ppVars);
     }
 
     // Run CMake dependency scanner on preprocessed output.
@@ -620,8 +624,8 @@ void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang)
   for (std::vector<std::string>::iterator i = compileCmds.begin();
        i != compileCmds.end(); ++i) {
     *i = launcher + *i;
-    this->GetLocalGenerator()->ExpandRuleVariables(this->GetLocalGenerator(),
-                                                   *i, vars);
+    rulePlaceholderExpander->ExpandRuleVariables(this->GetLocalGenerator(), *i,
+                                                 vars);
   }
 
   std::string cmdLine =
@@ -974,7 +978,7 @@ void cmNinjaTargetGenerator::ExportObjectCompileCommand(
     return;
   }
 
-  cmLocalGenerator::RuleVariables compileObjectVars;
+  cmRulePlaceholderExpander::RuleVariables compileObjectVars;
   compileObjectVars.Language = language.c_str();
 
   std::string escapedSourceFileName = sourceFileName;
@@ -1006,10 +1010,13 @@ void cmNinjaTargetGenerator::ExportObjectCompileCommand(
   std::vector<std::string> compileCmds;
   cmSystemTools::ExpandListArgument(compileCmd, compileCmds);
 
+  CM_AUTO_PTR<cmRulePlaceholderExpander> rulePlaceholderExpander(
+    this->GetLocalGenerator()->CreateRulePlaceholderExpander());
+
   for (std::vector<std::string>::iterator i = compileCmds.begin();
        i != compileCmds.end(); ++i) {
-    this->GetLocalGenerator()->ExpandRuleVariables(this->GetLocalGenerator(),
-                                                   *i, compileObjectVars);
+    rulePlaceholderExpander->ExpandRuleVariables(this->GetLocalGenerator(), *i,
+                                                 compileObjectVars);
   }
 
   std::string cmdLine =