Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 25 insertions, 36 deletions

diff --git a/Source/cmExprParserHelper.cxx b/Source/cmExprParserHelper.cxx
index c5ecde422c..2ba9b8da7b 100644
--- a/Source/cmExprParserHelper.cxx
+++ b/Source/cmExprParserHelper.cxx
@@ -16,7 +16,7 @@
 
 #include "cmExprLexer.h"
 
-int cmExpr_yyparse( yyscan_t yyscanner );
+int cmExpr_yyparse(yyscan_t yyscanner);
 //
 cmExprParserHelper::cmExprParserHelper()
 {
@@ -24,7 +24,6 @@ cmExprParserHelper::cmExprParserHelper()
   this->FileName = 0;
 }
 
-
 cmExprParserHelper::~cmExprParserHelper()
 {
   this->CleanupParser();
@@ -32,11 +31,10 @@ cmExprParserHelper::~cmExprParserHelper()
 
 int cmExprParserHelper::ParseString(const char* str, int verb)
 {
-  if ( !str)
-    {
+  if (!str) {
     return 0;
-    }
-  //printf("Do some parsing: %s\n", str);
+  }
+  // printf("Do some parsing: %s\n", str);
 
   this->Verbose = verb;
   this->InputBuffer = str;
@@ -50,20 +48,18 @@ int cmExprParserHelper::ParseString(const char* str, int verb)
   cmExpr_yyset_extra(this, yyscanner);
   int res = cmExpr_yyparse(yyscanner);
   cmExpr_yylex_destroy(yyscanner);
-  if ( res != 0 )
-    {
-    //str << "CAL_Parser returned: " << res << std::endl;
-    //std::cerr << "When parsing: [" << str << "]" << std::endl;
+  if (res != 0) {
+    // str << "CAL_Parser returned: " << res << std::endl;
+    // std::cerr << "When parsing: [" << str << "]" << std::endl;
     return 0;
-    }
+  }
 
   this->CleanupParser();
 
-  if ( Verbose )
-    {
-    std::cerr << "Expanding [" << str << "] produced: ["
-              << this->Result << "]" << std::endl;
-    }
+  if (Verbose) {
+    std::cerr << "Expanding [" << str << "] produced: [" << this->Result << "]"
+              << std::endl;
+  }
   return 1;
 }
 
@@ -73,27 +69,22 @@ void cmExprParserHelper::CleanupParser()
 
 int cmExprParserHelper::LexInput(char* buf, int maxlen)
 {
-  //std::cout << "JPLexInput ";
-  //std::cout.write(buf, maxlen);
-  //std::cout << std::endl;
-  if ( maxlen < 1 )
-    {
+  // std::cout << "JPLexInput ";
+  // std::cout.write(buf, maxlen);
+  // std::cout << std::endl;
+  if (maxlen < 1) {
     return 0;
+  }
+  if (this->InputBufferPos < this->InputBuffer.size()) {
+    buf[0] = this->InputBuffer[this->InputBufferPos++];
+    if (buf[0] == '\n') {
+      this->CurrentLine++;
     }
-  if ( this->InputBufferPos < this->InputBuffer.size() )
-    {
-    buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
-    if ( buf[0] == '\n' )
-      {
-      this->CurrentLine ++;
-      }
-    return(1);
-    }
-  else
-    {
+    return (1);
+  } else {
     buf[0] = '\n';
-    return( 0 );
-    }
+    return (0);
+  }
 }
 
 void cmExprParserHelper::Error(const char* str)
@@ -108,5 +99,3 @@ void cmExprParserHelper::SetResult(int value)
 {
   this->Result = value;
 }
-
-