Add file headers and leaders to generated files

Give the code generators the opportunity to print something at the start and the end of the file. E.g. header guards for C files, and some notice about the file being automatically generated for all types.

git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@5363 4a71c877-e1ca-e34f-864e-861f7616d084

build_tools/code-generators/c_structdef_cg.pm

@@ -183,4 +183,38 @@ sub printStructs()
     }
 }
 
+sub printHdrGuard
+{
+    my ($name) = @_;
+
+    $name =~ s/\./_/g;
+    $name = uc($name);
+
+    print "__INCLUDED_DB_TEMPLATE_SCHEMA_STRUCTDEF_${name}_H__";
+}
+
+sub startFile()
+{
+    my ($name) = @_;
+
+    print "/* This file is generated automatically, do not edit, change the source ($name) instead. */\n\n";
+
+    print "#ifndef ";
+    printHdrGuard($name);
+    print "\n";
+
+    print "#define ";
+    printHdrGuard($name);
+    print "\n\n";
+}
+
+sub endFile()
+{
+    my ($name) = @_;
+
+    print "\n#endif // ";
+    printHdrGuard($name);
+    print "\n";
+}
+
 1;

build_tools/code-generators/db-lang.pl

@@ -119,7 +119,7 @@ sub parseStruct
 my @curComment = ();
 
 # Read and parse the file
-my $name;
+my $name = $ARGV[0];
 while (<>)
 {
     chomp;
@@ -134,5 +134,7 @@ while (<>)
     else            { print "Unmatched line: $_\n"; }
 }
 
+CG::startFile($name);
 CG::printEnums(\@enumList);
 CG::printStructs(\@structList, \%structMap, \%enumMap);
+CG::endFile($name);

build_tools/code-generators/sql_tabledef_cg.pm

@@ -144,4 +144,15 @@ sub printStructs()
     }
 }
 
+sub startFile()
+{
+    my ($name) = @_;
+
+    print "-- This file is generated automatically, do not edit, change the source ($name) instead.\n\n";
+}
+
+sub endFile()
+{
+}
+
 1;