compiler: do not create empty .h file

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/compiler/abstract_compiler.nit b/src/compiler/abstract_compiler.nit
index c785dd6..ee80ae5 100644 (file)
--- a/src/compiler/abstract_compiler.nit
+++ b/src/compiler/abstract_compiler.nit
@@ -253,26 +253,7 @@ class MakefileToolchain
 
                for f in compiler.files do
                        var i = 0
-                       var hfile: nullable OFStream = null
                        var count = 0
-                       var cfilename = "{f.name}.0.h"
-                       var cfilepath = "{compile_dir}/{cfilename}"
-                       hfile = new OFStream.open(cfilepath)
-                       hfile.write "#include \"{hfilename}\"\n"
-                       for key in f.required_declarations do
-                               if not compiler.provided_declarations.has_key(key) then
-                                       var node = compiler.requirers_of_declarations.get_or_null(key)
-                                       if node != null then
-                                               node.debug "No provided declaration for {key}"
-                                       else
-                                               print "No provided declaration for {key}"
-                                       end
-                                       abort
-                               end
-                               hfile.write compiler.provided_declarations[key]
-                               hfile.write "\n"
-                       end
-                       hfile.close
                        var file: nullable OFStream = null
                        for vis in f.writers do
                                if vis == compiler.header then continue
@@ -282,8 +263,8 @@ class MakefileToolchain
                                if file == null or count > 10000  then
                                        i += 1
                                        if file != null then file.close
-                                       cfilename = "{f.name}.{i}.c"
-                                       cfilepath = "{compile_dir}/{cfilename}"
+                                       var cfilename = "{f.name}.{i}.c"
+                                       var cfilepath = "{compile_dir}/{cfilename}"
                                        self.toolcontext.info("new C source files to compile: {cfilepath}", 3)
                                        cfiles.add(cfilename)
                                        file = new OFStream.open(cfilepath)
@@ -299,7 +280,28 @@ class MakefileToolchain
                                        file.write "\n"
                                end
                        end
-                       if file != null then file.close
+                       if file == null then continue
+                       file.close
+
+                       var cfilename = "{f.name}.0.h"
+                       var cfilepath = "{compile_dir}/{cfilename}"
+                       var hfile: nullable OFStream = null
+                       hfile = new OFStream.open(cfilepath)
+                       hfile.write "#include \"{hfilename}\"\n"
+                       for key in f.required_declarations do
+                               if not compiler.provided_declarations.has_key(key) then
+                                       var node = compiler.requirers_of_declarations.get_or_null(key)
+                                       if node != null then
+                                               node.debug "No provided declaration for {key}"
+                                       else
+                                               print "No provided declaration for {key}"
+                                       end
+                                       abort
+                               end
+                               hfile.write compiler.provided_declarations[key]
+                               hfile.write "\n"
+                       end
+                       hfile.close
                end
 
                self.toolcontext.info("Total C source files to compile: {cfiles.length}", 2)