Move log_header to separate function Signed-off-by: Ryszard Różak <rrozak@antmicro.com>

diff --git a/uhdm-plugin/uhdmastfrontend.cc b/uhdm-plugin/uhdmastfrontend.cc
index 739ef64..9a22339 100644
--- a/uhdm-plugin/uhdmastfrontend.cc
+++ b/uhdm-plugin/uhdmastfrontend.cc

@@ -30,7 +30,7 @@
 YOSYS_NAMESPACE_BEGIN
 
 struct UhdmAstFrontend : public UhdmCommonFrontend {
-    UhdmAstFrontend() : UhdmCommonFrontend("uhdm", "read UHDM file") { this->log_header_message = "Executing UHDM frontend.\n"; }
+    UhdmAstFrontend() : UhdmCommonFrontend("uhdm", "read UHDM file") {}
     void help() override
     {
         //   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
@@ -59,6 +59,7 @@
             vpi_release_handle(design);
         return current_ast;
     }
+    void call_log_header(RTLIL::Design *design) override { log_header(design, "Executing UHDM frontend.\n"); }
 } UhdmAstFrontend;
 
 YOSYS_NAMESPACE_END

diff --git a/uhdm-plugin/uhdmcommonfrontend.cc b/uhdm-plugin/uhdmcommonfrontend.cc
index 3cf755d..b340797 100644
--- a/uhdm-plugin/uhdmcommonfrontend.cc
+++ b/uhdm-plugin/uhdmcommonfrontend.cc

@@ -49,8 +49,7 @@
 
 void UhdmCommonFrontend::execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
 {
-    log_header(design, this->log_header_message);
-
+    this->call_log_header(design);
     this->args = args;
 
     bool defer = false;

diff --git a/uhdm-plugin/uhdmcommonfrontend.h b/uhdm-plugin/uhdmcommonfrontend.h
index 253cf18..f2d12a8 100644
--- a/uhdm-plugin/uhdmcommonfrontend.h
+++ b/uhdm-plugin/uhdmcommonfrontend.h

@@ -30,12 +30,12 @@
 struct UhdmCommonFrontend : public Frontend {
     UhdmAstShared shared;
     std::string report_directory;
-    const char *log_header_message;
     std::vector<std::string> args;
     UhdmCommonFrontend(std::string name, std::string short_help) : Frontend(name, short_help) {}
     virtual void print_read_options();
     virtual void help() = 0;
     virtual AST::AstNode *parse(std::string filename) = 0;
+    virtual void call_log_header(RTLIL::Design *design) = 0;
     void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design);
 };
 

diff --git a/uhdm-plugin/uhdmsurelogastfrontend.cc b/uhdm-plugin/uhdmsurelogastfrontend.cc
index b52bb1c..ce79772 100644
--- a/uhdm-plugin/uhdmsurelogastfrontend.cc
+++ b/uhdm-plugin/uhdmsurelogastfrontend.cc

@@ -78,10 +78,7 @@
 }
 
 struct UhdmSurelogAstFrontend : public UhdmCommonFrontend {
-    UhdmSurelogAstFrontend() : UhdmCommonFrontend("verilog_with_uhdm", "generate/read UHDM file")
-    {
-        this->log_header_message = "Executing Verilog with UHDM frontend.\n";
-    }
+    UhdmSurelogAstFrontend() : UhdmCommonFrontend("verilog_with_uhdm", "generate/read UHDM file") {}
     void print_read_options() override
     {
         log("    -process\n");
@@ -129,6 +126,7 @@
 
         return current_ast;
     }
+    void call_log_header(RTLIL::Design *design) override { log_header(design, "Executing Verilog with UHDM frontend.\n"); }
 } UhdmSurelogAstFrontend;
 
 YOSYS_NAMESPACE_END