1. fixed a bug just introduced, preventing the last skeleton-generated file

   from being written.
2. introduced pragma directive and pragma main=class
3. minor changes of no importance

3 files changed, 55 insertions, 4 deletions

diff --git a/lib/component_factory.cc b/lib/component_factory.cc
index b8f5a16..1253111 100644
--- a/lib/component_factory.cc
+++ b/lib/component_factory.cc
@@ -319,7 +319,7 @@ namespace sitecing {
         make(cn);
         ifstream ifs(cn.c_str());
         if(!ifs.good())
-            throw konforka::exception(CODEPOINT,"filed to access component .ancestors");
+            throw konforka::exception(CODEPOINT,string("failed to access component '")+component+"' .ancestors");
         rv.clear();
         while(!ifs.eof()) {
             string a;
diff --git a/lib/sitecing_enflesher.ll b/lib/sitecing_enflesher.ll
index 46489c7..bb667be 100644
--- a/lib/sitecing_enflesher.ll
+++ b/lib/sitecing_enflesher.ll
@@ -179,6 +179,7 @@ void sitecing_enflesher::enflesh() {
         throw preprocessor_error(CODEPOINT,"failed to open skeleton file");
     switch_streams(&ifs,NULL);
     yylex();
+    outs_close();
 }
 
 void sitecing_enflesher::anchor() {
@@ -188,7 +189,7 @@ void sitecing_enflesher::anchor() {
     anchor_time = false;
 }
 
-void sitecing_enflesher::outs_open(const string& nfile) {
+void sitecing_enflesher::outs_close() {
     if(!outs_filename.empty()) {
         outs.flush();
         outs.close();
@@ -244,6 +245,11 @@ void sitecing_enflesher::outs_open(const string& nfile) {
                 throw preprocessor_error(CODEPOINT,"failed to rename() generated output");
         }
     }
+    outs_filename.erase();
+}
+
+void sitecing_enflesher::outs_open(const string& nfile) {
+    outs_close();
     outs_filename = nfile;
     outs.open((nfile+".new").c_str(),ios::trunc);
     if(!outs.good())
diff --git a/lib/sitecing_parser.ll b/lib/sitecing_parser.ll
index 6cb78f3..8ba8673 100644
--- a/lib/sitecing_parser.ll
+++ b/lib/sitecing_parser.ll
@@ -23,6 +23,7 @@ using namespace sitecing;
 %x DERIVELINE DERIVECOMPONENT
 %x CONSTRUCTOR DESTRUCTOR CODEMETHODLINE CODEMETHODARGS
 %x CODEMETHODBLOCK INLINE METHODLINE METHODARGS METHODBLOCK CODEBLOCK OUTPUTBLOCK
+%x PRAGMALINE
 %option 8bit c++ verbose noyywrap yyclass="sitecing_parser" prefix="sitecing_parser" stack yylineno
 
         WHITESPACE[ \t]
@@ -94,6 +95,10 @@ NOIDCHAR	[^A-Za-z0-9_]
         anchor();
         BEGIN(METHODLINE);
     }
+            ^\%\%pragma{WHITESPACE}+{
+        modi.push_front(modus_operandi(modus_operandi::flag_devour_comments));
+        BEGIN(PRAGMALINE);
+    }
             <<EOF>>{
         assert(modi.size()==1);
         M().modify(modus_operandi::modus_preop);
@@ -110,6 +115,36 @@ NOIDCHAR	[^A-Za-z0-9_]
     }
 }
 
+<PRAGMALINE>{
+            {WHITESPACE}+{
+        modus_operandi& m = M();
+        if(!m.output.empty()) {
+            string::size_type eq = m.output.find('=');
+            if(eq==string::npos) {
+                pragmas[m.output]=m.output;
+            }else{
+                pragmas[m.output.substr(0,eq)] = m.output.substr(eq+1);
+            }
+            m.output.erase();
+        }
+    }
+            \n          {
+        modus_operandi& m = M();
+        if(!m.output.empty()) {
+            string::size_type eq = m.output.find('=');
+            if(eq==string::npos) {
+                pragmas[m.output]=m.output;
+            }else{
+                pragmas[m.output.substr(0,eq)] = m.output.substr(eq+1);
+            }
+            m.output.erase();
+        }
+        modi.pop_front();
+        BEGIN(INITIAL);
+        anchor();
+    }
+}
+
 <METHODLINE>{
             {WHITESPACE}+{
                             modus_operandi& m = modi.front();
@@ -406,7 +441,7 @@ NOIDCHAR	[^A-Za-z0-9_]
     modi.pop_front();
     BEGIN(INITIAL);
 }
-<CLASSLINE,DECLLINE,IMPLLINE,VARLINE,VARINIT,IMPORTLINE,IMPORTCOMPONENT,CODEMETHODLINE,CODEMETHODARGS,INLINE,METHODLINE,METHODARGS,DECLBLOCK,IMPLBLOCK,CONSTRUCTOR,DESTRUCTOR,CODEMETHODBLOCK,CODELINE,CODEBLOCK>{
+<CLASSLINE,DECLLINE,IMPLLINE,VARLINE,VARINIT,IMPORTLINE,IMPORTCOMPONENT,CODEMETHODLINE,CODEMETHODARGS,INLINE,METHODLINE,METHODARGS,DECLBLOCK,IMPLBLOCK,CONSTRUCTOR,DESTRUCTOR,CODEMETHODBLOCK,CODELINE,CODEBLOCK,PRAGMALINE>{
             "/*"{
         yy_push_state(SLASHSTAR_COMMENT);
         if(!M().devour_comments()) {
@@ -546,7 +581,17 @@ void sitecing_parser::preprocess(const string& in) {
     switch_streams(&ifs,NULL);
     if(yylex())
         throw preprocessor_error(CODEPOINT,"unknown error");
-    member_functions.push_back(member_function("void","main","(int _magic,va_list _args)",M().output));
+    pragmas_t::const_iterator mp = pragmas.find("main");
+    if(mp==pragmas.end()) {
+        member_functions.push_back(member_function("void","main","(int _magic,va_list _args)",M().output));
+    }else{
+        member_functions.push_back(
+            member_function(
+                "void","main","(int _magic,va_list _args)",
+                mp->second+"::main(_magic,_args);"
+            )
+        );
+    }
     if(have_initializers && !have_constructor)
         member_functions.push_back(member_function("","","",""));
     sitecing_enflesher enflesher(*this);