From 5c757590c7561f6d85b3f9011aa0695c4111b379 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Wed, 30 Mar 2005 21:58:44 +0000
Subject: 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
---
(limited to 'lib/sitecing_parser.ll')

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);
--
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