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#include "buildparser.h"
#include "ast.h"
#include "build.yy.h"
#include "bu/sio.h"
using Bu::sio;
BuildParser::BuildParser( Ast &rAst ) :
xAst( rAst )
{
lIncludePaths.append("./");
}
BuildParser::~BuildParser()
{
}
int build_parse( yyscan_t yyscanner, BuildParser &bld );
void BuildParser::load( const Bu::FString &sFile )
{
yyscan_t scanner;
sFilename.push( sFile );
FILE *fIn = fopen( sFile.getStr(), "rt" );
if( fIn == NULL )
{
throw Bu::ExceptionBase("Cannot open file: %s", sFile.getStr() );
}
build_lex_init( &scanner );
// build_set_debug( true, scanner );
build_set_in( fIn, scanner );
build_parse( scanner, *this );
build_lex_destroy( scanner );
fclose( fIn );
// Bu::sio << xAst;
}
bool BuildParser::isKeyword( const Bu::FString &sStr )
{
if( sStr == "important" )
return true;
if( sStr == "normal" )
return true;
if( sStr == "hidden" )
return true;
if( sStr == "autogenerated" )
return true;
return false;
}
bool BuildParser::isCond( const Bu::FString &sStr )
{
if( sStr == "filetime" )
return true;
if( sStr == "always" )
return true;
if( sStr == "never" )
return true;
return false;
}
void BuildParser::include( const Bu::FString &sStr, void *scanner, YYLTYPE *loc )
{
for( StrList::iterator pi = lIncludePaths.begin(); pi; pi++ )
{
FILE *fIn = fopen( (*pi + sStr).getStr(), "rt" );
if( fIn == NULL )
{
continue;
}
sFilename.push( sStr );
sLocation.push( *loc );
loc->first_line = loc->last_line = 1;
loc->first_column = loc->last_column = 0;
build_push_buffer_state(
build__create_buffer( fIn, YY_READ_BUF_SIZE, scanner ),
scanner
);
Bu::FString::const_iterator i = sStr.find('/');
if( i )
{
for(;;)
{
Bu::FString::const_iterator j = i.find('/');
if( !j )
break;
i = j+1;
}
sio << "Hey, found it from here: " << sStr.getSubStr( sStr.begin(), i ) << sio.nl;
xAst.addNode( AstNode::typePushPrefix, sStr.getSubStr( sStr.begin(), i ) );
}
else
{
xAst.addNode( AstNode::typePushPrefix, "" );
}
return;
}
Bu::FString msg("Could not open include file: ");
msg += sStr;
error(
loc->first_line, loc->last_line,
loc->first_column, loc->last_column,
msg
);
}
void BuildParser::endInclude( YYLTYPE *loc )
{
sFilename.pop();
memcpy( loc, &sLocation.peek(), sizeof(YYLTYPE) );
sLocation.pop();
xAst.addNode( AstNode::typePopPrefix );
}
void BuildParser::error( int iLine1, int iLine2, int iCol1, int iCol2,
const Bu::FString &sMsg )
{
throw Bu::ExceptionBase("%s: %d-%d:%d-%d: %s",
sFilename.peek().getStr(), iLine1, iLine2, iCol1, iCol2, sMsg.getStr()
);
}
void BuildParser::addIncludePath( const Bu::FString &sPath )
{
lIncludePaths.append( sPath + "/" );
}
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