Files
libreoffice/basic/source/comp/sbcomp.cxx
2011-03-29 21:40:28 +01:00

304 lines
8.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basic.hxx"
#include <basic/sbx.hxx>
#include "sbcomp.hxx"
#include "image.hxx"
#include <basic/sbobjmod.hxx>
// To activate tracing enable in sbtrace.hxx
#ifdef DBG_TRACE_BASIC
// Trace Settings, used if no ini file / not found in ini file
static char GpTraceFileNameDefault[] = "d:\\zBasic.Asm\\BasicTrace.txt";
static char* GpTraceFileName = GpTraceFileNameDefault;
// GbTraceOn:
// true = tracing is active, false = tracing is disabled, default = true
// Set to false initially if you want to activate tracing on demand with
// TraceCommand( "TraceOn" ), see below
static bool GbTraceOn = true;
// GbIncludePCodes:
// true = PCodes are written to trace, default = false, correspondents
// with TraceCommand( "PCodeOn" / "PCodeOff" ), see below
static bool GbIncludePCodes = false;
static int GnIndentPerCallLevel = 4;
static int GnIndentForPCode = 2;
/*
With trace enabled the runtime function TraceCommand
can be used to influence the trace functionality
from within the running Basic macro.
Format: TraceCommand( command as String [, param as Variant] )
Supported commands (command is NOT case sensitive):
TraceCommand "TraceOn" sets GbTraceOn = true
TraceCommand "TraceOff" sets GbTraceOn = false
TraceCommand "PCodeOn" sets GbIncludePCodes = true
TraceCommand "PCodeOff" sets GbIncludePCodes = false
TraceCommand "Print", aVal writes aVal into the trace file as
long as it can be converted to string
*/
static void lcl_skipWhites( char*& rpc )
{
while( *rpc == ' ' || *rpc == '\t' )
++rpc;
}
inline void lcl_findNextLine( char*& rpc, char* pe )
{
// Find line end
while( rpc < pe && *rpc != 13 && *rpc != 10 )
++rpc;
// Read all
while( rpc < pe && (*rpc == 13 || *rpc == 10) )
++rpc;
}
inline bool lcl_isAlpha( char c )
{
bool bRet = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
return bRet;
}
static void lcl_ReadIniFile( const char* pIniFileName )
{
const int BUF_SIZE = 1000;
static sal_Char TraceFileNameBuffer[BUF_SIZE];
sal_Char Buffer[BUF_SIZE];
sal_Char VarNameBuffer[BUF_SIZE];
sal_Char ValBuffer[BUF_SIZE];
FILE* pFile = fopen( pIniFileName ,"rb" );
if( pFile == NULL )
return;
size_t nRead = fread( Buffer, 1, BUF_SIZE, pFile );
// Scan
char* pc = Buffer;
char* pe = Buffer + nRead;
while( pc < pe )
{
lcl_skipWhites( pc ); if( pc == pe ) break;
// Read variable
char* pVarStart = pc;
while( pc < pe && lcl_isAlpha( *pc ) )
++pc;
int nVarLen = pc - pVarStart;
if( nVarLen == 0 )
{
lcl_findNextLine( pc, pe );
continue;
}
strncpy( VarNameBuffer, pVarStart, nVarLen );
VarNameBuffer[nVarLen] = '\0';
// Check =
lcl_skipWhites( pc ); if( pc == pe ) break;
if( *pc != '=' )
continue;
++pc;
lcl_skipWhites( pc ); if( pc == pe ) break;
// Read value
char* pValStart = pc;
while( pc < pe && *pc != 13 && *pc != 10 )
++pc;
int nValLen = pc - pValStart;
if( nValLen == 0 )
{
lcl_findNextLine( pc, pe );
continue;
}
strncpy( ValBuffer, pValStart, nValLen );
ValBuffer[nValLen] = '\0';
// Match variables
if( strcmp( VarNameBuffer, "GpTraceFileName") == 0 )
{
strcpy( TraceFileNameBuffer, ValBuffer );
GpTraceFileName = TraceFileNameBuffer;
}
else
if( strcmp( VarNameBuffer, "GbTraceOn") == 0 )
GbTraceOn = (strcmp( ValBuffer, "true" ) == 0);
else
if( strcmp( VarNameBuffer, "GbIncludePCodes") == 0 )
GbIncludePCodes = (strcmp( ValBuffer, "true" ) == 0);
else
if( strcmp( VarNameBuffer, "GnIndentPerCallLevel") == 0 )
GnIndentPerCallLevel = strtol( ValBuffer, NULL, 10 );
else
if( strcmp( VarNameBuffer, "GnIndentForPCode") == 0 )
GnIndentForPCode = strtol( ValBuffer, NULL, 10 );
}
fclose( pFile );
}
if( eType & SbxARRAY )
void RTL_Impl_TraceCommand( StarBASIC* pBasic, SbxArray& rPar, sal_Bool bWrite )
{
(void)pBasic;
(void)bWrite;
if ( rPar.Count() < 2 )
{
StarBASIC::Error( SbERR_BAD_ARGUMENT );
return;
}
String aCommand = rPar.Get(1)->GetString();
if( aCommand.EqualsIgnoreCaseAscii( "TraceOn" ) )
GbTraceOn = true;
else
if( aCommand.EqualsIgnoreCaseAscii( "TraceOff" ) )
GbTraceOn = false;
else
if( aCommand.EqualsIgnoreCaseAscii( "PCodeOn" ) )
GbIncludePCodes = true;
else
if( aCommand.EqualsIgnoreCaseAscii( "PCodeOff" ) )
GbIncludePCodes = false;
else
if( aCommand.EqualsIgnoreCaseAscii( "Print" ) )
{
if ( rPar.Count() < 3 )
{
StarBASIC::Error( SbERR_BAD_ARGUMENT );
return;
}
SbxError eOld = SbxBase::GetError();
if( eOld != SbxERR_OK )
SbxBase::ResetError();
String aValStr = rPar.Get(2)->GetString();
SbxError eErr = SbxBase::GetError();
if( eErr != SbxERR_OK )
{
aValStr = String( RTL_CONSTASCII_USTRINGPARAM( "<ERROR converting value to String>" ) );
SbxBase::ResetError();
}
char Buffer[500];
const char* pValStr = OUStringToOString( rtl::OUString( aValStr ), RTL_TEXTENCODING_ASCII_US ).getStr();
sprintf( Buffer, "### TRACE_PRINT: %s ###", pValStr );
int nIndent = GnLastCallLvl * GnIndentPerCallLevel;
lcl_lineOut( GpTraceFileName, Buffer, lcl_getSpaces( nIndent ) );
if( eOld != SbxERR_OK )
SbxBase::SetError( eOld );
}
}
#endif
// Diese Routine ist hier definiert, damit der Compiler als eigenes Segment
// geladen werden kann.
sal_Bool SbModule::Compile()
{
if( pImage )
return sal_True;
StarBASIC* pBasic = PTR_CAST(StarBASIC,GetParent());
if( !pBasic )
return sal_False;
SbxBase::ResetError();
// Aktuelles Modul!
SbModule* pOld = pCMOD;
pCMOD = this;
SbiParser* pParser = new SbiParser( (StarBASIC*) GetParent(), this );
while( pParser->Parse() ) {}
if( !pParser->GetErrors() )
pParser->aGen.Save();
delete pParser;
// fuer den Disassembler
if( pImage )
pImage->aOUSource = aOUSource;
pCMOD = pOld;
// Beim Compilieren eines Moduls werden die Modul-globalen
// Variablen aller Module ungueltig
sal_Bool bRet = IsCompiled();
if( bRet )
{
if( !this->ISA(SbObjModule) )
pBasic->ClearAllModuleVars();
RemoveVars(); // remove 'this' Modules variables
// clear all method statics
for( sal_uInt16 i = 0; i < pMethods->Count(); i++ )
{
SbMethod* p = PTR_CAST(SbMethod,pMethods->Get( i ) );
if( p )
p->ClearStatics();
}
// #i31510 Init other libs only if Basic isn't running
if( pINST == NULL )
{
SbxObject* pParent_ = pBasic->GetParent();
if( pParent_ )
pBasic = PTR_CAST(StarBASIC,pParent_);
if( pBasic )
pBasic->ClearAllModuleVars();
}
}
return bRet;
}
/**************************************************************************
*
* Syntax-Highlighting
*
**************************************************************************/
void StarBASIC::Highlight( const String& rSrc, SbTextPortions& rList )
{
SbiTokenizer aTok( rSrc );
aTok.Hilite( rList );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */