kicad/pcbnew/plugins/kicad/pcb_parser.h

414 lines
13 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 CERN
* Copyright (C) 2012-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file pcb_parser.h
* @brief Pcbnew s-expression file format parser definition.
*/
#ifndef _PCBNEW_PARSER_H_
#define _PCBNEW_PARSER_H_
#include <convert_to_biu.h> // IU_PER_MM
#include <core/wx_stl_compat.h>
#include <hashtables.h>
#include <layer_ids.h> // PCB_LAYER_ID
#include <pcb_lexer.h>
#include <kiid.h>
#include <chrono>
#include <unordered_map>
class PCB_ARC;
class BOARD;
class BOARD_ITEM;
class BOARD_ITEM_CONTAINER;
class PAD;
class BOARD_DESIGN_SETTINGS;
class PCB_DIMENSION_BASE;
class PCB_SHAPE;
class EDA_TEXT;
class FP_SHAPE;
class FP_TEXT;
class PCB_TEXT;
class PCB_TRACK;
class FOOTPRINT;
class PCB_GROUP;
class PCB_TARGET;
class PCB_VIA;
class ZONE;
class FP_3DMODEL;
class SHAPE_LINE_CHAIN;
struct LAYER;
class PROGRESS_REPORTER;
/**
* Read a Pcbnew s-expression formatted #LINE_READER object and returns the appropriate
* #BOARD_ITEM object.
*/
class PCB_PARSER : public PCB_LEXER
{
public:
PCB_PARSER( LINE_READER* aReader = nullptr ) :
PCB_LEXER( aReader ),
m_board( nullptr ),
m_resetKIIDs( false ),
m_progressReporter( nullptr ),
m_lineReader( nullptr ),
m_lastProgressTime( std::chrono::steady_clock::now() ),
m_lineCount( 0 )
{
init();
}
// ~PCB_PARSER() {}
/**
* Set @a aLineReader into the parser, and returns the previous one, if any.
*
* @param aReader is what to read from for tokens, no ownership is received.
* @return LINE_READER* - previous LINE_READER or NULL if none.
*/
LINE_READER* SetLineReader( LINE_READER* aReader )
{
LINE_READER* ret = PopReader();
PushReader( aReader );
return ret;
}
void SetBoard( BOARD* aBoard )
{
init();
m_board = aBoard;
if( aBoard != nullptr )
m_resetKIIDs = true;
}
void SetProgressReporter( PROGRESS_REPORTER* aProgressReporter, const LINE_READER* aLineReader,
unsigned aLineCount )
{
m_progressReporter = aProgressReporter;
m_lineReader = aLineReader;
m_lastProgressTime = std::chrono::steady_clock::now();
m_lineCount = aLineCount;
}
BOARD_ITEM* Parse();
/**
* @param aInitialComments may be a pointer to a heap allocated initial comment block
* or NULL. If not NULL, then caller has given ownership of a
* wxArrayString to this function and care must be taken to
* delete it even on exception.
*/
FOOTPRINT* parseFOOTPRINT( wxArrayString* aInitialComments = nullptr );
/**
* Return whether a version number, if any was parsed, was too recent
*/
bool IsTooRecent()
{
return m_tooRecent;
}
/**
* Return a string representing the version of KiCad required to open this
* file. Not particularly meaningful if IsTooRecent() returns false.
*/
wxString GetRequiredVersion();
private:
///< Convert net code using the mapping table if available,
///< otherwise returns unchanged net code if < 0 or if is is out of range
inline int getNetCode( int aNetCode )
{
if( ( aNetCode >= 0 ) && ( aNetCode < (int) m_netCodes.size() ) )
return m_netCodes[aNetCode];
return aNetCode;
}
/**
* Add aValue value in netcode mapping (m_netCodes) at \a aIndex.
*
* Ensure there is room in m_netCodes for that, and add room if needed.
*
* @param aIndex is the index ( expected >=0 )of the location to use in m_netCodes.
* @param aValue is the netcode value to map.
*/
void pushValueIntoMap( int aIndex, int aValue );
/**
* Clear and re-establish m_layerMap with the default layer names.
*
* m_layerMap will have some of its entries overwritten whenever a (new) board
* is encountered.
*/
void init();
void checkpoint();
/**
* Create a mapping from the (short-lived) bug where layer names were translated.
*
* @todo Remove this once we support custom layer names.
*
* @param aMap string mapping from translated to English layer names.
*/
void createOldLayerMapping( std::unordered_map< std::string, std::string >& aMap );
/**
* Skip the current token level, i.e search for the RIGHT parenthesis which closes the
* current description.
*/
void skipCurrent();
void parseHeader();
void parseGeneralSection();
void parsePAGE_INFO();
void parseTITLE_BLOCK();
void parseLayers();
void parseLayer( LAYER* aLayer );
void parseBoardStackup();
void parseSetup();
void parseDefaults( BOARD_DESIGN_SETTINGS& aSettings );
void parseDefaultTextDims( BOARD_DESIGN_SETTINGS& aSettings, int aLayer );
void parseNETINFO_ITEM();
void parseNETCLASS();
PCB_SHAPE* parsePCB_SHAPE();
PCB_TEXT* parsePCB_TEXT();
PCB_DIMENSION_BASE* parseDIMENSION();
// Parse a footprint, but do not replace PARSE_ERROR with FUTURE_FORMAT_ERROR automatically.
FOOTPRINT* parseFOOTPRINT_unchecked( wxArrayString* aInitialComments = nullptr );
FP_TEXT* parseFP_TEXT();
FP_SHAPE* parseFP_SHAPE();
PAD* parsePAD( FOOTPRINT* aParent = nullptr );
// Parse only the (option ...) inside a pad description
bool parsePAD_option( PAD* aPad );
PCB_ARC* parseARC();
PCB_TRACK* parsePCB_TRACK();
PCB_VIA* parsePCB_VIA();
ZONE* parseZONE( BOARD_ITEM_CONTAINER* aParent );
PCB_TARGET* parsePCB_TARGET();
BOARD* parseBOARD();
void parseGROUP( BOARD_ITEM* aParent );
// Parse a board, but do not replace PARSE_ERROR with FUTURE_FORMAT_ERROR automatically.
BOARD* parseBOARD_unchecked();
/**
* Parse the current token for the layer definition of a #BOARD_ITEM object.
*
* @param aMap is the LAYER_{NUM|MSK}_MAP to use for the lookup.
* @return The result of the parsed #BOARD_ITEM layer or set designator.
* @throw IO_ERROR if the layer is not valid.
* @throw PARSE_ERROR if the layer syntax is incorrect.
*/
template<class T, class M>
T lookUpLayer( const M& aMap );
/**
* Parse the layer definition of a #BOARD_ITEM object.
*
* @return The index the parsed #BOARD_ITEM layer.
* @throw IO_ERROR if the layer is not valid.
* @throw PARSE_ERROR if the layer syntax is incorrect.
*/
PCB_LAYER_ID parseBoardItemLayer();
/**
* Parse the layers definition of a #BOARD_ITEM object.
*
* @return The mask of layers the parsed #BOARD_ITEM is on.
* @throw IO_ERROR if any of the layers is not valid.
* @throw PARSE_ERROR if the layers syntax is incorrect.
*/
LSET parseBoardItemLayersAsMask();
/**
* Parse a coordinate pair (xy X Y) in board units (mm).
*
* The parser checks if the previous token was T_LEFT and parses the remainder of
* the token syntax. This is used when parsing a list of coordinate points. This
* way the parser can be used in either case.
*
* @return A wxPoint object containing the coordinate pair.
* @throw PARSE_ERROR if the coordinate pair syntax is incorrect.
*/
wxPoint parseXY();
void parseXY( int* aX, int* aY );
std::pair<wxString, wxString> parseProperty();
/**
* Parses possible outline points and stores them into \p aPoly. This accepts points
* for DRAWSEGMENT polygons, EDGEMODULE polygons and ZONE_CONTAINER polygons. Points
* and arcs are added to the most recent outline
*
* @param aPoly polygon container to add points and arcs
*/
void parseOutlinePoints( SHAPE_LINE_CHAIN& aPoly );
/**
* Parse the common settings for any object derived from #EDA_TEXT.
*
* @param aText A point to the #EDA_TEXT object to save the parsed settings into.
* @throw PARSE_ERROR if the text syntax is not valid.
*/
void parseEDA_TEXT( EDA_TEXT* aText );
FP_3DMODEL* parse3DModel();
/**
* Parse the current token as an ASCII numeric string with possible leading
* whitespace into a double precision floating point number.
*
* @return The result of the parsed token.
* @throw IO_ERROR if an error occurs attempting to convert the current token.
*/
double parseDouble();
inline double parseDouble( const char* aExpected )
{
NeedNUMBER( aExpected );
return parseDouble();
}
inline double parseDouble( PCB_KEYS_T::T aToken )
{
return parseDouble( GetTokenText( aToken ) );
}
/**
* Parse angles into deci-degrees.
*/
double parseAngle() { return parseDouble() * 10.0; }
inline double parseAngle( const char* aExpected )
{
return parseDouble( aExpected ) * 10.0;
}
int parseBoardUnits();
int parseBoardUnits( const char* aExpected );
inline int parseBoardUnits( PCB_KEYS_T::T aToken )
{
return parseBoardUnits( GetTokenText( aToken ) );
}
inline int parseInt()
{
return (int)strtol( CurText(), nullptr, 10 );
}
inline int parseInt( const char* aExpected )
{
NeedNUMBER( aExpected );
return parseInt();
}
inline long parseHex()
{
NextTok();
return strtol( CurText(), nullptr, 16 );
}
bool parseBool();
/*
* @return if m_resetKIIDs, returns new KIID(), otherwise returns CurStr() as KIID.
*/
KIID CurStrToKIID();
/**
* Called after parsing a footprint definition or board to build the group membership
* lists.
*/
void resolveGroups( BOARD_ITEM* aParent );
typedef std::unordered_map< std::string, PCB_LAYER_ID > LAYER_ID_MAP;
typedef std::unordered_map< std::string, LSET > LSET_MAP;
typedef std::unordered_map< wxString, KIID > KIID_MAP;
///< The type of progress bar timeout
using TIMEOUT = std::chrono::milliseconds;
///< The clock used for the timestamp (guaranteed to be monotonic).
using CLOCK = std::chrono::steady_clock;
///< The type of the time stamps.
using TIME_PT = std::chrono::time_point<CLOCK>;
BOARD* m_board;
LAYER_ID_MAP m_layerIndices; ///< map layer name to it's index
LSET_MAP m_layerMasks; ///< map layer names to their masks
std::set<wxString> m_undefinedLayers; ///< set of layers not defined in layers section
std::vector<int> m_netCodes; ///< net codes mapping for boards being loaded
bool m_tooRecent; ///< true if version parses as later than supported
int m_requiredVersion; ///< set to the KiCad format version this board requires
bool m_resetKIIDs; ///< reading into an existing board; reset UUIDs
///< if resetting UUIDs, record new ones to update groups with.
KIID_MAP m_resetKIIDMap;
bool m_showLegacyZoneWarning;
PROGRESS_REPORTER* m_progressReporter; ///< optional; may be nullptr
const LINE_READER* m_lineReader; ///< for progress reporting
TIME_PT m_lastProgressTime; ///< for progress reporting
unsigned m_lineCount; ///< for progress reporting
// Group membership info refers to other Uuids in the file.
// We don't want to rely on group declarations being last in the file, so
// we store info about the group declarations here during parsing and then resolve
// them into BOARD_ITEM* after we've parsed the rest of the file.
struct GROUP_INFO
{
BOARD_ITEM* parent;
wxString name;
bool locked;
KIID uuid;
std::vector<KIID> memberUuids;
};
std::vector<GROUP_INFO> m_groupInfos;
};
#endif // _PCBNEW_PARSER_H_