DSNLEXER::NextTok() organizes the specctraMode code better, into one if block mostly.
This keeps it out of the KiCad mode path, making that leaner and less confusing about what is supported in KiCad mode. Within KiCad mode, treat quoted vs. non-quoted tokens as the two general categories, with non-quoted having sub-categories. Eliminate an unimplemented, unused function declaration in DSNLEXER. Improve the output formatting of THROW_PARSE_ERROR().
This commit is contained in:
Dick Hollenbeck
parent
44d31a1897
commit
caf5fc8d8d
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@ -196,19 +196,18 @@ int DSNLEXER::findToken( const std::string& tok )
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if( findings )
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return findings->token;
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else
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return -1;
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return DSN_SYMBOL; // not a keyword, some arbitrary symbol.
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}
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#else
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int DSNLEXER::findToken( const std::string& tok )
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inline int DSNLEXER::findToken( const std::string& tok )
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{
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KEYWORD_MAP::const_iterator it = keyword_hash.find( tok.c_str() );
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if( it == keyword_hash.end() )
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return -1;
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if( it != keyword_hash.end() )
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return it->second;
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return DSN_SYMBOL; // not a keyword, some arbitrary symbol.
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}
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#endif
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@ -300,25 +299,24 @@ bool DSNLEXER::IsSymbol( int aTok )
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void DSNLEXER::Expecting( int aTok ) throw( IO_ERROR )
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{
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wxString errText;
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errText.Printf( _("Expecting '%s'"), GetChars( GetTokenString( aTok ) ) );
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wxString errText = wxString::Format(
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_("Expecting '%s'"), GetChars( GetTokenString( aTok ) ) );
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THROW_PARSE_ERROR( errText, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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void DSNLEXER::Expecting( const char* text ) throw( IO_ERROR )
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{
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wxString errText;
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errText.Printf( _("Expecting '%s'"),
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GetChars( wxString::FromUTF8( text ) ) );
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wxString errText = wxString::Format(
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_("Expecting '%s'"), GetChars( wxString::FromUTF8( text ) ) );
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THROW_PARSE_ERROR( errText, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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void DSNLEXER::Unexpected( int aTok ) throw( IO_ERROR )
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{
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wxString errText;
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errText.Printf( _("Unexpected '%s'"), GetChars( GetTokenString( aTok ) ) );
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wxString errText = wxString::Format(
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_("Unexpected '%s'"), GetChars( GetTokenString( aTok ) ) );
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THROW_PARSE_ERROR( errText, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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@ -333,9 +331,8 @@ void DSNLEXER::Duplicate( int aTok ) throw( IO_ERROR )
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void DSNLEXER::Unexpected( const char* text ) throw( IO_ERROR )
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{
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wxString errText;
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errText.Printf( _("Unexpected '%s'"),
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GetChars( wxString::FromUTF8( text ) ) );
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wxString errText = wxString::Format(
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_("Unexpected '%s'"), GetChars( wxString::FromUTF8( text ) ) );
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THROW_PARSE_ERROR( errText, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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@ -433,11 +430,11 @@ inline bool isSep( char cc )
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* at the first non-number character, even if it is not whitespace.
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*
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* @param cp is the start of the current token.
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* @param limit is the end of the current line of text.
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* @return const char* - if initial text was a number, then pointer to the text
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* after this number, else NULL if initial text was not a number.
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* @param limit is the end of the current token.
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*
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* @return bool - true if input token is a number, else false.
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*/
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static const char* isNumber( const char* cp, const char* limit )
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static bool isNumber( const char* cp, const char* limit )
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{
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// regex for a float: "^[-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?" i.e. any number,
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// code traversal manually here:
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@ -483,7 +480,7 @@ static const char* isNumber( const char* cp, const char* limit )
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}
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}
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return sawNumber ? cp : NULL;
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return sawNumber;
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}
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@ -494,8 +491,9 @@ int DSNLEXER::NextTok() throw( IO_ERROR )
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prevTok = curTok;
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if( curTok != DSN_EOF )
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{
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if( curTok == DSN_EOF )
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goto exit;
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if( cur >= limit )
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{
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L_read:
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@ -565,63 +563,12 @@ L_read:
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goto exit;
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}
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// switching the string_quote character
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if( prevTok == DSN_STRING_QUOTE )
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{
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static const wxString errtxt( _("String delimiter must be a single character of ', \", or $"));
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char cc = *cur;
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switch( cc )
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{
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case '\'':
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case '$':
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case '"':
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break;
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default:
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THROW_PARSE_ERROR( errtxt, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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curText = cc;
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head = cur+1;
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if( head<limit && !isSep( *head ) )
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{
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THROW_PARSE_ERROR( errtxt, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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curTok = DSN_QUOTE_DEF;
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goto exit;
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}
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/* get the dash out of a <pin_reference> which is embedded for example
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like: U2-14 or "U2"-"14"
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This is detectable by a non-space immediately preceeding the dash.
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*/
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if( *cur == '-' && cur>start && !isSpace( cur[-1] ) )
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{
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curText = '-';
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curTok = DSN_DASH;
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head = cur+1;
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goto exit;
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}
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if( ( head = isNumber( cur, limit ) ) != NULL &&
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// token can only be a number if trailing text is a separator or line end
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( head==limit || isSep( *head ) ) )
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{
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curText.clear();
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curText.append( cur, head );
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curTok = DSN_NUMBER;
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goto exit;
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}
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// a quoted string, will return DSN_STRING
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if( *cur == stringDelimiter )
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{
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// Non-specctraMode, understands and deciphers escaped \, \r, \n, and \".
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// Strips off leading and trailing double quotes
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if( !specctraMode )
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{
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// a quoted string, will return DSN_STRING
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if( *cur == stringDelimiter )
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{
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// copy the token, character by character so we can remove doubled up quotes.
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curText.clear();
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@ -705,8 +652,53 @@ L_read:
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wxString errtxt( _( "Un-terminated delimited string" ) );
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THROW_PARSE_ERROR( errtxt, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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}
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else // specctraMode DSN_STRING
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else // is specctraMode, tests in this block should not occur in KiCad mode.
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{
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/* get the dash out of a <pin_reference> which is embedded for example
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like: U2-14 or "U2"-"14"
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This is detectable by a non-space immediately preceeding the dash.
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*/
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if( *cur == '-' && cur>start && !isSpace( cur[-1] ) )
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{
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curText = '-';
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curTok = DSN_DASH;
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head = cur+1;
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goto exit;
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}
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// switching the string_quote character
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if( prevTok == DSN_STRING_QUOTE )
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{
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static const wxString errtxt( _("String delimiter must be a single character of ', \", or $"));
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char cc = *cur;
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switch( cc )
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{
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case '\'':
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case '$':
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case '"':
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break;
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default:
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THROW_PARSE_ERROR( errtxt, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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curText = cc;
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head = cur+1;
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if( head<limit && !isSep( *head ) )
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{
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THROW_PARSE_ERROR( errtxt, CurSource(), CurLine(), CurLineNumber(), CurOffset() );
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}
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curTok = DSN_QUOTE_DEF;
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goto exit;
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}
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// specctraMode DSN_STRING
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if( *cur == stringDelimiter )
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{
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++cur; // skip over the leading delimiter: ",', or $
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@ -729,30 +721,28 @@ L_read:
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curTok = DSN_STRING;
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goto exit;
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}
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}
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// Maybe it is a token we will find in the token table.
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// If not, then call it a DSN_SYMBOL.
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{
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head = cur+1;
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while( head<limit && !isSep( *head ) )
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++head;
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} // specctraMode
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// non-quoted token, read it into curText.
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curText.clear();
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curText.append( cur, head );
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int found = findToken( curText );
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head = cur;
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while( head<limit && !isSep( *head ) )
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curText += *head++;
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if( found != -1 )
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curTok = found;
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if( isNumber( curText.c_str(), curText.c_str() + curText.size() ) )
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{
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curTok = DSN_NUMBER;
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goto exit;
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}
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else if( 0 == curText.compare( "string_quote" ) )
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if( specctraMode && curText == "string_quote" )
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{
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curTok = DSN_STRING_QUOTE;
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goto exit;
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}
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else // unrecogized token, call it a symbol
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curTok = DSN_SYMBOL;
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}
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}
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curTok = findToken( curText );
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exit: // single point of exit, no returns elsewhere please.
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@ -776,7 +766,9 @@ wxArrayString* DSNLEXER::ReadCommentLines() throw( IO_ERROR )
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ret = new wxArrayString();
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do
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{
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ret->Add( FromUTF8() );
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}
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while( ( tok = NextTok() ) == DSN_COMMENT );
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}
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@ -134,19 +134,6 @@ protected:
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return 0;
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}
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/**
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* Function readLineOrCmt
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* reads a line from the LINE_READER and returns either:
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* <ol>
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* <li> a positive line length (a +1 if empty line)
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* <li> zero of end of file.
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* <li> DSN_COMMENT if the line is a comment
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* </ol>
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*/
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int readLineOrCmt();
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/**
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* Function findToken
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* takes a string and looks up the string in the list of expected
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@ -154,7 +141,8 @@ protected:
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*
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* @param tok A string holding the token text to lookup, in an
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* unpredictable case: uppercase or lowercase
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* @return int - DSN_T or -1 if argument string is not a recognized token.
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* @return int - DSN_T matching the keyword text, or DSN_SYMBOL if argument
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* string is not a recognized token.
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*/
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int findToken( const std::string& tok );
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@ -168,6 +156,8 @@ protected:
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return false;
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}
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#endif
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public:
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@ -45,7 +45,7 @@
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#define IO_FORMAT _( "IO_ERROR: %s\nfrom %s : %s" )
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#define PARSE_FORMAT _( "PARSE_ERROR: %s in input/source \"%s\", line %d, offset %d\nfrom %s : %s" )
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#define PARSE_FORMAT _( "PARSE_ERROR: %s in input/source\n'%s'\nline %d\noffset %d\nfrom %s : %s" )
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// references:
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// http://stackoverflow.com/questions/2670816/how-can-i-use-the-compile-time-constant-line-in-a-string
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@ -50,6 +50,9 @@
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#include <class_board.h>
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#include <build_version.h> // LEGACY_BOARD_FILE_VERSION
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//#define USE_INSTRUMENTATION true
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#define USE_INSTRUMENTATION false
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static const wxString backupFileExtensionSuffix( wxT( "-bak" ) );
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static const wxString autosaveFilePrefix( wxT( "_autosave-" ) );
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@ -283,7 +286,7 @@ bool PCB_EDIT_FRAME::LoadOnePcbFile( const wxString& aFileName, bool aAppend,
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props["page_width"] = wxString::Format( wxT( "%d" ), GetPageSizeIU().x );
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props["page_height"] = wxString::Format( wxT( "%d" ), GetPageSizeIU().y );
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#if 0
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#if USE_INSTRUMENTATION
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// measure the time to load a BOARD.
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unsigned startTime = GetRunningMicroSecs();
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#endif
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@ -291,7 +294,7 @@ bool PCB_EDIT_FRAME::LoadOnePcbFile( const wxString& aFileName, bool aAppend,
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// load or append either:
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loadedBoard = pi->Load( GetBoard()->GetFileName(), aAppend ? GetBoard() : NULL, &props );
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#if 0
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#if USE_INSTRUMENTATION
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unsigned stopTime = GetRunningMicroSecs();
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printf( "PLUGIN::Load(): %u usecs\n", stopTime - startTime );
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#endif
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