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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include "scanner.hxx"
+
+// The tokenizer is stand-alone, i. e. he can be used from everywhere.
+// A BASIC-instance is necessary for error messages. Without BASIC the
+// errors are only counted. The BASIC is also necessary when an advanced
+// SBX-variable shall be used for recognition of data types etc.
+
+
+enum SbiToken {
+ NIL = 0,
+ // tokens between 0x20 and 0x3F are literals:
+ LPAREN = '(', RPAREN = ')', COMMA = ',', DOT = '.', EXCLAM = '!',
+ HASH = '#', SEMICOLON = ';',
+
+ // commands:
+ FIRSTKWD = 0x40,
+ AS = FIRSTKWD, ALIAS, ASSIGN,
+ CALL, CASE, CLOSE, COMPARE, CONST_,
+ DECLARE, DIM, DO,
+
+ // in the order of the data type enums!
+ DEFINT, DEFLNG, DEFSNG, DEFDBL, DEFCUR, DEFDATE, DEFSTR, DEFOBJ,
+ DEFERR, DEFBOOL, DEFVAR,
+ // in the order of the data type enums!
+ DATATYPE1,
+ TINTEGER = DATATYPE1,
+ TLONG, TSINGLE, TDOUBLE, TCURRENCY, TDATE, TSTRING, TOBJECT,
+ ERROR_, TBOOLEAN, TVARIANT, TBYTE,
+ DATATYPE2 = TBYTE,
+
+ EACH, ELSE, ELSEIF, END, ERASE, EXIT,
+ FOR, FUNCTION,
+ GET, GLOBAL, GOSUB, GOTO,
+ IF, IN_, INPUT,
+ LET, LINE, LINEINPUT, LOCAL, LOOP, LPRINT, LSET,
+ NAME, NEW, NEXT,
+ ON, OPEN, OPTION, ATTRIBUTE, IMPLEMENTS,
+ PRINT, PRIVATE, PROPERTY, PUBLIC,
+ REDIM, REM, RESUME, RETURN, RSET,
+ SELECT, SET, SHARED, STATIC, STEP, STOP, SUB,
+ TEXT, THEN, TO, TYPE, ENUM,
+ UNTIL,
+ WEND, WHILE, WITH, WRITE,
+ ENDENUM, ENDIF, ENDFUNC, ENDPROPERTY, ENDSUB, ENDTYPE, ENDSELECT, ENDWITH,
+ // end of all keywords
+ LASTKWD = ENDWITH,
+ // statement end
+ EOS, EOLN,
+ // operators:
+ EXPON, NEG, MUL,
+ DIV, IDIV, MOD, PLUS, MINUS,
+ EQ, NE, LT, GT, LE, GE,
+ NOT, AND, OR, XOR, EQV,
+ IMP, CAT, LIKE, IS, TYPEOF,
+ // miscellaneous:
+ FIRSTEXTRA,
+ NUMBER=FIRSTEXTRA, FIXSTRING, SYMBOL, CDECL_, BYVAL, BYREF,
+ OUTPUT, RANDOM, APPEND, BINARY, ACCESS,
+ LOCK, READ, PRESERVE, BASE, ANY, LIB, OPTIONAL_, PTRSAFE,
+ BASIC_EXPLICIT, COMPATIBLE, CLASSMODULE, PARAMARRAY, WITHEVENTS,
+
+ // from here there are JavaScript-tokens (same enum so that same type)
+ FIRSTJAVA,
+ JS_BREAK=FIRSTJAVA, JS_CONTINUE, JS_FOR, JS_FUNCTION, JS_IF, JS_NEW,
+ JS_RETURN, JS_THIS, JS_VAR, JS_WHILE, JS_WITH,
+
+ // JavaScript-operators
+ // _ASS_ = Assignment
+ JS_COMMA, JS_ASSIGNMENT, JS_ASS_PLUS, JS_ASS_MINUS, JS_ASS_MUL,
+ JS_ASS_DIV, JS_ASS_MOD, JS_ASS_LSHIFT, JS_ASS_RSHIFT, JS_ASS_RSHIFT_Z,
+ JS_ASS_AND, JS_ASS_XOR, JS_ASS_OR,
+ JS_COND_QUEST, JS_COND_SEL, JS_LOG_OR, JS_LOG_AND, JS_BIT_OR,
+ JS_BIT_XOR, JS_BIT_AND, JS_EQ, JS_NE, JS_LT, JS_LE,
+ JS_GT, JS_GE, JS_LSHIFT, JS_RSHIFT, JS_RSHIFT_Z,
+ JS_PLUS, JS_MINUS, JS_MUL, JS_DIV, JS_MOD, JS_LOG_NOT, JS_BIT_NOT,
+ JS_INC, JS_DEC, JS_LPAREN, JS_RPAREN, JS_LINDEX, JS_RINDEX
+ , VBASUPPORT
+};
+
+class SbiTokenizer : public SbiScanner {
+protected:
+ SbiToken eCurTok;
+ SbiToken ePush;
+ sal_uInt16 nPLine, nPCol1, nPCol2; // pushback location
+ bool bEof;
+ bool bEos;
+ bool bAs; // last keyword was AS
+ bool bErrorIsSymbol; // Handle Error token as Symbol, not keyword
+public:
+ SbiTokenizer( const OUString&, StarBASIC* = nullptr );
+
+ bool IsEof() const { return bEof; }
+ bool IsEos() const { return bEos; }
+
+ void Push( SbiToken );
+ const OUString& Symbol( SbiToken ); // reconversion
+
+ SbiToken Peek(); // read the next token
+ SbiToken Next(); // read a token
+ bool MayBeLabel( bool= false );
+
+ void Error( ErrCode c ) { GenError( c ); }
+ void Error( ErrCode, SbiToken );
+ void Error( ErrCode, const OUString &);
+
+ static bool IsEoln( SbiToken t )
+ { return t == EOS || t == EOLN || t == REM; }
+ static bool IsKwd( SbiToken t )
+ { return t >= FIRSTKWD && t <= LASTKWD; }
+ static bool IsExtra( SbiToken t )
+ { return t >= FIRSTEXTRA; }
+ static OUString GetKeywordCase( const OUString& sKeyword );
+};
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */