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| -rw-r--r-- | basic/source/inc/opcodes.hxx | 159 |
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diff --git a/basic/source/inc/opcodes.hxx b/basic/source/inc/opcodes.hxx new file mode 100644 index 000000000..cb9711036 --- /dev/null +++ b/basic/source/inc/opcodes.hxx @@ -0,0 +1,159 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_BASIC_SOURCE_INC_OPCODES_HXX +#define INCLUDED_BASIC_SOURCE_INC_OPCODES_HXX + +// An opcode can have a length of 1, 3 or 5 bytes, +// depending on its numeric value (see below). + +enum class SbiOpcode { + // all opcodes without operands + NOP_ = 0, + + SbOP0_START = NOP_, + + // operators + // the following operators are ordered + // the same way as the enum SbxVarOp + EXP_, MUL_, DIV_, MOD_, PLUS_, MINUS_, NEG_, + EQ_, NE_, LT_, GT_, LE_, GE_, + IDIV_, AND_, OR_, XOR_, EQV_, IMP_, NOT_, + CAT_, + // end of enum SbxVarOp + LIKE_, IS_, + // load/save + ARGC_, // establish new Argv + ARGV_, // TOS ==> current Argv + INPUT_, // Input ==> TOS + LINPUT_, // Line Input ==> TOS + GET_, // touch TOS + SET_, // save object TOS ==> TOS-1 + PUT_, // TOS ==> TOS-1 + PUTC_, // TOS ==> TOS-1, then ReadOnly + DIM_, // DIM + REDIM_, // REDIM + REDIMP_, // REDIM PRESERVE + ERASE_, // delete TOS + // branch + STOP_, // end of program + INITFOR_, // initialize FOR-variable + NEXT_, // increment FOR-variable + CASE_, // beginning CASE + ENDCASE_, // end CASE + STDERROR_, // standard error handling + NOERROR_, // no error handling + LEAVE_, // leave UP + // E/A + CHANNEL_, // TOS = channel number + BPRINT_, // print TOS + PRINTF_, // print TOS in field + BWRITE_, // write TOS + RENAME_, // Rename Tos+1 to Tos + PROMPT_, // TOS = Prompt for Input + RESTART_, // define restart point + CHAN0_, // I/O-channel 0 + // miscellaneous + EMPTY_, // empty expression on stack + ERROR_, // TOS = error code + LSET_, // saving object TOS ==> TOS-1 + RSET_, // saving object TOS ==> TOS-1 + REDIMP_ERASE_, // Copies array to be later used by REDIM PRESERVE before erasing it + INITFOREACH_, + VBASET_, // VBA-like Set + ERASE_CLEAR_, // Erase array and clear variable + ARRAYACCESS_, // Assign parameters to TOS and get value, used for array of arrays + BYVAL_, // byref -> byval for lvalue parameter passed in call + + SbOP0_END = BYVAL_, + + // all opcodes with one operand + + NUMBER_ = 0x40, // loading a numeric constant (+ID) + + SbOP1_START = NUMBER_, + + SCONST_, // loading a string constant (+ID) + CONST_, // Immediate Load (+ value) + ARGN_, // saving a named Arg in Argv (+StringID) + PAD_, // bring string to a firm length (+length) + // branch + JUMP_, // jump (+target) + JUMPT_, // evaluate TOS, conditional jump (+target) + JUMPF_, // evaluate TOS, conditional jump (+target) + ONJUMP_, // evaluate TOS, jump into JUMP-table (+MaxVal) + GOSUB_, // UP-call (+Target) + RETURN_, // UP-return (+0 or Target) + TESTFOR_, // test FOR-variable, increment (+Endlabel) + CASETO_, // Tos+1 <= Case <= Tos, 2xremove (+Target) + ERRHDL_, // error handler (+Offset) + RESUME_, // Resume after errors (+0 or 1 or Label) + // E/A + CLOSE_, // (+channel/0) + PRCHAR_, // (+char) + // management + SETCLASS_, // test set + class names (+StringId) + TESTCLASS_, // Check TOS class (+StringId) + LIB_, // set lib name for declare-procs (+StringId) + BASED_, // TOS is incremented by BASE, BASE is pushed before (+base) + // type adjustment in the Argv + ARGTYP_, // convert last parameter in Argv (+type) + VBASETCLASS_, // VBA-like Set + + SbOP1_END = VBASETCLASS_, + + // all opcodes with two operands + + RTL_ = 0x80, // load from the RTL (+StringID+Typ) + + SbOP2_START = RTL_, + + FIND_, // load (+StringID+Typ) + ELEM_, // load element (+StringID+Typ) + PARAM_, // parameters (+Offset+Typ) + // branch + CALL_, // call DECLARE-method (+StringID+Typ) + CALLC_, // call Cdecl-DECLARE-Method (+StringID+Typ) + CASEIS_, // case-test (+Test-Opcode+True-Target) + // management + STMNT_, // begin of a statement (+Line+Col) + // E/A + OPEN_, // (+StreamMode+Flags) + // objects + LOCAL_, // define locals variables (+StringID+Typ) + PUBLIC_, // module global variables (+StringID+Typ) + GLOBAL_, // define global variables, public command (+StringID+Typ) + CREATE_, // create object (+StringId+StringID) + STATIC_, // static variable (+StringID+Typ) JSM + TCREATE_, // create user-defined object + DCREATE_, // create object-array (+StringId+StringID) + GLOBAL_P_, // define global variable that's not overwritten on restarting + // the Basic, P=PERSIST (+StringID+Typ) + FIND_G_, // finds global variable with special treatment due to GLOBAL_P_ + DCREATE_REDIMP_, // redimension object-array (+StringId+StringID) + FIND_CM_, // Search inside a class module (CM) to enable global search in time + PUBLIC_P_, // Module global Variable (persisted between calls)(+StringID+Typ) + FIND_STATIC_, // local static var lookup (+StringID+Typ) + + SbOP2_END = FIND_STATIC_ +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |