Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 156 insertions, 0 deletions

diff --git a/basic/source/inc/opcodes.hxx b/basic/source/inc/opcodes.hxx
new file mode 100644
index 000000000..b9c5e692a
--- /dev/null
+++ b/basic/source/inc/opcodes.hxx
@@ -0,0 +1,156 @@
+/* -*- 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
+
+// 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_
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */