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78 lines
3.7 KiB
78 lines
3.7 KiB
9 months ago
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From d6bfde52b0b51e96075cfb195c2f9d8200a0fb08 Mon Sep 17 00:00:00 2001
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From: Eike Rathke <erack@redhat.com>
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Date: Thu, 16 Feb 2023 20:20:31 +0100
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Subject: [PATCH 1/3] Obtain actual 0-parameter count for OR(), AND() and
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1-parameter functions
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OR and AND for legacy infix notation are classified as binary
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operators but in fact are functions with parameter count. In case
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no argument is supplied, GetByte() returns 0 and for that case the
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implicit binary operator 2 parameters were wrongly assumed.
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Similar for functions expecting 1 parameter, without argument 1
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was assumed. For "real" unary and binary operators the compiler
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already checks parameters. Omit OR and AND and 1-parameter
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functions from this implicit assumption and return the actual 0
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count.
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Change-Id: Ie05398c112a98021ac2875cf7b6de994aee9d882
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Reviewed-on: https://gerrit.libreoffice.org/c/core/+/147173
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Reviewed-by: Eike Rathke <erack@redhat.com>
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Tested-by: Jenkins
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(cherry picked from commit e7ce9bddadb2db222eaa5f594ef1de2e36d57e5c)
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---
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formula/source/core/api/token.cxx | 13 +++++--------
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sc/source/core/tool/interpr4.cxx | 10 +++++++++-
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2 files changed, 14 insertions(+), 9 deletions(-)
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diff --git a/formula/source/core/api/token.cxx b/formula/source/core/api/token.cxx
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index 37dd26979ced..c2b12cf3a145 100644
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--- a/formula/source/core/api/token.cxx
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+++ b/formula/source/core/api/token.cxx
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@@ -93,17 +93,14 @@ sal_uInt8 FormulaToken::GetParamCount() const
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return 0; // parameters and specials
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// ocIf... jump commands not for FAP, have cByte then
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//2do: bool parameter whether FAP or not?
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- else if ( GetByte() )
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+ else if (GetByte())
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return GetByte(); // all functions, also ocExternal and ocMacro
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- else if (SC_OPCODE_START_BIN_OP <= eOp && eOp < SC_OPCODE_STOP_BIN_OP)
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- return 2; // binary
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- else if ((SC_OPCODE_START_UN_OP <= eOp && eOp < SC_OPCODE_STOP_UN_OP)
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- || eOp == ocPercentSign)
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- return 1; // unary
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+ else if (SC_OPCODE_START_BIN_OP <= eOp && eOp < SC_OPCODE_STOP_BIN_OP && eOp != ocAnd && eOp != ocOr)
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+ return 2; // binary operators, compiler checked; OR and AND legacy but are functions
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+ else if ((SC_OPCODE_START_UN_OP <= eOp && eOp < SC_OPCODE_STOP_UN_OP) || eOp == ocPercentSign)
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+ return 1; // unary operators, compiler checked
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else if (SC_OPCODE_START_NO_PAR <= eOp && eOp < SC_OPCODE_STOP_NO_PAR)
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return 0; // no parameter
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- else if (SC_OPCODE_START_1_PAR <= eOp && eOp < SC_OPCODE_STOP_1_PAR)
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- return 1; // one parameter
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else if (FormulaCompiler::IsOpCodeJumpCommand( eOp ))
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return 1; // only the condition counts as parameter
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else
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diff --git a/sc/source/core/tool/interpr4.cxx b/sc/source/core/tool/interpr4.cxx
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index b9d34cd080a6..d5d8588fe49a 100644
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--- a/sc/source/core/tool/interpr4.cxx
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+++ b/sc/source/core/tool/interpr4.cxx
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@@ -4022,7 +4022,15 @@ StackVar ScInterpreter::Interpret()
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else if (sp >= pCur->GetParamCount())
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nStackBase = sp - pCur->GetParamCount();
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else
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- nStackBase = sp; // underflow?!?
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+ {
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+ SAL_WARN("sc.core", "Stack anomaly at " << aPos.Format(
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+ ScRefFlags::VALID | ScRefFlags::FORCE_DOC | ScRefFlags::TAB_3D, &mrDoc)
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+ << " eOp: " << static_cast<int>(eOp)
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+ << " params: " << static_cast<int>(pCur->GetParamCount())
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+ << " nStackBase: " << nStackBase << " sp: " << sp);
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+ nStackBase = sp;
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+ assert(!"underflow");
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+ }
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}
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switch( eOp )
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--
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2.41.0
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