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BASIC : Use a vector to store the argv stack

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Change-Id: I29c93aec598b7f784f549ce05f6b32dfabbfc3ad
Reviewed-on: https://gerrit.libreoffice.org/23815
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Arnaud Versini <arnaud.versini@libreoffice.org>
This commit is contained in:
Arnaud Versini
2016-04-04 20:04:24 +02:00
committed by Arnaud Versini
parent 82a04a8269
commit c1e4d402c6
2 changed files with 13 additions and 17 deletions
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4
basic/source/inc/runtime.hxx
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@@ -40,7 +40,7 @@
class SbiInstance; // active StarBASIC process class SbiInstance; // active StarBASIC process
class SbiRuntime; // active StarBASIC procedure instance class SbiRuntime; // active StarBASIC procedure instance
struct SbiArgvStack; // Argv stack element struct SbiArgv; // Argv stack element
struct SbiGosub; // GOSUB stack element struct SbiGosub; // GOSUB stack element
class SbiImage; // Code-Image class SbiImage; // Code-Image
class SbiIoSystem; class SbiIoSystem;
@@ -230,7 +230,6 @@ class SbiRuntime
SbxVariableRef refRedim; // Array saved to use for REDIM SbxVariableRef refRedim; // Array saved to use for REDIM
SbxVariableRef xDummyVar; // substitute for variables that weren't found SbxVariableRef xDummyVar; // substitute for variables that weren't found
SbxVariable* mpExtCaller; // Caller ( external - e.g. button name, shape, range object etc. - only in vba mode ) SbxVariable* mpExtCaller; // Caller ( external - e.g. button name, shape, range object etc. - only in vba mode )
SbiArgvStack* pArgvStk; // ARGV-Stack
SbiForStack* pForStk; // FOR/NEXT-Stack SbiForStack* pForStk; // FOR/NEXT-Stack
sal_uInt16 nExprLvl; // depth of the expr-stack sal_uInt16 nExprLvl; // depth of the expr-stack
sal_uInt16 nForLvl; // #118235: Maintain for level sal_uInt16 nForLvl; // #118235: Maintain for level
@@ -258,6 +257,7 @@ class SbiRuntime
std::vector<SbxVariableRef> aRefSaved; // #74254 save temporary references std::vector<SbxVariableRef> aRefSaved; // #74254 save temporary references
std::vector<SbiGosub> pGosubStk; // GOSUB stack std::vector<SbiGosub> pGosubStk; // GOSUB stack
std::vector<SbiArgv> pArgvStk; // ARGV-Stack
SbxVariable* FindElement SbxVariable* FindElement

26
basic/source/runtime/runtime.cxx
View File

@@ -111,10 +111,13 @@ bool StarBASIC::isVBAEnabled()
return false; return false;
} }
struct SbiArgvStack { // Argv stack: struct SbiArgv { // Argv stack:
SbiArgvStack* pNext; // Stack Chain
SbxArrayRef refArgv; // Argv SbxArrayRef refArgv; // Argv
short nArgc; // Argc short nArgc; // Argc
SbiArgv(SbxArrayRef refArgv_, short nArgc_) :
refArgv(refArgv_),
nArgc(nArgc_) {}
}; };
#define MAXRECURSION 500 //to prevent dead-recursions #define MAXRECURSION 500 //to prevent dead-recursions
@@ -577,7 +580,6 @@ SbiRuntime::SbiRuntime( SbModule* pm, SbMethod* pe, sal_uInt32 nStart )
{ {
nFlags = pe ? pe->GetDebugFlags() : 0; nFlags = pe ? pe->GetDebugFlags() : 0;
pIosys = pInst->GetIoSystem(); pIosys = pInst->GetIoSystem();
pArgvStk = nullptr;
pForStk = nullptr; pForStk = nullptr;
pError = nullptr; pError = nullptr;
pErrCode = pErrCode =
@@ -1080,31 +1082,25 @@ void SbiRuntime::PopGosub()
void SbiRuntime::PushArgv() void SbiRuntime::PushArgv()
{ {
SbiArgvStack* p = new SbiArgvStack; pArgvStk.emplace_back(refArgv, nArgc);
p->refArgv = refArgv;
p->nArgc = nArgc;
nArgc = 1; nArgc = 1;
refArgv.Clear(); refArgv.Clear();
p->pNext = pArgvStk;
pArgvStk = p;
} }
void SbiRuntime::PopArgv() void SbiRuntime::PopArgv()
{ {
if( pArgvStk ) if( !pArgvStk.empty() )
{ {
SbiArgvStack* p = pArgvStk; refArgv = pArgvStk.back().refArgv;
pArgvStk = p->pNext; nArgc = pArgvStk.back().nArgc;
refArgv = p->refArgv; pArgvStk.pop_back();
nArgc = p->nArgc;
delete p;
} }
} }
void SbiRuntime::ClearArgvStack() void SbiRuntime::ClearArgvStack()
{ {
while( pArgvStk ) while( !pArgvStk.empty() )
{ {
PopArgv(); PopArgv();
} }