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The Go programming language
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walkexpr1 is the second largest non-machine-generated function in the compiler. weighing in at 1,164 lines. Since we are destroying the git blame history anyway, now is a good time to split each different case into its own function, making future work on this function more manageable. Do the same to walkstmt too for consistency, even though it is a paltry 259 lines. [git-generate] cd src/cmd/compile/internal/walk rf ' mv addstr walkAddString mv walkCall walkCall1 mv walkpartialcall walkCallPart mv walkclosure walkClosure mv walkrange walkRange mv walkselect walkSelect mv walkselectcases walkSelectCases mv walkswitch walkSwitch mv walkExprSwitch walkSwitchExpr mv walkTypeSwitch walkSwitchType mv walkstmt walkStmt mv walkstmtlist walkStmtList mv walkexprlist walkExprList mv walkexprlistsafe walkExprListSafe mv walkexprlistcheap walkExprListCheap mv walkexpr walkExpr mv walkexpr1 walkExpr1 mv walkprint walkPrint mv walkappend walkAppend mv walkcompare walkCompare mv walkcompareInterface walkCompareInterface mv walkcompareString walkCompareString mv appendslice appendSlice mv cheapexpr cheapExpr mv copyany walkCopy mv copyexpr copyExpr mv eqfor eqFor mv extendslice extendSlice mv finishcompare finishCompare mv safeexpr safeExpr mv walkStmt:/^\tcase ir.ORECV:/+2,/^\tcase /-2 walkRecv add walk.go:/^func walkRecv/-0 \ // walkRecv walks an ORECV node. mv walkStmt:/^\tcase ir.ODCL:/+2,/^\tcase /-2 walkDecl add walk.go:/^func walkDecl/-0 \ // walkDecl walks an ODCL node. mv walkStmt:/^\tcase ir.OGO:/+2,/^\tcase /-2 walkGoDefer add walk.go:/^func walkGoDefer/-0 \ // walkGoDefer walks an OGO or ODEFER node. mv walkStmt:/^\tcase ir.OFOR,/+2,/^\tcase /-2 walkFor add walk.go:/^func walkFor/-0 \ // walkFor walks an OFOR or OFORUNTIL node. mv walkStmt:/^\tcase ir.OIF:/+2,/^\tcase /-2 walkIf add walk.go:/^func walkIf/-0 \ // walkIf walks an OIF node. mv walkStmt:/^\tcase ir.ORETURN:/+2,/^\tcase /-2 walkReturn add walk.go:/^func walkReturn/-0 \ // walkReturn walks an ORETURN node. mv walkExpr1:/^\tcase ir.ODOT,/+2,/^\tcase /-2 walkDot add walk.go:/^func walkDot/-0 \ // walkDot walks an ODOT or ODOTPTR node. mv walkExpr1:/^\tcase ir.ODOTTYPE,/+2,/^\tcase /-2 walkDotType add walk.go:/^func walkDotType/-0 \ // walkDotType walks an ODOTTYPE or ODOTTYPE2 node. mv walkExpr1:/^\tcase ir.OLEN,/+2,/^\tcase /-2 walkLenCap add walk.go:/^func walkLenCap/-0 \ // walkLenCap walks an OLEN or OCAP node. mv walkExpr1:/^\tcase ir.OANDAND,/+2,/^\tcase /-2 walkLogical add walk.go:/^func walkLogical/-0 \ // walkLogical walks an OANDAND or OOROR node. mv walkExpr1:/^\tcase ir.OCALLINTER,/+2,/^\tcase /-2 walkCall add walk.go:/^func walkCall/-0 \ // walkCall walks an OCALLFUNC, OCALLINTER, or OCALLMETH node. mv walkExpr1:/^\tcase ir.OAS,/+1,/^\tcase /-2 walkAssign add walk.go:/^func walkAssign/-0 \ // walkAssign walks an OAS (AssignExpr) or OASOP (AssignOpExpr) node. mv walkExpr1:/^\tcase ir.OAS2:/+2,/^\tcase /-3 walkAssignList add walk.go:/^func walkAssignList/-0 \ // walkAssignList walks an OAS2 node. mv walkExpr1:/^\tcase ir.OAS2FUNC:/+2,/^\tcase /-4 walkAssignFunc add walk.go:/^func walkAssignFunc/-0 \ // walkAssignFunc walks an OAS2FUNC node. mv walkExpr1:/^\tcase ir.OAS2RECV:/+2,/^\tcase /-3 walkAssignRecv add walk.go:/^func walkAssignRecv/-0 \ // walkAssignRecv walks an OAS2RECV node. mv walkExpr1:/^\tcase ir.OAS2MAPR:/+2,/^\tcase /-2 walkAssignMapRead add walk.go:/^func walkAssignMapRead/-0 \ // walkAssignMapRead walks an OAS2MAPR node. mv walkExpr1:/^\tcase ir.ODELETE:/+2,/^\tcase /-2 walkDelete add walk.go:/^func walkDelete/-0 \ // walkDelete walks an ODELETE node. mv walkExpr1:/^\tcase ir.OAS2DOTTYPE:/+2,/^\tcase /-2 walkAssignDotType add walk.go:/^func walkAssignDotType/-0 \ // walkAssignDotType walks an OAS2DOTTYPE node. mv walkExpr1:/^\tcase ir.OCONVIFACE:/+2,/^\tcase /-2 walkConvInterface add walk.go:/^func walkConvInterface/-0 \ // walkConvInterface walks an OCONVIFACE node. mv walkExpr1:/^\tcase ir.OCONV,/+2,/^\tcase /-2 walkConv add walk.go:/^func walkConv/-0 \ // walkConv walks an OCONV or OCONVNOP (but not OCONVIFACE) node. mv walkExpr1:/^\tcase ir.ODIV,/+2,/^\tcase /-2 walkDivMod add walk.go:/^func walkDivMod/-0 \ // walkDivMod walks an ODIV or OMOD node. mv walkExpr1:/^\tcase ir.OINDEX:/+2,/^\tcase /-2 walkIndex add walk.go:/^func walkIndex/-0 \ // walkIndex walks an OINDEX node. # move type assertion above comment mv walkExpr1:/^\tcase ir.OINDEXMAP:/+/n := n/-+ walkExpr1:/^\tcase ir.OINDEXMAP:/+0 mv walkExpr1:/^\tcase ir.OINDEXMAP:/+2,/^\tcase /-2 walkIndexMap add walk.go:/^func walkIndexMap/-0 \ // walkIndexMap walks an OINDEXMAP node. mv walkExpr1:/^\tcase ir.OSLICEHEADER:/+2,/^\tcase /-2 walkSliceHeader add walk.go:/^func walkSliceHeader/-0 \ // walkSliceHeader walks an OSLICEHEADER node. mv walkExpr1:/^\tcase ir.OSLICE,/+2,/^\tcase /-2 walkSlice add walk.go:/^func walkSlice/-0 \ // walkSlice walks an OSLICE, OSLICEARR, OSLICESTR, OSLICE3, or OSLICE3ARR node. mv walkExpr1:/^\tcase ir.ONEW:/+2,/^\tcase /-2 walkNew add walk.go:/^func walkNew/-0 \ // walkNew walks an ONEW node. # move type assertion above comment mv walkExpr1:/^\tcase ir.OCLOSE:/+/n := n/-+ walkExpr1:/^\tcase ir.OCLOSE:/+0 mv walkExpr1:/^\tcase ir.OCLOSE:/+2,/^\tcase /-2 walkClose add walk.go:/^func walkClose/-0 \ // walkClose walks an OCLOSE node. # move type assertion above comment mv walkExpr1:/^\tcase ir.OMAKECHAN:/+/n := n/-+ walkExpr1:/^\tcase ir.OMAKECHAN:/+0 mv walkExpr1:/^\tcase ir.OMAKECHAN:/+2,/^\tcase /-2 walkMakeChan add walk.go:/^func walkMakeChan/-0 \ // walkMakeChan walks an OMAKECHAN node. mv walkExpr1:/^\tcase ir.OMAKEMAP:/+2,/^\tcase /-2 walkMakeMap add walk.go:/^func walkMakeMap/-0 \ // walkMakeMap walks an OMAKEMAP node. mv walkExpr1:/^\tcase ir.OMAKESLICE:/+2,/^\tcase /-2 walkMakeSlice add walk.go:/^func walkMakeSlice/-0 \ // walkMakeSlice walks an OMAKESLICE node. mv walkExpr1:/^\tcase ir.OMAKESLICECOPY:/+2,/^\tcase /-2 walkMakeSliceCopy add walk.go:/^func walkMakeSliceCopy/-0 \ // walkMakeSliceCopy walks an OMAKESLICECOPY node. mv walkExpr1:/^\tcase ir.ORUNESTR:/+2,/^\tcase /-2 walkRuneToString add walk.go:/^func walkRuneToString/-0 \ // walkRuneToString walks an ORUNESTR node. mv walkExpr1:/^\tcase ir.OBYTES2STR,/+2,/^\tcase /-2 walkBytesRunesToString add walk.go:/^func walkBytesRunesToString/-0 \ // walkBytesRunesToString walks an OBYTES2STR or ORUNES2STR node. mv walkExpr1:/^\tcase ir.OBYTES2STRTMP:/+2,/^\tcase /-2 walkBytesToStringTemp add walk.go:/^func walkBytesToStringTemp/-0 \ // walkBytesToStringTemp walks an OBYTES2STRTMP node. mv walkExpr1:/^\tcase ir.OSTR2BYTES:/+2,/^\tcase /-2 walkStringToBytes add walk.go:/^func walkStringToBytes/-0 \ // walkStringToBytes walks an OSTR2BYTES node. # move type assertion above comment mv walkExpr1:/^\tcase ir.OSTR2BYTESTMP:/+/n := n/-+ walkExpr1:/^\tcase ir.OSTR2BYTESTMP:/+0 mv walkExpr1:/^\tcase ir.OSTR2BYTESTMP:/+2,/^\tcase /-2 walkStringToBytesTemp add walk.go:/^func walkStringToBytesTemp/-0 \ // walkStringToBytesTemp walks an OSTR2BYTESTMP node. mv walkExpr1:/^\tcase ir.OSTR2RUNES:/+2,/^\tcase /-2 walkStringToRunes add walk.go:/^func walkStringToRunes/-0 \ // walkStringToRunes walks an OSTR2RUNES node. mv walkExpr1:/^\tcase ir.OARRAYLIT,/+1,/^\tcase /-2 walkCompLit add walk.go:/^func walkCompLit/-0 \ // walkCompLit walks a composite literal node: \ // OARRAYLIT, OSLICELIT, OMAPLIT, OSTRUCTLIT (all CompLitExpr), or OPTRLIT (AddrExpr). mv walkExpr1:/^\tcase ir.OSEND:/+2,/^\tcase /-2 walkSend add walk.go:/^func walkSend/-0 \ // walkSend walks an OSEND node. mv walkStmt walkStmtList \ walkDecl \ walkFor \ walkGoDefer \ walkIf \ wrapCall \ stmt.go mv walkExpr walkExpr1 walkExprList walkExprListCheap walkExprListSafe \ cheapExpr safeExpr copyExpr \ walkAddString \ walkCall \ walkCall1 \ walkDivMod \ walkDot \ walkDotType \ walkIndex \ walkIndexMap \ walkLogical \ walkSend \ walkSlice \ walkSliceHeader \ reduceSlice \ bounded \ usemethod \ usefield \ expr.go mv \ walkAssign \ walkAssignDotType \ walkAssignFunc \ walkAssignList \ walkAssignMapRead \ walkAssignRecv \ walkReturn \ fncall \ ascompatee \ ascompatee1 \ ascompatet \ reorder3 \ reorder3save \ aliased \ anyAddrTaken \ refersToName \ refersToCommonName \ appendSlice \ isAppendOfMake \ extendSlice \ assign.go mv \ walkCompare \ walkCompareInterface \ walkCompareString \ finishCompare \ eqFor \ brcom \ brrev \ tracecmpArg \ canMergeLoads \ compare.go mv \ walkConv \ walkConvInterface \ walkBytesRunesToString \ walkBytesToStringTemp \ walkRuneToString \ walkStringToBytes \ walkStringToBytesTemp \ walkStringToRunes \ convFuncName \ rtconvfn \ byteindex \ walkCheckPtrAlignment \ walkCheckPtrArithmetic \ convert.go mv \ walkAppend \ walkClose \ walkCopy \ walkDelete \ walkLenCap \ walkMakeChan \ walkMakeMap \ walkMakeSlice \ walkMakeSliceCopy \ walkNew \ walkPrint \ badtype \ callnew \ writebarrierfn \ isRuneCount \ builtin.go mv \ walkCompLit \ sinit.go \ complit.go mv subr.go walk.go ' Change-Id: Ie0cf3ba4adf363c120c134d57cb7ef37934eaab9 Reviewed-on: https://go-review.googlesource.com/c/go/+/279430 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> |
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