diff options
Diffstat (limited to 'gcc/m2')
-rw-r--r-- | gcc/m2/gm2-compiler/M2Check.mod | 21 | ||||
-rw-r--r-- | gcc/m2/gm2-compiler/M2Quads.mod | 10 | ||||
-rw-r--r-- | gcc/m2/gm2-compiler/M2Range.mod | 43 | ||||
-rw-r--r-- | gcc/m2/gm2-compiler/SymbolTable.def | 16 | ||||
-rw-r--r-- | gcc/m2/gm2-compiler/SymbolTable.mod | 137 | ||||
-rw-r--r-- | gcc/m2/gm2-libs/FormatStrings.mod | 4 |
6 files changed, 209 insertions, 22 deletions
diff --git a/gcc/m2/gm2-compiler/M2Check.mod b/gcc/m2/gm2-compiler/M2Check.mod index 528c51d..d86ef8e 100644 --- a/gcc/m2/gm2-compiler/M2Check.mod +++ b/gcc/m2/gm2-compiler/M2Check.mod @@ -803,7 +803,12 @@ BEGIN THEN typeRight := GetDType (right) ; typeLeft := GetDType (left) ; - RETURN doCheckPair (result, tinfo, typeLeft, typeRight) + IF IsZRCType (typeLeft) AND IsUnbounded (typeRight) + THEN + RETURN false + ELSE + RETURN doCheckPair (result, tinfo, typeLeft, typeRight) + END END ; RETURN result END checkConstMeta ; @@ -868,7 +873,19 @@ END checkSubrangeTypeEquivalence ; (* - isZRC - + IsZRCType - return TRUE if type is a ZType, RType or a CType. +*) + +PROCEDURE IsZRCType (type: CARDINAL) : BOOLEAN ; +BEGIN + RETURN (type = CType) OR (type = ZType) OR (type = RType) +END IsZRCType ; + + +(* + isZRC - return TRUE if zrc is a ZType, RType or a CType + and sym is either a complex type when zrc = CType + or is not a composite type when zrc is a RType or ZType. *) PROCEDURE isZRC (zrc, sym: CARDINAL) : BOOLEAN ; diff --git a/gcc/m2/gm2-compiler/M2Quads.mod b/gcc/m2/gm2-compiler/M2Quads.mod index 9bb8c4d..4022657 100644 --- a/gcc/m2/gm2-compiler/M2Quads.mod +++ b/gcc/m2/gm2-compiler/M2Quads.mod @@ -69,6 +69,7 @@ FROM SymbolTable IMPORT ModeOfAddr, GetMode, PutMode, GetSymName, IsUnknown, GetArraySubscript, GetDimension, GetParam, GetNth, GetNthParamAny, + GetNthParamAnyClosest, GetFirstUsed, GetDeclaredMod, GetQuads, GetReadQuads, GetWriteQuads, GetWriteLimitQuads, GetReadLimitQuads, @@ -5676,7 +5677,8 @@ BEGIN WHILE i<=ParamTotal DO IF i <= NoOfParamAny (Proc) THEN - FormalI := GetParam(Proc, i) ; + (* FormalI := GetParam(Proc, i) ; *) + FormalI := GetNthParamAnyClosest (Proc, i, GetCurrentModule ()) ; IF CompilerDebugging THEN n1 := GetSymName(FormalI) ; @@ -5801,7 +5803,7 @@ BEGIN MetaError3 ('parameter {%3n} in {%1dD} causes a mismatch it was declared as a {%2d}', call, GetNth (call, i), i) END ; BuildRange (InitTypesParameterCheck (tokno, CheckedProcedure, i, - GetParam (CheckedProcedure, i), + GetNthParamAnyClosest (CheckedProcedure, i, GetCurrentModule ()), GetParam (ProcType, i), ParamCheckId)) ; INC(i) END @@ -6150,7 +6152,7 @@ BEGIN MetaErrorStringT2 (tokpos, Msg, ProcedureSym, ParameterNo) ; IF NoOfParamAny (ProcedureSym) >= ParameterNo THEN - FormalParam := GetNthParamAny (ProcedureSym, ParameterNo) ; + FormalParam := GetNthParamAnyClosest (ProcedureSym, ParameterNo, GetCurrentModule ()) ; IF IsUnboundedParamAny (ProcedureSym, ParameterNo) THEN MetaErrorT2 (GetVarDeclFullTok (FormalParam), 'formal parameter {%1ad} has an open array type {%2tad}', @@ -6205,7 +6207,7 @@ BEGIN MetaErrorStringT2 (tokpos, Msg, ProcedureSym, ParameterNo) ; IF NoOfParamAny (ProcedureSym) >= ParameterNo THEN - FormalParam := GetNthParamAny (ProcedureSym, ParameterNo) ; + FormalParam := GetNthParamAnyClosest (ProcedureSym, ParameterNo, GetCurrentModule ()) ; IF IsUnboundedParamAny (ProcedureSym, ParameterNo) THEN MetaErrorT2 (GetVarDeclFullTok (FormalParam), '{%W}formal parameter {%1ad} has an open array type {%2tad}', diff --git a/gcc/m2/gm2-compiler/M2Range.mod b/gcc/m2/gm2-compiler/M2Range.mod index 2a5bfab..8e3943a 100644 --- a/gcc/m2/gm2-compiler/M2Range.mod +++ b/gcc/m2/gm2-compiler/M2Range.mod @@ -154,6 +154,34 @@ TYPE VAR TopOfRange: CARDINAL ; RangeIndex: Index ; + BreakRange: CARDINAL ; + + +PROCEDURE gdbhook ; +END gdbhook ; + + +(* + BreakWhenRangeCreated - to be called interactively by gdb. +*) + +PROCEDURE BreakWhenRangeCreated (r: CARDINAL) ; +BEGIN + BreakRange := r +END BreakWhenRangeCreated ; + + +(* + CheckBreak - if sym = BreakRange then call gdbhook. +*) + +PROCEDURE CheckBreak (r: CARDINAL) ; +BEGIN + IF BreakRange = r + THEN + gdbhook + END +END CheckBreak ; (* @@ -302,6 +330,7 @@ BEGIN THEN InternalError ('out of memory error') ELSE + CheckBreak (r) ; WITH p^ DO type := none ; des := NulSym ; @@ -3746,7 +3775,19 @@ END WriteRangeCheck ; PROCEDURE Init ; BEGIN TopOfRange := 0 ; - RangeIndex := InitIndex(1) + RangeIndex := InitIndex(1) ; + BreakWhenRangeCreated (0) ; (* Disable the intereactive range watch. *) + (* To examine the range when it is created run cc1gm2 from gdb + and set a break point on gdbhook. + (gdb) break gdbhook + (gdb) run + Now below interactively call BreakWhenRangeCreated with the symbol + under investigation. *) + gdbhook ; + (* Now is the time to interactively call gdb, for example: + (gdb) print BreakWhenRangeCreated (1234) + (gdb) cont + and you will arrive at gdbhook when this symbol is created. *) END Init ; diff --git a/gcc/m2/gm2-compiler/SymbolTable.def b/gcc/m2/gm2-compiler/SymbolTable.def index 85a3672..2a9865a 100644 --- a/gcc/m2/gm2-compiler/SymbolTable.def +++ b/gcc/m2/gm2-compiler/SymbolTable.def @@ -3478,4 +3478,20 @@ PROCEDURE UsesOptArgAny (Sym: CARDINAL) : BOOLEAN ; PROCEDURE GetProcedureKindDesc (kind: ProcedureKind) : String ; +(* + GetNthParamAnyClosest - returns the nth parameter from the order + proper procedure, forward declaration + or definition module procedure. + It chooses the parameter which is closest + in source terms to currentmodule. + The same module will return using the order + proper procedure, forward procedure, definition module. + Whereas an imported procedure will choose from + DefProcedure, ProperProcedure, ForwardProcedure. +*) + +PROCEDURE GetNthParamAnyClosest (sym: CARDINAL; ParamNo: CARDINAL; + currentmodule: CARDINAL) : CARDINAL ; + + END SymbolTable. diff --git a/gcc/m2/gm2-compiler/SymbolTable.mod b/gcc/m2/gm2-compiler/SymbolTable.mod index 826d2d3..551bbec 100644 --- a/gcc/m2/gm2-compiler/SymbolTable.mod +++ b/gcc/m2/gm2-compiler/SymbolTable.mod @@ -122,8 +122,6 @@ CONST UnboundedAddressName = "_m2_contents" ; UnboundedHighName = "_m2_high_%d" ; - BreakSym = 203 ; - TYPE ProcAnyBoolean = PROCEDURE (CARDINAL, ProcedureKind) : BOOLEAN ; ProcAnyCardinal = PROCEDURE (CARDINAL, ProcedureKind) : CARDINAL ; @@ -930,6 +928,7 @@ VAR (* passes and reduce duplicate *) (* errors. *) ConstLitArray : Indexing.Index ; + BreakSym : CARDINAL ; (* Allows interactive debugging. *) (* @@ -1032,11 +1031,34 @@ END FinalSymbol ; (* - stop - a debugger convenience hook. + gdbhook - a debugger convenience hook. +*) + +PROCEDURE gdbhook ; +END gdbhook ; + + +(* + BreakWhenSymCreated - to be called interactively by gdb. *) -PROCEDURE stop ; -END stop ; +PROCEDURE BreakWhenSymCreated (sym: CARDINAL) ; +BEGIN + BreakSym := sym +END BreakWhenSymCreated ; + + +(* + CheckBreak - if sym = BreakSym then call gdbhook. +*) + +PROCEDURE CheckBreak (sym: CARDINAL) ; +BEGIN + IF sym = BreakSym + THEN + gdbhook + END +END CheckBreak ; (* @@ -1053,10 +1075,7 @@ BEGIN SymbolType := DummySym END ; PutIndice(Symbols, sym, pSym) ; - IF sym = BreakSym - THEN - stop - END ; + CheckBreak (sym) ; INC(FreeSymbol) END NewSym ; @@ -1660,6 +1679,18 @@ PROCEDURE Init ; VAR pCall: PtrToCallFrame ; BEGIN + BreakWhenSymCreated (NulSym) ; (* Disable the intereactive sym watch. *) + (* To examine the symbol table when a symbol is created run cc1gm2 from gdb + and set a break point on gdbhook. + (gdb) break gdbhook + (gdb) run + Now below interactively call BreakWhenSymCreated with the symbol + under investigation. *) + gdbhook ; + (* Now is the time to interactively call gdb, for example: + (gdb) print BreakWhenSymCreated (1234) + (gdb) cont + and you will arrive at gdbhook when this symbol is created. *) AnonymousName := 0 ; CurrentError := NIL ; InitTree (ConstLitPoolTree) ; @@ -3959,10 +3990,7 @@ VAR BEGIN tok := CheckTok (tok, 'procedure') ; Sym := DeclareSym(tok, ProcedureName) ; - IF Sym = BreakSym - THEN - stop - END ; + CheckBreak (Sym) ; IF NOT IsError(Sym) THEN pSym := GetPsym(Sym) ; @@ -6926,6 +6954,89 @@ END GetNthParamAny ; (* + GetNthParamChoice - returns the parameter definition from + sym:ParamNo:kind or NulSym. +*) + +PROCEDURE GetNthParamChoice (sym: CARDINAL; ParamNo: CARDINAL; + kind: ProcedureKind) : CARDINAL ; +BEGIN + IF GetProcedureParametersDefined (sym, kind) + THEN + RETURN GetNthParam (sym, kind, ParamNo) + ELSE + RETURN NulSym + END +END GetNthParamChoice ; + + +(* + GetNthParamOrdered - returns the parameter definition from list {a, b, c} + in order. + sym:ParamNo:{a,b,c} or NulSym. +*) + +PROCEDURE GetNthParamOrdered (sym: CARDINAL; ParamNo: CARDINAL; + a, b, c: ProcedureKind) : CARDINAL ; +VAR + param: CARDINAL ; +BEGIN + param := GetNthParamChoice (sym, ParamNo, a) ; + IF param = NulSym + THEN + param := GetNthParamChoice (sym, ParamNo, b) ; + IF param = NulSym + THEN + param := GetNthParamChoice (sym, ParamNo, c) + END + END ; + RETURN param +END GetNthParamOrdered ; + + +(* + GetNthParamAnyClosest - returns the nth parameter from the order + proper procedure, forward declaration + or definition module procedure. + It chooses the parameter which is closest + in source terms to currentmodule. + The same module will return using the order + proper procedure, forward procedure, definition module. + Whereas an imported procedure will choose from + DefProcedure, ProperProcedure, ForwardProcedure. +*) + +PROCEDURE GetNthParamAnyClosest (sym: CARDINAL; ParamNo: CARDINAL; + currentmodule: CARDINAL) : CARDINAL ; +BEGIN + IF GetOuterModuleScope (currentmodule) = GetOuterModuleScope (sym) + THEN + (* Same module. *) + RETURN GetNthParamOrdered (sym, ParamNo, + ProperProcedure, ForwardProcedure, DefProcedure) + ELSE + (* Procedure is imported. *) + RETURN GetNthParamOrdered (sym, ParamNo, + DefProcedure, ProperProcedure, ForwardProcedure) + END +END GetNthParamAnyClosest ; + + +(* + GetOuterModuleScope - returns the outer module symbol scope for sym. +*) + +PROCEDURE GetOuterModuleScope (sym: CARDINAL) : CARDINAL ; +BEGIN + WHILE NOT (IsDefImp (sym) OR + (IsModule (sym) AND (GetScope (sym) = NulSym))) DO + sym := GetScope (sym) + END ; + RETURN sym +END GetOuterModuleScope ; + + +(* The Following procedures fill in the symbol table with the symbol entities. *) diff --git a/gcc/m2/gm2-libs/FormatStrings.mod b/gcc/m2/gm2-libs/FormatStrings.mod index ec2985b..aea8da9 100644 --- a/gcc/m2/gm2-libs/FormatStrings.mod +++ b/gcc/m2/gm2-libs/FormatStrings.mod @@ -378,7 +378,7 @@ BEGIN THEN INC (afterperc) ; Cast (u, w) ; - in := ConCat (in, Slice (fmt, startpos, nextperc)) ; + in := Copy (fmt, in, startpos, nextperc) ; in := ConCat (in, CardinalToString (u, width, leader, 16, TRUE)) ; startpos := afterperc ; DSdbExit (NIL) ; @@ -387,7 +387,7 @@ BEGIN THEN INC (afterperc) ; Cast (u, w) ; - in := ConCat (in, Slice (fmt, startpos, nextperc)) ; + in := Copy (fmt, in, startpos, nextperc) ; in := ConCat (in, CardinalToString (u, width, leader, 10, FALSE)) ; startpos := afterperc ; DSdbExit (NIL) ; |