/* */
/* */
/* */
-/* (C) 1998-2008 Ullrich von Bassewitz */
-/* Roemerstrasse 52 */
-/* D-70794 Filderstadt */
-/* EMail: uz@cc65.org */
+/* (C) 1998-2011, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
#define SF_DBGINFOVAL (SF_DEFINED)
/* Symbol tables */
-SymTable* CurrentScope = 0; /* Pointer to current symbol table */
-SymTable* RootScope = 0; /* Root symbol table */
+SymTable* CurrentScope = 0; /* Pointer to current symbol table */
+SymTable* RootScope = 0; /* Root symbol table */
+static SymTable* LastScope = 0; /* Pointer to last scope in list */
/* Symbol table variables */
-static unsigned ImportCount = 0; /* Counter for import symbols */
-static unsigned ExportCount = 0; /* Counter for export symbols */
+static unsigned ImportCount = 0; /* Counter for import symbols */
+static unsigned ExportCount = 0; /* Counter for export symbols */
S->Table[Slots] = 0;
}
+ /* Insert the symbol table into the list of all symbol tables and maintain
+ * a unqiue id for each scope.
+ */
+ S->Next = LastScope;
+ if (RootScope == 0) {
+ S->Id = 0;
+ RootScope = S;
+ } else {
+ S->Id = LastScope->Id + 1;
+ }
+ LastScope = S;
+
/* Insert the symbol table into the child tree of the parent */
if (Parent) {
SymTable* T = Parent->Childs;
/* Otherwise create a new entry, insert and return it */
SymEntry* N = NewSymEntry (Name, SF_LOCAL);
+ N->Sym.Entry = Parent;
if (S == 0) {
Parent->Locals = N;
} else if (Cmp < 0) {
/* Otherwise create a new entry, insert and return it */
SymEntry* N = NewSymEntry (Name, SF_NONE);
+ N->Sym.Tab = Scope;
if (S == 0) {
Scope->Table[Hash] = N;
} else if (Cmp < 0) {
} else {
S->Right = N;
}
- N->SymTab = Scope;
++Scope->TableEntries;
return N;
if (S->Flags & SF_EXPORT) {
if (Sym->Flags & SF_IMPORT) {
/* The symbol is already marked as import */
- PError (&S->Pos, "Symbol `%s' is already an import",
- GetString (Sym->Name));
+ LIError (&S->LineInfos,
+ "Symbol `%s' is already an import",
+ GetString (Sym->Name));
}
if (Sym->Flags & SF_EXPORT) {
/* The symbol is already marked as an export. */
if (Sym->AddrSize > S->ExportSize) {
/* We're exporting a symbol smaller than it actually is */
- PWarning (&S->Pos, 1, "Symbol `%m%p' is %s but exported %s",
+ LIWarning (&S->LineInfos, 1,
+ "Symbol `%m%p' is %s but exported %s",
GetSymName (Sym),
AddrSizeToStr (Sym->AddrSize),
AddrSizeToStr (S->ExportSize));
}
if (Sym->AddrSize > Sym->ExportSize) {
/* We're exporting a symbol smaller than it actually is */
- PWarning (&S->Pos, 1, "Symbol `%m%p' is %s but exported %s",
- GetSymName (Sym),
- AddrSizeToStr (Sym->AddrSize),
- AddrSizeToStr (Sym->ExportSize));
+ LIWarning (&S->LineInfos, 1,
+ "Symbol `%m%p' is %s but exported %s",
+ GetSymName (Sym),
+ AddrSizeToStr (Sym->AddrSize),
+ AddrSizeToStr (Sym->ExportSize));
}
}
}
/* The symbol is definitely undefined */
if (S->Flags & SF_EXPORT) {
/* We will not auto-import an export */
- PError (&S->Pos, "Exported symbol `%m%p' was never defined",
- GetSymName (S));
+ LIError (&S->LineInfos,
+ "Exported symbol `%m%p' was never defined",
+ GetSymName (S));
} else {
if (AutoImport) {
/* Mark as import, will be indexed later */
S->AddrSize = CodeAddrSize;
} else {
/* Error */
- PError (&S->Pos, "Symbol `%m%p' is undefined", GetSymName (S));
+ LIError (&S->LineInfos,
+ "Symbol `%m%p' is undefined",
+ GetSymName (S));
}
}
}
if ((S->Flags & SF_DEFINED) != 0 && (S->Flags & SF_REFERENCED) == 0) {
const StrBuf* Name = GetStrBuf (S->Name);
if (SB_At (Name, 0) != '.') { /* Ignore internals */
- PWarning (&S->Pos, 2,
- "Symbol `%m%p' is defined but never used",
- GetSymName (S));
+ LIWarning (&S->LineInfos, 2,
+ "Symbol `%m%p' is defined but never used",
+ GetSymName (S));
}
}
if (S->Flags & SF_IMPORT) {
if ((S->Flags & (SF_REFERENCED | SF_FORCED)) == SF_NONE) {
/* Imported symbol is not referenced */
- PWarning (&S->Pos, 2,
- "Symbol `%m%p' is imported but never used",
- GetSymName (S));
+ LIWarning (&S->LineInfos, 2,
+ "Symbol `%m%p' is imported but never used",
+ GetSymName (S));
} else {
- /* Give the import an index, count imports */
- S->Index = ImportCount++;
- S->Flags |= SF_INDEXED;
+ /* Give the import an id, count imports */
+ S->ImportId = ImportCount++;
}
}
- /* Assign an index to all exports */
+ /* Count exports */
if (S->Flags & SF_EXPORT) {
- /* Give the export an index, count exports */
- S->Index = ExportCount++;
- S->Flags |= SF_INDEXED;
+ ++ExportCount;
}
/* If the symbol is defined but has an unknown address size,
S->ExportSize = S->AddrSize;
} else if (S->AddrSize > S->ExportSize) {
/* We're exporting a symbol smaller than it actually is */
- PWarning (&S->Pos, 1,
- "Symbol `%m%p' is %s but exported %s",
- GetSymName (S),
- AddrSizeToStr (S->AddrSize),
- AddrSizeToStr (S->ExportSize));
+ LIWarning (&S->LineInfos, 1,
+ "Symbol `%m%p' is %s but exported %s",
+ GetSymName (S),
+ AddrSizeToStr (S->AddrSize),
+ AddrSizeToStr (S->ExportSize));
}
}
ED_Done (&ED);
ObjWrite8 (S->AddrSize);
ObjWriteVar (S->Name);
- ObjWritePos (&S->Pos);
+ WriteLineInfo (&S->LineInfos);
}
S = S->List;
}
while (S) {
if ((S->Flags & (SF_UNUSED | SF_EXPORT)) == SF_EXPORT) {
+ /* Get the expression bits and the value */
long ConstVal;
-
- /* Get the expression bits */
- unsigned char ExprMask = SymIsConst (S, &ConstVal)? EXP_CONST : EXP_EXPR;
- ExprMask |= (S->Flags & SF_LABEL)? EXP_LABEL : EXP_EQUATE;
+ unsigned ExprMask = GetSymInfoFlags (S, &ConstVal);
/* Count the number of ConDes types */
for (Type = 0; Type < CD_TYPE_COUNT; ++Type) {
- if (S->ConDesPrio[Type] != CD_PRIO_NONE) {
- INC_EXP_CONDES_COUNT (ExprMask);
- }
+ if (S->ConDesPrio[Type] != CD_PRIO_NONE) {
+ SYM_INC_CONDES_COUNT (ExprMask);
+ }
}
/* Write the type and the export size */
- ObjWrite8 (ExprMask);
+ ObjWriteVar (ExprMask);
ObjWrite8 (S->ExportSize);
/* Write any ConDes declarations */
- if (GET_EXP_CONDES_COUNT (ExprMask) > 0) {
- for (Type = 0; Type < CD_TYPE_COUNT; ++Type) {
- unsigned char Prio = S->ConDesPrio[Type];
- if (Prio != CD_PRIO_NONE) {
- ObjWrite8 (CD_BUILD (Type, Prio));
- }
- }
+ if (SYM_GET_CONDES_COUNT (ExprMask) > 0) {
+ for (Type = 0; Type < CD_TYPE_COUNT; ++Type) {
+ unsigned char Prio = S->ConDesPrio[Type];
+ if (Prio != CD_PRIO_NONE) {
+ ObjWrite8 (CD_BUILD (Type, Prio));
+ }
+ }
}
/* Write the name */
ObjWriteVar (S->Name);
/* Write the value */
- if ((ExprMask & EXP_MASK_VAL) == EXP_CONST) {
+ if (SYM_IS_CONST (ExprMask)) {
/* Constant value */
ObjWrite32 (ConstVal);
} else {
WriteExpr (S->Expr);
}
- /* Write the source file position */
- ObjWritePos (&S->Pos);
+ /* Write the line infos */
+ WriteLineInfo (&S->LineInfos);
}
S = S->List;
}
/* Check if debug info is requested */
if (DbgSyms) {
- /* Walk through the list and count the symbols */
+ /* Walk through the list, give each symbol an id and count them */
Count = 0;
S = SymList;
while (S) {
if ((S->Flags & SF_DBGINFOMASK) == SF_DBGINFOVAL) {
- ++Count;
+ S->DebugSymId = Count++;
}
S = S->List;
}
while (S) {
if ((S->Flags & SF_DBGINFOMASK) == SF_DBGINFOVAL) {
+ /* Get the expression bits and the value */
long ConstVal;
-
- /* Get the expression bits */
- unsigned char ExprMask = (SymIsConst (S, &ConstVal))? EXP_CONST : EXP_EXPR;
- ExprMask |= (S->Flags & SF_LABEL)? EXP_LABEL : EXP_EQUATE;
+ unsigned ExprMask = GetSymInfoFlags (S, &ConstVal);
/* Write the type */
- ObjWrite8 (ExprMask);
+ ObjWriteVar (ExprMask);
/* Write the address size */
ObjWrite8 (S->AddrSize);
ObjWriteVar (S->Name);
/* Write the value */
- if ((ExprMask & EXP_MASK_VAL) == EXP_CONST) {
+ if (SYM_IS_CONST (ExprMask)) {
/* Constant value */
ObjWrite32 (ConstVal);
} else {
WriteExpr (S->Expr);
}
- /* Write the source file position */
- ObjWritePos (&S->Pos);
+ /* Write the line infos */
+ WriteLineInfo (&S->LineInfos);
}
S = S->List;
}
/* Tell the object file module that we're about to start the scopes */
ObjStartScopes ();
- /* For now ...*/
+ /* No debug info requested */
ObjWriteVar (0);
/* Done writing the scopes */
-
-