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Made the enum/enumerator types clearer and improved DumpSymEntry() output.

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This commit is contained in:
acqn 2020-07-21 15:16:47 +08:00 committed by Oliver Schmidt
parent 18bd76bb90
commit c66d0881b9
4 changed files with 32 additions and 18 deletions
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2
src/cc65/declare.c
View File

@ -490,7 +490,7 @@ static void ParseEnumDecl (void)
}
/* Add an entry to the symbol table */
AddConstSym (Ident, type_int, SC_ENUM|SC_CONST, EnumVal++);
AddConstSym (Ident, type_int, SC_ENUMERATOR|SC_CONST, EnumVal++);
/* Check for end of definition */
if (CurTok.Tok != TOK_COMMA)

37
src/cc65/symentry.c
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@ -113,26 +113,29 @@ void DumpSymEntry (FILE* F, const SymEntry* E)
{ "SC_TYPEDEF", SC_TYPEDEF },
{ "SC_UNION", SC_UNION },
{ "SC_STRUCT", SC_STRUCT },
{ "SC_ENUM", SC_ENUM },
};
static SCFlagTable Flags[] = {
/* Beware: Order is important! */
static SCFlagTable Types[] = {
{ "SC_BITFIELD", SC_BITFIELD },
{ "SC_STRUCTFIELD", SC_STRUCTFIELD },
{ "SC_AUTO", SC_AUTO },
{ "SC_REGISTER", SC_REGISTER },
{ "SC_STATIC", SC_STATIC },
{ "SC_EXTERN", SC_EXTERN },
{ "SC_ENUM", SC_ENUM },
{ "SC_ENUMERATOR", SC_ENUMERATOR },
{ "SC_CONST", SC_CONST },
{ "SC_LABEL", SC_LABEL },
{ "SC_PARAM", SC_PARAM },
{ "SC_FUNC", SC_FUNC },
};
static SCFlagTable Storages[] = {
{ "SC_AUTO", SC_AUTO },
{ "SC_REGISTER", SC_REGISTER },
{ "SC_STATIC", SC_STATIC },
{ "SC_EXTERN", SC_EXTERN },
{ "SC_STORAGE", SC_STORAGE },
{ "SC_ZEROPAGE", SC_ZEROPAGE },
{ "SC_DECL", SC_DECL },
{ "SC_DEF", SC_DEF },
{ "SC_REF", SC_REF },
{ "SC_ZEROPAGE", SC_ZEROPAGE },
};
unsigned I;
@ -149,18 +152,28 @@ void DumpSymEntry (FILE* F, const SymEntry* E)
/* Print the flags */
SymFlags = E->Flags;
fprintf (F, " Flags:");
/* Enum, struct, union and typedefs */
if ((SymFlags & SC_ESUTYPEMASK) != 0) {
for (I = 0; I < sizeof (ESUTypes) / sizeof (ESUTypes[0]); ++I) {
if ((SymFlags & SC_ESUTYPEMASK) == ESUTypes[I].Val) {
SymFlags &= ~SC_ESUTYPEMASK;
fprintf (F, " %s", ESUTypes[I].Name);
break;
}
}
}
for (I = 0; I < sizeof (Flags) / sizeof (Flags[0]) && SymFlags != 0; ++I) {
if ((SymFlags & Flags[I].Val) == Flags[I].Val) {
SymFlags &= ~Flags[I].Val;
fprintf (F, " %s", Flags[I].Name);
/* Other type flags */
for (I = 0; I < sizeof (Types) / sizeof (Types[0]) && SymFlags != 0; ++I) {
if ((SymFlags & Types[I].Val) == Types[I].Val) {
SymFlags &= ~Types[I].Val;
fprintf (F, " %s", Types[I].Name);
}
}
/* Storage flags */
for (I = 0; I < sizeof (Storages) / sizeof (Storages[0]) && SymFlags != 0; ++I) {
if ((SymFlags & Storages[I].Val) == Storages[I].Val) {
SymFlags &= ~Storages[I].Val;
fprintf (F, " %s", Storages[I].Name);
}
}
if (SymFlags != 0) {

5
src/cc65/symentry.h
View File

@ -72,9 +72,10 @@ struct CodeEntry;
#define SC_NONE 0x0000U /* Nothing */
#define SC_STRUCT 0x0001U /* Struct */
#define SC_UNION 0x0002U /* Union */
#define SC_TYPEDEF 0x0004U /* A typedef */
#define SC_ENUM 0x0003U /* Enum */
#define SC_TYPEDEF 0x0004U /* Typedef */
#define SC_ESUTYPEMASK 0x0007U /* Mask for above types */
#define SC_ENUM 0x0008U /* An enumerator */
#define SC_ENUMERATOR 0x0008U /* An enumerator */
#define SC_BITFIELD 0x0010U /* A bit-field inside a struct or union */
#define SC_TYPEMASK 0x001FU /* Mask for above types */

6
src/cc65/symtab.c
View File

@ -633,7 +633,7 @@ SymEntry* AddConstSym (const char* Name, const Type* T, unsigned Flags, long Val
/* Add an constant symbol to the symbol table and return it */
{
/* Enums must be inserted in the global symbol table */
SymTable* Tab = ((Flags & SC_ENUM) == SC_ENUM)? SymTab0 : SymTab;
SymTable* Tab = ((Flags & SC_ENUMERATOR) == SC_ENUMERATOR) ? SymTab0 : SymTab;
/* Do we have an entry with this name already? */
SymEntry* Entry = FindSymInTable (Tab, Name, HashStr (Name));
@ -867,8 +867,8 @@ SymEntry* AddGlobalSym (const char* Name, const Type* T, unsigned Flags)
/* If the existing symbol is an enumerated constant,
** then avoid a compiler crash. See GitHub issue #728.
*/
if (Entry->Flags & SC_ENUM) {
Fatal ("Can't redeclare enum constant '%s' as global variable", Name);
if (Entry->Flags & SC_ENUMERATOR) {
Fatal ("Can't redeclare enumerator constant '%s' as global variable", Name);
}
/* We have a symbol with this name already */