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Transfer the storage class flags from struct DeclSpec into struct Declaration.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3866 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2008-08-03 18:00:05 +00:00
parent c76a8657b3
commit 841ea0e686
4 changed files with 35 additions and 36 deletions
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15
src/cc65/compile.c
View File

@ -138,8 +138,6 @@ static void Parse (void)
comma = 0;
while (1) {
unsigned SymFlags;
/* Read the next declaration */
ParseDecl (&Spec, &Decl, DM_NEED_IDENT);
if (Decl.Ident[0] == '\0') {
@ -148,24 +146,23 @@ static void Parse (void)
}
/* Get the symbol flags */
SymFlags = Spec.StorageClass;
if (IsTypeFunc (Decl.Type)) {
SymFlags |= SC_FUNC;
} else if ((SymFlags & SC_TYPEDEF) == 0) {
Decl.StorageClass |= SC_FUNC;
} else if ((Decl.StorageClass & SC_TYPEDEF) == 0) {
if ((Spec.Flags & DS_DEF_TYPE) != 0 && IS_Get (&Standard) >= STD_C99) {
Warning ("Implicit `int' is an obsolete feature");
}
if (NeedStorage) {
/* We will allocate storage, variable is defined */
SymFlags |= SC_STORAGE | SC_DEF;
Decl.StorageClass |= SC_STORAGE | SC_DEF;
}
}
/* Add an entry to the symbol table */
Entry = AddGlobalSym (Decl.Ident, Decl.Type, SymFlags);
Entry = AddGlobalSym (Decl.Ident, Decl.Type, Decl.StorageClass);
/* Reserve storage for the variable if we need to */
if (SymFlags & SC_STORAGE) {
if (Decl.StorageClass & SC_STORAGE) {
/* Get the size of the variable */
unsigned Size = SizeOf (Decl.Type);
@ -252,7 +249,7 @@ static void Parse (void)
NextToken ();
} else {
FuncDesc* D;
FuncDesc* D;
/* Function body. Check for duplicate function definitions */
if (SymIsDef (Entry)) {

7
src/cc65/declare.c
View File

@ -820,14 +820,14 @@ static void ParseAnsiParamList (FuncDesc* F)
F->Flags |= FD_UNNAMED_PARAMS;
/* Clear defined bit on nonames */
Spec.StorageClass &= ~SC_DEF;
Decl.StorageClass &= ~SC_DEF;
}
/* Parse an attribute ### */
ParseAttribute (&Decl, &Attr);
/* Create a symbol table entry */
AddLocalSym (Decl.Ident, ParamTypeCvt (Decl.Type), Spec.StorageClass, 0);
AddLocalSym (Decl.Ident, ParamTypeCvt (Decl.Type), Decl.StorageClass, 0);
/* Count arguments */
++F->ParamCount;
@ -1154,6 +1154,9 @@ void ParseDecl (const DeclSpec* Spec, Declaration* D, unsigned Mode)
NeedTypeSpace (D, TypeLen (Spec->Type) + 1); /* Bounds check */
TypeCpy (D->Type + D->Index, Spec->Type);
/* Use the storage class from the declspec */
D->StorageClass = Spec->StorageClass;
/* Fix any type qualifiers attached to an array type */
FixArrayQualifiers (D->Type);

9
src/cc65/declare.h
View File

@ -6,8 +6,8 @@
/* */
/* */
/* */
/* (C) 1998-2006 Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* (C) 1998-2008 Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
@ -66,8 +66,9 @@ struct DeclSpec {
/* Result of ParseDecl */
typedef struct Declaration Declaration;
struct Declaration {
ident Ident; /* The identifier if any, else empty */
unsigned StorageClass; /* A set of SC_xxx flags */
Type Type[MAXTYPELEN]; /* The type */
ident Ident; /* The identifier if any, else empty */
/* Working variables */
unsigned Index; /* Used to build Type */
@ -104,7 +105,7 @@ void CheckEmptyDecl (const DeclSpec* D);
unsigned ParseInit (Type* T);
/* Parse initialization of variables. Return the number of initialized data
* bytes.
*/
*/

40
src/cc65/locals.c
View File

@ -380,24 +380,20 @@ static unsigned ParseStaticDecl (Declaration* Decl, unsigned* SC)
static void ParseOneDecl (const DeclSpec* Spec)
/* Parse one variable declaration */
{
unsigned SC; /* Storage class for symbol */
unsigned SymData = 0; /* Symbol data (offset, label name, ...) */
Declaration Decl; /* Declaration data structure */
/* Remember the storage class for the new symbol */
SC = Spec->StorageClass;
/* Read the declaration */
ParseDecl (Spec, &Decl, DM_NEED_IDENT);
/* Set the correct storage class for functions */
if (IsTypeFunc (Decl.Type)) {
/* Function prototypes are always external */
if ((SC & SC_EXTERN) == 0) {
if ((Decl.StorageClass & SC_EXTERN) == 0) {
Warning ("Function must be extern");
}
SC |= SC_FUNC | SC_EXTERN;
Decl.StorageClass |= SC_FUNC | SC_EXTERN;
}
@ -409,35 +405,37 @@ static void ParseOneDecl (const DeclSpec* Spec)
}
/* Handle anything that needs storage (no functions, no typdefs) */
if ((SC & SC_FUNC) != SC_FUNC && (SC & SC_TYPEDEF) != SC_TYPEDEF) {
if ((Decl.StorageClass & SC_FUNC) != SC_FUNC &&
(Decl.StorageClass & SC_TYPEDEF) != SC_TYPEDEF) {
/* If we have a register variable, try to allocate a register and
* convert the declaration to "auto" if this is not possible.
*/
int Reg = 0; /* Initialize to avoid gcc complains */
if ((SC & SC_REGISTER) != 0 && (Reg = F_AllocRegVar (CurrentFunc, Decl.Type)) < 0) {
if ((Decl.StorageClass & SC_REGISTER) != 0 &&
(Reg = F_AllocRegVar (CurrentFunc, Decl.Type)) < 0) {
/* No space for this register variable, convert to auto */
SC = (SC & ~SC_REGISTER) | SC_AUTO;
Decl.StorageClass = (Decl.StorageClass & ~SC_REGISTER) | SC_AUTO;
}
/* Check the variable type */
if ((SC & SC_REGISTER) == SC_REGISTER) {
if ((Decl.StorageClass & SC_REGISTER) == SC_REGISTER) {
/* Register variable */
SymData = ParseRegisterDecl (&Decl, &SC, Reg);
} else if ((SC & SC_AUTO) == SC_AUTO) {
SymData = ParseRegisterDecl (&Decl, &Decl.StorageClass, Reg);
} else if ((Decl.StorageClass & SC_AUTO) == SC_AUTO) {
/* Auto variable */
SymData = ParseAutoDecl (&Decl, &SC);
} else if ((SC & SC_EXTERN) == SC_EXTERN) {
SymData = ParseAutoDecl (&Decl, &Decl.StorageClass);
} else if ((Decl.StorageClass & SC_EXTERN) == SC_EXTERN) {
/* External identifier - may not get initialized */
if (CurTok.Tok == TOK_ASSIGN) {
Error ("Cannot initialize externals");
}
SymData = 0;
} else if ((SC & SC_STATIC) == SC_STATIC) {
} else if ((Decl.StorageClass & SC_STATIC) == SC_STATIC) {
/* Static variable */
SymData = ParseStaticDecl (&Decl, &SC);
SymData = ParseStaticDecl (&Decl, &Decl.StorageClass);
} else {
Internal ("Invalid storage class in ParseOneDecl: %04X", SC);
Internal ("Invalid storage class in ParseOneDecl: %04X", Decl.StorageClass);
}
/* If the standard was not set explicitly to C89, print a warning
@ -449,15 +447,15 @@ static void ParseOneDecl (const DeclSpec* Spec)
}
/* If the symbol is not marked as external, it will be defined now */
if ((SC & SC_EXTERN) == 0) {
SC |= SC_DEF;
if ((Decl.StorageClass & SC_EXTERN) == 0) {
Decl.StorageClass |= SC_DEF;
}
/* Add the symbol to the symbol table */
AddLocalSym (Decl.Ident, Decl.Type, SC, SymData);
AddLocalSym (Decl.Ident, Decl.Type, Decl.StorageClass, SymData);
}
void DeclareLocals (void)
/* Declare local variables and types. */