/* */
/* */
/* */
-/* (C) 2000 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@musoftware.de */
+/* (C) 2000-2009, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
#include <stdio.h>
+/* common */
+#include "coll.h"
+#include "inline.h"
+
+/* cc65 */
#include "datatype.h"
+#include "declattr.h"
/*****************************************************************************/
-/* struct SymEntry */
+/* Forwards */
+/*****************************************************************************/
+
+
+
+struct Segments;
+struct LiteralPool;
+
+
+
+/*****************************************************************************/
+/* struct SymEntry */
/*****************************************************************************/
/* Storage classes and flags */
-#define SC_AUTO 0x0001U
-#define SC_REGISTER 0x0002U /* Register variable, is in static storage */
-#define SC_STATIC 0x0004U
-#define SC_EXTERN 0x0008U
+#define SC_AUTO 0x0001U /* Auto variable */
+#define SC_REGISTER 0x0002U /* Register variable */
+#define SC_STATIC 0x0004U /* Static */
+#define SC_EXTERN 0x0008U /* Extern linkage */
+
+#define SC_ENUM 0x0030U /* An enum */
+#define SC_CONST 0x0020U /* A numeric constant with a type */
+#define SC_LABEL 0x0040U /* A goto label */
+#define SC_PARAM 0x0080U /* A function parameter */
+#define SC_FUNC 0x0100U /* A function */
-#define SC_ENUM 0x0030U /* An enum (numeric constant) */
-#define SC_CONST 0x0020U /* A numeric constant with a type */
-#define SC_LABEL 0x0040U /* A goto label */
-#define SC_PARAM 0x0080U /* This is a function parameter */
-#define SC_FUNC 0x0100U /* Function entry */
+#define SC_DEFTYPE 0x0200U /* Parameter has default type (=int, old style) */
+#define SC_STORAGE 0x0400U /* Symbol with associated storage */
+#define SC_DEFAULT 0x0800U /* Flag: default storage class was used */
-#define SC_STORAGE 0x0400U /* Symbol with associated storage */
-#define SC_DEFAULT 0x0800U /* Flag: default storage class was used */
+#define SC_DEF 0x1000U /* Symbol is defined */
+#define SC_REF 0x2000U /* Symbol is referenced */
-#define SC_DEF 0x1000U /* Symbol is defined */
-#define SC_REF 0x2000U /* Symbol is referenced */
+#define SC_TYPE 0x4000U /* This is a type, struct, typedef, etc. */
+#define SC_STRUCT 0x4001U /* Struct or union */
+#define SC_STRUCTFIELD 0x4002U /* Struct or union field */
+#define SC_BITFIELD 0x4004U /* A bit-field inside a struct or union */
+#define SC_TYPEDEF 0x4008U /* A typedef */
-#define SC_TYPE 0x4000U /* This is a type, struct, typedef, etc. */
-#define SC_STRUCT 0x4001U /* Struct or union */
-#define SC_SFLD 0x4002U /* Struct or union field */
-#define SC_TYPEDEF 0x4003U /* A typedef */
+#define SC_ZEROPAGE 0x8000U /* Symbol marked as zeropage */
-#define SC_ZEROPAGE 0x8000U /* Symbol marked as zeropage */
+#define SC_HAVEATTR 0x10000U /* Symbol has attributes */
SymEntry* NextHash; /* Next entry in hash list */
SymEntry* PrevSym; /* Previous symbol in dl list */
SymEntry* NextSym; /* Next symbol double linked list */
- SymEntry* Link; /* General purpose single linked list */
+ SymEntry* Link; /* General purpose single linked list */
struct SymTable* Owner; /* Symbol table the symbol is in */
unsigned Flags; /* Symbol flags */
- type* Type; /* Symbol type */
+ Type* Type; /* Symbol type */
+ Collection* Attr; /* Attribute list if any */
+ char* AsmName; /* Assembler name if any */
/* Data that differs for the different symbol types */
union {
- /* Offset for locals or struct members */
- int Offs;
+ /* Offset for locals or struct members */
+ int Offs;
- /* Label name for static symbols */
- unsigned Label;
+ /* Label name for static symbols */
+ unsigned Label;
- /* Value for enums */
- int EnumVal;
+ /* Register bank offset and offset of the saved copy on stack for
+ * register variables.
+ */
+ struct {
+ int RegOffs;
+ int SaveOffs;
+ } R;
+
+ /* Value for constants (including enums) */
+ long ConstVal;
/* Data for structs/unions */
struct {
unsigned Size; /* Size of the union/struct */
} S;
+ /* Data for bit fields */
+ struct {
+ unsigned Offs; /* Byte offset into struct */
+ unsigned BitOffs; /* Bit offset into storage unit */
+ unsigned BitWidth; /* Width in bits */
+ } B;
+
/* Data for functions */
- struct FuncDesc* Func; /* Function descriptor */
+ struct {
+ struct FuncDesc* Func; /* Function descriptor */
+ struct Segments* Seg; /* Segments for this function */
+ struct LiteralPool* LitPool; /* Literal pool for this function */
+ } F;
} V;
- char Name[1]; /* Name, dynamically allocated */
+ char Name[1]; /* Name, dynamically allocated */
};
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
void DumpSymEntry (FILE* F, const SymEntry* E);
/* Dump the given symbol table entry to the file in readable form */
-int IsTypeDef (const SymEntry* E);
+#if defined(HAVE_INLINE)
+INLINE int SymIsBitField (const SymEntry* Sym)
+/* Return true if the given entry is a bit-field entry */
+{
+ return ((Sym->Flags & SC_BITFIELD) == SC_BITFIELD);
+}
+#else
+# define SymIsBitField(Sym) (((Sym)->Flags & SC_BITFIELD) == SC_BITFIELD)
+#endif
+
+#if defined(HAVE_INLINE)
+INLINE int SymIsTypeDef (const SymEntry* Sym)
/* Return true if the given entry is a typedef entry */
+{
+ return ((Sym->Flags & SC_TYPEDEF) == SC_TYPEDEF);
+}
+#else
+# define SymIsTypeDef(Sym) (((Sym)->Flags & SC_TYPEDEF) == SC_TYPEDEF)
+#endif
+
+#if defined(HAVE_INLINE)
+INLINE int SymIsDef (const SymEntry* Sym)
+/* Return true if the given entry is defined */
+{
+ return ((Sym->Flags & SC_DEF) == SC_DEF);
+}
+#else
+# define SymIsDef(Sym) (((Sym)->Flags & SC_DEF) == SC_DEF)
+#endif
+
+#if defined(HAVE_INLINE)
+INLINE int SymIsRef (const SymEntry* Sym)
+/* Return true if the given entry is referenced */
+{
+ return ((Sym->Flags & SC_REF) == SC_REF);
+}
+#else
+# define SymIsRef(Sym) (((Sym)->Flags & SC_REF) == SC_REF)
+#endif
+
+#if defined(HAVE_INLINE)
+INLINE int SymIsRegVar (const SymEntry* Sym)
+/* Return true if the given entry is a register variable */
+/* ### HACK! Fix the ugly type flags! */
+{
+ return ((Sym->Flags & (SC_REGISTER|SC_TYPE)) == SC_REGISTER);
+}
+#else
+# define SymIsRegVar(Sym) (((Sym)->Flags & (SC_REGISTER|SC_TYPE)) == SC_REGISTER)
+#endif
-void ChangeSymType (SymEntry* Entry, type* Type);
+int SymIsOutputFunc (const SymEntry* Sym);
+/* Return true if this is a function that must be output */
+
+#if defined(HAVE_INLINE)
+INLINE const char* SymGetAsmName (const SymEntry* Sym)
+/* Return the assembler label name for the symbol (beware: may be NULL!) */
+{
+ return Sym->AsmName;
+}
+#else
+# define SymGetAsmName(Sym) ((Sym)->AsmName)
+#endif
+
+const DeclAttr* SymGetAttr (const SymEntry* Sym, DeclAttrType AttrType);
+/* Return an attribute for this symbol or NULL if the attribute does not exist */
+
+#if defined(HAVE_INLINE)
+INLINE int SymHasAttr (const SymEntry* Sym, DeclAttrType A)
+/* Return true if the symbol has the given attribute */
+{
+ return (SymGetAttr (Sym, A) != 0);
+}
+#else
+# define SymHasAttr(Sym, A) (SymGetAttr (Sym, A) != 0)
+#endif
+
+void SymUseAttr (SymEntry* Sym, struct Declaration* D);
+/* Use the attributes from the declaration for this symbol */
+
+void CvtRegVarToAuto (SymEntry* Sym);
+/* Convert a register variable to an auto variable */
+
+void ChangeSymType (SymEntry* Entry, Type* T);
/* Change the type of the given symbol */
+void ChangeAsmName (SymEntry* Entry, const char* NewAsmName);
+/* Change the assembler name of the symbol */
+
+int HasAnonName (const SymEntry* Entry);
+/* Return true if the symbol entry has an anonymous name */
+
/* End of symentry.h */
projects / cc65 / blobdiff