#include "SDCChasht.h"
#include "SDCCglobl.h"
+#define INTNO_MAX 255 /* maximum allowed interrupt number */
+#define INTNO_UNSPEC (INTNO_MAX+1) /* interrupt number unspecified */
+
+#define BITVAR_PAD -1
+
enum {
TYPEOF_INT=1,
TYPEOF_SHORT,
TYPEOF_LONG,
TYPEOF_FLOAT,
TYPEOF_BIT,
+ TYPEOF_BITFIELD,
TYPEOF_SBIT,
TYPEOF_SFR,
TYPEOF_VOID,
#define GPTYPE_FAR 1
#define GPTYPE_CODE 2
#define GPTYPE_XSTACK 3
-#define GPTYPE_GPTR 4 // Never used?
-#define GPTYPE_IDATA 5
#define HASHTAB_SIZE 256
unsigned char level; /* Nesting level */
struct symbol *fields; /* pointer to fields */
unsigned size; /* sizeof the table in bytes */
+ int type; /* STRUCT or UNION */
}
structdef;
V_STRUCT,
V_LABEL,
V_BIT,
+ V_BITFIELD,
V_SBIT,
V_DOUBLE
}
int argreg; /* reg no for regparm */
union
{ /* Values if constant or enum */
- TYPE_WORD v_int; /* 2 bytes: int and char values */
- char *v_char; /* character string */
- TYPE_UWORD v_uint; /* 2 bytes: unsigned int const value */
- TYPE_DWORD v_long; /* 4 bytes: long constant value */
- TYPE_UDWORD v_ulong; /* 4 bytes: unsigned long constant val */
+ TYPE_WORD v_int; /* 2 bytes: int and char values */
+ char *v_char; /* character string */
+ TYPE_UWORD v_uint; /* 2 bytes: unsigned int const value */
+ TYPE_DWORD v_long; /* 4 bytes: long constant value */
+ TYPE_UDWORD v_ulong; /* 4 bytes: unsigned long constant value */
double v_float; /* floating point constant value */
- struct symbol *v_enum; /* ptr 2 enum_list if enum==1 */
+ struct symbol *v_enum; /* ptr to enum_list if enum==1 */
}
const_val;
struct structdef *v_struct; /* structure pointer */
unsigned reent:1; /* function is reentrant */
unsigned naked:1; /* naked function */
+ unsigned shadowregs:1; /* function uses shadow registers (pic16 port) */
+ unsigned wparam:1; /* first byte of arguments is passed via WREG (pic16 port) */
unsigned nonbanked:1; /* function has the nonbanked attribute */
unsigned banked:1; /* function has the banked attribute */
unsigned critical:1; /* critical function */
- unsigned intrtn:1; /* this is an interrupt routin */
+ unsigned intrtn:1; /* this is an interrupt routine */
unsigned rbank:1; /* seperate register bank */
unsigned intno; /* 1=Interrupt svc routine */
- unsigned regbank; /* register bank 2b used */
+ short regbank; /* register bank 2b used */
unsigned builtin; /* is a builtin function */
unsigned javaNative; /* is a JavaNative Function (TININative ONLY) */
unsigned overlay; /* force parameters & locals into overlay segment */
unsigned noSpilLoc:1; /* cannot be assigned a spil location */
unsigned isstrlit; /* is a string literal and it's usage count */
unsigned accuse; /* can be left in the accumulator
- On the Z80 accuse is devided into
+ On the Z80 accuse is divided into
ACCUSE_A and ACCUSE_HL as the idea
is quite similar.
*/
struct regs *regs[4]; /* can have at the most 4 registers */
struct asmop *aop; /* asmoperand for this symbol */
struct iCode *fuse; /* furthest use */
- struct iCode *rematiCode; /* rematerialse with which instruction */
+ struct iCode *rematiCode; /* rematerialise with which instruction */
struct operand *reqv; /* register equivalent of a local variable */
+ struct symbol *prereqv; /* symbol before register equiv. substituion */
+ struct symbol *psbase; /* if pseudo symbol, the symbol it is based on */
union
{
struct symbol *spillLoc; /* register spil location */
unsigned offset; /* offset from top if struct */
int lineDef; /* defined line number */
+ char *fileDef; /* defined filename */
int lastLine; /* for functions the last line */
- struct sym_link *type; /* 1st link to declator chain */
- struct sym_link *etype; /* last link to declarator chn */
+ struct sym_link *type; /* 1st link to declarator chain */
+ struct sym_link *etype; /* last link to declarator chain */
struct symbol *next; /* crosslink to next symbol */
struct symbol *localof; /* local variable of which function */
struct initList *ival; /* ptr to initializer if any */
#define FUNC_ISREENT(x) (x->funcAttrs.reent)
#define IFFUNC_ISREENT(x) (IS_FUNC(x) && FUNC_ISREENT(x))
+#define FUNC_ISSHADOWREGS(x) (x->funcAttrs.shadowregs)
+#define IFFUNC_ISSHADOWREGS(x) (IS_FUNC(x) && FUNC_ISSHADOWREGS(x))
+#define FUNC_ISWPARAM(x) (x->funcAttrs.wparam)
+#define IFFUNC_ISWPARAM(x) (IS_FUNC(x) && FUNC_ISWPARAM(x))
#define FUNC_ISNAKED(x) (x->funcAttrs.naked)
#define IFFUNC_ISNAKED(x) (IS_FUNC(x) && FUNC_ISNAKED(x))
#define FUNC_NONBANKED(x) (x->funcAttrs.nonbanked)
#define SPEC_NOUN(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.noun
#define SPEC_LONG(x) validateLink(x, "SPEC_LONG", #x, SPECIFIER, __FILE__, __LINE__)->select.s._long
+#define SPEC_SHORT(x) validateLink(x, "SPEC_LONG", #x, SPECIFIER, __FILE__, __LINE__)->select.s._short
#define SPEC_USIGN(x) validateLink(x, "SPEC_USIGN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._unsigned
#define SPEC_SCLS(x) validateLink(x, "SPEC_SCLS", #x, SPECIFIER, __FILE__, __LINE__)->select.s.sclass
#define SPEC_ENUM(x) validateLink(x, "SPEC_ENUM", #x, SPECIFIER, __FILE__, __LINE__)->select.s._isenum
x->select.d.ptr_volatile)
#define IS_INTEGRAL(x) (IS_SPEC(x) && (x->select.s.noun == V_INT || \
x->select.s.noun == V_CHAR || \
+ x->select.s.noun == V_BITFIELD || \
x->select.s.noun == V_BIT || \
x->select.s.noun == V_SBIT ))
-#define IS_BITFIELD(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT))
-#define IS_BITVAR(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT || \
+#define IS_BITFIELD(x) (IS_SPEC(x) && (x->select.s.noun == V_BITFIELD))
+#define IS_BITVAR(x) (IS_SPEC(x) && (x->select.s.noun == V_BITFIELD || \
+ x->select.s.noun == V_BIT || \
x->select.s.noun == V_SBIT ))
+#define IS_BIT(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT || \
+ x->select.s.noun == V_SBIT ))
#define IS_FLOAT(x) (IS_SPEC(x) && x->select.s.noun == V_FLOAT)
#define IS_ARITHMETIC(x) (IS_INTEGRAL(x) || IS_FLOAT(x))
#define IS_AGGREGATE(x) (IS_ARRAY(x) || IS_STRUCT(x))
#define IS_CODE(x) (IS_SPEC(x) && SPEC_SCLS(x) == S_CODE)
#define IS_REGPARM(x) (IS_SPEC(x) && SPEC_REGPARM(x))
+/* symbol check macros */
+#define IS_AUTO(x) (x->level && !IS_STATIC(x->etype) && !IS_EXTERN(x->etype))
+
/* forward declaration for the global vars */
extern bucket *SymbolTab[];
extern bucket *StructTab[];
#include "SDCCval.h"
+typedef enum
+{
+ RESULT_TYPE_NONE = 0, /* operands will be promoted to int */
+ RESULT_TYPE_BIT,
+ RESULT_TYPE_CHAR,
+ RESULT_TYPE_INT,
+ RESULT_TYPE_OTHER, /* operands will be promoted to int */
+ RESULT_TYPE_IFX,
+} RESULT_TYPE;
+
/* forward definitions for the symbol table related functions */
void initSymt ();
symbol *newSymbol (char *, int);
value *checkArrayIval (sym_link *, value *);
value *checkIval (sym_link *, value *);
unsigned int getSize (sym_link *);
+unsigned int getAllocSize (sym_link *);
unsigned int bitsForType (sym_link *);
sym_link *newIntLink ();
sym_link *newCharLink ();
sym_link *newLongLink ();
int compareType (sym_link *, sym_link *);
+int compareTypeExact (sym_link *, sym_link *, int);
int checkFunction (symbol *, symbol *);
void cleanUpLevel (bucket **, int);
void cleanUpBlock (bucket **, int);
void addSymChain (symbol *);
sym_link *structElemType (sym_link *, value *);
symbol *getStructElement (structdef *, symbol *);
-sym_link *computeType (sym_link *, sym_link *);
+sym_link *computeType (sym_link *, sym_link *, RESULT_TYPE, int);
void processFuncArgs (symbol *);
int isSymbolEqual (symbol *, symbol *);
-int powof2 (unsigned long);
+int powof2 (TYPE_UDWORD);
void printTypeChain (sym_link *, FILE *);
+void printTypeChainRaw (sym_link *, FILE *);
void initCSupport ();
void initBuiltIns ();
void pointerTypes (sym_link *, sym_link *);
void *findSym (bucket **, void *, const char *);
void *findSymWithLevel (bucket **, struct symbol *);
void *findSymWithBlock (bucket **, struct symbol *, int);
-void changePointer (symbol * sym);
+void changePointer (sym_link * p);
void checkTypeSanity(sym_link *etype, char *name);
sym_link *typeFromStr (char *) ;
+STORAGE_CLASS sclsFromPtr(sym_link *ptr);
+sym_link *newEnumType (symbol *);
+void promoteAnonStructs (int, structdef *);
extern char *nounName(sym_link *); /* noun strings */
projects / fw / sdcc / blobdiff