/*-------------------------------------------------------------------------
- SDCCsymt.h - Header file for Symbols table related structures and MACRO's.
- Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
+ SDCCsymt.h - Header file for Symbols table related structures and MACRO's.
+ Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
- what you give them. Help stamp out software-hoarding!
+ what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#ifndef SDCCSYMT_H
#define SDCCSYMT_H
#define MAX_NEST_LEVEL 256
-#define SDCC_NAME_MAX 64
+#define SDCC_SYMNAME_MAX 64
+#define SDCC_NAME_MAX 3*SDCC_SYMNAME_MAX // big enough for _<func>_<var>_etc
#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_CHAR,
+ TYPEOF_LONG,
+ TYPEOF_FLOAT,
+ TYPEOF_FIXED16X16,
+ TYPEOF_BIT,
+ TYPEOF_BITFIELD,
+ TYPEOF_SBIT,
+ TYPEOF_SFR,
+ TYPEOF_VOID,
+ TYPEOF_STRUCT,
+ TYPEOF_ARRAY,
+ TYPEOF_FUNCTION,
+ TYPEOF_POINTER,
+ TYPEOF_FPOINTER,
+ TYPEOF_CPOINTER,
+ TYPEOF_GPOINTER,
+ TYPEOF_PPOINTER,
+ TYPEOF_IPOINTER,
+ TYPEOF_EEPPOINTER
+};
+
+// values for first byte (or 3 most significant bits) of generic pointer.
+#if 0
+#define GPTYPE_FAR 0x00
+#define GPTYPE_NEAR 0x40
+#define GPTYPE_XSTACK 0x60
+#define GPTYPE_CODE 0x80
+#else
+#define GPTYPE_FAR (port->gp_tags.tag_far)
+#define GPTYPE_NEAR (port->gp_tags.tag_near)
+#define GPTYPE_XSTACK (port->gp_tags.tag_xstack)
+#define GPTYPE_CODE (port->gp_tags.tag_code)
+#endif
#define HASHTAB_SIZE 256
/* hash table bucket */
typedef struct bucket
-{
- void *sym ; /* pointer to the object */
- char name[SDCC_NAME_MAX+1]; /* name of this symbol */
- int level ; /* nest level for this symbol */
- int block ; /* belongs to which block */
- struct bucket *prev ; /* ptr 2 previous bucket */
- struct bucket *next ; /* ptr 2 next bucket */
-} bucket ;
-
-typedef struct structdef {
- char tag[SDCC_NAME_MAX+1]; /* tag part of structure */
- unsigned char level ; /* Nesting level */
- struct symbol *fields ; /* pointer to fields */
- unsigned size ; /* sizeof the table in bytes */
-} structdef ;
+ {
+ void *sym; /* pointer to the object */
+ char name[SDCC_NAME_MAX + 1]; /* name of this symbol */
+ int level; /* nest level for this symbol */
+ int block; /* belongs to which block */
+ struct bucket *prev; /* ptr 2 previous bucket */
+ struct bucket *next; /* ptr 2 next bucket */
+ }
+bucket;
+
+typedef struct structdef
+ {
+ char tag[SDCC_NAME_MAX + 1]; /* tag part of structure */
+ unsigned char level; /* Nesting level */
+ struct symbol *fields; /* pointer to fields */
+ unsigned size; /* sizeof the table in bytes */
+ int type; /* STRUCT or UNION */
+ bool b_flexArrayMember; /* has got an flexible array member,
+ only needed for syntax checks */
+ }
+structdef;
/* noun definitions */
-enum { V_INT = 0,
- V_FLOAT ,
- V_CHAR ,
- V_VOID ,
- V_STRUCT ,
- V_LABEL ,
- V_BIT ,
- V_SBIT };
+typedef enum
+ {
+ V_INT = 1,
+ V_FLOAT,
+ V_FIXED16X16,
+ V_CHAR,
+ V_VOID,
+ V_STRUCT,
+ V_LABEL,
+ V_BIT,
+ V_BITFIELD,
+ V_SBIT,
+ V_DOUBLE
+ }
+NOUN;
/* storage class */
-enum { S_FIXED = 0,
- S_AUTO ,
- S_REGISTER ,
- S_CONSTANT ,
- S_SFR ,
- S_SBIT ,
- S_CODE ,
- S_XDATA ,
- S_DATA ,
- S_IDATA ,
- S_PDATA ,
- S_LITERAL ,
- S_STACK ,
- S_XSTACK ,
- S_BIT };
+typedef enum
+ {
+ S_FIXED = 0,
+ S_AUTO,
+ S_REGISTER,
+ S_SFR,
+ S_SBIT,
+ S_CODE,
+ S_XDATA,
+ S_DATA,
+ S_IDATA,
+ S_PDATA,
+ S_LITERAL,
+ S_STACK,
+ S_XSTACK,
+ S_BIT,
+ S_EEPROM
+ }
+STORAGE_CLASS;
+
+#define TYPE_TARGET_CHAR TYPE_BYTE
+#define TYPE_TARGET_INT TYPE_WORD
+#define TYPE_TARGET_LONG TYPE_DWORD
+#define TYPE_TARGET_UCHAR TYPE_UBYTE
+#define TYPE_TARGET_UINT TYPE_UWORD
+#define TYPE_TARGET_ULONG TYPE_UDWORD
/* specifier is the last in the type-chain */
-typedef struct specifier {
- unsigned noun ; /* CHAR INT STRUCTURE LABEL */
- unsigned sclass ; /* REGISTER,AUTO,FIX,CONSTANT */
- struct memmap *oclass ; /* output storage class */
- unsigned _long : 1 ; /* 1=long */
- unsigned _short: 1 ; /* 1=short int */
- unsigned _unsigned: 1 ; /* 1=unsigned, 0=signed */
- unsigned _static: 1 ; /* 1=static keyword found */
- unsigned _extern: 1 ; /* 1=extern found */
- unsigned _absadr: 1 ; /* absolute address specfied */
- unsigned _reent : 1 ; /* function is reentrant */
- unsigned _intrtn: 1 ; /* this is an interrupt routin*/
- unsigned _rbank : 1 ; /* seperate register bank */
- unsigned _volatile : 1; /* is marked as volatile */
- unsigned _const:1 ; /* is a constant */
- unsigned _critical:1 ; /* critical function */
- unsigned _typedef :1 ; /* is typedefed */
- unsigned _isregparm:1 ; /* is the first parameter */
- unsigned _isenum :1 ; /* is an enumerated type */
- unsigned _IntNo ; /* 1=Interrupt svc routine */
- short _regbank ; /* register bank 2b used */
- unsigned _addr ; /* address of symbol */
- unsigned _stack ; /* stack offset for stacked v */
- unsigned _bitStart ; /* bit start position */
- int _bitLength ; /* bit length */
-
- union { /* Values if constant or enum */
- int v_int ; /* int and char values */
- char *v_char; /* character string */
- unsigned v_uint; /* unsigned int const value */
- long v_long; /* long constant value */
- unsigned long v_ulong; /* unsigned long constant val */
- double v_float; /* floating point constant value */
- struct symbol *v_enum; /* ptr 2 enum_list if enum==1 */
- } const_val ;
- struct structdef *v_struct; /* structure pointer */
-} specifier ;
+typedef struct specifier
+ {
+ NOUN noun; /* CHAR INT STRUCTURE LABEL */
+ STORAGE_CLASS sclass; /* REGISTER,AUTO,FIX,CONSTANT */
+ struct memmap *oclass; /* output storage class */
+ unsigned b_long:1; /* 1=long */
+ unsigned b_short:1; /* 1=short int */
+ unsigned b_unsigned:1; /* 1=unsigned, 0=signed */
+ unsigned b_signed:1; /* just for sanity checks only*/
+ unsigned b_static:1; /* 1=static keyword found */
+ unsigned b_extern:1; /* 1=extern found */
+ unsigned b_absadr:1; /* absolute address specfied */
+ unsigned b_volatile:1; /* is marked as volatile */
+ unsigned b_const:1; /* is a constant */
+ unsigned b_typedef:1; /* is typedefed */
+ unsigned b_isregparm:1; /* is the first parameter */
+ unsigned b_isenum:1; /* is an enumerated type */
+ unsigned _addr; /* address of symbol */
+ unsigned _stack; /* stack offset for stacked v */
+ unsigned _bitStart; /* bit start position */
+ int _bitLength; /* bit length */
+ int argreg; /* reg no for regparm */
+ union
+ { /* Values if constant or enum */
+ TYPE_TARGET_INT v_int; /* 2 bytes: int and char values */
+ TYPE_TARGET_CHAR *v_char; /* character string */
+ TYPE_TARGET_UINT v_uint; /* 2 bytes: unsigned int const value */
+ TYPE_TARGET_LONG v_long; /* 4 bytes: long constant value */
+ TYPE_TARGET_ULONG v_ulong; /* 4 bytes: unsigned long constant value */
+ double v_float; /* floating point constant value */
+ TYPE_TARGET_ULONG v_fixed16x16; /* 4 bytes: fixed floating point constant value */
+ struct symbol *v_enum; /* ptr to enum_list if enum==1 */
+ }
+ const_val;
+ struct structdef *v_struct; /* structure pointer */
+ }
+specifier;
/* types of declarators */
-enum { POINTER = 0, /* pointer to near data */
- FPOINTER , /* pointer to far data */
- CPOINTER , /* pointer to code space */
- GPOINTER , /* _generic pointer */
- PPOINTER , /* paged area pointer */
- IPOINTER , /* pointer to upper 128 bytes */
- UPOINTER , /* unknown pointer used only when parsing */
- ARRAY ,
- FUNCTION };
-
-typedef struct declarator {
- short dcl_type; /* POINTER,ARRAY or FUNCTION */
- short num_elem; /* # of elems if type==array */
- short ptr_const :1; /* pointer is constant */
- short ptr_volatile:1; /* pointer is volatile */
- struct link *tspec; /* pointer type specifier */
-} declarator ;
-
-#define DECLARATOR 0
-#define SPECIFIER 1
-
-typedef struct link {
- unsigned class : 1 ; /* DECLARATOR or SPECIFIER */
- unsigned tdef : 1 ; /* current link created by */
- /* typedef if this flag is set*/
- union {
- specifier s ; /* if CLASS == SPECIFIER */
- declarator d ; /* if CLASS == DECLARATOR */
- } select ;
-
- struct link *next ; /* next element on the chain */
-} link ;
-
-typedef struct symbol {
- char name [SDCC_NAME_MAX+1] ; /* Input Variable Name */
- char rname[SDCC_NAME_MAX+1] ; /* internal name */
-
- short level ; /* declration lev,fld offset */
- short block ; /* sequential block # of defintion */
- int key;
- unsigned fbody :1 ; /* function body defined */
- unsigned implicit :1 ; /* implicit flag */
- unsigned undefined :1 ; /* undefined variable */
- unsigned ret :1 ; /* return statement for a function */
- unsigned hasVargs :1 ; /* has a variable argument list */
- unsigned _isparm :1 ; /* is a parameter */
- unsigned ismyparm :1 ; /* is parameter of the function being generated */
- unsigned isitmp :1 ; /* is an intermediate temp */
- unsigned islbl :1 ; /* is a temporary label */
- unsigned isref :1 ; /* has been referenced */
- unsigned isind :1 ; /* is a induction variable */
- unsigned isinvariant:1 ; /* is a loop invariant */
- unsigned isstrlit :1 ; /* is a string literal */
- unsigned cdef :1 ; /* compiler defined symbol */
- unsigned allocreq :1 ; /* allocation is required for this variable */
- unsigned addrtaken :1 ; /* address of the symbol was taken */
- unsigned isreqv :1 ; /* is the register quivalent of a symbol */
- unsigned hasFcall :1 ; /* for functions does it call other functions */
- unsigned calleeSave :1 ; /* for functions uses callee save paradigm */
+typedef enum
+ {
+ POINTER = 0, /* pointer to near data */
+ FPOINTER, /* pointer to far data */
+ CPOINTER, /* pointer to code space */
+ GPOINTER, /* _generic pointer */
+ PPOINTER, /* paged area pointer */
+ IPOINTER, /* pointer to upper 128 bytes */
+ UPOINTER, /* unknown pointer used only when parsing */
+ EEPPOINTER, /* pointer to eeprom */
+ ARRAY,
+ FUNCTION
+ }
+DECLARATOR_TYPE;
+
+typedef struct declarator
+ {
+ DECLARATOR_TYPE dcl_type; /* POINTER,ARRAY or FUNCTION */
+ unsigned int num_elem; /* # of elems if type==array, */
+ /* always 0 for flexible arrays */
+ unsigned ptr_const:1; /* pointer is constant */
+ unsigned ptr_volatile:1; /* pointer is volatile */
+ struct sym_link *tspec; /* pointer type specifier */
+ }
+declarator;
+
+typedef enum {
+ DECLARATOR=1,
+ SPECIFIER
+} SYM_LINK_CLASS;
+#define DECLSPEC2TXT(select) (select==DECLARATOR?"DECLARATOR":select==SPECIFIER?"SPECIFIER":"UNKNOW")
+
+typedef struct sym_link
+ {
+ SYM_LINK_CLASS class; /* DECLARATOR or SPECIFIER */
+ unsigned tdef:1; /* current link created by */
+ /* typedef if this flag is set */
+ union
+ {
+ specifier s; /* if CLASS == SPECIFIER */
+ declarator d; /* if CLASS == DECLARATOR */
+ } select;
+
+ /* function attributes */
+ struct {
+ struct value *args; /* the defined arguments */
+ unsigned hasVargs:1; /* functions has varargs */
+ unsigned calleeSaves:1; /* functions uses callee save */
+ unsigned hasbody:1; /* function body defined */
+ unsigned hasFcall:1; /* does it call other functions */
+ 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 routine */
+ unsigned rbank:1; /* seperate register bank */
+ unsigned intno; /* 1=Interrupt svc routine */
+ 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 hasStackParms; /* function has parameters on stack */
+ } funcAttrs;
+
+ struct sym_link *next; /* next element on the chain */
+ }
+sym_link;
+
+typedef struct symbol
+ {
+ char name[SDCC_SYMNAME_MAX + 1]; /* Input Variable Name */
+ char rname[SDCC_NAME_MAX + 1]; /* internal name */
+
+ short level; /* declaration lev,fld offset */
+ short block; /* sequential block # of definition */
+ int key;
+ unsigned flexArrayLength; /* if the symbol specifies a struct
+ with a "flexible array member", then the additional length in bytes for
+ the "fam" is stored here. Because the lenght can be different from symbol
+ to symbol AND v_struct isn't copied in copyLinkChain(), it's located here
+ in the symbol and not in v_struct or the declarator */
+ unsigned implicit:1; /* implicit flag */
+ unsigned undefined:1; /* undefined variable */
+ unsigned infertype:1; /* type should be inferred from first assign */
+ unsigned _isparm:1; /* is a parameter */
+ unsigned ismyparm:1; /* is parameter of the function being generated */
+ unsigned isitmp:1; /* is an intermediate temp */
+ unsigned islbl:1; /* is a temporary label */
+ unsigned isref:1; /* has been referenced */
+ unsigned isind:1; /* is a induction variable */
+ unsigned isinvariant:1; /* is a loop invariant */
+ unsigned cdef:1; /* compiler defined symbol */
+ unsigned addrtaken:1; /* address of the symbol was taken */
+ unsigned isreqv:1; /* is the register quivalent of a symbol */
+ unsigned udChked:1; /* use def checking has been already done */
/* following flags are used by the backend
for code generation and can be changed
if a better scheme for backend is thought of */
+ unsigned isLiveFcall:1; /* is live at or across a function call */
+ unsigned isspilt:1; /* has to be spilt */
+ unsigned spillA:1; /* spilt be register allocator */
+ unsigned remat:1; /* can be remateriazed */
+ unsigned isptr:1; /* is a pointer */
+ unsigned uptr:1; /* used as a pointer */
+ unsigned isFree:1; /* used by register allocator */
+ unsigned islocal:1; /* is a local variable */
+ unsigned blockSpil:1; /* spilt at block level */
+ unsigned remainSpil:1; /* spilt because not used in remainder */
+ unsigned stackSpil:1; /* has been spilt on temp stack location */
+ unsigned onStack:1; /* this symbol allocated on the stack */
+ unsigned iaccess:1; /* indirect access */
+ unsigned ruonly:1; /* used in return statement only */
+ unsigned spildir:1; /* spilt in direct space */
+ unsigned ptrreg:1; /* this symbol assigned to a ptr reg */
+ 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 divided into
+ ACCUSE_A and ACCUSE_HL as the idea
+ is quite similar.
+ */
+ unsigned dptr; /* 8051 variants with multiple DPTRS
+ currently implemented in DS390 only
+ */
+ int allocreq ; /* allocation is required for this variable */
+ int stack; /* offset on stack */
+ int xstack; /* offset on xternal stack */
+ short nRegs; /* number of registers required */
+ short regType; /* type of register required */
+
+ 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; /* 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 */
+ struct set *itmpStack; /* symbols spilt @ this stack location */
+ }
+ usl;
+ short bitVar; /* this is a bit variable */
+ unsigned offset; /* offset from top if struct */
- unsigned isspilt :1 ; /* has to be spilt */
- unsigned remat :1 ; /* can be remateriazed */
- unsigned isptr :1 ; /* is a pointer */
- unsigned uptr :1 ; /* used as a pointer */
- unsigned isFree :1 ; /* used by register allocator */
- unsigned islocal :1 ; /* is a local variable */
- unsigned blockSpil :1 ; /* spilt at block level */
- unsigned remainSpil :1 ; /* spilt because not used in remainder */
- unsigned stackSpil :1 ; /* has been spilt on temp stack location */
- unsigned onStack :1 ; /* this symbol allocated on the stack */
- unsigned iaccess :1 ; /* indirect access */
- unsigned ruonly :1 ; /* used in return statement only */
- unsigned accuse :1 ; /* can be left in the accumulator */
- unsigned spildir :1 ; /* spilt in direct space */
- unsigned ptrreg :1 ; /* this symbol assigned to a ptr reg */
-
- int stack ; /* offset on stack */
- int xstack ; /* offset on xternal stack */
- short nRegs ; /* number of registers required */
- short regType ; /* type of register required */
-
- 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 operand *reqv ; /* register equivalent of a local variable */
- union {
- struct symbol *spillLoc; /* register spil location */
- struct set *itmpStack; /* symbols spilt @ this stack location */
- } usl;
- short bitVar ; /* this is a bit variable */
- unsigned offset ; /* offset from top if struct */
-
- int lineDef ; /* defined line number */
- int lastLine ; /* for functions the last line*/
- struct link *type ; /* 1st link to declator chain */
- struct link *etype ; /* last link to declarator chn*/
- struct value *args ; /* arguments if function */
- struct symbol *next ; /* crosslink to next symbol */
- struct symbol *localof ; /* local variable of which function */
- struct initList *ival ; /* ptr to initializer if any */
- struct bitVect *defs ; /* bit vector for definitions */
- struct bitVect *uses ; /* bit vector for uses */
- struct bitVect *regsUsed ; /* for functions registers used */
- int liveFrom ; /* live from iCode sequence number */
- int liveTo ; /* live to sequence number */
- int used ; /* no. of times this was used */
- int recvSize ; /* size of first argument */
- int argStack ; /* stacks used by parameters */
-
-} symbol ;
+ int lineDef; /* defined line number */
+ char *fileDef; /* defined filename */
+ int lastLine; /* for functions the last line */
+ 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 */
+ struct bitVect *defs; /* bit vector for definitions */
+ struct bitVect *uses; /* bit vector for uses */
+ struct bitVect *regsUsed; /* for functions registers used */
+ int liveFrom; /* live from iCode sequence number */
+ int liveTo; /* live to sequence number */
+ int used; /* no. of times this was used */
+ int recvSize; /* size of first argument */
+ struct bitVect *clashes; /* overlaps with what other symbols */
+ }
+symbol;
+extern sym_link *validateLink(sym_link *l,
+ const char *macro,
+ const char *args,
+ const char select,
+ const char *file,
+ unsigned line);
/* Easy Access Macros */
-#define DCL_TYPE(l) l->select.d.dcl_type
-#define DCL_ELEM(l) l->select.d.num_elem
-#define DCL_PTR_CONST(l) l->select.d.ptr_const
-#define DCL_PTR_VOLATILE(l) l->select.d.ptr_volatile
-#define DCL_TSPEC(l) l->select.d.tspec
-#define SPEC_NOUN(x) x->select.s.noun
-#define SPEC_LONG(x) x->select.s._long
-#define SPEC_SHORT(x) x->select.s._short
-#define SPEC_USIGN(x) x->select.s._unsigned
-#define SPEC_SCLS(x) x->select.s.sclass
-#define SPEC_ENUM(x) x->select.s._isenum
-#define SPEC_OCLS(x) x->select.s.oclass
-#define SPEC_STAT(x) x->select.s._static
-#define SPEC_EXTR(x) x->select.s._extern
-#define SPEC_CODE(x) x->select.s._codesg
-#define SPEC_RENT(x) x->select.s._reent
-#define SPEC_INTN(x) x->select.s._IntNo
-#define SPEC_ABSA(x) x->select.s._absadr
-#define SPEC_BANK(x) x->select.s._regbank
-#define SPEC_ADDR(x) x->select.s._addr
-#define SPEC_STAK(x) x->select.s._stack
-#define SPEC_CVAL(x) x->select.s.const_val
-#define SPEC_BSTR(x) x->select.s._bitStart
-#define SPEC_BLEN(x) x->select.s._bitLength
-#define SPEC_BNKF(x) x->select.s._rbank
-#define SPEC_INTRTN(x) x->select.s._intrtn
-#define SPEC_CRTCL(x) x->select.s._critical
-#define SPEC_VOLATILE(x) x->select.s._volatile
-#define SPEC_CONST(x) x->select.s._const
-#define SPEC_STRUCT(x) x->select.s.v_struct
-#define SPEC_TYPEDEF(x) x->select.s._typedef
-#define SPEC_REGPARM(x) x->select.s._isregparm
+#define DCL_TYPE(l) validateLink(l, "DCL_TYPE", #l, DECLARATOR, __FILE__, __LINE__)->select.d.dcl_type
+#define DCL_ELEM(l) validateLink(l, "DCL_ELEM", #l, DECLARATOR, __FILE__, __LINE__)->select.d.num_elem
+#define DCL_PTR_CONST(l) validateLink(l, "DCL_PTR_CONST", #l, DECLARATOR, __FILE__, __LINE__)->select.d.ptr_const
+#define DCL_PTR_VOLATILE(l) validateLink(l, "DCL_PTR_VOLATILE", #l, DECLARATOR, __FILE__, __LINE__)->select.d.ptr_volatile
+#define DCL_TSPEC(l) validateLink(l, "DCL_TSPEC", #l, DECLARATOR, __FILE__, __LINE__)->select.d.tspec
+
+#define FUNC_DEBUG //assert(IS_FUNC(x));
+#define FUNC_HASVARARGS(x) (x->funcAttrs.hasVargs)
+#define IFFUNC_HASVARARGS(x) (IS_FUNC(x) && FUNC_HASVARARGS(x))
+#define FUNC_ARGS(x) (x->funcAttrs.args)
+#define IFFUNC_ARGS(x) (IS_FUNC(x) && FUNC_ARGS(x))
+#define FUNC_HASFCALL(x) (x->funcAttrs.hasFcall)
+#define IFFUNC_HASFCALL(x) (IS_FUNC(x) && FUNC_HASFCALL(x))
+#define FUNC_HASBODY(x) (x->funcAttrs.hasbody)
+#define IFFUNC_HASBODY(x) (IS_FUNC(x) && FUNC_HASBODY(x))
+#define FUNC_CALLEESAVES(x) (x->funcAttrs.calleeSaves)
+#define IFFUNC_CALLEESAVES(x) (IS_FUNC(x) && FUNC_CALLEESAVES(x))
+#define FUNC_ISISR(x) (x->funcAttrs.intrtn)
+#define IFFUNC_ISISR(x) (IS_FUNC(x) && FUNC_ISISR(x))
+#define IFFUNC_RBANK(x) (IS_FUNC(x) && FUNC_RBANK(x))
+#define FUNC_INTNO(x) (x->funcAttrs.intno)
+#define FUNC_REGBANK(x) (x->funcAttrs.regbank)
+#define FUNC_HASSTACKPARM(x) (x->funcAttrs.hasStackParms)
+
+#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 IFFUNC_NONBANKED(x) (IS_FUNC(x) && FUNC_NONBANKED(x))
+#define FUNC_BANKED(x) (x->funcAttrs.banked)
+#define IFFUNC_BANKED(x) (IS_FUNC(x) && FUNC_BANKED(x))
+#define FUNC_ISCRITICAL(x) (x->funcAttrs.critical)
+#define IFFUNC_ISCRITICAL(x) (IS_FUNC(x) && FUNC_ISCRITICAL(x))
+#define FUNC_ISBUILTIN(x) (x->funcAttrs.builtin)
+#define IFFUNC_ISBUILTIN(x) (IS_FUNC(x) && FUNC_ISBUILTIN(x))
+#define FUNC_ISJAVANATIVE(x) (x->funcAttrs.javaNative)
+#define IFFUNC_ISJAVANATIVE(x) (IS_FUNC(x) && FUNC_ISJAVANATIVE(x))
+#define FUNC_ISOVERLAY(x) (x->funcAttrs.overlay)
+#define IFFUNC_ISOVERLAY(x) (IS_FUNC(x) && FUNC_ISOVERLAY(x))
+
+#define IFFUNC_ISBANKEDCALL(x) (!IFFUNC_NONBANKED(x) && \
+ (options.model == MODEL_HUGE || \
+ ((options.model == MODEL_LARGE || options.model == MODEL_MEDIUM) && \
+ (TARGET_IS_Z80 || TARGET_IS_GBZ80)) || \
+ IFFUNC_BANKED(x)))
+
+#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.b_long
+#define SPEC_SHORT(x) validateLink(x, "SPEC_LONG", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_short
+#define SPEC_USIGN(x) validateLink(x, "SPEC_USIGN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_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.b_isenum
+#define SPEC_OCLS(x) validateLink(x, "SPEC_OCLS", #x, SPECIFIER, __FILE__, __LINE__)->select.s.oclass
+#define SPEC_STAT(x) validateLink(x, "SPEC_STAT", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_static
+#define SPEC_EXTR(x) validateLink(x, "SPEC_EXTR", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_extern
+#define SPEC_CODE(x) validateLink(x, "SPEC_CODE", #x, SPECIFIER, __FILE__, __LINE__)->select.s._codesg
+#define SPEC_ABSA(x) validateLink(x, "SPEC_ABSA", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_absadr
+#define SPEC_BANK(x) validateLink(x, "SPEC_BANK", #x, SPECIFIER, __FILE__, __LINE__)->select.s._regbank
+#define SPEC_ADDR(x) validateLink(x, "SPEC_ADDR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._addr
+#define SPEC_STAK(x) validateLink(x, "SPEC_STAK", #x, SPECIFIER, __FILE__, __LINE__)->select.s._stack
+#define SPEC_CVAL(x) validateLink(x, "SPEC_CVAL", #x, SPECIFIER, __FILE__, __LINE__)->select.s.const_val
+#define SPEC_BSTR(x) validateLink(x, "SPEC_BSTR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitStart
+#define SPEC_BLEN(x) validateLink(x, "SPEC_BLEN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitLength
+
+/* Sleaze: SPEC_ISR_SAVED_BANKS is only used on
+ * function type symbols, which obviously cannot
+ * be of BIT type. Therefore, we recycle the
+ * _bitStart field instead of defining a new field.
+ */
+#define SPEC_ISR_SAVED_BANKS(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitStart
+#define SPEC_VOLATILE(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_volatile
+#define SPEC_CONST(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_const
+#define SPEC_STRUCT(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.v_struct
+#define SPEC_TYPEDEF(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_typedef
+#define SPEC_REGPARM(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.b_isregparm
+#define SPEC_ARGREG(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.argreg
/* type check macros */
-#define IS_DECL(x) ( x && x->class == DECLARATOR )
+#define IS_DECL(x) ( x && x->class == DECLARATOR )
#define IS_SPEC(x) ( x && x->class == SPECIFIER )
#define IS_ARRAY(x) (IS_DECL(x) && DCL_TYPE(x) == ARRAY)
#define IS_DATA_PTR(x) (IS_DECL(x) && DCL_TYPE(x) == POINTER)
#define IS_PTR(x) (IS_DECL(x) && (DCL_TYPE(x) == POINTER || \
DCL_TYPE(x) == FPOINTER || \
- DCL_TYPE(x) == GPOINTER || \
- DCL_TYPE(x) == IPOINTER || \
- DCL_TYPE(x) == PPOINTER || \
+ DCL_TYPE(x) == GPOINTER || \
+ DCL_TYPE(x) == IPOINTER || \
+ DCL_TYPE(x) == PPOINTER || \
+ DCL_TYPE(x) == EEPPOINTER || \
DCL_TYPE(x) == CPOINTER || \
DCL_TYPE(x) == UPOINTER ))
#define IS_PTR_CONST(x) (IS_PTR(x) && DCL_PTR_CONST(x))
#define IS_FARPTR(x) (IS_DECL(x) && DCL_TYPE(x) == FPOINTER)
+#define IS_CODEPTR(x) (IS_DECL(x) && DCL_TYPE(x) == CPOINTER)
#define IS_GENPTR(x) (IS_DECL(x) && DCL_TYPE(x) == GPOINTER)
+#define IS_FUNCPTR(x) (IS_DECL(x) && (DCL_TYPE(x) == CPOINTER || DCL_TYPE(x) == GPOINTER) && IS_FUNC(x->next))
#define IS_FUNC(x) (IS_DECL(x) && DCL_TYPE(x) == FUNCTION)
-#define IS_LONG(x) (IS_SPEC(x) && x->select.s._long)
-#define IS_SHORT(x) (IS_SPEC(x) && x->select.s._short)
-#define IS_TYPEDEF(x)(IS_SPEC(x) && x->select.s._typedef)
-#define IS_CONSTANT(x) (IS_SPEC(x) && (x->select.s.sclass == S_CONSTANT ||\
- x->select.s._const == 1))
+#define IS_LONG(x) (IS_SPEC(x) && x->select.s.b_long)
+#define IS_UNSIGNED(x) (IS_SPEC(x) && x->select.s.b_unsigned)
+#define IS_TYPEDEF(x)(IS_SPEC(x) && x->select.s.b_typedef)
+#define IS_CONSTANT(x) (!x ? 0 : \
+ IS_SPEC(x) ? \
+ x->select.s.b_const : \
+ x->select.d.ptr_const)
#define IS_STRUCT(x) (IS_SPEC(x) && x->select.s.noun == V_STRUCT)
-#define IS_ABSOLUTE(x) (IS_SPEC(x) && x->select.s._absadr )
+#define IS_ABSOLUTE(x) (IS_SPEC(x) && x->select.s.b_absadr )
#define IS_REGISTER(x) (IS_SPEC(x) && SPEC_SCLS(x) == S_REGISTER)
#define IS_RENT(x) (IS_SPEC(x) && x->select.s._reent )
#define IS_STATIC(x) (IS_SPEC(x) && SPEC_STAT(x))
#define IS_INT(x) (IS_SPEC(x) && x->select.s.noun == V_INT)
#define IS_VOID(x) (IS_SPEC(x) && x->select.s.noun == V_VOID)
#define IS_CHAR(x) (IS_SPEC(x) && x->select.s.noun == V_CHAR)
-#define IS_EXTERN(x) (IS_SPEC(x) && x->select.s._extern)
-#define IS_VOLATILE(x) (IS_SPEC(x) && x->select.s._volatile )
+#define IS_EXTERN(x) (IS_SPEC(x) && x->select.s.b_extern)
+#define IS_VOLATILE(x) (!x ? 0 : \
+ IS_SPEC(x) ? \
+ x->select.s.b_volatile : \
+ 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_FIXED16X16(x) (IS_SPEC(x) && x->select.s.noun == V_FIXED16X16)
+#define IS_FIXED(x) (IS_FIXED16X16(x))
+#define IS_ARITHMETIC(x) (IS_INTEGRAL(x) || IS_FLOAT(x) || IS_FIXED(x))
#define IS_AGGREGATE(x) (IS_ARRAY(x) || IS_STRUCT(x))
#define IS_LITERAL(x) (IS_SPEC(x) && x->select.s.sclass == S_LITERAL)
-#define IS_ISR(x) (IS_SPEC(x) && SPEC_INTRTN(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[] ;
+extern bucket *SymbolTab[];
+extern bucket *StructTab[];
extern bucket *TypedefTab[];
-extern bucket *LabelTab[] ;
+extern bucket *LabelTab[];
extern bucket *enumTab[];
-extern symbol *__fsadd ;
-extern symbol *__fssub ;
-extern symbol *__fsmul ;
-extern symbol *__fsdiv ;
-extern symbol *__fseq ;
-extern symbol *__fsneq ;
-extern symbol *__fslt ;
+extern symbol *__fsadd;
+extern symbol *__fssub;
+extern symbol *__fsmul;
+extern symbol *__fsdiv;
+extern symbol *__fseq;
+extern symbol *__fsneq;
+extern symbol *__fslt;
extern symbol *__fslteq;
-extern symbol *__fsgt ;
+extern symbol *__fsgt;
extern symbol *__fsgteq;
-extern symbol *__fs2uchar;
-extern symbol *__fs2uint ;
-extern symbol *__fs2ulong;
-extern symbol *__fs2char;
-extern symbol *__fs2int ;
-extern symbol *__fs2long;
-extern symbol *__long2fs;
-extern symbol *__ulong2fs;
-extern symbol *__int2fs;
-extern symbol *__uint2fs;
-extern symbol *__char2fs;
-extern symbol *__uchar2fs;
-extern symbol *__muluint;
-extern symbol *__mulsint;
-extern symbol *__divuint;
-extern symbol *__divsint;
-extern symbol *__mululong;
-extern symbol *__mulslong;
-extern symbol *__divulong;
-extern symbol *__divslong;
-extern symbol *__moduint;
-extern symbol *__modsint;
-extern symbol *__modulong;
-extern symbol *__modslong;
-
-extern link *charType ;
-extern link *intType ;
-extern link *floatType;
-extern link *longType ;
-extern link *ucharType ;
-extern link *uintType ;
-extern link *ulongType ;
+
+extern symbol *__fps16x16_add;
+extern symbol *__fps16x16_sub;
+extern symbol *__fps16x16_mul;
+extern symbol *__fps16x16_div;
+extern symbol *__fps16x16_eq;
+extern symbol *__fps16x16_neq;
+extern symbol *__fps16x16_lt;
+extern symbol *__fps16x16_lteq;
+extern symbol *__fps16x16_gt;
+extern symbol *__fps16x16_gteq;
+
+/* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
+extern symbol *__muldiv[3][3][2];
+/* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
+extern sym_link *__multypes[3][2];
+/* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
+extern symbol *__conv[2][3][2];
+/* Dims: to/from fixed16x16, BYTE/WORD/DWORD/FLOAT, SIGNED/USIGNED */
+extern symbol *__fp16x16conv[2][4][2];
+/* Dims: shift left/shift right, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
+extern symbol *__rlrr[2][3][2];
+
+#define CHARTYPE __multypes[0][0]
+#define UCHARTYPE __multypes[0][1]
+#define INTTYPE __multypes[1][0]
+#define UINTTYPE __multypes[1][1]
+#define LONGTYPE __multypes[2][0]
+#define ULONGTYPE __multypes[2][1]
+
+extern sym_link *floatType;
+extern sym_link *fixed16x16Type;
#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 );
-link *newLink ( );
-structdef *newStruct ( char * );
-void addDecl ( symbol *, int , link * );
-link *mergeSpec ( link *, link * );
-link *cloneSpec ( link * );
-symbol *reverseSyms ( symbol * );
-link *reverseLink ( link * );
-symbol *copySymbol ( symbol * );
-symbol *copySymbolChain ( symbol * );
-void printSymChain ( symbol *, int );
-void printStruct ( structdef *, int );
-char *genSymName ( int );
-link *getSpec ( link * );
-char *genSymName ( int );
-int compStructSize ( int ,structdef * );
-link *copyLinkChain ( link * );
-int checkDecl ( symbol * );
-void checkBasic ( link *, link * );
-value *checkPointerIval ( link *, value * );
-value *checkStructIval ( symbol *, value * );
-value *checkArrayIval ( link *, value * );
-value *checkIval ( link *, value * );
-unsigned int getSize ( link * );
-unsigned int bitsForType ( link * );
-link *newIntLink ( );
-link *newCharLink ( );
-link *newLongLink ( );
-int checkType ( link *, link * );
-int checkFunction ( symbol * );
-void cleanUpLevel ( bucket **,int );
-void cleanUpBlock ( bucket **,int );
-int funcInChain ( link * );
-void addSymChain ( symbol * );
-link *structElemType ( link *, value * , value ** );
-symbol *getStructElement ( structdef *, symbol *) ;
-link *computeType ( link *, link *);
-void processFuncArgs (symbol *,int);
-int isSymbolEqual (symbol *, symbol *);
-int powof2 (unsigned long );
-void printTypeChain (link *,FILE *);
-void initCSupport ();
-void pointerTypes (link *, link * );
-void cdbTypeInfo (link *,FILE *);
-void cdbSymbol (symbol *,FILE *,int,int);
-void cdbStructBlock (int ,FILE *);
-void initHashT ( );
-bucket *newBucket ( );
-void addSym ( bucket ** , void *, char *, int, int);
-void deleteSym ( bucket ** , void *, char *);
-void *findSym ( bucket ** , void *, char *);
-void *findSymWithLevel ( bucket ** , struct symbol * );
-void *findSymWithBlock ( bucket ** , struct symbol *,int );
-#include "SDCCmem.h"
+void initSymt ();
+symbol *newSymbol (char *, int);
+sym_link *newLink (SYM_LINK_CLASS);
+sym_link *newFloatLink ();
+structdef *newStruct (char *);
+void addDecl (symbol *, int, sym_link *);
+sym_link *mergeSpec (sym_link *, sym_link *, char *name);
+symbol *reverseSyms (symbol *);
+sym_link *reverseLink (sym_link *);
+symbol *copySymbol (symbol *);
+symbol *copySymbolChain (symbol *);
+void printSymChain (symbol *, int);
+void printStruct (structdef *, int);
+char *genSymName (int);
+sym_link *getSpec (sym_link *);
+int compStructSize (int, structdef *);
+sym_link *copyLinkChain (sym_link *);
+int checkDecl (symbol *, int);
+void checkBasic (sym_link *, sym_link *);
+value *checkPointerIval (sym_link *, value *);
+value *checkStructIval (symbol *, value *);
+value *checkArrayIval (sym_link *, value *);
+value *checkIval (sym_link *, value *);
+unsigned int getSize (sym_link *);
+unsigned int bitsForType (sym_link *);
+sym_link *newIntLink ();
+sym_link *newCharLink ();
+sym_link *newLongLink ();
+sym_link *newBoolLink ();
+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);
+int funcInChain (sym_link *);
+void addSymChain (symbol **);
+sym_link *structElemType (sym_link *, value *);
+symbol *getStructElement (structdef *, symbol *);
+sym_link *computeType (sym_link *, sym_link *, RESULT_TYPE, int);
+void processFuncPtrArgs (sym_link *);
+void processFuncArgs (symbol *);
+int isSymbolEqual (symbol *, symbol *);
+int powof2 (TYPE_TARGET_ULONG);
+void printTypeChain (sym_link *, FILE *);
+void printTypeChainRaw (sym_link *, FILE *);
+void initCSupport ();
+void initBuiltIns ();
+void pointerTypes (sym_link *, sym_link *);
+void cdbStructBlock (int);
+void initHashT ();
+bucket *newBucket ();
+void addSym (bucket **, void *, char *, int, int, int checkType);
+void deleteSym (bucket **, void *, char *);
+void *findSym (bucket **, void *, const char *);
+void *findSymWithLevel (bucket **, struct symbol *);
+void *findSymWithBlock (bucket **, struct symbol *, int);
+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 */
+extern void printFromToType (sym_link *, sym_link *);
#endif
projects / fw / sdcc / blobdiff