509 lines
16 KiB
C
509 lines
16 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2012 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#ifndef COMPILER_H_INCLUDED
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#define COMPILER_H_INCLUDED
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typedef unsigned int opctype;
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typedef struct mvarstruct
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{
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struct mvarstruct *lson,
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*rson;
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int4 mvidx;
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mident mvname;
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struct tripletype *last_fetch;
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} mvar;
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typedef struct mvaxstruct
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{
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struct mvaxstruct *last,
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*next;
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mvar *var;
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int4 mvidx;
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} mvax;
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typedef struct mlinestruct
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{
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struct mlinestruct *parent,
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*sibling,
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*child;
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struct tripletype *externalentry;
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uint4 line_number; /* ...operation on this line */
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boolean_t table; /* put in table or not */
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} mline;
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typedef struct mlabstruct
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{
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struct mlabstruct *lson,
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*rson;
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mline *ml;
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mident mvname;
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int formalcnt;
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boolean_t gbl;
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} mlabel;
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typedef struct mliteralstruct
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{
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struct
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{
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struct mliteralstruct *fl,
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*bl;
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} que;
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INTPTR_T rt_addr;
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mval v;
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} mliteral;
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typedef struct triplesize
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{
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struct tripletype *ct;
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int4 size;
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} tripsize;
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typedef struct oprtypestruct
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{
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char oprclass;
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union
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{
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struct oprtypestruct *indr;
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struct tripletype *tref;
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struct triplesize *tsize;
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mlabel *lab;
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mline *mlin;
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mliteral *mlit;
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mstr *cdlt;
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mvar *vref;
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int4 temp;
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int4 ilit;
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int4 offset;
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unsigned char vreg;
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} oprval;
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} oprtype;
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/* Values for oprclass */
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#define NOCLASS 0
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#define TVAR_REF 1
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#define TVAL_REF 2
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#define TINT_REF 3
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#define TVAD_REF 4
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#define TCAD_REF 5
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#define VALUED_REF_TYPES 6
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#define VREG_REF 6
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#define MLIT_REF 7
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#define MVAR_REF 8
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#define TRIP_REF 9
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#define TNXT_REF 10
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#define TJMP_REF 11
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#define INDR_REF 12
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#define MLAB_REF 13
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#define ILIT_REF 14
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#define CDLT_REF 15
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#define TEMP_REF 16
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#define MFUN_REF 17
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#define MNXL_REF 18 /* refer to internalentry of child line */
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#define TSIZ_REF 19 /* ilit refering to size of given triple codegen */
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#define OCNT_REF 20 /* Offset from Call to Next Triple */
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typedef struct tbptype
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{
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struct
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{
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struct tbptype *fl,
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*bl;
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} que;
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struct tripletype *bpt;
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} tbp;
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typedef struct
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{
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uint4 line;
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uint4 column;
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} source_address;
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typedef struct tripletype
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{
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opctype opcode;
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struct
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{
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struct tripletype *fl,
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*bl;
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} exorder;
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tbp backptr, /* triples which reference this triple's value */
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jmplist; /* triples which jump to this one */
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source_address src;
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int rtaddr; /* relative run time address of triple */
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oprtype operand[2],
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destination;
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} triple;
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typedef struct
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{
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unsigned short octype;
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} octabstruct;
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/* Values for octype */
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#define OCT_NULL 0
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#define OCT_MVAL 1
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#define OCT_MINT 2
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#define OCT_MVADDR 4
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#define OCT_CDADDR 8
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#define OCT_VALUE (OCT_MVAL | OCT_MINT | OCT_CDADDR)
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#define OCT_BOOL 16
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#define OCT_JUMP 32
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#define OCT_EXPRLEAF 64
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#define OCT_CGSKIP 128
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#define OCT_COERCE 256
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typedef struct
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{
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char name[20];
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opctype bo_type;
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char uo_type;
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unsigned short opr_type;
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} toktabtype;
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#define VMS_OS 01
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#define UNIX_OS 02
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#define ALL_SYS (VMS_OS | UNIX_OS)
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#ifdef UNIX /* function and svn validation are a function of the OS */
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# define VALID_FUN(i) (fun_data[i].os_syst & UNIX_OS)
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# define VALID_SVN(i) (svn_data[i].os_syst & UNIX_OS)
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# ifdef __hppa
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# define TRIGGER_OS 0
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# else
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# define TRIGGER_OS UNIX_OS
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# endif
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#elif defined VMS
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# define VALID_FUN(i) (fun_data[i].os_syst & VMS_OS)
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# define VALID_SVN(i) (svn_data[i].os_syst & VMS_OS)
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# define TRIGGER_OS 0
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#else
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# error UNSUPPORTED PLATFORM
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#endif
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#define MUMPS_INT 0 /* integer - they only type the compiler handles differently */
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#define MUMPS_EXPR 1 /* expression */
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#define MUMPS_STR 2 /* string */
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#define MUMPS_NUM 3 /* numeric - potentially non-integer */
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#define EXPR_FAIL 0 /* expression had syntax error - frequently represented by FALSE*/
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#define EXPR_GOOD 1 /* expression ok, no indirection at root - frequently represented by TRUE */
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#define EXPR_INDR 2 /* expression ok, indirection at root */
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#define EXPR_SHFT 4 /* expression ok, involved shifted GV references */
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#define CHARMAXARGS 256
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#define MAX_FORARGS 127
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#define MAX_SRCLINE 8192 /* maximum length of a program source or indirection line */
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#define NO_FORMALLIST (-1)
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/* Some errors should not cause stx_error to issue an rts_error. These are the errors related to
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* a) Invalid Intrinsic Commands
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* b) Invalid Intrinsic Function Names
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* c) Invalid Intrinsic Special Variables
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* d) Invalid Deviceparameters for IO commands
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* These should cause an error at runtime if and only if that codepath is reached.
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* PostConditionals can cause this path to be avoided in which case we do not want to issue an error at compile time.
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* Therefore issue only a warning at compile-time and proceed with compilation as if this codepath will not be reached at runtime.
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*/
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error_def(ERR_DEVPARINAP);
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error_def(ERR_DEVPARUNK);
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error_def(ERR_DEVPARVALREQ);
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error_def(ERR_FNOTONSYS);
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error_def(ERR_INVCMD);
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error_def(ERR_INVFCN);
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error_def(ERR_INVSVN);
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error_def(ERR_SVNONEW);
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error_def(ERR_SVNOSET);
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#define IS_STX_WARN(errcode) \
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((ERR_DEVPARINAP == errcode) || (ERR_DEVPARUNK == errcode) || (ERR_DEVPARVALREQ == errcode) \
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|| (ERR_FNOTONSYS == errcode) || (ERR_INVCMD == errcode) || (ERR_INVFCN == errcode) \
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|| (ERR_INVSVN == errcode) || (ERR_SVNONEW == errcode) || (ERR_SVNOSET == errcode))
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/* This macro does an "stx_error" of the input errcode but before that it asserts that the input errcode is one
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* of the known error codes that are to be handled as a compile-time warning (instead of an error). It also set
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* the variable "parse_warn" to TRUE which is relied upon by the functions that invoke this macro. Note that when
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* triggers are included, warnings become errors so bypass the warning stuff.
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*/
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#ifdef GTM_TRIGGER
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# define STX_ERROR_WARN(errcode) \
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{ \
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if (!TREF(trigger_compile)) \
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parse_warn = TRUE; \
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assert(IS_STX_WARN(errcode)); \
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stx_error(errcode); \
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if (TREF(trigger_compile)) \
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return FALSE; \
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}
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#else
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# define STX_ERROR_WARN(errcode) \
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{ \
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parse_warn = TRUE; \
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assert(IS_STX_WARN(errcode)); \
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stx_error(errcode); \
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}
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#endif
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#ifdef DEBUG
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# define COMPDBG(x) if (gtmDebugLevel & GDL_DebugCompiler) {x}
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#else
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# define COMPDBG(x)
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#endif
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/* Cutover from simple lists to hash table access - tuned by testing compilation
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of 24K+ Vista M source routines.
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*/
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#include "copy.h"
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#define LIT_HASH_CUTOVER DEBUG_ONLY(4) PRO_ONLY(32)
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#define SYM_HASH_CUTOVER DEBUG_ONLY(4) PRO_ONLY(16)
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#define COMPLITS_HASHTAB_CLEANUP \
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{ \
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GBLREF hash_table_str *complits_hashtab; \
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if (complits_hashtab && complits_hashtab->base) \
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{ /* Release hash table itself but leave hash table descriptor if exists */ \
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free_hashtab_str(complits_hashtab); \
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} \
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}
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#define COMPSYMS_HASHTAB_CLEANUP \
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{ \
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GBLREF hash_table_str *compsyms_hashtab; \
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if (compsyms_hashtab && compsyms_hashtab->base) \
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{ /* Release hash table itself but leave hash table descriptor if exists */ \
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free_hashtab_str(compsyms_hashtab); \
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compsyms_hashtab->base = NULL; \
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} \
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}
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#define COMPILE_HASHTAB_CLEANUP \
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COMPLITS_HASHTAB_CLEANUP; \
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COMPSYMS_HASHTAB_CLEANUP;
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/* Macro to compute running checksum of a routine one line at a time. */
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#define RTN_SRC_CHKSUM(srcptr, srclen, chksum) \
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{ \
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char *chkcalc, *cptr; \
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uint4 srcint; \
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for (chkcalc = srcptr, cptr = srcptr + srclen; chkcalc < cptr; ) \
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{ \
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srcint = 0; \
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if (INTCAST(cptr - chkcalc) < SIZEOF(uint4)) \
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{ \
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memcpy(&srcint, chkcalc, cptr - chkcalc); \
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chkcalc = cptr; /* Stops loop after this iteration is complete */ \
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} else \
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{ \
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GET_ULONG(srcint, chkcalc); \
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chkcalc += SIZEOF(uint4); \
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} \
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chksum ^= srcint; \
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chksum >>= 1; \
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} \
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}
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#define ENCOUNTERED_SIDE_EFFECT \
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{ /* Needs #include "show_source_line" and #include "fullbool.h" */ \
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char source_line_buff[MAX_SRCLINE + SIZEOF(ARROW)]; \
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\
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if (TREF(shift_side_effects)) \
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{ \
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TREF(saw_side_effect) = TRUE; \
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if (!run_time && (FULL_BOOL_WARN == TREF(gtm_fullbool))) \
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{ /* warnings requested by by gtm_fullbool and enabled by eval_expr */ \
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show_source_line(source_line_buff, SIZEOF(source_line_buff), TRUE); \
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dec_err(VARLSTCNT(1) ERR_BOOLSIDEFFECT); \
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} \
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} \
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}
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/* the macro below tucks a code reference into the for_stack so a FOR that's done can move on correctly when done */
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#define FOR_END_OF_SCOPE(DEPTH, RESULT) \
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{ \
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oprtype **Ptr; \
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\
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assert(0 <= DEPTH); \
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assert(TREF(for_stack_ptr) < (oprtype **)TADR(for_stack) + MAX_FOR_STACK); \
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Ptr = (oprtype **)TREF(for_stack_ptr) - DEPTH; \
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assert(Ptr >= (oprtype **)TADR(for_stack)); \
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if (NULL == *Ptr) \
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*Ptr = (oprtype *)mcalloc(SIZEOF(oprtype)); \
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RESULT = put_indr(*Ptr); \
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}
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#define GOOD_FOR FALSE /* single level */
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#define BLOWN_FOR TRUE /* all levels */
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/* Marco to decrement or clear the for_stack, clear the for_temp array
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* and generate code to release run-time malloc'd mvals anchored in the for_saved_indx array
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* The corresponding FOR_PUSH macro is in m_for.c but this one is used in stx_error.c for error cases
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*/
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#define FOR_POP(ALL) \
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{ \
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unsigned int For_stack_level; \
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boolean_t Seen_indx; \
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\
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assert(TREF(for_stack_ptr) >= (oprtype **)TADR(for_stack)); \
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assert(TREF(for_stack_ptr) <= (oprtype **)TADR(for_stack) + MAX_FOR_STACK); \
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if (TREF(for_stack_ptr) > (oprtype **)TADR(for_stack)) \
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--(TREF(for_stack_ptr)); \
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if (ALL) \
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{ \
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while (TREF(for_stack_ptr) > (oprtype **)TADR(for_stack)) \
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(TREF(for_stack_ptr))--; \
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*(TREF(for_stack_ptr)) = NULL; \
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} \
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if (TREF(for_stack_ptr) == (oprtype **)TADR(for_stack)) \
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{ \
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for (Seen_indx = FALSE, For_stack_level = MAX_FOR_STACK; --For_stack_level; ) \
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{ \
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if (!Seen_indx && (TRUE_WITH_INDX == TAREF1(for_temps, For_stack_level))) \
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{ \
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(void)newtriple(OC_FORFREEINDX); \
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Seen_indx = TRUE; \
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} \
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TAREF1(for_temps, For_stack_level) = FALSE; \
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} \
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} else \
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assert(TREF(for_stack_ptr) > (oprtype **)TADR(for_stack)); \
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}
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/* value used to make for_temps entries a little more than boolean */
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#define TRUE_WITH_INDX 2
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int actuallist(oprtype *opr);
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int bool_expr(boolean_t op, oprtype *addr);
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void bx_boolop(triple *t, boolean_t jmp_type_one, boolean_t jmp_to_next, boolean_t sense, oprtype *addr);
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void bx_relop(triple *t, opctype cmp, opctype tst, oprtype *addr);
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void bx_tail(triple *t, boolean_t sense, oprtype *addr);
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void chktchain(triple *head);
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void code_gen(void);
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void coerce(oprtype *a, unsigned short new_type);
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int comp_fini(int status, mstr *obj, opctype retcode, oprtype *retopr, mstr_len_t src_len);
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void comp_init(mstr *src);
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void comp_indr(mstr *obj);
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boolean_t compiler_startup(void);
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triple *entryref(opctype op1, opctype op2, mint commargcode, boolean_t can_commarg, boolean_t labref, boolean_t textname);
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int eval_expr(oprtype *a);
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int expratom(oprtype *a);
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int exfunc(oprtype *a, boolean_t alias_target);
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int expritem(oprtype *a);
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int expr(oprtype *a, int m_type);
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void ex_tail(oprtype *opr);
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int extern_func(oprtype *a);
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int f_ascii(oprtype *a, opctype op);
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int f_char(oprtype *a, opctype op);
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int f_data(oprtype *a, opctype op);
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int f_extract(oprtype *a, opctype op);
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int f_find(oprtype *a, opctype op);
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int f_fnumber(oprtype *a, opctype op);
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int f_fnzbitfind(oprtype *a, opctype op);
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int f_fnzbitget(oprtype *a, opctype op);
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int f_fnzbitset(oprtype *a, opctype op);
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int f_fnzbitstr(oprtype *a, opctype op);
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int f_get(oprtype *a, opctype op);
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int f_incr(oprtype *a, opctype op);
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int f_justify(oprtype *a, opctype op);
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int f_length(oprtype *a, opctype op);
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int f_mint(oprtype *a, opctype op);
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int f_mint_mstr(oprtype *a, opctype op);
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int f_mstr(oprtype *a, opctype op);
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int f_name(oprtype *a, opctype op);
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int f_next(oprtype *a, opctype op);
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int f_one_mval(oprtype *a, opctype op);
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int f_order(oprtype *a, opctype op);
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int f_order1(oprtype *a, opctype op);
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int f_piece(oprtype *a, opctype op);
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int f_qlength(oprtype *a, opctype op);
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int f_qsubscript(oprtype *a, opctype op);
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int f_query (oprtype *a, opctype op);
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int f_reverse(oprtype *a, opctype op);
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int f_select(oprtype *a, opctype op);
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int f_stack(oprtype *a, opctype op);
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int f_text(oprtype *a, opctype op);
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int f_translate(oprtype *a, opctype op);
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int f_two_mstrs(oprtype *a, opctype op);
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int f_two_mval(oprtype *a, opctype op);
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int f_view(oprtype *a, opctype op);
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int f_zahandle(oprtype *a, opctype op);
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int f_zcall(oprtype *a, opctype op);
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int f_zchar(oprtype *a, opctype op);
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int f_zconvert(oprtype *a, opctype op);
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int f_zdate(oprtype *a, opctype op);
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int f_zdebug(oprtype *a, opctype op);
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int f_zechar(oprtype *a, opctype op);
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int f_zgetsyi(oprtype *a, opctype op);
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int f_zjobexam(oprtype *a, opctype op);
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int f_zparse(oprtype *a, opctype op);
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int f_zprevious(oprtype *a, opctype op);
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int f_zqgblmod(oprtype *a, opctype op);
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int f_zsearch(oprtype *a, opctype op);
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int f_zsigproc(oprtype *a, opctype op);
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int f_zsqlexpr (oprtype *a, opctype op);
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int f_zsqlfield (oprtype *a, opctype op);
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int f_zsubstr(oprtype *a, opctype op);
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int f_ztrigger(oprtype *a, opctype op);
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int f_ztrnlnm(oprtype *a, opctype op);
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int f_zwidth(oprtype *a, opctype op);
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mlabel *get_mladdr(mident *c);
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mvar *get_mvaddr(mident *c);
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int glvn(oprtype *a);
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int gvn(void);
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void ind_code(mstr *obj);
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int indirection(oprtype *a);
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void ins_triple(triple *x);
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void int_label(void);
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int jobparameters (oprtype *c);
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boolean_t line(uint4 *lnc);
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int linetail(void);
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int lkglvn(boolean_t gblvn);
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int lref(oprtype *label, oprtype *offset, boolean_t no_lab_ok, mint commarg_code, boolean_t commarg_ok, boolean_t *got_some);
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int lvn(oprtype *a,opctype index_op,triple *parent);
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void make_commarg(oprtype *x, mint ind);
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oprtype make_gvsubsc(mval *v);
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triple *maketriple(opctype op);
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int name_glvn(boolean_t gblvn, oprtype *a);
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triple *newtriple(opctype op);
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int nref(void);
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void obj_code(uint4 src_lines, uint4 checksum);
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int one_job_param(char **parptr);
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int parse_until_rparen_or_space(void);
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oprtype put_ocnt(void);
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oprtype put_tsiz(void);
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oprtype put_cdlt(mstr *x);
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oprtype put_ilit(mint x);
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oprtype put_indr(oprtype *x);
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oprtype put_lit(mval *x);
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oprtype put_mfun(mident *l);
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oprtype put_mlab(mident *l);
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oprtype put_mnxl(void);
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oprtype put_mvar(mident *x);
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oprtype put_str(char *pt, mstr_len_t n);
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oprtype put_tjmp(triple *x);
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oprtype put_tnxt(triple *x);
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oprtype put_tref(triple *x);
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int resolve_ref(int errknt);
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void resolve_tref(triple *, oprtype *);
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triple *setcurtchain(triple *x);
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/* VMS uses same code generator as USHBIN so treat as USHBIN for these compiler routines */
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# if defined(USHBIN_SUPPORTED) || defined(VMS)
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void shrink_trips(void);
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boolean_t litref_triple_oprcheck(oprtype *operand);
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# else
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void shrink_jmps(void);
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# endif
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void start_fetches(opctype op);
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void start_for_fetches(void);
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void tnxtarg(oprtype *a);
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void tripinit(void);
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void walktree(mvar *n,void (*f)(),char *arg);
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void wrtcatopt(triple *r, triple ***lpx, triple **lptop);
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int zlcompile(unsigned char len, unsigned char *addr); /***type int added***/
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#endif /* COMPILER_H_INCLUDED */
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