195 lines
7.6 KiB
C
195 lines
7.6 KiB
C
/* expr.h -- Public #include File (module.h template V1.0)
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Contributed by James Craig Burley.
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This file is part of GNU Fortran.
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GNU Fortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Fortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Fortran; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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Owning Modules:
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expr.c
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Modifications:
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*/
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/* Allow multiple inclusion to work. */
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#ifndef GCC_F_EXPR_H
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#define GCC_F_EXPR_H
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/* Simple definitions and enumerations. */
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typedef enum
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{
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FFEEXPR_contextLET,
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FFEEXPR_contextASSIGN,
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FFEEXPR_contextIOLIST,
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FFEEXPR_contextPARAMETER,
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FFEEXPR_contextSUBROUTINEREF,
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FFEEXPR_contextDATA,
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FFEEXPR_contextIF,
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FFEEXPR_contextARITHIF,
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FFEEXPR_contextDO,
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FFEEXPR_contextDOWHILE,
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FFEEXPR_contextFORMAT,
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FFEEXPR_contextAGOTO,
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FFEEXPR_contextCGOTO,
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FFEEXPR_contextCHARACTERSIZE,
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FFEEXPR_contextEQUIVALENCE,
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FFEEXPR_contextSTOP,
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FFEEXPR_contextRETURN,
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FFEEXPR_contextSFUNCDEF,
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FFEEXPR_contextINCLUDE,
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FFEEXPR_contextWHERE,
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FFEEXPR_contextSELECTCASE,
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FFEEXPR_contextCASE,
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FFEEXPR_contextDIMLIST,
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FFEEXPR_contextDIMLISTCOMMON, /* Dim list in COMMON stmt. */
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FFEEXPR_contextFILEASSOC, /* ASSOCIATEVARIABLE=. */
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FFEEXPR_contextFILEINT, /* IOSTAT=. */
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FFEEXPR_contextFILEDFINT, /* NEXTREC=. */
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FFEEXPR_contextFILELOG, /* NAMED=. */
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FFEEXPR_contextFILENUM, /* Numerical expression. */
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FFEEXPR_contextFILECHAR, /* Character expression. */
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FFEEXPR_contextFILENUMCHAR, /* READ KEYxyz=. */
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FFEEXPR_contextFILEDFCHAR, /* Default kind character expression. */
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FFEEXPR_contextFILEKEY, /* OPEN KEY=. */
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FFEEXPR_contextFILEEXTFUNC, /* USEROPEN=. */
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FFEEXPR_contextFILEUNIT, /* READ/WRITE UNIT=. */
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FFEEXPR_contextFILEUNIT_DF, /* DEFINE FILE unit (no "(" after it). */
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FFEEXPR_contextFILEFORMATNML, /* [FMT=] or [NML=]. */
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FFEEXPR_contextFILEFORMAT, /* FMT=. */
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FFEEXPR_contextFILENAMELIST,/* NML=. */
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FFEEXPR_contextFILENUMAMBIG,/* BACKSPACE, ENDFILE, REWIND, UNLOCK...
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where at e.g. BACKSPACE(, if COMMA seen
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before ), it is ok. */
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FFEEXPR_contextFILEUNITAMBIG, /* READ(, if COMMA seen before ), ok. */
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FFEEXPR_contextFILEVXTCODE, /* ENCODE/DECODE third arg (scalar/array). */
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FFEEXPR_contextALLOCATE, /* ALLOCATE objects (weird). */
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FFEEXPR_contextDEALLOCATE, /* DEALLOCATE objects (weird). */
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FFEEXPR_contextHEAPSTAT, /* ALLOCATE/DEALLOCATE STAT= variable. */
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FFEEXPR_contextKINDTYPE, /* KIND=. */
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FFEEXPR_contextINITVAL, /* R426 =initialization-expr. */
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FFEEXPR_contextNULLIFY, /* Pointer names only (F90) or pointers. */
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FFEEXPR_contextIOLISTDF, /* IOLIST w/internal file (V112 9-14 30,31). */
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FFEEXPR_contextINDEX_, /* Element dimension or substring value. */
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FFEEXPR_contextEQVINDEX_, /* EQUIVALENCE element dimension. */
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FFEEXPR_contextDATAIMPDOINDEX_, /* INDEX in DATAIMPDO context. */
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FFEEXPR_contextIMPDOITEM_,
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FFEEXPR_contextIMPDOITEMDF_,/* to ...ITEM_ as IOLISTDF is to IOLIST. */
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FFEEXPR_contextIMPDOCTRL_,
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FFEEXPR_contextDATAIMPDOITEM_,
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FFEEXPR_contextDATAIMPDOCTRL_,
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FFEEXPR_contextLOC_,
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FFEEXPR_contextACTUALARG_, /* Actual arg to function or subroutine;
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turns into ACTUALARGEXPR_ if tokens not
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NAME (CLOSE_PAREN/COMMA) or PERCENT.... */
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FFEEXPR_contextACTUALARGEXPR_, /* Like LET but disallow CHAR*(*)
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concats. */
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FFEEXPR_contextINDEXORACTUALARG_, /* "CHARACTER FOO; PRINT *,FOO(?". */
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FFEEXPR_contextINDEXORACTUALARGEXPR_, /* ? not NAME
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(CLOSE_PAREN/COMMA). */
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FFEEXPR_contextSFUNCDEFINDEX_, /* INDEX_ within stmt-func def. */
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FFEEXPR_contextSFUNCDEFACTUALARG_,
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FFEEXPR_contextSFUNCDEFACTUALARGEXPR_,
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FFEEXPR_contextSFUNCDEFINDEXORACTUALARG_,
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FFEEXPR_contextSFUNCDEFINDEXORACTUALARGEXPR_,
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FFEEXPR_contextPAREN_, /* Rhs paren except in LET context. */
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FFEEXPR_contextPARENFILENUM_, /* Either PAREN or FILENUM context. */
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FFEEXPR_contextPARENFILEUNIT_, /* Either PAREN or FILEUNIT context. */
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FFEEXPR_context
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} ffeexprContext;
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/* Typedefs. */
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/* Include files needed by this one. */
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#include "bld.h"
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#include "lex.h"
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#include "malloc.h"
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/* Structure definitions. */
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typedef ffelexHandler (*ffeexprCallback) (ffelexToken ft, ffebld expr,
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ffelexToken t);
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/* Global objects accessed by users of this module. */
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/* Declare functions with prototypes. */
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ffebld ffeexpr_collapse_convert (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_paren (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_uplus (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_uminus (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_not (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_add (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_subtract (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_multiply (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_divide (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_power (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_concatenate (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_lt (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_le (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_eq (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_ne (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_gt (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_ge (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_and (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_or (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_xor (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_eqv (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_neqv (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_symter (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_funcref (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_arrayref (ffebld expr, ffelexToken t);
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ffebld ffeexpr_collapse_substr (ffebld expr, ffelexToken t);
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ffebld ffeexpr_convert (ffebld source, ffelexToken source_token,
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ffelexToken dest_token, ffeinfoBasictype bt, ffeinfoKindtype kt,
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ffeinfoRank rk, ffetargetCharacterSize sz,
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ffeexprContext context);
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ffebld ffeexpr_convert_expr (ffebld source, ffelexToken source_token,
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ffebld dest, ffelexToken dest_token,
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ffeexprContext context);
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ffebld ffeexpr_convert_to_sym (ffebld source, ffelexToken source_token,
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ffesymbol dest, ffelexToken dest_token);
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void ffeexpr_init_2 (void);
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ffelexHandler ffeexpr_rhs (mallocPool pool, ffeexprContext context,
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ffeexprCallback callback);
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ffelexHandler ffeexpr_lhs (mallocPool pool, ffeexprContext context,
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ffeexprCallback callback);
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void ffeexpr_terminate_2 (void);
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void ffeexpr_type_combine (ffeinfoBasictype *nbt, ffeinfoKindtype *nkt,
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ffeinfoBasictype lbt, ffeinfoKindtype lkt,
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ffeinfoBasictype rbt, ffeinfoKindtype rkt,
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ffelexToken t);
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/* Define macros. */
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#define ffeexpr_init_0()
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#define ffeexpr_init_1()
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#define ffeexpr_init_3()
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#define ffeexpr_init_4()
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#define ffeexpr_terminate_0()
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#define ffeexpr_terminate_1()
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#define ffeexpr_terminate_3()
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#define ffeexpr_terminate_4()
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/* End of #include file. */
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#endif /* ! GCC_F_EXPR_H */
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