freebsd-dev/usr.bin/f2c/defs.h
Jean-Marc Zucconi 5d60853225 Update to the 1995/09/20 version. Previous version was 1993/12/17
The diffs are large mainly because of prototyping changes.
1995-09-28 20:36:16 +00:00

1054 lines
33 KiB
C

/****************************************************************
Copyright 1990 - 1995 by AT&T Bell Laboratories, Bellcore.
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the names of AT&T Bell Laboratories or
Bellcore or any of their entities not be used in advertising or
publicity pertaining to distribution of the software without
specific, written prior permission.
AT&T and Bellcore disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall AT&T or Bellcore be liable for
any special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
****************************************************************/
#include "sysdep.h"
#include "ftypes.h"
#include "defines.h"
#include "machdefs.h"
#define MAXDIM 20
#define MAXINCLUDES 10
#define MAXLITERALS 200 /* Max number of constants in the literal
pool */
#define MAXCTL 20
#define MAXHASH 401
#define MAXSTNO 801
#define MAXEXT 200
#define MAXEQUIV 150
#define MAXLABLIST 258 /* Max number of labels in an alternate
return CALL or computed GOTO */
#define MAXCONTIN 99 /* Max continuation lines */
/* These are the primary pointer types used in the compiler */
typedef union Expression *expptr, *tagptr;
typedef struct Chain *chainp;
typedef struct Addrblock *Addrp;
typedef struct Constblock *Constp;
typedef struct Exprblock *Exprp;
typedef struct Nameblock *Namep;
extern FILEP infile;
extern FILEP diagfile;
extern FILEP textfile;
extern FILEP asmfile;
extern FILEP c_file; /* output file for all functions; extern
declarations will have to be prepended */
extern FILEP pass1_file; /* Temp file to hold the function bodies
read on pass 1 */
extern FILEP expr_file; /* Debugging file */
extern FILEP initfile; /* Intermediate data file pointer */
extern FILEP blkdfile; /* BLOCK DATA file */
extern int current_ftn_file;
extern int maxcontin;
extern char *blkdfname, *initfname, *sortfname;
extern long headoffset; /* Since the header block requires data we
don't know about until AFTER each
function has been processed, we keep a
pointer to the current (dummy) header
block (at the top of the assembly file)
here */
extern char main_alias[]; /* name given to PROGRAM psuedo-op */
extern char *token;
extern int maxtoklen, toklen;
extern long lineno;
extern char *infname;
extern int needkwd;
extern struct Labelblock *thislabel;
/* Used to allow runtime expansion of internal tables. In particular,
these values can exceed their associated constants */
extern int maxctl;
extern int maxequiv;
extern int maxstno;
extern int maxhash;
extern int maxext;
extern flag nowarnflag;
extern flag ftn66flag; /* Generate warnings when weird f77
features are used (undeclared dummy
procedure, non-char initialized with
string, 1-dim subscript in EQUIV) */
extern flag no66flag; /* Generate an error when a generic
function (f77 feature) is used */
extern flag noextflag; /* Generate an error when an extension to
Fortran 77 is used (hex/oct/bin
constants, automatic, static, double
complex types) */
extern flag zflag; /* enable double complex intrinsics */
extern flag shiftcase;
extern flag undeftype;
extern flag shortsubs; /* Use short subscripts on arrays? */
extern flag onetripflag; /* if true, always execute DO loop body */
extern flag checksubs;
extern flag debugflag;
extern int nerr;
extern int nwarn;
extern int parstate;
extern flag headerdone; /* True iff the current procedure's header
data has been written */
extern int blklevel;
extern flag saveall;
extern flag substars; /* True iff some formal parameter is an
asterisk */
extern int impltype[ ];
extern ftnint implleng[ ];
extern int implstg[ ];
extern int tycomplex, tyint, tyioint, tyreal;
extern int tylog, tylogical; /* TY____ of the implementation of logical.
This will be LONG unless '-2' is given
on the command line */
extern int type_choice[];
extern char *typename[];
extern int typesize[]; /* size (in bytes) of an object of each
type. Indexed by TY___ macros */
extern int typealign[];
extern int proctype; /* Type of return value in this procedure */
extern char * procname; /* External name of the procedure, or last ENTRY name */
extern int rtvlabel[ ]; /* Return value labels, indexed by TY___ macros */
extern Addrp retslot;
extern Addrp xretslot[];
extern int cxslot; /* Complex return argument slot (frame pointer offset)*/
extern int chslot; /* Character return argument slot (fp offset) */
extern int chlgslot; /* Argument slot for length of character buffer */
extern int procclass; /* Class of the current procedure: either CLPROC,
CLMAIN, CLBLOCK or CLUNKNOWN */
extern ftnint procleng; /* Length of function return value (e.g. char
string length). If this is -1, then the length is
not known at compile time */
extern int nentry; /* Number of entry points (other than the original
function call) into this procedure */
extern flag multitype; /* YES iff there is more than one return value
possible */
extern int blklevel;
extern long lastiolabno;
extern int lastlabno;
extern int lastvarno;
extern int lastargslot; /* integer offset pointing to the next free
location for an argument to the current routine */
extern int argloc;
extern int autonum[]; /* for numbering
automatic variables, e.g. temporaries */
extern int retlabel;
extern int ret0label;
extern int dorange; /* Number of the label which terminates
the innermost DO loop */
extern int regnum[ ]; /* Numbers of DO indicies named in
regnamep (below) */
extern Namep regnamep[ ]; /* List of DO indicies in registers */
extern int maxregvar; /* number of elts in regnamep */
extern int highregvar; /* keeps track of the highest register
number used by DO index allocator */
extern int nregvar; /* count of DO indicies in registers */
extern chainp templist[];
extern int maxdim;
extern chainp earlylabs;
extern chainp holdtemps;
extern struct Entrypoint *entries;
extern struct Rplblock *rpllist;
extern struct Chain *curdtp;
extern ftnint curdtelt;
extern chainp allargs; /* union of args in entries */
extern int nallargs; /* total number of args */
extern int nallchargs; /* total number of character args */
extern flag toomanyinit; /* True iff too many initializers in a
DATA statement */
extern flag inioctl;
extern int iostmt;
extern Addrp ioblkp;
extern int nioctl;
extern int nequiv;
extern int eqvstart; /* offset to eqv number to guarantee uniqueness
and prevent <something> from going negative */
extern int nintnames;
/* Chain of tagged blocks */
struct Chain
{
chainp nextp;
char * datap; /* Tagged block */
};
extern chainp chains;
/* Recall that field is intended to hold four-bit characters */
/* This structure exists only to defeat the type checking */
struct Headblock
{
field tag;
field vtype;
field vclass;
field vstg;
expptr vleng; /* Expression for length of char string -
this may be a constant, or an argument
generated by mkarg() */
} ;
/* Control construct info (for do loops, else, etc) */
struct Ctlframe
{
unsigned ctltype:8;
unsigned dostepsign:8; /* 0 - variable, 1 - pos, 2 - neg */
unsigned dowhile:1;
int ctlabels[4]; /* Control labels, defined below */
int dolabel; /* label marking end of this DO loop */
Namep donamep; /* DO index variable */
expptr domax; /* constant or temp variable holding MAX
loop value; or expr of while(expr) */
expptr dostep; /* expression */
Namep loopname;
};
#define endlabel ctlabels[0]
#define elselabel ctlabels[1]
#define dobodylabel ctlabels[1]
#define doposlabel ctlabels[2]
#define doneglabel ctlabels[3]
extern struct Ctlframe *ctls; /* Keeps info on DO and BLOCK IF
structures - this is the stack
bottom */
extern struct Ctlframe *ctlstack; /* Pointer to current nesting
level */
extern struct Ctlframe *lastctl; /* Point to end of
dynamically-allocated array */
typedef struct {
int type;
chainp cp;
} Atype;
typedef struct {
int defined, dnargs, nargs, changes;
Atype atypes[1];
} Argtypes;
/* External Symbols */
struct Extsym
{
char *fextname; /* Fortran version of external name */
char *cextname; /* C version of external name */
field extstg; /* STG -- should be COMMON, UNKNOWN or EXT
*/
unsigned extype:4; /* for transmitting type to output routines */
unsigned used_here:1; /* Boolean - true on the second pass
through a function if the block has
been referenced */
unsigned exused:1; /* Has been used (for help with error msgs
about externals typed differently in
different modules) */
unsigned exproto:1; /* type specified in a .P file */
unsigned extinit:1; /* Procedure has been defined,
or COMMON has DATA */
unsigned extseen:1; /* True if previously referenced */
chainp extp; /* List of identifiers in the common
block for this function, stored as
Namep (hash table pointers) */
chainp allextp; /* List of lists of identifiers; we keep one
list for each layout of this common block */
int curno; /* current number for this common block,
used for constructing appending _nnn
to the common block name */
int maxno; /* highest curno value for this common block */
ftnint extleng;
ftnint maxleng;
Argtypes *arginfo;
};
typedef struct Extsym Extsym;
extern Extsym *extsymtab; /* External symbol table */
extern Extsym *nextext;
extern Extsym *lastext;
extern int complex_seen, dcomplex_seen;
/* Statement labels */
struct Labelblock
{
int labelno; /* Internal label */
unsigned blklevel:8; /* level of nesting, for branch-in-loop
checking */
unsigned labused:1;
unsigned fmtlabused:1;
unsigned labinacc:1; /* inaccessible? (i.e. has its scope
vanished) */
unsigned labdefined:1; /* YES or NO */
unsigned labtype:2; /* LAB{FORMAT,EXEC,etc} */
ftnint stateno; /* Original label */
char *fmtstring; /* format string */
};
extern struct Labelblock *labeltab; /* Label table - keeps track of
all labels, including undefined */
extern struct Labelblock *labtabend;
extern struct Labelblock *highlabtab;
/* Entry point list */
struct Entrypoint
{
struct Entrypoint *entnextp;
Extsym *entryname; /* Name of this ENTRY */
chainp arglist;
int typelabel; /* Label for function exit; this
will return the proper type of
object */
Namep enamep; /* External name */
};
/* Primitive block, or Primary block. This is a general template returned
by the parser, which will be interpreted in context. It is a template
for an identifier (variable name, function name), parenthesized
arguments (array subscripts, function parameters) and substring
specifications. */
struct Primblock
{
field tag;
field vtype;
unsigned parenused:1; /* distinguish (a) from a */
Namep namep; /* Pointer to structure Nameblock */
struct Listblock *argsp;
expptr fcharp; /* first-char-index-pointer (in
substring) */
expptr lcharp; /* last-char-index-pointer (in
substring) */
};
struct Hashentry
{
int hashval;
Namep varp;
};
extern struct Hashentry *hashtab; /* Hash table */
extern struct Hashentry *lasthash;
struct Intrpacked /* bits for intrinsic function description */
{
unsigned f1:3;
unsigned f2:4;
unsigned f3:7;
unsigned f4:1;
};
struct Nameblock
{
field tag;
field vtype;
field vclass;
field vstg;
expptr vleng; /* length of character string, if applicable */
char *fvarname; /* name in the Fortran source */
char *cvarname; /* name in the resulting C */
chainp vlastdim; /* datap points to new_vars entry for the */
/* system variable, if any, storing the final */
/* dimension; we zero the datap if this */
/* variable is needed */
unsigned vprocclass:3; /* P____ macros - selects the varxptr
field below */
unsigned vdovar:1; /* "is it a DO variable?" for register
and multi-level loop checking */
unsigned vdcldone:1; /* "do I think I'm done?" - set when the
context is sufficient to determine its
status */
unsigned vadjdim:1; /* "adjustable dimension?" - needed for
information about copies */
unsigned vsave:1;
unsigned vimpldovar:1; /* used to prevent erroneous error messages
for variables used only in DATA stmt
implicit DOs */
unsigned vis_assigned:1;/* True if this variable has had some
label ASSIGNED to it; hence
varxptr.assigned_values is valid */
unsigned vimplstg:1; /* True if storage type is assigned implicitly;
this allows a COMMON variable to participate
in a DIMENSION before the COMMON declaration.
*/
unsigned vcommequiv:1; /* True if EQUIVALENCEd onto STGCOMMON */
unsigned vfmt_asg:1; /* True if char *var_fmt needed */
unsigned vpassed:1; /* True if passed as a character-variable arg */
unsigned vknownarg:1; /* True if seen in a previous entry point */
unsigned visused:1; /* True if variable is referenced -- so we */
/* can omit variables that only appear in DATA */
unsigned vnamelist:1; /* Appears in a NAMELIST */
unsigned vimpltype:1; /* True if implicitly typed and not
invoked as a function or subroutine
(so we can consistently type procedures
declared external and passed as args
but never invoked).
*/
unsigned vtypewarned:1; /* so we complain just once about
changed types of external procedures */
unsigned vinftype:1; /* so we can restore implicit type to a
procedure if it is invoked as a function
after being given a different type by -it */
unsigned vinfproc:1; /* True if -it infers this to be a procedure */
unsigned vcalled:1; /* has been invoked */
unsigned vdimfinish:1; /* need to invoke dim_finish() */
unsigned vrefused:1; /* Need to #define name_ref (for -s) */
unsigned vsubscrused:1; /* Need to #define name_subscr (for -2) */
unsigned veqvadjust:1; /* voffset has been adjusted for equivalence */
/* The vardesc union below is used to store the number of an intrinsic
function (when vstg == STGINTR and vprocclass == PINTRINSIC), or to
store the index of this external symbol in extsymtab (when vstg ==
STGEXT and vprocclass == PEXTERNAL) */
union {
int varno; /* Return variable for a function.
This is used when a function is
assigned a return value. Also
used to point to the COMMON
block, when this is a field of
that block. Also points to
EQUIV block when STGEQUIV */
struct Intrpacked intrdesc; /* bits for intrinsic function*/
} vardesc;
struct Dimblock *vdim; /* points to the dimensions if they exist */
ftnint voffset; /* offset in a storage block (the variable
name will be "v.%d", voffset in a
common blck on the vax). Also holds
pointers for automatic variables. When
STGEQUIV, this is -(offset from array
base) */
union {
chainp namelist; /* points to names in the NAMELIST,
if this is a NAMELIST name */
chainp vstfdesc; /* points to (formals, expr) pair */
chainp assigned_values; /* list of integers, each being a
statement label assigned to
this variable in the current function */
} varxptr;
int argno; /* for multiple entries */
Argtypes *arginfo;
};
/* PARAMETER statements */
struct Paramblock
{
field tag;
field vtype;
field vclass;
field vstg;
expptr vleng;
char *fvarname;
char *cvarname;
expptr paramval;
} ;
/* Expression block */
struct Exprblock
{
field tag;
field vtype;
field vclass;
field vstg;
expptr vleng; /* in the case of a character expression, this
value is inherited from the children */
unsigned opcode;
expptr leftp;
expptr rightp;
int typefixed;
};
union Constant
{
struct {
char *ccp0;
ftnint blanks;
} ccp1;
ftnint ci; /* Constant longeger */
double cd[2];
char *cds[2];
};
#define ccp ccp1.ccp0
struct Constblock
{
field tag;
field vtype;
field vclass;
field vstg; /* vstg = 1 when using Const.cds */
expptr vleng;
union Constant Const;
};
struct Listblock
{
field tag;
field vtype;
chainp listp;
};
/* Address block - this is the FINAL form of identifiers before being
sent to pass 2. We'll want to add the original identifier here so that it can
be preserved in the translation.
An example identifier is q.7. The "q" refers to the storage class
(field vstg), the 7 to the variable number (int memno). */
struct Addrblock
{
field tag;
field vtype;
field vclass;
field vstg;
expptr vleng;
/* put union...user here so the beginning of an Addrblock
* is the same as a Constblock.
*/
union {
Namep name; /* contains a pointer into the hash table */
char ident[IDENT_LEN + 1]; /* C string form of identifier */
char *Charp;
union Constant Const; /* Constant value */
struct {
double dfill[2];
field vstg1;
} kludge; /* so we can distinguish string vs binary
* floating-point constants */
} user;
long memno; /* when vstg == STGCONST, this is the
numeric part of the assembler label
where the constant value is stored */
expptr memoffset; /* used in subscript computations, usually */
unsigned istemp:1; /* used in stack management of temporary
variables */
unsigned isarray:1; /* used to show that memoffset is
meaningful, even if zero */
unsigned ntempelt:10; /* for representing temporary arrays, as
in concatenation */
unsigned dbl_builtin:1; /* builtin to be declared double */
unsigned charleng:1; /* so saveargtypes can get i/o calls right */
unsigned cmplx_sub:1; /* used in complex arithmetic under -s */
unsigned skip_offset:1; /* used in complex arithmetic under -s */
unsigned parenused:1; /* distinguish (a) from a */
ftnint varleng; /* holds a copy of a constant length which
is stored in the vleng field (e.g.
a double is 8 bytes) */
int uname_tag; /* Tag describing which of the unions()
below to use */
char *Field; /* field name when dereferencing a struct */
}; /* struct Addrblock */
/* Errorbock - placeholder for errors, to allow the compilation to
continue */
struct Errorblock
{
field tag;
field vtype;
};
/* Implicit DO block, especially related to DATA statements. This block
keeps track of the compiler's location in the implicit DO while it's
running. In particular, the isactive and isbusy flags tell where
it is */
struct Impldoblock
{
field tag;
unsigned isactive:1;
unsigned isbusy:1;
Namep varnp;
Constp varvp;
chainp impdospec;
expptr implb;
expptr impub;
expptr impstep;
ftnint impdiff;
ftnint implim;
struct Chain *datalist;
};
/* Each of these components has a first field called tag. This union
exists just for allocation simplicity */
union Expression
{
field tag;
struct Addrblock addrblock;
struct Constblock constblock;
struct Errorblock errorblock;
struct Exprblock exprblock;
struct Headblock headblock;
struct Impldoblock impldoblock;
struct Listblock listblock;
struct Nameblock nameblock;
struct Paramblock paramblock;
struct Primblock primblock;
} ;
struct Dimblock
{
int ndim;
expptr nelt; /* This is NULL if the array is unbounded */
expptr baseoffset; /* a constant or local variable holding
the offset in this procedure */
expptr basexpr; /* expression for comuting the offset, if
it's not constant. If this is
non-null, the register named in
baseoffset will get initialized to this
value in the procedure's prolog */
struct
{
expptr dimsize; /* constant or register holding the size
of this dimension */
expptr dimexpr; /* as above in basexpr, this is an
expression for computing a variable
dimension */
} dims[1]; /* Dimblocks are allocated with enough
space for this to become dims[ndim] */
};
/* Statement function identifier stack - this holds the name and value of
the parameters in a statement function invocation. For example,
f(x,y,z)=x+y+z
.
.
y = f(1,2,3)
generates a stack of depth 3, with <x 1>, <y 2>, <z 3> AT THE INVOCATION, NOT
at the definition */
struct Rplblock /* name replacement block */
{
struct Rplblock *rplnextp;
Namep rplnp; /* Name of the formal parameter */
expptr rplvp; /* Value of the actual parameter */
expptr rplxp; /* Initialization of temporary variable,
if required; else null */
int rpltag; /* Tag on the value of the actual param */
};
/* Equivalence block */
struct Equivblock
{
struct Eqvchain *equivs; /* List (Eqvchain) of primblocks
holding variable identifiers */
flag eqvinit;
long eqvtop;
long eqvbottom;
int eqvtype;
} ;
#define eqvleng eqvtop
extern struct Equivblock *eqvclass;
struct Eqvchain
{
struct Eqvchain *eqvnextp;
union
{
struct Primblock *eqvlhs;
Namep eqvname;
} eqvitem;
long eqvoffset;
} ;
/* For allocation purposes only, and to keep lint quiet. In particular,
don't count on the tag being able to tell you which structure is used */
/* There is a tradition in Fortran that the compiler not generate the same
bit pattern more than is necessary. This structure is used to do just
that; if two integer constants have the same bit pattern, just generate
it once. This could be expanded to optimize without regard to type, by
removing the type check in putconst() */
struct Literal
{
short littype;
short litnum; /* numeric part of the assembler
label for this constant value */
int lituse; /* usage count */
union {
ftnint litival;
double litdval[2];
ftnint litival2[2]; /* length, nblanks for strings */
} litval;
char *cds[2];
};
extern struct Literal *litpool;
extern int maxliterals, nliterals;
extern char Letters[];
#define letter(x) Letters[x]
struct Dims { expptr lb, ub; };
extern int forcedouble; /* force real functions to double */
extern int doin_setbound; /* special handling for array bounds */
extern int Ansi;
extern char hextoi_tab[];
#define hextoi(x) hextoi_tab[(x) & 0xff]
extern char *casttypes[], *ftn_types[], *protorettypes[], *usedcasts[];
extern int Castargs, infertypes;
extern FILE *protofile;
extern char binread[], binwrite[], textread[], textwrite[];
extern char *ei_first, *ei_last, *ei_next;
extern char *wh_first, *wh_last, *wh_next;
extern char *halign, *outbuf, *outbtail;
extern flag keepsubs;
#ifdef TYQUAD
extern flag use_tyquad;
#endif
extern int n_keywords;
extern char *c_keywords[];
#ifdef KR_headers
#define Argdcl(x) ()
#define Void /* void */
#else
#define Argdcl(x) x
#define Void void
#endif
char* Alloc Argdcl((int));
char* Argtype Argdcl((int, char*));
void Fatal Argdcl((char*));
struct Impldoblock* mkiodo Argdcl((chainp, chainp));
tagptr Inline Argdcl((int, int, chainp));
struct Labelblock* execlab Argdcl((long));
struct Labelblock* mklabel Argdcl((long));
struct Listblock* mklist Argdcl((chainp));
void Un_link_all Argdcl((int));
void add_extern_to_list Argdcl((Addrp, chainp*));
int addressable Argdcl((tagptr));
tagptr addrof Argdcl((tagptr));
char* addunder Argdcl((char*));
Addrp autovar Argdcl((int, int, tagptr, char*));
void backup Argdcl((char*, char*));
void bad_atypes Argdcl((Argtypes*, char*, int, int, int, char*, char*));
int badchleng Argdcl((tagptr));
void badop Argdcl((char*, int));
void badstg Argdcl((char*, int));
void badtag Argdcl((char*, int));
void badthing Argdcl((char*, char*, int));
void badtype Argdcl((char*, int));
Addrp builtin Argdcl((int, char*, int));
char* c_name Argdcl((char*, int));
tagptr call0 Argdcl((int, char*));
tagptr call1 Argdcl((int, char*, tagptr));
tagptr call2 Argdcl((int, char*, tagptr, tagptr));
tagptr call3 Argdcl((int, char*, tagptr, tagptr, tagptr));
tagptr call4 Argdcl((int, char*, tagptr, tagptr, tagptr, tagptr));
tagptr callk Argdcl((int, char*, chainp));
void cast_args Argdcl((int, chainp));
char* cds Argdcl((char*, char*));
void changedtype Argdcl((Namep));
ptr ckalloc Argdcl((int));
int cktype Argdcl((int, int, int));
void clf Argdcl((FILEP*, char*, int));
int cmpstr Argdcl((char*, char*, long, long));
char* c_type_decl Argdcl((int, int));
Extsym* comblock Argdcl((char*));
char* comm_union_name Argdcl((int));
void consconv Argdcl((int, Constp, Constp));
void consnegop Argdcl((Constp));
int conssgn Argdcl((tagptr));
char* convic Argdcl((long));
void copy_data Argdcl((chainp));
char* copyn Argdcl((int, char*));
char* copys Argdcl((char*));
tagptr cpblock Argdcl((int, char*));
tagptr cpexpr Argdcl((tagptr));
void cpn Argdcl((int, char*, char*));
char* cpstring Argdcl((char*));
void dataline Argdcl((char*, long, int));
char* dataname Argdcl((int, long));
void dataval Argdcl((tagptr, tagptr));
void dclerr Argdcl((char*, Namep));
void def_commons Argdcl((FILEP));
void def_start Argdcl((FILEP, char*, char*, char*));
void deregister Argdcl((Namep));
void do_uninit_equivs Argdcl((FILEP, ptr));
void doequiv(Void);
int dofork(Void);
void doinclude Argdcl((char*));
void doio Argdcl((chainp));
void done Argdcl((int));
void donmlist(Void);
int dsort Argdcl((char*, char*));
char* dtos Argdcl((double));
void elif_out Argdcl((FILEP, tagptr));
void end_else_out Argdcl((FILEP));
void enddcl(Void);
void enddo Argdcl((int));
void endio(Void);
void endioctl(Void);
void endproc(Void);
void entrypt Argdcl((int, int, long, Extsym*, chainp));
int eqn Argdcl((int, char*, char*));
char* equiv_name Argdcl((int, char*));
void err Argdcl((char*));
void err66 Argdcl((char*));
void errext Argdcl((char*));
void erri Argdcl((char*, int));
void errl Argdcl((char*, long));
tagptr errnode(Void);
void errstr Argdcl((char*, char*));
void exarif Argdcl((tagptr, struct Labelblock*, struct Labelblock*, struct Labelblock*));
void exasgoto Argdcl((Namep));
void exassign Argdcl((Namep, struct Labelblock*));
void excall Argdcl((Namep, struct Listblock*, int, struct Labelblock**));
void exdo Argdcl((int, Namep, chainp));
void execerr Argdcl((char*, char*));
void exelif Argdcl((tagptr));
void exelse(Void);
void exenddo Argdcl((Namep));
void exendif(Void);
void exequals Argdcl((struct Primblock*, tagptr));
void exgoto Argdcl((struct Labelblock*));
void exif Argdcl((tagptr));
void exreturn Argdcl((tagptr));
void exstop Argdcl((int, tagptr));
void extern_out Argdcl((FILEP, Extsym*));
void fatali Argdcl((char*, int));
void fatalstr Argdcl((char*, char*));
void ffilecopy Argdcl((FILEP, FILEP));
void fileinit(Void);
int fixargs Argdcl((int, struct Listblock*));
tagptr fixexpr Argdcl((Exprp));
tagptr fixtype Argdcl((tagptr));
char* flconst Argdcl((char*, char*));
void flline(Void);
void fmt_init(Void);
void fmtname Argdcl((Namep, Addrp));
int fmtstmt Argdcl((struct Labelblock*));
tagptr fold Argdcl((tagptr));
void frchain Argdcl((chainp*));
void frdata Argdcl((chainp));
void freetemps(Void);
void freqchain Argdcl((struct Equivblock*));
void frexchain Argdcl((chainp*));
void frexpr Argdcl((tagptr));
void frrpl(Void);
void frtemp Argdcl((Addrp));
char* gmem Argdcl((int, int));
void hashclear(Void);
chainp hookup Argdcl((chainp, chainp));
expptr imagpart Argdcl((Addrp));
void impldcl Argdcl((Namep));
int in_vector Argdcl((char*, char**, int));
void incomm Argdcl((Extsym*, Namep));
void inferdcl Argdcl((Namep, int));
int inilex Argdcl((char*));
void initkey(Void);
int inregister Argdcl((Namep));
long int commlen Argdcl((chainp));
long int convci Argdcl((int, char*));
long int iarrlen Argdcl((Namep));
long int lencat Argdcl((expptr));
long int lmax Argdcl((long, long));
long int lmin Argdcl((long, long));
long int wr_char_len Argdcl((FILEP, struct Dimblock*, int, int));
Addrp intraddr Argdcl((Namep));
tagptr intrcall Argdcl((Namep, struct Listblock*, int));
int intrfunct Argdcl((char*));
void ioclause Argdcl((int, expptr));
int iocname(Void);
int is_negatable Argdcl((Constp));
int isaddr Argdcl((tagptr));
int isnegative_const Argdcl((Constp));
int isstatic Argdcl((tagptr));
chainp length_comp Argdcl((struct Entrypoint*, int));
int lengtype Argdcl((int, long));
char* lexline Argdcl((ptr));
void list_arg_types Argdcl((FILEP, struct Entrypoint*, chainp, int, char*));
void list_decls Argdcl((FILEP));
void list_init_data Argdcl((FILE **, char *, FILE *));
void listargs Argdcl((FILEP, struct Entrypoint*, int, chainp));
char* lit_name Argdcl((struct Literal*));
int log_2 Argdcl((long));
char* lower_string Argdcl((char*, char*));
int main Argdcl((int, char**));
expptr make_int_expr Argdcl((expptr));
void make_param Argdcl((struct Paramblock*, tagptr));
void many Argdcl((char*, char, int));
void margin_printf Argdcl((FILEP, char*, ...));
int maxtype Argdcl((int, int));
char* mem Argdcl((int, int));
void mem_init(Void);
char* memname Argdcl((int, long));
Addrp memversion Argdcl((Namep));
tagptr mkaddcon Argdcl((long));
Addrp mkaddr Argdcl((Namep));
Addrp mkarg Argdcl((int, int));
tagptr mkbitcon Argdcl((int, int, char*));
chainp mkchain Argdcl((char*, chainp));
Constp mkconst Argdcl((int));
tagptr mkconv Argdcl((int, tagptr));
tagptr mkcxcon Argdcl((tagptr, tagptr));
tagptr mkexpr Argdcl((int, tagptr, tagptr));
Extsym* mkext Argdcl((char*, char*));
Extsym* mkext1 Argdcl((char*, char*));
Addrp mkfield Argdcl((Addrp, char*, int));
tagptr mkfunct Argdcl((tagptr));
tagptr mkintcon Argdcl((long));
tagptr mklhs Argdcl((struct Primblock*, int));
tagptr mklogcon Argdcl((int));
Namep mkname Argdcl((char*));
Addrp mkplace Argdcl((Namep));
tagptr mkprim Argdcl((Namep, struct Listblock*, chainp));
tagptr mkrealcon Argdcl((int, char*));
Addrp mkscalar Argdcl((Namep));
void mkstfunct Argdcl((struct Primblock*, tagptr));
tagptr mkstrcon Argdcl((int, char*));
Addrp mktmp Argdcl((int, tagptr));
Addrp mktmp0 Argdcl((int, tagptr));
Addrp mktmpn Argdcl((int, int, tagptr));
void namelist Argdcl((Namep));
int ncat Argdcl((expptr));
void negate_const Argdcl((Constp));
void new_endif(Void);
Extsym* newentry Argdcl((Namep, int));
int newlabel(Void);
void newproc(Void);
Addrp nextdata Argdcl((long*));
void nice_printf Argdcl((FILEP, char*, ...));
void not_both Argdcl((char*));
void np_init(Void);
int oneof_stg Argdcl((Namep, int, int));
int op_assign Argdcl((int));
tagptr opconv Argdcl((tagptr, int));
FILEP opf Argdcl((char*, char*));
void out_addr Argdcl((FILEP, Addrp));
void out_asgoto Argdcl((FILEP, tagptr));
void out_call Argdcl((FILEP, int, int, tagptr, tagptr, tagptr));
void out_const Argdcl((FILEP, Constp));
void out_else Argdcl((FILEP));
void out_for Argdcl((FILEP, tagptr, tagptr, tagptr));
void out_init(Void);
void outbuf_adjust(Void);
void p1_label Argdcl((long));
void prcona Argdcl((FILEP, long));
void prconi Argdcl((FILEP, long));
void prconr Argdcl((FILEP, Constp, int));
void procinit(Void);
void procode Argdcl((FILEP));
void prolog Argdcl((FILEP, chainp));
void protowrite Argdcl((FILEP, int, char*, struct Entrypoint*, chainp));
expptr prune_left_conv Argdcl((expptr));
int put_one_arg Argdcl((int, char*, char**, char*, char*));
expptr putassign Argdcl((expptr, expptr));
Addrp putchop Argdcl((tagptr));
void putcmgo Argdcl((tagptr, int, struct Labelblock**));
Addrp putconst Argdcl((Constp));
tagptr putcxop Argdcl((tagptr));
void puteq Argdcl((expptr, expptr));
void putexpr Argdcl((expptr));
void puthead Argdcl((char*, int));
void putif Argdcl((tagptr, int));
void putout Argdcl((tagptr));
expptr putsteq Argdcl((Addrp, Addrp));
void putwhile Argdcl((tagptr));
tagptr putx Argdcl((tagptr));
void r8fix(Void);
int rdlong Argdcl((FILEP, long*));
int rdname Argdcl((FILEP, ptr, char*));
void read_Pfiles Argdcl((char**));
Addrp realpart Argdcl((Addrp));
chainp revchain Argdcl((chainp));
int same_expr Argdcl((tagptr, tagptr));
int same_ident Argdcl((tagptr, tagptr));
void save_argtypes Argdcl((chainp, Argtypes**, Argtypes**, int, char*, int, int, int, int));
void saveargtypes Argdcl((Exprp));
void set_externs(Void);
void set_tmp_names(Void);
void setbound Argdcl((Namep, int, struct Dims*));
void setdata Argdcl((Addrp, Constp, long));
void setext Argdcl((Namep));
void setfmt Argdcl((struct Labelblock*));
void setimpl Argdcl((int, long, int, int));
void setintr Argdcl((Namep));
void settype Argdcl((Namep, int, long));
void sigcatch Argdcl((int));
void start_formatting(Void);
void startioctl(Void);
void startproc Argdcl((Extsym*, int));
void startrw(Void);
char* string_num Argdcl((char*, long));
int struct_eq Argdcl((chainp, chainp));
tagptr subcheck Argdcl((Namep, tagptr));
tagptr suboffset Argdcl((struct Primblock*));
int type_fixup Argdcl((Argtypes*, Atype*, int));
void unamstring Argdcl((Addrp, char*));
void unclassifiable(Void);
void vardcl Argdcl((Namep));
void warn Argdcl((char*));
void warn1 Argdcl((char*, char*));
void warni Argdcl((char*, int));
void wr_abbrevs Argdcl((FILEP, int, chainp));
char* wr_ardecls Argdcl((FILE*, struct Dimblock*, long));
void wr_array_init Argdcl((FILEP, int, chainp));
void wr_common_decls Argdcl((FILEP));
void wr_equiv_init Argdcl((FILEP, int, chainp*, int));
void wr_globals Argdcl((FILEP));
void wr_nv_ident_help Argdcl((FILEP, Addrp));
void wr_struct Argdcl((FILEP, chainp));
void wronginf Argdcl((Namep));
void yyerror Argdcl((char*));
int yylex(Void);
int yyparse(Void);
#ifdef USE_DTOA
#define atof(x) strtod(x,0)
void g_fmt Argdcl((char*, double));
#endif