static struct { expptr lb, ub; } dims[MAXDIM+1];
static struct Labelblock *labarray[MAXLABLIST];
static int lastwasbranch = NO;
static int thiswasbranch = NO;
expptr mklogcon(), mkaddcon(), mkrealcon(), mkstrcon(), mkbitcon();
struct Listblock *mklist();
struct Listblock *mklist();
struct Impldoblock *mkiodo();
struct Extsym *comblock();
/* Specify precedences and associativities. */
struct Labelblock *labval;
struct Nameblock *namval;
%nonassoc SLT SGT SLE SGE SEQ SNE
%type <labval> thislabel label assignlabel
%type <tagval> other inelt
%type <ival> lengspec type typespec typename dcl letter addop relop stop nameeq
%type <charpval> filename
%type <chval> datavar datavarlist namelistlist funarglist funargs dospec
%type <chval> callarglist arglist args exprlist inlist outlist out2 substring
%type <namval> name arg call var
%type <expval> lhs expr uexpr opt_expr fexpr unpar_fexpr
%type <expval> ubound simple value callarg complex_const simple_const bit_const
%type <extval> common comblock entryname progname
{ if($1 && ($1->labelno==dorange))
if(lastwasbranch && thislabel==NULL)
warn("statement cannot be reached");
lastwasbranch = thiswasbranch;
if($1->labtype == LABFORMAT)
err("label already that of a format");
| thislabel SINCLUDE filename
| thislabel SEND end_spec
{ lastwasbranch = NO; endproc(); }
{ execerr("unclassifiable statement", CNULL); flline(); };
{ flline(); needkwd = NO; inioctl = NO;
p2pass( stabdline(N_SLINE, lineno) );
sprintf(buff,"LL%d", ++dbglabel);
p2pass( stabline(0, N_SLINE, lineno, buff) );
p2pi("LL%d:\n", dbglabel);
$$ = thislabel = mklabel(yystno);
puthead(CNULL, procclass);
if(thislabel->labdefined)
execerr("label %s already defined",
convic(thislabel->stateno) );
if(thislabel->blklevel!=0 && thislabel->blklevel<blklevel
&& thislabel->labtype!=LABFORMAT)
warn1("there is a branch to label %s from outside block",
convic( (ftnint) (thislabel->stateno) ) );
thislabel->blklevel = blklevel;
thislabel->labdefined = YES;
if(thislabel->labtype != LABFORMAT)
putlabel(thislabel->labelno);
else $$ = thislabel = NULL;
entry: SPROGRAM new_proc progname
{startproc($3, CLMAIN); }
| SBLOCK new_proc progname
{ if($3) NO66("named BLOCKDATA");
startproc($3, CLBLOCK); }
| SSUBROUTINE new_proc entryname arglist
{ entrypt(CLPROC, TYSUBR, (ftnint) 0, $3, $4); }
| SFUNCTION new_proc entryname arglist
{ entrypt(CLPROC, TYUNKNOWN, (ftnint) 0, $3, $4); }
| type SFUNCTION new_proc entryname arglist
{ entrypt(CLPROC, $1, varleng, $4, $5); }
| SENTRY entryname arglist
{ if(parstate==OUTSIDE || procclass==CLMAIN
execerr("misplaced entry statement", CNULL);
entrypt(CLENTRY, 0, (ftnint) 0, $2, $3);
{ $$ = mkname(toklen, token); }
{ NO66(" () argument list");
{ $$ = ($1 ? mkchain($1,CHNULL) : CHNULL ); }
{ if($3) $1 = $$ = hookup($1, mkchain($3,CHNULL)); }
{ if($1->vstg!=STGUNKNOWN && $1->vstg!=STGARG)
dclerr("name declared as argument after use", $1);
{ NO66("altenate return argument");
$$ = 0; substars = YES; }
s = copyn(toklen+1, token);