Declarations

Syntax

declaration = numbertype / structuredtype / label / lcl2uhr /
uhr2rmt / pipetype;
numbertype = : ("REAL" / "INTEGER") ("CONSTANT" conlist /
varlist);
conlist =
   .id '(left arrow symbol)constant
   $('. .id '(left arrow symbol)constant);
varlist =
   .id ('(left arrow symbol)constant / .empty)
   $('. .id('(left arrow symbol)constant / .empty));
idlist = .id $('. .id);
structuredtype = (tree" / "pointer" / "buffer" ) idlist;
label = "LABEL1" idlist;
pipetype = PIPE" pairedids $(', pairedids);
pairedids = .id .id;
procname = .id;
integerv = .id;
pipename = .id;
labelv = .id;

Variables which are declared to be constant, may be put in read-only memory at run time.

The label declaration is to declare cells which may contain the machine addresses of labels in the program as their values. This is not the B5500 label declaration.

In the pipe declaration the first .ID of each pair is the name of the pipe, the second is thke initial starting point for the pipe.

Syntax​

Syntax