From 338dbadb08194ef45702773bd0bc0a2c4e0322b1 Mon Sep 17 00:00:00 2001 From: "Eric S. Raymond" Date: Fri, 11 Nov 1994 23:18:27 +0000 Subject: [PATCH] Document all the restrictions. --- READ.ME | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/READ.ME b/READ.ME index 02e9696..7eb7034 100644 --- a/READ.ME +++ b/READ.ME @@ -35,7 +35,6 @@ Makefile -- project makefile cupl.y -- the YACC grammar cupl.l -- the LEX lexical-analyzer description cupl.h -- fundamental types and defines -nodetype.h -- macros encoding semantic knowledge about node types tokdump.c -- token-dumper code (used for debugging) interpret.c -- parse tree interpretation execute.c -- actual execution @@ -57,25 +56,27 @@ test/simplequad.cupl -- simplest version of quadratic equation solver test/squares.cupl -- print a table of squares test/sum.cupl -- compute sum of presented data -For each test file, there is a corresponding parse tree file used for -regression-testing of the compiler. +For each test file, there is a corresponding test file used for +regression-testing of the interpreter. The interpreter should pass +all these tests. Other test files MAKEREGRESS -- generate regression test loads for the front end REGRESS -- perform regression test on the front end - Known problems and bugs: + Known problems and bugs: -* The code chrestomathy doesn't include any matrix algebra examples. +* The code chrestomathy in the CUPL manual didn't include any matrix algebra + examples. Because of this, the matrix algebra facilities are incomplete. + ALLOCATE, INV and DET are not implemented. Neither are subscript/slice + references or assignments. Nor are matrix WRITEs or READs. Nor are the + implemented matrix facilities at all well-tested. * For true verismilitude, a program listing should be output before results. + This is trickier to do in C than it sounds; the lexer doesn't know about + line boundaries. -* The matrix algebra facilities are incomplete. INV and DET are not - implemented. Nor are the implemented matrix facilities at all well-tested, - because the CUPL manual did not include any matrix programs. - -* Matrix WRITE is not yet implemented. - -* For other things to work on, grep for FIXME. +* GOTO blabel END always goes to the end of the current PERFORM block, even + if the label is that of an enclosing block. Send comments, bug reports, and fixes to esr@snark.thyrsus.com. -- 2.43.0