'Ref int' presentation slideshows

On Orthogonality

n. *. *. *. m. On Orthogonality. What makes orthogonality work? by remembering only m + n things, we get m * n capabilities. Orthogonality says that no point should be definable by more than one XY pair. Orthogonality advantageous only if: m+n + e < m*n - e. ALGOL68.

397 views • 39 slides

Subprograms

Subprograms. A subprogram allows process abstraction (as opposed to data abstraction). Characteristics single entry point caller suspended until control returns from subprogram control returns to caller when subprogram terminates only if subprogram terminates normally

393 views • 28 slides

Honors Compilers

Honors Compilers. An Introduction to Algol-68S Jan 24 th 2002. Closed-Clause (Block). Closed-clause is basic unit of language begin declarations and statements end begin/end can be replaced by () No termination semicolon Semicolon is a separator NOT a terminator

315 views • 24 slides

Fun with Attributes for the Novice and Expert

358 views • 17 slides

Algol 68

Algol 68. Third language in the Algol Language Family An extension to Algol 60's capabilities Code blocks Variable Scopes Algol 68 was known for its orthogonality The goal was to develop a language with few language restrictions. Intended to make the language easier to learn. Algol 68.

497 views • 6 slides