ALGOL W - Programming language

ALGOL W is a programming language created in 1966 by Niklaus Wirth and Tony Hoare.

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ALGOL W is a programming language. It is based on a proposal for ALGOL X by Niklaus Wirth and Tony Hoare as a successor to ALGOL 60 in IFIP Working Group 2.1. When the committee decided that the proposal was not a sufficient advance over ALGOL 60, the proposal was published as A contribution to the development of ALGOL. Read more on Wikipedia...

Tags: programming language
Early development of ALGOL W happened in Stanford University
ALGOL 60 influenced the design of ALGOL W
ALGOL W on HOPL
See also: (3 related languages) ALGOL 60, Pascal, Modula-2

Example from hello-world:

begin
    write( "Hello World" )
end.

Example from Wikipedia:

RECORD PERSON (
    STRING(20) NAME;
    INTEGER AGE;
    LOGICAL MALE;
    REFERENCE(PERSON) FATHER, MOTHER, YOUNGESTOFFSPRING, ELDERSIBLING
);

REFERENCE(PERSON) PROCEDURE YOUNGESTUNCLE (REFERENCE(PERSON) R);
    BEGIN
        REFERENCE(PERSON) P, M;
        P := YOUNGESTOFFSPRING(FATHER(FATHER(R)));
        WHILE (P ¬= NULL) AND (¬ MALE(P)) OR (P = FATHER(R)) DO
            P := ELDERSIBLING(P);
        M := YOUNGESTOFFSPRING(MOTHER(MOTHER(R)));
        WHILE (M ¬= NULL) AND (¬ MALE(M)) DO
            M := ELDERSIBLING(M);
        IF P = NULL THEN
            M
        ELSE IF M = NULL THEN
            P
        ELSE
            IF AGE(P) < AGE(M) THEN P ELSE M
    END

Language features

Feature	Supported	Example	Token
Strings	✓	"Hello world"	"
Print() Debugging	✓		write