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added target os, added experimental darwin, starting darwin port
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61 changed files with 1517 additions and 21 deletions
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MODULE Args; (* jt, 8.12.94 *)
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(* command line argument handling for ofront *)
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IMPORT SYSTEM;
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TYPE
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ArgPtr = POINTER TO ARRAY 1024 OF CHAR;
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ArgVec = POINTER TO ARRAY 1024 OF ArgPtr;
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VAR argc-, argv-: LONGINT;
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PROCEDURE -Argc(): INTEGER "SYSTEM_argc";
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PROCEDURE -Argv(): LONGINT "(long)SYSTEM_argv";
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PROCEDURE -getenv(var: ARRAY OF CHAR): ArgPtr
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"(Args_ArgPtr)getenv(var)";
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PROCEDURE Get*(n: INTEGER; VAR val: ARRAY OF CHAR);
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VAR av: ArgVec;
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BEGIN
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IF n < argc THEN av := SYSTEM.VAL(ArgVec, argv); COPY(av[n]^, val) END
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END Get;
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PROCEDURE GetInt*(n: INTEGER; VAR val: LONGINT);
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VAR s: ARRAY 64 OF CHAR; k, d, i: LONGINT;
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BEGIN
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s := ""; Get(n, s); i := 0;
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IF s[0] = "-" THEN i := 1 END ;
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k := 0; d := ORD(s[i]) - ORD("0");
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WHILE (d >= 0 ) & (d <= 9) DO k := k*10 + d; INC(i); d := ORD(s[i]) - ORD("0") END ;
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IF s[0] = "-" THEN d := -d; DEC(i) END ;
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IF i > 0 THEN val := k END
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END GetInt;
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PROCEDURE Pos*(s: ARRAY OF CHAR): INTEGER;
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VAR i: INTEGER; arg: ARRAY 256 OF CHAR;
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BEGIN
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i := 0; Get(i, arg);
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WHILE (i < argc) & (s # arg) DO INC(i); Get(i, arg) END ;
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RETURN i
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END Pos;
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PROCEDURE GetEnv*(var: ARRAY OF CHAR; VAR val: ARRAY OF CHAR);
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VAR p: ArgPtr;
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BEGIN
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p := getenv(var);
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IF p # NIL THEN COPY(p^, val) END
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END GetEnv;
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PROCEDURE getEnv*(var: ARRAY OF CHAR; VAR val: ARRAY OF CHAR): BOOLEAN;
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VAR p: ArgPtr;
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BEGIN
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p := getenv(var);
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IF p # NIL THEN
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COPY(p^, val);
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RETURN TRUE
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ELSE
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RETURN FALSE
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END
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END getEnv;
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BEGIN argc := Argc(); argv := Argv()
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END Args.
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