HP SunSoft Pascal 4.0 Bedienungsanleitung PDF herunterladen (Seite 233)

Error Diagnostics 209

Expected and Unexpected End-of-ﬁle

If pc ﬁnds a complete program, but there is more (noncomment) text in the

input ﬁle, then it indicates that an end-of-ﬁle is expected. This situation may

occur after a bracketing error, or if too many ends are present in the input. The

message may appear after the recovery says that it Expected '.' because a

period (.) is the symbol that terminates a program.

If severe errors in the input prohibit further processing, pc may produce a

diagnostic message followed by QUIT. Examples include unterminated

comments and lines longer than 1,024 characters.

These are the error messages

you receive when you compile

synerr2.p. On line 6,

parentheses are used for

subscripting (as in FORTRAN),

rather than the square brackets

that are used in Pascal.

The compiler noted that a was

not deﬁned as a procedure

(delimited by parentheses in

Pascal). Since you cannot

assign values to procedure

calls, pc diagnosed a

malformed statement at the

point of assignment.

hostname% pc synerr2.p

Mon Feb 13 11:02:04 1995 synerr2.p:

3 integer a(10)

e 18480-------^--- Inserted '['

E 18490-----------------^--- Expected identifier

6 read(b);

E 18420----------------^--- Undefined variable

7 for c := 1 to 10 do

E 18420---------------^--- Undefined variable

8 a(c) := b * c

E 18420---------------^--- Undefined procedure

E 15010 line 1 - File output listed in program statement but not

declared

In program synerr2_example:

E 18240 a undefined on line 8

E 18240 b undefined on lines 6 8

E 18240 c undefined on lines 7 8

The Pascal program, mism.p program mismatch_example(output);

begin

writeln('***');

{ The next line is the last line in the file. }

writeln

1 2 ... 228 229 230 231 232 233 234 235 236 237 238 ... 332 333

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