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Samples of semantic error messages generated by the semantic routines
that process attribute values.  Also, examples of integer overflow.
Line numbers and statement counts are approximate.
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Enter file name for reading: -
Successfully opened input stream '-'
PARSER: Now parsing '-' to 'STDOUT'
scanner_init: The Scanner defines 18 token types
scanner_init: Reading from '-'.

print 1/0;
a.out: File - Line 1: Dividing 1 by zero
a.out: File - Line 1: Skipped to Semicolon ';'

print 1+"abc";
a.out: File - Line 2: Non-numeric operand(s): Unsigned Integer '1' and/or String 'abc'
a.out: File - Line 2: Skipped to Semicolon ';'

print -"abc";
a.out: File - Line 3:Cannot negate non-number String 'abc'
a.out: File - Line 3: Skipped to Semicolon ';'

print 999999999999999999999999999999, " overflow!\n";
1073741823 overflow!

print 000000000000000000000000000001, "\n";
1

scanner_term: The Scanner terminated in '-' at line 6
PARSER: Parsed 2 statements from '-' to 'STDOUT'.
PARSER: File - had 3 errors.
Returned from parsing '-'



Enter file name for reading: -
Successfully opened input stream '-'
PARSER: Now parsing '-' to 'STDOUT'
scanner_init: The Scanner defines 18 token types
scanner_init: Reading from '-'.
print "aksdhfkah^Z

a.out: Lexical error in file '-' lexeme 'aksdhfkah' on character '<EOF>'
a.out: File - Line 1: Expecting Identifier, Unsigned Integer, or Left Parenthesis; found Error 'aksdhfkah'
a.out: File - Line 1: Skipping over Error 'aksdhfkah'
a.out: File - Line 1: Skipped to EOF ''
scanner_term: The Scanner terminated in '-' at line 1
PARSER: Parsed 0 statements from '-' to 'STDOUT'.
PARSER: File - had 1 errors.
Returned from parsing '-'