test1.txt
// Function with Arithmetic Expression
function main returns integer;
begin
7 + 2 * (5 + 4);
end;
test2.txt
// Function with a lexical error
function main returns integer;
begin
7 * 2 $ (2 + 4);
end;
test3.txt
// Punctuation symbols
,;() =>
// Identifier
name name123
// Literals
123 ‘a’
// Logical operator
&
// Relational operator
<
// Arithmetic operators
+ *
// Reserved words
begin case character end endswitch function is integer list of returns switch when
test4.txt
// Function with All Reserved Words
function main returns character;
number: real is when 2 < 3, 0 : 1;
values: list of integer is (4, 5, 6);
begin
if number < 6.3 then
fold left + (1, 2, 3) endfold;
elsif 6 < 7 then
fold right + values endfold;
else
switch a is
case 1 => number + 2;
case 2 => number * 3;
others => number;
endswitch;
endif;
end;
test5.txt
// Program Containing the New Operators
function main b: integer, c: integer returns integer;
a: integer is 3;
begin
if (a < 2) | (a > 0) & (~b <> 0) then
7 – 2 / (9 % 4);
else
if b >= 2 | b <= 6 & !(c = 1) then
7 + 2 * (2 + 4);
else
a ^ 2;
endif;
endif;
end;
test6.txt
// Program Containing the New Comment, Modified Identifier
// and Real Literal and Hex and Character Literals
— This is the new style comment
function main b: integer, c: integer returns integer;
a: real is .3;
d: real is 5.7;
a__1: real is .4e2;
ab_c_d: real is 4.3E+1;
ab1_cd2: real is 4.5e-1;
hex: integer is #2aF;
char1: character is ‘C’;
char2: character is ‘\n’;
begin
hex + 2;
end;
test7.txt
// Function with Two Lexical Errors
function main returns integer;
begin
7 $ 2 ? (2 + 4);
end;
test8.txt
— Punctuation symbols
,:;() =>
// Valid identifiers
name_1
name_1__a2_ab3
// Invalid identifiers
name___2
_name3
name4_
// Integer Literals
23 #3aD
// Real Literals
123.45 .123 1.2E2 .1e+2 1.2E-2
// Character Literals
‘A’ ‘\n’
// Logical operators
& | !
// Relational operators
= <> > >= < <=
// Arithmetic operators
+ – * / % ^ ~
// Reserved words
begin case character else elsif end endcase endfold endif endswitch
fold function if integer is left list of others real returns right
switch then when
