Commit | Line | Data |
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78c9eca5 SK |
1 | module List = ListLabels |
2 | ||
3 | let test_01 = | |
19284c5d | 4 | let name = "an array type and an array variable" in |
78c9eca5 | 5 | let code = |
8543fc37 | 6 | " \ |
19284c5d | 7 | /* "^name^" */ \ |
8543fc37 SK |
8 | let \ |
9 | type arrtype = array of int \ | |
10 | var arr1:arrtype := \ | |
11 | arrtype [10] of 0 \ | |
12 | in \ | |
13 | arr1 \ | |
14 | end \ | |
78c9eca5 SK |
15 | " |
16 | in | |
17 | let tokens = | |
18 | let open Tiger.Parser.Token in | |
19 | [ LET; | |
20 | TYPE; ID "arrtype"; EQ; ARRAY; OF; ID "int"; | |
21 | VAR; ID "arr1"; COLON; ID "arrtype"; ASSIGN; | |
22 | ID "arrtype"; LBRACK; INT 10; RBRACK; OF; INT 0; | |
23 | IN; | |
24 | ID "arr1"; | |
25 | END | |
26 | ] | |
27 | in | |
19284c5d | 28 | (name, code, tokens) |
8543fc37 SK |
29 | |
30 | let test_02 = | |
19284c5d | 31 | let name = "arr1 is valid since expression 0 is int = myint" in |
8543fc37 SK |
32 | let code = |
33 | " \ | |
19284c5d | 34 | /* "^name^" */ \ |
8543fc37 SK |
35 | let \ |
36 | type myint = int \ | |
37 | type arrtype = array of myint \ | |
b828a6e7 | 38 | var arr1:arrtype := \ |
8543fc37 SK |
39 | arrtype [10] of 0 \ |
40 | in \ | |
41 | arr1 \ | |
42 | end \ | |
43 | " | |
44 | in | |
45 | let tokens = | |
46 | let open Tiger.Parser.Token in | |
47 | [ LET; | |
48 | TYPE; ID "myint"; EQ; ID "int"; | |
49 | TYPE; ID "arrtype"; EQ; ARRAY; OF; ID "myint"; | |
50 | VAR; ID "arr1"; COLON; ID "arrtype"; ASSIGN; | |
51 | ID "arrtype"; LBRACK; INT 10; RBRACK; OF; INT 0; | |
52 | IN; | |
53 | ID "arr1"; | |
54 | END | |
55 | ] | |
56 | in | |
19284c5d | 57 | (name, code, tokens) |
8543fc37 SK |
58 | |
59 | let test_03 = | |
19284c5d | 60 | let name = "a record type and a record variable" in |
8543fc37 SK |
61 | let code = |
62 | " \ | |
19284c5d | 63 | /* "^name^" */ \ |
8543fc37 SK |
64 | let \ |
65 | type rectype = \ | |
66 | { name : string \ | |
67 | , age : int \ | |
68 | } \ | |
69 | var rec1 : rectype := \ | |
70 | rectype \ | |
71 | { name = \"Nobody\" \ | |
72 | , age = 1000 \ | |
73 | } \ | |
74 | in \ | |
75 | rec1.name := \"Somebody\"; \ | |
76 | rec1 \ | |
77 | end \ | |
78 | " | |
79 | in | |
80 | let tokens = | |
81 | let open Tiger.Parser.Token in | |
82 | [ LET; | |
83 | TYPE; ID "rectype"; EQ; | |
84 | LBRACE; ID "name"; COLON; ID "string"; | |
85 | COMMA; ID "age"; COLON; ID "int"; | |
86 | RBRACE; | |
87 | VAR; ID "rec1"; COLON; ID "rectype"; ASSIGN; | |
88 | ID "rectype"; | |
89 | LBRACE; ID "name"; EQ; STRING "Nobody"; | |
90 | COMMA; ID "age"; EQ; INT 1000; | |
91 | RBRACE; | |
92 | IN; | |
93 | ID "rec1"; DOT; ID "name"; ASSIGN; STRING "Somebody"; SEMICOLON; | |
94 | ID "rec1"; | |
95 | END | |
96 | ] | |
97 | in | |
19284c5d | 98 | (name, code, tokens) |
78c9eca5 | 99 | |
1946b457 SK |
100 | let test_04 = |
101 | let name = "define a recursive function" in | |
102 | let code = | |
103 | " \ | |
104 | /* "^name^" */ \ | |
105 | let \ | |
106 | \ | |
107 | /* calculate n! */ \ | |
108 | function nfactor(n: int): int = \ | |
109 | if n = 0 \ | |
110 | then 1 \ | |
111 | else n * nfactor(n-1) \ | |
112 | \ | |
113 | in \ | |
114 | nfactor(10) \ | |
115 | end \ | |
116 | " | |
117 | in | |
118 | let tokens = | |
119 | let open Tiger.Parser.Token in | |
120 | [ LET; | |
121 | FUNCTION; ID "nfactor"; LPAREN; ID "n"; COLON; ID "int"; RPAREN; COLON; ID "int"; EQ; | |
122 | IF; ID "n"; EQ; INT 0; | |
123 | THEN; INT 1; | |
124 | ELSE; ID "n"; TIMES; ID "nfactor"; LPAREN; ID "n"; MINUS; INT 1; RPAREN; | |
125 | IN; | |
126 | ID "nfactor"; LPAREN; INT 10; RPAREN; | |
127 | END | |
128 | ] | |
129 | in | |
130 | (name, code, tokens) | |
131 | ||
78c9eca5 SK |
132 | let tokens_of_code code = |
133 | let lexbuf = Lexing.from_string code in | |
134 | let rec tokens () = | |
135 | match Tiger.Lexer.token lexbuf with | |
b828a6e7 SK |
136 | | None -> [] |
137 | | Some token -> token :: tokens () | |
78c9eca5 SK |
138 | in |
139 | tokens () | |
140 | ||
141 | let tests = | |
142 | [ test_01 | |
8543fc37 SK |
143 | ; test_02 |
144 | ; test_03 | |
1946b457 | 145 | ; test_04 |
78c9eca5 SK |
146 | ] |
147 | ||
148 | let () = | |
8543fc37 SK |
149 | let bar_sep = String.make 80 '-' in |
150 | let bar_end = String.make 80 '=' in | |
858f923a SK |
151 | List.iteri tests ~f:(fun i (name, code, tokens_expected) -> |
152 | let i = i + 1 in (* Because iteri starts with 0 *) | |
8543fc37 | 153 | let open Printf in |
858f923a | 154 | printf "%s\n Test %d : %S\n" bar_sep i name; |
8543fc37 SK |
155 | let tokens_emitted = tokens_of_code code in |
156 | (try | |
157 | assert (tokens_emitted = tokens_expected); | |
858f923a | 158 | print_endline " ---> OK"; |
8543fc37 SK |
159 | with Assert_failure _ -> |
160 | let tokens_to_string tokens = | |
b828a6e7 | 161 | String.concat "; " (List.map ~f:Tiger.Parser.Token.to_string tokens) |
8543fc37 SK |
162 | in |
163 | printf | |
858f923a | 164 | " ---> ERROR\n Expected: %s\n Emitted : %s\n\n" |
8543fc37 SK |
165 | (tokens_to_string tokens_expected) |
166 | (tokens_to_string tokens_emitted) | |
167 | ); | |
168 | ); | |
169 | print_endline bar_end; |