| 1 | module Test = Tiger_test |
| 2 | |
| 3 | let book = |
| 4 | [ Test.case |
| 5 | "Book test 1: an array type and an array variable" |
| 6 | ~code: |
| 7 | " \ |
| 8 | /* an array type and an array variable */ \ |
| 9 | let \ |
| 10 | type arrtype = array of int \ |
| 11 | var arr1:arrtype := \ |
| 12 | arrtype [10] of 0 \ |
| 13 | in \ |
| 14 | arr1 \ |
| 15 | end \ |
| 16 | " |
| 17 | ~out_lexing:( |
| 18 | let open Tiger_parser 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 | ) |
| 28 | ; Test.case |
| 29 | "Book test 2: arr1 is valid since expression 0 is int = myint" |
| 30 | ~code: |
| 31 | " \ |
| 32 | /* arr1 is valid since expression 0 is int = myint */ \ |
| 33 | let \ |
| 34 | type myint = int \ |
| 35 | type arrtype = array of myint \ |
| 36 | var arr1:arrtype := \ |
| 37 | arrtype [10] of 0 \ |
| 38 | in \ |
| 39 | arr1 \ |
| 40 | end \ |
| 41 | " |
| 42 | ~out_lexing:( |
| 43 | let open Tiger_parser in |
| 44 | [ LET; |
| 45 | TYPE; ID "myint"; EQ; ID "int"; |
| 46 | TYPE; ID "arrtype"; EQ; ARRAY; OF; ID "myint"; |
| 47 | VAR; ID "arr1"; COLON; ID "arrtype"; ASSIGN; |
| 48 | ID "arrtype"; LBRACK; INT 10; RBRACK; OF; INT 0; |
| 49 | IN; |
| 50 | ID "arr1"; |
| 51 | END |
| 52 | ] |
| 53 | ) |
| 54 | ; Test.case |
| 55 | "Book test 3: a record type and a record variable" |
| 56 | ~code: |
| 57 | " \ |
| 58 | /* a record type and a record variable */ \ |
| 59 | let \ |
| 60 | type rectype = \ |
| 61 | { name : string \ |
| 62 | , age : int \ |
| 63 | } \ |
| 64 | var rec1 : rectype := \ |
| 65 | rectype \ |
| 66 | { name = \"Nobody\" \ |
| 67 | , age = 1000 \ |
| 68 | } \ |
| 69 | in \ |
| 70 | rec1.name := \"Somebody\"; \ |
| 71 | rec1 \ |
| 72 | end \ |
| 73 | " |
| 74 | ~out_lexing:( |
| 75 | let open Tiger_parser in |
| 76 | [ LET; |
| 77 | TYPE; ID "rectype"; EQ; |
| 78 | LBRACE; ID "name"; COLON; ID "string"; |
| 79 | COMMA; ID "age"; COLON; ID "int"; |
| 80 | RBRACE; |
| 81 | VAR; ID "rec1"; COLON; ID "rectype"; ASSIGN; |
| 82 | ID "rectype"; |
| 83 | LBRACE; ID "name"; EQ; STRING "Nobody"; |
| 84 | COMMA; ID "age"; EQ; INT 1000; |
| 85 | RBRACE; |
| 86 | IN; |
| 87 | ID "rec1"; DOT; ID "name"; ASSIGN; STRING "Somebody"; SEMICOLON; |
| 88 | ID "rec1"; |
| 89 | END |
| 90 | ] |
| 91 | ) |
| 92 | ; Test.case |
| 93 | "Book test 4: define a recursive function" |
| 94 | ~code: |
| 95 | " \ |
| 96 | /* define a recursive function */ \ |
| 97 | let \ |
| 98 | \ |
| 99 | /* calculate n! */ \ |
| 100 | function nfactor(n: int): int = \ |
| 101 | if n = 0 \ |
| 102 | then 1 \ |
| 103 | else n * nfactor(n-1) \ |
| 104 | \ |
| 105 | in \ |
| 106 | nfactor(10) \ |
| 107 | end \ |
| 108 | " |
| 109 | ~out_lexing:( |
| 110 | let open Tiger_parser in |
| 111 | [ LET; |
| 112 | FUNCTION; ID "nfactor"; LPAREN; ID "n"; COLON; ID "int"; RPAREN; COLON; ID "int"; EQ; |
| 113 | IF; ID "n"; EQ; INT 0; |
| 114 | THEN; INT 1; |
| 115 | ELSE; ID "n"; TIMES; ID "nfactor"; LPAREN; ID "n"; MINUS; INT 1; RPAREN; |
| 116 | IN; |
| 117 | ID "nfactor"; LPAREN; INT 10; RPAREN; |
| 118 | END |
| 119 | ] |
| 120 | ) |
| 121 | ; Test.case |
| 122 | "Book test 9: error : types of then - else differ" |
| 123 | ~code: |
| 124 | " \ |
| 125 | /* error : types of then - else differ */ \ |
| 126 | if (5>4) then 13 else \" \" \ |
| 127 | " |
| 128 | ~out_lexing:( |
| 129 | let open Tiger_parser in |
| 130 | [ IF; LPAREN; INT 5; GT; INT 4; RPAREN; THEN; INT 13; ELSE; STRING " " |
| 131 | ] |
| 132 | ) |
| 133 | ] |
| 134 | |
| 135 | (* |
| 136 | let test_case_from_book_queens = |
| 137 | let code = |
| 138 | "\ |
| 139 | /* A program to solve the 8-queens problem */ \n\ |
| 140 | \n\ |
| 141 | let \n\ |
| 142 | var N := 8 \n\ |
| 143 | \n\ |
| 144 | type intArray = array of int \n\ |
| 145 | \n\ |
| 146 | var row := intArray [ N ] of 0 \n\ |
| 147 | var col := intArray [ N ] of 0 \n\ |
| 148 | var diag1 := intArray [N+N-1] of 0 \n\ |
| 149 | var diag2 := intArray [N+N-1] of 0 \n\ |
| 150 | \n\ |
| 151 | function printboard() = ( \n\ |
| 152 | for i := 0 to N-1 do ( \n\ |
| 153 | for j := 0 to N-1 do print(if col[i]=j then \" O\" else \" .\"); \n\ |
| 154 | print(\"\n\") \n\ |
| 155 | ); \n\ |
| 156 | print(\"\n\") \n\ |
| 157 | ) \n\ |
| 158 | \n\ |
| 159 | function try(c:int) = ( \n\ |
| 160 | /* for i:= 0 to c do print(\".\"); print(\"\n\"); flush();*/ \n\ |
| 161 | if c=N \n\ |
| 162 | then printboard() \n\ |
| 163 | else \n\ |
| 164 | for r := 0 to N-1 \n\ |
| 165 | do \n\ |
| 166 | if row[r]=0 & diag1[r+c]=0 & diag2[r+7-c]=0 \n\ |
| 167 | then ( \n\ |
| 168 | row[r] := 1; \n\ |
| 169 | diag1[r+c] := 1; \n\ |
| 170 | diag2[r+7-c] := 1; \n\ |
| 171 | col[c] := r; \n\ |
| 172 | try(c+1); \n\ |
| 173 | row[r] := 0; \n\ |
| 174 | diag1[r+c] := 0; \n\ |
| 175 | diag2[r+7-c] := 0 \n\ |
| 176 | ) \n\ |
| 177 | ) \n\ |
| 178 | in \n\ |
| 179 | try(0) \n\ |
| 180 | end \n\ |
| 181 | " |
| 182 | in |
| 183 | (code, code, []) |
| 184 | *) |
| 185 | |
| 186 | let micro = |
| 187 | let open Tiger_parser in |
| 188 | [ (let code = "nil" in Test.case code ~code ~out_lexing:[NIL]) |
| 189 | ; (let code = "5" in Test.case code ~code ~out_lexing:[INT 5]) |
| 190 | ; (let code = "-5" in Test.case code ~code ~out_lexing:[MINUS; INT 5]) |
| 191 | ; (let code = "f()" in Test.case code ~code ~out_lexing:[ID "f"; LPAREN; RPAREN]) |
| 192 | ; (let code = "abc.i" in Test.case code ~code ~out_lexing:[ID "abc"; DOT; ID "i"]) |
| 193 | ; (let code = "abc[0]" in Test.case code ~code ~out_lexing:[ID "abc"; LBRACK; INT 0; RBRACK]) |
| 194 | |
| 195 | ; (let code = "abc[0] := foo()" in Test.case code ~code |
| 196 | ~out_lexing: |
| 197 | [ID "abc"; LBRACK; INT 0; RBRACK; ASSIGN; ID "foo"; LPAREN; RPAREN]) |
| 198 | |
| 199 | ; (let code = "abc [5] of nil" in Test.case code ~code |
| 200 | ~out_lexing: |
| 201 | [ID "abc"; LBRACK; INT 5; RBRACK; OF; NIL]) |
| 202 | |
| 203 | ; (let code = "f(\"a\", 3, foo)" in Test.case code ~code |
| 204 | ~out_lexing: |
| 205 | [ID "f"; LPAREN; STRING "a"; COMMA; INT 3; COMMA; ID "foo"; RPAREN]) |
| 206 | ] |
| 207 | |
| 208 | let all = |
| 209 | book @ micro |