X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=tiger%2Fsrc%2Fexe%2Ftiger_tests.ml;h=d9eb0500e6f2e031379116b483dd79b87a107773;hb=28875fece2374a41510edbef416311c308695774;hp=266797e578ea21994fbfa9728531bda6146fb423;hpb=543d34200923ddd3fedc247b7d663ee46733f0f1;p=tiger.ml.git diff --git a/tiger/src/exe/tiger_tests.ml b/tiger/src/exe/tiger_tests.ml index 266797e..d9eb050 100644 --- a/tiger/src/exe/tiger_tests.ml +++ b/tiger/src/exe/tiger_tests.ml @@ -2,7 +2,7 @@ open Printf module List = ListLabels -let test_01 = +let test_case_from_book_01 = let name = "an array type and an array variable" in let code = " \ @@ -29,7 +29,7 @@ let test_01 = in (name, code, tokens) -let test_02 = +let test_case_from_book_02 = let name = "arr1 is valid since expression 0 is int = myint" in let code = " \ @@ -58,7 +58,7 @@ let test_02 = in (name, code, tokens) -let test_03 = +let test_case_from_book_03 = let name = "a record type and a record variable" in let code = " \ @@ -99,7 +99,7 @@ let test_03 = in (name, code, tokens) -let test_04 = +let test_case_from_book_04 = let name = "define a recursive function" in let code = " \ @@ -131,7 +131,7 @@ let test_04 = in (name, code, tokens) -let test_09 = +let test_case_from_book_09 = let name = "error : types of then - else differ" in let code = " \ @@ -147,36 +147,176 @@ let test_09 = (* TODO: Type error test case *) (name, code, tokens) -let tokens_of_code code = - let lexbuf = Lexing.from_string code in - let rec tokens () = - let token = Tiger.Lexer.token lexbuf in - (* Avoiding fragile pattern-matching *) - if token = Tiger.Parser.EOF then [] else token :: tokens () +(* +let test_case_from_book_queens = + let code = + "\ + /* A program to solve the 8-queens problem */ \n\ + \n\ + let \n\ + var N := 8 \n\ + \n\ + type intArray = array of int \n\ + \n\ + var row := intArray [ N ] of 0 \n\ + var col := intArray [ N ] of 0 \n\ + var diag1 := intArray [N+N-1] of 0 \n\ + var diag2 := intArray [N+N-1] of 0 \n\ + \n\ + function printboard() = ( \n\ + for i := 0 to N-1 do ( \n\ + for j := 0 to N-1 do print(if col[i]=j then \" O\" else \" .\"); \n\ + print(\"\n\") \n\ + ); \n\ + print(\"\n\") \n\ + ) \n\ + \n\ + function try(c:int) = ( \n\ + /* for i:= 0 to c do print(\".\"); print(\"\n\"); flush();*/ \n\ + if c=N \n\ + then printboard() \n\ + else \n\ + for r := 0 to N-1 \n\ + do \n\ + if row[r]=0 & diag1[r+c]=0 & diag2[r+7-c]=0 \n\ + then ( \n\ + row[r] := 1; \n\ + diag1[r+c] := 1; \n\ + diag2[r+7-c] := 1; \n\ + col[c] := r; \n\ + try(c+1); \n\ + row[r] := 0; \n\ + diag1[r+c] := 0; \n\ + diag2[r+7-c] := 0 \n\ + ) \n\ + ) \n\ + in \n\ + try(0) \n\ + end \n\ + " in - tokens () + (code, code, []) +*) -let parsetree_of_code code = - let lb = Lexing.from_string code in - (match Tiger.Parser.program Tiger.Lexer.token lb with - | exception Parsing.Parse_error -> - let module L = Lexing in - let L.({lex_curr_p = {pos_lnum=l; pos_bol=b; pos_cnum=c; _}; _}) = lb in - let msg = sprintf "Syntax error around line: %d, column: %d" l (c - b) in - Error msg - | parsetree -> - Ok parsetree - ) +let test_cases_from_book = + [ test_case_from_book_01 + ; test_case_from_book_02 + ; test_case_from_book_03 + ; test_case_from_book_04 + ; test_case_from_book_09 + (*; test_case_from_book_queens*) + ] -let tests = - [ test_01 - ; test_02 - ; test_03 - ; test_04 - ; test_09 +let tests_micro_cases = + let open Tiger.Parser in + [ ( + let code = + "nil" + in + let tokens = + [NIL] + in + (code, code, tokens) + ) + ; ( + let code = + "5" + in + let tokens = + [INT 5] + in + (code, code, tokens) + ) + ; ( + let code = + "-5" + in + let tokens = + [MINUS; INT 5] + in + (code, code, tokens) + ) + ; ( + let code = + "f()" + in + let tokens = + [ID "f"; LPAREN; RPAREN] + in + (code, code, tokens) + ) + ; ( + let code = + "f(\"a\", 3, foo)" + in + let tokens = + [ID "f"; LPAREN; STRING "a"; COMMA; INT 3; COMMA; ID "foo"; RPAREN] + in + (code, code, tokens) + ) + ; ( + let code = + "abc.i" + in + let tokens = + [ID "abc"; DOT; ID "i"] + in + (code, code, tokens) + ) + ; ( + let code = + "abc [5] of nil" + in + let tokens = + [ID "abc"; LBRACK; INT 5; RBRACK; OF; NIL] + in + (code, code, tokens) + ) + ; ( + let code = + "abc[0]" + in + let tokens = + [ID "abc"; LBRACK; INT 0; RBRACK] + in + (code, code, tokens) + ) + ; ( + let code = + "abc[0] := foo()" + in + let tokens = + [ID "abc"; LBRACK; INT 0; RBRACK; ASSIGN; ID "foo"; LPAREN; RPAREN] + in + (code, code, tokens) + ) ] +let tests = + test_cases_from_book @ tests_micro_cases + let () = + let tokens_of_code code = + let lexbuf = Lexing.from_string code in + let rec tokens () = + let token = Tiger.Lexer.token lexbuf in + (* Avoiding fragile pattern-matching *) + if token = Tiger.Parser.EOF then [] else token :: tokens () + in + tokens () + in + let parsetree_of_code code = + let lb = Lexing.from_string code in + (match Tiger.Parser.program Tiger.Lexer.token lb with + | exception Parsing.Parse_error -> + let module L = Lexing in + let L.({lex_curr_p = {pos_lnum=l; pos_bol=b; pos_cnum=c; _}; _}) = lb in + let msg = sprintf "Syntax error around line: %d, column: %d" l (c - b) in + Error msg + | absyn -> + Ok (Tiger.Absyn.to_string absyn) + ) + in let bar_sep = String.make 80 '-' in let bar_end = String.make 80 '=' in let indent n = String.make (2 * n) ' ' in