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8a19f60386
- Reorder README to have implementation list after "learning tool" bullet. - This also moves tests/ and libs/ into impls. It would be preferrable to have these directories at the top level. However, this causes difficulties with the wasm implementations which need pre-open directories and have trouble with paths starting with "../../". So in lieu of that, symlink those directories to the top-level. - Move the run_argv_test.sh script into the tests directory for general hygiene.
45 lines
932 B
Ada
45 lines
932 B
Ada
with Ada.Text_IO;
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with Printer;
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with Reader;
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with Types;
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procedure Step1_Read_Print is
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function Read (Param : String) return Types.Mal_Handle is
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begin
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return Reader.Read_Str (Param);
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end Read;
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function Eval (Param : Types.Mal_Handle) return Types.Mal_Handle is
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begin
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return Param;
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end Eval;
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function Print (Param : Types.Mal_Handle) return String is
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begin
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return Printer.Pr_Str (Param);
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end Print;
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function Rep (Param : String) return String is
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AST, Evaluated_AST : Types.Mal_Handle;
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begin
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AST := Read (Param);
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if Types.Is_Null (AST) then
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return "";
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else
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Evaluated_AST := Eval (AST);
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return Print (Evaluated_AST);
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end if;
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end Rep;
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begin
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loop
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Ada.Text_IO.Put ("user> ");
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exit when Ada.Text_IO.End_Of_File;
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Ada.Text_IO.Put_Line (Rep (Ada.Text_IO.Get_Line));
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end loop;
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end Step1_Read_Print;
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