1 (* Title: Pure/ML/ml_test.ML |
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2 Author: Makarius |
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3 |
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4 Test of advanced ML compiler invocation in Poly/ML 5.3 (SVN 762). |
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5 *) |
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6 |
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7 signature ML_TEST = |
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8 sig |
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9 val position_of: Proof.context -> PolyML.location -> Position.T |
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10 val eval: bool -> Position.T -> ML_Lex.token list -> unit |
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11 end |
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12 |
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13 structure ML_Test: ML_TEST = |
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14 struct |
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15 |
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16 (* extra ML environment *) |
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17 |
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18 fun position_of ctxt |
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19 ({file, startLine = line, startPosition = i, endPosition = j, ...}: PolyML.location) = |
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20 (case pairself (ML_Env.token_position ctxt) (i, j) of |
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21 (SOME pos1, SOME pos2) => Position.encode_range (pos1, pos2) |
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22 | (SOME pos, NONE) => pos |
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23 | _ => Position.line_file line file); |
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24 |
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25 |
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26 (* parse trees *) |
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27 |
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28 fun report_parse_tree context depth space = |
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29 let |
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30 val pos_of = position_of (Context.proof_of context); |
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31 fun report loc (PolyML.PTtype types) = |
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32 PolyML.NameSpace.displayTypeExpression (types, depth, space) |
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33 |> pretty_ml |> Pretty.from_ML |> Pretty.string_of |
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34 |> Position.report_text Markup.ML_typing (pos_of loc) |
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35 | report loc (PolyML.PTdeclaredAt decl) = |
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36 Markup.markup (Markup.properties (Position.properties_of (pos_of decl)) Markup.ML_def) "" |
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37 |> Position.report_text Markup.ML_ref (pos_of loc) |
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38 | report _ (PolyML.PTnextSibling tree) = report_tree (tree ()) |
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39 | report _ (PolyML.PTfirstChild tree) = report_tree (tree ()) |
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40 | report _ _ = () |
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41 and report_tree (loc, props) = List.app (report loc) props; |
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42 in report_tree end; |
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43 |
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44 |
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45 (* eval ML source tokens *) |
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46 |
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47 fun use_text ({name_space = space, print, error, ...}: use_context) verbose pos toks = |
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48 let |
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49 (* input *) |
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50 |
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51 val input = Context.>>> (ML_Env.register_tokens toks); |
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52 val input_buffer = ref (map (apsnd (String.explode o ML_Lex.text_of)) input); |
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53 |
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54 val current_line = ref (the_default 1 (Position.line_of pos)); |
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55 |
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56 fun get_index () = |
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57 the_default 0 (get_first (fn (_, []) => NONE | (i, _) => SOME i) (! input_buffer)); |
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58 |
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59 fun get () = |
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60 (case ! input_buffer of |
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61 [] => NONE |
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62 | (_, []) :: rest => (input_buffer := rest; get ()) |
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63 | (i, c :: cs) :: rest => |
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64 (input_buffer := (i, cs) :: rest; |
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65 if c = #"\n" then current_line := ! current_line + 1 else (); |
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66 SOME c)); |
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67 |
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68 |
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69 (* output *) |
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70 |
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71 val output_buffer = ref Buffer.empty; |
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72 fun output () = Buffer.content (! output_buffer); |
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73 fun put s = change output_buffer (Buffer.add s); |
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74 |
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75 fun put_message {message, hard, location, context = _} = |
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76 (put (if hard then "Error: " else "Warning: "); |
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77 put (Pretty.string_of (Pretty.from_ML (pretty_ml message))); |
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78 put (Position.str_of |
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79 (position_of (Context.proof_of (the (Context.thread_data ()))) location) ^ "\n")); |
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80 |
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81 |
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82 (* results *) |
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83 |
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84 val depth = get_print_depth (); |
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85 |
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86 fun apply_result {fixes, types, signatures, structures, functors, values} = |
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87 let |
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88 fun display disp x = |
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89 if depth > 0 then |
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90 (disp x |> pretty_ml |> Pretty.from_ML |> Pretty.string_of |> put; put "\n") |
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91 else (); |
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92 |
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93 fun apply_fix (a, b) = |
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94 (display PolyML.NameSpace.displayFix (a, b); #enterFix space (a, b)); |
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95 fun apply_type (a, b) = |
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96 (display PolyML.NameSpace.displayType (b, depth, space); #enterType space (a, b)); |
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97 fun apply_sig (a, b) = |
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98 (display PolyML.NameSpace.displaySig (b, depth, space); #enterSig space (a, b)); |
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99 fun apply_struct (a, b) = |
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100 (display PolyML.NameSpace.displayStruct (b, depth, space); #enterStruct space (a, b)); |
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101 fun apply_funct (a, b) = |
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102 (display PolyML.NameSpace.displayFunct (b, depth, space); #enterFunct space (a, b)); |
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103 fun apply_val (a, b) = |
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104 (display PolyML.NameSpace.displayVal (b, depth, space); #enterVal space (a, b)); |
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105 in |
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106 List.app apply_fix fixes; |
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107 List.app apply_type types; |
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108 List.app apply_sig signatures; |
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109 List.app apply_struct structures; |
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110 List.app apply_funct functors; |
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111 List.app apply_val values |
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112 end; |
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113 |
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114 fun result_fun (phase1, phase2) () = |
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115 (case phase1 of NONE => () |
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116 | SOME parse_tree => report_parse_tree (the (Context.thread_data ())) depth space parse_tree; |
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117 case phase2 of NONE => error "Static Errors" |
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118 | SOME code => apply_result (Toplevel.program code)); |
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119 |
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120 |
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121 (* compiler invocation *) |
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122 |
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123 val parameters = |
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124 [PolyML.Compiler.CPOutStream put, |
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125 PolyML.Compiler.CPNameSpace space, |
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126 PolyML.Compiler.CPErrorMessageProc put_message, |
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127 PolyML.Compiler.CPLineNo (fn () => ! current_line), |
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128 PolyML.Compiler.CPFileName (the_default "ML" (Position.file_of pos)), |
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129 PolyML.Compiler.CPLineOffset get_index, |
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130 PolyML.Compiler.CPCompilerResultFun result_fun]; |
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131 val _ = |
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132 (while not (List.null (! input_buffer)) do |
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133 PolyML.compiler (get, parameters) ()) |
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134 handle exn => |
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135 (put ("Exception- " ^ General.exnMessage exn ^ " raised"); |
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136 error (output ()); raise exn); |
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137 in if verbose then print (output ()) else () end; |
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138 |
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139 val eval = use_text ML_Env.local_context; |
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140 |
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141 |
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142 (* ML test command *) |
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143 |
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144 fun ML_test (txt, pos) = |
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145 let |
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146 val _ = Position.report Markup.ML_source pos; |
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147 val ants = ML_Lex.read_antiq (Symbol_Pos.explode (txt, pos), pos); |
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148 val ((env, body), env_ctxt) = ML_Context.eval_antiquotes (ants, pos) (Context.thread_data ()); |
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149 |
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150 val _ = Context.setmp_thread_data env_ctxt |
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151 (fn () => (eval false Position.none env; Context.thread_data ())) () |
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152 |> (fn NONE => () | SOME context' => Context.>> (ML_Env.inherit context')); |
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153 val _ = eval true pos body; |
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154 val _ = eval false Position.none (ML_Lex.tokenize "structure Isabelle = struct end"); |
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155 in () end; |
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156 |
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157 |
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158 local structure P = OuterParse and K = OuterKeyword in |
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159 |
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160 fun propagate_env (context as Context.Proof lthy) = |
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161 Context.Proof (LocalTheory.map_contexts (ML_Env.inherit context) lthy) |
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162 | propagate_env context = context; |
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163 |
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164 val _ = |
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165 OuterSyntax.command "ML_test" "advanced ML compiler test" (K.tag_ml K.thy_decl) |
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166 (P.ML_source >> (fn src => |
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167 Toplevel.generic_theory (ML_Context.exec (fn () => ML_test src) #> propagate_env))); |
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168 |
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169 end; |
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170 |
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171 end; |
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172 |
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