5 *) |
5 *) |
6 |
6 |
7 signature ML_COMPILER = |
7 signature ML_COMPILER = |
8 sig |
8 sig |
9 type flags = |
9 type flags = |
10 {SML: bool, exchange: bool, redirect: bool, verbose: bool, |
10 {SML_syntax: bool, SML_env: bool, exchange: bool, redirect: bool, verbose: bool, |
11 debug: bool option, writeln: string -> unit, warning: string -> unit} |
11 debug: bool option, writeln: string -> unit, warning: string -> unit} |
12 val debug_flags: bool option -> flags |
12 val debug_flags: bool option -> flags |
13 val flags: flags |
13 val flags: flags |
14 val verbose: bool -> flags -> flags |
14 val verbose: bool -> flags -> flags |
15 val eval: flags -> Position.T -> ML_Lex.token list -> unit |
15 val eval: flags -> Position.T -> ML_Lex.token list -> unit |
19 struct |
19 struct |
20 |
20 |
21 (* flags *) |
21 (* flags *) |
22 |
22 |
23 type flags = |
23 type flags = |
24 {SML: bool, exchange: bool, redirect: bool, verbose: bool, |
24 {SML_syntax: bool, SML_env: bool, exchange: bool, redirect: bool, verbose: bool, |
25 debug: bool option, writeln: string -> unit, warning: string -> unit}; |
25 debug: bool option, writeln: string -> unit, warning: string -> unit}; |
26 |
26 |
27 fun debug_flags opt_debug : flags = |
27 fun debug_flags opt_debug : flags = |
28 {SML = false, exchange = false, redirect = false, verbose = false, |
28 {SML_syntax = false, SML_env = false, exchange = false, redirect = false, verbose = false, |
29 debug = opt_debug, writeln = writeln, warning = warning}; |
29 debug = opt_debug, writeln = writeln, warning = warning}; |
30 |
30 |
31 val flags = debug_flags NONE; |
31 val flags = debug_flags NONE; |
32 |
32 |
33 fun verbose b (flags: flags) = |
33 fun verbose b (flags: flags) = |
34 {SML = #SML flags, exchange = #exchange flags, redirect = #redirect flags, |
34 {SML_syntax = #SML_syntax flags, SML_env = #SML_env flags, exchange = #exchange flags, |
35 verbose = b, debug = #debug flags, writeln = #writeln flags, warning = #warning flags}; |
35 redirect = #redirect flags, verbose = b, debug = #debug flags, |
|
36 writeln = #writeln flags, warning = #warning flags}; |
36 |
37 |
37 |
38 |
38 (* parse trees *) |
39 (* parse trees *) |
39 |
40 |
40 fun breakpoint_position loc = |
41 fun breakpoint_position loc = |
142 |
143 |
143 (* eval ML source tokens *) |
144 (* eval ML source tokens *) |
144 |
145 |
145 fun eval (flags: flags) pos toks = |
146 fun eval (flags: flags) pos toks = |
146 let |
147 let |
147 val space = ML_Env.make_name_space {SML = #SML flags, exchange = #exchange flags}; |
148 val space = ML_Env.make_name_space {SML = #SML_env flags, exchange = #exchange flags}; |
148 val opt_context = Context.thread_data (); |
149 val opt_context = Context.thread_data (); |
149 |
150 |
150 |
151 |
151 (* input *) |
152 (* input *) |
152 |
153 |
153 val location_props = op ^ (YXML.output_markup (":", #props (Position.dest pos))); |
154 val location_props = op ^ (YXML.output_markup (":", #props (Position.dest pos))); |
154 |
155 |
155 val input_explode = |
156 val input_explode = |
156 if #SML flags then String.explode |
157 if #SML_syntax flags then String.explode |
157 else maps (String.explode o Symbol.esc) o Symbol.explode; |
158 else maps (String.explode o Symbol.esc) o Symbol.explode; |
158 |
159 |
159 val input_buffer = |
160 val input_buffer = |
160 Unsynchronized.ref (toks |> map (`(input_explode o ML_Lex.check_content_of))); |
161 Unsynchronized.ref (toks |> map (`(input_explode o ML_Lex.check_content_of))); |
161 |
162 |