58 lines
1.6 KiB
Erlang
58 lines
1.6 KiB
Erlang
-module(aefateasm).
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-export([main/1]).
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-define(OPT_SPEC,
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[ {src_file, undefined, undefined, string, "Fate assembler code file"}
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, {verbose, $v, "verbose", undefined, "Verbose output"}
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, {help, $h, "help", undefined, "Show this message"}
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, {outfile, $o, "out", string, "Output file (experimental)"} ]).
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usage() ->
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getopt:usage(?OPT_SPEC, "aefateasm").
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main(Args) ->
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case getopt:parse(?OPT_SPEC, Args) of
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{ok, {Opts, []}} ->
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case proplists:get_value(help, Opts, false) of
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false ->
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assemble(Opts);
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true ->
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usage()
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end;
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{ok, {_, NonOpts}} ->
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io:format("Can't understand ~p\n\n", [NonOpts]),
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usage();
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{error, {Reason, Data}} ->
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io:format("Error: ~s ~p\n\n", [Reason, Data]),
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usage()
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end.
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assemble(Opts) ->
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case proplists:get_value(src_file, Opts, undefined) of
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undefined ->
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io:format("Error: no input source file\n\n"),
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usage();
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File ->
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assemble(File, Opts)
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end.
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assemble(File, Opts) ->
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Verbose = proplists:get_value(verbose, Opts, false),
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case proplists:get_value(outfile, Opts, undefined) of
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undefined ->
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Asm = aeb_fate_asm:read_file(File),
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{Env, BC} = aeb_fate_asm:asm_to_bytecode(Asm, Opts),
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case Verbose of
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true ->
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io:format("Env: ~0p~n", [Env]);
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false -> ok
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end,
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io:format("Code: ~0p~n", [BC]);
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OutFile ->
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aeb_fate_asm:assemble_file(File, OutFile, Opts)
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end.
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