Backward compatibility for SWI-Prolog 6.6.6

[jzalacainllanes]

Uploading debugger.txt…
Hi. I test VSC-Prolog with SWI-Prolog 6.6.6 and this was the raised error when execute a prolog file.

ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:17:21: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:35:27: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:62:30: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:84:16: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:95:13: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:101:29: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:134:38: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:146:32: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:155:16: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:192:31: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:216:13: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:231:10: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:263:59: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:447:10: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:454:27: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:459:27: Syntax error: Operator expected
ERROR: ../.vscode/extensions/arthurwang.vsc-prolog-0.8.23/out/src/features/debugger.pl:13: Initialization goal raised exception:
ERROR: catch/3: Undefined procedure: prolog_debugger:init/0
true.

ERROR: prolog_debugger:setup_file_lines_chars/1: Undefined procedure: prolog_debugger:read_file_to_string/3
ERROR: prolog_trace_interception/4: Undefined procedure: prolog_debugger:locate_source/1