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| author | Niclas Eklund <[email protected]> | 2011-01-20 12:14:36 +0100 |
|---|---|---|
| committer | Niclas Eklund <[email protected]> | 2011-01-20 12:14:36 +0100 |
| commit | 0ef3320c556912b4d9f05f89ec47154eb2b5834a (patch) | |
| tree | 6105bc92ce5bd5cb2dd56c0f71e7a92226e89576 /lib/stdlib/src/io.erl | |
| parent | 1bff9d79218bcb3c44737cb2bfefac85c6f0322f (diff) | |
| parent | 86413606615440a7951b4c62162e2bfb87aa158c (diff) | |
| download | otp-0ef3320c556912b4d9f05f89ec47154eb2b5834a.tar.gz otp-0ef3320c556912b4d9f05f89ec47154eb2b5834a.tar.bz2 otp-0ef3320c556912b4d9f05f89ec47154eb2b5834a.zip | |
Merge branch 'maint-r14' of super:otp into nick/ensure_ssh_dir_exists/OTP-9010
Diffstat (limited to 'lib/stdlib/src/io.erl')
| -rw-r--r-- | lib/stdlib/src/io.erl | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl index 1d0f9374bc..78412ab2bc 100644 --- a/lib/stdlib/src/io.erl +++ b/lib/stdlib/src/io.erl @@ -39,6 +39,8 @@ -type device() :: atom() | pid(). -type prompt() :: atom() | string(). +-type error_description() :: term(). % Whatever the io-server sends. +-type request_error() :: {'error',error_description()}. %% XXX: Some uses of line() in this file may need to read erl_scan:location() -type line() :: pos_integer(). @@ -299,32 +301,32 @@ format(Io, Format, Args) -> %% Scanning Erlang code. --spec scan_erl_exprs(prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_exprs(prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_exprs(Prompt) -> scan_erl_exprs(default_input(), Prompt, 1). --spec scan_erl_exprs(device(), prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_exprs(device(), prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_exprs(Io, Prompt) -> scan_erl_exprs(Io, Prompt, 1). --spec scan_erl_exprs(device(), prompt(), line()) -> erl_scan:tokens_result(). +-spec scan_erl_exprs(device(), prompt(), line()) -> erl_scan:tokens_result() | request_error(). scan_erl_exprs(Io, Prompt, Pos0) -> request(Io, {get_until,unicode,Prompt,erl_scan,tokens,[Pos0]}). --spec scan_erl_form(prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_form(prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_form(Prompt) -> scan_erl_form(default_input(), Prompt, 1). --spec scan_erl_form(device(), prompt()) -> erl_scan:tokens_result(). +-spec scan_erl_form(device(), prompt()) -> erl_scan:tokens_result() | request_error(). scan_erl_form(Io, Prompt) -> scan_erl_form(Io, Prompt, 1). --spec scan_erl_form(device(), prompt(), line()) -> erl_scan:tokens_result(). +-spec scan_erl_form(device(), prompt(), line()) -> erl_scan:tokens_result() | request_error(). scan_erl_form(Io, Prompt, Pos0) -> request(Io, {get_until,unicode,Prompt,erl_scan,tokens,[Pos0]}). @@ -335,7 +337,8 @@ scan_erl_form(Io, Prompt, Pos0) -> -type parse_ret() :: {'ok', erl_parse_expr_list(), line()} | {'eof', line()} - | {'error', erl_scan:error_info(), line()}. + | {'error', erl_scan:error_info(), line()} + | request_error(). -spec parse_erl_exprs(prompt()) -> parse_ret(). @@ -364,7 +367,8 @@ parse_erl_exprs(Io, Prompt, Pos0) -> -type parse_form_ret() :: {'ok', erl_parse_absform(), line()} | {'eof', line()} - | {'error', erl_scan:error_info(), line()}. + | {'error', erl_scan:error_info(), line()} + | request_error(). -spec parse_erl_form(prompt()) -> parse_form_ret(). |