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| author | Patrik Nyblom <[email protected]> | 2010-12-29 15:54:17 +0100 |
|---|---|---|
| committer | Patrik Nyblom <[email protected]> | 2010-12-29 15:54:17 +0100 |
| commit | 3efa951f5acb6014fd48b9dd8c8d8f726fd7c58b (patch) | |
| tree | 880dbd7e1a442e5f6d090b710217b2229a1c5804 /lib/stdlib/src/io.erl | |
| parent | b35412e5eed93875a9c8c47fc8dec3392947b986 (diff) | |
| parent | 29424044c3fec94779984ac3c3f9511f9f0ce55a (diff) | |
| download | otp-3efa951f5acb6014fd48b9dd8c8d8f726fd7c58b.tar.gz otp-3efa951f5acb6014fd48b9dd8c8d8f726fd7c58b.tar.bz2 otp-3efa951f5acb6014fd48b9dd8c8d8f726fd7c58b.zip | |
Merge branch 'pan/r14b01-dialyzer-type-corrections' into dev
* pan/r14b01-dialyzer-type-corrections:
Correct type specs in io
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(). |