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2017-03-08stdlib: improve the erl_anno module's debug testsHans Bolinder
2015-09-15stdlib: Remove deprecated functions in erl_parse and erl_scanHans Bolinder
The recently added module erl_anno can no longer handle negative line numbers.
2015-06-18Change license text to APLv2Bruce Yinhe
2015-05-21stdlib: Optimize erl_anno:is_string/1Björn-Egil Dahlberg
erl_anno:is_string/1 is frequently called from erl_lint and thus affects compile time. Using is_list/1 for is_string/1 is sufficient in this case.
2015-05-14Speed up linting by not traversing filenames in erl_annoJosé Valim
Compilation on Erlang 18.0-rc2 is about 10% slower than in Erlang 17. After some debugging, we have noticed that linting is on average 30% to 50% slower being the main responsible for the performance reduction. Later profiling revealed is_filename/1 to be the biggest culprit. The change in this commit brings compilation times to about the same times as Erlang 17. Note this commit doesn't change the compiler behaviour compared to Erlang 17 because we didn't sanity check the value given to the file annotation in the past. I would say checking the filename is not worth it if it means compilation becomes 10% slower on average. After all, there are many places in the compiler where it will fail if we give it a malformed tree, I wouldn't then special case file annotation.
2015-04-30stdlib: Add module erl_annoHans Bolinder
Introduce erl_anno, an abstraction of the second element of tokens and tuples in the abstract format. The convention that negative line numbers can be used for silencing compiler warnings will no longer work in OTP 19; instead the annotation 'generated' is to be used.