# The human-readable description of the message.
#
- # It should be short and fit on a single line.
- # It should also have meaningful information first in case
- # on truncation by an IDE for instance.
+ # eg. "Error: cannot find method `foo`."
+ #
+ # A good message should:
+ #
+ # * start with a message type like "Error:", "Syntax Error:", "Warning:".
+ # The type is capitalized and terminated by a column.
+ # The rest on the message starts with a lowercase letter and is terminated with a dot.
+ #
+ # * be short and fit on a single line.
+ #
+ # * have meaningful information first.
+ # This helps the reader and remain usable
+ # when truncated, by an IDE for instance.
+ #
+ # * enclose identifiers, keywords and pieces of code with back-quotes.
var text: String
# Comparisons are made on message locations.
return location.as(not null) < other.location.as(not null)
end
+ redef fun ==(other): Bool do
+ if not other isa Message then return false
+ return location == other.location and tag == other.tag and text == other.text
+ end
+
redef fun to_s: String
do
var l = location
end
# Display an error
- fun error(l: nullable Location, s: String)
+ #
+ # Return the message (to add information)
+ fun error(l: nullable Location, s: String): Message
do
var m = new Message(l,null,s)
+ if messages.has(m) then return m
if l != null then l.add_message m
messages.add m
error_count = error_count + 1
if opt_stop_on_first_error.value then check_errors
+ return m
end
# Add an error, show errors and quit
+ #
+ # Because the program will quit, nothing is returned.
fun fatal_error(l: nullable Location, s: String)
do
error(l,s)
# * They always are real issues (no false positive)
#
# First-level warnings are displayed by default (except if option `-q` is given).
- fun warning(l: nullable Location, tag: String, text: String)
+ #
+ # Return the message (to add information) or null if the warning is disabled
+ fun warning(l: nullable Location, tag: String, text: String): nullable Message
do
- if opt_warning.value.has("no-{tag}") then return
- if not opt_warning.value.has(tag) and opt_warn.value == 0 then return
- if is_warning_blacklisted(l, tag) then return
+ if opt_warning.value.has("no-{tag}") then return null
+ if not opt_warning.value.has(tag) and opt_warn.value == 0 then return null
+ if is_warning_blacklisted(l, tag) then return null
var m = new Message(l, tag, text)
+ if messages.has(m) then return null
if l != null then l.add_message m
messages.add m
warning_count = warning_count + 1
if opt_stop_on_first_error.value then check_errors
+ return m
end
# Display a second-level warning.
#
# In order to prevent warning inflation à la Java, second-level warnings are not displayed by
# default and require an additional option `-W`.
- fun advice(l: nullable Location, tag: String, text: String)
+ #
+ # Return the message (to add information) or null if the warning is disabled
+ fun advice(l: nullable Location, tag: String, text: String): nullable Message
do
- if opt_warning.value.has("no-{tag}") then return
- if not opt_warning.value.has(tag) and opt_warn.value <= 1 then return
- if is_warning_blacklisted(l, tag) then return
+ if opt_warning.value.has("no-{tag}") then return null
+ if not opt_warning.value.has(tag) and opt_warn.value <= 1 then return null
+ if is_warning_blacklisted(l, tag) then return null
var m = new Message(l, tag, text)
+ if messages.has(m) then return null
if l != null then l.add_message m
messages.add m
warning_count = warning_count + 1
if opt_stop_on_first_error.value then check_errors
+ return m
end
# Display an info
# Option --stop-on-first-error
var opt_stop_on_first_error = new OptionBool("Stop on first error", "--stop-on-first-error")
+ # Option --keep-going
+ var opt_keep_going = new OptionBool("Continue after errors, whatever the consequences", "--keep-going")
+
# Option --no-color
var opt_no_color = new OptionBool("Do not use color to display errors and warnings", "--no-color")
init
do
- option_context.add_option(opt_warn, opt_warning, opt_quiet, opt_stop_on_first_error, opt_no_color, opt_log, opt_log_dir, opt_nit_dir, opt_help, opt_version, opt_set_dummy_tool, opt_verbose, opt_bash_completion, opt_stub_man)
+ option_context.add_option(opt_warn, opt_warning, opt_quiet, opt_stop_on_first_error, opt_keep_going, opt_no_color, opt_log, opt_log_dir, opt_nit_dir, opt_help, opt_version, opt_set_dummy_tool, opt_verbose, opt_bash_completion, opt_stub_man)
# Hide some internal options
opt_stub_man.hidden = true
# Set verbose level
verbose_level = opt_verbose.value
+ if opt_keep_going.value then keep_going = true
+
if self.opt_quiet.value then self.opt_warn.value = 0
if opt_log_dir.value != null then log_directory = opt_log_dir.value.as(not null)
var res = opt_nit_dir.value
if res != null then
if not check_nit_dir(res) then
- fatal_error(null, "Fatal Error: the value of --nit-dir does not seem to be a valid base Nit directory: {res}")
+ fatal_error(null, "Fatal Error: the value of --nit-dir does not seem to be a valid base Nit directory: {res}.")
end
return res
end
res = "NIT_DIR".environ
if not res.is_empty then
if not check_nit_dir(res) then
- fatal_error(null, "Fatal Error: the value of NIT_DIR does not seem to be a valid base Nit directory: {res}")
+ fatal_error(null, "Fatal Error: the value of NIT_DIR does not seem to be a valid base Nit directory: {res}.")
end
return res
end
if check_nit_dir(res) then return res.simplify_path
end
- fatal_error(null, "Fatal Error: Cannot locate a valid base nit directory. It is quite unexpected. Try to set the environment variable `NIT_DIR` or to use the `--nit-dir` option.")
+ fatal_error(null, "Fatal Error: cannot locate a valid base Nit directory. It is quite unexpected. Try to set the environment variable `NIT_DIR` or to use the `--nit-dir` option.")
abort
end
nitlanguage / nit.git / blobdiff