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Diffstat (limited to 'waflib/Tools/errcheck.py')
| m--------- | waflib | 0 | ||||
| -rw-r--r-- | waflib/Tools/errcheck.py | 237 |
2 files changed, 0 insertions, 237 deletions
diff --git a/waflib b/waflib new file mode 160000 +Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f diff --git a/waflib/Tools/errcheck.py b/waflib/Tools/errcheck.py deleted file mode 100644 index de8d75a..0000000 --- a/waflib/Tools/errcheck.py +++ /dev/null @@ -1,237 +0,0 @@ -#! /usr/bin/env python -# encoding: utf-8 -# Thomas Nagy, 2011 (ita) - -""" -Common mistakes highlighting. - -There is a performance impact, so this tool is only loaded when running ``waf -v`` -""" - -typos = { -'feature':'features', -'sources':'source', -'targets':'target', -'include':'includes', -'export_include':'export_includes', -'define':'defines', -'importpath':'includes', -'installpath':'install_path', -'iscopy':'is_copy', -'uses':'use', -} - -meths_typos = ['__call__', 'program', 'shlib', 'stlib', 'objects'] - -import sys -from waflib import Logs, Build, Node, Task, TaskGen, ConfigSet, Errors, Utils -from waflib.Tools import ccroot - -def check_same_targets(self): - mp = Utils.defaultdict(list) - uids = {} - - def check_task(tsk): - if not isinstance(tsk, Task.Task): - return - if hasattr(tsk, 'no_errcheck_out'): - return - - for node in tsk.outputs: - mp[node].append(tsk) - try: - uids[tsk.uid()].append(tsk) - except KeyError: - uids[tsk.uid()] = [tsk] - - for g in self.groups: - for tg in g: - try: - for tsk in tg.tasks: - check_task(tsk) - except AttributeError: - # raised if not a task generator, which should be uncommon - check_task(tg) - - dupe = False - for (k, v) in mp.items(): - if len(v) > 1: - dupe = True - msg = '* Node %r is created more than once%s. The task generators are:' % (k, Logs.verbose == 1 and " (full message on 'waf -v -v')" or "") - Logs.error(msg) - for x in v: - if Logs.verbose > 1: - Logs.error(' %d. %r', 1 + v.index(x), x.generator) - else: - Logs.error(' %d. %r in %r', 1 + v.index(x), x.generator.name, getattr(x.generator, 'path', None)) - Logs.error('If you think that this is an error, set no_errcheck_out on the task instance') - - if not dupe: - for (k, v) in uids.items(): - if len(v) > 1: - Logs.error('* Several tasks use the same identifier. Please check the information on\n https://waf.io/apidocs/Task.html?highlight=uid#waflib.Task.Task.uid') - tg_details = tsk.generator.name - if Logs.verbose > 2: - tg_details = tsk.generator - for tsk in v: - Logs.error(' - object %r (%r) defined in %r', tsk.__class__.__name__, tsk, tg_details) - -def check_invalid_constraints(self): - feat = set() - for x in list(TaskGen.feats.values()): - feat.union(set(x)) - for (x, y) in TaskGen.task_gen.prec.items(): - feat.add(x) - feat.union(set(y)) - ext = set() - for x in TaskGen.task_gen.mappings.values(): - ext.add(x.__name__) - invalid = ext & feat - if invalid: - Logs.error('The methods %r have invalid annotations: @extension <-> @feature/@before_method/@after_method', list(invalid)) - - # the build scripts have been read, so we can check for invalid after/before attributes on task classes - for cls in list(Task.classes.values()): - if sys.hexversion > 0x3000000 and issubclass(cls, Task.Task) and isinstance(cls.hcode, str): - raise Errors.WafError('Class %r has hcode value %r of type <str>, expecting <bytes> (use Utils.h_cmd() ?)' % (cls, cls.hcode)) - - for x in ('before', 'after'): - for y in Utils.to_list(getattr(cls, x, [])): - if not Task.classes.get(y): - Logs.error('Erroneous order constraint %r=%r on task class %r', x, y, cls.__name__) - if getattr(cls, 'rule', None): - Logs.error('Erroneous attribute "rule" on task class %r (rename to "run_str")', cls.__name__) - -def replace(m): - """ - Replaces existing BuildContext methods to verify parameter names, - for example ``bld(source=)`` has no ending *s* - """ - oldcall = getattr(Build.BuildContext, m) - def call(self, *k, **kw): - ret = oldcall(self, *k, **kw) - for x in typos: - if x in kw: - if x == 'iscopy' and 'subst' in getattr(self, 'features', ''): - continue - Logs.error('Fix the typo %r -> %r on %r', x, typos[x], ret) - return ret - setattr(Build.BuildContext, m, call) - -def enhance_lib(): - """ - Modifies existing classes and methods to enable error verification - """ - for m in meths_typos: - replace(m) - - # catch '..' in ant_glob patterns - def ant_glob(self, *k, **kw): - if k: - lst = Utils.to_list(k[0]) - for pat in lst: - sp = pat.split('/') - if '..' in sp: - Logs.error("In ant_glob pattern %r: '..' means 'two dots', not 'parent directory'", k[0]) - if '.' in sp: - Logs.error("In ant_glob pattern %r: '.' means 'one dot', not 'current directory'", k[0]) - return self.old_ant_glob(*k, **kw) - Node.Node.old_ant_glob = Node.Node.ant_glob - Node.Node.ant_glob = ant_glob - - # catch ant_glob on build folders - def ant_iter(self, accept=None, maxdepth=25, pats=[], dir=False, src=True, remove=True, quiet=False): - if remove: - try: - if self.is_child_of(self.ctx.bldnode) and not quiet: - quiet = True - Logs.error('Calling ant_glob on build folders (%r) is dangerous: add quiet=True / remove=False', self) - except AttributeError: - pass - return self.old_ant_iter(accept, maxdepth, pats, dir, src, remove, quiet) - Node.Node.old_ant_iter = Node.Node.ant_iter - Node.Node.ant_iter = ant_iter - - # catch conflicting ext_in/ext_out/before/after declarations - old = Task.is_before - def is_before(t1, t2): - ret = old(t1, t2) - if ret and old(t2, t1): - Logs.error('Contradictory order constraints in classes %r %r', t1, t2) - return ret - Task.is_before = is_before - - # check for bld(feature='cshlib') where no 'c' is given - this can be either a mistake or on purpose - # so we only issue a warning - def check_err_features(self): - lst = self.to_list(self.features) - if 'shlib' in lst: - Logs.error('feature shlib -> cshlib, dshlib or cxxshlib') - for x in ('c', 'cxx', 'd', 'fc'): - if not x in lst and lst and lst[0] in [x+y for y in ('program', 'shlib', 'stlib')]: - Logs.error('%r features is probably missing %r', self, x) - TaskGen.feature('*')(check_err_features) - - # check for erroneous order constraints - def check_err_order(self): - if not hasattr(self, 'rule') and not 'subst' in Utils.to_list(self.features): - for x in ('before', 'after', 'ext_in', 'ext_out'): - if hasattr(self, x): - Logs.warn('Erroneous order constraint %r on non-rule based task generator %r', x, self) - else: - for x in ('before', 'after'): - for y in self.to_list(getattr(self, x, [])): - if not Task.classes.get(y): - Logs.error('Erroneous order constraint %s=%r on %r (no such class)', x, y, self) - TaskGen.feature('*')(check_err_order) - - # check for @extension used with @feature/@before_method/@after_method - def check_compile(self): - check_invalid_constraints(self) - try: - ret = self.orig_compile() - finally: - check_same_targets(self) - return ret - Build.BuildContext.orig_compile = Build.BuildContext.compile - Build.BuildContext.compile = check_compile - - # check for invalid build groups #914 - def use_rec(self, name, **kw): - try: - y = self.bld.get_tgen_by_name(name) - except Errors.WafError: - pass - else: - idx = self.bld.get_group_idx(self) - odx = self.bld.get_group_idx(y) - if odx > idx: - msg = "Invalid 'use' across build groups:" - if Logs.verbose > 1: - msg += '\n target %r\n uses:\n %r' % (self, y) - else: - msg += " %r uses %r (try 'waf -v -v' for the full error)" % (self.name, name) - raise Errors.WafError(msg) - self.orig_use_rec(name, **kw) - TaskGen.task_gen.orig_use_rec = TaskGen.task_gen.use_rec - TaskGen.task_gen.use_rec = use_rec - - # check for env.append - def _getattr(self, name, default=None): - if name == 'append' or name == 'add': - raise Errors.WafError('env.append and env.add do not exist: use env.append_value/env.append_unique') - elif name == 'prepend': - raise Errors.WafError('env.prepend does not exist: use env.prepend_value') - if name in self.__slots__: - return super(ConfigSet.ConfigSet, self).__getattr__(name, default) - else: - return self[name] - ConfigSet.ConfigSet.__getattr__ = _getattr - - -def options(opt): - """ - Error verification can be enabled by default (not just on ``waf -v``) by adding to the user script options - """ - enhance_lib() - |