From eca8282d6d3b5011ec2660c288c1b768c1731cb6 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Thu, 19 Jun 2008 05:01:18 +0000
Subject: Refactor the 'inherit.autotools' and 'IUSE.undefined' checks into
 classes derived from LineCheck.

svn path=/main/trunk/; revision=10723
---
 pym/repoman/checks.py | 92 ++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 66 insertions(+), 26 deletions(-)

(limited to 'pym/repoman')

diff --git a/pym/repoman/checks.py b/pym/repoman/checks.py
index b4caff27f..afe5c8658 100644
--- a/pym/repoman/checks.py
+++ b/pym/repoman/checks.py
@@ -16,11 +16,17 @@ class LineCheck(object):
 	"""A regular expression to determine whether to ignore the line"""
 	ignore_line = False
 
+	def new(self):
+		pass
+
 	def check(self, num, line):
 		"""Run the check on line and return error if there is one"""
 		if self.re.match(line):
 			return self.error
 
+	def end(self):
+		pass
+
 class EbuildHeader(LineCheck):
 	"""Ensure ebuilds have proper headers
 		Copyright header errors
@@ -211,44 +217,78 @@ class EbuildQuotedA(LineCheck):
 		if match:
 			return "Quoted \"${A}\" on line: %d"
 
+class InheritAutotools(LineCheck):
+	"""
+	Make sure appropriate functions are called in
+	ebuilds that inherit autotools.eclass.
+	"""
+
+	repoman_check_name = 'inherit.autotools'
+	ignore_line = re.compile(r'(^|\s*)#')
+	_inherit_autotools_re = re.compile(r'^\s*inherit\s(.*\s)?autotools(\s|$)')
+	_autotools_funcs = (
+		"eaclocal", "eautoconf", "eautoheader",
+		"eautomake", "eautoreconf", "_elibtoolize")
+	_autotools_func_re = re.compile(r'(^|\s)(' + \
+		"|".join(_autotools_funcs) + ')(\s|$)')
+
+	def new(self):
+		self._inherit_autotools = None
+		self._autotools_func_call = None
+
+	def check(self, num, line):
+		if self._inherit_autotools is None:
+			self._inherit_autotools = self._inherit_autotools_re.match(line)
+		if self._inherit_autotools is not None and \
+			self._autotools_func_call is None:
+			self._autotools_func_call = self._autotools_func_re.search(line)
+
+	def end(self):
+		if self._inherit_autotools and self._autotools_func_call is None:
+			yield 'no eauto* function called'
+
+class IUseUndefined(LineCheck):
+	"""
+	Make sure the ebuild defines IUSE (style guideline
+	says to define IUSE even when empty).
+	"""
+
+	repoman_check_name = 'IUSE.undefined'
+	_iuse_def_re = re.compile(r'^IUSE=.*')
+
+	def new(self):
+		self._iuse_def = None
+
+	def check(self, num, line):
+		if self._iuse_def is None:
+			self._iuse_def = self._iuse_def_re.match(line)
+
+	def end(self):
+		if self._iuse_def is None:
+			yield 'IUSE is not defined'
+
 _constant_checks = tuple((c() for c in (
 	EbuildWhitespace, EbuildQuote,
 	EbuildAssignment, EbuildUselessDodoc,
 	EbuildUselessCdS, EbuildNestedDie,
-	EbuildPatches, EbuildQuotedA)))
-
-_iuse_def_re = re.compile(r'^IUSE=.*')
-_comment_re = re.compile(r'(^|\s*)#')
-_inherit_autotools_re = re.compile(r'^\s*inherit\s(.*\s)?autotools(\s|$)')
-_autotools_funcs = (
-	"eaclocal", "eautoconf", "eautoheader",
-	"eautomake", "eautoreconf", "_elibtoolize")
-_autotools_func_re = re.compile(r'(^|\s)(' + \
-	"|".join(_autotools_funcs) + ')(\s|$)')
+	EbuildPatches, EbuildQuotedA,
+	IUseUndefined, InheritAutotools)))
 
 def run_checks(contents, pkg):
 	checks = list(_constant_checks)
 	checks.append(EbuildHeader(pkg.mtime))
-	iuse_def = None
-	inherit_autotools = None
-	autotools_func_call = None
+
+	for lc in checks:
+		lc.new()
 	for num, line in enumerate(contents):
-		comment = _comment_re.match(line)
-		if comment is None:
-			if inherit_autotools is None:
-				inherit_autotools = _inherit_autotools_re.match(line)
-			if inherit_autotools is not None and \
-				autotools_func_call is None:
-				autotools_func_call = _autotools_func_re.search(line)
-			if iuse_def is None:
-				iuse_def = _iuse_def_re.match(line)
 		for lc in checks:
 			ignore = lc.ignore_line
 			if not ignore or not ignore.match(line):
 				e = lc.check(num, line)
 				if e:
 					yield lc.repoman_check_name, e % (num + 1)
-	if iuse_def is None:
-		yield 'IUSE.undefined', 'IUSE is not defined'
-	if inherit_autotools and autotools_func_call is None:
-		yield 'inherit.autotools', 'no eauto* function called'
+	for lc in checks:
+		i = lc.end()
+		if i is not None:
+			for e in i:
+				yield lc.repoman_check_name, e
-- 
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