style: Check/Fix whitespace on SCons files

--HG--
extra : convert_revision : 46e6b2dd8e1984cbab0ea24c94760794734c0f95

SConstruct

@@ -86,7 +86,7 @@ except:
     print "Error checking current SCons version."
     print "SCons", ".".join(map(str,min_scons_version)), "or greater required."
     Exit(2)
-    
+
 
 # The absolute path to the current directory (where this file lives).
 ROOT = Dir('.').abspath
@@ -211,7 +211,7 @@ env = Environment(ENV = os.environ,  # inherit user's environment vars
                   ROOT = ROOT,
                   SRCDIR = SRCDIR)
 
-#Parse CC/CXX early so that we use the correct compiler for 
+#Parse CC/CXX early so that we use the correct compiler for
 # to test for dependencies/versions/libraries/includes
 if ARGUMENTS.get('CC', None):
     env['CC'] = ARGUMENTS.get('CC')
@@ -240,14 +240,14 @@ env.Append(ENV = { 'M5_PLY' : Dir('ext/ply') })
 env['GCC'] = False
 env['SUNCC'] = False
 env['ICC'] = False
-env['GCC'] = subprocess.Popen(env['CXX'] + ' --version', shell=True, 
-        stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 
+env['GCC'] = subprocess.Popen(env['CXX'] + ' --version', shell=True,
+        stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
         close_fds=True).communicate()[0].find('GCC') >= 0
-env['SUNCC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True, 
-        stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 
+env['SUNCC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True,
+        stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
         close_fds=True).communicate()[0].find('Sun C++') >= 0
-env['ICC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True, 
-        stdout=subprocess.PIPE, stderr=subprocess.STDOUT, 
+env['ICC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True,
+        stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
         close_fds=True).communicate()[0].find('Intel') >= 0
 if env['GCC'] + env['SUNCC'] + env['ICC'] > 1:
     print 'Error: How can we have two at the same time?'
@@ -309,7 +309,7 @@ for scanner in env['SCANNERS']:
     skeys = scanner.skeys
     if skeys == '.i':
         continue
-    
+
     if isinstance(skeys, (list, tuple)) and '.i' in skeys:
         continue
 
@@ -528,7 +528,7 @@ def config_emitter(target, source, env):
         val = int(val)
     elif isinstance(val, str):
         val = '"' + val + '"'
-        
+
     # Sources are option name & value (packaged in SCons Value nodes)
     return ([target], [Value(option), Value(val)])
 
@@ -585,22 +585,22 @@ def make_switching_dir(dirname, switch_headers, env):
     # header to generate.  'source' is a dummy variable, since we get the
     # list of ISAs from env['ALL_ISA_LIST'].
     def gen_switch_hdr(target, source, env):
-	fname = str(target[0])
-	basename = os.path.basename(fname)
-	f = open(fname, 'w')
-	f.write('#include "arch/isa_specific.hh"\n')
-	cond = '#if'
-	for isa in all_isa_list:
-	    f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n'
-		    % (cond, isa.upper(), dirname, isa, basename))
-	    cond = '#elif'
-	f.write('#else\n#error "THE_ISA not set"\n#endif\n')
-	f.close()
-	return 0
+        fname = str(target[0])
+        basename = os.path.basename(fname)
+        f = open(fname, 'w')
+        f.write('#include "arch/isa_specific.hh"\n')
+        cond = '#if'
+        for isa in all_isa_list:
+            f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n'
+                    % (cond, isa.upper(), dirname, isa, basename))
+            cond = '#elif'
+        f.write('#else\n#error "THE_ISA not set"\n#endif\n')
+        f.close()
+        return 0
 
     # String to print when generating header
     def gen_switch_hdr_string(target, source, env):
-	return "Generating switch header " + str(target[0])
+        return "Generating switch header " + str(target[0])
 
     # Build SCons Action object. 'varlist' specifies env vars that this
     # action depends on; when env['ALL_ISA_LIST'] changes these actions

ext/libelf/SConscript

@@ -35,7 +35,7 @@ Import('env')
 elf_files = []
 def ElfFile(filename):
     elf_files.append(File(filename))
-    
+
 ElfFile('elf_begin.c')
 ElfFile('elf_cntl.c')
 ElfFile('elf_data.c')

src/arch/SConscript

@@ -43,23 +43,23 @@ Import('*')
 
 # List of headers to generate
 isa_switch_hdrs = Split('''
-	arguments.hh
-	faults.hh
-	interrupts.hh
-	isa_traits.hh
-	kernel_stats.hh
+        arguments.hh
+        faults.hh
+        interrupts.hh
+        isa_traits.hh
+        kernel_stats.hh
         locked_mem.hh
         mmaped_ipr.hh
-	process.hh
-	predecoder.hh
-	regfile.hh
-	remote_gdb.hh
-	stacktrace.hh
-	syscallreturn.hh
-	tlb.hh
-	types.hh
-	utility.hh
-	vtophys.hh
+        process.hh
+        predecoder.hh
+        regfile.hh
+        remote_gdb.hh
+        stacktrace.hh
+        syscallreturn.hh
+        tlb.hh
+        types.hh
+        utility.hh
+        vtophys.hh
         ''')
 
 # Set up this directory to support switching headers

tests/SConscript

@@ -173,7 +173,7 @@ def test_builder(env, ref_dir):
                '-o', cmd_stdout, '-e', cmd_stderr, base_cmd]
     else:
         cmd = [base_cmd, '>', cmd_stdout, '2>', cmd_stderr]
-            
+
     env.Command([tgt('stdout'), tgt('stderr'), new_stats],
                 [env.M5Binary, 'run.py'], ' '.join(cmd))
 
@@ -202,7 +202,7 @@ if env['FULL_SYSTEM']:
                         'tsunami-simple-timing',
                         'tsunami-simple-atomic-dual',
                         'tsunami-simple-timing-dual',
-			'twosys-tsunami-simple-atomic']
+                        'twosys-tsunami-simple-atomic']
     if env['TARGET_ISA'] == 'sparc':
         configs += ['t1000-simple-atomic',
                     't1000-simple-timing']

util/style.py

@@ -51,14 +51,28 @@ lang_types = { 'c'   : "C",
                's'   : "asm",
                'S'   : "asm",
                'isa' : "isa" }
-whitespace_types = ('C', 'C++', 'swig', 'python', 'asm', 'isa')
-format_types = ( 'C', 'C++' )
-
 def file_type(filename):
     extension = filename.split('.')
     extension = len(extension) > 1 and extension[-1]
     return lang_types.get(extension, None)
 
+whitespace_types = ('C', 'C++', 'swig', 'python', 'asm', 'isa')
+def whitespace_file(filename):
+    if file_type(filename) in whitespace_types:
+        return True
+
+    if filename.startswith("SCons"):
+        return True
+
+    return False
+
+format_types = ( 'C', 'C++' )
+def format_file(filename):
+    if file_type(filename) in format_types:
+        return True
+
+    return False
+
 def checkwhite_line(line):
     match = lead.search(line)
     if match and match.group(1).find('\t') != -1:
@@ -71,7 +85,7 @@ def checkwhite_line(line):
     return True
 
 def checkwhite(filename):
-    if file_type(filename) not in whitespace_types:
+    if not whitespace_file(filename)
         return
 
     try:
@@ -101,7 +115,7 @@ def fixwhite_line(line, tabsize):
     return line.rstrip() + '\n'
 
 def fixwhite(filename, tabsize, fixonly=None):
-    if file_type(filename) not in whitespace_types:
+    if not whitespace_file(filename)
         return
 
     try:
@@ -159,7 +173,7 @@ class ValidationStats(object):
                self.trailwhite or self.badcontrol or self.cret
 
 def validate(filename, stats, verbose, exit_code):
-    if file_type(filename) not in format_types:
+    if not format_file(filename):
         return
 
     def msg(lineno, line, message):