python,scons: Move grammar.py and code_formatter.py into build_tools.

These are only used in a build, and so don't need to be built into gem5.
grammar.py is used by slicc and the fast model project file parser, and
code_formatter.py is only used by SConscripts.

Change-Id: Id43e62459d69f07fdb2ed125548a83e38bbb7590
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49396
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Maintainer: Gabe Black <gabe.black@gmail.com>

SConstruct

@@ -126,6 +126,9 @@ AddOption('--with-systemc-tests', action='store_true',
 AddOption('--install-hooks', action='store_true',
           help='Install revision control hooks non-interactively')
 
+# Inject the built_tools directory into the python path.
+sys.path[1:1] = [ Dir('#build_tools').abspath ]
+
 # Imports of gem5_scons happen here since it depends on some options which are
 # declared above.
 from gem5_scons import error, warning, summarize_warnings, parse_build_path

site_scons/gem5_scons/builders/blob.py

@@ -42,7 +42,7 @@ import os.path
 from gem5_scons import Transform, MakeAction
 from gem5_scons.util import bytesToCppArray
 
-from m5.util import code_formatter
+from code_formatter import code_formatter
 
 import SCons.Node.Python
 

src/SConscript

@@ -68,7 +68,7 @@ Export('env')
 
 build_env = [(opt, env[opt]) for opt in export_vars]
 
-from m5.util import code_formatter
+from code_formatter import code_formatter
 
 def GdbXml(xml_id, symbol):
     cc, hh = env.Blob(symbol, xml_id)

src/arch/arm/fastmodel/SConscript

@@ -40,7 +40,7 @@ import shlex
 
 Import('*')
 
-from m5.util.grammar import Grammar
+from grammar import Grammar
 
 from gem5_scons import Transform, warning, error
 

src/arch/isa_parser/isa_parser.py

@@ -44,7 +44,7 @@ import traceback
 # get type names
 from types import *
 
-from m5.util.grammar import Grammar
+from grammar import Grammar
 from .operand_list import *
 from .operand_types import *
 from .util import *

src/mem/slicc/generate/dot.py

@@ -25,8 +25,6 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-from m5.util.code_formatter import code_formatter
-
 def printDotty(sm, code):
     code('digraph ${{sm.getIdent()}} {')
     code.indent()

src/mem/slicc/generate/html.py

@@ -25,7 +25,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-from m5.util.code_formatter import code_formatter
+from code_formatter import code_formatter
 
 def createSymbol(symbol, title):
     code = code_formatter()

src/mem/slicc/generate/tex.py

@@ -25,7 +25,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-from m5.util.code_formatter import code_formatter
+from code_formatter import code_formatter
 
 class tex_formatter(code_formatter):
     braced = "<>"

src/mem/slicc/parser.py

@@ -41,8 +41,8 @@ import os.path
 import re
 import sys
 
-from m5.util import code_formatter
-from m5.util.grammar import Grammar, ParseError
+from code_formatter import code_formatter
+from grammar import Grammar, ParseError
 
 import slicc.ast as ast
 import slicc.util as util

src/python/SConscript

@@ -190,12 +190,10 @@ PySource('m5.objects', 'm5/objects/__init__.py')
 PySource('m5.stats', 'm5/stats/__init__.py')
 PySource('m5.util', 'm5/util/__init__.py')
 PySource('m5.util', 'm5/util/attrdict.py')
-PySource('m5.util', 'm5/util/code_formatter.py')
 PySource('m5.util', 'm5/util/convert.py')
 PySource('m5.util', 'm5/util/dot_writer.py')
 PySource('m5.util', 'm5/util/dot_writer_ruby.py')
 PySource('m5.util', 'm5/util/fdthelper.py')
-PySource('m5.util', 'm5/util/grammar.py')
 PySource('m5.util', 'm5/util/multidict.py')
 PySource('m5.util', 'm5/util/pybind.py')
 PySource('m5.util', 'm5/util/terminal.py')

src/python/m5/util/__init__.py

@@ -44,7 +44,6 @@ import sys
 from . import convert
 
 from .attrdict import attrdict, multiattrdict, optiondict
-from .code_formatter import code_formatter
 from .multidict import multidict
 
 # panic() should be called when something happens that should never

util/slicc

@@ -32,6 +32,7 @@ if __name__ == "__main__":
     base = dirname(__file__)
     sys.path.insert(1, join(base, "../src/mem"))
     sys.path.insert(1, join(base, "../src/python"))
+    sys.path.insert(1, join(base, "../build_tools"))
     sys.path.insert(1, join(base, "../ext/ply"))
 
     import slicc.main