def _write_macros_file_v2(self, build_system, output, xml=None):
"""Write a Macros file for this machine.
Arguments:
build_system - Format of the file to be written. Currently the only
valid values are "Makefile" and "CMake".
output - Text I/O object (inheriting from io.TextIOBase) that
output should be written to. Typically, this will be the
Macros file, opened for writing.
"""
# Set up writer for this build system.
if build_system == "Makefile":
writer = MakeMacroWriter(output)
elif build_system == "CMake":
writer = CMakeMacroWriter(output)
else:
expect(
False, "Unrecognized build system provided to write_macros: " +
build_system)
# Start processing the file.
value_lists = dict()
node_list = []
if xml is None:
node_list = self.get_nodes("compiler")
else:
node_list = ET.parse(xml).findall("compiler")
for compiler_elem in node_list:
block = CompilerBlock(writer, compiler_elem, self._machobj)
# If this block matches machine settings, use it.
if block.matches_machine():
block.add_settings_to_lists(self.flag_vars, value_lists)
# Now that we've scanned through the input, output the variable
# settings.
vars_written = set()
while value_lists:
# Variables that are ready to be written.
ready_variables = [
var_name for var_name in value_lists.keys()
if value_lists[var_name].depends <= vars_written
]
expect(
len(ready_variables) > 0,
"The config_build XML has bad <var> references. "
"Check for circular references or variables that "
"are in a <var> tag but not actually defined.")
big_normal_tree = None
big_append_tree = None
for var_name in ready_variables:
# Note that we're writing this variable.
vars_written.add(var_name)
# Make the conditional trees and write them out.
normal_tree, append_tree = \
value_lists[var_name].to_cond_trees()
big_normal_tree = merge_optional_trees(normal_tree,
big_normal_tree)
big_append_tree = merge_optional_trees(append_tree,
big_append_tree)
# Remove this variable from the list of variables to handle
# next iteration.
del value_lists[var_name]
if big_normal_tree is not None:
big_normal_tree.write_out(writer)
if big_append_tree is not None:
big_append_tree.write_out(writer)
def _write_macros_file(self, build_system, output, xml=None):
"""Write a Macros file for this machine.
Arguments:
build_system - Format of the file to be written. Currently the only
valid values are "Makefile" and "CMake".
output - Text I/O object (inheriting from io.TextIOBase) that
output should be written to. Typically, this will be the
Macros file, opened for writing.
"""
# Set up writer for this build system.
if build_system == "Makefile":
writer = MakeMacroWriter(output)
elif build_system == "CMake":
writer = CMakeMacroWriter(output)
else:
expect(
False,
"Unrecognized build system provided to write_macros: " + build_system,
)
# Start processing the file.
value_lists = dict()
node_list = []
if xml is None:
node_list = self.get_children(name="compiler")
else:
gen_xml = GenericXML()
gen_xml.read_fd(xml)
node_list = gen_xml.get_children(name="compiler")
for compiler_elem in node_list:
block = CompilerBlock(writer, compiler_elem, self._machobj, self)
# If this block matches machine settings, use it.
if block.matches_machine():
block.add_settings_to_lists(self.flag_vars, value_lists)
# Now that we've scanned through the input, output the variable
# settings.
vars_written = set()
while value_lists:
# Variables that are ready to be written.
ready_variables = [
var_name
for var_name in value_lists
if value_lists[var_name].dependencies() <= vars_written
]
expect(
len(ready_variables) > 0,
"The file {} has bad $VAR references. "
"Check for circular references or variables that "
"are used in a $VAR but not actually defined.".format(self.filename),
)
big_normal_trees = {}
big_append_tree = None
for var_name in ready_variables:
# Note that we're writing this variable.
vars_written.add(var_name)
# Make the conditional trees and write them out.
normal_trees, append_tree = value_lists[var_name].to_cond_trees()
for spec in normal_trees:
if spec in big_normal_trees:
big_normal_trees[spec] = merge_optional_trees(
normal_trees[spec], big_normal_trees[spec]
)
else:
big_normal_trees[spec] = normal_trees[spec]
big_append_tree = merge_optional_trees(append_tree, big_append_tree)
# Remove this variable from the list of variables to handle
# next iteration.
del value_lists[var_name]
specificities = sorted(list(big_normal_trees.keys()))
for spec in specificities:
big_normal_trees[spec].write_out(writer)
if big_append_tree is not None:
big_append_tree.write_out(writer)