def begin_expand(self, r, line):
"""
Start a new expansion block
"""
if self.expansion_block:
raise mi_Error("Expansion block already open!")
try:
etag_fill = re.findall('\w+', line.split(':')[1])
except IndexError:
raise mi_Error("Missing colon in begin expansion.")
if not etag_fill:
raise mi_Error("Expansion block has no fill values.")
self.expansion_block = Expansion_Block(self, etag_fill)
def begin_expand(self, r, line):
"""
Start a new expansion block
"""
if self.expansion_block:
raise mi_Error("Expansion block already open!")
try:
etag_fill = re.findall("\w+", line.split(":")[1])
except IndexError:
raise mi_Error("Missing colon in begin expansion.")
if not etag_fill:
raise mi_Error("Expansion block has no fill values.")
self.expansion_block = Expansion_Block(self, etag_fill)
class Template:
"""
Reference file with tags and commands referenced to generate target output such
as code
"""
commands = None # Initialized after class definitions
def __init__(self, name, file_name, target_name_pattern):
self.name = name
self.lines = []
self.file_name = os.path.join("Resources", file_name)
codegen_path = os.getenv("micodegen", False)
if not codegen_path:
raise mi_Error("micodegen env variable not set.")
self.target_name_pattern = target_name_pattern
self.target = None
self.list_region = None
self.expansion_block = None
def process(self, line):
for f, p in Template.commands:
r = p.match(line)
if r:
f(self, r, line)
return
raise mi_Error('No case matched')
# Functions below correspond to an RE which recognizes a certain type
# of line encountered in a template. When the RE is recognized during
# template processing, the function is invoked and passed the line and
# RE match object
def non_command(self, r, line):
"""
Process a non-command line.
"""
if self.expansion_block:
# Add it to the current expansion block
self.expansion_block.append(line) # Append is defined specially
return
# Fill out the line
filled_out_line = Fill_Pattern(line).filled_out_text
if self.list_region:
# Intersitial text to be flushed between blocks
self.list_region.interstitial(filled_out_line)
return
# No expansion block or list region active, just flush to target
self.target.lines.append(filled_out_line)
def begin_list(self, r, line):
"""
Process begin list command.
"""
if self.list_region:
raise mi_Error("List already open.")
if self.expansion_block:
raise mi_Error("List begins during open expansion block.")
# Create a new list region with the specified delimiter
self.list_region = List_Region(template=self,
delimiter=r.groupdict()['delimiter'])
def begin_cond(self, r, line):
"""
Create a new conditional segment in the active expansion block
"""
if not self.expansion_block:
raise mi_Error(
"Conditional segment specified outside of any expansion block!"
)
self.expansion_block.set_condition(r.groups('condition')[0])
def end_cond(self, r, line):
"""
Tell expansion block to stop accepting conditional lines
"""
if not self.expansion_block:
raise mi_Error(
"Conditional segment closed outside of any expansion block!")
self.expansion_block.close_condition()
def begin_expand(self, r, line):
"""
Start a new expansion block
"""
if self.expansion_block:
raise mi_Error("Expansion block already open!")
try:
etag_fill = re.findall('\w+', line.split(':')[1])
except IndexError:
raise mi_Error("Missing colon in begin expansion.")
if not etag_fill:
raise mi_Error("Expansion block has no fill values.")
self.expansion_block = Expansion_Block(self, etag_fill)
def end_expand(self, r, line):
"""
End the current expansion block
"""
if not self.expansion_block:
raise mi_Error("Unbalanced expansion block ending.")
self.expansion_block.expand()
self.expansion_block = None
def end_list(self, r, line):
"""
End the current list
"""
if not self.list_region:
raise mi_Error("Unbalanced list end.")
if self.expansion_block:
raise mi_Error("List closed while expansion block open.")
self.list_region.terminate()
def fill_out(self, subsys_dir):
"""
Generate target output using template data and supplied tag values
"""
print("Filling out template: {} for schema: {} using: {}".format(
self.name, fill['schema'], self.file_name))
# Create the target
self.target = Target(
subsys_dir,
Fill_Pattern(self.target_name_pattern).filled_out_text)
# Read each line of the template and generate target line or lines
self.file = open(self.file_name)
for line in self.file:
self.process(line)
self.file.close()
try:
self.target.write()
except mi_File_Error:
exit()
class Template:
"""
Reference file with tags and commands referenced to generate target output such
as code
"""
commands = None # Initialized after class definitions
def __init__(self, name, file_name, target_name_pattern):
self.name = name
self.lines = []
self.file_name = os.path.join("Resources", file_name)
codegen_path = os.getenv("micodegen", False)
if not codegen_path:
raise mi_Error("micodegen env variable not set.")
self.target_name_pattern = target_name_pattern
self.target = None
self.list_region = None
self.expansion_block = None
def process(self, line):
for f, p in Template.commands:
r = p.match(line)
if r:
f(self, r, line)
return
raise mi_Error("No case matched")
# Functions below correspond to an RE which recognizes a certain type
# of line encountered in a template. When the RE is recognized during
# template processing, the function is invoked and passed the line and
# RE match object
def non_command(self, r, line):
"""
Process a non-command line.
"""
if self.expansion_block:
# Add it to the current expansion block
self.expansion_block.append(line) # Append is defined specially
return
# Fill out the line
filled_out_line = Fill_Pattern(line).filled_out_text
if self.list_region:
# Intersitial text to be flushed between blocks
self.list_region.interstitial(filled_out_line)
return
# No expansion block or list region active, just flush to target
self.target.lines.append(filled_out_line)
def begin_list(self, r, line):
"""
Process begin list command.
"""
if self.list_region:
raise mi_Error("List already open.")
if self.expansion_block:
raise mi_Error("List begins during open expansion block.")
# Create a new list region with the specified delimiter
self.list_region = List_Region(template=self, delimiter=r.groupdict()["delimiter"])
def begin_cond(self, r, line):
"""
Create a new conditional segment in the active expansion block
"""
if not self.expansion_block:
raise mi_Error("Conditional segment specified outside of any expansion block!")
self.expansion_block.set_condition(r.groups("condition")[0])
def end_cond(self, r, line):
"""
Tell expansion block to stop accepting conditional lines
"""
if not self.expansion_block:
raise mi_Error("Conditional segment closed outside of any expansion block!")
self.expansion_block.close_condition()
def begin_expand(self, r, line):
"""
Start a new expansion block
"""
if self.expansion_block:
raise mi_Error("Expansion block already open!")
try:
etag_fill = re.findall("\w+", line.split(":")[1])
except IndexError:
raise mi_Error("Missing colon in begin expansion.")
if not etag_fill:
raise mi_Error("Expansion block has no fill values.")
self.expansion_block = Expansion_Block(self, etag_fill)
def end_expand(self, r, line):
"""
End the current expansion block
"""
if not self.expansion_block:
raise mi_Error("Unbalanced expansion block ending.")
self.expansion_block.expand()
self.expansion_block = None
def end_list(self, r, line):
"""
End the current list
"""
if not self.list_region:
raise mi_Error("Unbalanced list end.")
if self.expansion_block:
raise mi_Error("List closed while expansion block open.")
self.list_region.terminate()
def fill_out(self, subsys_dir):
"""
Generate target output using template data and supplied tag values
"""
print("Filling out template: {} for schema: {} using: {}".format(self.name, fill["schema"], self.file_name))
# Create the target
self.target = Target(subsys_dir, Fill_Pattern(self.target_name_pattern).filled_out_text)
# Read each line of the template and generate target line or lines
self.file = open(self.file_name)
for line in self.file:
self.process(line)
self.file.close()
try:
self.target.write()
except mi_File_Error:
exit()
