diff options
Diffstat (limited to 'scripts/buildcommands.py')
| -rw-r--r-- | scripts/buildcommands.py | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/scripts/buildcommands.py b/scripts/buildcommands.py index 1c3448fe..46e6dc36 100644 --- a/scripts/buildcommands.py +++ b/scripts/buildcommands.py @@ -101,19 +101,36 @@ Handlers.append(HandleStaticStrings()) # Constants ###################################################################### +def decode_integer(value): + value = value.strip() + if len(value) != 7 or value[0] not in '-+': + error("Invalid encoded integer '%s'" % (value,)) + out = sum([(ord(c) - 48) << (i*6) for i, c in enumerate(value[1:])]) + if value[0] == '-': + out -= 1<<32 + return out + # Allow adding build time constants to the data dictionary class HandleConstants: def __init__(self): self.constants = {} - self.ctr_dispatch = { '_DECL_CONSTANT': self.decl_constant } + self.ctr_dispatch = { + '_DECL_CONSTANT': self.decl_constant, + '_DECL_CONSTANT_STR': self.decl_constant_str, + } + def set_value(self, name, value): + if name in self.constants and self.constants[name] != value: + error("Conflicting definition for constant '%s'" % name) + self.constants[name] = value def decl_constant(self, req): name, value = req.split()[1:] + self.set_value(name, decode_integer(value)) + def decl_constant_str(self, req): + name, value = req.split()[1:] value = value.strip() if value.startswith('"') and value.endswith('"'): value = value[1:-1] - if name in self.constants and self.constants[name] != value: - error("Conflicting definition for constant '%s'" % name) - self.constants[name] = value + self.set_value(name, value) def update_data_dictionary(self, data): data['config'] = self.constants def generate_code(self, options): |