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tools/mpy-tool.py: Don't generate const_table if it's empty.

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This commit is contained in:
Damien George 2017-08-12 22:26:18 +10:00
parent bfc2092dc5
commit b6a3289564
1 changed files with 27 additions and 22 deletions
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49
tools/mpy-tool.py
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@ -331,27 +331,29 @@ class RawCode:
# TODO
raise FreezeError(self, 'freezing of object %r is not implemented' % (obj,))
# generate constant table
print('STATIC const mp_rom_obj_t const_table_data_%s[%u] = {'
% (self.escaped_name, len(self.qstrs) + len(self.objs) + len(self.raw_codes)))
for qst in self.qstrs:
print(' MP_ROM_QSTR(%s),' % global_qstrs[qst].qstr_id)
for i in range(len(self.objs)):
if type(self.objs[i]) is float:
print('#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_A || MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_B')
print(' MP_ROM_PTR(&const_obj_%s_%u),' % (self.escaped_name, i))
print('#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C')
n = struct.unpack('<I', struct.pack('<f', self.objs[i]))[0]
n = ((n & ~0x3) | 2) + 0x80800000
print(' (mp_rom_obj_t)(0x%08x),' % (n,))
print('#else')
print('#error "MICROPY_OBJ_REPR_D not supported with floats in frozen mpy files"')
print('#endif')
else:
print(' MP_ROM_PTR(&const_obj_%s_%u),' % (self.escaped_name, i))
for rc in self.raw_codes:
print(' MP_ROM_PTR(&raw_code_%s),' % rc.escaped_name)
print('};')
# generate constant table, if it has any entries
const_table_len = len(self.qstrs) + len(self.objs) + len(self.raw_codes)
if const_table_len:
print('STATIC const mp_rom_obj_t const_table_data_%s[%u] = {'
% (self.escaped_name, const_table_len))
for qst in self.qstrs:
print(' MP_ROM_QSTR(%s),' % global_qstrs[qst].qstr_id)
for i in range(len(self.objs)):
if type(self.objs[i]) is float:
print('#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_A || MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_B')
print(' MP_ROM_PTR(&const_obj_%s_%u),' % (self.escaped_name, i))
print('#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C')
n = struct.unpack('<I', struct.pack('<f', self.objs[i]))[0]
n = ((n & ~0x3) | 2) + 0x80800000
print(' (mp_rom_obj_t)(0x%08x),' % (n,))
print('#else')
print('#error "MICROPY_OBJ_REPR_D not supported with floats in frozen mpy files"')
print('#endif')
else:
print(' MP_ROM_PTR(&const_obj_%s_%u),' % (self.escaped_name, i))
for rc in self.raw_codes:
print(' MP_ROM_PTR(&raw_code_%s),' % rc.escaped_name)
print('};')
# generate module
if self.simple_name.str != '<module>':
@ -362,7 +364,10 @@ class RawCode:
print(' .n_pos_args = %u,' % self.prelude[3])
print(' .data.u_byte = {')
print(' .bytecode = bytecode_data_%s,' % self.escaped_name)
print(' .const_table = (mp_uint_t*)const_table_data_%s,' % self.escaped_name)
if const_table_len:
print(' .const_table = (mp_uint_t*)const_table_data_%s,' % self.escaped_name)
else:
print(' .const_table = NULL,')
print(' #if MICROPY_PERSISTENT_CODE_SAVE')
print(' .bc_len = %u,' % len(self.bytecode))
print(' .n_obj = %u,' % len(self.objs))