diff options
Diffstat (limited to 'tools/dtoc/fdt.py')
| -rw-r--r-- | tools/dtoc/fdt.py | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/tools/dtoc/fdt.py b/tools/dtoc/fdt.py index 3996971e39..9749966d5f 100644 --- a/tools/dtoc/fdt.py +++ b/tools/dtoc/fdt.py @@ -24,16 +24,19 @@ from patman import tools # A list of types we support class Type(IntEnum): + # Types in order from widest to narrowest (BYTE, INT, STRING, BOOL, INT64) = range(5) - def is_wider_than(self, other): - """Check if another type is 'wider' than this one + def needs_widening(self, other): + """Check if this type needs widening to hold a value from another type - A wider type is one that holds more information than an earlier one, - similar to the concept of type-widening in C. + A wider type is one that can hold a wider array of information than + another one, or is less restrictive, so it can hold the information of + another type as well as its own. This is similar to the concept of + type-widening in C. This uses a simple arithmetic comparison, since type values are in order - from narrowest (BYTE) to widest (INT64). + from widest (BYTE) to narrowest (INT64). Args: other: Other type to compare against @@ -149,7 +152,7 @@ class Prop: update the current property to be like the second, since it is less specific. """ - if self.type.is_wider_than(newprop.type): + if self.type.needs_widening(newprop.type): if self.type == Type.INT and newprop.type == Type.BYTE: if type(self.value) == list: new_value = [] |