mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-11-10 05:26:56 +00:00
e86ebb7aff
- Change member and parent offsets to work in bits, not bytes - Printer still displays offsets in bytes, with decimals when using bitfields - AddPadding: Don't pad bitfields - CodeGen: Emit code for bitfields
126 lines
3.6 KiB
TOML
126 lines
3.6 KiB
TOML
definitions = '''
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struct Single {
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int bitfield : 3;
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};
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struct WithinBytes {
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char a : 3;
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char b : 5;
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char c : 7;
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};
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struct StraddleBytes {
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char a : 7;
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char b : 7;
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char c : 2;
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};
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struct Mixed {
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int a;
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char b : 4;
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short c : 12;
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char d;
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int e : 22;
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};
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wbitfield-width"
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// The bitfield will max out at the size of its type. Extra bits act as padding.
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struct MoreBitsThanType {
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char a : 29;
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};
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#pragma clang diagnostic pop
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// A zero-sized bitfield adds default padding between neighbouring bitfields
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struct ZeroBits {
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char b1 : 3;
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char : 0;
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char b2 : 2;
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};
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enum class MyEnum {
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One,
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Two,
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Three,
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};
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struct Enum {
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MyEnum e : 2;
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MyEnum f : 4;
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};
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'''
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# TODO The sizes do not take bitfields into account. They count each field as
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# if they were regular primitives.
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[cases]
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[cases.single]
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["Single&"]
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setup = "return {};"
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expect_json = '''[
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":0, "members":[
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":4}
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]}]'''
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[cases.within_bytes]
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["WithinBytes&"]
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setup = "return {};"
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expect_json = '''[
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{"staticSize":2, "dynamicSize":0, "exclusiveSize":0, "members":[
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1}
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]}]'''
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[cases.straddle_bytes]
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["StraddleBytes&"]
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setup = "return {};"
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expect_json = '''[
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{"staticSize":3, "dynamicSize":0, "exclusiveSize":0, "members":[
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1}
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]}]'''
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[cases.mixed]
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["Mixed&"]
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setup = "return {};"
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expect_json = '''[
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{"staticSize":12, "dynamicSize":0, "exclusiveSize":0, "members":[
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":4},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":2, "dynamicSize":0, "exclusiveSize":2},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":4}
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]}]'''
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[cases.more_bits_than_type] # TODO member sizes are wrong
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skip = "drgn errors out"
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["MoreBitsThanType&"]
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setup = "return {};"
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expect_json = '"TODO"'
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[cases.zero_bits]
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["ZeroBits&"]
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setup = "return {};"
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expect_json = '''[
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{"staticSize":2, "dynamicSize":0, "exclusiveSize":0, "members":[
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
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{"staticSize":1, "dynamicSize":0, "exclusiveSize":1}
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]}]'''
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[cases.enum]
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cli_options = ["-ftype-graph"]
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oil_skip = "not implemented"
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param_types = ["Enum&"]
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setup = "return {};"
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expect_json = '''[
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":0, "members":[
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":4},
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{"staticSize":4, "dynamicSize":0, "exclusiveSize":4}
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]}]'''
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