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comparison formats/src/th06/anm0.rs @ 776:94033091458b

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formats: Update to ${concat(…)} to build on current nightly ${concat(…)} replaces the removed concat_idents!() macro, but doesn’t support being used in nested repetitions for now. We can remove the gen_match!() macro once this is supported again.
author Link Mauve <linkmauve@linkmauve.fr>
date Tue, 14 Oct 2025 12:41:29 +0000
parents d08eb4c9fce3
children
comparison
equal deleted inserted replaced
775:28d8b892fd06 776:94033091458b
106 width, 106 width,
107 height, 107 height,
108 })) 108 }))
109 } 109 }
110 110
111 macro_rules! gen_match {
112 ($arg_type:ident) => {
113 ${concat(le_, $arg_type)}
114 };
115 }
116
111 macro_rules! declare_anm_instructions { 117 macro_rules! declare_anm_instructions {
112 ($($opcode:tt => fn $name:ident($($arg:ident: $arg_type:ident),*)),*,) => { 118 ($($opcode:tt => fn $name:ident($($arg:ident: $arg_type:ident),*)),*,) => {
113 /// Available instructions in an `Anm0`. 119 /// Available instructions in an `Anm0`.
114 #[allow(missing_docs)] 120 #[allow(missing_docs)]
115 #[derive(Debug, Clone, Copy)] 121 #[derive(Debug, Clone, Copy)]
122 fn parse_instruction_args(mut i: &[u8], opcode: u8) -> IResult<&[u8], Instruction> { 128 fn parse_instruction_args(mut i: &[u8], opcode: u8) -> IResult<&[u8], Instruction> {
123 let instr = match opcode { 129 let instr = match opcode {
124 $( 130 $(
125 $opcode => { 131 $opcode => {
126 $( 132 $(
127 let (i2, $arg) = concat_idents!(le_, $arg_type)(i)?; 133 let (i2, $arg) = gen_match!($arg_type)(i)?;
128 i = i2; 134 i = i2;
129 )* 135 )*
130 Instruction::$name($($arg),*) 136 Instruction::$name($($arg),*)
131 } 137 }
132 )* 138 )*