diff options
Diffstat (limited to 'vendor/anstyle-parse/src/state/codegen.rs')
| -rw-r--r-- | vendor/anstyle-parse/src/state/codegen.rs | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/vendor/anstyle-parse/src/state/codegen.rs b/vendor/anstyle-parse/src/state/codegen.rs new file mode 100644 index 0000000..226c2d4 --- /dev/null +++ b/vendor/anstyle-parse/src/state/codegen.rs @@ -0,0 +1,217 @@ +use super::{pack, unpack, Action, State}; + +use vte_generate_state_changes::generate_state_changes; + +#[test] +fn table() { + let mut content = vec![]; + generate_table(&mut content).unwrap(); + + let content = String::from_utf8(content).unwrap(); + let content = codegenrs::rustfmt(&content, None).unwrap(); + snapbox::assert_eq_path("./src/state/table.rs", content); +} + +#[allow(clippy::write_literal)] +fn generate_table(file: &mut impl std::io::Write) -> std::io::Result<()> { + writeln!( + file, + "// This file is @generated by {}", + file!().replace('\\', "/") + )?; + writeln!(file)?; + writeln!( + file, + "{}", + r#"#[rustfmt::skip] +pub(crate) const STATE_CHANGES: [[u8; 256]; 16] = ["# + )?; + + for (state, entries) in STATE_CHANGES.iter().enumerate() { + writeln!(file, " // {:?}", State::try_from(state as u8).unwrap())?; + write!(file, " [")?; + let mut last_entry = None; + for packed in entries { + let (next_state, action) = unpack(*packed); + if last_entry != Some(packed) { + writeln!(file)?; + writeln!(file, " // {:?} {:?}", next_state, action)?; + write!(file, " ")?; + } + write!(file, "0x{:0>2x}, ", packed)?; + last_entry = Some(packed); + } + writeln!(file)?; + writeln!(file, " ],")?; + } + + writeln!(file, "{}", r#"];"#)?; + Ok(()) +} + +/// This is the state change table. It's indexed first by current state and then by the next +/// character in the pty stream. +pub static STATE_CHANGES: [[u8; 256]; 16] = state_changes(); +generate_state_changes!(state_changes, { + Anywhere { + 0x18 => (Ground, Execute), + 0x1a => (Ground, Execute), + 0x1b => (Escape, Nop), + }, + + Ground { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x20..=0x7f => (Anywhere, Print), + 0x80..=0x8f => (Anywhere, Execute), + 0x91..=0x9a => (Anywhere, Execute), + 0x9c => (Anywhere, Execute), + // Beginning of UTF-8 2 byte sequence + 0xc2..=0xdf => (Utf8, BeginUtf8), + // Beginning of UTF-8 3 byte sequence + 0xe0..=0xef => (Utf8, BeginUtf8), + // Beginning of UTF-8 4 byte sequence + 0xf0..=0xf4 => (Utf8, BeginUtf8), + }, + + Escape { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x7f => (Anywhere, Ignore), + 0x20..=0x2f => (EscapeIntermediate, Collect), + 0x30..=0x4f => (Ground, EscDispatch), + 0x51..=0x57 => (Ground, EscDispatch), + 0x59 => (Ground, EscDispatch), + 0x5a => (Ground, EscDispatch), + 0x5c => (Ground, EscDispatch), + 0x60..=0x7e => (Ground, EscDispatch), + 0x5b => (CsiEntry, Nop), + 0x5d => (OscString, Nop), + 0x50 => (DcsEntry, Nop), + 0x58 => (SosPmApcString, Nop), + 0x5e => (SosPmApcString, Nop), + 0x5f => (SosPmApcString, Nop), + }, + + EscapeIntermediate { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x20..=0x2f => (Anywhere, Collect), + 0x7f => (Anywhere, Ignore), + 0x30..=0x7e => (Ground, EscDispatch), + }, + + CsiEntry { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x7f => (Anywhere, Ignore), + 0x20..=0x2f => (CsiIntermediate, Collect), + 0x30..=0x39 => (CsiParam, Param), + 0x3a..=0x3b => (CsiParam, Param), + 0x3c..=0x3f => (CsiParam, Collect), + 0x40..=0x7e => (Ground, CsiDispatch), + }, + + CsiIgnore { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x20..=0x3f => (Anywhere, Ignore), + 0x7f => (Anywhere, Ignore), + 0x40..=0x7e => (Ground, Nop), + }, + + CsiParam { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x30..=0x39 => (Anywhere, Param), + 0x3a..=0x3b => (Anywhere, Param), + 0x7f => (Anywhere, Ignore), + 0x3c..=0x3f => (CsiIgnore, Nop), + 0x20..=0x2f => (CsiIntermediate, Collect), + 0x40..=0x7e => (Ground, CsiDispatch), + }, + + CsiIntermediate { + 0x00..=0x17 => (Anywhere, Execute), + 0x19 => (Anywhere, Execute), + 0x1c..=0x1f => (Anywhere, Execute), + 0x20..=0x2f => (Anywhere, Collect), + 0x7f => (Anywhere, Ignore), + 0x30..=0x3f => (CsiIgnore, Nop), + 0x40..=0x7e => (Ground, CsiDispatch), + }, + + DcsEntry { + 0x00..=0x17 => (Anywhere, Ignore), + 0x19 => (Anywhere, Ignore), + 0x1c..=0x1f => (Anywhere, Ignore), + 0x7f => (Anywhere, Ignore), + 0x20..=0x2f => (DcsIntermediate, Collect), + 0x30..=0x39 => (DcsParam, Param), + 0x3a..=0x3b => (DcsParam, Param), + 0x3c..=0x3f => (DcsParam, Collect), + 0x40..=0x7e => (DcsPassthrough, Nop), + }, + + DcsIntermediate { + 0x00..=0x17 => (Anywhere, Ignore), + 0x19 => (Anywhere, Ignore), + 0x1c..=0x1f => (Anywhere, Ignore), + 0x20..=0x2f => (Anywhere, Collect), + 0x7f => (Anywhere, Ignore), + 0x30..=0x3f => (DcsIgnore, Nop), + 0x40..=0x7e => (DcsPassthrough, Nop), + }, + + DcsIgnore { + 0x00..=0x17 => (Anywhere, Ignore), + 0x19 => (Anywhere, Ignore), + 0x1c..=0x1f => (Anywhere, Ignore), + 0x20..=0x7f => (Anywhere, Ignore), + 0x9c => (Ground, Nop), + }, + + DcsParam { + 0x00..=0x17 => (Anywhere, Ignore), + 0x19 => (Anywhere, Ignore), + 0x1c..=0x1f => (Anywhere, Ignore), + 0x30..=0x39 => (Anywhere, Param), + 0x3a..=0x3b => (Anywhere, Param), + 0x7f => (Anywhere, Ignore), + 0x3c..=0x3f => (DcsIgnore, Nop), + 0x20..=0x2f => (DcsIntermediate, Collect), + 0x40..=0x7e => (DcsPassthrough, Nop), + }, + + DcsPassthrough { + 0x00..=0x17 => (Anywhere, Put), + 0x19 => (Anywhere, Put), + 0x1c..=0x1f => (Anywhere, Put), + 0x20..=0x7e => (Anywhere, Put), + 0x7f => (Anywhere, Ignore), + 0x9c => (Ground, Nop), + }, + + SosPmApcString { + 0x00..=0x17 => (Anywhere, Ignore), + 0x19 => (Anywhere, Ignore), + 0x1c..=0x1f => (Anywhere, Ignore), + 0x20..=0x7f => (Anywhere, Ignore), + 0x9c => (Ground, Nop), + }, + + OscString { + 0x00..=0x06 => (Anywhere, Ignore), + 0x07 => (Ground, Nop), + 0x08..=0x17 => (Anywhere, Ignore), + 0x19 => (Anywhere, Ignore), + 0x1c..=0x1f => (Anywhere, Ignore), + 0x20..=0xff => (Anywhere, OscPut), + } +}); |