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terminal: add missing anywhere states to ground, get rid of real state

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This commit is contained in:
Mitchell Hashimoto
2023-03-17 13:46:22 -07:00
parent f5e49e2989
commit 38cd496c82
2 changed files with 34 additions and 54 deletions
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68
src/terminal/parse_table.zig
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@@ -51,19 +51,46 @@ fn genTable() Table {
while (i < result.len) : (i += 1) {
var j: usize = 0;
while (j < result[0].len) : (j += 1) {
result[i][j] = transition(.anywhere, .none);
result[i][j] = transition(@intToEnum(State, j), .none);
}
}
// anywhere transitions
const stateInfo = @typeInfo(State);
inline for (stateInfo.Enum.fields) |field| {
const source = @intToEnum(State, field.value);
// anywhere => ground
single(&result, 0x18, source, .ground, .execute);
single(&result, 0x1A, source, .ground, .execute);
range(&result, 0x80, 0x8F, source, .ground, .execute);
range(&result, 0x91, 0x97, source, .ground, .execute);
single(&result, 0x99, source, .ground, .execute);
single(&result, 0x9A, source, .ground, .execute);
single(&result, 0x9C, source, .ground, .none);
// anywhere => escape
single(&result, 0x1B, source, .escape, .none);
// anywhere => sos_pm_apc_string
single(&result, 0x98, source, .sos_pm_apc_string, .none);
single(&result, 0x9E, source, .sos_pm_apc_string, .none);
single(&result, 0x9F, source, .sos_pm_apc_string, .none);
// anywhere => csi_entry
single(&result, 0x9B, source, .csi_entry, .none);
// anywhere => dcs_entry
single(&result, 0x90, source, .dcs_entry, .none);
// anywhere => osc_string
single(&result, 0x9D, source, .osc_string, .none);
}
// ground
{
const source = State.ground;
// anywhere =>
single(&result, 0x18, .anywhere, .ground, .execute);
single(&result, 0x1A, .anywhere, .ground, .execute);
single(&result, 0x9C, .anywhere, .ground, .none);
// events
single(&result, 0x19, .ground, .ground, .execute);
range(&result, 0, 0x17, .ground, .ground, .execute);
@@ -94,11 +121,6 @@ fn genTable() Table {
{
const source = State.sos_pm_apc_string;
// anywhere =>
single(&result, 0x98, .anywhere, source, .none);
single(&result, 0x9E, .anywhere, source, .none);
single(&result, 0x9F, .anywhere, source, .none);
// events
single(&result, 0x19, source, source, .ignore);
range(&result, 0, 0x17, source, source, .ignore);
@@ -113,9 +135,6 @@ fn genTable() Table {
{
const source = State.escape;
// anywhere =>
single(&result, 0x1B, .anywhere, source, .none);
// events
single(&result, 0x19, source, source, .execute);
range(&result, 0, 0x17, source, source, .execute);
@@ -152,9 +171,6 @@ fn genTable() Table {
{
const source = State.dcs_entry;
// anywhere =>
single(&result, 0x90, .anywhere, source, .ignore);
// events
single(&result, 0x19, source, source, .ignore);
range(&result, 0, 0x17, source, source, .ignore);
@@ -305,9 +321,6 @@ fn genTable() Table {
{
const source = State.csi_entry;
// anywhere =>
single(&result, 0x9B, .anywhere, source, .none);
// events
single(&result, 0x19, source, source, .execute);
range(&result, 0, 0x17, source, source, .execute);
@@ -333,9 +346,6 @@ fn genTable() Table {
{
const source = State.osc_string;
// anywhere =>
single(&result, 0x9D, .anywhere, source, .none);
// events
single(&result, 0x19, source, source, .ignore);
range(&result, 0, 0x06, source, source, .ignore);
@@ -352,18 +362,6 @@ fn genTable() Table {
}
fn single(t: *Table, c: u8, s0: State, s1: State, a: Action) void {
// In debug mode, we want to verify that every state is marked
// exactly once.
if (builtin.mode == .Debug) {
const existing = t[c][@enumToInt(s0)];
if (existing.state != .anywhere) {
std.debug.print("transition set multiple times c={} s0={} existing={}", .{
c, s0, existing,
});
unreachable;
}
}
t[c][@enumToInt(s0)] = transition(s1, a);
}