Files
TerminalBasic/crates/tb-ide/src/editor.rs

919 lines
36 KiB
Rust

//! Editoraktionen auf gemeinsamen Dokumenten und revisionsgebundene Übersetzung.
use crate::{
app::{App, Dialog, DialogKind, Field, WindowKind},
commands::Command,
documents::{DocumentId, ViewId},
export::ProjectStamp,
};
use anyhow::{anyhow, ensure, Result};
use crossterm::event::{KeyCode as K, KeyEvent, KeyModifiers as M};
use std::{collections::BTreeMap, ops::Range, path::PathBuf};
use tb_frontend::{
lexer::{self, TokenKind},
source::SourceUnit,
Diagnostic,
};
use tb_vm::{bytecode::CompiledModule, project::ProjectCompiler};
use unicode_width::UnicodeWidthChar;
#[derive(Default, Clone)]
pub struct Search {
pub text: String,
pub replacement: String,
pub backwards: bool,
pub case_sensitive: bool,
pub whole_word: bool,
pub scope: Option<Range<usize>>,
pub document: Option<DocumentId>,
pub wrap: bool,
}
#[derive(Default)]
pub struct Editor {
pub clipboard: String,
pub chord: Option<char>,
pub search: Search,
pub history: Vec<(DocumentId, usize)>,
pub expansions: BTreeMap<ViewId, String>,
pub checked: BTreeMap<DocumentId, u64>,
pub compiler: ProjectCompiler,
pub diagnostics: Vec<Diagnostic>,
revision: Option<(ProjectStamp, Vec<SourceUnit>, Vec<String>)>,
compiled: Option<CompiledModule>,
}
pub fn line_start(code: &str, at: usize) -> usize {
code[..at].rfind('\n').map_or(0, |p| p + 1)
}
pub fn line_end(code: &str, at: usize) -> usize {
code[at..].find('\n').map_or(code.len(), |p| at + p)
}
pub fn column(code: &str, tab: usize) -> usize {
code.chars().fold(0, |n, c| {
n + if c == '\t' {
tab - n % tab
} else {
c.width().unwrap_or(0)
}
})
}
pub fn offset(code: &str, col: usize, tab: usize) -> usize {
let mut width = 0;
for (i, c) in code.char_indices() {
let w = if c == '\t' {
tab - width % tab
} else {
c.width().unwrap_or(0)
};
if width + w > col {
return i;
}
width += w;
}
code.len()
}
fn word(c: char) -> bool {
c.is_alphanumeric() || c == '_' || "%&!#$@".contains(c)
}
fn previous(code: &str, at: usize) -> usize {
if code[..at].ends_with("\r\n") {
return at - 2;
}
code[..at].char_indices().last().map_or(0, |(i, _)| i)
}
fn next(code: &str, at: usize) -> usize {
if code[at..].starts_with("\r\n") {
return at + 2;
}
at + code[at..].chars().next().map_or(0, char::len_utf8)
}
fn matches(code: &str, search: &Search, scope: Range<usize>) -> Vec<Range<usize>> {
if search.text.is_empty() {
return vec![];
}
let mut result = Vec::new();
let mut end_previous = scope.start;
for (i, _) in code[scope.clone()].char_indices() {
let start = scope.start + i;
if start < end_previous {
continue;
}
let end = code[start..scope.end]
.char_indices()
.nth(search.text.chars().count())
.map_or(scope.end, |(i, _)| start + i);
let value = &code[start..end];
let equal = if search.case_sensitive {
value == search.text
} else {
value.to_lowercase() == search.text.to_lowercase()
};
if equal
&& (!search.whole_word
|| (!code[..start].chars().next_back().is_some_and(word)
&& !code[end..].chars().next().is_some_and(word)))
{
result.push(start..end);
end_previous = end;
}
}
result
}
impl App {
pub(crate) fn editor_view(&self) -> Result<ViewId> {
match self.active_window().map(|w| w.kind) {
Some(WindowKind::Code(v)) => Ok(v),
_ => Err(anyhow!("Kein Codefenster aktiv")),
}
}
pub(crate) fn editor_insert(&mut self, text: &str) -> Result<()> {
let v = self.editor_view()?;
ensure!(
!self.editor.expansions.contains_key(&v),
"Included Lines ist schreibgeschützt; Included File öffnet die Originaldatei"
);
let view = self.project.view(v)?;
let id = view.document();
let range = view.selection().unwrap_or(view.cursor..view.cursor);
let cursor = range.start + text.len();
self.project.replace_text(id, range, text)?;
let view = self.project.view_mut(v)?;
view.cursor = cursor;
view.anchor = None;
self.editor_scroll()?;
Ok(())
}
pub(crate) fn editor_scroll(&mut self) -> Result<()> {
let v = self.editor_view()?;
let rect = self.rect(self.active_window().unwrap());
let view = self.project.view(v)?;
let code = self.project.document(view.document())?.code();
let row = code[..view.cursor].bytes().filter(|b| *b == b'\n').count();
let col = column(
&code[line_start(code, view.cursor)..view.cursor],
self.options.tab_width,
);
let view = self.project.view_mut(v)?;
let height = rect.height.saturating_sub(2).max(1) as usize;
let width = rect.width.saturating_sub(2).max(1) as usize;
if row < view.scroll_line {
view.scroll_line = row;
} else if row >= view.scroll_line + height {
view.scroll_line = row + 1 - height;
}
if col < view.scroll_column {
view.scroll_column = col;
} else if col >= view.scroll_column + width {
view.scroll_column = col + 1 - width;
}
Ok(())
}
pub(crate) fn editor_key(&mut self, key: KeyEvent) -> Result<()> {
let v = self.editor_view()?;
if let Some(expansion) = self.editor.expansions.get(&v) {
let count = expansion.lines().count();
let step = self
.rect(self.active_window().unwrap())
.height
.saturating_sub(3)
.max(1) as usize;
let view = self.project.view_mut(v)?;
match key.code {
K::Up => view.scroll_line = view.scroll_line.saturating_sub(1),
K::Down => view.scroll_line = (view.scroll_line + 1).min(count.saturating_sub(1)),
K::PageUp => view.scroll_line = view.scroll_line.saturating_sub(step),
K::PageDown => {
view.scroll_line = (view.scroll_line + step).min(count.saturating_sub(1))
}
K::Home => view.scroll_line = 0,
K::End => view.scroll_line = count.saturating_sub(step),
_ => {}
}
return Ok(());
}
let view = self.project.view(v)?.clone();
let id = view.document();
let code = self.project.document(id)?.code().to_owned();
let at = view.cursor;
let ctrl = key.modifiers.contains(M::CONTROL);
let shift = key.modifiers.contains(M::SHIFT);
let mut destination;
if let Some(chord) = self.editor.chord.take() {
if let K::Char(c) = key.code {
match (chord, c.to_ascii_lowercase()) {
('q', 's') => destination = line_start(&code, at),
('q', 'd') => destination = line_end(&code, at),
('q', 'r') => destination = 0,
('q', 'c') => destination = code.len(),
('k', c @ '0'..='3') => {
self.project.view_mut(v)?.bookmarks[c as usize - '0' as usize] = Some(at);
return Ok(());
}
('q', c @ '0'..='3') => {
destination = view.bookmarks[c as usize - '0' as usize].unwrap_or(at)
}
_ => return Ok(()),
}
} else {
return Ok(());
}
} else {
match key.code {
K::Char(c @ ('q' | 'k')) if ctrl => {
self.editor.chord = Some(c);
self.message = format!("Ctrl+{} … (Esc bricht ab)", c.to_ascii_uppercase());
return Ok(());
}
K::Char('a') if ctrl => {
let v = self.project.view_mut(v)?;
v.anchor = Some(0);
v.cursor = code.len();
return self.editor_scroll();
}
K::Char('y') if ctrl => {
let range = line_start(&code, at)..(line_end(&code, at) + 1).min(code.len());
self.project.replace_text(id, range.clone(), "")?;
let v = self.project.view_mut(v)?;
v.cursor = range.start;
v.anchor = None;
return self.editor_scroll();
}
K::Insert => {
self.project.view_mut(v)?.overwrite = !view.overwrite;
self.message = if view.overwrite {
"Einfügen"
} else {
"Überschreiben"
}
.into();
return Ok(());
}
K::Char(c) if !key.modifiers.intersects(M::ALT | M::CONTROL) => {
if view.overwrite
&& view.selection().is_none()
&& at < line_end(&code, at)
&& !code[at..].starts_with("\r\n")
{
self.project
.replace_text(id, at..next(&code, at), &c.to_string())?;
self.project.view_mut(v)?.cursor = at + c.len_utf8();
return self.editor_scroll();
}
return self.editor_insert(&c.to_string());
}
K::Enter => {
return self.editor_insert(if code.contains("\r\n") { "\r\n" } else { "\n" })
}
K::Tab => return self.editor_insert("\t"),
K::Backspace | K::Delete => {
let range = view.selection().unwrap_or_else(|| {
if key.code == K::Backspace {
let p = previous(&code, at);
if code.get(p..at) == Some("\n")
&& p > 0
&& code.as_bytes()[p - 1] == b'\r'
{
p - 1..at
} else {
p..at
}
} else {
at..if code[at..].starts_with("\r\n") {
at + 2
} else {
next(&code, at)
}
}
});
self.project.replace_text(id, range.clone(), "")?;
let view = self.project.view_mut(v)?;
view.cursor = range.start;
view.anchor = None;
return self.editor_scroll();
}
K::Left | K::Right => {
destination = if key.code == K::Left {
previous(&code, at)
} else {
next(&code, at)
};
if ctrl {
if key.code == K::Left {
while destination > 0
&& !code[destination..].chars().next().is_some_and(word)
{
destination = previous(&code, destination);
}
while destination > 0
&& code[..destination].chars().next_back().is_some_and(word)
{
destination = previous(&code, destination);
}
} else {
destination = at;
while destination < code.len()
&& code[destination..].chars().next().is_some_and(word)
{
destination = next(&code, destination);
}
while destination < code.len()
&& !code[destination..].chars().next().is_some_and(word)
{
destination = next(&code, destination);
}
}
}
}
K::Home => destination = if ctrl { 0 } else { line_start(&code, at) },
K::End => {
destination = if ctrl {
code.len()
} else {
line_end(&code, at)
};
if code[..destination].ends_with('\r') {
destination -= 1;
}
}
K::Up | K::Down | K::PageUp | K::PageDown => {
let starts: Vec<_> = std::iter::once(0)
.chain(code.match_indices('\n').map(|(i, _)| i + 1))
.collect();
let row = starts.partition_point(|i| *i <= at) - 1;
let col = column(&code[starts[row]..at], self.options.tab_width);
let step = if matches!(key.code, K::PageUp | K::PageDown) {
self.rect(self.active_window().unwrap())
.height
.saturating_sub(3)
.max(1) as usize
} else {
1
};
let row = if matches!(key.code, K::Up | K::PageUp) {
row.saturating_sub(step)
} else {
(row + step).min(starts.len() - 1)
};
let start = starts[row];
let end = line_end(&code, start);
destination = start
+ offset(
code[start..end].trim_end_matches('\r'),
col,
self.options.tab_width,
);
}
K::Esc => {
self.project.view_mut(v)?.anchor = None;
return Ok(());
}
_ => return Ok(()),
}
}
if !shift && !ctrl {
if let Some(range) = view.selection() {
if key.code == K::Left {
destination = range.start;
}
if key.code == K::Right {
destination = range.end;
}
}
}
let view = self.project.view_mut(v)?;
if shift {
view.anchor.get_or_insert(at);
} else {
view.anchor = None;
}
view.cursor = destination;
self.editor_scroll()
}
pub(crate) fn editor_command(&mut self, command: Command) -> Result<()> {
use Command::*;
let v = self.editor_view()?;
let view = self.project.view(v)?.clone();
let id = view.document();
let code = self.project.document(id)?.code().to_owned();
match command {
Copy | Cut => {
if let Some(range) = view.selection() {
self.editor.clipboard = code[range].into();
if command == Cut {
self.editor_insert("")?;
}
}
}
Paste => self.editor_insert(&self.editor.clipboard.clone())?,
Clear => self.editor_key(KeyEvent::new(K::Delete, M::NONE))?,
Find | Replace => {
let s = &self.editor.search;
self.open_dialog(
if command == Find { "Find" } else { "Change" },
DialogKind::Search {
view: v,
selection: view.selection(),
},
vec![
Field::text("Suchtext", s.text.clone()),
Field::text("Ersetzung", s.replacement.clone()),
Field::toggle("Rückwärts", s.backwards),
Field::toggle("Groß-/Kleinschreibung", s.case_sensitive),
Field::toggle("Ganzes Wort", s.whole_word),
Field::toggle("Nur Auswahl", false),
Field::choice(
"Aktion",
vec![
"Suchen".into(),
"Einzeln ersetzen".into(),
"Alle ersetzen".into(),
],
if command == Find { 0 } else { 1 },
),
],
);
}
SelectedText => {
let range = view
.selection()
.ok_or_else(|| anyhow!("Kein Text ausgewählt"))?;
self.editor.search.text = code[range].into();
self.editor.search.document = Some(id);
self.editor.search.scope = None;
self.editor.search.wrap = false;
self.find_next()?;
}
FindNext => self.find_next()?,
NewSub | NewFunction => self.open_dialog(
if command == NewSub {
"New Sub"
} else {
"New Function"
},
DialogKind::Procedure(command == NewFunction),
vec![Field::text("Name", "")],
),
Procedures => {
let parsed = tb_frontend::parser::parse("EDITOR", &lexer::lex(&code).tokens);
let mut positions = vec![0];
let mut names = vec!["Modulrumpf".into()];
for p in parsed.module.procs {
names.push(tb_frontend::editing::signature(&p.sig));
positions.push(line_offset(&code, p.pos.line));
}
self.open_dialog(
"Prozeduren",
DialogKind::Procedures(positions),
vec![Field::choice("Prozedur", names, 0)],
);
}
PreviousCode => {
if let Some((id, at)) = self.editor.history.pop() {
self.show_document(id, false)?;
let v = self.editor_view()?;
let code = self.project.document(id)?.code();
let mut at = at.min(code.len());
while !code.is_char_boundary(at) {
at -= 1;
}
self.project.view_mut(v)?.cursor = at;
self.editor_scroll()?;
}
}
IncludedFile => {
let line = &code[line_start(&code, view.cursor)..line_end(&code, view.cursor)];
let path = lexer::lex(line)
.tokens
.into_iter()
.find_map(|t| {
if let TokenKind::MetaInclude(p) = t.kind {
Some(p)
} else {
None
}
})
.ok_or_else(|| anyhow!("Keine Include-Anweisung auf dieser Zeile"))?;
let doc = self.project.document(id)?;
let path = self
.project
.loader()?
.resolve(doc.source_path().parent().unwrap(), &path)
.map_err(|e| anyhow!(e))?;
self.editor.history.push((id, view.cursor));
let id = self.project.open_document(&path)?;
self.show_document(id, false)?;
}
IncludedLines => {
if self.editor.expansions.remove(&v).is_none() {
let sources = self.project.sources()?;
let path = self
.project
.document(id)?
.source_path()
.display()
.to_string();
let unit = sources
.units
.iter()
.find(|u| u.segments.iter().any(|s| s.file == path))
.ok_or_else(|| anyhow!("Dokument gehört zu keiner Übersetzungseinheit"))?;
let mut text = String::from("Included Lines · SCHREIBGESCHÜTZT\n");
for s in &unit.segments {
text.push_str(&format!("' {}:{}\n{}\n", s.file, s.first_line, s.text));
}
self.editor.expansions.insert(v, text);
self.project.view_mut(v)?.scroll_line = 0;
self.project.view_mut(v)?.scroll_column = 0;
} else {
self.editor_scroll()?;
}
}
Diagnostics => self.diagnostic_dialog(),
_ => unreachable!(),
}
Ok(())
}
pub(crate) fn editor_submit(&mut self, d: &mut Dialog) -> Result<bool> {
match d.kind.clone() {
DialogKind::Search { view, selection } => {
let id = self.project.view(view)?.document();
ensure!(!d.fields[0].string().is_empty(), "Suchtext fehlt");
ensure!(
!d.fields[5].flag() || selection.is_some(),
"Keine Auswahl vorhanden"
);
self.editor.search = Search {
text: d.fields[0].string(),
replacement: d.fields[1].string(),
backwards: d.fields[2].flag(),
case_sensitive: d.fields[3].flag(),
whole_word: d.fields[4].flag(),
scope: if d.fields[5].flag() { selection } else { None },
document: Some(id),
wrap: false,
};
match d.fields[6].index() {
0 => self.find_next()?,
1 => self.replace_matches(false)?,
_ => self.replace_matches(true)?,
}
}
DialogKind::Procedure(function) => {
let v = self.editor_view()?;
let view = self.project.view(v)?.clone();
let id = view.document();
let code = self.project.document(id)?.code();
let input = self.project.sources()?;
let name = d.fields[0].string();
for unit in &input.units {
let (module, _) = unit.parse(0, &mut Vec::new());
ensure!(
!module
.procs
.iter()
.any(|p| p.sig.name.eq_ignore_ascii_case(&name)),
"Prozedurname bereits im Projekt vorhanden"
);
}
let path = self
.project
.document(id)?
.source_path()
.display()
.to_string();
let unit = input
.units
.iter()
.find(|u| u.segments.iter().any(|s| s.file == path))
.ok_or_else(|| anyhow!("Keine Übersetzungseinheit"))?;
let first = match self.project.document(id)?.content() {
tb_vm::project_io::Content::Form(f) => {
tb_ui::frm::read_text(&path, &tb_ui::frm::write_text(f))?.code_line()
}
_ => 1,
};
let line =
first + code[..view.cursor].bytes().filter(|b| *b == b'\n').count() as u32;
let col = view.cursor - line_start(code, view.cursor);
let mut expanded = String::new();
let mut at = None;
for segment in &unit.segments {
for (i, text) in segment.text.split_inclusive('\n').enumerate() {
if segment.file == path && segment.first_line + i as u32 == line {
at = Some(
expanded.len() + col.min(text.trim_end_matches(['\n', '\r']).len()),
);
}
expanded.push_str(text);
if !text.ends_with('\n') {
expanded.push('\n');
}
}
}
let addition = tb_frontend::editing::new_procedure(
&expanded,
at.unwrap_or(expanded.len()),
&name,
function,
)
.map_err(|e| anyhow!(e))?;
let end = code.len();
self.project.replace_text(id, end..end, &addition)?;
self.project.view_mut(v)?.cursor = end + 1;
self.editor_scroll()?;
}
DialogKind::Procedures(positions) => {
let v = self.editor_view()?;
let view = self.project.view(v)?;
self.editor.history.push((view.document(), view.cursor));
self.project.view_mut(v)?.cursor = positions[d.fields[0].index()];
self.editor_scroll()?;
}
DialogKind::Diagnostics => {
ensure!(
self.revision_current(),
"Quellen geändert; Diagnosen erneut öffnen"
);
let diagnostic = self
.editor
.diagnostics
.get(d.fields[0].index())
.cloned()
.ok_or_else(|| anyhow!("Keine Diagnose"))?;
self.goto_diagnostic(&diagnostic)?;
}
_ => unreachable!(),
}
Ok(false)
}
fn find_next(&mut self) -> Result<()> {
let v = self.editor_view()?;
let view = self.project.view(v)?.clone();
let id = view.document();
let code = self.project.document(id)?.code();
let s = &mut self.editor.search;
ensure!(!s.text.is_empty(), "Noch keine Suche; Find verwenden");
if s.document != Some(id) {
s.document = Some(id);
s.scope = None;
s.wrap = false;
}
let scope = s
.scope
.clone()
.filter(|r| code.get(r.clone()).is_some())
.unwrap_or(0..code.len());
let ranges = matches(code, s, scope);
let found = if s.backwards {
let at = view.selection().map_or(view.cursor, |r| r.start);
ranges.iter().rev().find(|r| s.wrap || r.end <= at)
} else {
let at = view.selection().map_or(view.cursor, |r| r.end);
ranges.iter().find(|r| s.wrap || r.start >= at)
};
if let Some(r) = found {
let view = self.project.view_mut(v)?;
view.anchor = Some(r.start);
view.cursor = r.end;
s.wrap = false;
self.message = "Treffer".into();
self.editor_scroll()?;
} else {
s.wrap = true;
self.message = "Suchbereich beendet · F3 bietet Rücksprung zum anderen Ende".into();
}
Ok(())
}
fn replace_matches(&mut self, all: bool) -> Result<()> {
let v = self.editor_view()?;
let view = self.project.view(v)?.clone();
let id = view.document();
ensure!(
!self.editor.expansions.contains_key(&v),
"Included Lines ist schreibgeschützt"
);
let code = self.project.document(id)?.code().to_owned();
let s = &self.editor.search;
let scope = s.scope.clone().unwrap_or(0..code.len());
ensure!(
code.get(scope.clone()).is_some(),
"Suchbereich nicht mehr gültig"
);
let ranges = matches(&code, s, scope.clone());
let ranges = if all {
ranges
} else {
let found = if s.backwards {
ranges.into_iter().rev().find(|r| r.start <= view.cursor)
} else {
ranges
.into_iter()
.find(|r| r.end > view.cursor || view.selection().as_ref() == Some(r))
};
found.into_iter().collect()
};
if ranges.is_empty() {
self.message = "Keine Treffer".into();
return Ok(());
}
let mut replacement = code[scope.clone()].to_owned();
for r in ranges.iter().rev() {
replacement.replace_range(r.start - scope.start..r.end - scope.start, &s.replacement);
}
let first = &ranges[0];
let cursor = first.start + s.replacement.len();
self.project.replace_text(id, scope.clone(), &replacement)?;
if self.editor.search.scope.is_some() {
self.editor.search.scope = Some(scope.start..scope.start + replacement.len());
}
let view = self.project.view_mut(v)?;
view.cursor = cursor;
view.anchor = None;
self.message = format!("{} Treffer ersetzt", ranges.len());
self.editor_scroll()
}
pub(crate) fn diagnostic_dialog(&mut self) {
if !self.revision_current() {
if let Err(e) = self.compile_current() {
self.message = e.to_string();
}
}
if self.editor.diagnostics.is_empty() {
self.message = "Keine Diagnosen".into();
return;
}
self.open_dialog(
"Diagnosen",
DialogKind::Diagnostics,
vec![Field::choice(
"Datei:Zeile:Spalte",
self.editor
.diagnostics
.iter()
.map(ToString::to_string)
.collect(),
0,
)],
);
}
pub fn goto_diagnostic(&mut self, d: &Diagnostic) -> Result<()> {
let path = PathBuf::from(
d.file
.as_ref()
.ok_or_else(|| anyhow!("Diagnose ohne Quelldatei"))?,
);
let id = self.project.open_document(&path)?;
self.show_document(id, false)?;
let v = self.editor_view()?;
let doc = self.project.document(id)?;
let first = if let tb_vm::project_io::Content::Form(f) = doc.content() {
tb_ui::frm::read_text(&path.display().to_string(), &tb_ui::frm::write_text(f))?
.code_line()
.saturating_sub(1)
} else {
0
};
let code = doc.code();
let start = line_offset(code, d.pos.line.saturating_sub(first));
let at = start
+ code[start..line_end(code, start)]
.char_indices()
.nth(d.pos.column.saturating_sub(1) as usize)
.map_or(line_end(code, start) - start, |(i, _)| i);
self.editor.expansions.remove(&v);
self.project.view_mut(v)?.cursor = at;
self.editor_scroll()
}
/// Immer aktuelle Quellen einschließlich externer Includes prüfen; alte Erfolge werden nie herausgegeben.
pub fn compile_current(&mut self) -> Result<&CompiledModule> {
self.editor.compiled = None;
self.editor.revision = None;
self.editor.diagnostics.clear();
let sources = self.project.sources()?;
let mut catalog = tb_frontend::forms::FormCatalog::default();
for f in &sources.forms {
catalog.append(&f.catalog());
}
self.editor.revision = Some((
ProjectStamp::capture(&self.project),
sources.units.clone(),
sources.forms.iter().map(tb_ui::frm::write_text).collect(),
));
match self
.editor
.compiler
.compile("IDE", &sources.units, &catalog, &sources.forms)
{
Ok(code) => {
self.editor.compiled = Some(code);
Ok(self.editor.compiled.as_ref().unwrap())
}
Err(errors) => {
let text = errors
.iter()
.map(ToString::to_string)
.collect::<Vec<_>>()
.join("\n");
self.editor.diagnostics = errors;
Err(anyhow!(text))
}
}
}
fn revision_current(&self) -> bool {
let Some((stamp, units, forms)) = &self.editor.revision else {
return false;
};
if stamp != &ProjectStamp::capture(&self.project) {
return false;
}
let Ok(current) = self.project.sources() else {
return false;
};
units == &current.units
&& forms
== &current
.forms
.iter()
.map(tb_ui::frm::write_text)
.collect::<Vec<_>>()
}
pub fn current_compilation(&self) -> Option<&CompiledModule> {
self.revision_current()
.then_some(self.editor.compiled.as_ref())
.flatten()
}
pub fn current_diagnostics(&self) -> Option<&[Diagnostic]> {
self.revision_current()
.then_some(self.editor.diagnostics.as_slice())
}
pub(crate) fn editor_position(&self) -> Option<(ViewId, DocumentId, usize)> {
let v = self.editor_view().ok()?;
let view = self.project.view(v).ok()?;
let code = self.project.document(view.document()).ok()?.code();
Some((v, view.document(), line_start(code, view.cursor)))
}
pub(crate) fn line_leave(&mut self, old: Option<(ViewId, DocumentId, usize)>) {
let Some((v, id, start)) = old else {
return;
};
if !self.options.syntax_checking
|| self.editor.expansions.contains_key(&v)
|| old == self.editor_position()
{
return;
}
let Ok(doc) = self.project.document(id) else {
return;
};
if doc.revision() == 0 || self.editor.checked.get(&id) == Some(&doc.revision()) {
return;
}
let code = doc.code().to_owned();
let revision = doc.revision();
let lexed = lexer::lex(&code);
let parsed = tb_frontend::parser::parse("EDITOR", &lexed.tokens);
if lexed.diagnostics.is_empty()
&& parsed.diagnostics.is_empty()
&& code.is_char_boundary(start)
&& start <= code.len()
{
let end = line_end(&code, start);
let edits = tb_frontend::editing::normalization_edits(&code[start..end])
.into_iter()
.map(|(r, t)| (start + r.start..start + r.end, t))
.collect::<Vec<_>>();
if let Err(e) = self.project.replace_ranges(id, &edits) {
self.message = e.to_string();
return;
}
}
self.editor.checked.insert(
id,
self.project.document(id).map_or(revision, |d| d.revision()),
);
let result = self.compile_current().map(|_| ());
if parsed.incomplete && lexed.diagnostics.is_empty() {
self.message = "Quelltext noch unvollständig · Eingabe fortsetzen".into();
} else if let Err(e) = result {
self.message = e.to_string();
if self.dialog.is_none() {
self.diagnostic_dialog();
}
} else {
self.message = format!(
"Geprüft · {} Module übersetzt, {} wiederverwendet",
self.editor.compiler.stats.compiled, self.editor.compiler.stats.reused
);
}
}
}
pub fn line_offset(code: &str, line: u32) -> usize {
if line <= 1 {
0
} else {
code.match_indices('\n')
.nth(line as usize - 2)
.map_or(code.len(), |(i, _)| i + 1)
}
}