Diff view refactor

This commit is contained in:
2025-02-02 17:32:08 -07:00
parent 3e6efb7736
commit d938988d43
8 changed files with 814 additions and 1118 deletions

View File

@@ -1,30 +1,16 @@
use std::{cmp::Ordering, default::Default};
use egui::{text::LayoutJob, Id, Label, Layout, Response, RichText, Sense, Widget};
use egui::{text::LayoutJob, Label, Response, Sense, Widget};
use egui_extras::TableRow;
use objdiff_core::{
diff::{
display::{display_diff, DiffText, HighlightKind},
ObjDiff, ObjInsDiff, ObjInsDiffKind,
},
obj::{
ObjInfo, ObjIns, ObjInsArg, ObjInsArgValue, ObjSection, ObjSectionKind, ObjSymbol,
SymbolRef,
},
obj::{ObjInfo, ObjIns, ObjInsArg, ObjInsArgValue, ObjSection, ObjSymbol, SymbolRef},
};
use time::format_description;
use crate::{
hotkeys,
views::{
appearance::Appearance,
column_layout::{render_header, render_strips, render_table},
symbol_diff::{
match_color_for_symbol, symbol_list_ui, DiffViewAction, DiffViewNavigation,
DiffViewState, SymbolDiffContext, SymbolFilter, SymbolRefByName, SymbolViewState, View,
},
},
};
use crate::views::{appearance::Appearance, symbol_diff::DiffViewAction};
#[derive(Default)]
pub struct FunctionViewState {
@@ -245,17 +231,6 @@ fn ins_context_menu(
});
}
fn find_symbol(obj: &ObjInfo, selected_symbol: &SymbolRefByName) -> Option<SymbolRef> {
for (section_idx, section) in obj.sections.iter().enumerate() {
for (symbol_idx, symbol) in section.symbols.iter().enumerate() {
if symbol.name == selected_symbol.symbol_name {
return Some(SymbolRef { section_idx, symbol_idx });
}
}
}
None
}
#[must_use]
#[expect(clippy::too_many_arguments)]
fn diff_text_ui(
@@ -400,7 +375,7 @@ fn asm_row_ui(
}
#[must_use]
fn asm_col_ui(
pub(crate) fn asm_col_ui(
row: &mut TableRow<'_, '_>,
ctx: FunctionDiffContext<'_>,
appearance: &Appearance,
@@ -433,464 +408,9 @@ fn asm_col_ui(
ret
}
#[must_use]
#[expect(clippy::too_many_arguments)]
fn asm_table_ui(
ui: &mut egui::Ui,
available_width: f32,
left_ctx: Option<FunctionDiffContext<'_>>,
right_ctx: Option<FunctionDiffContext<'_>>,
appearance: &Appearance,
ins_view_state: &FunctionViewState,
symbol_state: &SymbolViewState,
open_sections: (Option<bool>, Option<bool>),
) -> Option<DiffViewAction> {
let mut ret = None;
let left_len = left_ctx.and_then(|ctx| {
ctx.symbol_ref.map(|symbol_ref| ctx.diff.symbol_diff(symbol_ref).instructions.len())
});
let right_len = right_ctx.and_then(|ctx| {
ctx.symbol_ref.map(|symbol_ref| ctx.diff.symbol_diff(symbol_ref).instructions.len())
});
let instructions_len = match (left_len, right_len) {
(Some(left_len), Some(right_len)) => {
if left_len != right_len {
ui.label("Instruction count mismatch");
return None;
}
left_len
}
(Some(left_len), None) => left_len,
(None, Some(right_len)) => right_len,
(None, None) => {
ui.label("No symbol selected");
return None;
}
};
if left_len.is_some() && right_len.is_some() {
// Joint view
hotkeys::check_scroll_hotkeys(ui, true);
render_table(
ui,
available_width,
2,
appearance.code_font.size,
instructions_len,
|row, column| {
if column == 0 {
if let Some(ctx) = left_ctx {
if let Some(action) =
asm_col_ui(row, ctx, appearance, ins_view_state, column)
{
ret = Some(action);
}
}
} else if column == 1 {
if let Some(ctx) = right_ctx {
if let Some(action) =
asm_col_ui(row, ctx, appearance, ins_view_state, column)
{
ret = Some(action);
}
}
if row.response().clicked() {
ret = Some(DiffViewAction::ClearDiffHighlight);
}
}
},
);
} else {
// Split view, one side is the symbol list
render_strips(ui, available_width, 2, |ui, column| {
if column == 0 {
if let Some(ctx) = left_ctx {
if ctx.has_symbol() {
hotkeys::check_scroll_hotkeys(ui, false);
render_table(
ui,
available_width / 2.0,
1,
appearance.code_font.size,
instructions_len,
|row, column| {
if let Some(action) =
asm_col_ui(row, ctx, appearance, ins_view_state, column)
{
ret = Some(action);
}
if row.response().clicked() {
ret = Some(DiffViewAction::ClearDiffHighlight);
}
},
);
} else if let Some((right_ctx, right_symbol_ref)) =
right_ctx.and_then(|ctx| ctx.symbol_ref.map(|symbol_ref| (ctx, symbol_ref)))
{
if let Some(action) = symbol_list_ui(
ui,
SymbolDiffContext { obj: ctx.obj, diff: ctx.diff },
None,
symbol_state,
SymbolFilter::Mapping(right_symbol_ref),
appearance,
column,
open_sections.0,
) {
match action {
DiffViewAction::Navigate(DiffViewNavigation {
left_symbol: Some(left_symbol_ref),
..
}) => {
let (right_section, right_symbol) =
right_ctx.obj.section_symbol(right_symbol_ref);
ret = Some(DiffViewAction::SetMapping(
match right_section.map(|s| s.kind) {
Some(ObjSectionKind::Code) => View::FunctionDiff,
_ => View::SymbolDiff,
},
left_symbol_ref,
SymbolRefByName::new(right_symbol, right_section),
));
}
_ => {
ret = Some(action);
}
}
}
}
} else {
ui.label("No left object");
}
} else if column == 1 {
if let Some(ctx) = right_ctx {
if ctx.has_symbol() {
hotkeys::check_scroll_hotkeys(ui, false);
render_table(
ui,
available_width / 2.0,
1,
appearance.code_font.size,
instructions_len,
|row, column| {
if let Some(action) =
asm_col_ui(row, ctx, appearance, ins_view_state, column)
{
ret = Some(action);
}
if row.response().clicked() {
ret = Some(DiffViewAction::ClearDiffHighlight);
}
},
);
} else if let Some((left_ctx, left_symbol_ref)) =
left_ctx.and_then(|ctx| ctx.symbol_ref.map(|symbol_ref| (ctx, symbol_ref)))
{
if let Some(action) = symbol_list_ui(
ui,
SymbolDiffContext { obj: ctx.obj, diff: ctx.diff },
None,
symbol_state,
SymbolFilter::Mapping(left_symbol_ref),
appearance,
column,
open_sections.1,
) {
match action {
DiffViewAction::Navigate(DiffViewNavigation {
right_symbol: Some(right_symbol_ref),
..
}) => {
let (left_section, left_symbol) =
left_ctx.obj.section_symbol(left_symbol_ref);
ret = Some(DiffViewAction::SetMapping(
match left_section.map(|s| s.kind) {
Some(ObjSectionKind::Code) => View::FunctionDiff,
_ => View::SymbolDiff,
},
SymbolRefByName::new(left_symbol, left_section),
right_symbol_ref,
));
}
_ => {
ret = Some(action);
}
}
}
}
} else {
ui.label("No right object");
}
}
});
}
ret
}
#[derive(Clone, Copy)]
pub struct FunctionDiffContext<'a> {
pub obj: &'a ObjInfo,
pub diff: &'a ObjDiff,
pub symbol_ref: Option<SymbolRef>,
}
impl<'a> FunctionDiffContext<'a> {
pub fn new(
obj: Option<&'a (ObjInfo, ObjDiff)>,
selected_symbol: Option<&SymbolRefByName>,
) -> Option<Self> {
obj.map(|(obj, diff)| Self {
obj,
diff,
symbol_ref: selected_symbol.and_then(|s| find_symbol(obj, s)),
})
}
#[inline]
pub fn has_symbol(&self) -> bool { self.symbol_ref.is_some() }
}
#[must_use]
pub fn function_diff_ui(
ui: &mut egui::Ui,
state: &DiffViewState,
appearance: &Appearance,
) -> Option<DiffViewAction> {
let mut ret = None;
let Some(result) = &state.build else {
return ret;
};
let mut left_ctx = FunctionDiffContext::new(
result.first_obj.as_ref(),
state.symbol_state.left_symbol.as_ref(),
);
let mut right_ctx = FunctionDiffContext::new(
result.second_obj.as_ref(),
state.symbol_state.right_symbol.as_ref(),
);
// If one side is missing a symbol, but the diff process found a match, use that symbol
let left_diff_symbol = left_ctx.and_then(|ctx| {
ctx.symbol_ref.and_then(|symbol_ref| ctx.diff.symbol_diff(symbol_ref).target_symbol)
});
let right_diff_symbol = right_ctx.and_then(|ctx| {
ctx.symbol_ref.and_then(|symbol_ref| ctx.diff.symbol_diff(symbol_ref).target_symbol)
});
if left_diff_symbol.is_some() && right_ctx.is_some_and(|ctx| !ctx.has_symbol()) {
let (right_section, right_symbol) =
right_ctx.unwrap().obj.section_symbol(left_diff_symbol.unwrap());
let symbol_ref = SymbolRefByName::new(right_symbol, right_section);
right_ctx = FunctionDiffContext::new(result.second_obj.as_ref(), Some(&symbol_ref));
ret = Some(DiffViewAction::Navigate(DiffViewNavigation {
view: Some(View::FunctionDiff),
left_symbol: state.symbol_state.left_symbol.clone(),
right_symbol: Some(symbol_ref),
}));
} else if right_diff_symbol.is_some() && left_ctx.is_some_and(|ctx| !ctx.has_symbol()) {
let (left_section, left_symbol) =
left_ctx.unwrap().obj.section_symbol(right_diff_symbol.unwrap());
let symbol_ref = SymbolRefByName::new(left_symbol, left_section);
left_ctx = FunctionDiffContext::new(result.first_obj.as_ref(), Some(&symbol_ref));
ret = Some(DiffViewAction::Navigate(DiffViewNavigation {
view: Some(View::FunctionDiff),
left_symbol: Some(symbol_ref),
right_symbol: state.symbol_state.right_symbol.clone(),
}));
}
// If both sides are missing a symbol, switch to symbol diff view
if right_ctx.is_some_and(|ctx| !ctx.has_symbol())
&& left_ctx.is_some_and(|ctx| !ctx.has_symbol())
{
return Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
}
// Header
let available_width = ui.available_width();
let mut open_sections = (None, None);
render_header(ui, available_width, 2, |ui, column| {
if column == 0 {
// Left column
ui.horizontal(|ui| {
if ui.button("⏴ Back").clicked() || hotkeys::back_pressed(ui.ctx()) {
ret = Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
}
ui.separator();
if ui
.add_enabled(
!state.scratch_running
&& state.scratch_available
&& left_ctx.is_some_and(|ctx| ctx.has_symbol()),
egui::Button::new("📲 decomp.me"),
)
.on_hover_text_at_pointer("Create a new scratch on decomp.me (beta)")
.on_disabled_hover_text("Scratch configuration missing")
.clicked()
{
if let Some((_section, symbol)) = left_ctx.and_then(|ctx| {
ctx.symbol_ref.map(|symbol_ref| ctx.obj.section_symbol(symbol_ref))
}) {
ret = Some(DiffViewAction::CreateScratch(symbol.name.clone()));
}
}
});
if let Some((_section, symbol)) = left_ctx
.and_then(|ctx| ctx.symbol_ref.map(|symbol_ref| ctx.obj.section_symbol(symbol_ref)))
{
let name = symbol.demangled_name.as_deref().unwrap_or(&symbol.name);
ui.label(
RichText::new(name)
.font(appearance.code_font.clone())
.color(appearance.highlight_color),
);
if right_ctx.is_some_and(|m| m.has_symbol())
&& (ui
.button("Change target")
.on_hover_text_at_pointer("Choose a different symbol to use as the target")
.clicked()
|| hotkeys::consume_change_target_shortcut(ui.ctx()))
{
if let Some(symbol_ref) = state.symbol_state.right_symbol.as_ref() {
ret = Some(DiffViewAction::SelectingLeft(symbol_ref.clone()));
}
}
} else {
ui.label(
RichText::new("Missing")
.font(appearance.code_font.clone())
.color(appearance.replace_color),
);
ui.horizontal(|ui| {
ui.label(
RichText::new("Choose target symbol")
.font(appearance.code_font.clone())
.color(appearance.highlight_color),
);
ui.with_layout(Layout::right_to_left(egui::Align::TOP), |ui| {
if ui.small_button("").on_hover_text_at_pointer("Expand all").clicked() {
open_sections.0 = Some(true);
}
if ui.small_button("").on_hover_text_at_pointer("Collapse all").clicked()
{
open_sections.0 = Some(false);
}
})
});
}
} else if column == 1 {
// Right column
ui.horizontal(|ui| {
if ui.add_enabled(!state.build_running, egui::Button::new("Build")).clicked() {
ret = Some(DiffViewAction::Build);
}
ui.scope(|ui| {
ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
if state.build_running {
ui.colored_label(appearance.replace_color, "Building…");
} else {
ui.label("Last built:");
let format = format_description::parse("[hour]:[minute]:[second]").unwrap();
ui.label(
result.time.to_offset(appearance.utc_offset).format(&format).unwrap(),
);
}
});
ui.separator();
if ui
.add_enabled(state.source_path_available, egui::Button::new("🖹 Source file"))
.on_hover_text_at_pointer("Open the source file in the default editor")
.on_disabled_hover_text("Source file metadata missing")
.clicked()
{
ret = Some(DiffViewAction::OpenSourcePath);
}
});
if let Some(((_section, symbol), symbol_diff)) = right_ctx.and_then(|ctx| {
ctx.symbol_ref.map(|symbol_ref| {
(ctx.obj.section_symbol(symbol_ref), ctx.diff.symbol_diff(symbol_ref))
})
}) {
let name = symbol.demangled_name.as_deref().unwrap_or(&symbol.name);
ui.label(
RichText::new(name)
.font(appearance.code_font.clone())
.color(appearance.highlight_color),
);
ui.horizontal(|ui| {
if let Some(match_percent) = symbol_diff.match_percent {
ui.label(
RichText::new(format!("{:.0}%", match_percent.floor()))
.font(appearance.code_font.clone())
.color(match_color_for_symbol(match_percent, appearance)),
);
}
if left_ctx.is_some_and(|m| m.has_symbol()) {
ui.separator();
if ui
.button("Change base")
.on_hover_text_at_pointer(
"Choose a different symbol to use as the base",
)
.clicked()
|| hotkeys::consume_change_base_shortcut(ui.ctx())
{
if let Some(symbol_ref) = state.symbol_state.left_symbol.as_ref() {
ret = Some(DiffViewAction::SelectingRight(symbol_ref.clone()));
}
}
}
});
} else {
ui.label(
RichText::new("Missing")
.font(appearance.code_font.clone())
.color(appearance.replace_color),
);
ui.horizontal(|ui| {
ui.label(
RichText::new("Choose base symbol")
.font(appearance.code_font.clone())
.color(appearance.highlight_color),
);
ui.with_layout(Layout::right_to_left(egui::Align::TOP), |ui| {
if ui.small_button("").on_hover_text_at_pointer("Expand all").clicked() {
open_sections.1 = Some(true);
}
if ui.small_button("").on_hover_text_at_pointer("Collapse all").clicked()
{
open_sections.1 = Some(false);
}
})
});
}
}
});
// Table
let id = Id::new(state.symbol_state.left_symbol.as_ref().map(|s| s.symbol_name.as_str()))
.with(state.symbol_state.right_symbol.as_ref().map(|s| s.symbol_name.as_str()));
if let Some(action) = ui
.push_id(id, |ui| {
asm_table_ui(
ui,
available_width,
left_ctx,
right_ctx,
appearance,
&state.function_state,
&state.symbol_state,
open_sections,
)
})
.inner
{
ret = Some(action);
}
ret
}