use crate::engine::VertexId;
use crate::engine::VertexKind;
use crate::engine::eval::Engine;
use crate::traits::{
EvaluationContext, FunctionProvider, NamedRangeResolver, Range, RangeResolver,
ReferenceResolver, Resolver, SourceResolver, Table, TableResolver,
};
use formualizer_common::{ExcelError, LiteralValue};
use formualizer_parse::parser::{ReferenceType, TableReference};
use rustc_hash::FxHashSet;
use std::sync::Mutex;
use crate::interpreter::Interpreter;
pub struct DynamicRefCollector<'a, R: EvaluationContext> {
pub engine: &'a Engine<R>,
pub current_sheet: &'a str,
pub collected: Mutex<FxHashSet<VertexId>>,
}
impl<'a, R: EvaluationContext> DynamicRefCollector<'a, R> {
pub fn new(engine: &'a Engine<R>, current_sheet: &'a str) -> Self {
Self {
engine,
current_sheet,
collected: Mutex::new(FxHashSet::default()),
}
}
fn collect_formula_vertices_in_rect(
&self,
sheet_name: &str,
sr: u32,
sc: u32,
er: u32,
ec: u32,
) {
let Some(sheet_id) = self.engine.graph.sheet_id(sheet_name) else {
return;
};
let Some(index) = self.engine.graph.sheet_index(sheet_id) else {
return;
};
let sr0 = sr.saturating_sub(1);
let er0 = er.saturating_sub(1);
let sc0 = sc.saturating_sub(1);
let ec0 = ec.saturating_sub(1);
let mut out = self.collected.lock().unwrap();
for u in index.vertices_in_col_range(sc0, ec0) {
let row0 = self.engine.graph.vertex_coord(u).row();
if row0 < sr0 || row0 > er0 {
continue;
}
match self.engine.graph.get_vertex_kind(u) {
VertexKind::FormulaScalar | VertexKind::FormulaArray => {
if self.engine.graph.is_dirty(u) || self.engine.graph.is_volatile(u) {
out.insert(u);
}
}
_ => {}
}
}
}
}
impl<'a, R: EvaluationContext> ReferenceResolver for DynamicRefCollector<'a, R> {
fn resolve_cell_reference(
&self,
sheet: Option<&str>,
row: u32,
col: u32,
) -> Result<LiteralValue, ExcelError> {
let sheet_name = sheet.unwrap_or(self.current_sheet);
if let Some(&vid) = self
.engine
.graph
.get_vertex_id_for_address(&self.engine.graph.make_cell_ref(sheet_name, row, col))
{
self.collected.lock().unwrap().insert(vid);
}
self.engine.resolve_cell_reference(sheet, row, col)
}
}
impl<'a, R: EvaluationContext> RangeResolver for DynamicRefCollector<'a, R> {
fn resolve_range_reference(
&self,
sheet: Option<&str>,
sr: Option<u32>,
sc: Option<u32>,
er: Option<u32>,
ec: Option<u32>,
) -> Result<Box<dyn Range>, ExcelError> {
let sheet_name = sheet.unwrap_or(self.current_sheet);
let srv = sr.unwrap_or(1u32);
let scv = sc.unwrap_or(1u32);
let erv = er.unwrap_or(srv);
let ecv = ec.unwrap_or(scv);
self.collect_formula_vertices_in_rect(sheet_name, srv, scv, erv, ecv);
self.engine.resolve_range_reference(sheet, sr, sc, er, ec)
}
}
impl<'a, R: EvaluationContext> NamedRangeResolver for DynamicRefCollector<'a, R> {
fn resolve_named_range_reference(
&self,
name: &str,
) -> Result<Vec<Vec<LiteralValue>>, ExcelError> {
self.engine.resolve_named_range_reference(name)
}
}
impl<'a, R: EvaluationContext> TableResolver for DynamicRefCollector<'a, R> {
fn resolve_table_reference(&self, tref: &TableReference) -> Result<Box<dyn Table>, ExcelError> {
self.engine.resolve_table_reference(tref)
}
}
impl<'a, R: EvaluationContext> SourceResolver for DynamicRefCollector<'a, R> {
fn source_scalar_version(&self, name: &str) -> Option<u64> {
self.engine.source_scalar_version(name)
}
fn resolve_source_scalar(&self, name: &str) -> Result<LiteralValue, ExcelError> {
self.engine.resolve_source_scalar(name)
}
fn source_table_version(&self, name: &str) -> Option<u64> {
self.engine.source_table_version(name)
}
fn resolve_source_table(&self, name: &str) -> Result<Box<dyn Table>, ExcelError> {
self.engine.resolve_source_table(name)
}
}
impl<'a, R: EvaluationContext> Resolver for DynamicRefCollector<'a, R> {}
impl<'a, R: EvaluationContext> FunctionProvider for DynamicRefCollector<'a, R> {
fn get_function(
&self,
ns: &str,
name: &str,
) -> Option<std::sync::Arc<dyn crate::traits::Function>> {
self.engine.get_function(ns, name)
}
}
impl<'a, R: EvaluationContext> EvaluationContext for DynamicRefCollector<'a, R> {
fn resolve_range_view<'c>(
&'c self,
reference: &ReferenceType,
current_sheet: &str,
) -> Result<crate::engine::range_view::RangeView<'c>, ExcelError> {
match reference {
ReferenceType::Cell {
sheet, row, col, ..
} => {
let sheet_name = sheet.as_deref().unwrap_or(current_sheet);
self.collect_formula_vertices_in_rect(sheet_name, *row, *col, *row, *col);
}
ReferenceType::Range {
sheet,
start_row,
start_col,
end_row,
end_col,
..
} => {
let sheet_name = sheet.as_deref().unwrap_or(current_sheet);
let srv = start_row.unwrap_or(1u32);
let scv = start_col.unwrap_or(1u32);
let erv = end_row.unwrap_or(srv);
let ecv = end_col.unwrap_or(scv);
self.collect_formula_vertices_in_rect(sheet_name, srv, scv, erv, ecv);
}
ReferenceType::NamedRange(name) => {
let sid = self.engine.sheet_id(current_sheet);
if let Some(s) = sid
&& let Some(nr) = self.engine.graph.resolve_name_entry(name, s)
{
let vid = nr.vertex;
self.collected.lock().unwrap().insert(vid);
}
}
ReferenceType::Table(_) => {
}
_ => {}
}
self.engine.resolve_range_view(reference, current_sheet)
}
}
pub struct RangeVirtualDepProvider;
impl RangeVirtualDepProvider {
pub fn get_virtual_deps<R: EvaluationContext>(
engine: &Engine<R>,
v: VertexId,
) -> Vec<VertexId> {
let mut deps = Vec::new();
if let Some(ranges) = engine.graph.get_range_dependencies(v) {
let current_sheet_id = engine.graph.get_vertex_sheet_id(v);
for r in ranges {
let sheet_id = match r.sheet {
formualizer_common::SheetLocator::Id(id) => id,
_ => current_sheet_id,
};
let sheet_name = engine.graph.sheet_name(sheet_id);
let mut sr = r.start_row.map(|b| b.index + 1);
let mut sc = r.start_col.map(|b| b.index + 1);
let mut er = r.end_row.map(|b| b.index + 1);
let mut ec = r.end_col.map(|b| b.index + 1);
if sr.is_none() && er.is_none() {
let scv = sc.unwrap_or(1u32);
let ecv = ec.unwrap_or(scv);
if let Some((min_r, max_r)) = engine.used_rows_for_columns(sheet_name, scv, ecv)
{
sr = Some(min_r);
er = Some(max_r);
} else if let Some((_max_rows, _)) = engine.sheet_bounds(sheet_name) {
sr = Some(1);
er = Some(engine.config.max_open_ended_rows);
}
}
if sc.is_none() && ec.is_none() {
let srv = sr.unwrap_or(1u32);
let erv = er.unwrap_or(srv);
if let Some((min_c, max_c)) = engine.used_cols_for_rows(sheet_name, srv, erv) {
sc = Some(min_c);
ec = Some(max_c);
} else if let Some((_, _max_cols)) = engine.sheet_bounds(sheet_name) {
sc = Some(1);
ec = Some(engine.config.max_open_ended_cols);
}
}
if sr.is_some() && er.is_none() {
let scv = sc.unwrap_or(1u32);
let ecv = ec.unwrap_or(scv);
if let Some((_, max_r)) = engine.used_rows_for_columns(sheet_name, scv, ecv) {
er = Some(max_r);
} else if let Some((_max_rows, _)) = engine.sheet_bounds(sheet_name) {
er = Some(engine.config.max_open_ended_rows);
}
}
if er.is_some() && sr.is_none() {
let scv = sc.unwrap_or(1u32);
let ecv = ec.unwrap_or(scv);
if let Some((min_r, _)) = engine.used_rows_for_columns(sheet_name, scv, ecv) {
sr = Some(min_r);
} else {
sr = Some(1);
}
}
if sc.is_some() && ec.is_none() {
let srv = sr.unwrap_or(1u32);
let erv = er.unwrap_or(srv);
if let Some((_, max_c)) = engine.used_cols_for_rows(sheet_name, srv, erv) {
ec = Some(max_c);
} else if let Some((_, _max_cols)) = engine.sheet_bounds(sheet_name) {
ec = Some(engine.config.max_open_ended_cols);
}
}
if ec.is_some() && sc.is_none() {
let srv = sr.unwrap_or(1u32);
let erv = er.unwrap_or(srv);
if let Some((min_c, _)) = engine.used_cols_for_rows(sheet_name, srv, erv) {
sc = Some(min_c);
} else {
sc = Some(1);
}
}
let sr = sr.unwrap_or(1);
let sc = sc.unwrap_or(1);
let er = er.unwrap_or(sr.saturating_sub(1));
let ec = ec.unwrap_or(sc.saturating_sub(1));
if er < sr || ec < sc {
continue;
}
if let Some(index) = engine.graph.sheet_index(sheet_id) {
let sr0 = sr.saturating_sub(1);
let er0 = er.saturating_sub(1);
let sc0 = sc.saturating_sub(1);
let ec0 = ec.saturating_sub(1);
for u in index.vertices_in_col_range(sc0, ec0) {
let pc = engine.graph.vertex_coord(u);
let row0 = pc.row();
if row0 < sr0 || row0 > er0 {
continue;
}
match engine.graph.get_vertex_kind(u) {
VertexKind::FormulaScalar | VertexKind::FormulaArray => {
if (engine.graph.is_dirty(u) || engine.graph.is_volatile(u))
&& u != v
{
deps.push(u);
}
}
_ => {}
}
}
}
}
}
deps
}
}
pub struct VirtualDepBuilder<'a, R: EvaluationContext> {
engine: &'a Engine<R>,
}
impl<'a, R: EvaluationContext> VirtualDepBuilder<'a, R> {
pub fn new(engine: &'a Engine<R>) -> Self {
Self { engine }
}
pub fn build(
&self,
candidates: &[VertexId],
) -> (
rustc_hash::FxHashMap<VertexId, Vec<VertexId>>,
Vec<VertexId>,
) {
let mut vdeps: rustc_hash::FxHashMap<VertexId, Vec<VertexId>> =
rustc_hash::FxHashMap::default();
let augmented_vertices: Vec<VertexId> = Vec::new();
for &v in candidates {
let mut deps = RangeVirtualDepProvider::get_virtual_deps(self.engine, v);
let dynamic_deps = DynamicRefVirtualDepProvider::get_virtual_deps(self.engine, v);
deps.extend(dynamic_deps);
deps.sort_unstable();
deps.dedup();
if !deps.is_empty() {
vdeps.insert(v, deps);
}
}
(vdeps, augmented_vertices)
}
}
pub struct DynamicRefVirtualDepProvider;
impl DynamicRefVirtualDepProvider {
pub fn get_virtual_deps<R: EvaluationContext>(
engine: &Engine<R>,
v: VertexId,
) -> Vec<VertexId> {
let mut deps = Vec::new();
if engine.graph.is_dynamic(v) {
if let Some(ast_id) = engine.graph.get_formula_id(v) {
let sheet_id = engine.graph.get_vertex_sheet_id(v);
let sheet_name = engine.graph.sheet_name(sheet_id);
let collector = DynamicRefCollector::new(engine, sheet_name);
let cell_ref = engine
.graph
.get_cell_ref(v)
.unwrap_or_else(|| engine.graph.make_cell_ref(sheet_name, 0, 0));
let interpreter = Interpreter::new_with_cell(&collector, sheet_name, cell_ref);
let _ = interpreter.evaluate_arena_ast(
ast_id,
engine.graph.data_store(),
engine.graph.sheet_reg(),
);
deps.extend(
collector
.collected
.lock()
.unwrap()
.iter()
.copied()
.filter(|&u| u != v),
);
}
}
deps
}
}