2026-03-24 13:40:28 +00:00

566 lines
24 KiB
Rust

use crate::common::diagnostics::{Diagnostic, Severity};
use crate::frontends::pbs::ast::{AstArena, NodeKind};
use crate::analysis::symbols::{Symbol, SymbolArena, SymbolKind, DefIndex, DefKey, Namespace, NodeToSymbol, RefIndex};
use prometeu_analysis::{NameInterner, NodeId, ModuleId};
pub fn build_def_index(
arena: &AstArena,
module: ModuleId,
_interner: &NameInterner,
imports: Option<(&SymbolArena, &DefIndex)>,
) -> (SymbolArena, DefIndex, RefIndex, NodeToSymbol, Vec<Diagnostic>) {
let mut symbols = SymbolArena::new();
let mut index = DefIndex::new();
let mut ref_index = RefIndex::new();
let mut node_to_symbol = NodeToSymbol::new();
let mut diagnostics = Vec::new();
// Passo 1: Coletar definições top-level
for &root_id in &arena.roots {
let root_kind = arena.kind(root_id);
if let NodeKind::File(file_node) = root_kind {
for &decl_id in &file_node.decls {
let decl_kind = arena.kind(decl_id);
let span = arena.span(decl_id);
let result = match decl_kind {
NodeKind::FnDecl(fn_decl) => {
Some((fn_decl.name, SymbolKind::Function, Namespace::Value, fn_decl.vis.as_deref() == Some("pub")))
}
NodeKind::TypeDecl(type_decl) => {
let kind = match type_decl.type_kind.as_str() {
"struct" => SymbolKind::Struct,
"contract" => SymbolKind::Contract,
"error" => SymbolKind::ErrorType,
_ => SymbolKind::Type,
};
Some((type_decl.name, kind, Namespace::Type, type_decl.vis.as_deref() == Some("pub")))
}
NodeKind::ServiceDecl(service_decl) => {
Some((service_decl.name, SymbolKind::Service, Namespace::Service, service_decl.vis.as_deref() == Some("pub")))
}
_ => None,
};
if let Some((name, kind, namespace, exported)) = result {
let symbol = Symbol {
name,
kind,
exported,
module,
decl_span: span.clone(),
};
let symbol_id = symbols.insert(symbol);
node_to_symbol.bind_node(decl_id, symbol_id);
let key = DefKey {
module,
name,
namespace,
};
if let Err(mut diag) = index.insert_symbol(key, symbol_id) {
diag.span = span;
diagnostics.push(diag);
}
}
}
}
}
// Passo 2: Resolver referências (Identifiers)
for &root_id in &arena.roots {
walk_node(root_id, arena, module, &index, imports, &mut ref_index, &mut node_to_symbol, &mut diagnostics);
}
(symbols, index, ref_index, node_to_symbol, diagnostics)
}
fn walk_node(
node_id: NodeId,
arena: &AstArena,
module: ModuleId,
index: &DefIndex,
imports: Option<(&SymbolArena, &DefIndex)>,
ref_index: &mut RefIndex,
node_to_symbol: &mut NodeToSymbol,
diagnostics: &mut Vec<Diagnostic>,
) {
let kind = arena.kind(node_id);
let span = arena.span(node_id);
match kind {
NodeKind::File(file) => {
for &decl in &file.decls {
walk_node(decl, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::FnDecl(fn_decl) => {
walk_node(fn_decl.body, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Block(block) => {
for &stmt in &block.stmts {
walk_node(stmt, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
if let Some(tail) = block.tail {
walk_node(tail, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::LetStmt(let_stmt) => {
walk_node(let_stmt.init, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::ExprStmt(expr_stmt) => {
walk_node(expr_stmt.expr, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::ReturnStmt(ret) => {
if let Some(expr) = ret.expr {
walk_node(expr, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::Ident(ident) => {
let key = DefKey {
module,
name: ident.name,
namespace: Namespace::Value,
};
if let Some(symbol_id) = index.get(key) {
ref_index.record_ref(symbol_id, span.clone());
node_to_symbol.bind_node(node_id, symbol_id);
} else if let Some((import_arena, import_index)) = imports {
if let Some((_, symbol_id)) = import_index.get_by_name_any_module(ident.name, Namespace::Value) {
let symbol = import_arena.get(symbol_id);
if !symbol.exported && symbol.module != module {
diagnostics.push(Diagnostic {
severity: Severity::Error,
code: "E_RESOLVE_VISIBILITY".to_string(),
message: format!("Symbol is not exported from module {:?}", symbol.module),
span: span.clone(),
related: Vec::new(),
});
}
ref_index.record_ref(symbol_id, span.clone());
node_to_symbol.bind_node(node_id, symbol_id);
} else {
diagnostics.push(Diagnostic {
severity: Severity::Error,
code: "E_RESOLVE_UNDEFINED_IDENTIFIER".to_string(),
message: "Undefined identifier".to_string(),
span: span.clone(),
related: Vec::new(),
});
}
} else {
diagnostics.push(Diagnostic {
severity: Severity::Error,
code: "E_RESOLVE_UNDEFINED_IDENTIFIER".to_string(),
message: "Undefined identifier".to_string(),
span: span.clone(),
related: Vec::new(),
});
}
}
NodeKind::Call(call) => {
walk_node(call.callee, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
for &arg in &call.args {
walk_node(arg, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::Unary(unary) => {
walk_node(unary.expr, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Binary(binary) => {
walk_node(binary.left, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
walk_node(binary.right, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Cast(cast) => {
walk_node(cast.expr, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::IfExpr(if_expr) => {
walk_node(if_expr.cond, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
walk_node(if_expr.then_block, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
if let Some(else_block) = if_expr.else_block {
walk_node(else_block, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::WhenExpr(when_expr) => {
for &arm in &when_expr.arms {
walk_node(arm, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::WhenArm(when_arm) => {
walk_node(when_arm.cond, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
walk_node(when_arm.body, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Alloc(alloc) => {
walk_node(alloc.ty, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Mutate(mutate) => {
walk_node(mutate.target, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
walk_node(mutate.body, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Borrow(borrow) => {
walk_node(borrow.target, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
walk_node(borrow.body, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::Peek(peek) => {
walk_node(peek.target, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
walk_node(peek.body, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::MemberAccess(member) => {
walk_node(member.object, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
NodeKind::TypeDecl(type_decl) => {
if let Some(body) = type_decl.body {
walk_node(body, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::TypeBody(body) => {
for &method in &body.methods {
walk_node(method, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
NodeKind::ServiceDecl(service) => {
for &member in &service.members {
walk_node(member, arena, module, index, imports, ref_index, node_to_symbol, diagnostics);
}
}
// Nós literais ou que não contém outros nós para percorrer (neste nível)
NodeKind::IntLit(_) | NodeKind::FloatLit(_) | NodeKind::BoundedLit(_) | NodeKind::StringLit(_) |
NodeKind::TypeName(_) | NodeKind::TypeApp(_) | NodeKind::Import(_) | NodeKind::ImportSpec(_) |
NodeKind::ServiceFnSig(_) | NodeKind::ConstructorDecl(_) | NodeKind::ConstantDecl(_) => {}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::frontends::pbs::ast::{
AstArena, BlockNodeArena, CallNodeArena, ExprStmtNodeArena, FileNodeArena, FnDeclNodeArena,
IdentNodeArena, TypeDeclNodeArena,
};
use crate::common::spans::{Span, FileId};
#[test]
fn test_build_def_index_success() {
let mut arena = AstArena::default();
let mut interner = NameInterner::new();
// Create a dummy body for the function to avoid panic/invalid access
let body_id = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![], tail: None }), Span::new(FileId(0), 0, 0));
let fn_name = interner.intern("my_func");
let fn_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: Some("pub".to_string()),
name: fn_name,
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 10, 20));
let type_name = interner.intern("MyStruct");
let type_id = arena.push(NodeKind::TypeDecl(TypeDeclNodeArena {
vis: None,
type_kind: "struct".to_string(),
name: type_name,
is_host: false,
params: vec![],
constructors: vec![],
constants: vec![],
body: None,
}), Span::new(FileId(0), 30, 40));
let file_id = arena.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![fn_id, type_id],
}), Span::new(FileId(0), 0, 100));
arena.roots.push(file_id);
let (symbols, index, _ref_index, _node_to_symbol, diagnostics) = build_def_index(&arena, ModuleId(1), &interner, None);
assert!(diagnostics.is_empty());
assert_eq!(symbols.symbols.len(), 2);
let fn_sym_id = index.get(DefKey { module: ModuleId(1), name: fn_name, namespace: Namespace::Value }).unwrap();
let fn_sym = symbols.get(fn_sym_id);
assert_eq!(fn_sym.name, fn_name);
assert_eq!(fn_sym.kind, SymbolKind::Function);
assert!(fn_sym.exported);
let type_sym_id = index.get(DefKey { module: ModuleId(1), name: type_name, namespace: Namespace::Type }).unwrap();
let type_sym = symbols.get(type_sym_id);
assert_eq!(type_sym.name, type_name);
assert_eq!(type_sym.kind, SymbolKind::Struct);
assert!(!type_sym.exported);
}
#[test]
fn test_build_def_index_duplicate() {
let mut arena = AstArena::default();
let mut interner = NameInterner::new();
let name = interner.intern("conflict");
let body_id = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![], tail: None }), Span::new(FileId(0), 0, 0));
let fn1_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name,
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 10, 20));
let fn2_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name,
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 30, 40));
let file_id = arena.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![fn1_id, fn2_id],
}), Span::new(FileId(0), 0, 100));
arena.roots.push(file_id);
let (_symbols, _index, _ref_index, _node_to_symbol, diagnostics) = build_def_index(&arena, ModuleId(1), &interner, None);
assert_eq!(diagnostics.len(), 1);
assert_eq!(diagnostics[0].code, "E_RESOLVE_DUPLICATE_SYMBOL");
assert_eq!(diagnostics[0].span, Span::new(FileId(0), 30, 40));
}
#[test]
fn test_node_to_symbol_binding() {
let mut arena = AstArena::default();
let mut interner = NameInterner::new();
let name = interner.intern("bound_func");
let body_id = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![], tail: None }), Span::new(FileId(0), 0, 0));
let decl_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name,
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 10, 20));
let file_id = arena.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![decl_id],
}), Span::new(FileId(0), 0, 100));
arena.roots.push(file_id);
let (symbols, _index, _ref_index, node_to_symbol, _diagnostics) = build_def_index(&arena, ModuleId(1), &interner, None);
let symbol_id = node_to_symbol.get(decl_id).expect("Node should be bound to a symbol");
let symbol = symbols.get(symbol_id);
assert_eq!(symbol.name, name);
}
#[test]
fn test_resolve_undefined_identifier() {
let mut arena = AstArena::default();
let mut interner = NameInterner::new();
let ident_name = interner.intern("unknown");
let ident_id = arena.push(NodeKind::Ident(IdentNodeArena { name: ident_name }), Span::new(FileId(0), 50, 60));
let expr_stmt = arena.push(NodeKind::ExprStmt(ExprStmtNodeArena { expr: ident_id }), Span::new(FileId(0), 50, 60));
let body_id = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![expr_stmt], tail: None }), Span::new(FileId(0), 40, 70));
let fn_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name: interner.intern("main"),
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 10, 80));
let file_id = arena.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![fn_id],
}), Span::new(FileId(0), 0, 100));
arena.roots.push(file_id);
let (_symbols, _index, _ref_index, _node_to_symbol, diagnostics) = build_def_index(&arena, ModuleId(1), &interner, None);
assert_eq!(diagnostics.len(), 1);
assert_eq!(diagnostics[0].code, "E_RESOLVE_UNDEFINED_IDENTIFIER");
assert_eq!(diagnostics[0].span, Span::new(FileId(0), 50, 60));
}
#[test]
fn test_resolve_reference_success() {
let mut arena = AstArena::default();
let mut interner = NameInterner::new();
// fn target() {}
let target_name = interner.intern("target");
let target_body = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![], tail: None }), Span::new(FileId(0), 5, 5));
let target_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name: target_name,
params: vec![],
ret: None,
else_fallback: None,
body: target_body,
}), Span::new(FileId(0), 0, 10));
// fn caller() { target(); }
let ident_id = arena.push(NodeKind::Ident(IdentNodeArena { name: target_name }), Span::new(FileId(0), 50, 56));
let call_id = arena.push(NodeKind::Call(CallNodeArena { callee: ident_id, args: vec![] }), Span::new(FileId(0), 50, 58));
let expr_stmt = arena.push(NodeKind::ExprStmt(ExprStmtNodeArena { expr: call_id }), Span::new(FileId(0), 50, 58));
let body_id = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![expr_stmt], tail: None }), Span::new(FileId(0), 40, 70));
let caller_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name: interner.intern("caller"),
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 30, 80));
let file_id = arena.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![target_id, caller_id],
}), Span::new(FileId(0), 0, 100));
arena.roots.push(file_id);
let (_symbols, index, ref_index, node_to_symbol, diagnostics) = build_def_index(&arena, ModuleId(1), &interner, None);
assert!(diagnostics.is_empty(), "Diagnostics should be empty: {:?}", diagnostics);
let target_sym_id = index.get(DefKey { module: ModuleId(1), name: target_name, namespace: Namespace::Value }).expect("target should be in index");
let refs = ref_index.refs_of(target_sym_id);
assert_eq!(refs.len(), 1);
assert_eq!(refs[0], Span::new(FileId(0), 50, 56));
let bound_id = node_to_symbol.get(ident_id).expect("ident should be bound to symbol");
assert_eq!(bound_id, target_sym_id);
}
#[test]
fn test_resolve_visibility_violation() {
let mut interner = NameInterner::new();
// Módulo 1: define função privada
let mut arena1 = AstArena::default();
let target_name = interner.intern("private_func");
let body1 = arena1.push(NodeKind::Block(BlockNodeArena { stmts: vec![], tail: None }), Span::new(FileId(0), 0, 0));
let decl1 = arena1.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None, // Privado
name: target_name,
params: vec![],
ret: None,
else_fallback: None,
body: body1,
}), Span::new(FileId(0), 0, 10));
let file1 = arena1.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![decl1],
}), Span::new(FileId(0), 0, 100));
arena1.roots.push(file1);
let (symbols1, index1, _, _, _) = build_def_index(&arena1, ModuleId(1), &interner, None);
// Módulo 2: tenta usar função privada do Módulo 1
let mut arena2 = AstArena::default();
let ident_id = arena2.push(NodeKind::Ident(IdentNodeArena { name: target_name }), Span::new(FileId(0), 50, 62));
let expr_stmt = arena2.push(NodeKind::ExprStmt(ExprStmtNodeArena { expr: ident_id }), Span::new(FileId(0), 50, 62));
let body2 = arena2.push(NodeKind::Block(BlockNodeArena { stmts: vec![expr_stmt], tail: None }), Span::new(FileId(0), 40, 70));
let caller = arena2.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: Some("pub".to_string()),
name: interner.intern("caller"),
params: vec![],
ret: None,
else_fallback: None,
body: body2,
}), Span::new(FileId(0), 30, 80));
let file2 = arena2.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![caller],
}), Span::new(FileId(0), 0, 100));
arena2.roots.push(file2);
let (_symbols2, _index2, _ref_index2, _node_to_symbol2, diagnostics) =
build_def_index(&arena2, ModuleId(2), &interner, Some((&symbols1, &index1)));
assert_eq!(diagnostics.len(), 1);
assert_eq!(diagnostics[0].code, "E_RESOLVE_VISIBILITY");
assert_eq!(diagnostics[0].span, Span::new(FileId(0), 50, 62));
}
#[test]
fn test_determinism() {
let mut arena = AstArena::default();
let mut interner = NameInterner::new();
let target_name = interner.intern("target");
let target_body = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![], tail: None }), Span::new(FileId(0), 5, 5));
let target_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: Some("pub".to_string()),
name: target_name,
params: vec![],
ret: None,
else_fallback: None,
body: target_body,
}), Span::new(FileId(0), 0, 10));
let caller_name = interner.intern("caller");
let ident_id = arena.push(NodeKind::Ident(IdentNodeArena { name: target_name }), Span::new(FileId(0), 50, 56));
let call_id = arena.push(NodeKind::Call(CallNodeArena { callee: ident_id, args: vec![] }), Span::new(FileId(0), 50, 58));
let expr_stmt = arena.push(NodeKind::ExprStmt(ExprStmtNodeArena { expr: call_id }), Span::new(FileId(0), 50, 58));
let body_id = arena.push(NodeKind::Block(BlockNodeArena { stmts: vec![expr_stmt], tail: None }), Span::new(FileId(0), 40, 70));
let caller_id = arena.push(NodeKind::FnDecl(FnDeclNodeArena {
vis: None,
name: caller_name,
params: vec![],
ret: None,
else_fallback: None,
body: body_id,
}), Span::new(FileId(0), 30, 80));
let file_id = arena.push(NodeKind::File(FileNodeArena {
imports: vec![],
decls: vec![target_id, caller_id],
}), Span::new(FileId(0), 0, 100));
arena.roots.push(file_id);
let run1 = build_def_index(&arena, ModuleId(1), &interner, None);
let run2 = build_def_index(&arena, ModuleId(1), &interner, None);
// runX is (SymbolArena, DefIndex, RefIndex, NodeToSymbol, Vec<Diagnostic>)
let json1_symbols = serde_json::to_string(&run1.0).unwrap();
let json2_symbols = serde_json::to_string(&run2.0).unwrap();
assert_eq!(json1_symbols, json2_symbols, "SymbolArena should be deterministic");
let json1_refs = serde_json::to_string(&run1.2).unwrap();
let json2_refs = serde_json::to_string(&run2.2).unwrap();
assert_eq!(json1_refs, json2_refs, "RefIndex should be deterministic");
let json1_node_to_symbol = serde_json::to_string(&run1.3).unwrap();
let json2_node_to_symbol = serde_json::to_string(&run2.3).unwrap();
assert_eq!(json1_node_to_symbol, json2_node_to_symbol, "NodeToSymbol should be deterministic");
let json1_diags = serde_json::to_string(&run1.4).unwrap();
let json2_diags = serde_json::to_string(&run2.4).unwrap();
assert_eq!(json1_diags, json2_diags, "Diagnostics should be deterministic");
}
}