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//! Provides validations for unsafe code. Currently checks if unsafe functions are missing
//! unsafe blocks.
use std::sync::Arc;
use hir_def::FunctionId;
use hir_expand::diagnostics::DiagnosticSink;
use crate::{
db::HirDatabase, diagnostics::MissingUnsafe, expr::unsafe_expressions, InferenceResult,
};
pub use hir_def::{
body::{
scope::{ExprScopes, ScopeEntry, ScopeId},
Body, BodySourceMap, ExprPtr, ExprSource, PatPtr, PatSource,
},
expr::{
ArithOp, Array, BinaryOp, BindingAnnotation, CmpOp, Expr, ExprId, Literal, LogicOp,
MatchArm, Ordering, Pat, PatId, RecordFieldPat, RecordLitField, Statement, UnaryOp,
},
LocalFieldId, VariantId,
};
pub struct UnsafeValidator<'a, 'b: 'a> {
func: FunctionId,
infer: Arc<InferenceResult>,
sink: &'a mut DiagnosticSink<'b>,
}
impl<'a, 'b> UnsafeValidator<'a, 'b> {
pub fn new(
func: FunctionId,
infer: Arc<InferenceResult>,
sink: &'a mut DiagnosticSink<'b>,
) -> UnsafeValidator<'a, 'b> {
UnsafeValidator { func, infer, sink }
}
pub fn validate_body(&mut self, db: &dyn HirDatabase) {
let def = self.func.into();
let unsafe_expressions = unsafe_expressions(db, self.infer.as_ref(), def);
let func_data = db.function_data(self.func);
if func_data.is_unsafe
|| unsafe_expressions
.iter()
.filter(|unsafe_expr| !unsafe_expr.inside_unsafe_block)
.count()
== 0
{
return;
}
let (_, body_source) = db.body_with_source_map(def);
for unsafe_expr in unsafe_expressions {
if !unsafe_expr.inside_unsafe_block {
if let Ok(in_file) = body_source.as_ref().expr_syntax(unsafe_expr.expr) {
self.sink.push(MissingUnsafe { file: in_file.file_id, expr: in_file.value })
}
}
}
}
}
|
