Remove cruft. (#184)

Logging wasn't implemented fully nor getting used much.

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>

Cargo.toml

@@ -72,8 +72,6 @@ anyhow = {version = "1.0.66", features = ["backtrace"] }
 serde = {version = "1.0.150", features = ["derive", "rc"] }
 serde_json = {version = "1.0.89", features = ["arbitrary_precision"] }
 serde_yaml = {version = "0.9.16", optional = true }
-log = "0.4.17"
-env_logger="0.11.1"
 lazy_static = "1.4.0"
 rand = "0.8.5"
 num = "0.4.1"

examples/regorus.rs

@@ -184,10 +184,6 @@ struct Cli {
 
 fn main() -> Result<()> {
     use clap::Parser;
-    env_logger::builder()
-        .format_level(false)
-        .format_timestamp(None)
-        .init();
 
     // Parse and dispatch command.
     let cli = Cli::parse();

src/interpreter.rs

@@ -13,7 +13,6 @@ use crate::Rc;
 use crate::{Expression, Extension, Location, QueryResult, QueryResults};
 
 use anyhow::{anyhow, bail, Result};
-use log::info;
 use std::collections::btree_map::Entry as BTreeMapEntry;
 use std::collections::{hash_map::Entry, BTreeMap, BTreeSet, HashMap};
 use std::ops::Bound::*;
@@ -236,7 +235,6 @@ impl Interpreter {
 
     pub fn set_input(&mut self, input: Value) {
         self.input = input;
-        info!("input: {:#?}", self.input);
     }
 
     pub fn init_with_document(&mut self) -> Result<()> {
@@ -731,11 +729,6 @@ impl Interpreter {
         // TODO: optimize this
         self.variables_assignment(&name, &value)?;
 
-        info!(
-            "eval_assign_expr before, op: {:?}, lhs: {:?}, rhs: {:?}",
-            op, lhs, rhs
-        );
-
         Ok(Value::Bool(true))
     }
 
@@ -1323,13 +1316,6 @@ impl Interpreter {
     }
 
     fn eval_stmt(&mut self, stmt: &LiteralStmt, stmts: &[&LiteralStmt]) -> Result<bool> {
-        debug_new_group!(
-            "eval_stmt {}:{} {}",
-            stmt.span.line,
-            stmt.span.col,
-            stmt.span.text()
-        );
-
         let (saved_state, skip_exec) = self.apply_with_modifiers(stmt)?;
         let r = if !skip_exec {
             self.eval_stmt_impl(stmt, stmts)
@@ -2543,7 +2529,6 @@ impl Interpreter {
 
     fn lookup_var(&mut self, span: &Span, fields: &[&str], no_error: bool) -> Result<Value> {
         let name = span.source_str();
-        debug_new_group!("lookup_var: name={name}, fields={fields:?}, no_error={no_error}");
 
         // Return local variable/argument.
         if let Some(v) = self.lookup_local_var(&name) {
@@ -2648,13 +2633,6 @@ impl Interpreter {
     }
 
     fn eval_expr(&mut self, expr: &ExprRef) -> Result<Value> {
-        debug_new_group!(
-            "eval_expr: {}:{} {}",
-            expr.span().line,
-            expr.span().col,
-            expr.span().text()
-        );
-
         #[cfg(feature = "coverage")]
         if self.enable_coverage {
             let span = expr.span();
@@ -3402,12 +3380,8 @@ impl Interpreter {
     }
 
     pub fn create_rule_prefixes(&mut self) -> Result<()> {
-        debug_new_group!("create_rule_prefixes");
-        debug!("data before: {}", self.data);
-
         for module in self.modules.clone() {
             let module_path = Self::get_rule_path_components(&module.package.refr)?;
-            debug!("processing module {module_path:?}");
 
             for rule in &module.policy {
                 let rule_refr = Self::get_rule_refr(rule);
@@ -3443,7 +3417,7 @@ impl Interpreter {
                 }
             }
         }
-        debug!("data after: {}", self.data);
+
         Ok(())
     }
 

src/utils.rs

@@ -8,78 +8,6 @@ use crate::lexer::*;
 use std::collections::BTreeMap;
 
 use anyhow::{bail, Result};
-
-#[cfg(debug_assertions)]
-macro_rules! debug {
-    ($($arg:tt)+) => {
-	{
-	    if log::log_enabled!(log::Level::Debug) {
-		print!("{}:{}:", file!(), line!());
-		crate::utils::NESTING.with(|f| {
-		    print!("{}", "  ".repeat(*f.borrow() as usize));
-		});
-		println!($($arg)+);
-	    }
-	}
-    }
-
-}
-
-#[cfg(not(debug_assertions))]
-macro_rules! debug {
-    ($($arg:tt)+) => {};
-}
-
-#[allow(unused)]
-pub(crate) use debug;
-
-#[cfg(debug_assertions)]
-#[allow(unused)]
-macro_rules! debug_new_group {
-    ($($arg:tt)+) => {
-	debug!($($arg)+);
-	let _group = DebugNesting::new();
-    };
-}
-
-#[cfg(not(debug_assertions))]
-macro_rules! debug_new_group {
-    ($($arg:tt)+) => {};
-}
-
-#[allow(unused)]
-pub(crate) use debug_new_group;
-
-#[allow(unused)]
-pub struct DebugNesting {}
-
-#[cfg(debug_assertions)]
-thread_local!(pub static NESTING: std::cell::RefCell<u32> = std::cell::RefCell::new(1));
-
-impl DebugNesting {
-    #[cfg(debug_assertions)]
-    #[allow(unused)]
-    pub fn new() -> DebugNesting {
-        NESTING.with(|f| {
-            *f.borrow_mut() += 1;
-        });
-        DebugNesting {}
-    }
-}
-
-#[allow(unused)]
-impl Drop for DebugNesting {
-    #[cfg(debug_assertions)]
-    fn drop(&mut self) {
-        NESTING.with(|f| {
-            *f.borrow_mut() -= 1;
-        });
-    }
-
-    #[cfg(not(debug_assertions))]
-    fn drop(&mut self) {}
-}
-
 pub fn get_path_string(refr: &Expr, document: Option<&str>) -> Result<String> {
     let mut comps: Vec<&str> = vec![];
     let mut expr = Some(refr);