mirror of
https://github.com/zaphar/ucg.git
synced 2025-07-26 19:00:28 -04:00
Jeremy Wall
685ee7407e
The benefits are great enough to allow this and the benefits of not allowing closures are not terribly useful. We do not get the same benefits for modules though so we don't add it to them.
325 lines
11 KiB
Rust
325 lines
11 KiB
Rust
// Copyright 2017 Jeremy Wall <jeremy@marzhillstudios.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use super::assets::MemoryCache;
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use super::{CallDef, FileBuilder, MacroDef, SelectDef, Val};
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use crate::ast::*;
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use std;
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use std::cell::RefCell;
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use std::rc::Rc;
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fn test_expr_to_val(mut cases: Vec<(Expression, Val)>, b: FileBuilder) {
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for tpl in cases.drain(0..) {
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assert_eq!(
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b.eval_expr(&tpl.0, &b.scope.spawn_child()).unwrap(),
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Rc::new(tpl.1)
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);
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}
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}
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#[test]
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#[should_panic(expected = "Expected Float")]
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fn test_eval_div_expr_fail() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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test_expr_to_val(
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vec![(
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Expression::Binary(BinaryOpDef {
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kind: BinaryExprType::Div,
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left: Box::new(Expression::Simple(Value::Float(value_node!(
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2.0,
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Position::new(1, 1, 1)
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)))),
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right: Box::new(Expression::Simple(Value::Int(value_node!(
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2,
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Position::new(1, 1, 1)
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)))),
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pos: Position::new(1, 0, 0),
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}),
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Val::Float(1.0),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Expected Float")]
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fn test_eval_mul_expr_fail() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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test_expr_to_val(
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vec![(
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Expression::Binary(BinaryOpDef {
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kind: BinaryExprType::Mul,
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left: Box::new(Expression::Simple(Value::Float(value_node!(
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2.0,
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Position::new(1, 1, 1)
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)))),
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right: Box::new(Expression::Simple(Value::Int(value_node!(
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20,
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Position::new(1, 1, 1)
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)))),
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pos: Position::new(1, 0, 0),
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}),
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Val::Float(1.0),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Expected Float")]
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fn test_eval_subtract_expr_fail() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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test_expr_to_val(
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vec![(
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Expression::Binary(BinaryOpDef {
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kind: BinaryExprType::Sub,
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left: Box::new(Expression::Simple(Value::Float(value_node!(
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2.0,
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Position::new(1, 1, 1)
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)))),
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right: Box::new(Expression::Simple(Value::Int(value_node!(
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2,
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Position::new(1, 1, 1)
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)))),
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pos: Position::new(1, 0, 0),
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}),
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Val::Float(1.0),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Expected Float")]
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fn test_eval_add_expr_fail() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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test_expr_to_val(
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vec![(
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Expression::Binary(BinaryOpDef {
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kind: BinaryExprType::Add,
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left: Box::new(Expression::Simple(Value::Float(value_node!(
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2.0,
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Position::new(1, 1, 1)
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)))),
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right: Box::new(Expression::Simple(Value::Int(value_node!(
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2,
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Position::new(1, 1, 1)
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)))),
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pos: Position::new(1, 0, 0),
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}),
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Val::Float(1.0),
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)],
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b,
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);
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}
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#[test]
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fn test_eval_simple_lookup_error() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let mut b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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b.scope
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.build_output
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.entry(value_node!("var1".to_string(), Position::new(1, 0, 0)))
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.or_insert(Rc::new(Val::Int(1)));
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let expr = Expression::Simple(Value::Symbol(value_node!(
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"var".to_string(),
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Position::new(1, 1, 1)
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)));
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assert!(b.eval_expr(&expr, &b.scope.spawn_child()).is_err());
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}
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// Include nested for each.
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#[test]
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#[should_panic(expected = "Unable to find binding tpl1")]
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fn test_expr_copy_no_such_tuple() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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test_expr_to_val(
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vec![(
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Expression::Copy(CopyDef {
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selector: Value::Symbol(PositionedItem::new(
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"tpl1".to_string(),
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Position::new(1, 1, 1),
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)),
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fields: Vec::new(),
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pos: Position::new(1, 0, 0),
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}),
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Val::Tuple(Vec::new()),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Expected Tuple or Module got 1")]
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fn test_expr_copy_not_a_tuple() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let mut b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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b.scope
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.build_output
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.entry(value_node!("tpl1".to_string(), Position::new(1, 0, 0)))
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.or_insert(Rc::new(Val::Int(1)));
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test_expr_to_val(
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vec![(
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Expression::Copy(CopyDef {
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selector: Value::Symbol(PositionedItem::new(
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"tpl1".to_string(),
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Position::new(1, 1, 1),
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)),
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fields: Vec::new(),
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pos: Position::new(1, 0, 0),
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}),
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Val::Tuple(Vec::new()),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Expected type Integer for field fld1 but got String")]
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fn test_expr_copy_field_type_error() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let mut b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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b.scope
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.build_output
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.entry(value_node!("tpl1".to_string(), Position::new(1, 0, 0)))
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.or_insert(Rc::new(Val::Tuple(vec![(
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value_node!("fld1".to_string(), Position::new(1, 0, 0)),
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Rc::new(Val::Int(1)),
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)])));
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test_expr_to_val(
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vec![(
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Expression::Copy(CopyDef {
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selector: Value::Symbol(PositionedItem::new(
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"tpl1".to_string(),
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Position::new(1, 1, 1),
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)),
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fields: vec![(
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make_tok!("fld1", Position::new(1, 1, 1)),
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Expression::Simple(Value::Str(value_node!(
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"2".to_string(),
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Position::new(1, 1, 1)
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))),
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)],
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pos: Position::new(1, 0, 0),
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}),
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Val::Tuple(vec![(
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value_node!("fld1".to_string(), Position::new(1, 1, 1)),
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Rc::new(Val::Str("2".to_string())),
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)]),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Unable to find binding arg1")]
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fn test_macro_hermetic() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let mut b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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b.scope
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.build_output
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.entry(value_node!("arg1".to_string(), Position::new(1, 0, 0)))
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.or_insert(Rc::new(Val::Str("bar".to_string())));
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b.scope
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.build_output
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.entry(value_node!("tstmac".to_string(), Position::new(1, 0, 0)))
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.or_insert(Rc::new(Val::Macro(MacroDef {
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scope: None,
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argdefs: vec![value_node!("arg2".to_string(), Position::new(1, 0, 0))],
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fields: vec![(
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make_tok!("foo", Position::new(1, 1, 1)),
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Expression::Simple(Value::Symbol(value_node!(
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"arg1".to_string(),
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Position::new(1, 1, 1)
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))),
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)],
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pos: Position::new(1, 0, 0),
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})));
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test_expr_to_val(
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vec![(
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Expression::Call(CallDef {
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macroref: Value::Symbol(PositionedItem::new(
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"tstmac".to_string(),
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Position::new(1, 1, 1),
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)),
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arglist: vec![Expression::Simple(Value::Str(value_node!(
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"bar".to_string(),
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Position::new(1, 1, 1)
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)))],
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pos: Position::new(1, 1, 1),
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}),
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Val::Tuple(vec![(
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value_node!("foo".to_string(), Position::new(1, 1, 1)),
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Rc::new(Val::Str("bar".to_string())),
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)]),
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)],
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b,
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);
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}
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#[test]
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#[should_panic(expected = "Expected String but got Integer in Select expression")]
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fn test_select_expr_not_a_string() {
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let i_paths = Vec::new();
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let cache = Rc::new(RefCell::new(MemoryCache::new()));
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let mut b = FileBuilder::new(std::env::current_dir().unwrap(), &i_paths, cache);
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b.scope
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.build_output
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.entry(value_node!("foo".to_string(), Position::new(1, 0, 0)))
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.or_insert(Rc::new(Val::Int(4)));
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test_expr_to_val(
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vec![(
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Expression::Select(SelectDef {
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val: Box::new(Expression::Simple(Value::Symbol(value_node!(
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"foo".to_string(),
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Position::new(1, 1, 1)
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)))),
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default: Box::new(Expression::Simple(Value::Int(value_node!(
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1,
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Position::new(1, 1, 1)
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)))),
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tuple: vec![
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(
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make_tok!("bar", Position::new(1, 1, 1)),
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Expression::Simple(Value::Int(value_node!(2, Position::new(1, 1, 1)))),
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),
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(
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make_tok!("quux", Position::new(1, 1, 1)),
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Expression::Simple(Value::Str(value_node!(
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"2".to_string(),
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Position::new(1, 1, 1)
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))),
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),
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],
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pos: Position::new(1, 0, 0),
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}),
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Val::Int(2),
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)],
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b,
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);
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}
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