Ava Hahn
789349df48
This commit contains the following: * New data types to support full tracebacks * New traceback data type used across stl and ast * Updates to tests * fixes for error messaging in sym and some stl functions
283 lines
9.2 KiB
Rust
283 lines
9.2 KiB
Rust
mod func_tests {
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use relish::ast::lex;
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use relish::ast::{Args, Ctr, Seg, Symbol, ValueType, Traceback};
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use relish::ast::{SymTable, Type, UserFn, start_trace};
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use std::rc::Rc;
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#[test]
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fn decl_and_call_internal_func() {
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let mut syms = SymTable::new();
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let test_internal_func: Symbol = Symbol {
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name: String::from("test_func_in"),
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conditional_branches: false,
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docs: String::new(),
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args: Args::Strict(vec![Type::Bool]),
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value: ValueType::Internal(Rc::new(
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|a: &Seg, _: &mut SymTable| -> Result<Ctr, Traceback> {
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let inner = a;
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let mut is_bool = false;
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if let Ctr::Bool(_) = *inner.car {
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is_bool = true;
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}
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Ok(Ctr::Bool(is_bool))
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},
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)),
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..Default::default()
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};
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let args = Seg::from(Box::new(Ctr::Bool(true)), Box::new(Ctr::None));
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syms.insert(String::from("test_func_in"), test_internal_func);
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if let Ctr::Bool(b) = *syms
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.call_symbol(&"test_func_in".to_string(), &args, true)
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.unwrap()
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{
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assert!(b)
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}
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}
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#[test]
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fn decl_and_call_external_func_singlet() {
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let mut syms = SymTable::new();
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let finner = lex(&"input".to_string()).unwrap();
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let test_external_func: Symbol = Symbol {
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name: String::from("echo"),
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conditional_branches: false,
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args: Args::Lazy(1),
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docs: String::new(),
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value: ValueType::FuncForm(UserFn {
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arg_syms: vec!["input".to_string()],
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ast: finner,
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}),
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..Default::default()
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};
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let args = Seg::from(
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Box::new(Ctr::String("test".to_string())),
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Box::new(Ctr::None),
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);
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syms.insert(String::from("test_func_in"), test_external_func);
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if let Ctr::Bool(b) = *syms
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.call_symbol(&"test_func_in".to_string(), &args, true)
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.unwrap()
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{
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assert!(b)
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}
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}
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#[test]
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fn decl_and_call_external_func_multi_body() {
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let mut syms = SymTable::new();
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let finner = lex(&"input".to_string()).unwrap();
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let test_external_func: Symbol = Symbol {
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name: String::from("echo_2"),
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conditional_branches: false,
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args: Args::Lazy(1),
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docs: String::new(),
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value: ValueType::FuncForm(UserFn {
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arg_syms: vec!["input".to_string()],
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ast: finner,
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}),
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..Default::default()
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};
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let args = Seg::from(
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Box::new(Ctr::String("test".to_string())),
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Box::new(Ctr::None),
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);
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syms.insert(String::from("echo_2"), test_external_func);
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assert_eq!(
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*syms
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.call_symbol(&"echo_2".to_string(), &args, true)
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.unwrap()
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.to_string(),
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"'test'".to_string()
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);
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}
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#[test]
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fn decl_and_call_func_with_nested_call() {
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let mut syms = SymTable::new();
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let inner_func: Symbol = Symbol {
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name: String::from("test_inner"),
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conditional_branches: false,
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args: Args::Strict(vec![Type::Bool]),
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docs: String::new(),
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value: ValueType::Internal(Rc::new(
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|a: &Seg, _: &mut SymTable| -> Result<Ctr, Traceback> {
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let inner = a;
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if let Ctr::Bool(b) = *inner.car {
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if b {
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Ok(Ctr::String("test".to_string()))
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} else {
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Ok(Ctr::None)
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}
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} else {
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Err(start_trace(("", "not a bool".to_string()).into()))
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}
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},
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)),
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..Default::default()
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};
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let finner = lex(&"((test_inner true))".to_string()).unwrap();
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let outer_func: Symbol = Symbol {
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name: String::from("test_outer"),
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conditional_branches: false,
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args: Args::Lazy(1),
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docs: String::new(),
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value: ValueType::FuncForm(UserFn {
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arg_syms: vec!["input".to_string()],
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ast: finner,
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}),
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..Default::default()
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};
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let args = Seg::from(Box::new(Ctr::Bool(true)), Box::new(Ctr::None));
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syms.insert(String::from("test_inner"), inner_func);
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syms.insert(String::from("test_outer"), outer_func);
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assert_eq!(
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syms.call_symbol(&"test_outer".to_string(), &args, true)
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.unwrap()
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.to_string(),
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"'test'".to_string()
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);
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}
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#[test]
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fn arg_type_mismatch() {
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let mut syms = SymTable::new();
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let test_internal_func: Symbol = Symbol {
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name: String::from("test_func_in"),
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conditional_branches: false,
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args: Args::Strict(vec![Type::Bool]),
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docs: String::new(),
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value: ValueType::Internal(Rc::new(
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|a: &Seg, _: &mut SymTable| -> Result<Ctr, Traceback> {
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let inner = a;
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let mut is_bool = false;
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if let Ctr::Bool(_) = *inner.car {
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is_bool = true;
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}
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Ok(Ctr::Bool(is_bool))
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},
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)),
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..Default::default()
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};
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let args = Seg::from(Box::new(Ctr::Integer(1)), Box::new(Ctr::None));
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syms.insert(String::from("test_func_in"), test_internal_func);
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assert_eq!(
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syms.call_symbol(&"test_func_in".to_string(), &args, true)
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.err()
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.unwrap()
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.0
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.first()
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.unwrap()
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.message,
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"arg 1 expected to be bool".to_string(),
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);
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}
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#[test]
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fn too_many_args() {
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let mut syms = SymTable::new();
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let finner = lex(&"(input)".to_string()).unwrap();
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let test_external_func: Symbol = Symbol {
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name: String::from("echo"),
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conditional_branches: false,
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args: Args::Lazy(1),
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docs: String::new(),
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value: ValueType::FuncForm(UserFn {
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arg_syms: vec!["input".to_string()],
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ast: finner,
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}),
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..Default::default()
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};
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let args = Seg::from(
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Box::new(Ctr::String("test".to_string())),
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Box::new(Ctr::Seg(Seg::from_mono(Box::new(Ctr::Integer(1))))),
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);
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syms.insert(String::from("test_func_in"), test_external_func);
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assert_eq!(
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syms.call_symbol(&"test_func_in".to_string(), &args, true)
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.err()
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.unwrap()
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.0
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.first()
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.unwrap()
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.message,
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"expected 1 args. Got 2.".to_string(),
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);
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}
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#[test]
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fn too_few_args() {
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let mut syms = SymTable::new();
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let finner = lex(&"(input)".to_string()).unwrap();
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let test_external_func: Symbol = Symbol {
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name: String::from("echo"),
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conditional_branches: false,
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args: Args::Lazy(1),
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docs: String::new(),
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value: ValueType::FuncForm(UserFn {
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arg_syms: vec!["input".to_string()],
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ast: finner,
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}),
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..Default::default()
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};
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let args = Seg::new();
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syms.insert(String::from("test_func_in"), test_external_func);
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assert_eq!(
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syms.call_symbol(&"test_func_in".to_string(), &args, true)
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.err()
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.unwrap()
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.0
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.first()
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.unwrap()
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.message,
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"expected 1 args. Got 0.".to_string(),
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);
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}
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#[test]
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fn arg_cant_eval() {
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let mut syms = SymTable::new();
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let test_internal_func: Symbol = Symbol {
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name: String::from("test_func_in"),
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conditional_branches: false,
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args: Args::Strict(vec![Type::Bool]),
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docs: String::new(),
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value: ValueType::Internal(Rc::new(
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|a: &Seg, _: &mut SymTable| -> Result<Ctr, Traceback> {
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let inner = a;
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let mut is_bool = false;
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if let Ctr::Bool(_) = *inner.car {
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is_bool = true;
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}
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Ok(Ctr::Bool(is_bool))
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},
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)),
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..Default::default()
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};
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let args = Seg::from(
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Box::new(Ctr::Symbol("undefined-symbol".to_string())),
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Box::new(Ctr::None),
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);
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syms.insert(String::from("test_func_in"), test_internal_func);
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assert_eq!(
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syms.call_symbol(&"test_func_in".to_string(), &args, true)
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.err()
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.unwrap()
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.0
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.first()
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.unwrap()
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.message,
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"(is an undefined symbol)".to_string(),
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);
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}
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}
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