Implemented an abstraction for extracting flags from builtins

This commit is contained in:
2025-03-22 20:10:47 -04:00
parent 26fc4669f0
commit 8fffe1cd71
18 changed files with 567 additions and 17 deletions

View File

@@ -17,7 +17,7 @@ fn simple_expansion() {
let var_tk = tokens.pop().unwrap();
let var_span = var_tk.span.clone();
let exp_tk = var_tk.expand(var_span, TkFlags::empty());
let exp_tk = var_tk.expand(var_span, TkFlags::empty()).unwrap();
write_vars(|v| v.vars_mut().clear());
insta::assert_debug_snapshot!(exp_tk.get_words())
}
@@ -62,6 +62,16 @@ fn expand_multiple_aliases() {
assert_eq!(result.as_str(),"echo foo; echo bar; echo biz")
}
#[test]
fn alias_in_arg_position() {
write_logic(|l| l.insert_alias("foo", "echo foo"));
let input = String::from("echo foo");
let result = expand_aliases(input.clone(), HashSet::new());
assert_eq!(input,result)
}
#[test]
fn expand_recursive_alias() {
write_logic(|l| l.insert_alias("foo", "echo foo"));
@@ -74,9 +84,9 @@ fn expand_recursive_alias() {
#[test]
fn test_infinite_recursive_alias() {
write_logic(|l| l.insert_alias("foo", "foo"));
write_logic(|l| l.insert_alias("foo", "foo bar"));
let input = String::from("foo");
let result = expand_aliases(input, HashSet::new());
assert_eq!(result.as_str(),"foo")
assert_eq!(result.as_str(),"foo bar")
}

37
src/tests/getopt.rs Normal file
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@@ -0,0 +1,37 @@
use getopt::get_opts_from_tokens;
use parse::NdRule;
use tests::get_nodes;
use super::super::*;
#[test]
fn getopt_from_argv() {
let node = get_nodes("echo -n -e foo", |node| matches!(node.class, NdRule::Command {..}))
.pop()
.unwrap();
let NdRule::Command { assignments, argv } = node.class else {
panic!()
};
let (words,opts) = get_opts_from_tokens(argv);
insta::assert_debug_snapshot!(words);
insta::assert_debug_snapshot!(opts)
}
#[test]
fn getopt_simple() {
let raw = "echo -n foo".split_whitespace().map(|s| s.to_string()).collect::<Vec<_>>();
let (words,opts) = get_opts(raw);
insta::assert_debug_snapshot!(words);
insta::assert_debug_snapshot!(opts);
}
#[test]
fn getopt_multiple_short() {
let raw = "echo -nre foo".split_whitespace().map(|s| s.to_string()).collect::<Vec<_>>();
let (words,opts) = get_opts(raw);
insta::assert_debug_snapshot!(words);
insta::assert_debug_snapshot!(opts);
}

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@@ -1,5 +1,32 @@
use std::rc::Rc;
use crate::parse::{lex::{LexFlags, LexStream}, node_operation, Node, ParseStream};
pub mod lexer;
pub mod parser;
pub mod expand;
pub mod term;
pub mod error;
pub mod getopt;
/// Unsafe to use outside of tests
pub fn get_nodes<F1>(input: &str, filter: F1) -> Vec<Node>
where
F1: Fn(&Node) -> bool
{
let mut nodes = vec![];
let tokens = LexStream::new(Rc::new(input.into()), LexFlags::empty())
.map(|tk| tk.unwrap())
.collect::<Vec<_>>();
let mut parsed_nodes = ParseStream::new(tokens)
.map(|nd| nd.unwrap())
.collect::<Vec<_>>();
for node in parsed_nodes.iter_mut() {
node_operation(node,
&filter,
&mut |node: &mut Node| nodes.push(node.clone())
);
}
nodes
}

View File

@@ -1,3 +1,5 @@
use parse::{node_operation, NdRule, Node};
use super::super::*;
#[test]
@@ -196,3 +198,22 @@ fn parse_cursed() {
// 15,000 line snapshot file btw
insta::assert_debug_snapshot!(nodes)
}
#[test]
fn test_node_operation() {
let input = String::from("echo hello world; echo foo bar");
let mut check_nodes = vec![];
let mut tokens: Vec<Tk> = LexStream::new(input.into(), LexFlags::empty())
.map(|tk| tk.unwrap())
.collect();
let nodes = ParseStream::new(tokens)
.map(|nd| nd.unwrap());
for mut node in nodes {
node_operation(&mut node,
&|node: &Node| matches!(node.class, NdRule::Command {..}),
&mut |node: &mut Node| check_nodes.push(node.clone()),
);
}
insta::assert_debug_snapshot!(check_nodes)
}

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@@ -0,0 +1,12 @@
---
source: src/tests/getopt.rs
expression: opts
---
[
Short(
'n',
),
Short(
'e',
),
]

View File

@@ -0,0 +1,26 @@
---
source: src/tests/getopt.rs
expression: words
---
[
Tk {
class: Str,
span: Span {
range: 0..4,
source: "echo -n -e foo",
},
flags: TkFlags(
IS_CMD | BUILTIN,
),
},
Tk {
class: Str,
span: Span {
range: 11..14,
source: "echo -n -e foo",
},
flags: TkFlags(
0x0,
),
},
]

View File

@@ -0,0 +1,15 @@
---
source: src/tests/getopt.rs
expression: opts
---
[
Short(
'n',
),
Short(
'r',
),
Short(
'e',
),
]

View File

@@ -0,0 +1,8 @@
---
source: src/tests/getopt.rs
expression: words
---
[
"echo",
"foo",
]

View File

@@ -0,0 +1,9 @@
---
source: src/tests/getopt.rs
expression: opts
---
[
Short(
'n',
),
]

View File

@@ -0,0 +1,8 @@
---
source: src/tests/getopt.rs
expression: words
---
[
"echo",
"foo",
]

View File

@@ -0,0 +1,162 @@
---
source: src/tests/parser.rs
expression: check_nodes
---
[
Node {
class: Command {
assignments: [],
argv: [
Tk {
class: Str,
span: Span {
range: 0..4,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
IS_CMD | BUILTIN,
),
},
Tk {
class: Str,
span: Span {
range: 5..10,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 11..16,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 0..4,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
IS_CMD | BUILTIN,
),
},
Tk {
class: Str,
span: Span {
range: 5..10,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 11..16,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Sep,
span: Span {
range: 16..18,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
],
},
Node {
class: Command {
assignments: [],
argv: [
Tk {
class: Str,
span: Span {
range: 18..22,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
IS_CMD | BUILTIN,
),
},
Tk {
class: Str,
span: Span {
range: 23..26,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 27..30,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 18..22,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
IS_CMD | BUILTIN,
),
},
Tk {
class: Str,
span: Span {
range: 23..26,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 27..30,
source: "echo hello world; echo foo bar",
},
flags: TkFlags(
0x0,
),
},
],
},
]