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Implemented case statements

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This commit is contained in:
pagedmov
2025-03-19 02:16:53 -04:00
parent 19dee4bcd6
commit aa2684546e
12 changed files with 2809 additions and 100 deletions
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8
src/tests/lexer.rs
View File

@@ -42,3 +42,11 @@ fn lex_multiline() {
insta::assert_debug_snapshot!(tokens)
}
#[test]
fn lex_case() {
let input = "case $foo in foo) bar;; bar) foo;; biz) baz;; esac";
let tokens: Vec<_> = LexStream::new(Rc::new(input.to_string()), LexFlags::empty()).collect();
insta::assert_debug_snapshot!(tokens)
}

46
src/tests/parser.rs
View File

@@ -138,3 +138,49 @@ done";
insta::assert_debug_snapshot!(nodes)
}
#[test]
fn parse_case_simple() {
let input = "case foo in foo) bar;; bar) foo;; biz) baz;; esac";
let tk_stream: Vec<_> = LexStream::new(Rc::new(input.to_string()), LexFlags::empty())
.map(|tk| tk.unwrap())
.collect();
let nodes: Vec<_> = ParseStream::new(tk_stream).collect();
insta::assert_debug_snapshot!(nodes)
}
#[test]
fn parse_case_multiline() {
let input = "case foo in
foo) bar
;;
bar) foo
;;
biz) baz
;;
esac";
let tk_stream: Vec<_> = LexStream::new(Rc::new(input.to_string()), LexFlags::empty())
.map(|tk| tk.unwrap())
.collect();
let nodes: Vec<_> = ParseStream::new(tk_stream).collect();
insta::assert_debug_snapshot!(nodes)
}
#[test]
fn parse_case_nested() {
let input = "case foo in
foo) if true; then
echo foo
fi
;;
bar) if false; then
echo bar
fi
;;
esac";
let tk_stream: Vec<_> = LexStream::new(Rc::new(input.to_string()), LexFlags::empty())
.map(|tk| tk.unwrap())
.collect();
let nodes: Vec<_> = ParseStream::new(tk_stream).collect();
insta::assert_debug_snapshot!(nodes)
}

186
src/tests/snapshots/fern__tests__lexer__lex_case.snap Normal file
View File

@@ -0,0 +1,186 @@
---
source: src/tests/lexer.rs
expression: tokens
---
[
Ok(
Tk {
class: SOI,
span: Span {
range: 0..0,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 0..4,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
KEYWORD,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 5..9,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 10..12,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
KEYWORD,
),
},
),
Ok(
Tk {
class: CasePattern,
span: Span {
range: 13..17,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 18..21,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
IS_CMD,
),
},
),
Ok(
Tk {
class: Sep,
span: Span {
range: 21..24,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: CasePattern,
span: Span {
range: 24..28,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 29..32,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
IS_CMD,
),
},
),
Ok(
Tk {
class: Sep,
span: Span {
range: 32..35,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: CasePattern,
span: Span {
range: 35..39,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 40..43,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
IS_CMD,
),
},
),
Ok(
Tk {
class: Sep,
span: Span {
range: 43..46,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
Ok(
Tk {
class: Str,
span: Span {
range: 46..50,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
KEYWORD,
),
},
),
Ok(
Tk {
class: EOI,
span: Span {
range: 50..50,
source: "case $foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
),
]

595
src/tests/snapshots/fern__tests__parser__parse_case_multiline.snap Normal file
View File

@@ -0,0 +1,595 @@
---
source: src/tests/parser.rs
expression: nodes
---
[
Ok(
Node {
class: Conjunction {
elements: [
ConjunctNode {
cmd: Node {
class: CaseNode {
pattern: Tk {
class: Str,
span: Span {
range: 5..8,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
case_blocks: [
CaseNode {
pattern: Tk {
class: CasePattern,
span: Span {
range: 13..17,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
body: [
Node {
class: Pipeline {
cmds: [
Node {
class: Command {
assignments: [],
argv: [
Tk {
class: Str,
span: Span {
range: 18..21,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 18..21,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 21..27,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
pipe_err: false,
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 18..21,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 21..27,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
},
CaseNode {
pattern: Tk {
class: CasePattern,
span: Span {
range: 27..31,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
body: [
Node {
class: Pipeline {
cmds: [
Node {
class: Command {
assignments: [],
argv: [
Tk {
class: Str,
span: Span {
range: 32..35,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 32..35,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 35..41,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
pipe_err: false,
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 32..35,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 35..41,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
},
CaseNode {
pattern: Tk {
class: CasePattern,
span: Span {
range: 41..45,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
body: [
Node {
class: Pipeline {
cmds: [
Node {
class: Command {
assignments: [],
argv: [
Tk {
class: Str,
span: Span {
range: 46..49,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 46..49,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 49..54,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
pipe_err: false,
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 46..49,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 49..54,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 0..4,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
KEYWORD,
),
},
Tk {
class: Str,
span: Span {
range: 5..8,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 9..11,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
KEYWORD,
),
},
Tk {
class: Sep,
span: Span {
range: 11..13,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: CasePattern,
span: Span {
range: 13..17,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 18..21,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 21..27,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: CasePattern,
span: Span {
range: 27..31,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 32..35,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 35..41,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: CasePattern,
span: Span {
range: 41..45,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 46..49,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 49..54,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 54..58,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
KEYWORD,
),
},
],
},
operator: Null,
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 0..4,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
KEYWORD,
),
},
Tk {
class: Str,
span: Span {
range: 5..8,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 9..11,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
KEYWORD,
),
},
Tk {
class: Sep,
span: Span {
range: 11..13,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: CasePattern,
span: Span {
range: 13..17,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 18..21,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 21..27,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: CasePattern,
span: Span {
range: 27..31,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 32..35,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 35..41,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: CasePattern,
span: Span {
range: 41..45,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 46..49,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 49..54,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
0x0,
),
},
Tk {
class: Str,
span: Span {
range: 54..58,
source: "case foo in\n\tfoo) bar\n\t;;\n\tbar) foo\n\t;;\n\tbiz) baz\n\t;;\nesac",
},
flags: TkFlags(
KEYWORD,
),
},
],
},
),
]

1211
src/tests/snapshots/fern__tests__parser__parse_case_nested.snap Normal file
View File

File diff suppressed because it is too large Load Diff

575
src/tests/snapshots/fern__tests__parser__parse_case_simple.snap Normal file
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@@ -0,0 +1,575 @@
---
source: src/tests/parser.rs
expression: nodes
---
[
Ok(
Node {
class: Conjunction {
elements: [
ConjunctNode {
cmd: Node {
class: CaseNode {
pattern: Tk {
class: Str,
span: Span {
range: 5..8,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
case_blocks: [
CaseNode {
pattern: Tk {
class: CasePattern,
span: Span {
range: 12..16,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
body: [
Node {
class: Pipeline {
cmds: [
Node {
class: Command {
assignments: [],
argv: [
Tk {
class: Str,
span: Span {
range: 17..20,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
IS_CMD,
),
},
],
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 17..20,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 20..23,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
pipe_err: false,
},
flags: NdFlags(
0x0,
),
redirs: [],
tokens: [
Tk {
class: Str,
span: Span {
range: 17..20,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
IS_CMD,
),
},
Tk {
class: Sep,
span: Span {
range: 20..23,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
flags: TkFlags(
0x0,
),
},
],
},
],
},
CaseNode {
pattern: Tk {
class: CasePattern,
span: Span {
range: 23..27,
source: "case foo in foo) bar;; bar) foo;; biz) baz;; esac",
},
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