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use dbg-pls for parser snapshot tests

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This commit is contained in:
nora 2022-06-26 15:20:20 +02:00
parent 31575cbdfb
commit e7597dab07
7 changed files with 246 additions and 333 deletions
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13
parser/src/parser.rs
View file

@ -1,3 +1,4 @@
use dbg_pls::{DebugPls, Formatter};
use peekmore::PeekMoreIterator;
use crate::{
@ -19,22 +20,28 @@ pub struct ParserError {
}
impl ParserError {
#[track_caller]
fn new(span: Span, message: String) -> Self {
Self { span, message }
}
#[track_caller]
fn eof() -> Self {
Self::new(Span::default(), "unexpected end of file".to_string())
}
#[track_caller]
fn unsupported(span: Span, token: &Tok<'_>) -> Self {
Self::new(span, format!("`{token}` is not supported"))
}
}
impl DebugPls for ParserError {
fn fmt(&self, f: Formatter<'_>) {
f.debug_struct("ParserError")
.field("span", &self.span)
.field("message", &self.message)
.finish();
}
}
type Result<T, E = ParserError> = std::result::Result<T, E>;
struct Parser<'src, I>

45
parser/src/parser/snapshots/parser__parser__tests__empty_function_with_params.snap
View file

@ -1,44 +1,33 @@
---
source: parser/src/parser/tests.rs
expression: parsed
expression: parsed_pretty
---
Ok(
[
Ok([
(
FunctionDef(
FunctionDef {
declaration: Normal(
NormalDecl {
FunctionDef(FunctionDef {
declaration: Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Int,
attrs: (empty),
attrs: "(empty)",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: WithParams {
ident: (
"uwu",
5..8,
),
ident: ("uwu", 5..8),
params: [
FunctionParamDecl {
decl_spec: (
DeclSpec {
ty: Long,
attrs: (empty),
attrs: "(empty)",
},
9..13,
),
declarator: (
Declarator {
decl: Ident(
(
"owo",
14..17,
),
),
decl: Ident(("owo", 14..17)),
pointer: false,
},
14..17,
@ -48,18 +37,13 @@ Ok(
decl_spec: (
DeclSpec {
ty: Int,
attrs: (empty),
attrs: "(empty)",
},
19..22,
),
declarator: (
Declarator {
decl: Ident(
(
"qwq",
23..26,
),
),
decl: Ident(("qwq", 23..26)),
pointer: false,
},
23..26,
@ -74,12 +58,9 @@ Ok(
5..8,
),
],
},
),
}),
body: [],
},
),
}),
1..30,
),
],
)
])

27
parser/src/parser/snapshots/parser__parser__tests__empty_funky_attributes_no_params_function.snap
View file

@ -1,27 +1,21 @@
---
source: parser/src/parser/tests.rs
expression: parsed
expression: parsed_pretty
---
Ok(
[
Ok([
(
FunctionDef(
FunctionDef {
declaration: Normal(
NormalDecl {
FunctionDef(FunctionDef {
declaration: Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Int,
attrs: EXTERN | THREAD_LOCAL,
attrs: "EXTERN | THREAD_LOCAL",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: WithParams {
ident: (
"uwu",
35..38,
),
ident: ("uwu", 35..38),
params: [],
},
pointer: false,
@ -31,12 +25,9 @@ Ok(
35..38,
),
],
},
),
}),
body: [],
},
),
}),
1..43,
),
],
)
])

27
parser/src/parser/snapshots/parser__parser__tests__empty_void_function.snap
View file

@ -1,27 +1,21 @@
---
source: parser/src/parser/tests.rs
expression: parsed
expression: parsed_pretty
---
Ok(
[
Ok([
(
FunctionDef(
FunctionDef {
declaration: Normal(
NormalDecl {
FunctionDef(FunctionDef {
declaration: Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Void,
attrs: (empty),
attrs: "(empty)",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: WithParams {
ident: (
"uwu",
6..9,
),
ident: ("uwu", 6..9),
params: [],
},
pointer: false,
@ -31,12 +25,9 @@ Ok(
6..9,
),
],
},
),
}),
body: [],
},
),
}),
1..14,
),
],
)
])

58
parser/src/parser/snapshots/parser__parser__tests__global_variable_declarations.snap
View file

@ -1,27 +1,20 @@
---
source: parser/src/parser/tests.rs
expression: parsed
expression: parsed_pretty
---
Ok(
[
Ok([
(
Decl(
Normal(
NormalDecl {
Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Int,
attrs: (empty),
attrs: "(empty)",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: Ident(
(
"test",
5..9,
),
),
decl: Ident(("test", 5..9)),
pointer: false,
},
init: None,
@ -29,29 +22,22 @@ Ok(
5..9,
),
],
},
),
}),
),
1..9,
),
(
Decl(
Normal(
NormalDecl {
Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Double,
attrs: THREAD_LOCAL,
attrs: "THREAD_LOCAL",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: Ident(
(
"uwu",
32..35,
),
),
decl: Ident(("uwu", 32..35)),
pointer: false,
},
init: None,
@ -61,12 +47,7 @@ Ok(
(
InitDecl {
declarator: Declarator {
decl: Ident(
(
"owo",
37..40,
),
),
decl: Ident(("owo", 37..40)),
pointer: false,
},
init: None,
@ -74,28 +55,23 @@ Ok(
37..40,
),
],
},
),
}),
),
11..40,
),
(
Decl(
Normal(
NormalDecl {
Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Int,
attrs: (empty),
attrs: "(empty)",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: WithParams {
ident: (
"function",
68..76,
),
ident: ("function", 68..76),
params: [],
},
pointer: false,
@ -105,10 +81,8 @@ Ok(
68..76,
),
],
},
),
}),
),
64..76,
),
],
)
])

53
parser/src/parser/snapshots/parser__parser__tests__small_expression.snap
View file

@ -1,63 +1,36 @@
---
source: parser/src/parser/tests.rs
expression: parsed
expression: parsed_pretty
---
Ok(
[
Ok([
(
Decl(
Normal(
NormalDecl {
Normal(NormalDecl {
decl_spec: DeclSpec {
ty: Int,
attrs: (empty),
attrs: "(empty)",
},
init_declarators: [
(
InitDecl {
declarator: Declarator {
decl: Ident(
(
"x",
5..6,
),
),
decl: Ident(("x", 5..6)),
pointer: false,
},
init: Some(
(
Binary(
ExprBinary {
lhs: (
Atom(
Int(
1,
),
),
9..10,
),
rhs: (
Atom(
Int(
1,
),
),
13..14,
),
init: Some((
Binary(ExprBinary {
lhs: (Atom(Int(1)), 9..10),
rhs: (Atom(Int(1)), 13..14),
op: Add,
},
),
}),
9..14,
),
),
)),
},
5..6,
),
],
},
),
}),
),
1..6,
),
],
)
])

14
parser/src/parser/tests.rs
View file

@ -9,20 +9,16 @@ fn lex_and_pre(src: &str) -> impl Iterator<Item = (Tok<'_>, Span)> + '_ {
}
fn the_current_root_parse_thing<'src>(src: impl Iterator<Item = (Tok<'src>, Span)>) -> impl Debug {
use peekmore::PeekMore;
let mut parser = Parser {
lex: src.peekmore(),
};
parser.external_declarations()
super::parse_declarations(src)
}
macro_rules! parse_test {
($src:expr) => {
let lexer = lex_and_pre($src);
let parsed = the_current_root_parse_thing(lexer);
insta::assert_debug_snapshot!(parsed);
let parsed = super::parse_declarations(lexer);
let parsed_pretty = dbg_pls::pretty(&parsed);
insta::assert_debug_snapshot!(parsed_pretty);
};
}