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extract modules to files

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Schrottkatze 2024-10-23 13:27:36 +02:00
parent e5ccebe679
commit cee9b97dbf
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3 changed files with 101 additions and 103 deletions
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105
crates/json-pawarser/src/grammar.rs
View file

@ -20,106 +20,5 @@ pub fn value(p: &mut Parser) -> bool {
} }
} }
mod object { mod array;
use crate::{grammar::value, syntax_error::SyntaxError, syntax_kind::SyntaxKind}; mod object;
use super::{CompletedMarker, Parser, BASIC_VALUE_TOKENS};
pub(super) fn object(p: &mut Parser) -> Option<CompletedMarker> {
let obj_start = p.start("object");
if !p.eat(SyntaxKind::BRACE_OPEN) {
obj_start.abandon(p);
return None;
}
member(p);
while p.at(SyntaxKind::COMMA) {
// not always an error, later configurable
let potential_trailing_comma = p.start("potential_trailing_comma");
p.eat(SyntaxKind::COMMA);
if member(p).is_none() {
potential_trailing_comma.complete(p, SyntaxKind::TRAILING_COMMA);
} else {
potential_trailing_comma.abandon(p);
}
}
Some(if !p.eat(SyntaxKind::BRACE_CLOSE) {
obj_start.error(p, SyntaxError::UnclosedObject)
} else {
obj_start.complete(p, SyntaxKind::OBJECT)
})
}
fn member(p: &mut Parser) -> Option<CompletedMarker> {
let member_start = p.start("member");
if p.at(SyntaxKind::BRACE_CLOSE) {
member_start.abandon(p);
return None;
} else if p.at(SyntaxKind::STRING) {
let member_name_start = p.start("member_name");
p.eat(SyntaxKind::STRING);
member_name_start.complete(p, SyntaxKind::MEMBER_NAME);
} else {
return todo!("handle other tokens: {:?}", p.current());
}
if !p.eat(SyntaxKind::COLON) {
todo!("handle wrong tokens")
}
let member_value_start = p.start("member_value_start");
if value(p) {
member_value_start.complete(p, SyntaxKind::MEMBER_VALUE);
Some(member_start.complete(p, SyntaxKind::MEMBER))
} else {
member_value_start.abandon(p);
let e = member_start.error(p, SyntaxError::MemberMissingValue);
Some(
e.precede(p, "member but failed already")
.complete(p, SyntaxKind::MEMBER),
)
}
}
}
mod array {
use crate::{syntax_error::SyntaxError, syntax_kind::SyntaxKind};
use super::{value, CompletedMarker, Parser};
pub(super) fn array(p: &mut Parser) -> Option<CompletedMarker> {
let array_start = p.start("array");
if !p.eat(SyntaxKind::BRACKET_OPEN) {
array_start.abandon(p);
return None;
}
let el = p.start("arr_el");
value(p);
el.complete(p, SyntaxKind::ELEMENT);
while p.at(SyntaxKind::COMMA) {
let potential_trailing_comma = p.start("potential_trailing_comma");
p.eat(SyntaxKind::COMMA);
let maybe_el = p.start("arr_el");
if !value(p) {
maybe_el.abandon(p);
potential_trailing_comma.complete(p, SyntaxKind::TRAILING_COMMA);
} else {
maybe_el.complete(p, SyntaxKind::ELEMENT);
potential_trailing_comma.abandon(p);
}
}
Some(if !p.eat(SyntaxKind::BRACKET_CLOSE) {
array_start.error(p, SyntaxError::UnclosedArray)
} else {
array_start.complete(p, SyntaxKind::ARRAY)
})
}
}

36
crates/json-pawarser/src/grammar/array.rs Normal file
View file

@ -0,0 +1,36 @@
use crate::{syntax_error::SyntaxError, syntax_kind::SyntaxKind};
use super::{value, CompletedMarker, Parser};
pub(super) fn array(p: &mut Parser) -> Option<CompletedMarker> {
let array_start = p.start("array");
if !p.eat(SyntaxKind::BRACKET_OPEN) {
array_start.abandon(p);
return None;
}
let el = p.start("arr_el");
value(p);
el.complete(p, SyntaxKind::ELEMENT);
while p.at(SyntaxKind::COMMA) {
let potential_trailing_comma = p.start("potential_trailing_comma");
p.eat(SyntaxKind::COMMA);
let maybe_el = p.start("arr_el");
if !value(p) {
maybe_el.abandon(p);
potential_trailing_comma.complete(p, SyntaxKind::TRAILING_COMMA);
} else {
maybe_el.complete(p, SyntaxKind::ELEMENT);
potential_trailing_comma.abandon(p);
}
}
Some(if !p.eat(SyntaxKind::BRACKET_CLOSE) {
array_start.error(p, SyntaxError::UnclosedArray)
} else {
array_start.complete(p, SyntaxKind::ARRAY)
})
}

63
crates/json-pawarser/src/grammar/object.rs Normal file
View file

@ -0,0 +1,63 @@
use crate::{grammar::value, syntax_error::SyntaxError, syntax_kind::SyntaxKind};
use super::{CompletedMarker, Parser, BASIC_VALUE_TOKENS};
pub(super) fn object(p: &mut Parser) -> Option<CompletedMarker> {
let obj_start = p.start("object");
if !p.eat(SyntaxKind::BRACE_OPEN) {
obj_start.abandon(p);
return None;
}
member(p);
while p.at(SyntaxKind::COMMA) {
// not always an error, later configurable
let potential_trailing_comma = p.start("potential_trailing_comma");
p.eat(SyntaxKind::COMMA);
if member(p).is_none() {
potential_trailing_comma.complete(p, SyntaxKind::TRAILING_COMMA);
} else {
potential_trailing_comma.abandon(p);
}
}
Some(if !p.eat(SyntaxKind::BRACE_CLOSE) {
obj_start.error(p, SyntaxError::UnclosedObject)
} else {
obj_start.complete(p, SyntaxKind::OBJECT)
})
}
fn member(p: &mut Parser) -> Option<CompletedMarker> {
let member_start = p.start("member");
if p.at(SyntaxKind::BRACE_CLOSE) {
member_start.abandon(p);
return None;
} else if p.at(SyntaxKind::STRING) {
let member_name_start = p.start("member_name");
p.eat(SyntaxKind::STRING);
member_name_start.complete(p, SyntaxKind::MEMBER_NAME);
} else {
return todo!("handle other tokens: {:?}", p.current());
}
if !p.eat(SyntaxKind::COLON) {
todo!("handle wrong tokens")
}
let member_value_start = p.start("member_value_start");
if value(p) {
member_value_start.complete(p, SyntaxKind::MEMBER_VALUE);
Some(member_start.complete(p, SyntaxKind::MEMBER))
} else {
member_value_start.abandon(p);
let e = member_start.error(p, SyntaxError::MemberMissingValue);
Some(
e.precede(p, "member but failed already")
.complete(p, SyntaxKind::MEMBER),
)
}
}