extract modules to files

crates/json-pawarser/src/grammar.rs

@@ -1,3 +1,4 @@
+use array::array;
 use enumset::{enum_set, EnumSet};
 
 use crate::{syntax_error::SyntaxError, syntax_kind::SyntaxKind};
@@ -15,73 +16,9 @@ pub fn value(p: &mut Parser) -> bool {
         p.do_bump();
         return true;
     } else {
-        object(p).is_some()
+        object(p).or_else(|| array(p)).is_some()
     }
 }
 
-mod object {
-    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_unexpected_comma = p.start("potential_unexpected_comma");
-            p.eat(SyntaxKind::COMMA);
-
-            if member(p).is_none() {
-                potential_unexpected_comma.complete(p, SyntaxKind::TRAILING_COMMA);
-            } else {
-                potential_unexpected_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 {}
+mod array;
+mod object;

crates/json-pawarser/src/grammar/array.rs

@@ -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)
+    })
+}

crates/json-pawarser/src/grammar/object.rs

@@ -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),
+        )
+    }
+}

crates/json-pawarser/src/syntax_error.rs

@@ -3,6 +3,7 @@ use crate::syntax_kind::SyntaxKind;
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum SyntaxError {
     UnclosedObject,
+    UnclosedArray,
     DisallowedKeyType(SyntaxKind),
     MemberMissingValue,
     UnexpectedTrailingComma,