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Reindent--clean up

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Scott Richmond 2022-03-19 12:29:15 -04:00
parent aa7f2ac8fc
commit 3d080403dc
1 changed files with 40 additions and 40 deletions
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80
src/ludus/parser.clj
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@ -88,8 +88,8 @@
(defn- expect* [tokens message parser] (defn- expect* [tokens message parser]
(let [curr (current parser) (let [curr (current parser)
tokens (if (set? tokens) tokens #{tokens}) tokens (if (set? tokens) tokens #{tokens})
type (::token/type curr)] type (::token/type curr)]
(if (contains? tokens type) (if (contains? tokens type)
{:success true :parser (advance parser)} {:success true :parser (advance parser)}
{:success false :parser (panic (advance parser) message)} {:success false :parser (panic (advance parser) message)}
@ -337,7 +337,7 @@
(defn- parse-assignment [parser] (defn- parse-assignment [parser]
(let [assignment (expect* ::token/equals "Expected assignment" parser) (let [assignment (expect* ::token/equals "Expected assignment" parser)
success (:success assignment)] success (:success assignment)]
(if success (if success
(parse-let-expr (:parser assignment) parser) (parse-let-expr (:parser assignment) parser)
(panic parser "Expected assignment")))) (panic parser "Expected assignment"))))
@ -356,29 +356,29 @@
(defn- parse-else [parser] (defn- parse-else [parser]
(let [ast (::ast parser) (let [ast (::ast parser)
else-kw (expect* ::token/else "Expected else clause after then" parser) else-kw (expect* ::token/else "Expected else clause after then" parser)
success (:success else-kw) success (:success else-kw)
else-kw-parser (:parser else-kw)] else-kw-parser (:parser else-kw)]
(if success (if success
(let [expr (parse-expr else-kw-parser) (let [expr (parse-expr else-kw-parser)
else-expr (::ast expr)] else-expr (::ast expr)]
(assoc expr ::ast (assoc ast :else else-expr))) (assoc expr ::ast (assoc ast :else else-expr)))
else-kw-parser))) else-kw-parser)))
(defn- parse-then [parser] (defn- parse-then [parser]
(let [ast (::ast parser) (let [ast (::ast parser)
then-kw (expect* ::token/then "Expected then clause after if" parser) then-kw (expect* ::token/then "Expected then clause after if" parser)
success (:success then-kw) success (:success then-kw)
then-kw-parser (:parser then-kw)] then-kw-parser (:parser then-kw)]
(if success (if success
(let [expr (parse-expr then-kw-parser (conj sync-on ::token/else)) (let [expr (parse-expr then-kw-parser (conj sync-on ::token/else))
then-expr (::ast expr)] then-expr (::ast expr)]
(parse-else (accept ::token/newline (assoc expr ::ast (assoc ast :then then-expr))))) (parse-else (accept ::token/newline (assoc expr ::ast (assoc ast :then then-expr)))))
then-kw-parser))) then-kw-parser)))
(defn- parse-if* [parser] (defn- parse-if* [parser]
(let [if-expr (parse-expr (advance parser) #{::token/newline ::token/then}) (let [if-expr (parse-expr (advance parser) #{::token/newline ::token/then})
ast (assoc if-expr ::ast {::ast/type ::ast/if :if (::ast if-expr)})] ast (assoc if-expr ::ast {::ast/type ::ast/if :if (::ast if-expr)})]
(parse-then (accept ::token/newline ast)) (parse-then (accept ::token/newline ast))
)) ))
@ -405,49 +405,49 @@
(defn- parse-expr (defn- parse-expr
([parser] (parse-expr parser sync-on)) ([parser] (parse-expr parser sync-on))
([parser sync-on] (let [token (current parser)] ([parser sync-on] (let [token (current parser)]
(case (::token/type token) (case (::token/type token)
(::token/number ::token/string) (::token/number ::token/string)
(parse-atom parser) (parse-atom parser)
::token/keyword (let [next (peek parser) ::token/keyword (let [next (peek parser)
type (::token/type next)] type (::token/type next)]
(if (= type ::token/lparen) (if (= type ::token/lparen)
(parse-synthetic parser) (parse-synthetic parser)
(parse-atom parser))) (parse-atom parser)))
::token/word (let [next (peek parser) ::token/word (let [next (peek parser)
type (::token/type next)] type (::token/type next)]
(case type (case type
(::token/lparen ::token/keyword) (parse-synthetic parser) (::token/lparen ::token/keyword) (parse-synthetic parser)
(parse-word parser))) (parse-word parser)))
(::token/nil ::token/true ::token/false) (::token/nil ::token/true ::token/false)
(parse-atomic-word parser) (parse-atomic-word parser)
::token/lparen (parse-tuple parser) ::token/lparen (parse-tuple parser)
::token/lbracket (parse-list parser) ::token/lbracket (parse-list parser)
::token/startset (parse-set parser) ::token/startset (parse-set parser)
::token/lbrace (parse-block parser) ::token/lbrace (parse-block parser)
::token/let (parse-let* parser) ::token/let (parse-let* parser)
::token/if (parse-if* parser) ::token/if (parse-if* parser)
::token/error (panic parser (:message token) sync-on) ::token/error (panic parser (:message token) sync-on)
(::token/rparen ::token/rbrace ::token/rbracket) (::token/rparen ::token/rbrace ::token/rbracket)
(panic parser (str "Unbalanced enclosure: " (::token/lexeme token))) (panic parser (str "Unbalanced enclosure: " (::token/lexeme token)))
(::token/semicolon ::token/comma) (::token/semicolon ::token/comma)
(panic parser (str "Unexpected delimiter: " (::token/lexeme token))) (panic parser (str "Unexpected delimiter: " (::token/lexeme token)))
(panic parser "Expected expression" sync-on) (panic parser "Expected expression" sync-on)
)))) ))))
(do (do
(def pp pp/pprint) (def pp pp/pprint)