diff options
Diffstat (limited to '')
| -rw-r--r-- | stdlib/source/lux/tool/compiler/default/syntax.lux | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/stdlib/source/lux/tool/compiler/default/syntax.lux b/stdlib/source/lux/tool/compiler/default/syntax.lux index 19474e74d..e37ade4f9 100644 --- a/stdlib/source/lux/tool/compiler/default/syntax.lux +++ b/stdlib/source/lux/tool/compiler/default/syntax.lux @@ -251,19 +251,21 @@ (#.Left [[where offset source-code] (exception.construct ..text-cannot-contain-new-lines content)]))) -(template: (!read-text where offset source-code) +(def: (parse-text where offset source-code) + (-> Cursor Nat Text (Either [Source Text] [Source Code])) (case ("lux text index" offset (static ..text-delimiter) source-code) (#.Some g!end) (let [g!content (!clip offset g!end source-code)] (<| (!guarantee-no-new-lines where offset source-code g!content) - (#.Right [[(update@ #.column (n/+ (!n/- offset g!end)) where) + (#.Right [[(let [size (!n/- offset g!end)] + (update@ #.column (|>> (!n/+ size) (!n/+ 2)) where)) (!inc g!end) source-code] [where (#.Text g!content)]]))) _ - (!failure ..!read-text where offset source-code))) + (!failure ..parse-text where offset source-code))) (def: digit-bottom Nat (!dec (char "0"))) (def: digit-top Nat (!inc (char "9"))) @@ -358,16 +360,17 @@ ## else <int-output>)))))) -(template [<name> <codec> <tag>] - [(template: (<name> source-code//size start where offset source-code) +(template [<parser> <codec> <tag>] + [(def: (<parser> source-code//size start where offset source-code) + (-> Nat Nat Cursor Nat Text (Either [Source Text] [Source Code])) (loop [g!end offset] (<| (!with-char+ source-code//size source-code g!end g!char (!number-output start g!end <codec> <tag>)) (if (!digit?+ g!char) (recur (!inc g!end)) (!number-output start g!end <codec> <tag>)))))] - [!parse-nat nat.decimal #.Nat] - [!parse-rev rev.decimal #.Rev] + [parse-nat nat.decimal #.Nat] + [parse-rev rev.decimal #.Rev] ) (template: (!parse-signed source-code//size offset where source-code @aliases @end) @@ -442,12 +445,12 @@ (with-expansions [<consume-1> (as-is [where (!inc offset/0) source-code]) <move-1> (as-is [(!forward 1 where) (!inc offset/0) source-code]) - <consume-2> (as-is [where (!inc/2 offset/0) source-code]) + <move-2> (as-is [(!forward 1 where) (!inc/2 offset/0) source-code]) <recur> (as-is (parse current-module aliases source-code//size)) <horizontal-move> (as-is (recur (!horizontal where offset/0 source-code)))] (template: (!close closer) - (#.Left [<consume-1> closer])) + (#.Left [<move-1> closer])) (def: #export (parse current-module aliases source-code//size) (-> Text Aliases Nat (Parser Code)) @@ -457,8 +460,6 @@ (function (recur [where offset/0 source-code]) (<| (!with-char+ source-code//size source-code offset/0 char/0 (!end-of-file where offset/0 source-code current-module)) - ## TODO: Add ..space as just another case for "lux syntax char case!" ASAP. - ## It"s currently failing for some reason. (with-expansions [<composites> (template [<open> <close> <parser>] [[(~~ (static <open>))] (<parser> <recur> <consume-1>) @@ -470,6 +471,8 @@ [..open-tuple ..close-tuple parse-tuple] [..open-record ..close-record parse-record] )] + ## TODO: Add ..space as just another case for "lux syntax char case!" ASAP. + ## It"s currently failing for some reason. (`` (if (!n/= (char (~~ (static ..space))) char/0) <horizontal-move> ("lux syntax char case!" char/0 @@ -484,8 +487,7 @@ ## Text [(~~ (static ..text-delimiter))] - (let [offset/1 (!inc offset/0)] - (!read-text where offset/1 source-code)) + (parse-text where (!inc offset/0) source-code) ## Special code [(~~ (static ..sigil))] @@ -494,7 +496,7 @@ (!end-of-file where offset/1 source-code current-module)) ("lux syntax char case!" char/1 [[(~~ (static ..name-separator))] - (!parse-short-name current-module <consume-2> where #.Tag) + (!parse-short-name current-module <move-2> where #.Tag) ## Single-line comment [(~~ (static ..sigil))] @@ -517,7 +519,7 @@ ## else (cond (!name-char?|head char/1) ## Tag - (!parse-full-name offset/1 <consume-2> where aliases #.Tag) + (!parse-full-name offset/1 <move-2> where aliases #.Tag) ## else (!failure ..parse where offset/0 source-code))))) @@ -528,7 +530,7 @@ (<| (!with-char+ source-code//size source-code offset/1 char/1 (!end-of-file where offset/1 source-code current-module)) (if (!digit? char/1) - (!parse-rev source-code//size offset/0 where (!inc offset/1) source-code) + (parse-rev source-code//size offset/0 where (!inc offset/1) source-code) (!parse-short-name current-module [where offset/1 source-code] where #.Identifier)))) [(~~ (static ..positive-sign)) @@ -539,7 +541,7 @@ ## else (if (!digit? char/0) ## Natural number - (!parse-nat source-code//size offset/0 where (!inc offset/0) source-code) + (parse-nat source-code//size offset/0 where (!inc offset/0) source-code) ## Identifier (!parse-full-name offset/0 <consume-1> where aliases #.Identifier)) )))) |