plum

#treesitter#compiler#wasm

git clone https://git.pyrossh.dev/plum

A statically typed, imperative programming language inspired by rust, python

f047082 — Peter John 2026-08-09T18:37:28+05:30 
feat(grammar): allow methods nested inside type/enum bodies
Files changed (6) hide show
  1. tooling/tree-sitter-plum/grammar.js +2 -0
  2. tooling/tree-sitter-plum/src/grammar.json +0 -0
  3. tooling/tree-sitter-plum/src/node-types.json +0 -0
  4. tooling/tree-sitter-plum/src/parser.c +0 -0
  5. tooling/tree-sitter-plum/test/corpus/enum.txt +45 -0
  6. tooling/tree-sitter-plum/test/corpus/type.txt +32 -0
tooling/tree-sitter-plum/grammar.js CHANGED
@@ -103,6 +103,7 @@ module.exports = grammar({
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  "=",
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  $._indent,
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  field("fields", optional(repeat(alias($.class_field, $.field)))),
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+ field("methods", optional(repeat($.fn))),
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  $._dedent,
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  ),
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  class_field: ($) => seq(field("name", $.var_identifier), ":", field("type", $.type)),
@@ -149,6 +150,7 @@ module.exports = grammar({
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  "=",
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  $._indent,
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  optional(repeat(alias($.enum_field, $.field))),
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+ field("methods", optional(repeat($.fn))),
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  $._dedent,
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  ),
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tooling/tree-sitter-plum/src/grammar.json CHANGED
Binary file
tooling/tree-sitter-plum/src/node-types.json CHANGED
Binary file
tooling/tree-sitter-plum/src/parser.c CHANGED
Binary file
tooling/tree-sitter-plum/test/corpus/enum.txt CHANGED
@@ -50,3 +50,48 @@ enum Option =
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  (generic))
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  (field
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  (type_identifier))))
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+
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+ ================================================================================
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+ enum - nested method declaration
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+ ================================================================================
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+
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+ enum Step =
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+ | ReadMin
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+ | ReadMax
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+
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+ fun toNumber(self) -> Int =
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+ match self
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+ ReadMin => 0
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+ ReadMax => 1
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+
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+ --------------------------------------------------------------------------------
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+
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+ (source
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+ (enum
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+ (type_identifier)
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+ (field
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+ (type_identifier))
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+ (field
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+ (type_identifier))
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+ (fn
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+ (fn_identifier)
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+ (self)
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+ (type
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+ (type_identifier))
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+ (body
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+ (match
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+ (expression
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+ (primary_expression
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+ (self)))
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+ (case
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+ (case_pattern
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+ (type_identifier))
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+ (expression
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+ (primary_expression
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+ (integer))))
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+ (case
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+ (case_pattern
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+ (type_identifier))
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+ (expression
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+ (primary_expression
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+ (integer)))))))))
tooling/tree-sitter-plum/test/corpus/type.txt CHANGED
@@ -147,3 +147,35 @@ fun toStr<Cat>() -> Str =
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  (fn_identifier))))
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  (string_content)
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  (string_end)))))))
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+
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+ ================================================================================
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+ type - nested method declaration
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+ ================================================================================
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+
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+ type Cat =
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+ name: Str
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+
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+ fun getName(self) -> Str =
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+ self.name
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+
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+ --------------------------------------------------------------------------------
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+
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+ (source
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+ (class
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+ (type_identifier)
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+ (field
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+ (var_identifier)
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+ (type
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+ (type_identifier)))
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+ (fn
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+ (fn_identifier)
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+ (self)
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+ (type
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+ (type_identifier))
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+ (body
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+ (expression
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+ (primary_expression
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+ (attribute
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+ (primary_expression
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+ (self))
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+ (fn_identifier))))))))