plum

#treesitter#compiler#wasm

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

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

96ec67f — Peter John 2026-07-20T11:22:20+05:30 
feat(tree-sitter-plum): allow positional variant-construction calls
Files changed (5) hide show
  1. tooling/tree-sitter-plum/grammar.js +2 -2
  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/function.txt +27 -0
tooling/tree-sitter-plum/grammar.js CHANGED
@@ -52,7 +52,7 @@ module.exports = grammar({
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  ')',
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  '}',
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  ],
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- conflicts: ($) => [],
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+ conflicts: ($) => [[$.fn_argument_list, $.class_argument_list]],
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  inline: ($) => [$.generic_type, $.generic],
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  rules: {
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  source: ($) =>
@@ -386,7 +386,7 @@ module.exports = grammar({
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  // the parser could see the following `(`.
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  fn_call: ($) =>
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  prec(PREC.call, seq(
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- field("function", $.var_identifier),
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+ field("function", choice($.var_identifier, $.type_identifier)),
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  field(
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  "arguments",
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  $.fn_argument_list,
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/function.txt CHANGED
@@ -115,3 +115,30 @@ fullname<User>() -> String =
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  (type_identifier))
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  (body
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  (todo))))
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+
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+ ================================================================================
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+ function - variant construction call (positional args on a capitalized name)
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+ ================================================================================
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+
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+ makeSome(v: Int) -> Option =
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+ Some(v)
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+
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+ --------------------------------------------------------------------------------
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+
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+ (source
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+ (fn
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+ (fn_identifier)
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+ (param
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+ (var_identifier)
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+ (type
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+ (type_identifier)))
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+ (return_type
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+ (type_identifier))
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+ (body
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+ (primary_expression
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+ (fn_call
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+ (type_identifier)
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+ (fn_argument_list
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+ (expression
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+ (primary_expression
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+ (var_identifier)))))))))