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Merged
HarshK97 merged 1 commit into from
Aug 13, 2026
Merged

feat(treesitter): add ruby rules and testdata #86

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12 changes: 12 additions & 0 deletions internal/treesitter/parser_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ func TestDetectLanguage(t *testing.T) {
{"test.cs", false},
{"test.java", false},
{"test.php", false},
{"test.rb", false},
{"test.json", false},
{"test.yaml", false},
{"test.yml", false},
Expand Down Expand Up @@ -195,6 +196,17 @@ int main() { std::cout << "Hello C++\n"; return 0; }`)
t.Error("Parse(): expected non-nil AST root")
}
})

t.Run("valid ruby source", func(t *testing.T) {
src := []byte(`def hello; puts "Hello World"; end`)
ast, err := Parse(src, "main.rb")
if err != nil {
t.Fatalf("Parse(): unexpected error: %v", err)
}
if ast == nil {
t.Error("Parse(): expected non-nil AST root")
}
})
t.Run("unknown extension", func(t *testing.T) {
src := []byte(`some text`)
ast, err := Parse(src, "main.xyz")
Expand Down
157 changes: 157 additions & 0 deletions internal/treesitter/ruby/rules.yml
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@@ -0,0 +1,157 @@
flattened:
- string
- string_content
- heredoc_body
- comment
- integer
- float
- simple_symbol
- symbol
- identifier
- instance_variable
- class_variable
- global_variable
- constant

aliased:
# Comparison operators
"==": comparison_operator_literal
"!=": comparison_operator_literal
"===": comparison_operator_literal
"<=>": comparison_operator_literal
"<": comparison_operator_literal
"<=": comparison_operator_literal
">": comparison_operator_literal
">=": comparison_operator_literal
"=~": comparison_operator_literal
"!~": comparison_operator_literal

# Logical operators
"&&": logical_operator_literal
"||": logical_operator_literal
"!": unary_operator_literal

# Assignment operators
"=": assignment_operator_literal
"+=": assignment_operator_literal
"-=": assignment_operator_literal
"*=": assignment_operator_literal
"/=": assignment_operator_literal
"%=": assignment_operator_literal
"**=": assignment_operator_literal
"&=": assignment_operator_literal
"|=": assignment_operator_literal
"^=": assignment_operator_literal
"<<=": assignment_operator_literal
">>=": assignment_operator_literal
"||=": assignment_operator_literal
"&&=": assignment_operator_literal

# Arithmetic operators
"+": arithmetic_operator_literal
"-": arithmetic_operator_literal
"*": arithmetic_operator_literal
"/": arithmetic_operator_literal
"%": arithmetic_operator_literal
"**": arithmetic_operator_literal

# Bitwise operators
"&": bitwise_operator_literal
"|": bitwise_operator_literal
"^": bitwise_operator_literal
"<<": bitwise_operator_literal
">>": bitwise_operator_literal
"~": bitwise_operator_literal

ignored:
- "\n"
- "("
- ")"
- "{"
- "}"
- "["
- "]"
- ","
- ";"
- ":"
- "::"
- "."
- "->"
- "|"
- "=>"

scaffolding:
- program
- body_statement
- method
- singleton_method
- class
- module
- if
- unless
- elsif
- else
- while
- until
- for
- case
- when
- begin
- rescue
- ensure
- call
- method_call
- argument_list
- method_parameters
- block_parameters
- do_block
- block
- assignment
- operator_assignment
- hash
- array
- pair

keywords:
- def
- class
- module
- if
- unless
- elsif
- else
- case
- when
- while
- until
- for
- do
- begin
- rescue
- ensure
- end
- return
- yield
- break
- next
- redo
- retry
- alias
- undef
- and
- or
- not
- then
- in
- self
- nil
- true
- false
- super

declarations:
- method
- singleton_method
- class
- module

10 changes: 10 additions & 0 deletions internal/treesitter/rules_test.go
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Expand Up @@ -136,6 +136,16 @@ func TestRulesAliased(t *testing.T) {
"++", "--", "??",
},
},
{
lang: "ruby",
operators: []string{
"==", "!=", "===", "<=>", "<", "<=", ">", ">=", "=~", "!~",
"&&", "||", "!",
"=", "+=", "-=", "*=", "/=", "%=", "**=", "&=", "|=", "^=", "<<=", ">>=", "||=", "&&=",
"+", "-", "*", "/", "%", "**",
"&", "|", "^", "<<", ">>", "~",
},
},
}

for _, tt := range tests {
Expand Down
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