On this page

End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class · Ruby 3.2

SyntaxSuggest::ExplainSyntax

< Object 4 instance methods 1 class methods

Explains syntax errors based on their source

example:

Example

source = "def foo; puts 'lol'" # Note missing end
explain ExplainSyntax.new(
  code_lines: CodeLine.from_source(source)
).call
explain.errors.first
# => "Unmatched keyword, missing `end' ?"

When the error cannot be determined by lexical counting then ripper is run against the input and the raw ripper errors returned.

Example:

Example

source = "1 * " # Note missing a second number
explain ExplainSyntax.new(
  code_lines: CodeLine.from_source(source)
).call
explain.errors.first
# => "syntax error, unexpected end-of-input"

Class methods 1

.new

Instance methods 4

#call #errors #missing #why

Constants

INVERSE

No documentation available