Parse reads lines from a Reader, parses the lines into an AST and returns the AST and escape token.

WithLocation extends an error with a source code location.

DefaultEscapeToken is the default escape token.

ErrorLocation gives a location in source code that caused the error.

Node is a structure used to represent a parse tree.

Position is a point in source code.

Range is a code section between two positions.

Result is the result of parsing a SpecFile.