Struct LabelInfo

pub struct LabelInfo {
    pub name: String,
    pub scope: Option<(Vec<usize>, Span)>,
    pub from: Vec<(Vec<usize>, Span)>,
}

label information.

Fields

name: String

scope: Option<(Vec<usize>, Span)>

Scope tree of this label. In goto statement, destination label must be parent (prefix) of current scope.

from: Vec<(Vec<usize>, Span)>

where goto statement is called

Implementations

impl LabelInfo

pub fn add_from( &mut self, from: Vec<usize>, goto_span: Span, ) -> Result<(), ProcessError>

pub fn set_label( &mut self, name: SpannedString, scope: Vec<usize>, label_span: Span, ) -> Result<(), ProcessError>

Trait Implementations

impl Debug for LabelInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LabelInfo

fn default() -> Self

Returns the “default value” for a type.