Struct gitql_ast::environment::Environment

pub struct Environment {
    pub globals: HashMap<String, Value>,
    pub globals_types: HashMap<String, DataType>,
    pub scopes: HashMap<String, DataType>,
}

Fields

globals: HashMap<String, Value>

All Global Variables values that can life for this program session

globals_types: HashMap<String, DataType>

All Global Variables Types that can life for this program session

scopes: HashMap<String, DataType>

Local variables types in the current scope, later will be multi layer scopes

Implementations

impl Environment

pub fn define(&mut self, str: String, data_type: DataType)

Define in the current scope

pub fn define_global(&mut self, str: String, data_type: DataType)

Define in the global scope

pub fn contains(&self, str: &String) -> bool

Returns true if local or global scopes has contains field

pub fn resolve_type(&self, str: &String) -> Option<&DataType>

Resolve Global or Local type using symbol name

pub fn clear_session(&mut self)

Clear all locals scopes and only save globals

Trait Implementations

impl Default for Environment

fn default() -> Environment

Returns the “default value” for a type.