core/scope.nim
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
import critbits, strutils
import
types
proc lookupSymbol*(scope: ref MinScope, key: string): MinOperator =
if scope.symbols.hasKey(key):
return scope.symbols[key]
elif scope.parent != nil:
return scope.parent.lookupSymbol(key)
proc lookupSigil*(scope: ref MinScope, key: string): MinOperator =
if scope.sigils.hasKey(key):
return scope.sigils[key]
elif scope.parent != nil:
return scope.parent.lookupSigil(key)
proc lookupLocal*(scope: ref MinScope, key: string): MinValue =
if scope.locals.hasKey(key):
return scope.locals[key]
|