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The Context
interface represents a context in which an expression in a program should be
evaluated. It provides the environmental bindings necessary to resolve variable references within computed
expressions.
Method Summary | |
Register |
getRegister(AbstractToken ident)
The getRegister() method resolves a register that may have been renamed earlier in the
program. |
int |
getVariable(AbstractToken ident)
The getVariable() method looks up the value of a named constant within the current
environment and returns its value. |
Method Detail |
public Register getRegister(AbstractToken ident)
getRegister()
method resolves a register that may have been renamed earlier in the
program.
ident
- the string name of the register or register alias
Register
instance representing the register with the specified
name or aliaspublic int getVariable(AbstractToken ident)
getVariable()
method looks up the value of a named constant within the current
environment and returns its value.
ident
- the name of the variable
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