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mirror of https://github.com/DanilaFe/abacus synced 2024-11-17 08:03:09 -08:00

Remove the additional methods from the VariableDatabase.

This commit is contained in:
Danila Fedorin 2017-09-02 00:19:44 -07:00
parent 428df8bfd3
commit 28802cfed3
2 changed files with 11 additions and 46 deletions

View File

@ -8,6 +8,7 @@ import org.nwapw.abacus.function.TreeValueOperator;
import org.nwapw.abacus.number.NumberInterface;
import org.nwapw.abacus.number.PromotionManager;
import org.nwapw.abacus.number.PromotionResult;
import org.nwapw.abacus.variables.VariableDatabase;
/**
* A reducer implementation that turns a tree into a single number.
@ -35,7 +36,13 @@ public class NumberReducer implements Reducer<NumberInterface> {
if (node instanceof NumberNode) {
return abacus.getNumberImplementation().instanceForString(((NumberNode) node).getNumber());
} else if (node instanceof VariableNode) {
return abacus.getVariableDatabase().getVariableValue(((VariableNode) node).getVariable());
VariableDatabase database = abacus.getVariableDatabase();
String name = ((VariableNode) node).getVariable();
NumberInterface variable = database.getVariables().get(name);
if(variable != null) return variable;
TreeNode definition = database.getDefinitions().get(name);
if(definition != null) return definition.reduce(this);
return abacus.getNumberImplementation().instanceForString("0");
} else if (node instanceof NumberBinaryNode) {
NumberInterface left = (NumberInterface) children[0];
NumberInterface right = (NumberInterface) children[1];

View File

@ -4,7 +4,7 @@ import org.nwapw.abacus.Abacus
import org.nwapw.abacus.number.NumberInterface
import org.nwapw.abacus.plugin.PluginListener
import org.nwapw.abacus.plugin.PluginManager
import javax.swing.tree.TreeNode
import org.nwapw.abacus.tree.TreeNode
/**
* A database for variables and definition.
@ -19,53 +19,11 @@ class VariableDatabase(val abacus: Abacus): PluginListener {
/**
* The variables that are stored in the database.
*/
private val variables = mutableMapOf<String, NumberInterface>()
val variables = mutableMapOf<String, NumberInterface>()
/**
* The definitions that are stored in the database.
*/
private val definitions = mutableMapOf<String, TreeNode>()
/**
* Stores a variable in the database.
*
* @param name the name of the variable.
* @param value the new value of the variable.
*/
fun storeVariable(name: String, value: NumberInterface) {
variables[name] = value
}
/**
* Stores a definition in the database
*
* @param name the name of the definition.
* @param value the new value of the definition.
*/
fun storeDefinition(name: String, value: TreeNode) {
definitions[name] = value
}
/**
* Gets the value of the variable, or 0 if
* it is not defined.
*
* @param name the name of the variable.
* @return the value of the variable.
*/
fun getVariableValue(name: String): NumberInterface {
return variables[name] ?:
abacus.numberImplementation.instanceForString("0")
}
/**
* Gets the definition.
*
* @param name the name of the definition.
* @return the value of the definition, or null if one doesn't exist.
*/
fun getDefinition(name: String): TreeNode? {
return definitions[name]
}
val definitions = mutableMapOf<String, TreeNode>()
override fun onLoad(manager: PluginManager?) {