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Code Issues Releases Wiki Activity

Merge pull request #51 from DanilaFe/context-adjustments

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Add an additional, restricted type of context for use only by plugins.
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Danila Fedorin 2017-11-23 21:43:37 -08:00 committed by GitHub
commit 751fd97fcb
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16 changed files with 153 additions and 116 deletions
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78
core/src/main/java/org/nwapw/abacus/plugin/standard/StandardPlugin.java
View File

@ -1,6 +1,8 @@
package org.nwapw.abacus.plugin.standard;
import org.jetbrains.annotations.NotNull;
import org.nwapw.abacus.context.MutableEvaluationContext;
import org.nwapw.abacus.context.PluginEvaluationContext;
import org.nwapw.abacus.function.Documentation;
import org.nwapw.abacus.function.DocumentationType;
import org.nwapw.abacus.function.interfaces.NumberFunction;
@ -119,12 +121,12 @@ public class StandardPlugin extends Plugin {
*/
public static final NumberFunction FUNCTION_ABS = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return params[0].multiply(context.getInheritedNumberImplementation().instanceForString(Integer.toString(params[0].signum())));
}
};
@ -133,12 +135,12 @@ public class StandardPlugin extends Plugin {
*/
public static final NumberFunction FUNCTION_LN = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1 && params[0].compareTo(context.getInheritedNumberImplementation().instanceForString("0")) > 0;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberImplementation implementation = context.getInheritedNumberImplementation();
NumberInterface param = params[0];
NumberInterface one = implementation.instanceForString("1");
@ -166,10 +168,12 @@ public class StandardPlugin extends Plugin {
/**
* Returns the partial sum of the Taylor series for logx (around x=1).
* Automatically determines the number of terms needed based on the precision of x.
*
* @param context
* @param x value at which the series is evaluated. 0 < x < 2. (x=2 is convergent but impractical.)
* @return the partial sum.
*/
private NumberInterface getLogPartialSum(MutableEvaluationContext context, NumberInterface x) {
private NumberInterface getLogPartialSum(PluginEvaluationContext context, NumberInterface x) {
NumberImplementation implementation = context.getInheritedNumberImplementation();
NumberInterface maxError = x.getMaxError();
x = x.subtract(implementation.instanceForString("1")); //Terms used are for log(x+1).
@ -214,12 +218,12 @@ public class StandardPlugin extends Plugin {
*/
public static final NumberFunction FUNCTION_RAND_INT = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return context.getInheritedNumberImplementation().instanceForString(Long.toString(Math.round(Math.random() * params[0].floor().intValue())));
}
};
@ -232,12 +236,12 @@ public class StandardPlugin extends Plugin {
*/
public static final NumberFunction FUNCTION_SQRT = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return OP_CARET.apply(context, params[0], context.getInheritedNumberImplementation().instanceForString(".5"));
}
};
@ -247,12 +251,12 @@ public class StandardPlugin extends Plugin {
*/
public static final NumberFunction FUNCTION_EXP = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberImplementation implementation = context.getInheritedNumberImplementation();
NumberInterface maxError = params[0].getMaxError();
int n = 0;
@ -285,12 +289,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionSin = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberImplementation implementation = context.getInheritedNumberImplementation();
NumberInterface pi = piFor(params[0].getClass());
NumberInterface twoPi = pi.multiply(implementation.instanceForString("2"));
@ -310,12 +314,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionCos = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return functionSin.apply(context, piFor(params[0].getClass()).divide(context.getInheritedNumberImplementation().instanceForString("2"))
.subtract(params[0]));
}
@ -325,12 +329,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionTan = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return functionSin.apply(context, params[0]).divide(functionCos.apply(context, params[0]));
}
};
@ -339,12 +343,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionSec = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return context.getInheritedNumberImplementation().instanceForString("1").divide(functionCos.apply(context, params[0]));
}
};
@ -353,12 +357,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionCsc = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return context.getInheritedNumberImplementation().instanceForString("1").divide(functionSin.apply(context, params[0]));
}
};
@ -367,12 +371,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionCot = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return functionCos.apply(context, params[0]).divide(functionSin.apply(context, params[0]));
}
};
@ -382,13 +386,13 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionArcsin = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1
&& FUNCTION_ABS.apply(context, params[0]).compareTo(context.getInheritedNumberImplementation().instanceForString("1")) <= 0;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberImplementation implementation = context.getInheritedNumberImplementation();
if (FUNCTION_ABS.apply(context, params[0]).compareTo(implementation.instanceForString(".8")) >= 0) {
NumberInterface[] newParams = {FUNCTION_SQRT.apply(context, implementation.instanceForString("1").subtract(params[0].multiply(params[0])))};
@ -416,12 +420,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionArccos = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1 && FUNCTION_ABS.apply(context, params[0]).compareTo(context.getInheritedNumberImplementation().instanceForString("1")) <= 0;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return piFor(params[0].getClass()).divide(context.getInheritedNumberImplementation().instanceForString("2"))
.subtract(functionArcsin.apply(context, params));
}
@ -432,12 +436,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionArccsc = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1 && FUNCTION_ABS.apply(context, params[0]).compareTo(context.getInheritedNumberImplementation().instanceForString("1")) >= 0;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberInterface[] reciprocalParamArr = {context.getInheritedNumberImplementation().instanceForString("1").divide(params[0])};
return functionArcsin.apply(context, reciprocalParamArr);
}
@ -448,12 +452,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionArcsec = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1 && FUNCTION_ABS.apply(context, params[0]).compareTo(context.getInheritedNumberImplementation().instanceForString("1")) >= 0;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberInterface[] reciprocalParamArr = {context.getInheritedNumberImplementation().instanceForString("1").divide(params[0])};
return functionArccos.apply(context, reciprocalParamArr);
}
@ -464,12 +468,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionArctan = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
NumberImplementation implementation = context.getInheritedNumberImplementation();
if (params[0].signum() == -1) {
NumberInterface[] negatedParams = {params[0].negate()};
@ -506,12 +510,12 @@ public class StandardPlugin extends Plugin {
*/
public final NumberFunction functionArccot = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return piFor(params[0].getClass()).divide(context.getInheritedNumberImplementation().instanceForString("2"))
.subtract(functionArctan.apply(context, params));
}
@ -550,7 +554,7 @@ public class StandardPlugin extends Plugin {
* @param x where the series is evaluated.
* @return the value of the series
*/
private static NumberInterface sinTaylor(MutableEvaluationContext context, NumberInterface x) {
private static NumberInterface sinTaylor(PluginEvaluationContext context, NumberInterface x) {
NumberInterface power = x, multiplier = x.multiply(x).negate(), currentTerm, sum = x;
NumberInterface maxError = x.getMaxError();
int n = 1;
@ -569,7 +573,7 @@ public class StandardPlugin extends Plugin {
* @param phi an angle (in radians).
* @return theta in [0, 2pi) that differs from phi by a multiple of 2pi.
*/
private static NumberInterface getSmallAngle(MutableEvaluationContext context, NumberInterface phi, NumberInterface pi) {
private static NumberInterface getSmallAngle(PluginEvaluationContext context, NumberInterface phi, NumberInterface pi) {
NumberInterface twoPi = pi.multiply(context.getInheritedNumberImplementation().instanceForString("2"));
NumberInterface theta = FUNCTION_ABS.apply(context, phi).subtract(twoPi
.multiply(FUNCTION_ABS.apply(context, phi).divide(twoPi).floor())); //Now theta is in [0, 2pi).

42
core/src/main/kotlin/org/nwapw/abacus/context/MutableEvaluationContext.kt
View File

@ -9,14 +9,15 @@ import org.nwapw.abacus.tree.nodes.*
/**
* A reduction context that is mutable.
*
* @param parent the parent of this context.
* @param numberImplementation the number implementation used in this context.
* @param reducer the reducer used in this context
* @param abacus the abacus instance used.
*/
class MutableEvaluationContext(parent: EvaluationContext? = null,
numberImplementation: NumberImplementation? = null,
abacus: Abacus? = null) :
EvaluationContext(parent, numberImplementation, abacus) {
PluginEvaluationContext(parent, numberImplementation, abacus) {
override var numberImplementation: NumberImplementation? = super.numberImplementation
override var abacus: Abacus? = super.abacus
@ -35,42 +36,11 @@ class MutableEvaluationContext(parent: EvaluationContext? = null,
}
}
/**
* Sets a variable to a certain [value].
* @param name the name of the variable.
* @param value the value of the variable.
*/
fun setVariable(name: String, value: NumberInterface) {
variableMap[name] = value
}
/**
* Set a definition to a certain [value].
* @param name the name of the definition.
* @param value the value of the definition.
*/
fun setDefinition(name: String, value: TreeNode) {
definitionMap[name] = value
}
/**
* Clears the variables defined in this context.
*/
fun clearVariables(){
variableMap.clear()
}
/**
* Clears the definitions defined in this context.
*/
fun clearDefinitions(){
definitionMap.clear()
}
override fun reduceNode(treeNode: TreeNode, vararg children: Any): NumberInterface {
val oldNumberImplementation = numberImplementation
val abacus = inheritedAbacus
val promotionManager = abacus.promotionManager
return when(treeNode){
val toReturn = when(treeNode){
is NumberNode -> {
inheritedNumberImplementation.instanceForString(treeNode.number)
}
@ -114,6 +84,8 @@ class MutableEvaluationContext(parent: EvaluationContext? = null,
}
else -> throw ReductionException("unrecognized tree node.")
}
numberImplementation = oldNumberImplementation
return toReturn
}
}

58
core/src/main/kotlin/org/nwapw/abacus/context/PluginEvaluationContext.kt Normal file
View File

@ -0,0 +1,58 @@
package org.nwapw.abacus.context
import org.nwapw.abacus.Abacus
import org.nwapw.abacus.number.NumberInterface
import org.nwapw.abacus.plugin.NumberImplementation
import org.nwapw.abacus.tree.nodes.TreeNode
/**
* An evaluation context with limited mutability.
*
* An evaluation context that is mutable but in a limited way, that is, not allowing the modifications
* of variables whose changes might cause issues outside of the function. An example of this would be
* the modification of the [numberImplementation], which would cause code paths such as the parsing
* of NumberNodes to produce a different type of number than if the function did not run, whcih is unacceptable.
*
* @param parent the parent of this context.
* @param numberImplementation the number implementation used in this context.
* @param abacus the abacus instance used.
*/
abstract class PluginEvaluationContext(parent: EvaluationContext? = null,
numberImplementation: NumberImplementation? = null,
abacus: Abacus? = null) :
EvaluationContext(parent, numberImplementation, abacus) {
/**
* Sets a variable to a certain [value].
* @param name the name of the variable.
* @param value the value of the variable.
*/
fun setVariable(name: String, value: NumberInterface) {
variableMap[name] = value
}
/**
* Set a definition to a certain [value].
* @param name the name of the definition.
* @param value the value of the definition.
*/
fun setDefinition(name: String, value: TreeNode) {
definitionMap[name] = value
}
/**
* Clears the variables defined in this context.
*/
fun clearVariables(){
variableMap.clear()
}
/**
* Clears the definitions defined in this context.
*/
fun clearDefinitions(){
definitionMap.clear()
}
}

7
core/src/main/kotlin/org/nwapw/abacus/function/Applicable.kt
View File

@ -1,6 +1,7 @@
package org.nwapw.abacus.function
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.exception.DomainException
/**
@ -18,7 +19,7 @@ interface Applicable<in T : Any, out O : Any> {
* @param params the parameter array to verify for compatibility.
* @return whether the array can be used with applyInternal.
*/
fun matchesParams(context: MutableEvaluationContext, params: Array<out T>): Boolean
fun matchesParams(context: PluginEvaluationContext, params: Array<out T>): Boolean
/**
* Applies the applicable object to the given parameters,
@ -26,7 +27,7 @@ interface Applicable<in T : Any, out O : Any> {
* @param params the parameters to apply to.
* @return the result of the application.
*/
fun applyInternal(context: MutableEvaluationContext, params: Array<out T>): O
fun applyInternal(context: PluginEvaluationContext, params: Array<out T>): O
/**
* If the parameters can be used with this applicable, returns
@ -35,7 +36,7 @@ interface Applicable<in T : Any, out O : Any> {
* @param params the parameters to apply to.
* @return the result of the operation, or null if parameters do not match.
*/
fun apply(context: MutableEvaluationContext, vararg params: T): O {
fun apply(context: PluginEvaluationContext, vararg params: T): O {
if (!matchesParams(context, params))
throw DomainException("parameters do not match function requirements.")
return applyInternal(context, params)

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorAdd.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -13,9 +13,9 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorAdd: NumberOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params[0] + params[1]
}

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorCaret.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -14,12 +14,12 @@ import org.nwapw.abacus.plugin.standard.StandardPlugin.*
*/
class OperatorCaret: NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 2) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2
&& !(params[0].signum() == 0 && params[1].signum() == 0)
&& !(params[0].signum() == -1 && !params[1].isInteger())
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>): NumberInterface {
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>): NumberInterface {
val implementation = context.inheritedNumberImplementation
if (params[0].signum() == 0)
return implementation.instanceForString("0")

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorDefine.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.TreeValueOperator
@ -16,10 +16,10 @@ import org.nwapw.abacus.tree.nodes.VariableNode
*/
class OperatorDefine: TreeValueOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out TreeNode>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out TreeNode>) =
params.size == 2 && params[0] is VariableNode
override fun applyInternal(context: MutableEvaluationContext, params: Array<out TreeNode>): NumberInterface {
override fun applyInternal(context: PluginEvaluationContext, params: Array<out TreeNode>): NumberInterface {
val assignTo = (params[0] as VariableNode).variable
context.setDefinition(assignTo, params[1])
return params[1].reduce(context)

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorDivide.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -13,9 +13,9 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorDivide: NumberOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 1) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params[0] / params[1]
}

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorFactorial.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -13,12 +13,12 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorFactorial: NumberOperator(OperatorAssociativity.LEFT, OperatorType.UNARY_POSTFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 1
&& params[0].isInteger()
&& params[0].signum() >= 0
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>): NumberInterface {
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>): NumberInterface {
val implementation = context.inheritedNumberImplementation
val one = implementation.instanceForString("1")
if (params[0].signum() == 0) {

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorMultiply.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -13,9 +13,9 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorMultiply: NumberOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 1) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params[0] * params[1]
}

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNcr.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -16,11 +16,11 @@ import org.nwapw.abacus.plugin.standard.StandardPlugin.OP_NPR
*/
class OperatorNcr: NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2 && params[0].isInteger()
&& params[1].isInteger()
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
OP_NPR.apply(context, *params) / OP_FACTORIAL.apply(context, params[1])
}

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNegate.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -13,10 +13,10 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorNegate: NumberOperator(OperatorAssociativity.LEFT, OperatorType.UNARY_PREFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 1
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
-params[0]
}

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNpr.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -14,11 +14,11 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorNpr: NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2 && params[0].isInteger()
&& params[1].isInteger()
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>): NumberInterface {
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>): NumberInterface {
val implementation = context.inheritedNumberImplementation
if (params[0] < params[1] ||
params[0].signum() < 0 ||

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorSet.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.TreeValueOperator
@ -15,10 +15,10 @@ import org.nwapw.abacus.tree.nodes.VariableNode
*/
class OperatorSet: TreeValueOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out TreeNode>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out TreeNode>) =
params.size == 2 && params[0] is VariableNode
override fun applyInternal(context: MutableEvaluationContext, params: Array<out TreeNode>): NumberInterface {
override fun applyInternal(context: PluginEvaluationContext, params: Array<out TreeNode>): NumberInterface {
val assignTo = (params[0] as VariableNode).variable
val value = params[1].reduce(context)
context.setVariable(assignTo, value)

6
core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorSubtract.kt
View File

@ -1,6 +1,6 @@
package org.nwapw.abacus.plugin.standard.operator
import org.nwapw.abacus.context.MutableEvaluationContext
import org.nwapw.abacus.context.PluginEvaluationContext
import org.nwapw.abacus.function.OperatorAssociativity
import org.nwapw.abacus.function.OperatorType
import org.nwapw.abacus.function.interfaces.NumberOperator
@ -13,9 +13,9 @@ import org.nwapw.abacus.number.NumberInterface
*/
class OperatorSubtract: NumberOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 0) {
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params.size == 2
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
params[0] - params[1]
}

14
core/src/test/java/org/nwapw/abacus/tests/TokenizerTests.java
View File

@ -1,11 +1,13 @@
package org.nwapw.abacus.tests;
import org.jetbrains.annotations.NotNull;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.nwapw.abacus.Abacus;
import org.nwapw.abacus.config.Configuration;
import org.nwapw.abacus.context.MutableEvaluationContext;
import org.nwapw.abacus.context.PluginEvaluationContext;
import org.nwapw.abacus.function.OperatorAssociativity;
import org.nwapw.abacus.function.OperatorType;
import org.nwapw.abacus.function.interfaces.NumberFunction;
@ -24,12 +26,12 @@ public class TokenizerTests {
private static LexerTokenizer lexerTokenizer = new LexerTokenizer();
private static NumberFunction subtractFunction = new NumberFunction() {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return params.length == 2;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return params[0].subtract(params[1]);
}
};
@ -40,12 +42,12 @@ public class TokenizerTests {
0) {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return true;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return subtractFunction.apply(context, params);
}
});
@ -53,12 +55,12 @@ public class TokenizerTests {
0) {
@Override
public boolean matchesParams(MutableEvaluationContext context, NumberInterface[] params) {
public boolean matchesParams(PluginEvaluationContext context, NumberInterface[] params) {
return true;
}
@Override
public NumberInterface applyInternal(MutableEvaluationContext context, NumberInterface[] params) {
public NumberInterface applyInternal(PluginEvaluationContext context, NumberInterface[] params) {
return subtractFunction.apply(context, params);
}
});