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Code Issues Releases Wiki Activity

recognise variables

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This commit is contained in:
Riley Jones 2017-08-07 15:03:14 -07:00
parent 6a15c266c4
commit b9c88b9d24
6 changed files with 16 additions and 6 deletions
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6
src/main/java/org/nwapw/abacus/fx/AbacusController.java
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@ -13,10 +13,7 @@ import org.nwapw.abacus.Abacus;
import org.nwapw.abacus.config.Configuration;
import org.nwapw.abacus.number.ComputationInterruptedException;
import org.nwapw.abacus.number.NumberInterface;
import org.nwapw.abacus.plugin.ClassFinder;
import org.nwapw.abacus.plugin.PluginListener;
import org.nwapw.abacus.plugin.PluginManager;
import org.nwapw.abacus.plugin.StandardPlugin;
import org.nwapw.abacus.plugin.*;
import org.nwapw.abacus.tree.TreeNode;
import java.io.File;
@ -217,6 +214,7 @@ public class AbacusController implements PluginListener {
PluginManager abacusPluginManager = abacus.getPluginManager();
abacusPluginManager.addListener(this);
abacusPluginManager.addInstantiated(new StandardPlugin(abacus.getPluginManager()));
abacusPluginManager.addInstantiated(new VariablePlugin(abacus.getPluginManager()));
try {
ClassFinder.loadJars("plugins").forEach(abacusPluginManager::addClass);
} catch (IOException | ClassNotFoundException e) {

5
src/main/java/org/nwapw/abacus/lexing/Lexer.java
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@ -57,6 +57,7 @@ public class Lexer<T> {
* @return the best match.
*/
public Match<T> lexOne(String from, int startAt, Comparator<T> compare) {
//boolean variable = true;
ArrayList<Match<T>> matches = new ArrayList<>();
HashSet<PatternNode<T>> currentSet = new HashSet<>();
HashSet<PatternNode<T>> futureSet = new HashSet<>();
@ -70,6 +71,7 @@ public class Lexer<T> {
node.addOutputsInto(futureSet);
} else if (node instanceof EndNode) {
matches.add(new Match<>(from.substring(startAt, index), ((EndNode<T>) node).getPatternId()));
//variable = false;
}
}
@ -84,6 +86,9 @@ public class Lexer<T> {
if (compare != null) {
matches.sort(Comparator.comparingInt(a -> a.getContent().length()));
}
//if(variable&&) {
// matches.add(new Match<>(from.substring(startAt, index), ((EndNode<T>) node).getPatternId()));
//}
return matches.isEmpty() ? null : matches.get(matches.size() - 1);
}

2
src/main/java/org/nwapw/abacus/lexing/pattern/Match.java
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@ -1,5 +1,7 @@
package org.nwapw.abacus.lexing.pattern;
import org.nwapw.abacus.tree.TokenType;
/**
* A match that has been generated by the lexer.
*

1
src/main/java/org/nwapw/abacus/parsing/LexerTokenizer.java
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@ -36,6 +36,7 @@ public class LexerTokenizer implements Tokenizer<Match<TokenType>>, PluginListen
register("[0-9]*(\\.[0-9]+)?", TokenType.NUM);
register("\\(", TokenType.OPEN_PARENTH);
register("\\)", TokenType.CLOSE_PARENTH);
register("[a-zA-Z]+",TokenType.VARIABLE);
}};
}

6
src/main/java/org/nwapw/abacus/parsing/ShuntingYardParser.java
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@ -63,7 +63,9 @@ public class ShuntingYardParser implements Parser<Match<TokenType>>, PluginListe
matchType = match.getType();
if (matchType == TokenType.NUM) {
output.add(match);
} else if (matchType == TokenType.FUNCTION) {
}else if(matchType == TokenType.VARIABLE) {
output.add(match);
}else if (matchType == TokenType.FUNCTION) {
output.add(new Match<>("", TokenType.INTERNAL_FUNCTION_END));
tokenStack.push(match);
} else if (matchType == TokenType.OP) {
@ -144,6 +146,8 @@ public class ShuntingYardParser implements Parser<Match<TokenType>>, PluginListe
}
} else if (matchType == TokenType.NUM) {
return new NumberNode(abacus.numberFromString(match.getContent()));
} else if (matchType == TokenType.VARIABLE){
return new VariableNode(match.getContent());
} else if (matchType == TokenType.FUNCTION) {
String functionName = match.getContent();
FunctionNode node = new FunctionNode(functionName);

2
src/main/java/org/nwapw/abacus/tree/TokenType.java
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@ -7,7 +7,7 @@ package org.nwapw.abacus.tree;
public enum TokenType {
INTERNAL_FUNCTION_END(-1),
ANY(0), WHITESPACE(1), COMMA(2), OP(3), NUM(4), FUNCTION(5), OPEN_PARENTH(6), CLOSE_PARENTH(7);
ANY(0), WHITESPACE(1), COMMA(2), OP(3), NUM(4), VARIABLE(5), FUNCTION(6), OPEN_PARENTH(7), CLOSE_PARENTH(8);
/**
* The priority by which this token gets sorted.