java-projects/Own-Programming-Language-Tutorial
1
0
Fork 0
mirror of https://github.com/aNNiMON/Own-Programming-Language-Tutorial.git synced 2024-09-20 00:34:20 +03:00
Code Issues Packages Projects Releases Wiki Activity

Source located VariableDoesNotExistsException

Browse Source
This commit is contained in:
aNNiMON 2023-10-15 23:09:36 +03:00 committed by Victor Melnik
parent 6a35f6e66a
commit bcce978341
3 changed files with 22 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ownlang-core/src/main/java/com/annimon/ownlang/exceptions/VariableDoesNotExistsException.java
View File

@ -1,11 +1,13 @@
package com.annimon.ownlang.exceptions;
import com.annimon.ownlang.util.Range;
public final class VariableDoesNotExistsException extends OwnLangRuntimeException {
private final String variable;
public VariableDoesNotExistsException(String variable) {
super("Variable " + variable + " does not exists");
public VariableDoesNotExistsException(String variable, Range range) {
super("Variable " + variable + " does not exists", range);
this.variable = variable;
}

5
ownlang-parser/src/main/java/com/annimon/ownlang/parser/Parser.java
View File

@ -853,12 +853,15 @@ public final class Parser {
private Node qualifiedName() {
// var || var.key[index].key2
final var startTokenIndex = index;
final Token current = get(0);
if (!match(TokenType.WORD)) return null;
final List<Node> indices = variableSuffix();
if (indices == null || indices.isEmpty()) {
return new VariableExpression(current.text());
final var variable = new VariableExpression(current.text());
variable.setRange(getRange(startTokenIndex, index - 1));
return variable;
}
return new ContainerAccessExpression(current.text(), indices);
}

16
ownlang-parser/src/main/java/com/annimon/ownlang/parser/ast/VariableExpression.java
View File

@ -3,19 +3,31 @@ package com.annimon.ownlang.parser.ast;
import com.annimon.ownlang.exceptions.VariableDoesNotExistsException;
import com.annimon.ownlang.lib.ScopeHandler;
import com.annimon.ownlang.lib.Value;
import com.annimon.ownlang.util.Range;
import com.annimon.ownlang.util.SourceLocation;
/**
*
* @author aNNiMON
*/
public final class VariableExpression extends InterruptableNode implements Accessible {
public final class VariableExpression extends InterruptableNode implements Accessible, SourceLocation {
public final String name;
private Range range;
public VariableExpression(String name) {
this.name = name;
}
public void setRange(Range range) {
this.range = range;
}
@Override
public Range getRange() {
return range;
}
@Override
public Value eval() {
super.interruptionCheck();
@ -25,7 +37,7 @@ public final class VariableExpression extends InterruptableNode implements Acces
@Override
public Value get() {
if (!ScopeHandler.isVariableOrConstantExists(name)) {
throw new VariableDoesNotExistsException(name);
throw new VariableDoesNotExistsException(name, getRange());
}
return ScopeHandler.getVariableOrConstant(name);
}