add variable declaration to parser

3 files changed, 16 insertions, 2 deletions

diff --git a/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Expression.java b/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Expression.java
index 6ca58b2..18fc585 100644
--- a/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Expression.java
+++ b/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Expression.java
@@ -4,7 +4,7 @@ import no.eliashaugsbakk.kompilator.parsing.node.ASTNode;
 
 /**
  * Base class for all expression nodes.
- * An expression is a piece of code that evaluates to a value.
+ * An expression is a piece of code that evaluates to a value. (i.e., returns a value)
  * Expressions cannot stand alone as statements; they must be used within statements.
  * <p>
  * Examples:
diff --git a/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Identifier.java b/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Identifier.java
new file mode 100644
index 0000000..c1f475f
--- /dev/null
+++ b/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/Identifier.java
@@ -0,0 +1,12 @@
+package no.eliashaugsbakk.kompilator.parsing.node.expression;
+
+/**
+ * Resolves to a variable's value
+ */
+public class Identifier extends Expression {
+  final String name;
+
+  public Identifier(String name) {
+    this.name = name;
+  }
+}
diff --git a/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/StringLiteral.java b/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/literal/StringLiteral.java
index 67ce405..82402ed 100644
--- a/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/StringLiteral.java
+++ b/src/main/java/no/eliashaugsbakk/kompilator/parsing/node/expression/literal/StringLiteral.java
@@ -1,4 +1,6 @@
-package no.eliashaugsbakk.kompilator.parsing.node.expression;
+package no.eliashaugsbakk.kompilator.parsing.node.expression.literal;
+
+import no.eliashaugsbakk.kompilator.parsing.node.expression.Expression;
 
 /**
  * Represents a string literal expression (e.g., "Hello, World").