From a48ab32ea87b156145ccc454cdf71dc01cdda0fa Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jans.tuomi@gmail.com>
Date: Tue, 21 Jun 2016 20:23:32 +0300
Subject: Add string literals

---
 main/core/parser/ast/StringLiteralNode.java        | 27 ++++++++++++++++++
 main/core/runtime/Interpreter.java                 |  9 ++----
 main/core/tokenizer/token/Token.java               |  2 ++
 .../tokenizer/token/types/StringLiteralToken.java  | 33 ++++++++++++++++++++++
 4 files changed, 65 insertions(+), 6 deletions(-)
 create mode 100644 main/core/parser/ast/StringLiteralNode.java
 create mode 100644 main/core/tokenizer/token/types/StringLiteralToken.java

(limited to 'main/core')

diff --git a/main/core/parser/ast/StringLiteralNode.java b/main/core/parser/ast/StringLiteralNode.java
new file mode 100644
index 0000000..1ad5e2b
--- /dev/null
+++ b/main/core/parser/ast/StringLiteralNode.java
@@ -0,0 +1,27 @@
+package com.jantuomi.interpreter.main.core.parser.ast;
+
+import com.jantuomi.interpreter.main.core.parser.datatype.DataContainer;
+import com.jantuomi.interpreter.main.core.parser.datatype.StringDataContainer;
+import com.jantuomi.interpreter.main.core.tokenizer.token.Token;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by jan on 21.6.2016.
+ */
+public class StringLiteralNode extends ASTNode {
+    @Override
+    public DataContainer evaluate() {
+        return new StringDataContainer(source.getText());
+    }
+
+    public StringLiteralNode(Token source) {
+        super(source);
+    }
+
+    @Override
+    List<ASTNode> getChildren() {
+        return Arrays.asList();
+    }
+}
diff --git a/main/core/runtime/Interpreter.java b/main/core/runtime/Interpreter.java
index 0789822..f84e7e7 100644
--- a/main/core/runtime/Interpreter.java
+++ b/main/core/runtime/Interpreter.java
@@ -2,9 +2,7 @@ package com.jantuomi.interpreter.main.core.runtime;
 
 import com.jantuomi.interpreter.main.core.parser.ast.ASTNode;
 import com.jantuomi.interpreter.main.core.parser.datatype.DataContainer;
-import com.sun.deploy.util.StringUtils;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -21,17 +19,16 @@ public class Interpreter {
 
     }
     public static String execute(List<ASTNode> sequence) {
-        List<String> output = new ArrayList<>();
+        String output = "";
         for (ASTNode node : sequence) {
             DataContainer data = node.evaluate();
 
             if (data != null) {
-                String out = data.toString();
-                output.add(out);
+                output = data.toString();
             } else {
                 break;
             }
         }
-        return StringUtils.join(output, " ");
+        return output;
     }
 }
diff --git a/main/core/tokenizer/token/Token.java b/main/core/tokenizer/token/Token.java
index 2582590..f058391 100644
--- a/main/core/tokenizer/token/Token.java
+++ b/main/core/tokenizer/token/Token.java
@@ -155,6 +155,8 @@ abstract public class Token {
 
                 case IntegerLiteralToken:
                     return new IntegerLiteralToken(text);
+                case StringLiteralToken:
+                    return new StringLiteralToken(text, rawText);
                 case AdditionToken:
                     return new AdditionToken();
                 case SubtractionToken:
diff --git a/main/core/tokenizer/token/types/StringLiteralToken.java b/main/core/tokenizer/token/types/StringLiteralToken.java
new file mode 100644
index 0000000..8d6cb8a
--- /dev/null
+++ b/main/core/tokenizer/token/types/StringLiteralToken.java
@@ -0,0 +1,33 @@
+package com.jantuomi.interpreter.main.core.tokenizer.token.types;
+
+import com.jantuomi.interpreter.main.core.parser.ast.ASTNode;
+import com.jantuomi.interpreter.main.core.parser.ast.StringLiteralNode;
+import com.jantuomi.interpreter.main.core.tokenizer.token.Token;
+import com.jantuomi.interpreter.main.exception.InterpreterException;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by jan on 21.6.2016.
+ */
+public class StringLiteralToken extends Token {
+    public StringLiteralToken(String text, String rawText) {
+        super(Type.StringLiteralToken, text, rawText);
+    }
+
+    @Override
+    public ASTNode generateNode() throws InterpreterException {
+        return new StringLiteralNode(this);
+    }
+
+    @Override
+    public Token setArguments(List<Token> args) {
+        return this;
+    }
+
+    @Override
+    public List<Token> getChildren() {
+        return Arrays.asList();
+    }
+}
-- 
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