3 files changed, 58 insertions, 0 deletions
diff --git a/chapter01/README.md b/chapter01/README.md
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+# Chapter 1
+Simple start and end node for basic empty script.
+
+
+* [Grammar](docs/01-grammar.md)
+\ No newline at end of file
diff --git a/chapter01/docs/01-grammar.md b/chapter01/docs/01-grammar.md
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+# Grammar for Chapter 1
+
+```antlrv4
+grammar SimpleLanguage;
+
+program
+    : declaration* statement+ EOF
+    ;
+
+declaration
+    : type IDENTIFIER ';'
+    ;
+
+type
+    : 'int'
+    ;
+
+statement
+    : 'if' '(' expression ')' statement
+    | 'if' '(' expression ')' statement 'else' statement
+    | 'while' '(' expression ')' statement
+    | IDENTIFIER '=' expression ';'
+    | '{' declaration* statement+ '}'
+    | 'break' ';'
+    ;
+
+expression
+    : primaryExpression                                             # PrimaryExpression_
+    | expression ('*' | '/' ) expression                            # ArithmeticOrLogicalExpression
+    | expression ('+' | '-') expression                             # ArithmeticOrLogicalExpression
+    ;
+
+primaryExpression
+    :
+    | INTEGER_LITERAL
+    | IDENTIFIER
+    | '(' expression ')'
+    ;
+```
+\ No newline at end of file
diff --git a/chapter01/pom.xml b/chapter01/pom.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.seaofnodes</groupId>
+        <artifactId>simple</artifactId>
+        <version>1.0</version>
+    </parent>
+    <artifactId>chapter01</artifactId>
+    <packaging>jar</packaging>
+    <name>Chapter 1</name>
+</project>
+\ No newline at end of file