From 9a2ab9bb803aa4da2a6007cc2e945d6bc1fe0b39 Mon Sep 17 00:00:00 2001
From: dibyendumajumdar <mobile@majumdar.org.uk>
Date: Fri, 25 Aug 2023 23:16:07 +0100
Subject: Reorganized the project as multi-maven module Updated README Added
 language module with grammar Split the code into common and chapter01
 modules. Removed a number of utility classes that were imported from AA.
 Added github workflow file.

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 chapter01/docs/01-grammar.md | 0
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From b8f815a16ebad6675b6305d623196a8210145b75 Mon Sep 17 00:00:00 2001
From: dibyendumajumdar <mobile@majumdar.org.uk>
Date: Fri, 25 Aug 2023 23:26:23 +0100
Subject: Added a grammar definition for chapter 01.

---
 chapter01/docs/01-grammar.md | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'chapter01/docs')

diff --git a/chapter01/docs/01-grammar.md b/chapter01/docs/01-grammar.md
index e69de29b..92ed7357 100644
--- a/chapter01/docs/01-grammar.md
+++ b/chapter01/docs/01-grammar.md
@@ -0,0 +1,39 @@
+# 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 ')'
+    ;
+```
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