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authorDibyendu Majumdar <mobile@majumdar.org.uk>2023-08-19 08:52:57 -0700
committerDibyendu Majumdar <mobile@majumdar.org.uk>2026-11-08 14:10:02 -0800
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Chapter 1: Introduction
Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: Thalia Archibald <thalia@archibald.dev> Co-authored-by: hadha <helsgithub15@gmail.com> Co-authored-by: XmiliaH <45106915+XmiliaH@users.noreply.github.com> Co-authored-by: Tamás Hadházy <85063808+Hels15@users.noreply.github.com> Co-authored-by: Jun Kawasaki <jun784@gmail.com>
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+# Grammar for Chapter 1
+
+English | [日本語](01-grammar.ja.md)
+
+```antlrv4
+grammar SimpleLanguage;
+
+program
+ : statement EOF
+ ;
+
+statement
+ : 'return' expression ';'
+ ;
+
+expression
+ : primaryExpression
+ ;
+
+primaryExpression
+ : INTEGER_LITERAL
+ ;
+
+INTEGER_LITERAL
+ : [1-9][0-9]*
+ | [0]
+ ;
+```