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authorDibyendu Majumdar <mobile@majumdar.org.uk>2023-09-26 17:43:36 +0100
committerDibyendu Majumdar <mobile@majumdar.org.uk>2024-10-23 17:51:09 -0700
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Chapter 2: Arithmeticlinear-chapter02
Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: Thalia Archibald <thalia@archibald.dev> Co-authored-by: Yichen Yan <oraluben@outlook.com> Co-authored-by: XmiliaH <45106915+XmiliaH@users.noreply.github.com> Co-authored-by: Tamás Hadházy <85063808+Hels15@users.noreply.github.com>
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+# Grammar for Chapter 1
+
+```antlrv4
+grammar SimpleLanguage;
+
+program
+ : statement EOF
+ ;
+
+statement
+ : 'return' expression ';'
+ ;
+
+expression
+ : additiveExpression
+ ;
+
+additiveExpression
+ : multiplicativeExpression (('+' | '-') multiplicativeExpression)*
+ ;
+
+multiplicativeExpression
+ : unaryExpression (('*' | '/') unaryExpression)*
+ ;
+
+unaryExpression
+ : ('-') unaryExpression
+ | primaryExpression
+ ;
+
+primaryExpression
+ : INTEGER_LITERAL
+ | '(' expression ')'
+ ;
+
+INTEGER_LITERAL
+ : [1-9][0-9]*
+ | [0]
+ ;
+```