Decaf Reference Grammar: Java-like Programming Language, Study Guides, Projects, Research of Computer Science

Download Decaf Reference Grammar: Java-like Programming Language and more Study Guides, Projects, Research Computer Science in PDF only on Docsity! Decaf Reference Grammar Draft – Revised 2/28/08 After left factoring, <program>  class <class-name> ‘{‘ <declarations> ‘}’ <class-name>  id <declarations>   | <type> id <declarations-cont1> | void id ‘(‘ [ { <type> id }+, ] ‘)’ <block> <method-declarations> <declarations-cont1>  ‘=’ <constant> ‘;’ <declarations> | ‘;’ <declarations> | ‘,’ <id-list> ‘;’ <declarations> | ‘(‘ [ { <type> id }+, ] ‘)’ <block> <method-declarations> <id-list>  id | id ‘,’ <id-list> <method-declarations>   | <type> id ‘(‘ [ { <type> id }+, ] ‘)’ <block> <method-declarations> | void id ‘(‘ [ { <type> id }+, ] ‘)’ <block> <method-declarations> <block>  ‘{‘ <var-decl> * <statement> * ‘}’ <var-decl>  <type> { id } +, ‘;’ <type>  int | bool <statement>  id <statement-cont> | callout ‘(‘ stringConstant [ { <callout-arg> } +, } ] ‘)’ | if ‘(‘ <expr> ‘)’ <block> | while ‘(‘ <expr> ‘)’ <block> | for ‘(‘ { <assign> } +, ‘;’ <expr> ‘;’ { <assign> } +, ‘)’ <block> // remover for? | return [ <expr> ] ‘;’ | break ‘;’ | continue ‘;’ | <block> <statement-cont>  ‘=’ <expr> ‘;’ // assign | <array-index-part> ‘=’ <expr> ‘;’ // assign | <method-param-part> ‘;’ // method call