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Updated PL/0 grammar file.

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yhirose 2015-07-30 17:28:13 -04:00
parent 38ac34d1ad
commit d7e8cf03f3
1 changed files with 2 additions and 2 deletions
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grammar/pl0.peg
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@ -12,8 +12,8 @@ call <- 'CALL' _ ident
statements <- 'BEGIN' _ statement (';' _ statement )* 'END' _ statements <- 'BEGIN' _ statement (';' _ statement )* 'END' _
if <- 'IF' _ condition 'THEN' _ statement if <- 'IF' _ condition 'THEN' _ statement
while <- 'WHILE' _ condition 'DO' _ statement while <- 'WHILE' _ condition 'DO' _ statement
out <- '!' _ expression out <- ('out' / 'write' / '!') _ expression
in <- '?' _ ident in <- ('in' / 'read' / '?') _ ident
condition <- odd / compare condition <- odd / compare
odd <- 'ODD' _ expression odd <- 'ODD' _ expression