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gramatyka.txt
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gramatyka.txt
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program_all -> procedures main
procedures -> procedures PROCEDURE proc_head IS declarations IN commands END
| procedures PROCEDURE proc_head IS IN commands END
|
main -> PROGRAM IS declarations IN commands END
| PROGRAM IS IN commands END
commands -> commands command
| command
command -> identifier := expression;
| IF condition THEN commands ELSE commands ENDIF
| IF condition THEN commands ENDIF
| WHILE condition DO commands ENDWHILE
| REPEAT commands UNTIL condition;
| proc_call;
| READ identifier;
| WRITE value;
proc_head -> pidentifier ( args_decl )
proc_call -> pidentifier ( args )
declarations -> declarations, pidentifier
| declarations, pidentifier[num]
| pidentifier
| pidentifier[num]
args_decl -> args_decl, pidentifier
| args_decl, T pidentifier
| pidentifier
| T pidentifier
args -> args, pidentifier
| pidentifier
expression -> value
| value + value
| value - value
| value * value
| value / value
| value % value
condition -> value = value
| value != value
| value > value
| value < value
| value >= value
| value <= value
value -> num
| identifier
identifier -> pidentifier
| pidentifier[num]
| pidentifier[pidentifier]