Experimental two-Program grammar

< programs >->< declarations list >|< programs >< functions >

< declarations list >->< declarations >|< declarations List >< declarations >

< declarations >-> #include < identifiers. H >

< functions >->< modifiers >< identifiers >< formal parameters >< Compound statements >

< modifier >->void | int |char |float|double

< identifiers >-> <D>|< identifiers ><D>|< identifiers ><N>

<d>->a|b|...| Z

<n>->0|1|2|...| 9

< formal parameters >->< data types >< identifiers >

< data type >->int|float|double|char

< compound statement >->< statement list >| {}

< statement list >->< Statement >|< statement list >< statements >

< statements >->< Conditional statements >|< Assignment Statements >

< conditional statements >-><S1>|<S2>

<S1>->if<b>< conditional Statements > Else < conditional statements >

<S2>->IF <b>< Conditional Statements >|< compound statements >

<b>->< Logical Expressions >

< logical Expressions >->< identifiers >|<N>|< logical operators >|< identifiers >|<N>

< logical operators >-> >|=|>=|<=|<|!

< Assignment statements >->< identifiers >=< expressions >

< expressions >-> Expressions +t| Expressions-t| T

T->f*f| T/f| F

f-> (expression) |i

Expression---expression + T | Expression –t | T

T-f*f| T/f| F

f-> (expression) |i

Experimental two-Program grammar