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NewCompileError/2014_08_02 (rev. 1.4)

New Compile Error/2014_08_02

Mini C BNF


program ::= (variable-def | function-def)*    
function-def ::= typespecifier ID params compound-stmt 
variable-def ::= typespecifier init-decl-list “;” 
init-decl-list ::= init-decl (“,” init-decl)* 
init-decl ::= declarator (“=” initializer)? 
declarator ::= ID  | ID “[“ INTLITERAL “]” 
initializer ::= expr  | “{“ expr ( “,” expr )*  “}” 
typespecifier ::= void | int | bool | float    
compound-stmt ::= “{” variable-def* stmt* “}” 
stmt ::= compound-stmt  | if-stmt  | while-stmt  | for-stmt  | return expr? “;”  | ID “=” expr “;”  | ID “[” expr “]” “=” expr “;”  | ID arglist “;”    
if-stmt ::= if “(” expr “)” stmt ( else stmt )? 
while-stmt ::= while “(“ expr “)” stmt 
for-stmt ::= for “(“ asgnexpr? ”;” expr? “;” asgnexpr? “)” stmt    
expr ::= or-expr 
or-expr ::= and-expr  | or-expr “||” and-expr 
and-expr ::= relational-expr  | and-expr “&&” relational-expr 
relational-expr ::= add-expr  | add-expr “==” add-expr  | add-expr “!=” add-expr  | add-expr “<” add-expr  | add-expr “<=” add-expr  | add-expr “>” add-expr  | add-expr “>=” add-expr 
add-expr ::= mult-expr  | add-expr “+” mult-expr  |     add-expr “-“ mult-expr 
mult-expr ::= unary-expr  | mult-expr “*” unary-expr  | mult-expr “/” unary-expr 
unary-expr ::= primary-expr  | “+” unary-expr  | “-“ unary-expr  | “!” unary-expr 
primary-expr ::= ID arglist?  | ID “[“ expr “]”  | “(“ expr “)”  | INTLITERAL  | BOOLLITERAL  | FLOATLITERAL  | STRINGLITERAL    
asgnexpr ::= ID “=” expr    
params ::= “(“ params-list?  “)” 
params-list ::= parameter-decl ( “,” parameter-decl )* 
parameter-decl ::= typespecifier declarator 
arglist ::= “(“ args? “)” 
args ::= arg ( “,” arg )* 
arg ::= expr 
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