expressi.txt

来自「编译原理课程设计」· 文本 代码 · 共 128 行

Program -> Type ID ( Paramete2Lis ) { sub_program } 
Type -> integer' 
Paramete2Lis -> Type ID ParameterL' 
Type -> c 
ParameterL' -> Null 
sub_program -> DeclarationL Statement L 
DeclarationL -> Type VariablesT ; Declaration 
Type -> c 
VariablesT -> ID Variables_T' 
Variables_T' -> Null 
Declaration -> DeclarationL 
DeclarationL -> Type VariablesT ; Declaration 
Type -> c 
VariablesT -> ID Variables_T' 
Variables_T' -> Null 
Declaration -> DeclarationL 
DeclarationL -> Type VariablesT ; Declaration 
Type -> c 
VariablesT -> ID Variables_T' 
Variables_T' -> Null 
Declaration -> DeclarationL 
DeclarationL -> Type VariablesT ; Declaration 
Type -> c 
VariablesT -> ID Variables_T' 
Variables_T' -> Null 
Declaration -> Null 
Statement L -> stetement Statement_L' 
stetement -> evaluateState; 
evaluateState-> ID = MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> + Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> * Factor item' 
Factor -> NUM 
item' -> Null 
Mathstateme' -> Null 
Statement_L' -> Statement L 
Statement L -> stetement Statement_L' 
stetement -> if_statement 
if_statement -> if ( relationStat ) stetement IfStatement' 
relationStat -> MathStatemen RelationLabl MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
RelationLabl -> > 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
stetement -> compoundStat 
compoundStat -> { Statement L } 
Statement L -> stetement Statement_L' 
stetement -> if_statement 
if_statement -> if ( relationStat ) stetement IfStatement' 
relationStat -> MathStatemen RelationLabl MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
RelationLabl -> < 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
stetement -> compoundStat 
compoundStat -> { Statement L } 
Statement L -> stetement Statement_L' 
stetement -> evaluateState; 
evaluateState-> ID = MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> + Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
Statement_L' -> Statement L 
Statement L -> stetement Statement_L' 
stetement -> evaluateState; 
evaluateState-> ID = MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> / Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
Statement_L' -> Null 
IfStatement' -> Null   
Statement_L' -> Statement L 
Statement L -> stetement Statement_L' 
stetement -> evaluateState; 
evaluateState-> ID = MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> + Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
Statement_L' -> Statement L 
Statement L -> stetement Statement_L' 
stetement -> evaluateState; 
evaluateState-> ID = MathStatemen 
MathStatemen -> Item Mathstateme' 
Item -> Factor item' 
Factor -> ID 
item' -> / Factor item' 
Factor -> ID 
item' -> Null 
Mathstateme' -> Null 
Statement_L' -> Null 
IfStatement' -> Null   
Statement_L' -> Null