write LEX file
This commit is contained in:
Jan-Niclas Loosen
@@ -1,100 +1,135 @@
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Created by PLY version 3.11 (http://www.dabeaz.com/ply)
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Grammar
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Rule 0 S' -> expression
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Rule 1 expression -> CONST
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Rule 2 expression -> WHILE expression DO LBRACE expression RBRACE
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Terminals, with rules where they appear
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CONST : 1
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DO : 2
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LBRACE : 2
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RBRACE : 2
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WHILE : 2
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error :
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Nonterminals, with rules where they appear
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expression : 2 2 0
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Parsing method: LALR
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state 0
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(0) S' -> . expression
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(1) expression -> . CONST
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(2) expression -> . WHILE expression DO LBRACE expression RBRACE
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CONST shift and go to state 2
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WHILE shift and go to state 3
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expression shift and go to state 1
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state 1
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(0) S' -> expression .
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state 2
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(1) expression -> CONST .
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$end reduce using rule 1 (expression -> CONST .)
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DO reduce using rule 1 (expression -> CONST .)
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RBRACE reduce using rule 1 (expression -> CONST .)
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state 3
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(2) expression -> WHILE . expression DO LBRACE expression RBRACE
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(1) expression -> . CONST
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(2) expression -> . WHILE expression DO LBRACE expression RBRACE
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CONST shift and go to state 2
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WHILE shift and go to state 3
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expression shift and go to state 4
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state 4
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(2) expression -> WHILE expression . DO LBRACE expression RBRACE
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DO shift and go to state 5
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state 5
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(2) expression -> WHILE expression DO . LBRACE expression RBRACE
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LBRACE shift and go to state 6
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state 6
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(2) expression -> WHILE expression DO LBRACE . expression RBRACE
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(1) expression -> . CONST
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(2) expression -> . WHILE expression DO LBRACE expression RBRACE
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CONST shift and go to state 2
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WHILE shift and go to state 3
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expression shift and go to state 7
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state 7
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(2) expression -> WHILE expression DO LBRACE expression . RBRACE
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RBRACE shift and go to state 8
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state 8
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(2) expression -> WHILE expression DO LBRACE expression RBRACE .
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$end reduce using rule 2 (expression -> WHILE expression DO LBRACE expression RBRACE .)
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DO reduce using rule 2 (expression -> WHILE expression DO LBRACE expression RBRACE .)
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RBRACE reduce using rule 2 (expression -> WHILE expression DO LBRACE expression RBRACE .)
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Created by PLY version 3.11 (http://www.dabeaz.com/ply)
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Unused terminals:
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AOP
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ASSIGN
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COMMA
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ELSE
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FALSE
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ID
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IF
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IN
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LET
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LOP
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LPAREN
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RELOP
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RPAREN
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SEMICOLON
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THEN
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TRUE
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Grammar
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Rule 0 S' -> expression
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Rule 1 expression -> CONST
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Rule 2 expression -> WHILE expression DO LBRACE expression RBRACE
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Terminals, with rules where they appear
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AOP :
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ASSIGN :
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COMMA :
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CONST : 1
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DO : 2
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ELSE :
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FALSE :
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ID :
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IF :
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IN :
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LBRACE : 2
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LET :
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LOP :
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LPAREN :
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RBRACE : 2
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RELOP :
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RPAREN :
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SEMICOLON :
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THEN :
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TRUE :
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WHILE : 2
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error :
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Nonterminals, with rules where they appear
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expression : 2 2 0
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Parsing method: LALR
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state 0
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(0) S' -> . expression
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(1) expression -> . CONST
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(2) expression -> . WHILE expression DO LBRACE expression RBRACE
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CONST shift and go to state 2
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WHILE shift and go to state 3
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expression shift and go to state 1
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state 1
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(0) S' -> expression .
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state 2
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(1) expression -> CONST .
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$end reduce using rule 1 (expression -> CONST .)
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DO reduce using rule 1 (expression -> CONST .)
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RBRACE reduce using rule 1 (expression -> CONST .)
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state 3
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(2) expression -> WHILE . expression DO LBRACE expression RBRACE
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(1) expression -> . CONST
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(2) expression -> . WHILE expression DO LBRACE expression RBRACE
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CONST shift and go to state 2
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WHILE shift and go to state 3
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expression shift and go to state 4
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state 4
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(2) expression -> WHILE expression . DO LBRACE expression RBRACE
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DO shift and go to state 5
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state 5
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(2) expression -> WHILE expression DO . LBRACE expression RBRACE
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LBRACE shift and go to state 6
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state 6
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(2) expression -> WHILE expression DO LBRACE . expression RBRACE
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(1) expression -> . CONST
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(2) expression -> . WHILE expression DO LBRACE expression RBRACE
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CONST shift and go to state 2
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WHILE shift and go to state 3
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expression shift and go to state 7
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state 7
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(2) expression -> WHILE expression DO LBRACE expression . RBRACE
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RBRACE shift and go to state 8
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state 8
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(2) expression -> WHILE expression DO LBRACE expression RBRACE .
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$end reduce using rule 2 (expression -> WHILE expression DO LBRACE expression RBRACE .)
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DO reduce using rule 2 (expression -> WHILE expression DO LBRACE expression RBRACE .)
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RBRACE reduce using rule 2 (expression -> WHILE expression DO LBRACE expression RBRACE .)
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