ddc469da07
fixed self referencing grammer fixed and also connected the two file ,parser and grammer. initial parser code added
36 lines
790 B
ANTLR
36 lines
790 B
ANTLR
parser grammar ExprParser;
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options {
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tokenVocab=ExprLexer;
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}
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// Class Parser rules
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prog : class EOF;
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class:(Public | Private | Protected ) Class ID SLPAREN method+ SRPAREN;
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//Method Decloration
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method: Public Static Void ID LPAREN arg* RPAREN SLPAREN methodCode SRPAREN
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| Private Static Void ID SLPAREN methodCode SRPAREN
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| Protected Static Void ID SLPAREN methodCode SRPAREN
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;
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methodCode: systemOutPrint* forloop*
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;
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systemOutPrint
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: SYSTEM DOT OUT DOT PRINT LPAREN data RPAREN SEMI;
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forloop: For LPAREN arg RPAREN SLPAREN methodCode SRPAREN;
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arg: String arraydef* ID
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| exp SEMI exp SEMI exp
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;
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exp: define
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| ID GreterEql INTE
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| ID INCMENT
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;
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define : Int ID EQL INTE;
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arraydef: SqLPAREN (data T)* SqRPAREN;
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data: STRING ; |