ANTLR 速记 - Githubissues

bxb100 / bxb100.github.io

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Open bxb100 opened 1 year ago

bxb100 commented 1 year ago

grammar Expr;

expr: expr '^' expr
| INT
;

INT: [0-9]+;
WS: [ \t\r\n]+ -> skip;

使用 assoc

grammar Expr;

expr: <assoc=right> expr '^' expr
| INT
;

INT: [0-9]+;
WS: [ \t\r\n]+ -> skip;

bxb100 commented 1 year ago

*( *a) [] []

grammar PC;

decl: decl '[' ']'
| '*' decl
| '(' decl ')'
| ID
;

ID: [a-zA-Z]+;
WS: [ \t\r\n]+ -> skip;