mirror of
https://github.com/hanzoai/numscript.git
synced 2026-10-30 18:26:57 +00:00
Alessandro ScandoneandGitHub
5dfc34cd3c
* feat: feature flag syntax * feat: change syntax * feat: reject invalid features * feat: add static check of unknown features * feat: more defensive args handling * fix: fix typo
58 lines
1.2 KiB
ANTLR
58 lines
1.2 KiB
ANTLR
lexer grammar Lexer;
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WS: [ \t\r\n]+ -> skip;
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NEWLINE: [\r\n]+;
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MULTILINE_COMMENT: '/*' (MULTILINE_COMMENT | .)*? '*/' -> skip;
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LINE_COMMENT: '//' .*? NEWLINE -> channel(HIDDEN);
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VARS: 'vars';
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MAX: 'max';
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SOURCE: 'source';
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DESTINATION: 'destination';
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SEND: 'send';
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FROM: 'from';
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UP: 'up';
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TO: 'to';
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REMAINING: 'remaining';
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ALLOWING: 'allowing';
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UNBOUNDED: 'unbounded';
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OVERDRAFT: 'overdraft';
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ONEOF: 'oneof';
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KEPT: 'kept';
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SAVE: 'save';
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LPARENS: '(';
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RPARENS: ')';
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LBRACKET: '[';
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RBRACKET: ']';
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LBRACE: '{';
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RBRACE: '}';
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COMMA: ',';
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EQ: '=';
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STAR: '*';
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PLUS: '+';
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MINUS: '-';
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DIV: '/';
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RESTRICT: '\\';
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WITH: 'with';
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SCALING: 'scaling';
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THROUGH: 'through';
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FEATURE: 'feature';
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HASH_BANG: '#!';
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PERCENTAGE_PORTION_LITERAL: [0-9]+ ('.' [0-9]+)? '%';
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STRING: '"' ('\\"' | ~[\r\n"])* '"';
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IDENTIFIER: [a-z]+ [a-z_]*;
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NUMBER: [0-9]+ ('_' [0-9]+)*;
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ASSET: [A-Z][A-Z0-9]* ('/' [0-9]+)?;
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ACCOUNT_START: '@' -> pushMode(ACCOUNT_MODE);
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COLON: ':' -> pushMode(ACCOUNT_MODE);
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fragment VARIABLE_NAME_FRAGMENT: '$' [a-z_]+ [a-z0-9_]*;
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mode ACCOUNT_MODE;
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ACCOUNT_TEXT: [a-zA-Z0-9_-]+ -> popMode;
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VARIABLE_NAME_ACC: VARIABLE_NAME_FRAGMENT -> popMode;
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mode DEFAULT_MODE;
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VARIABLE_NAME: VARIABLE_NAME_FRAGMENT; |