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15 lines
393 B
15 lines
393 B
tree grammar PolyPrinter;
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options {
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tokenVocab=Poly;
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language=ObjC;
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ASTLabelType=CommonTree;
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output=template;
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}
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poly: ^('+' a=poly b=poly) -> template(a={$a.st} b:b={$b.st}) "<a>+<b>"
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| ^(MULT a=poly b=poly) -> template(a={$a.st} b:b={$b.st}) "<a><b>"
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| ^('^' a=poly b=poly) -> template(a={$a.st} b:b={$b.st}) "<a>^<b>"
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| INT -> {%{$INT.text}}
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| ID -> {%{$ID.text}}
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;
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