Add explicit EOF to top-level parser rule (bp #1217) #1250
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* Fixes #1154 * Tests that #1154 example produces SyntaxErrorsException * Generally helps catch trailing syntax errors * Performance-neutral relative to previous grammar * Recommended by antlr4 devs, can help performance in some cases * See antlr/antlr4#1540 (cherry picked from commit 8f108c1)
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This is an automated backport of pull request #1217 done by Mergify.io