2df56f01c8
Now, you can't a particular occurrence of a symbol in a grammar. You can only hide a symbol globally (right now, by beginning its name with an underscore).
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
#include "tree_sitter/compiler.h"
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namespace tree_sitter {
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namespace examples {
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using namespace tree_sitter::rules;
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static rule_ptr comma_sep(const rule_ptr &rule) {
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return choice({
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seq({
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rule,
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repeat(seq({ str(","), rule })),
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}),
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blank(),
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});
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}
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Grammar json() {
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return Grammar({
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{ "value", choice({
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sym("object"),
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sym("array"),
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sym("string"),
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sym("number"),
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sym("true"),
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sym("false"),
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sym("null"), }) },
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{ "object", seq({
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str("{"),
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comma_sep(err(seq({
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sym("string"),
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str(":"),
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sym("value") }))),
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str("}"), }) },
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{ "array", seq({
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str("["),
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comma_sep(err(sym("value"))),
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str("]"), }) },
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{ "string", pattern("\"([^\"]|\\\\\")+\"") },
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{ "number", pattern("\\d+(.\\d+)?") },
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{ "null", str("null") },
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{ "true", str("true") },
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{ "false", str("false") },
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});
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}
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}
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}
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