46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#include "test_grammars.h"
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#include "rules.h"
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using namespace tree_sitter;
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using namespace rules;
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static rule_ptr comma_sep(const rule_ptr &rule) {
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return seq({
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rule,
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choice({
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repeat(seq({ str(","), rule })),
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blank()
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})
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});
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}
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namespace test_grammars {
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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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{ "object", seq({
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str("{"),
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comma_sep(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(sym("value")),
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str("]"), }) },
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{ "string", seq({
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character('"'),
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repeat(choice({
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pattern("[^\"]"),
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str("\\\""),
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})),
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character('"') }) },
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{ "number", pattern("\\d+") }
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});
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}
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}
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