tree-sitter/spec/fixtures/grammars/json.cpp
2014-02-13 13:22:47 -08:00

53 lines
1.5 KiB
C++

#include "test_grammars.h"
#include "rules.h"
using namespace tree_sitter;
using namespace rules;
static rule_ptr comma_sep(const rule_ptr &rule) {
return seq({
rule,
choice({
repeat(seq({ aux_sym("comma"), rule })),
blank(),
}),
});
}
namespace test_grammars {
Grammar json() {
return Grammar("value", {
{ "value", choice({
sym("object"),
sym("array"),
sym("string"),
sym("number") }) },
{ "object", seq({
aux_sym("left_brace"),
comma_sep(seq({
sym("string"),
aux_sym("colon"),
sym("value") })),
aux_sym("right_brace"), }) },
{ "array", seq({
aux_sym("left_bracket"),
comma_sep(sym("value")),
aux_sym("right_bracket"), }) },
{ "string", seq({
character('"'),
repeat(choice({
pattern("[^\"]"),
str("\\\""),
})),
character('"') }) },
{ "number", pattern("\\d+") }
}, {
{ "comma", str(",") },
{ "colon", str(":") },
{ "left_bracket", str("[") },
{ "right_bracket", str("]") },
{ "left_brace", str("{") },
{ "right_brace", str("}") },
});
}
}