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Fix JsonEncoder for AstExprTable (#454)

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JsonEncoder wasn't producing valid JSON for `AstExprTable`s. This PR fixes it. The new output looks like
```json
{
    "type": "AstStatBlock",
    "location": "0,0 - 6,4",
    "body": [
        {
            "type": "AstStatLocal",
            "location": "1,8 - 5,9",
            "vars": [
                {
                    "name": "x",
                    "location": "1,14 - 1,15"
                }
            ],
            "values": [
                {
                    "type": "AstExprTable",
                    "location": "3,12 - 5,9",
                    "items": [
                        {
                            "kind": "record",
                            "key": {
                                "type": "AstExprConstantString",
                                "location": "4,12 - 4,15",
                                "value": "foo"
                            },
                            "value": {
                                "type": "AstExprConstantNumber",
                                "location": "4,18 - 4,21",
                                "value": 123
                            }
                        }
                    ]
                }
            ]
        }
    ]
}
```
This commit is contained in:
Lily Brown 2022-04-08 11:26:47 -07:00 committed by GitHub
parent de1381e3f1
commit 510aed7d3f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 15 deletions
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21
Analysis/src/JsonEncoder.cpp
View File

@ -403,35 +403,26 @@ struct AstJsonEncoder : public AstVisitor
void write(const AstExprTable::Item& item)
{
writeRaw("{");
bool comma = pushComma();
bool c = pushComma();
write("kind", item.kind);
switch (item.kind)
{
case AstExprTable::Item::List:
write(item.value);
write("value", item.value);
break;
default:
write(item.key);
writeRaw(",");
write(item.value);
write("key", item.key);
write("value", item.value);
break;
}
popComma(comma);
popComma(c);
writeRaw("}");
}
void write(class AstExprTable* node)
{
writeNode(node, "AstExprTable", [&]() {
bool comma = false;
for (const auto& prop : node->items)
{
if (comma)
writeRaw(",");
else
comma = true;
write(prop);
}
PROP(items);
});
}

21
tests/JsonEncoder.test.cpp
View File

@ -1,6 +1,7 @@
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#include "Luau/Ast.h"
#include "Luau/JsonEncoder.h"
#include "Luau/Parser.h"
#include "doctest.h"
@ -50,4 +51,24 @@ TEST_CASE("encode_AstStatBlock")
toJson(&block));
}
TEST_CASE("encode_tables")
{
std::string src = R"(
local x: {
foo: number
} = {
foo = 123,
}
)";
Allocator allocator;
AstNameTable names(allocator);
ParseResult parseResult = Parser::parse(src.c_str(), src.length(), names, allocator);
REQUIRE(parseResult.errors.size() == 0);
std::string json = toJson(parseResult.root);
CHECK(json == R"({"type":"AstStatBlock","location":"0,0 - 6,4","body":[{"type":"AstStatLocal","location":"1,8 - 5,9","vars":[{"type":{"type":"AstTypeTable","location":"1,17 - 3,9","props":[{"name":"foo","location":"2,12 - 2,15","type":{"type":"AstTypeReference","location":"2,17 - 2,23","name":"number","parameters":[]}}],"indexer":false},"name":"x","location":"1,14 - 1,15"}],"values":[{"type":"AstExprTable","location":"3,12 - 5,9","items":[{"kind":"record","key":{"type":"AstExprConstantString","location":"4,12 - 4,15","value":"foo"},"value":{"type":"AstExprConstantNumber","location":"4,18 - 4,21","value":123}}]}]}]})");
}
TEST_SUITE_END();