initial commit

1 files changed, 59 insertions, 0 deletions

diff --git a/generate_parsers.lua b/generate_parsers.lua
new file mode 100644
index 0000000..816358c
--- /dev/null
+++ b/generate_parsers.lua
@@ -0,0 +1,59 @@
+---@type string
+local parsers_content = io.read("*a")
+---@type string
+local aliases = parsers_content:match("for ft, lang in pairs {(.-)} do")
+
+print([[
+pub static ALIASES: LazyLock<HashMap<&'static str, &'static str>> = LazyLock::new(|| {
+    HashMap::from([]])
+for k,v in aliases:gmatch("%[?\"?([^%s]-)\"?%]? = \"(.-)\",") do
+    print([[        ("]] .. k .. [[", "]] .. v .. [["),]])
+end
+print("    ])")
+print([[});
+]])
+
+local function crush(t1, t2)
+    for k,v in pairs(t2) do t1[k] = v end
+end
+
+local function quote(v)
+    return type(v) == "string" and [["]] .. v .. [["]] or v
+end
+
+local function opt(v)
+    return type(v) == "nil" and "None" or "Some(" .. quote(v) .. ")"
+end
+
+print([[pub static PARSERS: LazyLock<HashMap<&'static str, Parser>> = LazyLock::new(|| {
+    HashMap::from([]])
+for lang, _data in parsers_content:gmatch("list%.(%w+)%s-=%s-{.-install_info%s-=%s(%b{})") do
+    local data = load("return " .. _data)()
+    local info = {
+        url = "",
+        files = {},
+        generate_requires_npm = false,
+        requires_generate_from_grammar = false,
+        use_makefile = false,
+    }
+
+    crush(info, data)
+    local files_str = ""
+    for _,v in ipairs(info.files) do
+        files_str  = files_str .. "\"" .. v .. "\"" .. (next(info.files, _) ~= nil and "," or "")
+    end
+
+     print("        ("  .. quote(lang) .. ", Parser {")
+     print("            url: " .. quote(info.url) .. ",")
+     print("            branch: " .. opt(info.branch) .. ",")
+     print("            revision: " .. opt(info.revision) .. ",")
+     print("            files: &[".. files_str .. "],")
+     print("            generate_requires_npm: " .. tostring(info.generate_requires_npm) .. ",")
+     print("            requires_generate_from_grammar: " .. tostring(info.requires_generate_from_grammar) .. ",")
+     print("            location: " .. opt(info.location) .. ",")
+     print("            use_makefile: " .. tostring(info.use_makefile) .. ",")
+     print("            cxx_standard: " .. opt(info.cxx_standard))
+     print("        }),")
+end
+print("    ])")
+print("});")