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Étienne Reuh Fildadut
56ed6c912b
The previous system needed to store of the scope and full AST to build a Resumable object, which means that if persisted, updating the resumable script will have no effect. The new system instead uses an anchor token and does not require any information besides the anchor name.
44 lines
842 B
Lua
44 lines
842 B
Lua
--- try to parse a primary expression
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local function r(name)
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return require("parser.expression.primary."..name), nil
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end
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local primaries = {
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r("number"),
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r("string"),
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r("text"),
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r("parenthesis"),
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r("function_definition"),
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r("symbol"),
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r("identifier"),
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r("anchor"),
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r("block_identifier"),
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r("tuple"),
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r("struct"),
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-- prefixes
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-- 1
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r("prefix.semicolon"),
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r("prefix.function"),
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-- 2
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r("prefix.return"),
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-- 3.5
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r("prefix.else"),
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-- 11
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r("prefix.negation"),
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r("prefix.not"),
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r("prefix.mutable"),
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r("prefix.translatable"),
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}
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return {
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-- returns exp, rem if expression found
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-- returns nil if no expression found
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search = function(self, source, str, limit_pattern)
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for _, primary in ipairs(primaries) do
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local exp, rem = primary:search(source, str, limit_pattern)
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if exp then return exp, rem end
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end
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end
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}
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