94 lines
3.5 KiB
Plaintext
94 lines
3.5 KiB
Plaintext
// This file holds a list of reserved symbols for the Rhai language.
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//
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// The mapped attributes are:
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// - is this a reserved symbol? (bool)
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// - can this keyword be called normally as a function? (bool)
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// - can this keyword be called in method-call style? (bool)
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//
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// Generate the output table via:
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// ```bash
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// gperf -t reserved.txt
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// ```
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//
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// Since GNU gperf does not produce Rust output, the ANSI-C output must be hand-edited and
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// manually spliced into `tokenizer.rs`.
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//
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// This includes:
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// * Rewrite the C hashing program (especially since it uses a `switch` statement with fall-through)
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// into equivalent Rust as the function `is_reserved_keyword_or_symbol`.
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// * Update the values for the `???_RESERVED_???` constants.
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// * Copy the `asso_values` array into `RESERVED_ASSOC_VALUES`.
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// * Copy the `wordlist` array into `RESERVED_LIST` with the following modifications:
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// - Remove the `#line` comments
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// - Change the entry wrapping `{ .. }` into tuples `( .. )`
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// - Replace all entries `("")` by `("", false, false, false)`
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// - Feature flags can be incorporated directly into the output via the `cfg!` macro
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//
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struct reserved;
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%%
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"?.", cfg!(feature = "no_object"), false, false
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"?[", cfg!(feature = "no_index"), false, false
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"fn", cfg!(feature = "no_function"), false, false
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"private", cfg!(feature = "no_function"), false, false
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"import", cfg!(feature = "no_module"), false, false
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"export", cfg!(feature = "no_module"), false, false
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"as", cfg!(feature = "no_module"), false, false
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"===", true, false, false
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"!==", true, false, false
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"->", true, false, false
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"<-", true, false, false
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"?", true, false, false
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":=", true, false, false
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":;", true, false, false
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"~", true, false, false
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"!.", true, false, false
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"::<", true, false, false
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"(*", true, false, false
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"*)", true, false, false
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"#", true, false, false
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"#!", true, false, false
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"@", true, false, false
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"$", true, false, false
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"++", true, false, false
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"--", true, false, false
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"...", true, false, false
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"<|", true, false, false
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"|>", true, false, false
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"public", true, false, false
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"protected", true, false, false
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"super", true, false, false
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"new", true, false, false
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"use", true, false, false
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"module", true, false, false
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"package", true, false, false
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"var", true, false, false
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"static", true, false, false
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"shared", true, false, false
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"with", true, false, false
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"is", true, false, false
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"goto", true, false, false
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"exit", true, false, false
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"match", true, false, false
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"case", true, false, false
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"default", true, false, false
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"void", true, false, false
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"null", true, false, false
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"nil", true, false, false
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"spawn", true, false, false
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"thread", true, false, false
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"go", true, false, false
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"sync", true, false, false
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"async", true, false, false
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"await", true, false, false
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"yield", true, false, false
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"print", true, true, false
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"debug", true, true, false
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"type_of", true, true, true
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"eval", true, true, false
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"Fn", true, true, false
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"call", true, true, true
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"curry", true, true, true
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"this", true, false, false
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"is_def_var", true, true, false
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"is_def_fn", cfg!(not(feature = "no_function")), true, false
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