mirror of
https://github.com/kanaka/mal.git
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8a19f60386
- Reorder README to have implementation list after "learning tool" bullet. - This also moves tests/ and libs/ into impls. It would be preferrable to have these directories at the top level. However, this causes difficulties with the wasm implementations which need pre-open directories and have trouble with paths starting with "../../". So in lieu of that, symlink those directories to the top-level. - Move the run_argv_test.sh script into the tests directory for general hygiene.
64 lines
1.8 KiB
Awk
64 lines
1.8 KiB
Awk
function printer_pr_list(expr, print_readably, idx, len, i, str)
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{
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idx = substr(expr, 2)
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len = types_heap[idx]["len"]
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for (i = 0; i < len; ++i) {
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str = str printer_pr_str(types_heap[idx][i], print_readably) " "
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}
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return substr(str, 1, length(str) - 1)
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}
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function printer_pr_hash(expr, print_readably, idx, var, str)
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{
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idx = substr(expr, 2)
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for (var in types_heap[idx]) {
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switch (var) {
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case /^"/:
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str = str printer_pr_string(var, print_readably) " " printer_pr_str(types_heap[idx][var], print_readably) " "
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break
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case /^:/:
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str = str substr(var, 2) " " printer_pr_str(types_heap[idx][var], print_readably) " "
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break
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}
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}
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return substr(str, 1, length(str) - 1)
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}
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function printer_pr_string(expr, print_readably, v, r)
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{
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if (!print_readably) {
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return substr(expr, 2)
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}
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expr = substr(expr, 2)
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while (match(expr, /["\n\\]/, r)) {
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v = v substr(expr, 1, RSTART - 1) (r[0] == "\n" ? "\\n" : "\\" r[0])
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expr = substr(expr, RSTART + RLENGTH)
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}
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return "\"" v expr "\""
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}
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function printer_pr_str(expr, print_readably, var)
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{
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switch (expr) {
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case /^\(/:
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return "(" printer_pr_list(expr, print_readably) ")"
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case /^\[/:
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return "[" printer_pr_list(expr, print_readably) "]"
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case /^\{/:
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return "{" printer_pr_hash(expr, print_readably) "}"
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case /^"/:
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return printer_pr_string(expr, print_readably)
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case /^\$/:
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var = substr(expr, 2)
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return "#<Function> (fn* " printer_pr_str(types_heap[var]["params"], print_readably) " " printer_pr_str(types_heap[var]["body"], print_readably) ")"
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case /^&/:
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return "#<BuiltinFunction " env_builtinnames[substr(expr, 2)] ">"
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case /^%/:
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return "#<BuiltinFunction " env_builtinnames[types_heap[substr(expr, 2)]["func"]] ">"
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case /^\?/:
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return "(atom " printer_pr_str(types_heap[substr(expr, 2)]["obj"], print_readably) ")"
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default:
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return substr(expr, 2)
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}
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}
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