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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.
42 lines
1.0 KiB
JavaScript
42 lines
1.0 KiB
JavaScript
if (typeof module !== 'undefined') {
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var types = require('./types');
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var readline = require('./node_readline');
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var reader = require('./reader');
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var printer = require('./printer');
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}
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// read
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function READ(str) {
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return reader.read_str(str);
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}
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// eval
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function EVAL(ast, env) {
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return ast;
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}
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// print
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function PRINT(exp) {
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return printer._pr_str(exp, true);
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}
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// repl
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var re = function(str) { return EVAL(READ(str), {}); };
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var rep = function(str) { return PRINT(EVAL(READ(str), {})); };
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// repl loop
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if (typeof require !== 'undefined' && require.main === module) {
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// Synchronous node.js commandline mode
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while (true) {
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var line = readline.readline("user> ");
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if (line === null) { break; }
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try {
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if (line) { printer.println(rep(line)); }
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} catch (exc) {
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if (exc instanceof reader.BlankException) { continue }
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if (exc instanceof Error) { console.warn(exc.stack) }
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else { console.warn("Error: " + printer._pr_str(exc, true)) }
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}
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}
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}
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