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Language now supports top level definitions. no more last-expression-is-a-value thing, it's also a def. Host knows to run the special os def

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Dustin Swan 2026-02-06 17:33:00 -07:00
parent 9b8916eb72
commit 31ef279f16
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GPG key ID: 30D46587E2100467
4 changed files with 36 additions and 8 deletions
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14
src/main.ts
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@ -25,14 +25,20 @@ const cgCode = stdlibCode + '\n' +
try {
const tokens = tokenize(cgCode);
const parser = new Parser(tokens, cgCode);
const ast = parser.parse();
const definitions = parser.parse();
// console.log(ast);
const env: Env = new Map(Object.entries(builtins));
const appRecord = evaluate(ast, env, cgCode);
// console.log("appRecord", appRecord);
if (appRecord.kind !== 'record')
for (const def of definitions) {
const value = evaluate(def.body, env, cgCode);
env.set(def.name, value);
}
const appRecord = env.get('os');
console.log("appRecord", appRecord);
if (!appRecord || appRecord.kind !== 'record')
throw new Error('Expected record');
const init = appRecord.fields.init;