55 lines
1.1 KiB
JavaScript
55 lines
1.1 KiB
JavaScript
'use strict';
|
|
|
|
const index = require('../tokenizer/index.cjs');
|
|
|
|
const astToTokens = {
|
|
decorator(handlers) {
|
|
const tokens = [];
|
|
let curNode = null;
|
|
|
|
return {
|
|
...handlers,
|
|
node(node) {
|
|
const tmp = curNode;
|
|
curNode = node;
|
|
handlers.node.call(this, node);
|
|
curNode = tmp;
|
|
},
|
|
emit(value, type, auto) {
|
|
tokens.push({
|
|
type,
|
|
value,
|
|
node: auto ? null : curNode
|
|
});
|
|
},
|
|
result() {
|
|
return tokens;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
function stringToTokens(str) {
|
|
const tokens = [];
|
|
|
|
index.tokenize(str, (type, start, end) =>
|
|
tokens.push({
|
|
type,
|
|
value: str.slice(start, end),
|
|
node: null
|
|
})
|
|
);
|
|
|
|
return tokens;
|
|
}
|
|
|
|
function prepareTokens(value, syntax) {
|
|
if (typeof value === 'string') {
|
|
return stringToTokens(value);
|
|
}
|
|
|
|
return syntax.generate(value, astToTokens);
|
|
}
|
|
|
|
module.exports = prepareTokens;
|