81 lines
1.6 KiB
JavaScript
81 lines
1.6 KiB
JavaScript
|
import {
|
||
|
|
WhiteSpace,
|
||
|
|
Comment,
|
||
|
|
Ident,
|
||
|
|
Function,
|
||
|
|
Colon,
|
||
|
|
LeftParenthesis
|
||
|
|
} from '../../tokenizer/index.js';
|
||
|
|
|
||
|
|
function consumeRaw() {
|
||
|
|
return this.createSingleNodeList(
|
||
|
|
this.Raw(this.tokenIndex, null, false)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parentheses() {
|
||
|
|
this.skipSC();
|
||
|
|
|
||
|
|
if (this.tokenType === Ident &&
|
||
|
|
this.lookupNonWSType(1) === Colon) {
|
||
|
|
return this.createSingleNodeList(
|
||
|
|
this.Declaration()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return readSequence.call(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
function readSequence() {
|
||
|
|
const children = this.createList();
|
||
|
|
let child;
|
||
|
|
|
||
|
|
this.skipSC();
|
||
|
|
|
||
|
|
scan:
|
||
|
|
while (!this.eof) {
|
||
|
|
switch (this.tokenType) {
|
||
|
|
case Comment:
|
||
|
|
case WhiteSpace:
|
||
|
|
this.next();
|
||
|
|
continue;
|
||
|
|
|
||
|
|
case Function:
|
||
|
|
child = this.Function(consumeRaw, this.scope.AtrulePrelude);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case Ident:
|
||
|
|
child = this.Identifier();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case LeftParenthesis:
|
||
|
|
child = this.Parentheses(parentheses, this.scope.AtrulePrelude);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break scan;
|
||
|
|
}
|
||
|
|
|
||
|
|
children.push(child);
|
||
|
|
}
|
||
|
|
|
||
|
|
return children;
|
||
|
|
}
|
||
|
|
|
||
|
|
export default {
|
||
|
|
parse: {
|
||
|
|
prelude() {
|
||
|
|
const children = readSequence.call(this);
|
||
|
|
|
||
|
|
if (this.getFirstListNode(children) === null) {
|
||
|
|
this.error('Condition is expected');
|
||
|
|
}
|
||
|
|
|
||
|
|
return children;
|
||
|
|
},
|
||
|
|
block(isStyleBlock = false) {
|
||
|
|
return this.Block(isStyleBlock);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|