lispParse - reverse of Lisp.toString() [1007715]

26
LINES

< > BotCompany Repo | #1007715 // lispParse - reverse of Lisp.toString()

JavaX fragment (include)

static Lisp lispParse(S s) {
  ret new lispParse_X(s).parse();
}

sclass lispParse_X {
  L<S> tok;
  int i;
  
  *(S s) {
    tok = javaTokC(s);
  }
  
  Lisp parse() {
    if (i >= l(tok)) null;
    S t = tok.get(i++);
    Lisp l = lisp(unquote(t));
    if (neq(get(tok, i), "(")) ret l;
    ++i;
    while (i < l(tok) && neq(get(tok, i), ")")) {
      l.add(parse());
      if (eq(get(tok, i), ",")) ++i;
    }
    if (eq(get(tok, i), ")")) ++i;
    ret l;
  }
}

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Snippet ID:	#1007715
Snippet name:	lispParse - reverse of Lisp.toString()
Eternal ID of this version:	#1007715/8
Text MD5:	d95a48447eecf113ea024a2745ecba4d
Author:	stefan
Category:	javax / a.i.
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2017-04-02 21:01:11
Source code size:	489 bytes / 26 lines
Pitched / IR pitched:	No / No
Views / Downloads:	527 / 510
Version history:	7 change(s)
Referenced in:	[show references]

1	static Lisp lispParse(S s) {
2	ret new lispParse_X(s).parse();
3	}
4
5	sclass lispParse_X {
6	L<S> tok;
7	int i;
8
9	*(S s) {
10	tok = javaTokC(s);
11	}
12
13	Lisp parse() {
14	if (i >= l(tok)) null;
15	S t = tok.get(i++);
16	Lisp l = lisp(unquote(t));
17	if (neq(get(tok, i), "(")) ret l;
18	++i;
19	while (i < l(tok) && neq(get(tok, i), ")")) {
20	l.add(parse());
21	if (eq(get(tok, i), ",")) ++i;
22	}
23	if (eq(get(tok, i), ")")) ++i;
24	ret l;
25	}
26	}