Commit | Line | Data |
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970ed795 | 1 | /////////////////////////////////////////////////////////////////////////////// |
3abe9331 | 2 | // Copyright (c) 2000-2015 Ericsson Telecom AB |
970ed795 EL |
3 | // All rights reserved. This program and the accompanying materials |
4 | // are made available under the terms of the Eclipse Public License v1.0 | |
5 | // which accompanies this distribution, and is available at | |
6 | // http://www.eclipse.org/legal/epl-v10.html | |
7 | /////////////////////////////////////////////////////////////////////////////// | |
8 | #include "Iterator.hh" | |
9 | #include "Grammar.hh" | |
10 | #include "Rule.hh" | |
11 | #include "Symbol.hh" | |
12 | ||
13 | // ================================= | |
14 | // ===== Iterator | |
15 | // ================================= | |
16 | ||
17 | void Iterator::visitGrammar(Grammar *p_grammar) | |
18 | { | |
19 | grammar=p_grammar; | |
20 | actionGrammar(); | |
21 | size_t n=grammar->get_nof_groupings(); | |
22 | for(size_t i=0; i<n; i++) | |
23 | visitGrouping(grammar->get_grouping_byIndex(i)); | |
24 | } | |
25 | ||
26 | void Iterator::visitGrouping(Grouping *p_grouping) | |
27 | { | |
28 | grouping=p_grouping; | |
29 | lhs=p_grouping->get_lhs(); | |
30 | actionGrouping(); | |
31 | size_t n=grouping->get_nof_rules(); | |
32 | for(size_t i=0; i<n; i++) | |
33 | visitRule(grouping->get_rule_byIndex(i)); | |
34 | } | |
35 | ||
36 | void Iterator::visitRule(Rule *p_rule) | |
37 | { | |
38 | rule=p_rule; | |
39 | actionRule(); | |
40 | size_t n=rule->get_nof_ss(); | |
41 | for(size_t i=0; i<n; i++) | |
42 | visitSymbol(rule->get_s_byIndex(i)); | |
43 | } | |
44 | ||
45 | void Iterator::visitSymbol(Symbol *p_symbol) | |
46 | { | |
47 | symbol=p_symbol; | |
48 | actionSymbol(); | |
49 | } | |
50 | ||
51 | // ================================= | |
52 | // ===== ItRefBuild | |
53 | // ================================= | |
54 | ||
55 | void ItRefBuild::actionSymbol() | |
56 | { | |
57 | if(symbol==lhs) | |
58 | symbol->set_is_recursive(); | |
59 | else { | |
60 | symbol->add_refd_by(lhs); | |
61 | lhs->add_refs(symbol); | |
62 | } | |
63 | } |