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author | michelou <michelou@epfl.ch> | 2005-11-28 09:55:19 +0000 |
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committer | michelou <michelou@epfl.ch> | 2005-11-28 09:55:19 +0000 |
commit | bcf48fb54ea1cf3b98044ce604769ef0f5972645 (patch) | |
tree | af59487ed65b176a7f84c0e22c05c57140c00db5 /sources/scalac | |
parent | 6f3451e92f6f40873d52ae2fab4e97ea8899bdf6 (diff) | |
download | scala-bcf48fb54ea1cf3b98044ce604769ef0f5972645.tar.gz scala-bcf48fb54ea1cf3b98044ce604769ef0f5972645.tar.bz2 scala-bcf48fb54ea1cf3b98044ce604769ef0f5972645.zip |
- removed leading tabs
Diffstat (limited to 'sources/scalac')
-rw-r--r-- | sources/scalac/symtab/SymSet.java | 122 |
1 files changed, 62 insertions, 60 deletions
diff --git a/sources/scalac/symtab/SymSet.java b/sources/scalac/symtab/SymSet.java index d6545eacbf..0f91985386 100644 --- a/sources/scalac/symtab/SymSet.java +++ b/sources/scalac/symtab/SymSet.java @@ -1,6 +1,6 @@ /* ____ ____ ____ ____ ______ *\ ** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala ** -** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL ** +** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002-2005, LAMP/EPFL ** ** /_____/\____/\___/\____/____/ ** \* */ @@ -17,94 +17,96 @@ public class SymSet { public SymSet() {} private SymSet(Symbol sym, SymSet l, SymSet r) { - this.sym = sym; this.l = l; this.r = r; + this.sym = sym; this.l = l; this.r = r; } /** Union of this set and `{sym}'. */ public SymSet incl(Symbol sym) { - if (this == EMPTY) { - return new SymSet(sym, EMPTY, EMPTY); - } else if (sym == this.sym) { - return this; - } else if (less(sym, this.sym)) { - return new SymSet(this.sym, l.incl(sym), r); - } else { - assert less(this.sym, sym); - return new SymSet(this.sym, l, r.incl(sym)); - } + if (this == EMPTY) { + return new SymSet(sym, EMPTY, EMPTY); + } else if (sym == this.sym) { + return this; + } else if (less(sym, this.sym)) { + return new SymSet(this.sym, l.incl(sym), r); + } else { + assert less(this.sym, sym); + return new SymSet(this.sym, l, r.incl(sym)); + } } + /** Remove the element <code>sym</code> from the symbol set + */ public SymSet excl(Symbol sym) { - if (sym == this.sym) { - if (l == EMPTY) return r; - if (r == EMPTY) return l; - SymSet m = r; - if (m.l != EMPTY) { - SymSet p; - do { - p = m; - m = m.l; - } while (m.l != EMPTY); - p.l = m.r; - m.r = r; - } - m.l = l; - return m; - } else if (less(sym, this.sym)) { - return new SymSet(this.sym, l.excl(sym), r); - } else { - assert less(this.sym, sym); - return new SymSet(this.sym, l, r.excl(sym)); - } + if (sym == this.sym) { + if (l == EMPTY) return r; + if (r == EMPTY) return l; + SymSet m = r; + if (m.l != EMPTY) { + SymSet p; + do { + p = m; + m = m.l; + } while (m.l != EMPTY); + p.l = m.r; + m.r = r; + } + m.l = l; + return m; + } else if (less(sym, this.sym)) { + return new SymSet(this.sym, l.excl(sym), r); + } else { + assert less(this.sym, sym); + return new SymSet(this.sym, l, r.excl(sym)); + } } /** Is `sym' an element of this set? */ public boolean contains(Symbol sym) { - if (this == EMPTY) { - return false; - } else if (sym == this.sym) { - return true; - } else if (less(sym, this.sym)) { - return l.contains(sym); - } else { - assert less(this.sym, sym); - return r.contains(sym); - } + if (this == EMPTY) { + return false; + } else if (sym == this.sym) { + return true; + } else if (less(sym, this.sym)) { + return l.contains(sym); + } else { + assert less(this.sym, sym); + return r.contains(sym); + } } /** The number of elements in ths set. */ public int size() { - if (this == EMPTY) { - return 0; - } else { - return 1 + l.size() + r.size(); - } + if (this == EMPTY) { + return 0; + } else { + return 1 + l.size() + r.size(); + } } /** Copy elements of this set into `ss', starting at index `from'. * Return index one past last element copied. */ public int copyToArray(Symbol[] ss, int from) { - if (this == EMPTY) { - return from; - } else { - from = l.copyToArray(ss, from); - ss[from] = sym; - return r.copyToArray(ss, from + 1); - } + if (this == EMPTY) { + return from; + } else { + from = l.copyToArray(ss, from); + ss[from] = sym; + return r.copyToArray(ss, from + 1); + } } /** Return all elements of this set as an array. */ public Symbol[] toArray() { - int s = size(); - if (s == 0) return Symbol.EMPTY_ARRAY; - Symbol[] ss = new Symbol[s]; - copyToArray(ss, 0); - return ss; + int s = size(); + if (s == 0) return Symbol.EMPTY_ARRAY; + Symbol[] ss = new Symbol[s]; + copyToArray(ss, 0); + return ss; } /** The empty set. |