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Reorganizing the code

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-20 22:03:58 -07:00
parent 2b8fb6c718
commit 492484c5aa
125 changed files with 632 additions and 390 deletions
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74
src/ast/num_occurs.cpp Normal file
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
num_occurs.cpp
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2008-01-27.
Revision History:
--*/
#include"num_occurs.h"
void num_occurs::process(expr * t, expr_fast_mark1 & visited) {
ptr_buffer<expr, 128> stack;
#define VISIT(ARG) { \
if (!m_ignore_ref_count1 || ARG->get_ref_count() > 1) { \
obj_map<expr, unsigned>::obj_map_entry * entry = m_num_occurs.insert_if_not_there2(ARG, 0); \
entry->get_data().m_value++; \
} \
if (!visited.is_marked(ARG)) { \
visited.mark(ARG, true); \
stack.push_back(ARG); \
} \
}
VISIT(t);
while (!stack.empty()) {
expr * t = stack.back();
stack.pop_back();
unsigned j;
switch (t->get_kind()) {
case AST_APP:
j = to_app(t)->get_num_args();
while (j > 0) {
--j;
expr * arg = to_app(t)->get_arg(j);
VISIT(arg);
}
break;
case AST_QUANTIFIER:
if (!m_ignore_quantifiers) {
expr * child = to_quantifier(t)->get_expr();
VISIT(child);
}
break;
default:
break;
}
}
}
void num_occurs::operator()(expr * t) {
expr_fast_mark1 visited;
process(t, visited);
}
void num_occurs::operator()(unsigned num, expr * const * ts) {
expr_fast_mark1 visited;
for (unsigned i = 0; i < num; i++) {
process(ts[i], visited);
}
}