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Moved patmatch() to yosys.cc

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This commit is contained in:
Clifford Wolf 2014-10-10 18:19:00 +02:00
parent 774933a0d8
commit ee5165c6e4
6 changed files with 65 additions and 95 deletions
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91
kernel/patmatch.h
View file

@ -1,91 +0,0 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef PATMATCH_H
#define PATMATCH_H
#include "kernel/yosys.h"
YOSYS_NAMESPACE_BEGIN
// this is very similar to fnmatch(). the exact rules used by this
// function are:
//
// ? matches any character except
// * matches any sequence of characters
// [...] matches any of the characters in the list
// [!..] matches any of the characters not in the list
//
// a backslash may be used to escape the next characters in the
// pattern. each special character can also simply match itself.
//
static bool patmatch(const char *pattern, const char *string)
{
if (*pattern == 0)
return *string == 0;
if (*pattern == '\\') {
if (pattern[1] == string[0] && patmatch(pattern+2, string+1))
return true;
}
if (*pattern == '?') {
if (*string == 0)
return false;
return patmatch(pattern+1, string+1);
}
if (*pattern == '*') {
while (*string) {
if (patmatch(pattern+1, string++))
return true;
}
return pattern[1] == 0;
}
if (*pattern == '[') {
bool found_match = false;
bool inverted_list = pattern[1] == '!';
const char *p = pattern + (inverted_list ? 1 : 0);
while (*++p) {
if (*p == ']') {
if (found_match != inverted_list && patmatch(p+1, string+1))
return true;
break;
}
if (*p == '\\') {
if (*++p == *string)
found_match = true;
} else
if (*p == *string)
found_match = true;
}
}
if (*pattern == *string)
return patmatch(pattern+1, string+1);
return false;
}
YOSYS_NAMESPACE_END
#endif

62
kernel/yosys.cc
View file

@ -66,6 +66,68 @@ std::string vstringf(const char *fmt, va_list ap)
return string;
}
// this is very similar to fnmatch(). the exact rules used by this
// function are:
//
// ? matches any character except
// * matches any sequence of characters
// [...] matches any of the characters in the list
// [!..] matches any of the characters not in the list
//
// a backslash may be used to escape the next characters in the
// pattern. each special character can also simply match itself.
//
static bool patmatch(const char *pattern, const char *string)
{
if (*pattern == 0)
return *string == 0;
if (*pattern == '\\') {
if (pattern[1] == string[0] && patmatch(pattern+2, string+1))
return true;
}
if (*pattern == '?') {
if (*string == 0)
return false;
return patmatch(pattern+1, string+1);
}
if (*pattern == '*') {
while (*string) {
if (patmatch(pattern+1, string++))
return true;
}
return pattern[1] == 0;
}
if (*pattern == '[') {
bool found_match = false;
bool inverted_list = pattern[1] == '!';
const char *p = pattern + (inverted_list ? 1 : 0);
while (*++p) {
if (*p == ']') {
if (found_match != inverted_list && patmatch(p+1, string+1))
return true;
break;
}
if (*p == '\\') {
if (*++p == *string)
found_match = true;
} else
if (*p == *string)
found_match = true;
}
}
if (*pattern == *string)
return patmatch(pattern+1, string+1);
return false;
}
int GetSize(RTLIL::Wire *wire)
{
return wire->width;

3
kernel/yosys.h
View file

@ -84,6 +84,9 @@ namespace RTLIL {
std::string stringf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
std::string vstringf(const char *fmt, va_list ap);
bool patmatch(const char *pattern, const char *string);
template<typename T> int GetSize(const T &obj) { return obj.size(); }
int GetSize(RTLIL::Wire *wire);