mirror of https://github.com/YosysHQ/yosys.git
39 lines
999 B
Diff
39 lines
999 B
Diff
--- ParseUtils.h
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+++ ParseUtils.h
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@@ -24,8 +24,6 @@ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWA
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#include <stdlib.h>
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#include <stdio.h>
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-#include <zlib.h>
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-
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#include "XAlloc.h"
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namespace Minisat {
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@@ -36,24 +34,16 @@ namespace Minisat {
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class StreamBuffer {
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- gzFile in;
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unsigned char* buf;
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int pos;
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int size;
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enum { buffer_size = 64*1024 };
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- void assureLookahead() {
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- if (pos >= size) {
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- pos = 0;
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- size = gzread(in, buf, buffer_size); } }
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+ virtual void assureLookahead() = 0;
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public:
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- explicit StreamBuffer(gzFile i) : in(i), pos(0), size(0){
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- buf = (unsigned char*)xrealloc(NULL, buffer_size);
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- assureLookahead();
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- }
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- ~StreamBuffer() { free(buf); }
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+ virtual ~StreamBuffer() { }
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int operator * () const { return (pos >= size) ? EOF : buf[pos]; }
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void operator ++ () { pos++; assureLookahead(); }
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