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46 lines
1.5 KiB
46 lines
1.5 KiB
/* Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 */
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/* For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt */
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#ifndef _COVERAGE_DATASTACK_H
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#define _COVERAGE_DATASTACK_H
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#include "util.h"
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#include "stats.h"
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/* An entry on the data stack. For each call frame, we need to record all
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* the information needed for CTracer_handle_line to operate as quickly as
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* possible.
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*/
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typedef struct DataStackEntry {
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/* The current file_data dictionary. Owned. */
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PyObject * file_data;
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/* The disposition object for this frame. A borrowed instance of CFileDisposition. */
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PyObject * disposition;
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/* The FileTracer handling this frame, or None if it's Python. Borrowed. */
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PyObject * file_tracer;
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/* The line number of the last line recorded, for tracing arcs.
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-1 means there was no previous line, as when entering a code object.
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*/
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int last_line;
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BOOL started_context;
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} DataStackEntry;
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/* A data stack is a dynamically allocated vector of DataStackEntry's. */
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typedef struct DataStack {
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int depth; /* The index of the last-used entry in stack. */
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int alloc; /* number of entries allocated at stack. */
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/* The file data at each level, or NULL if not recording. */
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DataStackEntry * stack;
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} DataStack;
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int DataStack_init(Stats * pstats, DataStack *pdata_stack);
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void DataStack_dealloc(Stats * pstats, DataStack *pdata_stack);
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int DataStack_grow(Stats * pstats, DataStack *pdata_stack);
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#endif /* _COVERAGE_DATASTACK_H */
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