Make CTF metadata parser reentrant

[babeltrace.git] / formats / ctf / metadata / ctf-scanner.h

diff --git a/formats/ctf/metadata/ctf-scanner.h b/formats/ctf/metadata/ctf-scanner.h
new file mode 100644 (file)
index 0000000..07b5df7
--- /dev/null
+++ b/formats/ctf/metadata/ctf-scanner.h
@@ -0,0 +1,32 @@
+#ifndef _CTF_SCANNER_H
+#define _CTF_SCANNER_H
+
+#include <stdio.h>
+#include "ctf-ast.h"
+
+#ifndef YY_TYPEDEF_YY_SCANNER_T
+#define YY_TYPEDEF_YY_SCANNER_T
+typedef void* yyscan_t;
+#endif
+
+struct ctf_scanner {
+       yyscan_t scanner;
+       struct ctf_ast *ast;
+       struct scope root_scope;
+       struct scope *cs;
+       struct cds_list_head allocated_strings;
+};
+
+struct ctf_scanner *ctf_scanner_alloc(FILE *input);
+void ctf_scanner_free(struct ctf_scanner *scanner);
+int ctf_scanner_append_ast(struct ctf_scanner *scanner);
+
+static inline
+struct ctf_ast *ctf_scanner_get_ast(struct ctf_scanner *scanner)
+{
+       return scanner->ast;
+}
+
+int is_type(struct ctf_scanner *scanner, const char *id);
+
+#endif /* _CTF_SCANNER_H */