1 files changed, 274 insertions, 0 deletions
diff --git a/tests/gpgscm/scheme-private.h b/tests/gpgscm/scheme-private.h
new file mode 100644
index 0000000..7f92bda
--- /dev/null
+++ b/tests/gpgscm/scheme-private.h
@@ -0,0 +1,274 @@
+/* scheme-private.h */
+
+#ifndef _SCHEME_PRIVATE_H
+#define _SCHEME_PRIVATE_H
+
+#include <stdint.h>
+#include "scheme.h"
+/*------------------ Ugly internals -----------------------------------*/
+/*------------------ Of interest only to FFI users --------------------*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum scheme_port_kind {
+  port_free=0,
+  port_file=1,
+  port_string=2,
+  port_srfi6=4,
+  port_input=16,
+  port_output=32,
+  port_saw_EOF=64
+};
+
+typedef struct port {
+  unsigned char kind;
+  union {
+    struct {
+      FILE *file;
+      int closeit;
+    } stdio;
+    struct {
+      char *start;
+      char *past_the_end;
+      char *curr;
+    } string;
+  } rep;
+#if SHOW_ERROR_LINE
+  pointer curr_line;
+  pointer filename;
+#endif
+} port;
+
+/* cell structure */
+struct cell {
+  uintptr_t _flag;
+  union {
+    num _number;
+    struct {
+      char   *_svalue;
+      int   _length;
+    } _string;
+    port *_port;
+    foreign_func _ff;
+    struct {
+      struct cell *_car;
+      struct cell *_cdr;
+    } _cons;
+    struct {
+      size_t _length;
+      pointer _elements[0];
+    } _vector;
+    struct {
+         char *_data;
+         const foreign_object_vtable *_vtable;
+    } _foreign_object;
+  } _object;
+};
+
+#if USE_HISTORY
+/* The history is a two-dimensional ring buffer.  A donut-shaped data
+ * structure.  This data structure is inspired by MIT/GNU Scheme.  */
+struct history {
+  /* Number of calls to store.  Must be a power of two.  */
+  size_t N;
+
+  /* Number of tail-calls to store in each call frame.  Must be a
+   * power of two.  */
+  size_t M;
+
+  /* Masks for fast index calculations.  */
+  size_t mask_N;
+  size_t mask_M;
+
+  /* A vector of size N containing calls.  */
+  pointer callstack;
+
+  /* A vector of size N containing vectors of size M containing tail
+   * calls.  */
+  pointer tailstacks;
+
+  /* Our current position.  */
+  size_t n;
+  size_t *m;
+};
+#endif
+
+struct scheme {
+/* arrays for segments */
+func_alloc malloc;
+func_dealloc free;
+
+/* return code */
+int retcode;
+int tracing;
+
+
+#ifndef CELL_SEGSIZE
+#define CELL_SEGSIZE    5000  /* # of cells in one segment */
+#endif
+
+/* If less than # of cells are recovered in a garbage collector run,
+ * allocate a new cell segment to avoid fruitless collection cycles in
+ * the near future.  */
+#ifndef CELL_MINRECOVER
+#define CELL_MINRECOVER    (CELL_SEGSIZE >> 2)
+#endif
+struct cell_segment *cell_segments;
+
+/* We use 4 registers. */
+pointer args;            /* register for arguments of function */
+pointer envir;           /* stack register for current environment */
+pointer code;            /* register for current code */
+pointer dump;            /* stack register for next evaluation */
+pointer frame_freelist;
+
+#if USE_HISTORY
+struct history history;  /* we keep track of the call history for
+                          * error messages */
+#endif
+
+int interactive_repl;    /* are we in an interactive REPL? */
+
+struct cell _sink;
+pointer sink;            /* when mem. alloc. fails */
+struct cell _NIL;
+pointer NIL;             /* special cell representing empty cell */
+struct cell _HASHT;
+pointer T;               /* special cell representing #t */
+struct cell _HASHF;
+pointer F;               /* special cell representing #f */
+struct cell _EOF_OBJ;
+pointer EOF_OBJ;         /* special cell representing end-of-file object */
+pointer oblist;          /* pointer to symbol table */
+pointer global_env;      /* pointer to global environment */
+pointer c_nest;          /* stack for nested calls from C */
+
+/* global pointers to special symbols */
+pointer LAMBDA;               /* pointer to syntax lambda */
+pointer QUOTE;           /* pointer to syntax quote */
+
+pointer QQUOTE;               /* pointer to symbol quasiquote */
+pointer UNQUOTE;         /* pointer to symbol unquote */
+pointer UNQUOTESP;       /* pointer to symbol unquote-splicing */
+pointer FEED_TO;         /* => */
+pointer COLON_HOOK;      /* *colon-hook* */
+pointer ERROR_HOOK;      /* *error-hook* */
+pointer SHARP_HOOK;  /* *sharp-hook* */
+#if USE_COMPILE_HOOK
+pointer COMPILE_HOOK;  /* *compile-hook* */
+#endif
+
+pointer free_cell;       /* pointer to top of free cells */
+long    fcells;          /* # of free cells */
+size_t  inhibit_gc;      /* nesting of gc_disable */
+size_t  reserved_cells;  /* # of reserved cells */
+#ifndef NDEBUG
+int     reserved_lineno;   /* location of last reservation */
+#endif
+
+pointer inport;
+pointer outport;
+pointer save_inport;
+pointer loadport;
+
+#ifndef MAXFIL
+#define MAXFIL 64
+#endif
+port load_stack[MAXFIL];     /* Stack of open files for port -1 (LOADing) */
+int nesting_stack[MAXFIL];
+int file_i;
+int nesting;
+
+char    gc_verbose;      /* if gc_verbose is not zero, print gc status */
+char    no_memory;       /* Whether mem. alloc. has failed */
+
+#ifndef LINESIZE
+#define LINESIZE 1024
+#endif
+char    linebuff[LINESIZE];
+#ifndef STRBUFFSIZE
+#define STRBUFFSIZE 256
+#endif
+char    *strbuff;
+size_t strbuff_size;
+FILE *tmpfp;
+int tok;
+int print_flag;
+pointer value;
+unsigned int flags;
+
+void *ext_data;     /* For the benefit of foreign functions */
+long gensym_cnt;
+
+const struct scheme_interface *vptr;
+};
+
+/* operator code */
+enum scheme_opcodes {
+#define _OP_DEF(A,B,C,D,OP) OP,
+#include "opdefines.h"
+  OP_MAXDEFINED
+};
+
+
+#define cons(sc,a,b) _cons(sc,a,b,0)
+#define immutable_cons(sc,a,b) _cons(sc,a,b,1)
+
+int is_string(pointer p);
+char *string_value(pointer p);
+int is_number(pointer p);
+num nvalue(pointer p);
+long ivalue(pointer p);
+double rvalue(pointer p);
+int is_integer(pointer p);
+int is_real(pointer p);
+int is_character(pointer p);
+long charvalue(pointer p);
+int is_vector(pointer p);
+
+int is_port(pointer p);
+
+int is_pair(pointer p);
+pointer pair_car(pointer p);
+pointer pair_cdr(pointer p);
+pointer set_car(pointer p, pointer q);
+pointer set_cdr(pointer p, pointer q);
+
+int is_symbol(pointer p);
+char *symname(pointer p);
+int hasprop(pointer p);
+
+int is_syntax(pointer p);
+int is_proc(pointer p);
+int is_foreign(pointer p);
+char *syntaxname(pointer p);
+int is_closure(pointer p);
+#ifdef USE_MACRO
+int is_macro(pointer p);
+#endif
+pointer closure_code(pointer p);
+pointer closure_env(pointer p);
+
+int is_continuation(pointer p);
+int is_promise(pointer p);
+int is_environment(pointer p);
+int is_immutable(pointer p);
+void setimmutable(pointer p);
+
+int is_foreign_object(pointer p);
+const foreign_object_vtable *get_foreign_object_vtable(pointer p);
+void *get_foreign_object_data(pointer p);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/*
+Local variables:
+c-file-style: "k&r"
+End:
+*/