1 files changed, 39 insertions, 0 deletions
diff --git a/Include/internal/pycore_compile.h b/Include/internal/pycore_compile.h
index 6a1e02c..f85240c 100644
--- a/Include/internal/pycore_compile.h
+++ b/Include/internal/pycore_compile.h
@@ -33,6 +33,45 @@ extern int _PyAST_Optimize(
     struct _arena *arena,
     _PyASTOptimizeState *state);
 
+
+typedef struct {
+    int i_opcode;
+    int i_oparg;
+    _PyCompilerSrcLocation i_loc;
+} _PyCompilerInstruction;
+
+typedef struct {
+    _PyCompilerInstruction *s_instrs;
+    int s_allocated;
+    int s_used;
+
+    int *s_labelmap;       /* label id --> instr offset */
+    int s_labelmap_size;
+    int s_next_free_label; /* next free label id */
+} _PyCompile_InstructionSequence;
+
+typedef struct {
+    PyObject *u_name;
+    PyObject *u_qualname;  /* dot-separated qualified name (lazy) */
+
+    /* The following fields are dicts that map objects to
+       the index of them in co_XXX.      The index is used as
+       the argument for opcodes that refer to those collections.
+    */
+    PyObject *u_consts;    /* all constants */
+    PyObject *u_names;     /* all names */
+    PyObject *u_varnames;  /* local variables */
+    PyObject *u_cellvars;  /* cell variables */
+    PyObject *u_freevars;  /* free variables */
+
+    Py_ssize_t u_argcount;        /* number of arguments for block */
+    Py_ssize_t u_posonlyargcount;        /* number of positional only arguments for block */
+    Py_ssize_t u_kwonlyargcount; /* number of keyword only arguments for block */
+
+    int u_firstlineno; /* the first lineno of the block */
+} _PyCompile_CodeUnitMetadata;
+
+
 /* Utility for a number of growing arrays used in the compiler */
 int _PyCompile_EnsureArrayLargeEnough(
         int idx,