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py: Towards default keyword arguments.

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These are default arguments after a bare *.
This commit is contained in:
Damien George
2014-03-31 15:18:37 +01:00
parent 1aa2c10263
commit e337f1ef5e
5 changed files with 61 additions and 23 deletions
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27
py/emitbc.c
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@@ -732,23 +732,38 @@ STATIC void emit_bc_unpack_ex(emit_t *emit, int n_left, int n_right) {
}
STATIC void emit_bc_make_function(emit_t *emit, scope_t *scope, uint n_pos_defaults, uint n_kw_defaults) {
assert(n_kw_defaults == 0);
if (n_pos_defaults == 0) {
if (n_pos_defaults == 0 && n_kw_defaults == 0) {
emit_bc_pre(emit, 1);
emit_write_byte_code_byte_uint(emit, MP_BC_MAKE_FUNCTION, scope->unique_code_id);
} else {
emit_bc_pre(emit, 0);
if (n_pos_defaults == 0) {
// load dummy entry for non-existent positional default tuple
emit_bc_load_null(emit);
} else if (n_kw_defaults == 0) {
// load dummy entry for non-existent keyword default dict
emit_bc_load_null(emit);
emit_bc_rot_two(emit);
}
emit_bc_pre(emit, -1);
emit_write_byte_code_byte_uint(emit, MP_BC_MAKE_FUNCTION_DEFARGS, scope->unique_code_id);
}
}
STATIC void emit_bc_make_closure(emit_t *emit, scope_t *scope, uint n_pos_defaults, uint n_kw_defaults) {
assert(n_kw_defaults == 0);
if (n_pos_defaults == 0) {
if (n_pos_defaults == 0 && n_kw_defaults == 0) {
emit_bc_pre(emit, 0);
emit_write_byte_code_byte_uint(emit, MP_BC_MAKE_CLOSURE, scope->unique_code_id);
} else {
emit_bc_pre(emit, -1);
if (n_pos_defaults == 0) {
// load dummy entry for non-existent positional default tuple
emit_bc_load_null(emit);
emit_bc_rot_two(emit);
} else if (n_kw_defaults == 0) {
// load dummy entry for non-existent keyword default dict
emit_bc_load_null(emit);
emit_bc_rot_three(emit);
}
emit_bc_pre(emit, -2);
emit_write_byte_code_byte_uint(emit, MP_BC_MAKE_CLOSURE_DEFARGS, scope->unique_code_id);
}
}