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132 lines
4.3 KiB
C
132 lines
4.3 KiB
C
#include "ruby.h"
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#include "rubyspec.h"
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#include <string.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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VALUE proc_spec_rb_proc_new_function(RB_BLOCK_CALL_FUNC_ARGLIST(args, dummy)) {
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return rb_funcall(args, rb_intern("inspect"), 0);
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}
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VALUE proc_spec_rb_proc_new_function_arg(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
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return arg;
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}
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VALUE proc_spec_rb_proc_new_function_argc(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
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return INT2FIX(argc);
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}
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VALUE proc_spec_rb_proc_new_function_argv_n(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
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int n = FIX2INT(arg);
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if (n < argc) {
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return argv[n];
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} else {
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rb_exc_raise(rb_exc_new2(rb_eArgError, "Arg index out of bounds."));
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}
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}
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VALUE proc_spec_rb_proc_new_function_callback_arg(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
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return callback_arg;
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}
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VALUE proc_spec_rb_proc_new_function_blockarg(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
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return blockarg;
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}
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VALUE proc_spec_rb_proc_new_function_block_given_p(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
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return rb_block_given_p() ? Qtrue : Qfalse;
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}
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VALUE proc_spec_rb_proc_new(VALUE self) {
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return rb_proc_new(proc_spec_rb_proc_new_function, Qnil);
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}
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VALUE proc_spec_rb_proc_new_arg(VALUE self) {
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return rb_proc_new(proc_spec_rb_proc_new_function_arg, Qnil);
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}
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VALUE proc_spec_rb_proc_new_argc(VALUE self) {
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return rb_proc_new(proc_spec_rb_proc_new_function_argc, Qnil);
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}
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VALUE proc_spec_rb_proc_new_argv_n(VALUE self) {
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return rb_proc_new(proc_spec_rb_proc_new_function_argv_n, Qnil);
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}
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VALUE proc_spec_rb_proc_new_callback_arg(VALUE self, VALUE arg) {
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return rb_proc_new(proc_spec_rb_proc_new_function_callback_arg, arg);
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}
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VALUE proc_spec_rb_proc_new_blockarg(VALUE self) {
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return rb_proc_new(proc_spec_rb_proc_new_function_blockarg, Qnil);
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}
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VALUE proc_spec_rb_proc_new_block_given_p(VALUE self) {
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return rb_proc_new(proc_spec_rb_proc_new_function_block_given_p, Qnil);
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}
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VALUE proc_spec_rb_proc_arity(VALUE self, VALUE prc) {
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return INT2FIX(rb_proc_arity(prc));
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}
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VALUE proc_spec_rb_proc_call(VALUE self, VALUE prc, VALUE args) {
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return rb_proc_call(prc, args);
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}
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VALUE proc_spec_rb_obj_is_proc(VALUE self, VALUE prc) {
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return rb_obj_is_proc(prc);
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}
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/* This helper is not strictly necessary but reflects the code in wxRuby that
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* originally exposed issues with this Proc.new behavior.
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*/
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VALUE proc_spec_rb_Proc_new_helper(void) {
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return rb_funcall(rb_cProc, rb_intern("new"), 0);
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}
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VALUE proc_spec_rb_Proc_new(VALUE self, VALUE scenario) {
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switch(FIX2INT(scenario)) {
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case 0:
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return proc_spec_rb_Proc_new_helper();
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case 1:
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rb_funcall(self, rb_intern("call_nothing"), 0);
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return proc_spec_rb_Proc_new_helper();
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case 2:
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return rb_funcall(self, rb_intern("call_Proc_new"), 0);
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case 3:
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return rb_funcall(self, rb_intern("call_rb_Proc_new"), 0);
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case 4:
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return rb_funcall(self, rb_intern("call_rb_Proc_new_with_block"), 0);
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case 5:
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rb_funcall(self, rb_intern("call_rb_Proc_new_with_block"), 0);
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return proc_spec_rb_Proc_new_helper();
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case 6:
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return rb_funcall(self, rb_intern("call_block_given?"), 0);
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default:
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rb_raise(rb_eException, "invalid scenario");
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}
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return Qnil;
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}
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void Init_proc_spec(void) {
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VALUE cls = rb_define_class("CApiProcSpecs", rb_cObject);
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rb_define_method(cls, "rb_proc_new", proc_spec_rb_proc_new, 0);
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rb_define_method(cls, "rb_proc_new_arg", proc_spec_rb_proc_new_arg, 0);
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rb_define_method(cls, "rb_proc_new_argc", proc_spec_rb_proc_new_argc, 0);
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rb_define_method(cls, "rb_proc_new_argv_n", proc_spec_rb_proc_new_argv_n, 0);
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rb_define_method(cls, "rb_proc_new_callback_arg", proc_spec_rb_proc_new_callback_arg, 1);
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rb_define_method(cls, "rb_proc_new_blockarg", proc_spec_rb_proc_new_blockarg, 0);
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rb_define_method(cls, "rb_proc_new_block_given_p", proc_spec_rb_proc_new_block_given_p, 0);
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rb_define_method(cls, "rb_proc_arity", proc_spec_rb_proc_arity, 1);
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rb_define_method(cls, "rb_proc_call", proc_spec_rb_proc_call, 2);
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rb_define_method(cls, "rb_Proc_new", proc_spec_rb_Proc_new, 1);
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rb_define_method(cls, "rb_obj_is_proc", proc_spec_rb_obj_is_proc, 1);
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}
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#ifdef __cplusplus
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}
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#endif
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