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/*
** apiprint.c
**
*/
#include <string.h>
#include "mrdb.h"
#include <mruby/value.h>
#include <mruby/class.h>
#include <mruby/compile.h>
#include <mruby/error.h>
#include <mruby/numeric.h>
#include <mruby/string.h>
#include <mruby/presym.h>
#include "apiprint.h"
static void
mrdb_check_syntax(mrb_state *mrb, mrb_debug_context *dbg, const char *expr, size_t len)
{
mrb_ccontext *c;
c = mrb_ccontext_new(mrb);
c->no_exec = TRUE;
c->capture_errors = TRUE;
mrb_ccontext_filename(mrb, c, (const char*)dbg->prvfile);
c->lineno = dbg->prvline;
/* Load program */
mrb_load_nstring_cxt(mrb, expr, len, c);
mrb_ccontext_free(mrb, c);
}
mrb_value
mrb_debug_eval(mrb_state *mrb, mrb_debug_context *dbg, const char *expr, size_t len, mrb_bool *exc, int direct_eval)
{
void (*tmp)(struct mrb_state*, const struct mrb_irep*, const mrb_code*, mrb_value*);
mrb_value ruby_code;
mrb_value s;
mrb_value v;
mrb_value recv;
/* disable code_fetch_hook */
tmp = mrb->code_fetch_hook;
mrb->code_fetch_hook = NULL;
mrdb_check_syntax(mrb, dbg, expr, len);
if (mrb->exc) {
v = mrb_obj_value(mrb->exc);
mrb->exc = 0;
}
else if (direct_eval) {
recv = dbg->regs[0];
v = mrb_funcall(mrb, recv, expr, 0);
}
else {
/*
* begin
* expr
* rescue => e
* e
* end
*/
ruby_code = mrb_str_new_lit(mrb, "begin\n");
ruby_code = mrb_str_cat(mrb, ruby_code, expr, len);
ruby_code = mrb_str_cat_lit(mrb, ruby_code, "\nrescue => e\ne\nend");
recv = dbg->regs[0];
v = mrb_funcall_argv(mrb, recv, MRB_SYM(instance_eval), 1, &ruby_code);
}
if (exc) {
*exc = mrb_obj_is_kind_of(mrb, v, E_EXCEPTION);
}
s = mrb_inspect(mrb, v);
/* enable code_fetch_hook */
mrb->code_fetch_hook = tmp;
return s;
}
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