80 lines
1.4 KiB
C
80 lines
1.4 KiB
C
/**
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* See Copyright Notice in picrin.h
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*/
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#include "picrin.h"
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#include "picrin/pair.h"
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#include "picrin/port.h"
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#include "picrin/error.h"
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static void
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pic_load_port(pic_state *pic, struct pic_port *port)
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{
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pic_value form;
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pic_try {
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size_t ai = pic_gc_arena_preserve(pic);
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while (! pic_eof_p(form = pic_read(pic, port))) {
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pic_eval(pic, form, pic->lib);
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pic_gc_arena_restore(pic, ai);
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}
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}
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pic_catch {
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pic_errorf(pic, "load error: %s", pic_errmsg(pic));
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}
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}
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void
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pic_load_cstr(pic_state *pic, const char *src)
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{
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struct pic_port *port = pic_open_input_string(pic, src);
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pic_load_port(pic, port);
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pic_close_port(pic, port);
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}
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void
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pic_load(pic_state *pic, const char *filename)
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{
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struct pic_port *port;
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xFILE *file;
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file = xfopen(filename, "r");
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if (file == NULL) {
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pic_errorf(pic, "could not open file: %s", filename);
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}
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port = (struct pic_port *)pic_obj_alloc(pic, sizeof(struct pic_port), PIC_TT_PORT);
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port->file = file;
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port->flags = PIC_PORT_IN | PIC_PORT_TEXT;
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port->status = PIC_PORT_OPEN;
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pic_load_port(pic, port);
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pic_close_port(pic, port);
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}
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static pic_value
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pic_load_load(pic_state *pic)
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{
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pic_value envid;
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char *fn;
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pic_get_args(pic, "z|o", &fn, &envid);
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pic_load(pic, fn);
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return pic_none_value();
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}
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void
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pic_init_load(pic_state *pic)
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{
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pic_deflibrary (pic, "(scheme load)") {
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pic_defun(pic, "load", pic_load_load);
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}
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}
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