134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "picrin.h"
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#include "picrin/pair.h"
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#include "picrin/lib.h"
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#include "picrin/macro.h"
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void pic_init_bool(pic_state *);
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void pic_init_pair(pic_state *);
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void pic_init_port(pic_state *);
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void pic_init_number(pic_state *);
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void pic_init_time(pic_state *);
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void pic_init_system(pic_state *);
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void pic_init_file(pic_state *);
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void pic_init_proc(pic_state *);
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void pic_init_symbol(pic_state *);
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void pic_init_vector(pic_state *);
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void pic_init_blob(pic_state *);
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void pic_init_cont(pic_state *);
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void pic_init_char(pic_state *);
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void pic_init_error(pic_state *);
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void pic_init_str(pic_state *);
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void pic_init_macro(pic_state *);
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void pic_init_var(pic_state *);
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void
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pic_load_stdlib(pic_state *pic)
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{
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static const char *fn = "piclib/built-in.scm";
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FILE *file;
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int n, i, ai;
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pic_value v, vs;
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struct pic_proc *proc;
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file = fopen(fn, "r");
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if (file == NULL) {
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fputs("fatal error: could not read built-in.scm", stderr);
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abort();
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}
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n = pic_parse_file(pic, file, &vs);
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if (n < 0) {
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fputs("fatal error: built-in.scm broken", stderr);
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abort();
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}
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ai = pic_gc_arena_preserve(pic);
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for (i = 0; i < n; ++i, vs = pic_cdr(pic, vs)) {
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v = pic_car(pic, vs);
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proc = pic_codegen(pic, v);
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if (proc == NULL) {
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fprintf(stderr, "in codegen: %s\n", pic->errmsg);
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fputs("fatal error: built-in.scm compilation failure", stderr);
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abort();
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}
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v = pic_apply(pic, proc, pic_nil_value());
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if (pic_undef_p(v)) {
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fprintf(stderr, "in execute: %s\n", pic->errmsg);
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fputs("fatal error: built-in.scm evaluation failure", stderr);
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abort();
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}
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pic_gc_arena_restore(pic, ai);
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}
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#if DEBUG
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puts("successfully loaded stdlib");
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#endif
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}
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#define PUSH_SYM(pic, lst, name) \
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lst = pic_cons(pic, pic_symbol_value(pic_intern_cstr(pic, name)), lst)
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static pic_value
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pic_features(pic_state *pic)
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{
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pic_value fs = pic_nil_value();
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pic_get_args(pic, "");
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PUSH_SYM(pic, fs, "r7rs");
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PUSH_SYM(pic, fs, "ieee-float");
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PUSH_SYM(pic, fs, "picrin");
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return fs;
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}
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#define DONE pic_gc_arena_restore(pic, ai);
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void
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pic_init_core(pic_state *pic)
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{
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int ai = pic_gc_arena_preserve(pic);
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pic_make_library(pic, pic_parse(pic, "(scheme base)"));
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pic_in_library(pic, pic_parse(pic, "(scheme base)"));
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/* load core syntaces */
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pic->lib->senv = pic_core_syntactic_env(pic);
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pic_export(pic, pic_intern_cstr(pic, "define"));
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pic_export(pic, pic_intern_cstr(pic, "set!"));
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pic_export(pic, pic_intern_cstr(pic, "quote"));
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pic_export(pic, pic_intern_cstr(pic, "lambda"));
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pic_export(pic, pic_intern_cstr(pic, "if"));
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pic_export(pic, pic_intern_cstr(pic, "begin"));
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pic_export(pic, pic_intern_cstr(pic, "define-macro"));
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pic_export(pic, pic_intern_cstr(pic, "define-syntax"));
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pic_init_bool(pic); DONE;
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pic_init_pair(pic); DONE;
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pic_init_port(pic); DONE;
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pic_init_number(pic); DONE;
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pic_init_time(pic); DONE;
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pic_init_system(pic); DONE;
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pic_init_file(pic); DONE;
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pic_init_proc(pic); DONE;
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pic_init_symbol(pic); DONE;
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pic_init_vector(pic); DONE;
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pic_init_blob(pic); DONE;
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pic_init_cont(pic); DONE;
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pic_init_char(pic); DONE;
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pic_init_error(pic); DONE;
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pic_init_str(pic); DONE;
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pic_init_macro(pic); DONE;
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pic_init_var(pic); DONE;
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pic_load_stdlib(pic); DONE;
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pic_defun(pic, "features", pic_features);
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}
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