mirror of
https://github.com/ashinn/chibi-scheme.git
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53 lines
2.5 KiB
C
53 lines
2.5 KiB
C
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#include <chibi/eval.h>
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static void sexp_define_type_predicate (sexp ctx, sexp env,
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char *cname, sexp_uint_t type) {
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sexp_gc_var2(name, op);
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sexp_gc_preserve2(ctx, name, op);
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name = sexp_c_string(ctx, cname, -1);
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op = sexp_make_type_predicate(ctx, name, sexp_make_fixnum(type));
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sexp_env_define(ctx, env, name=sexp_intern(ctx, cname), op);
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sexp_gc_release2(ctx);
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}
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static void sexp_define_accessors (sexp ctx, sexp env, sexp_uint_t ctype,
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sexp_uint_t cindex, char* get, char *set) {
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sexp type, index;
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sexp_gc_var2(name, op);
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sexp_gc_preserve2(ctx, name, op);
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type = sexp_make_fixnum(ctype);
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index = sexp_make_fixnum(cindex);
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op = sexp_make_getter(ctx, name=sexp_c_string(ctx, get, -1), type, index);
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sexp_env_define(ctx, env, name=sexp_intern(ctx, get), op);
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op = sexp_make_setter(ctx, name=sexp_c_string(ctx, set, -1), type, index);
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sexp_env_define(ctx, env, name=sexp_intern(ctx, set), op);
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sexp_gc_release2(ctx);
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}
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sexp sexp_init_library (sexp ctx, sexp env) {
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sexp_gc_var2(name, op);
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sexp_gc_preserve2(ctx, name, op);
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sexp_define_type_predicate(ctx, env, "lambda?", SEXP_LAMBDA);
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sexp_define_type_predicate(ctx, env, "cnd?", SEXP_CND);
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sexp_define_type_predicate(ctx, env, "set?", SEXP_SET);
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sexp_define_type_predicate(ctx, env, "ref?", SEXP_REF);
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sexp_define_type_predicate(ctx, env, "seq?", SEXP_SEQ);
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sexp_define_type_predicate(ctx, env, "lit?", SEXP_LIT);
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sexp_define_accessors(ctx, env, SEXP_LAMBDA, 0, "lambda-name", "lambda-name-set!");
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sexp_define_accessors(ctx, env, SEXP_LAMBDA, 1, "lambda-params", "lambda-params-set!");
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sexp_define_accessors(ctx, env, SEXP_LAMBDA, 7, "lambda-body", "lambda-body-set!");
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sexp_define_accessors(ctx, env, SEXP_CND, 0, "cnd-test", "cnd-test-set!");
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sexp_define_accessors(ctx, env, SEXP_CND, 1, "cnd-pass", "cnd-pass-set!");
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sexp_define_accessors(ctx, env, SEXP_CND, 2, "cnd-fail", "cnd-fail-set!");
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sexp_define_accessors(ctx, env, SEXP_SET, 0, "set-var", "set-var-set!");
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sexp_define_accessors(ctx, env, SEXP_SET, 1, "set-value", "set-value-set!");
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sexp_define_accessors(ctx, env, SEXP_REF, 0, "ref-name", "ref-name-set!");
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sexp_define_accessors(ctx, env, SEXP_REF, 1, "ref-cell", "ref-cell-set!");
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sexp_define_accessors(ctx, env, SEXP_SEQ, 0, "seq-ls", "seq-ls-set!");
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sexp_define_accessors(ctx, env, SEXP_LIT, 0, "list-value", "lit-value-set!");
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sexp_define_foreign(ctx, env, "analyze", 1, sexp_analyze);
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sexp_gc_release2(ctx);
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return SEXP_VOID;
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}
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