Fcalva/chibi-scheme
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using boehm gc by default

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This commit is contained in:
Alex Shinn 2009-03-03 21:41:20 +09:00
parent b3a0c52889
commit d609e52e5f
3 changed files with 14 additions and 11 deletions
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4
Makefile
View file

@ -8,10 +8,10 @@ GC_OBJ=./gc/gc.a
$GC_OBJ: ./gc/alloc.c
cd gc && make test
sexp.o: sexp.c sexp.h
sexp.o: sexp.c sexp.h config.h
gcc -c -g -Os -o $@ $<
eval.o: eval.c eval.h sexp.h
eval.o: eval.c debug.c eval.h sexp.h config.h
gcc -c -g -Os -o $@ $<
chibi-scheme: sexp.o eval.o $(GC_OBJ)

18
eval.c
View file

@ -79,7 +79,7 @@ void env_define(env e, sexp key, sexp value) {
env extend_env_closure (env e, sexp fv) {
int i;
env e2 = (env) malloc(sizeof(struct env));
env e2 = (env) SEXP_ALLOC(sizeof(struct env));
e2->tag = SEXP_ENV;
e2->parent = e;
e2->bindings = SEXP_NULL;
@ -91,7 +91,7 @@ env extend_env_closure (env e, sexp fv) {
env make_standard_env() {
int i;
env e = (env) malloc(sizeof(struct env));
env e = (env) SEXP_ALLOC(sizeof(struct env));
e->tag = SEXP_ENV;
e->parent = NULL;
e->bindings = SEXP_NULL;
@ -110,7 +110,7 @@ void shrink_bcode(bytecode *bc, unsigned int i) {
bytecode tmp;
if ((*bc)->len != i) {
fprintf(stderr, "shrinking to %d\n", i);
tmp = (bytecode) malloc(sizeof(struct bytecode) + i);
tmp = (bytecode) SEXP_ALLOC(sizeof(struct bytecode) + i);
tmp->tag = SEXP_BYTECODE;
tmp->len = i;
memcpy(tmp->data, (*bc)->data, i);
@ -123,7 +123,7 @@ void emit(bytecode *bc, unsigned int *i, char c) {
bytecode tmp;
if ((*bc)->len < (*i)+1) {
fprintf(stderr, "expanding (%d < %d)\n", (*bc)->len, (*i)+1);
tmp = (bytecode) malloc(sizeof(unsigned int) + (*bc)->len*2);
tmp = (bytecode) SEXP_ALLOC(sizeof(unsigned int) + (*bc)->len*2);
tmp->len = (*bc)->len*2;
memcpy(tmp->data, (*bc)->data, (*bc)->len);
SEXP_FREE(*bc);
@ -135,7 +135,7 @@ void emit(bytecode *bc, unsigned int *i, char c) {
void emit_word(bytecode *bc, unsigned int *i, unsigned long val) {
bytecode tmp;
if ((*bc)->len < (*i)+4) {
tmp = (bytecode) malloc(sizeof(unsigned int) + (*bc)->len*2);
tmp = (bytecode) SEXP_ALLOC(sizeof(unsigned int) + (*bc)->len*2);
tmp->len = (*bc)->len*2;
memcpy(tmp->data, (*bc)->data, (*bc)->len);
SEXP_FREE(*bc);
@ -440,7 +440,7 @@ void analyze_lambda (sexp name, sexp formals, sexp body,
bytecode compile(sexp params, sexp obj, env e, sexp fv, sexp sv, int done_p) {
unsigned int i = 0, j, d = 0;
bytecode bc = (bytecode) malloc(sizeof(struct bytecode)+INIT_BCODE_SIZE);
bytecode bc = (bytecode) SEXP_ALLOC(sizeof(struct bytecode)+INIT_BCODE_SIZE);
sexp sv2 = set_vars(e, params, obj, SEXP_NULL), ls;
fprintf(stderr, "set-vars: "); write_sexp(stderr, sv2); fprintf(stderr, "\n");
bc->tag = SEXP_BYTECODE;
@ -689,9 +689,9 @@ sexp eval_in_stack(sexp obj, env e, sexp* stack, unsigned int top) {
}
sexp eval(sexp obj, env e) {
sexp* stack = (sexp*) malloc(sizeof(sexp) * INIT_STACK_SIZE);
sexp* stack = (sexp*) SEXP_ALLOC(sizeof(sexp) * INIT_STACK_SIZE);
sexp res = eval_in_stack(obj, e, stack, 0);
free(stack);
SEXP_FREE(stack);
return res;
}
@ -701,7 +701,7 @@ int main (int argc, char **argv) {
sexp_init();
e = make_standard_env();
stack = (sexp*) malloc(sizeof(sexp) * INIT_STACK_SIZE);
stack = (sexp*) SEXP_ALLOC(sizeof(sexp) * INIT_STACK_SIZE);
/* repl */
fprintf(stdout, "> ");

3
sexp.c
View file

@ -672,6 +672,9 @@ sexp read_sexp (FILE *in) {
void sexp_init() {
if (! initialized_p) {
initialized_p = 1;
#ifdef USE_BOEHM
GC_init();
#endif
symbol_table = SEXP_ALLOC(symbol_table_primes[0]*sizeof(sexp));
the_dot_symbol = intern(".");
the_quote_symbol = intern("quote");