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separate cv table creation

This commit is contained in:
Yuichi Nishiwaki 2014-03-22 18:58:25 +09:00
parent 5a56f57782
commit cb2f9fece3
1 changed files with 42 additions and 22 deletions
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64
src/codegen.c
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@ -1019,7 +1019,7 @@ pic_resolve(pic_state *pic, pic_value obj)
typedef struct codegen_context {
bool varg;
/* rest args variable is counted as a local */
xvect args, locals;
xvect args, locals, captures;
/* closed variable table */
unsigned *cv_tbl, cv_num;
/* actual bit code sequence */
@ -1087,12 +1087,45 @@ destroy_codegen_state(codegen_state *state)
}
static void
push_codegen_context(codegen_state *state, pic_value args, pic_value locals, bool varg, pic_value closes)
create_cv_table(pic_state *pic, codegen_context *cxt)
{
size_t i;
xhash *vars;
pic_sym *var;
size_t offset;
vars = xh_new_int();
/* number local variables */
offset = 1;
for (i = 0; i < cxt->args.size; ++i) {
var = xv_get(&cxt->args, i);
xh_put_int(vars, *var, i + offset);
}
offset += i;
for (i = 0; i < cxt->locals.size; ++i) {
var = xv_get(&cxt->locals, i);
xh_put_int(vars, *var, i + offset);
}
/* closed variables */
cxt->cv_tbl = NULL;
cxt->cv_num = 0;
for (i = 0; i < cxt->captures.size; ++i) {
var = xv_get(&cxt->captures, i);
i = cxt->cv_num++;
cxt->cv_tbl = pic_realloc(pic, cxt->cv_tbl, sizeof(unsigned) * cxt->cv_num);
cxt->cv_tbl[i] = xh_get_int(vars, *var)->val;
}
xh_destroy(vars);
}
static void
push_codegen_context(codegen_state *state, pic_value args, pic_value locals, bool varg, pic_value captures)
{
pic_state *pic = state->pic;
codegen_context *cxt;
size_t i, c;
xhash *vars;
pic_value var;
cxt = (codegen_context *)pic_alloc(pic, sizeof(codegen_context));
@ -1101,6 +1134,7 @@ push_codegen_context(codegen_state *state, pic_value args, pic_value locals, boo
xv_init(&cxt->args, sizeof(pic_sym));
xv_init(&cxt->locals, sizeof(pic_sym));
xv_init(&cxt->captures, sizeof(pic_sym));
pic_for_each (var, args) {
xv_push(&cxt->args, &pic_sym(var));
@ -1108,26 +1142,11 @@ push_codegen_context(codegen_state *state, pic_value args, pic_value locals, boo
pic_for_each (var, locals) {
xv_push(&cxt->locals, &pic_sym(var));
}
/* number local variables */
vars = xh_new_int();
for (i = 0; i < cxt->args.size; ++i) {
xh_put_int(vars, pic_sym(pic_list_ref(pic, args, i)), i + 1);
}
for (i = 0; i < cxt->locals.size; ++i) {
xh_put_int(vars, pic_sym(pic_list_ref(pic, locals, i)), i + 1 + cxt->args.size);
pic_for_each (var, captures) {
xv_push(&cxt->captures, &pic_sym(var));
}
/* closed variables */
cxt->cv_tbl = NULL;
cxt->cv_num = 0;
for (i = 0, c = pic_length(pic, closes); i < c; ++i) {
i = cxt->cv_num++;
cxt->cv_tbl = pic_realloc(pic, cxt->cv_tbl, sizeof(unsigned) * cxt->cv_num);
cxt->cv_tbl[i] = xh_get_int(vars, pic_sym(pic_list_ref(pic, closes, i)))->val;
}
xh_destroy(vars);
create_cv_table(pic, cxt);
cxt->code = pic_calloc(pic, PIC_ISEQ_SIZE, sizeof(pic_code));
cxt->clen = 0;
@ -1168,6 +1187,7 @@ pop_codegen_context(codegen_state *state)
/* finalize */
xv_destroy(&cxt->args);
xv_destroy(&cxt->locals);
xv_destroy(&cxt->captures);
/* destroy context */
cxt = cxt->up;