static bool cgen_decls_stmt(CGenerator *g, Statement *s); static bool cgen_decls_block(CGenerator *g, Block *b); static bool cgen_decls_decl(CGenerator *g, Declaration *d); static bool cgen_decls_fn_instances(CGenerator *g, Expression *e) { assert(e->kind == EXPR_FN); FnExpr *f = &e->fn; FnType *type = &e->type.fn; assert(type->constness); Instance **data = f->instances.data; for (U64 i = 0; i < f->instances.cap; i++) { if (f->instances.occupied[i]) { if (cgen_should_gen_fn(&(*data)->fn)) { (*data)->fn.c.name = f->c.name; (*data)->fn.c.id = f->c.id; if (!cgen_fn_header(g, &(*data)->fn, e->where, (*data)->c.id, (*data)->val.tuple[0].u64)) return false; cgen_write(g, ";"); cgen_nl(g); } } data++; } return true; } static bool cgen_decls_expr(CGenerator *g, Expression *e) { cgen_recurse_subexprs(g, e, cgen_decls_expr, cgen_decls_block, cgen_decls_decl); switch (e->kind) { case EXPR_FN: { FnExpr *f = &e->fn; f->c.name = NULL; if (!f->c.id) f->c.id = g->ident_counter++; FnType *fn_type = &e->type.fn; if (fn_type->constness) { if (!cgen_decls_fn_instances(g, e)) return false; } else { if (cgen_should_gen_fn(&e->fn)) { fn_enter(&e->fn, 0); if (!cgen_fn_header(g, &e->fn, e->where, 0, 0)) return false; cgen_write(g, ";"); cgen_nl(g); fn_exit(&e->fn); } } } break; case EXPR_TYPE: { Type *type = &e->typeval; if (type->kind == TYPE_STRUCT) { StructDef *sdef = type->struc; if (!(sdef->flags & STRUCT_DEF_CGENERATED)) { /* generate struct definition */ cgen_write(g, "struct "); if (sdef->c.name) cgen_ident(g, sdef->c.name); else cgen_ident_id(g, sdef->c.id); cgen_write(g, "{"); cgen_nl(g); g->indent_lvl++; arr_foreach(sdef->fields, Field, f) { if (!cgen_type_pre(g, f->type, e->where)) return false; cgen_write(g, " "); cgen_ident(g, f->name); if (!cgen_type_post(g, f->type, e->where)) return false; cgen_write(g, ";"); cgen_nl(g); } g->indent_lvl--; cgen_write(g, "};"); cgen_nl(g); sdef->flags |= STRUCT_DEF_CGENERATED; } } } break; default: break; } return true; } static bool cgen_decls_block(CGenerator *g, Block *b) { Block *prev = g->block; if (!cgen_block_enter(g, b)) return false; arr_foreach(b->stmts, Statement, s) if (!cgen_decls_stmt(g, s)) return false; if (b->ret_expr && !cgen_decls_expr(g, b->ret_expr)) return false; cgen_block_exit(g, prev); return true; } static bool cgen_decls_decl(CGenerator *g, Declaration *d) { if (cgen_fn_is_direct(g, d)) { d->expr.fn.c.name = d->idents[0]; if (d->expr.type.fn.constness) { if (!cgen_decls_fn_instances(g, &d->expr)) return false; } else { if (cgen_should_gen_fn(&d->expr.fn)) { fn_enter(&d->expr.fn, 0); if (!cgen_fn_header(g, &d->expr.fn, d->where, 0, 0)) return false; cgen_write(g, ";"); cgen_nl(g); fn_exit(&d->expr.fn); } } cgen_recurse_subexprs(g, (&d->expr), cgen_decls_expr, cgen_decls_block, cgen_decls_decl); } else if (d->flags & DECL_HAS_EXPR) { if (!cgen_decls_expr(g, &d->expr)) return false; } return true; } static bool cgen_decls_stmt(CGenerator *g, Statement *s) { switch (s->kind) { case STMT_DECL: if (!cgen_decls_decl(g, &s->decl)) return false; break; case STMT_EXPR: if (!cgen_decls_expr(g, &s->expr)) return false; break; case STMT_RET: if (s->ret.flags & RET_HAS_EXPR) if (!cgen_decls_expr(g, &s->ret.expr)) return false; break; } return true; } static bool cgen_decls_file(CGenerator *g, ParsedFile *f) { cgen_write(g, "/* declarations */\n"); arr_foreach(f->stmts, Statement, s) { if (!cgen_decls_stmt(g, s)) return false; } return true; }