X-Git-Url: http://deadsoftware.ru/gitweb?p=dsw-obn.git;a=blobdiff_plain;f=src%2Fbackends%2Fjvm%2Fgenerator-jvm.c;h=5b45cc166bca184d32d0640a24f9f90a016617ef;hp=c2fd9abd4662bef894b32ae159650e7cdcb4baa2;hb=b09b4829b70cf34a470003286ea100663d7fe442;hpb=95acec6c3ae8d3c324c84b001a680aa49320790b diff --git a/src/backends/jvm/generator-jvm.c b/src/backends/jvm/generator-jvm.c index c2fd9ab..5b45cc1 100644 --- a/src/backends/jvm/generator-jvm.c +++ b/src/backends/jvm/generator-jvm.c @@ -1136,6 +1136,19 @@ jvm_generate_expr_new_pointer(gen_proc_t * p, oberon_type_t * type, int num, obe jvm_generate_new(p, type -> base, num); } +static void +jvm_generate_cast_prefix(gen_proc_t * p, char prefix, char postfix) +{ + if(prefix == postfix) + { + return; + } + + int from_cell_size = jvm_cell_size_for_postfix(prefix); + int to_cell_size = jvm_cell_size_for_postfix(postfix); + jvm_generate(p, from_cell_size, to_cell_size, "%c2%c", prefix, postfix); +} + static void jvm_generate_cast_type(gen_proc_t * p, oberon_type_t * from, oberon_type_t * to) { @@ -1151,17 +1164,7 @@ jvm_generate_cast_type(gen_proc_t * p, oberon_type_t * from, oberon_type_t * to) { char prefix = jvm_get_prefix(from); char postfix = jvm_get_postfix(to); - int from_cell_size = jvm_cell_size_for_type(from); - int to_cell_size = jvm_cell_size_for_type(to); - - jvm_generate_comment(p, "cast type class from %i(%i) to %i(%i)", from -> class, from -> size, to -> class, to -> size); - - if(prefix == postfix) - { - return; - } - - jvm_generate(p, from_cell_size, to_cell_size, "%c2%c", prefix, postfix); + jvm_generate_cast_prefix(p, prefix, postfix); } } @@ -1217,6 +1220,11 @@ push_item(gen_proc_t * p, oberon_item_t * item) case MODE_STRING: jvm_generate_push_string(p, item -> string, item -> result -> size); break; + case MODE_LEN: + push_item(p, item -> parent); + jvm_generate_array_len(p, item -> integer); + jvm_generate_cast_prefix(p, 'i', jvm_get_postfix(item -> result)); + break; default: gen_error("push_item: unk mode %i", item -> mode); break; @@ -1555,6 +1563,18 @@ jvm_generate_ash(gen_proc_t * p, oberon_expr_t * a, oberon_expr_t * b) jvm_generate_label(p, label_end); } +static void +jvm_generate_entier(gen_proc_t * p, oberon_expr_t * x, oberon_type_t * res) +{ + char prefix = jvm_get_prefix(x -> result); + char postfix = jvm_get_postfix(res); + + push_expr(p, x); + jvm_generate_cast_prefix(p, prefix, 'd'); + jvm_generate(p, 2, 2, "invokestatic java/lang/Math/floor(D)D"); + jvm_generate_cast_prefix(p, 'd', postfix); +} + static void push_operator(gen_proc_t * p, oberon_oper_t * oper) { @@ -1574,6 +1594,9 @@ push_operator(gen_proc_t * p, oberon_oper_t * oper) push_expr(p, oper -> left); jvm_generate_operator(p, preq, op); break; + case OP_ENTIER: + jvm_generate_entier(p, oper -> left, oper -> result); + break; case OP_ADD: case OP_SUB: