238 lines
7.8 KiB
C++
238 lines
7.8 KiB
C++
//: Jump primitives
|
|
|
|
void test_jump_can_skip_instructions() {
|
|
run(
|
|
"def main [\n"
|
|
" jump 1:offset\n"
|
|
" 1:num <- copy 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump {1: \"offset\"}\n"
|
|
);
|
|
CHECK_TRACE_DOESNT_CONTAIN("run: {1: \"number\"} <- copy {1: \"literal\"}");
|
|
CHECK_TRACE_DOESNT_CONTAIN("mem: storing 1 in location 1");
|
|
}
|
|
|
|
:(before "End Primitive Recipe Declarations")
|
|
JUMP,
|
|
:(before "End Primitive Recipe Numbers")
|
|
put(Recipe_ordinal, "jump", JUMP);
|
|
:(before "End Primitive Recipe Checks")
|
|
case JUMP: {
|
|
if (SIZE(inst.ingredients) != 1) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' should get exactly one ingredient\n" << end();
|
|
break;
|
|
}
|
|
if (!is_literal(inst.ingredients.at(0))) {
|
|
raise << maybe(get(Recipe, r).name) << "first ingredient of '" << to_original_string(inst) << "' should be a label or offset, but '" << inst.ingredients.at(0).name << "' has type '" << names_to_string_without_quotes(inst.ingredients.at(0).type) << "'\n" << end();
|
|
break;
|
|
}
|
|
if (!inst.products.empty()) {
|
|
raise << maybe(get(Recipe, r).name) << "'jump' instructions write no products\n" << end();
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
:(before "End Primitive Recipe Implementations")
|
|
case JUMP: {
|
|
assert(current_instruction().ingredients.at(0).initialized);
|
|
current_step_index() += ingredients.at(0).at(0)+1;
|
|
trace(Callstack_depth+1, "run") << "jumping to instruction " << current_step_index() << end();
|
|
// skip rest of this instruction
|
|
write_products = false;
|
|
fall_through_to_next_instruction = false;
|
|
break;
|
|
}
|
|
|
|
//: special type to designate jump targets
|
|
:(before "End Mu Types Initialization")
|
|
put(Type_ordinal, "offset", 0);
|
|
|
|
:(code)
|
|
void test_jump_backward() {
|
|
run(
|
|
"def main [\n"
|
|
" jump 1:offset\n" // 0 -+
|
|
" jump 3:offset\n" // | +-+ 1
|
|
// \/ /\ |
|
|
" jump -2:offset\n" // 2 +-->+ |
|
|
"]\n" // \/ 3
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump {1: \"offset\"}\n"
|
|
"run: jump {-2: \"offset\"}\n"
|
|
"run: jump {3: \"offset\"}\n"
|
|
);
|
|
}
|
|
|
|
void test_jump_takes_no_products() {
|
|
Hide_errors = true;
|
|
run(
|
|
"def main [\n"
|
|
" 1:num <- jump 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"error: main: 'jump' instructions write no products\n"
|
|
);
|
|
}
|
|
|
|
:(before "End Primitive Recipe Declarations")
|
|
JUMP_IF,
|
|
:(before "End Primitive Recipe Numbers")
|
|
put(Recipe_ordinal, "jump-if", JUMP_IF);
|
|
:(before "End Primitive Recipe Checks")
|
|
case JUMP_IF: {
|
|
if (SIZE(inst.ingredients) != 2) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' should get exactly two ingredients\n" << end();
|
|
break;
|
|
}
|
|
if (!is_mu_address(inst.ingredients.at(0)) && !is_mu_scalar(inst.ingredients.at(0))) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' requires a boolean for its first ingredient, but '" << inst.ingredients.at(0).name << "' has type '" << names_to_string_without_quotes(inst.ingredients.at(0).type) << "'\n" << end();
|
|
break;
|
|
}
|
|
if (!is_literal(inst.ingredients.at(1))) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' requires a label or offset for its second ingredient, but '" << inst.ingredients.at(1).name << "' has type '" << names_to_string_without_quotes(inst.ingredients.at(1).type) << "'\n" << end();
|
|
break;
|
|
}
|
|
if (!inst.products.empty()) {
|
|
raise << maybe(get(Recipe, r).name) << "'jump-if' instructions write no products\n" << end();
|
|
break;
|
|
}
|
|
// End JUMP_IF Checks
|
|
break;
|
|
}
|
|
:(before "End Primitive Recipe Implementations")
|
|
case JUMP_IF: {
|
|
assert(current_instruction().ingredients.at(1).initialized);
|
|
if (!scalar_ingredient(ingredients, 0)) {
|
|
trace(Callstack_depth+1, "run") << "jump-if fell through" << end();
|
|
break;
|
|
}
|
|
current_step_index() += ingredients.at(1).at(0)+1;
|
|
trace(Callstack_depth+1, "run") << "jumping to instruction " << current_step_index() << end();
|
|
// skip rest of this instruction
|
|
write_products = false;
|
|
fall_through_to_next_instruction = false;
|
|
break;
|
|
}
|
|
|
|
:(code)
|
|
void test_jump_if() {
|
|
run(
|
|
"def main [\n"
|
|
" jump-if 999, 1:offset\n"
|
|
" 123:num <- copy 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump-if {999: \"literal\"}, {1: \"offset\"}\n"
|
|
"run: jumping to instruction 2\n"
|
|
);
|
|
CHECK_TRACE_DOESNT_CONTAIN("run: {123: \"number\"} <- copy {1: \"literal\"}");
|
|
CHECK_TRACE_DOESNT_CONTAIN("mem: storing 1 in location 123");
|
|
}
|
|
|
|
void test_jump_if_fallthrough() {
|
|
run(
|
|
"def main [\n"
|
|
" jump-if 0, 1:offset\n"
|
|
" 123:num <- copy 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump-if {0: \"literal\"}, {1: \"offset\"}\n"
|
|
"run: jump-if fell through\n"
|
|
"run: {123: \"number\"} <- copy {1: \"literal\"}\n"
|
|
"mem: storing 1 in location 123\n"
|
|
);
|
|
}
|
|
|
|
void test_jump_if_on_address() {
|
|
run(
|
|
"def main [\n"
|
|
" 10:num/alloc-id, 11:num <- copy 0, 999\n"
|
|
" jump-if 10:&:number, 1:offset\n"
|
|
" 123:num <- copy 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump-if {10: (\"address\" \"number\")}, {1: \"offset\"}\n"
|
|
"run: jumping to instruction 3\n"
|
|
);
|
|
CHECK_TRACE_DOESNT_CONTAIN("run: {123: \"number\"} <- copy {1: \"literal\"}");
|
|
CHECK_TRACE_DOESNT_CONTAIN("mem: storing 1 in location 123");
|
|
}
|
|
|
|
:(before "End Primitive Recipe Declarations")
|
|
JUMP_UNLESS,
|
|
:(before "End Primitive Recipe Numbers")
|
|
put(Recipe_ordinal, "jump-unless", JUMP_UNLESS);
|
|
:(before "End Primitive Recipe Checks")
|
|
case JUMP_UNLESS: {
|
|
if (SIZE(inst.ingredients) != 2) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' should get exactly two ingredients\n" << end();
|
|
break;
|
|
}
|
|
if (!is_mu_address(inst.ingredients.at(0)) && !is_mu_scalar(inst.ingredients.at(0))) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' requires a boolean for its first ingredient, but '" << inst.ingredients.at(0).name << "' has type '" << names_to_string_without_quotes(inst.ingredients.at(0).type) << "'\n" << end();
|
|
break;
|
|
}
|
|
if (!is_literal(inst.ingredients.at(1))) {
|
|
raise << maybe(get(Recipe, r).name) << "'" << to_original_string(inst) << "' requires a label or offset for its second ingredient, but '" << inst.ingredients.at(1).name << "' has type '" << names_to_string_without_quotes(inst.ingredients.at(1).type) << "'\n" << end();
|
|
break;
|
|
}
|
|
if (!inst.products.empty()) {
|
|
raise << maybe(get(Recipe, r).name) << "'jump' instructions write no products\n" << end();
|
|
break;
|
|
}
|
|
// End JUMP_UNLESS Checks
|
|
break;
|
|
}
|
|
:(before "End Primitive Recipe Implementations")
|
|
case JUMP_UNLESS: {
|
|
assert(current_instruction().ingredients.at(1).initialized);
|
|
if (scalar_ingredient(ingredients, 0)) {
|
|
trace(Callstack_depth+1, "run") << "jump-unless fell through" << end();
|
|
break;
|
|
}
|
|
current_step_index() += ingredients.at(1).at(0)+1;
|
|
trace(Callstack_depth+1, "run") << "jumping to instruction " << current_step_index() << end();
|
|
// skip rest of this instruction
|
|
write_products = false;
|
|
fall_through_to_next_instruction = false;
|
|
break;
|
|
}
|
|
|
|
:(code)
|
|
void test_jump_unless() {
|
|
run(
|
|
"def main [\n"
|
|
" jump-unless 0, 1:offset\n"
|
|
" 123:num <- copy 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump-unless {0: \"literal\"}, {1: \"offset\"}\n"
|
|
"run: jumping to instruction 2\n"
|
|
);
|
|
CHECK_TRACE_DOESNT_CONTAIN("run: {123: \"number\"} <- copy {1: \"literal\"}");
|
|
CHECK_TRACE_DOESNT_CONTAIN("mem: storing 1 in location 123");
|
|
}
|
|
|
|
void test_jump_unless_fallthrough() {
|
|
run(
|
|
"def main [\n"
|
|
" jump-unless 999, 1:offset\n"
|
|
" 123:num <- copy 1\n"
|
|
"]\n"
|
|
);
|
|
CHECK_TRACE_CONTENTS(
|
|
"run: jump-unless {999: \"literal\"}, {1: \"offset\"}\n"
|
|
"run: jump-unless fell through\n"
|
|
"run: {123: \"number\"} <- copy {1: \"literal\"}\n"
|
|
"mem: storing 1 in location 123\n"
|
|
);
|
|
}
|