mu/archive/1.vm/018constant.cc

80 lines
1.5 KiB
C++

//: A few literal constants.
:(before "End Mu Types Initialization")
put(Type_ordinal, "literal-boolean", 0);
//: 'true'
:(code)
void test_true() {
load(
"def main [\n"
" 1:boolean <- copy true\n"
"]\n"
);
CHECK_TRACE_CONTENTS(
"parse: ingredient: {true: \"literal-boolean\"}\n"
);
}
:(before "End Parsing reagent")
if (name == "true") {
if (type != NULL) {
raise << "'true' is a literal and can't take a type\n" << end();
return;
}
type = new type_tree("literal-boolean");
set_value(1);
}
//: 'false'
:(code)
void test_false() {
load(
"def main [\n"
" 1:boolean <- copy false\n"
"]\n"
);
CHECK_TRACE_CONTENTS(
"parse: ingredient: {false: \"literal-boolean\"}\n"
);
}
:(before "End Parsing reagent")
if (name == "false") {
if (type != NULL) {
raise << "'false' is a literal and can't take a type\n" << end();
return;
}
type = new type_tree("literal-boolean");
set_value(0);
}
//: 'null'
:(before "End Mu Types Initialization")
put(Type_ordinal, "literal-address", 0);
:(code)
void test_null() {
load(
"def main [\n"
" 1:address:number <- copy null\n"
"]\n"
);
CHECK_TRACE_CONTENTS(
"parse: ingredient: {null: \"literal-address\"}\n"
);
}
:(before "End Parsing reagent")
if (name == "null") {
if (type != NULL) {
raise << "'null' is a literal and can't take a type\n" << end();
return;
}
type = new type_tree("literal-address");
set_value(0);
}