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add pointers, variable arguments and void functions

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This commit is contained in:
r4
2021-12-28 13:39:12 +01:00
parent a706ea6a3f
commit 22f71d7e56
9 changed files with 140 additions and 40 deletions
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34
main.c
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@@ -33,15 +33,18 @@ static void die(const char *fmt, ...) {
exit(1);
}
static Value fn_put(Value *args) {
print_value(&args[0], true);
return (Value){0};
static void fn_put(size_t extra_args, Value *args) {
for (size_t i = 0;; i++) {
print_value(&args[i], true);
if (i+1 >= extra_args)
break;
printf(" ");
}
}
static Value fn_putln(Value *args) {
fn_put(args);
static void fn_putln(size_t extra_args, Value *args) {
fn_put(extra_args, args);
printf("\n");
return (Value){0};
}
static Value fn_int(Value *args) {
@@ -107,13 +110,12 @@ static Value fn_pow(Value *args) {
};
}
static Value fn_sleep(Value *args) {
static void fn_sleep(Value *args) {
if (!(args[0].type.kind == TypeFloat && args[0].Float >= 0.0)) {
set_err("sleep() requires a positive float");
return (Value){0};
return;
}
sleep_secs(args[0].Float);
return (Value){0};
}
static Value fn_getln(Value *args) {
@@ -203,13 +205,13 @@ int main(int argc, const char **argv) {
print_toks(&tokens);
/* parse tokens into IR code */
BuiltinFunc funcs[] = {
{ .name = "put", .side_effects = true, .n_args = 1, .func = fn_put, },
{ .name = "putln", .side_effects = true, .n_args = 1, .func = fn_putln, },
{ .name = "int", .side_effects = false, .n_args = 1, .func = fn_int, },
{ .name = "float", .side_effects = false, .n_args = 1, .func = fn_float, },
{ .name = "pow", .side_effects = false, .n_args = 2, .func = fn_pow, },
{ .name = "sleep", .side_effects = true, .n_args = 1, .func = fn_sleep, },
{ .name = "getln", .side_effects = true, .n_args = 0, .func = fn_getln, },
{ .name = "put", .kind = FuncVarArgs, .returns = false, .side_effects = true, .VarArgs = { .min_args = 0, .NoRet.func = fn_put, }},
{ .name = "putln", .kind = FuncVarArgs, .returns = false, .side_effects = true, .VarArgs = { .min_args = 0, .NoRet.func = fn_putln, }},
{ .name = "int", .kind = FuncFixedArgs, .returns = true, .side_effects = false, .FixedArgs = { .n_args = 1, .WithRet.func = fn_int, }},
{ .name = "float", .kind = FuncFixedArgs, .returns = true, .side_effects = false, .FixedArgs = { .n_args = 1, .WithRet.func = fn_float, }},
{ .name = "pow", .kind = FuncFixedArgs, .returns = true, .side_effects = false, .FixedArgs = { .n_args = 2, .WithRet.func = fn_pow, }},
{ .name = "sleep", .kind = FuncFixedArgs, .returns = false, .side_effects = true, .FixedArgs = { .n_args = 1, .NoRet.func = fn_sleep, }},
{ .name = "getln", .kind = FuncFixedArgs, .returns = true, .side_effects = true, .FixedArgs = { .n_args = 0, .WithRet.func = fn_getln, }},
};
IRToks ir = parse(&tokens, funcs, sizeof(funcs) / sizeof(funcs[0]));
if (err) {