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Dynamic protocols.

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This commit is contained in:
Christoffer Lerno
2023-10-04 23:10:59 +02:00
committed by Christoffer Lerno
parent 4cc30c0d33
commit 49c4595457
106 changed files with 2372 additions and 2011 deletions
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31
lib/std/io/formatter.c3
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@@ -4,8 +4,11 @@ import libc;
const int PRINTF_NTOA_BUFFER_SIZE = 256;
fn String any.to_string(void* value, Allocator *using) @interface;
fn usz! any.to_format(void* value, Formatter* formatter) @interface;
protocol Printable
{
fn String to_string(&self, Allocator *using);
fn usz! to_format(&self, Formatter* formatter);
}
fault PrintFault
{
@@ -69,7 +72,7 @@ fn usz! Formatter.out(&self, char c) @private
return 1;
}
macro usz! Formatter.print_with_function(&self, any arg)
fn usz! Formatter.print_with_function(&self, Printable* arg)
{
if (&arg.to_format)
{
@@ -104,7 +107,7 @@ macro usz! Formatter.print_with_function(&self, any arg)
}
fn usz! Formatter.out_str(&self, any arg) @private
fn usz! Formatter.out_str(&self, any* arg) @private
{
switch (arg.type.kindof)
{
@@ -116,7 +119,7 @@ fn usz! Formatter.out_str(&self, any arg) @private
case FAULT:
return self.out_substr((*(anyfault*)arg.ptr).nameof);
case ANY:
return self.out_str(*(any*)arg);
return self.out_str(*(any**)arg);
case OPTIONAL:
unreachable();
case SIGNED_INT:
@@ -146,14 +149,16 @@ fn usz! Formatter.out_str(&self, any arg) @private
return self.out_substr(*(bool*)arg.ptr ? "true" : "false");
default:
}
usz! n = self.print_with_function(arg);
usz! n = self.print_with_function((Printable*)arg);
if (catch err = n)
{
case SearchResult.MISSING:
break;
default:
return err?;
} else {
}
else
{
return n;
}
switch (arg.type.kindof)
@@ -179,7 +184,7 @@ fn usz! Formatter.out_str(&self, any arg) @private
{
return self.out_substr(((DString*)arg).str_view());
}
return self.out_str(any { arg.ptr, arg.type.inner });
return self.out_str(arg.as_inner());
case POINTER:
PrintFlags flags = self.flags;
uint width = self.width;
@@ -211,7 +216,7 @@ fn usz! Formatter.out_str(&self, any arg) @private
for (usz i = 0; i < alen; i++)
{
if (i != 0) len += self.out_substr(", ")!;
len += self.out_str(any { ptr, inner })!;
len += self.out_str(any_make(ptr, inner))!;
ptr += size;
}
len += self.out(']')!;
@@ -236,7 +241,7 @@ fn usz! Formatter.out_str(&self, any arg) @private
for (usz i = 0; i < vlen; i++)
{
if (i != 0) len += self.out_substr(", ")!;
len += self.out_str(any { ptr, inner })!;
len += self.out_str(any_make(ptr, inner))!;
ptr += size;
}
len += self.out_substr(">]")!;
@@ -267,7 +272,7 @@ fn usz! Formatter.out_str(&self, any arg) @private
for (usz i = 0; i < slen; i++)
{
if (i != 0) len += self.out_substr(", ")!;
len += self.out_str(any { ptr, inner })!;
len += self.out_str(any_make(ptr, inner))!;
ptr += size;
}
len += self.out(']')!;
@@ -286,7 +291,7 @@ fn void! out_null_fn(void* data @unused, char c @unused) @private
fn usz! Formatter.vprintf(&self, String format, any[] anys)
fn usz! Formatter.vprintf(&self, String format, any*[] anys)
{
if (!self.out_fn)
{
@@ -353,7 +358,7 @@ fn usz! Formatter.vprintf(&self, String format, any[] anys)
// evaluate specifier
uint base = 0;
if (variant_index >= anys.len) return PrintFault.MISSING_ARG?;
any current = anys[variant_index++];
any* current = anys[variant_index++];
switch (c)
{
case 'd':