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killing allocation

This commit is contained in:
Adam D. Ruppe 2013-07-11 12:56:12 -04:00
parent d614f48642
commit 4f672591d8
1 changed files with 28 additions and 20 deletions
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48
mangle.d
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@ -28,6 +28,32 @@ static immutable string[23] primitives = [
"dchar", // w "dchar", // w
]; ];
// FIXME: using this will allocate at *runtime*! Unbelievable.
// it does that even if everything is enum
auto dTokensPain() {
string[] p = cast(string[]) primitives[];
string[] ret;
foreach(i; (sort!"a.length > b.length"(
p~
[
"(",
")",
".",
",",
"!",
"[",
"]",
"*",
"const",
"immutable",
"shared",
"extern",
]))) { ret ~= i; }
return ret;
}
static immutable string[] dTokens = dTokensPain();
char manglePrimitive(in char[] t) { char manglePrimitive(in char[] t) {
@ -60,26 +86,6 @@ struct StackArray(Type, size_t capacity) {
char[] mangle(const(char)[] decl, char[] buffer) { char[] mangle(const(char)[] decl, char[] buffer) {
// FIXME: using this will allocate at *runtime*! Unbelievable.
// it does that even if everything is enum
auto dTokens = (sort!"a.length > b.length"(
primitives ~
[
"(",
")",
".",
",",
"!",
"[",
"]",
"*",
"const",
"immutable",
"shared",
"extern",
]));
StackArray!(const(char)[], 128) tokensBuffer; StackArray!(const(char)[], 128) tokensBuffer;
main: while(decl.length) { main: while(decl.length) {
@ -286,6 +292,7 @@ version(unittest) {
S foo3(S, S, string, long, int, S, int[], char[][]); S foo3(S, S, string, long, int, S, int[], char[][]);
long testcomplex(int, const(const(char)[]*)[], long); long testcomplex(int, const(const(char)[]*)[], long);
} }
unittest { unittest {
import core.demangle; import core.demangle;
char[512] buffer; char[512] buffer;
@ -312,4 +319,5 @@ void main(string[] args) {
writeln(mangle(args[1], buffer)); writeln(mangle(args[1], buffer));
else else
writeln(mangle("int test30.foo(int, immutable(char)[])", buffer)); writeln(mangle("int test30.foo(int, immutable(char)[])", buffer));
//mangle("int test30.foo(int, immutable(char)[])", buffer);
} }