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fix: warnings for 'c-run-time.c' #1706

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@fraya fraya commented May 2, 2025

Creates different arities for DFLN.

typedef dylan_value (*DLFN0)(void);
typedef dylan_value (*DLFN1)(dylan_value);
typedef dylan_value (*DLFN2)(dylan_value, dylan_value);
... etc

Changing DLFN to a union

typedef union {
void* raw;
DLFN0 mep0;
DLFN1 mep1;
DLFN2 mep2;
DLFN3 mep3;
DLFN4 mep4;
DLFN5 mep5;
DLFN6 mep6;
DLFN7 mep7;
DLFN8 mep8;
DLFN9 mep9;
DLFN10 mep10;
DLFN64 mep64;
} DLFN;

Then rewrite the call logic using the correct
type per arity.

switch (teb->argument_count) {
case 0: return (mep.mep0)();
case 1: return (mep.mep1)(v[0]);
...

Closes #1650

Creates different arities for DFLN.

typedef dylan_value (*DLFN0)(void);
typedef dylan_value (*DLFN1)(dylan_value);
typedef dylan_value (*DLFN2)(dylan_value, dylan_value);
... etc

Changing DLFN to a union

typedef union {
  void* raw;
  DLFN0 mep0;
  DLFN1 mep1;
  DLFN2 mep2;
  DLFN3 mep3;
  DLFN4 mep4;
  DLFN5 mep5;
  DLFN6 mep6;
  DLFN7 mep7;
  DLFN8 mep8;
  DLFN9 mep9;
  DLFN10 mep10;
  DLFN64 mep64;
} DLFN;

Then rewrite the call logic using the correct
type per arity.

switch (teb->argument_count) {
  case 0: return (mep.mep0)();
  case 1: return (mep.mep1)(v[0]);
  ...

Closes dylan-lang#1650
@fraya fraya requested review from cgay and housel May 2, 2025 06:48
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fraya commented May 2, 2025

If the premise isn't valid, please suggest an alternative and I'll start over.
There are parts where I'm not sure it's correct, so I think it needs more work.

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Warnings for c-run-time.c
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