/// CODE

STRUCT someStruct
{
	float3 a;
	float b;
}; // <-- optional

BUFFER 0; // set current constant buffer

MACRO light N, L = dot(N,L) * someVal * someColor;

FUNC light
	IN float3 N, float3 L, // the comma should be optional
	OUT float factor
{
	factor = dot( N, L );
	// return factor = dot( N, L ); // -- also accepted
}

/// OUTPUT
[USL] Universal Shading Language compiler v0.1
        STRUCT  ident(someStruct)       {       ident(float3)   ident(a)        ;       ident(float)    ident(b)
;       }       ;       BUFFER  number(0)       ;       MACRO   ident(light)    ident(N)        ,       ident(L)
=       ident(dot)      (       ident(N)        ,       ident(L)        )       *       ident(someVal)  *       ident(so
meColor)        ;       FUNC    ident(light)    IN      ident(float3)   ident(N)        ,       ident(float3)   ident(L)
        ,       OUT     ident(float)    ident(factor)   {       ident(factor)   =       ident(dot)      (       ident(N)
        ,       ident(L)        )       ;       }
<memory>(3:1): error USL1006: unexpected token
<memory>(4:2): error USL1006: unexpected token
<memory>(4:9): error USL1006: unexpected token
<memory>(4:10): error USL1006: unexpected token
<memory>(5:2): error USL1006: unexpected token
<memory>(5:8): error USL1006: unexpected token
<memory>(5:9): error USL1006: unexpected token
<memory>(6:1): error USL1006: unexpected token
<memory>(6:2): error USL1006: unexpected token
<memory>(8:9): error USL1006: unexpected token
<memory>(10:13): error USL1006: unexpected token
<memory>(10:14): error USL1006: unexpected token
<memory>(10:16): error USL1006: unexpected token
<memory>(10:18): error USL1006: unexpected token
<memory>(10:20): error USL1006: unexpected token
<memory>(10:23): error USL1006: unexpected token
<memory>(10:24): error USL1006: unexpected token
<memory>(10:25): error USL1006: unexpected token
<memory>(10:26): error USL1006: unexpected token
<memory>(10:27): error USL1006: unexpected token
<memory>(10:29): error USL1006: unexpected token
<memory>(10:31): error USL1006: unexpected token
<memory>(10:39): error USL1006: unexpected token
<memory>(10:41): error USL1006: unexpected token
<memory>(10:50): error USL1006: unexpected token
<memory>(13:2): error USL1006: unexpected token
<memory>(13:5): error USL1006: unexpected token
<memory>(13:12): error USL1006: unexpected token
<memory>(13:13): error USL1006: unexpected token
<memory>(13:15): error USL1006: unexpected token
<memory>(13:22): error USL1006: unexpected token
<memory>(13:23): error USL1006: unexpected token
<memory>(14:2): error USL1006: unexpected token
<memory>(14:6): error USL1006: unexpected token
<memory>(14:12): error USL1006: unexpected token
<memory>(15:1): error USL1006: unexpected token
<memory>(16:2): error USL1006: unexpected token
<memory>(16:9): error USL1006: unexpected token
<memory>(16:11): error USL1006: unexpected token
<memory>(16:14): error USL1006: unexpected token
<memory>(16:16): error USL1006: unexpected token
<memory>(16:17): error USL1006: unexpected token
<memory>(16:19): error USL1006: unexpected token
<memory>(16:21): error USL1006: unexpected token
<memory>(16:22): error USL1006: unexpected token
<memory>(18:1): error USL1006: unexpected token
- structs -
<<< someStruct >>>
- macros -
- functions -
<<< light >>>
> IN
> OUT