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Unpacking vector / swizzle notation #212

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merged 5 commits into from May 22, 2016

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commented May 22, 2016 •
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Closes #209

This PR adds unpacking vector / swizzle notation.

Example:

f(x: f64, y: f64) = { ... }

v := (1, 2)
u := f(xy v) // take `x` and `y` from `v`

Another example:

a := (1, 2)
b := (yx a,) // swap `x` and `y`

For more information, see #213.

bvssvni added some commits May 22, 2016

@bvssvni
Swizzle for vec4 
- Allow `(2,)` as vec4 syntax to use `(xyzw v,)`
- Resolve locals for vec4 by taking into account swizzles
- Added `ast::Swizzle`
- Skip evaluating expressions in vec4 if swizzling pushes arguments
e744906
@bvssvni
Swizzle for call
f77b276
@bvssvni
Take swizzling into account when checking lifetime 
- Added “syntax/lifetime_11.dyon”
b303e14
@bvssvni
Type check swizzle 
- Added “typechk/call_3.dyon”
- Added “typechk/call_4.dyon”
92c6703
@bvssvni
Type check vec4 
- Added “typechk/vec4.dyon”
8908b22

@bvssvni bvssvni changed the title Unpacking vector / swizzling notation Unpacking vector / swizzle notation May 22, 2016

@bvssvni bvssvni merged commit 394017c into PistonDevelopers:master May 22, 2016

@bvssvni bvssvni deleted the bvssvni:swizzle branch May 22, 2016

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