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40f3cbe1e3
ebiten/internal/shader/syntax_test.go
Hajime Hoshi 820c996329 internal/shader: bug fix: wrong lhs in an assignment 
Closes #2910
2024-02-15 02:29:21 +09:00

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// Copyright 2022 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package shader_test
import (
"fmt"
"strings"
"testing"
"github.com/hajimehoshi/ebiten/v2/internal/shader"
"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
)
func compileToIR(src []byte) (*shaderir.Program, error) {
return shader.Compile(src, "Vertex", "Fragment", 0)
}
func TestSyntaxShadowing(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var dstPos vec4
return dstPos
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxDuplicatedVariables(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var foo vec4
var foo vec4
return foo
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var foo, foo vec4
return foo
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var foo vec4
foo := vec4(0)
return foo
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (vec4, vec4) {
return vec4(0), vec4(0)
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
foo, foo := Foo()
return foo
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func foo() {
var x int
var y float
var x vec2
_ = x
_ = y
}
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
func TestSyntaxDuplicatedFunctions(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo() {
}
func Foo() {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxNoNewVariables(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_ := 1
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_, _ := 1, 1
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (int, int) {
return 1, 1
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_, _ := Foo()
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a, _ := 1, 1
_ = a
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_, a := 1, 1
_ = a
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
}
func TestSyntaxWrongReturn(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return 0.0
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (float, float) {
return 0
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() float {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxMultipleValueReturn(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo() (float, float) {
return 0.0
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() float {
return 0.0, 0.0
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (float, float, float) {
return 0.0, 0.0
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (float, float) {
return 0.0, 0.0
}
func Foo2() (float, float, float) {
return Foo()
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (float, float, float) {
return 0.0, 0.0, 0.0
}
func Foo2() (float, float, float) {
return Foo()
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0.0)
}
`)); err != nil {
t.Error(err)
}
}
func TestSyntaxInit(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func init() {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxUnsupportedSyntax(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := func() {
}
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
go func() {
}()
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
ch := make(chan int)
_ = ch
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := 1i
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x [4]float
y := x[1:2]
_ = y
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x [4]float
y := x[1:2:3]
_ = y
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxForbidAssigningSpecialVariables(t *testing.T) {
if _, err := compileToIR([]byte(`package main
var U vec4
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
U = vec4(0)
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
var U vec4
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
U.x = 0
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
var U [2]vec4
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
U[0] = vec4(0)
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
srcPos = vec2(0)
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
srcPos.x = 0
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxBoolLiteral(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
true := vec4(0)
return true
}
`)); err != nil {
t.Error(err)
}
}
func TestSyntaxUnusedVariable(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := 0
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := 0
x = 1
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := vec4(0)
x.x = 1
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
// Increment statement treats a variable 'used'.
// https://go.dev/play/p/2RuYMrSLjt3
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := 0
x++
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var a int
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var a, b int
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
// Issue #2848
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var floats [4]float
for i := 0; i < 3; i++ {
j := i + 1
floats[j] = float(i)
}
return vec4(floats[0], floats[1], floats[2], floats[3])
}
`)); err != nil {
t.Error(err)
}
}
func TestSyntaxBlankLhs(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := _
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x int = _
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := 1
x = _
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
x := 1 + _
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_++
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_ += 1
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
_.x = 1
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxDuplicatedVarsAndConstants(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var a = 0
const a = 0
_ = a
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
const a = 0
var a = 0
_ = a
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
const a = 0
const a = 0
_ = a
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
const U0 = 0
var U0 float
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(a)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
var U0 float
const U0 = 0
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return vec4(a)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxUnmatchedArgs(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo() {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo(1)
return dstPos
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo(x float) {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo()
return dstPos
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo(x, y float) {
}
func Bar() (float, float, float) {
return 0, 1
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo(Bar())
return dstPos
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo(x, y, z float) {
}
func Bar() (float, float) {
return 0, 1
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo(Bar())
return dstPos
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #1898
func TestSyntaxMeaninglessSentence(t *testing.T) {
if _, err := compileToIR([]byte(`package main
var Time float
var ScreenSize vec2
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
dstPos
return dstPos
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
var Time float
var ScreenSize vec2
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
vec2(dstPos)
return dstPos
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #1947
func TestSyntaxOperatorMod(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2.0 % 0.5
_ = a
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
// If both are constants, both must be an integer!
a := 2.0 % 1.0
_ = a
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := int(2) % 0.5
_ = a
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := int(2) % 1.0
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2.0
b := 0.5
_ = a % b
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2
b := 0.5
_ = a % b
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2.5
b := 1
_ = a % b
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2
b := 1
_ = a % b
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2
_ = a % 1
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
// If only one of two is a consntant, the constant can be a float.
a := 2
_ = a % 1.0
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1
_ = 2 % a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
// If only one of two is a consntant, the constant can be a float.
a := 1
_ = 2.0 % a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2
a %= 1
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2
a %= 1.0
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2
a %= 0.5
_ = a
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 2.0
a %= 1
_ = a
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
func TestSyntaxOperatorAssign(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1.0
a += 2
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1.0
a += 2.0
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1.0
a += 2.1
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1
a += 2
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1
a += 2.0
_ = a
return vec4(0)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := 1
a += 2.1
_ = a
return vec4(0)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x float = true
_ = x
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x bool = true
_ = x
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x int = 1.0
_ = x
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
}
// Issue #1963
func TestSyntaxOperatorVecAndNumber(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1) + 2
return a.xxyy
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1) + 2
return vec4(a.xxyy)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1) + 2.1
return a.xxyy
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1) + 2.1
return vec4(a.xxyy)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1) % 2
return a.xxyy
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1) % 2
return vec4(a.xxyy)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1) % 2.1
return a.xxyy
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1) % 2.1
return vec4(a.xxyy)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1)
a += 2
return a.xxyy
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1)
a += 2
return vec4(a.xxyy)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1)
a += 2.1
return a.xxyy
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1)
a += 2.1
return vec4(a.xxyy)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1)
a %= 2
return a.xxyy
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1)
a %= 2
return vec4(a.xxyy)
}`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := vec2(1)
a %= 2.1
return a.xxyy
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
a := ivec2(1)
a %= 2.1
return vec4(a.xxyy)
}`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #1971
func TestSyntaxOperatorMultiply(t *testing.T) {
// Note: mat + float is allowed in GLSL but not in Metal.
cases := []struct {
stmt string
err bool
}{
{stmt: "a := 1 * vec2(2); _ = a", err: false},
{stmt: "a := int(1) * vec2(2); _ = a", err: true},
{stmt: "a := 1.0 * vec2(2); _ = a", err: false},
{stmt: "a := 1.1 * vec2(2); _ = a", err: false},
{stmt: "a := 1 + vec2(2); _ = a", err: false},
{stmt: "a := int(1) + vec2(2); _ = a", err: true},
{stmt: "a := 1.0 / vec2(2); _ = a", err: false},
{stmt: "a := 1.1 / vec2(2); _ = a", err: false},
{stmt: "a := 1.0 + vec2(2); _ = a", err: false},
{stmt: "a := 1.1 + vec2(2); _ = a", err: false},
{stmt: "a := 1 * vec3(2); _ = a", err: false},
{stmt: "a := 1.0 * vec3(2); _ = a", err: false},
{stmt: "a := 1.1 * vec3(2); _ = a", err: false},
{stmt: "a := 1 * vec4(2); _ = a", err: false},
{stmt: "a := 1.0 * vec4(2); _ = a", err: false},
{stmt: "a := 1.1 * vec4(2); _ = a", err: false},
{stmt: "a := 1 * ivec2(2); _ = a", err: false},
{stmt: "a := int(1) * ivec2(2); _ = a", err: false},
{stmt: "a := 1.0 * ivec2(2); _ = a", err: false},
{stmt: "a := 1.1 * ivec2(2); _ = a", err: true},
{stmt: "a := 1 + ivec2(2); _ = a", err: false},
{stmt: "a := int(1) + ivec2(2); _ = a", err: false},
{stmt: "a := 1.0 / ivec2(2); _ = a", err: false},
{stmt: "a := 1.1 / ivec2(2); _ = a", err: true},
{stmt: "a := 1.0 + ivec2(2); _ = a", err: false},
{stmt: "a := 1.1 + ivec2(2); _ = a", err: true},
{stmt: "a := 1 * ivec3(2); _ = a", err: false},
{stmt: "a := 1.0 * ivec3(2); _ = a", err: false},
{stmt: "a := 1.1 * ivec3(2); _ = a", err: true},
{stmt: "a := 1 * ivec4(2); _ = a", err: false},
{stmt: "a := 1.0 * ivec4(2); _ = a", err: false},
{stmt: "a := 1.1 * ivec4(2); _ = a", err: true},
{stmt: "a := 1 * mat2(2); _ = a", err: false},
{stmt: "a := 1.0 * mat2(2); _ = a", err: false},
{stmt: "a := float(1.0) / mat2(2); _ = a", err: true},
{stmt: "a := 1.0 / mat2(2); _ = a", err: true},
{stmt: "a := float(1.0) + mat2(2); _ = a", err: true},
{stmt: "a := 1.0 + mat2(2); _ = a", err: true},
{stmt: "a := 1 * mat3(2); _ = a", err: false},
{stmt: "a := 1.0 * mat3(2); _ = a", err: false},
{stmt: "a := 1 * mat4(2); _ = a", err: false},
{stmt: "a := 1.0 * mat4(2); _ = a", err: false},
{stmt: "a := vec2(1) * 2; _ = a", err: false},
{stmt: "a := vec2(1) * 2.0; _ = a", err: false},
{stmt: "a := vec2(1) * 2.1; _ = a", err: false},
{stmt: "a := vec2(1) / 2.0; _ = a", err: false},
{stmt: "a := vec2(1) / 2.1; _ = a", err: false},
{stmt: "a := vec2(1) + 2.0; _ = a", err: false},
{stmt: "a := vec2(1) + 2.1; _ = a", err: false},
{stmt: "a := vec2(1) * int(2); _ = a", err: true},
{stmt: "a := vec2(1) * vec2(2); _ = a", err: false},
{stmt: "a := vec2(1) + vec2(2); _ = a", err: false},
{stmt: "a := vec2(1) * vec3(2); _ = a", err: true},
{stmt: "a := vec2(1) * vec4(2); _ = a", err: true},
{stmt: "a := vec2(1) * ivec2(2); _ = a", err: true},
{stmt: "a := vec2(1) + ivec2(2); _ = a", err: true},
{stmt: "a := vec2(1) * ivec3(2); _ = a", err: true},
{stmt: "a := vec2(1) * ivec4(2); _ = a", err: true},
{stmt: "a := vec2(1) * mat2(2); _ = a", err: false},
{stmt: "a := vec2(1) + mat2(2); _ = a", err: true},
{stmt: "a := vec2(1) * mat3(2); _ = a", err: true},
{stmt: "a := vec2(1) * mat4(2); _ = a", err: true},
{stmt: "a := ivec2(1) * 2; _ = a", err: false},
{stmt: "a := ivec2(1) * 2.0; _ = a", err: false},
{stmt: "a := ivec2(1) * 2.1; _ = a", err: true},
{stmt: "a := ivec2(1) / 2.0; _ = a", err: false},
{stmt: "a := ivec2(1) / 2.1; _ = a", err: true},
{stmt: "a := ivec2(1) + 2.0; _ = a", err: false},
{stmt: "a := ivec2(1) + 2.1; _ = a", err: true},
{stmt: "a := ivec2(1) * int(2); _ = a", err: false},
{stmt: "a := ivec2(1) * vec2(2); _ = a", err: true},
{stmt: "a := ivec2(1) + vec2(2); _ = a", err: true},
{stmt: "a := ivec2(1) * vec3(2); _ = a", err: true},
{stmt: "a := ivec2(1) * vec4(2); _ = a", err: true},
{stmt: "a := ivec2(1) * ivec2(2); _ = a", err: false},
{stmt: "a := ivec2(1) + ivec2(2); _ = a", err: false},
{stmt: "a := ivec2(1) * ivec3(2); _ = a", err: true},
{stmt: "a := ivec2(1) * ivec4(2); _ = a", err: true},
{stmt: "a := ivec2(1) * mat2(2); _ = a", err: true},
{stmt: "a := ivec2(1) + mat2(2); _ = a", err: true},
{stmt: "a := ivec2(1) * mat3(2); _ = a", err: true},
{stmt: "a := ivec2(1) * mat4(2); _ = a", err: true},
{stmt: "a := mat2(1) * 2; _ = a", err: false},
{stmt: "a := mat2(1) * 2.0; _ = a", err: false},
{stmt: "a := mat2(1) * 2.1; _ = a", err: false},
{stmt: "a := mat2(1) / 2.0; _ = a", err: false},
{stmt: "a := mat2(1) / 2.1; _ = a", err: false},
{stmt: "a := mat2(1) / float(2); _ = a", err: false},
{stmt: "a := mat2(1) * int(2); _ = a", err: true},
{stmt: "a := mat2(1) + 2.0; _ = a", err: true},
{stmt: "a := mat2(1) + 2.1; _ = a", err: true},
{stmt: "a := mat2(1) + float(2); _ = a", err: true},
{stmt: "a := mat2(1) * vec2(2); _ = a", err: false},
{stmt: "a := mat2(1) + vec2(2); _ = a", err: true},
{stmt: "a := mat2(1) * vec3(2); _ = a", err: true},
{stmt: "a := mat2(1) * vec4(2); _ = a", err: true},
{stmt: "a := mat2(1) * ivec2(2); _ = a", err: true},
{stmt: "a := mat2(1) + ivec2(2); _ = a", err: true},
{stmt: "a := mat2(1) * ivec3(2); _ = a", err: true},
{stmt: "a := mat2(1) * ivec4(2); _ = a", err: true},
{stmt: "a := mat2(1) * mat2(2); _ = a", err: false},
{stmt: "a := mat2(1) / mat2(2); _ = a", err: true},
{stmt: "a := mat2(1) * mat3(2); _ = a", err: true},
{stmt: "a := mat2(1) * mat4(2); _ = a", err: true},
}
for _, c := range cases {
_, err := compileToIR([]byte(fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, c.stmt)))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", c.stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
}
}
}
// Issue #1971
func TestSyntaxOperatorMultiplyAssign(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := 1.0; a *= 2", err: false},
{stmt: "a := 1.0; a *= 2.0", err: false},
{stmt: "const c = 2; a := 1.0; a *= c", err: false},
{stmt: "const c = 2.0; a := 1.0; a *= c", err: false},
{stmt: "const c int = 2; a := 1.0; a *= c", err: true},
{stmt: "const c int = 2.0; a := 1.0; a *= c", err: true},
{stmt: "const c float = 2; a := 1.0; a *= c", err: false},
{stmt: "const c float = 2.0; a := 1.0; a *= c", err: false},
{stmt: "a := 1.0; a *= int(2)", err: true},
{stmt: "a := 1.0; a *= vec2(2)", err: true},
{stmt: "a := 1.0; a *= vec3(2)", err: true},
{stmt: "a := 1.0; a *= vec4(2)", err: true},
{stmt: "a := 1.0; a *= ivec2(2)", err: true},
{stmt: "a := 1.0; a *= ivec3(2)", err: true},
{stmt: "a := 1.0; a *= ivec4(2)", err: true},
{stmt: "a := 1.0; a *= mat2(2)", err: true},
{stmt: "a := 1.0; a *= mat3(2)", err: true},
{stmt: "a := 1.0; a *= mat4(2)", err: true},
{stmt: "a := vec2(1); a *= 2", err: false},
{stmt: "a := vec2(1); a *= 2.0", err: false},
{stmt: "const c = 2; a := vec2(1); a *= c", err: false},
{stmt: "const c = 2.0; a := vec2(1); a *= c", err: false},
{stmt: "const c int = 2; a := vec2(1); a *= c", err: true},
{stmt: "const c int = 2.0; a := vec2(1); a *= c", err: true},
{stmt: "const c float = 2; a := vec2(1); a *= c", err: false},
{stmt: "const c float = 2.0; a := vec2(1); a *= c", err: false},
{stmt: "a := vec2(1); a /= 2.0", err: false},
{stmt: "a := vec2(1); a += 2.0", err: false},
{stmt: "a := vec2(1); a *= int(2)", err: true},
{stmt: "a := vec2(1); a *= float(2)", err: false},
{stmt: "a := vec2(1); a /= float(2)", err: false},
{stmt: "a := vec2(1); a *= vec2(2)", err: false},
{stmt: "a := vec2(1); a += vec2(2)", err: false},
{stmt: "a := vec2(1); a *= vec3(2)", err: true},
{stmt: "a := vec2(1); a *= vec4(2)", err: true},
{stmt: "a := vec2(1); a *= ivec2(2)", err: true},
{stmt: "a := vec2(1); a += ivec2(2)", err: true},
{stmt: "a := vec2(1); a *= ivec3(2)", err: true},
{stmt: "a := vec2(1); a *= ivec4(2)", err: true},
{stmt: "a := vec2(1); a *= mat2(2)", err: false},
{stmt: "a := vec2(1); a += mat2(2)", err: true},
{stmt: "a := vec2(1); a /= mat2(2)", err: true},
{stmt: "a := vec2(1); a *= mat3(2)", err: true},
{stmt: "a := vec2(1); a *= mat4(2)", err: true},
{stmt: "a := ivec2(1); a *= 2", err: false},
{stmt: "a := ivec2(1); a *= 2.0", err: false},
{stmt: "const c = 2; a := ivec2(1); a *= c", err: false},
{stmt: "const c = 2.0; a := ivec2(1); a *= c", err: false},
{stmt: "const c int = 2; a := ivec2(1); a *= c", err: false},
{stmt: "const c int = 2.0; a := ivec2(1); a *= c", err: false},
{stmt: "const c float = 2; a := ivec2(1); a *= c", err: true},
{stmt: "const c float = 2.0; a := ivec2(1); a *= c", err: true},
{stmt: "a := ivec2(1); a /= 2.0", err: false},
{stmt: "a := ivec2(1); a += 2.0", err: false},
{stmt: "a := ivec2(1); a *= int(2)", err: false},
{stmt: "a := ivec2(1); a *= float(2)", err: true},
{stmt: "a := ivec2(1); a /= float(2)", err: true},
{stmt: "a := ivec2(1); a *= vec2(2)", err: true},
{stmt: "a := ivec2(1); a += vec2(2)", err: true},
{stmt: "a := ivec2(1); a *= vec3(2)", err: true},
{stmt: "a := ivec2(1); a *= vec4(2)", err: true},
{stmt: "a := ivec2(1); a *= ivec2(2)", err: false},
{stmt: "a := ivec2(1); a += ivec2(2)", err: false},
{stmt: "a := ivec2(1); a *= ivec3(2)", err: true},
{stmt: "a := ivec2(1); a *= ivec4(2)", err: true},
{stmt: "a := ivec2(1); a *= mat2(2)", err: true},
{stmt: "a := ivec2(1); a += mat2(2)", err: true},
{stmt: "a := ivec2(1); a /= mat2(2)", err: true},
{stmt: "a := ivec2(1); a *= mat3(2)", err: true},
{stmt: "a := ivec2(1); a *= mat4(2)", err: true},
{stmt: "a := mat2(1); a *= 2", err: false},
{stmt: "a := mat2(1); a *= 2.0", err: false},
{stmt: "const c = 2; a := mat2(1); a *= c", err: false},
{stmt: "const c = 2.0; a := mat2(1); a *= c", err: false},
{stmt: "const c int = 2; a := mat2(1); a *= c", err: true},
{stmt: "const c int = 2.0; a := mat2(1); a *= c", err: true},
{stmt: "const c float = 2; a := mat2(1); a *= c", err: false},
{stmt: "const c float = 2.0; a := mat2(1); a *= c", err: false},
{stmt: "a := mat2(1); a /= 2.0", err: false},
{stmt: "a := mat2(1); a += 2.0", err: true},
{stmt: "a := mat2(1); a *= int(2)", err: true},
{stmt: "a := mat2(1); a *= float(2)", err: false},
{stmt: "a := mat2(1); a /= float(2)", err: false},
{stmt: "a := mat2(1); a *= vec2(2)", err: true},
{stmt: "a := mat2(1); a += vec2(2)", err: true},
{stmt: "a := mat2(1); a *= vec3(2)", err: true},
{stmt: "a := mat2(1); a *= vec4(2)", err: true},
{stmt: "a := mat2(1); a *= ivec2(2)", err: true},
{stmt: "a := mat2(1); a += ivec2(2)", err: true},
{stmt: "a := mat2(1); a *= ivec3(2)", err: true},
{stmt: "a := mat2(1); a *= ivec4(2)", err: true},
{stmt: "a := mat2(1); a *= mat2(2)", err: false},
{stmt: "a := mat2(1); a += mat2(2)", err: false},
{stmt: "a := mat2(1); a /= mat2(2)", err: true},
{stmt: "a := mat2(1); a *= mat3(2)", err: true},
{stmt: "a := mat2(1); a *= mat4(2)", err: true},
}
for _, c := range cases {
_, err := compileToIR([]byte(fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, c.stmt)))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", c.stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
}
}
}
// Issue #2754
func TestSyntaxBitwiseOperatorAssign(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := 1; a &= 2", err: false},
{stmt: "a := 1; a &= 2.0", err: false},
{stmt: "const c = 2; a := 1; a &= c", err: false},
{stmt: "const c = 2.0; a := 1; a &= c", err: false},
{stmt: "const c int = 2; a := 1; a &= c", err: false},
{stmt: "const c int = 2.0; a := 1; a &= c", err: false},
{stmt: "const c float = 2; a := 1; a &= c", err: true},
{stmt: "const c float = 2.0; a := 1; a &= c", err: true},
{stmt: "a := 1; a &= int(2)", err: false},
{stmt: "a := 1; a &= vec2(2)", err: true},
{stmt: "a := 1; a &= vec3(2)", err: true},
{stmt: "a := 1; a &= vec4(2)", err: true},
{stmt: "a := 1; a &= ivec2(2)", err: true},
{stmt: "a := 1; a &= ivec3(2)", err: true},
{stmt: "a := 1; a &= ivec4(2)", err: true},
{stmt: "a := 1; a &= mat2(2)", err: true},
{stmt: "a := 1; a &= mat3(2)", err: true},
{stmt: "a := 1; a &= mat4(2)", err: true},
{stmt: "a := 1.0; a &= 2", err: true},
{stmt: "a := ivec2(1); a &= 2", err: false},
{stmt: "a := ivec2(1); a &= ivec2(1)", err: false},
{stmt: "a := ivec2(1); a &= ivec3(1)", err: true},
{stmt: "a := ivec2(1); a &= ivec4(1)", err: true},
{stmt: "a := vec2(1); a &= 2", err: true},
{stmt: "a := vec2(1); a &= vec2(2)", err: true},
{stmt: "a := mat2(1); a &= 2", err: true},
{stmt: "a := mat2(1); a &= mat2(2)", err: true},
{stmt: "a := 1; a |= 2", err: false},
{stmt: "a := 1; a |= 2.0", err: false},
{stmt: "const c = 2; a := 1; a |= c", err: false},
{stmt: "const c = 2.0; a := 1; a |= c", err: false},
{stmt: "const c int = 2; a := 1; a |= c", err: false},
{stmt: "const c int = 2.0; a := 1; a |= c", err: false},
{stmt: "const c float = 2; a := 1; a |= c", err: true},
{stmt: "const c float = 2.0; a := 1; a |= c", err: true},
{stmt: "a := 1; a |= int(2)", err: false},
{stmt: "a := 1; a |= vec2(2)", err: true},
{stmt: "a := 1; a |= vec3(2)", err: true},
{stmt: "a := 1; a |= vec4(2)", err: true},
{stmt: "a := 1; a |= ivec2(2)", err: true},
{stmt: "a := 1; a |= ivec3(2)", err: true},
{stmt: "a := 1; a |= ivec4(2)", err: true},
{stmt: "a := 1; a |= mat2(2)", err: true},
{stmt: "a := 1; a |= mat3(2)", err: true},
{stmt: "a := 1; a |= mat4(2)", err: true},
{stmt: "a := 1.0; a |= 2", err: true},
{stmt: "a := ivec2(1); a |= 2", err: false},
{stmt: "a := ivec2(1); a |= ivec2(1)", err: false},
{stmt: "a := ivec2(1); a |= ivec3(1)", err: true},
{stmt: "a := ivec2(1); a |= ivec4(1)", err: true},
{stmt: "a := vec2(1); a |= 2", err: true},
{stmt: "a := vec2(1); a |= vec2(2)", err: true},
{stmt: "a := mat2(1); a |= 2", err: true},
{stmt: "a := mat2(1); a |= mat2(2)", err: true},
{stmt: "a := 1; a ^= 2", err: false},
{stmt: "a := 1; a ^= 2.0", err: false},
{stmt: "const c = 2; a := 1; a ^= c", err: false},
{stmt: "const c = 2.0; a := 1; a ^= c", err: false},
{stmt: "const c int = 2; a := 1; a ^= c", err: false},
{stmt: "const c int = 2.0; a := 1; a ^= c", err: false},
{stmt: "const c float = 2; a := 1; a ^= c", err: true},
{stmt: "const c float = 2.0; a := 1; a ^= c", err: true},
{stmt: "a := 1; a ^= int(2)", err: false},
{stmt: "a := 1; a ^= vec2(2)", err: true},
{stmt: "a := 1; a ^= vec3(2)", err: true},
{stmt: "a := 1; a ^= vec4(2)", err: true},
{stmt: "a := 1; a ^= ivec2(2)", err: true},
{stmt: "a := 1; a ^= ivec3(2)", err: true},
{stmt: "a := 1; a ^= ivec4(2)", err: true},
{stmt: "a := 1; a ^= mat2(2)", err: true},
{stmt: "a := 1; a ^= mat3(2)", err: true},
{stmt: "a := 1; a ^= mat4(2)", err: true},
{stmt: "a := 1.0; a ^= 2", err: true},
{stmt: "a := ivec2(1); a ^= 2", err: false},
{stmt: "a := ivec2(1); a ^= ivec2(1)", err: false},
{stmt: "a := ivec2(1); a ^= ivec3(1)", err: true},
{stmt: "a := ivec2(1); a ^= ivec4(1)", err: true},
{stmt: "a := vec2(1); a ^= 2", err: true},
{stmt: "a := vec2(1); a ^= vec2(2)", err: true},
{stmt: "a := mat2(1); a ^= 2", err: true},
{stmt: "a := mat2(1); a ^= mat2(2)", err: true},
}
for _, c := range cases {
_, err := compileToIR([]byte(fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, c.stmt)))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", c.stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
}
}
}
func TestSyntaxAtan(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
// `atan` takes 1 argument.
{stmt: "_ = atan(vec4(0))", err: false},
{stmt: "_ = atan(vec4(0), vec4(0))", err: true},
// `atan2` takes 2 arguments.
{stmt: "_ = atan2(vec4(0))", err: true},
{stmt: "_ = atan2(vec4(0), vec4(0))", err: false},
}
for _, c := range cases {
_, err := compileToIR([]byte(fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, c.stmt)))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", c.stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
}
}
}
// Issue #1972
func TestSyntaxType(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x vec2 = vec3(0)
_ = x
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x, y vec2 = vec2(0), vec3(0)
_, _ = x, y
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x vec2
x = vec3(0)
_ = x
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x, y vec2
x, y = vec2(0), vec3(0)
_ = x
_ = y
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x vec2
x = 0
_ = x
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (vec3, vec3) {
return vec3(0), vec3(1)
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x, y vec2 = Foo()
_ = x
_ = y
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (vec3, vec3) {
return vec3(0), vec3(1)
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x, y vec2
x, y = Foo()
_ = x
_ = y
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #1972
func TestSyntaxTypeBlankVar(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var _ vec2 = vec3(0)
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var _, _ vec2 = vec2(0), vec3(0)
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo() (vec3, vec3) {
return vec3(0), vec3(1)
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var _, _ vec2 = Foo()
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #2032
func TestSyntaxTypeFuncCall(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo(x vec2) {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo(0)
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo(x vec2, y vec3) {
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo(0, 1)
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
if _, err := compileToIR([]byte(`package main
func Foo(x vec2, y vec3) {
}
func Bar() (int, int) {
return 0, 1
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
Foo(Bar())
return color
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #2184
func TestSyntaxConstructorFuncType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := bool(false); _ = a", err: false},
{stmt: "i := false; a := bool(i); _ = a", err: false},
{stmt: "a := bool(1); _ = a", err: true},
{stmt: "a := bool(1.0); _ = a", err: true},
{stmt: "a := bool(); _ = a", err: true},
{stmt: "a := bool(false, true); _ = a", err: true},
{stmt: "a := int(1); _ = a", err: false},
{stmt: "a := int(1.0); _ = a", err: false},
{stmt: "i := 1; a := int(i); _ = a", err: false},
{stmt: "i := 1.0; a := int(i); _ = a", err: false},
{stmt: "i := 1.1; a := int(i); _ = a", err: false},
{stmt: "a := int(1.1); _ = a", err: true},
{stmt: "a := int(false); _ = a", err: true},
{stmt: "a := int(); _ = a", err: true},
{stmt: "a := int(1, 2); _ = a", err: true},
{stmt: "a := float(1); _ = a", err: false},
{stmt: "a := float(1.0); _ = a", err: false},
{stmt: "a := float(1.1); _ = a", err: false},
{stmt: "i := 1; a := float(i); _ = a", err: false},
{stmt: "i := 1.0; a := float(i); _ = a", err: false},
{stmt: "i := 1.1; a := float(i); _ = a", err: false},
{stmt: "a := float(false); _ = a", err: true},
{stmt: "a := float(); _ = a", err: true},
{stmt: "a := float(1, 2); _ = a", err: true},
{stmt: "a := vec2(1); _ = a", err: false},
{stmt: "a := vec2(1.0); _ = a", err: false},
{stmt: "i := 1; a := vec2(i); _ = a", err: true},
{stmt: "i := 1.0; a := vec2(i); _ = a", err: false},
{stmt: "a := vec2(vec2(1)); _ = a", err: false},
{stmt: "a := vec2(vec3(1)); _ = a", err: true},
{stmt: "a := vec2(ivec2(1)); _ = a", err: false},
{stmt: "a := vec2(ivec3(1)); _ = a", err: true},
{stmt: "a := vec2(1, 1); _ = a", err: false},
{stmt: "a := vec2(1.0, 1.0); _ = a", err: false},
{stmt: "a := vec2(1.1, 1.1); _ = a", err: false},
{stmt: "i := 1; a := vec2(i, i); _ = a", err: true},
{stmt: "i := 1.0; a := vec2(i, i); _ = a", err: false},
{stmt: "a := vec2(vec2(1), 1); _ = a", err: true},
{stmt: "a := vec2(1, vec2(1)); _ = a", err: true},
{stmt: "a := vec2(vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := vec2(1, 1, 1); _ = a", err: true},
{stmt: "a := vec3(1); _ = a", err: false},
{stmt: "a := vec3(1.0); _ = a", err: false},
{stmt: "a := vec3(1.1); _ = a", err: false},
{stmt: "i := 1; a := vec3(i); _ = a", err: true},
{stmt: "i := 1.0; a := vec3(i); _ = a", err: false},
{stmt: "a := vec3(vec3(1)); _ = a", err: false},
{stmt: "a := vec3(vec2(1)); _ = a", err: true},
{stmt: "a := vec3(vec4(1)); _ = a", err: true},
{stmt: "a := vec3(ivec3(1)); _ = a", err: false},
{stmt: "a := vec3(ivec2(1)); _ = a", err: true},
{stmt: "a := vec3(ivec4(1)); _ = a", err: true},
{stmt: "a := vec3(1, 1, 1); _ = a", err: false},
{stmt: "a := vec3(1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "a := vec3(1.1, 1.1, 1.1); _ = a", err: false},
{stmt: "i := 1; a := vec3(i, i, i); _ = a", err: true},
{stmt: "i := 1.0; a := vec3(i, i, i); _ = a", err: false},
{stmt: "a := vec3(vec2(1), 1); _ = a", err: false},
{stmt: "a := vec3(1, vec2(1)); _ = a", err: false},
{stmt: "a := vec3(ivec2(1), 1); _ = a", err: true},
{stmt: "a := vec3(1, ivec2(1)); _ = a", err: true},
{stmt: "a := vec3(vec3(1), 1); _ = a", err: true},
{stmt: "a := vec3(1, vec3(1)); _ = a", err: true},
{stmt: "a := vec3(vec3(1), vec3(1), vec3(1)); _ = a", err: true},
{stmt: "a := vec3(1, 1, 1, 1); _ = a", err: true},
{stmt: "a := vec4(1); _ = a", err: false},
{stmt: "a := vec4(1.0); _ = a", err: false},
{stmt: "i := 1; a := vec4(i); _ = a", err: true},
{stmt: "i := 1.0; a := vec4(i); _ = a", err: false},
{stmt: "a := vec4(vec4(1)); _ = a", err: false},
{stmt: "a := vec4(vec2(1)); _ = a", err: true},
{stmt: "a := vec4(vec3(1)); _ = a", err: true},
{stmt: "a := vec4(ivec4(1)); _ = a", err: false},
{stmt: "a := vec4(ivec2(1)); _ = a", err: true},
{stmt: "a := vec4(ivec3(1)); _ = a", err: true},
{stmt: "a := vec4(1, 1, 1, 1); _ = a", err: false},
{stmt: "a := vec4(1.0, 1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "a := vec4(1.1, 1.1, 1.1, 1.1); _ = a", err: false},
{stmt: "i := 1; a := vec4(i, i, i, i); _ = a", err: true},
{stmt: "i := 1.0; a := vec4(i, i, i, i); _ = a", err: false},
{stmt: "a := vec4(vec2(1), 1, 1); _ = a", err: false},
{stmt: "a := vec4(1, vec2(1), 1); _ = a", err: false},
{stmt: "a := vec4(ivec2(1), 1, 1); _ = a", err: true},
{stmt: "a := vec4(1, ivec2(1), 1); _ = a", err: true},
{stmt: "a := vec4(1, 1, vec2(1)); _ = a", err: false},
{stmt: "a := vec4(vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := vec4(ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := vec4(vec3(1), 1); _ = a", err: false},
{stmt: "a := vec4(1, vec3(1)); _ = a", err: false},
{stmt: "a := vec4(ivec3(1), 1); _ = a", err: true},
{stmt: "a := vec4(1, ivec3(1)); _ = a", err: true},
{stmt: "a := vec4(vec4(1), 1); _ = a", err: true},
{stmt: "a := vec4(1, vec4(1)); _ = a", err: true},
{stmt: "a := vec4(vec4(1), vec4(1), vec4(1), vec4(1)); _ = a", err: true},
{stmt: "a := vec4(1, 1, 1, 1, 1); _ = a", err: true},
{stmt: "a := ivec2(1); _ = a", err: false},
{stmt: "a := ivec2(1.0); _ = a", err: false},
{stmt: "i := 1; a := ivec2(i); _ = a", err: false},
{stmt: "i := 1.0; a := ivec2(i); _ = a", err: true},
{stmt: "a := ivec2(vec2(1)); _ = a", err: false},
{stmt: "a := ivec2(vec3(1)); _ = a", err: true},
{stmt: "a := ivec2(ivec2(1)); _ = a", err: false},
{stmt: "a := ivec2(ivec3(1)); _ = a", err: true},
{stmt: "a := ivec2(1, 1); _ = a", err: false},
{stmt: "a := ivec2(1.0, 1.0); _ = a", err: false},
{stmt: "i := 1; a := ivec2(i, i); _ = a", err: false},
{stmt: "i := 1.0; a := ivec2(i, i); _ = a", err: true},
{stmt: "a := ivec2(vec2(1), 1); _ = a", err: true},
{stmt: "a := ivec2(1, vec2(1)); _ = a", err: true},
{stmt: "a := ivec2(ivec2(1), 1); _ = a", err: true},
{stmt: "a := ivec2(1, ivec2(1)); _ = a", err: true},
{stmt: "a := ivec2(ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := ivec2(1, 1, 1); _ = a", err: true},
{stmt: "a := ivec3(1); _ = a", err: false},
{stmt: "a := ivec3(1.0); _ = a", err: false},
{stmt: "a := ivec3(1.1); _ = a", err: true},
{stmt: "i := 1; a := ivec3(i); _ = a", err: false},
{stmt: "i := 1.0; a := ivec3(i); _ = a", err: true},
{stmt: "a := ivec3(vec3(1)); _ = a", err: false},
{stmt: "a := ivec3(vec2(1)); _ = a", err: true},
{stmt: "a := ivec3(vec4(1)); _ = a", err: true},
{stmt: "a := ivec3(ivec3(1)); _ = a", err: false},
{stmt: "a := ivec3(ivec2(1)); _ = a", err: true},
{stmt: "a := ivec3(ivec4(1)); _ = a", err: true},
{stmt: "a := ivec3(1, 1, 1); _ = a", err: false},
{stmt: "a := ivec3(1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "a := ivec3(1.1, 1.1, 1.1); _ = a", err: true},
{stmt: "i := 1; a := ivec3(i, i, i); _ = a", err: false},
{stmt: "i := 1.0; a := ivec3(i, i, i); _ = a", err: true},
{stmt: "a := ivec3(vec2(1), 1); _ = a", err: true},
{stmt: "a := ivec3(1, vec2(1)); _ = a", err: true},
{stmt: "a := ivec3(ivec2(1), 1); _ = a", err: false},
{stmt: "a := ivec3(1, ivec2(1)); _ = a", err: false},
{stmt: "a := ivec3(vec3(1), 1); _ = a", err: true},
{stmt: "a := ivec3(1, vec3(1)); _ = a", err: true},
{stmt: "a := ivec3(vec3(1), vec3(1), vec3(1)); _ = a", err: true},
{stmt: "a := ivec3(1, 1, 1, 1); _ = a", err: true},
{stmt: "a := ivec4(1); _ = a", err: false},
{stmt: "a := ivec4(1.0); _ = a", err: false},
{stmt: "i := 1; a := ivec4(i); _ = a", err: false},
{stmt: "i := 1.0; a := ivec4(i); _ = a", err: true},
{stmt: "a := ivec4(vec4(1)); _ = a", err: false},
{stmt: "a := ivec4(vec2(1)); _ = a", err: true},
{stmt: "a := ivec4(vec3(1)); _ = a", err: true},
{stmt: "a := ivec4(ivec4(1)); _ = a", err: false},
{stmt: "a := ivec4(ivec2(1)); _ = a", err: true},
{stmt: "a := ivec4(ivec3(1)); _ = a", err: true},
{stmt: "a := ivec4(1, 1, 1, 1); _ = a", err: false},
{stmt: "a := ivec4(1.0, 1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "a := ivec4(1.1, 1.1, 1.1, 1.1); _ = a", err: true},
{stmt: "i := 1; a := ivec4(i, i, i, i); _ = a", err: false},
{stmt: "i := 1.0; a := ivec4(i, i, i, i); _ = a", err: true},
{stmt: "a := ivec4(vec2(1), 1, 1); _ = a", err: true},
{stmt: "a := ivec4(1, vec2(1), 1); _ = a", err: true},
{stmt: "a := ivec4(1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := ivec4(ivec2(1), 1, 1); _ = a", err: false},
{stmt: "a := ivec4(1, ivec2(1), 1); _ = a", err: false},
{stmt: "a := ivec4(1, 1, ivec2(1)); _ = a", err: false},
{stmt: "a := ivec4(vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := ivec4(ivec2(1), ivec2(1)); _ = a", err: false},
{stmt: "a := ivec4(vec3(1), 1); _ = a", err: true},
{stmt: "a := ivec4(1, vec3(1)); _ = a", err: true},
{stmt: "a := ivec4(ivec3(1), 1); _ = a", err: false},
{stmt: "a := ivec4(1, ivec3(1)); _ = a", err: false},
{stmt: "a := ivec4(vec4(1), 1); _ = a", err: true},
{stmt: "a := ivec4(1, vec4(1)); _ = a", err: true},
{stmt: "a := ivec4(vec4(1), vec4(1), vec4(1), vec4(1)); _ = a", err: true},
{stmt: "a := ivec4(1, 1, 1, 1, 1); _ = a", err: true},
{stmt: "a := mat2(1); _ = a", err: false},
{stmt: "a := mat2(1.0); _ = a", err: false},
{stmt: "i := 1; a := mat2(i); _ = a", err: true},
{stmt: "i := 1.0; a := mat2(i); _ = a", err: false},
{stmt: "a := mat2(mat2(1)); _ = a", err: false},
{stmt: "a := mat2(vec2(1)); _ = a", err: true},
{stmt: "a := mat2(ivec2(1)); _ = a", err: true},
{stmt: "a := mat2(mat3(1)); _ = a", err: true},
{stmt: "a := mat2(mat4(1)); _ = a", err: true},
{stmt: "a := mat2(vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := mat2(ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := mat2(1, 1); _ = a", err: true},
{stmt: "a := mat2(1, vec2(1)); _ = a", err: true},
{stmt: "a := mat2(vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := mat2(mat2(1), mat2(1)); _ = a", err: true},
{stmt: "a := mat2(1, 1, 1, 1); _ = a", err: false},
{stmt: "a := mat2(1.0, 1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "i := 1; a := mat2(i, i, i, i); _ = a", err: true},
{stmt: "i := 1.0; a := mat2(i, i, i, i); _ = a", err: false},
{stmt: "a := mat2(vec2(1), vec2(1), vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := mat2(1, 1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := mat2(1, 1, 1, vec3(1)); _ = a", err: true},
{stmt: "a := mat2(mat2(1), mat2(1), mat2(1), mat2(1)); _ = a", err: true},
{stmt: "a := mat2(1, 1, 1); _ = a", err: true},
{stmt: "a := mat2(1, 1, 1, 1, 1); _ = a", err: true},
{stmt: "a := mat3(1); _ = a", err: false},
{stmt: "a := mat3(1.0); _ = a", err: false},
{stmt: "i := 1; a := mat3(i); _ = a", err: true},
{stmt: "i := 1.0; a := mat3(i); _ = a", err: false},
{stmt: "a := mat3(mat3(1)); _ = a", err: false},
{stmt: "a := mat3(vec2(1)); _ = a", err: true},
{stmt: "a := mat3(ivec2(1)); _ = a", err: true},
{stmt: "a := mat3(mat2(1)); _ = a", err: true},
{stmt: "a := mat3(mat4(1)); _ = a", err: true},
{stmt: "a := mat3(vec3(1), vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := mat3(ivec3(1), ivec3(1), ivec3(1)); _ = a", err: true},
{stmt: "a := mat3(1, 1, 1); _ = a", err: true},
{stmt: "a := mat3(1, 1, vec3(1)); _ = a", err: true},
{stmt: "a := mat3(vec3(1), vec3(1), vec4(1)); _ = a", err: true},
{stmt: "a := mat3(mat3(1), mat3(1), mat3(1)); _ = a", err: true},
{stmt: "a := mat3(1, 1, 1, 1, 1, 1, 1, 1, 1); _ = a", err: false},
{stmt: "a := mat3(1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "i := 1; a := mat3(i, i, i, i, i, i, i, i, i); _ = a", err: true},
{stmt: "i := 1.0; a := mat3(i, i, i, i, i, i, i, i, i); _ = a", err: false},
{stmt: "a := mat3(vec3(1), vec3(1), vec3(1), vec3(1), vec3(1), vec3(1), vec3(1), vec3(1), vec3(1)); _ = a", err: true},
{stmt: "a := mat3(1, 1, 1, 1, 1, 1, 1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := mat3(1, 1, 1, 1, 1, 1, 1, 1, vec3(1)); _ = a", err: true},
{stmt: "a := mat3(mat3(1), mat3(1), mat3(1), mat3(1), mat3(1), mat3(1), mat3(1), mat3(1), mat3(1)); _ = a", err: true},
{stmt: "a := mat3(1, 1, 1, 1, 1, 1, 1, 1); _ = a", err: true},
{stmt: "a := mat3(1, 1, 1, 1, 1, 1, 1, 1, 1, 1); _ = a", err: true},
{stmt: "a := mat4(1); _ = a", err: false},
{stmt: "a := mat4(1.0); _ = a", err: false},
{stmt: "i := 1; a := mat4(i); _ = a", err: true},
{stmt: "i := 1.0; a := mat4(i); _ = a", err: false},
{stmt: "a := mat4(mat4(1)); _ = a", err: false},
{stmt: "a := mat4(vec2(1)); _ = a", err: true},
{stmt: "a := mat4(ivec2(1)); _ = a", err: true},
{stmt: "a := mat4(mat2(1)); _ = a", err: true},
{stmt: "a := mat4(mat3(1)); _ = a", err: true},
{stmt: "a := mat4(vec4(1), vec4(1), vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := mat4(ivec4(1), ivec4(1), ivec4(1), ivec4(1)); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, 1); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, vec4(1)); _ = a", err: true},
{stmt: "a := mat4(vec4(1), vec4(1), vec4(1), vec2(1)); _ = a", err: true},
{stmt: "a := mat4(mat4(1), mat4(1), mat4(1), mat4(1)); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1); _ = a", err: false},
{stmt: "a := mat4(1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0); _ = a", err: false},
{stmt: "i := 1; a := mat4(i, i, i, i, i, i, i, i, i, i, i, i, i, i, i, i); _ = a", err: true},
{stmt: "i := 1.0; a := mat4(i, i, i, i, i, i, i, i, i, i, i, i, i, i, i, i); _ = a", err: false},
{stmt: "a := mat4(vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1), vec4(1)); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, vec3(1)); _ = a", err: true},
{stmt: "a := mat4(mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1), mat4(1)); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1); _ = a", err: true},
{stmt: "a := mat4(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
_, err := compileToIR([]byte(fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, c.stmt)))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", c.stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
}
}
}
// Issue #2248
func TestSyntaxDiscard(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
if true {
discard()
}
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
// discard without return doesn't work so far.
// TODO: Allow discard without return.
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
discard()
return vec4(0)
}
`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func foo() {
discard()
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
foo()
return vec4(0)
}
`)); err == nil {
t.Errorf("error must be non-nil but was nil")
}
}
// Issue #2184
func TestSyntaxBuiltinFuncSingleArgType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := {{.Func}}(); _ = a", err: true},
{stmt: "a := {{.Func}}(false); _ = a", err: true},
{stmt: "a := {{.Func}}(1); _ = a", err: false},
{stmt: "a := {{.Func}}(1.0); _ = a", err: false},
{stmt: "a := {{.Func}}(int(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec3(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec4(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(ivec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(ivec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(ivec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(mat2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(mat3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(mat4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1); _ = a", err: true},
}
funcs := []string{
"sin",
"cos",
"tan",
"asin",
"acos",
"atan",
"exp",
"log",
"exp2",
"log2",
"sqrt",
"inversesqrt",
"abs",
"sign",
"floor",
"ceil",
"fract",
"length",
"normalize",
"dfdx",
"dfdy",
"fwidth",
}
for _, c := range cases {
for _, f := range funcs {
stmt := strings.ReplaceAll(c.stmt, "{{.Func}}", f)
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncDoubleArgsType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := {{.Func}}(); _ = a", err: true},
{stmt: "a := {{.Func}}(1); _ = a", err: true},
{stmt: "a := {{.Func}}(false, false); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1.0, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1, 1.0); _ = a", err: false},
{stmt: "a := {{.Func}}(int(1), int(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec3(1), vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(mat2(1), mat2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(ivec2(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1, 1); _ = a", err: true},
}
funcs := []string{
"atan2",
"pow",
"distance",
"dot",
"reflect",
}
for _, c := range cases {
for _, f := range funcs {
stmt := strings.ReplaceAll(c.stmt, "{{.Func}}", f)
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncDoubleArgsType2(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := {{.Func}}(); _ = a", err: true},
{stmt: "a := {{.Func}}(1); _ = a", err: true},
{stmt: "a := {{.Func}}(false, false); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1.0, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1, 1.0); _ = a", err: false},
{stmt: "a := {{.Func}}(int(1), int(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, ivec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, ivec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, ivec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), 1); _ = a", err: false}, // The second argument can be a scalar.
{stmt: "a := {{.Func}}(vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), 1); _ = a", err: false}, // The second argument can be a scalar.
{stmt: "a := {{.Func}}(vec3(1), vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec3(1), vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), 1); _ = a", err: false}, // The second argument can be a scalar.
{stmt: "a := {{.Func}}(vec4(1), vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(mat2(1), mat2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(ivec2(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1, 1); _ = a", err: true},
}
funcs := []string{
"mod",
"min",
"max",
}
for _, c := range cases {
for _, f := range funcs {
stmt := strings.ReplaceAll(c.stmt, "{{.Func}}", f)
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncStepType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := step(); _ = a", err: true},
{stmt: "a := step(1); _ = a", err: true},
{stmt: "a := step(false, false); _ = a", err: true},
{stmt: "a := step(1, 1); _ = a", err: false},
{stmt: "a := step(1.0, 1); _ = a", err: false},
{stmt: "a := step(1, 1.0); _ = a", err: false},
{stmt: "a := step(int(1), int(1)); _ = a", err: true},
{stmt: "a := step(1, vec2(1)); _ = a", err: false}, // The first argument can be a scalar.
{stmt: "a := step(1, vec3(1)); _ = a", err: false}, // The first argument can be a scalar.
{stmt: "a := step(1, vec4(1)); _ = a", err: false}, // The first argument can be a scalar.
{stmt: "a := step(1, ivec2(1)); _ = a", err: true},
{stmt: "a := step(1, ivec3(1)); _ = a", err: true},
{stmt: "a := step(1, ivec4(1)); _ = a", err: true},
{stmt: "a := step(vec2(1), 1); _ = a", err: true},
{stmt: "a := step(vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := step(vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := step(vec2(1), vec4(1)); _ = a", err: true},
{stmt: "a := step(vec3(1), 1); _ = a", err: true},
{stmt: "a := step(vec3(1), vec2(1)); _ = a", err: true},
{stmt: "a := step(vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := step(vec3(1), vec4(1)); _ = a", err: true},
{stmt: "a := step(vec4(1), 1); _ = a", err: true},
{stmt: "a := step(vec4(1), vec2(1)); _ = a", err: true},
{stmt: "a := step(vec4(1), vec3(1)); _ = a", err: true},
{stmt: "a := step(vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := step(mat2(1), mat2(1)); _ = a", err: true},
{stmt: "a := step(ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := step(1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncTripleArgsType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := {{.Func}}(); _ = a", err: true},
{stmt: "a := {{.Func}}(1); _ = a", err: true},
{stmt: "a := {{.Func}}(false, false); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1); _ = a", err: true},
{stmt: "a := {{.Func}}(false, false, false); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1.0, 1, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1, 1.0, 1); _ = a", err: false},
{stmt: "a := {{.Func}}(1, 1, 1.0); _ = a", err: false},
{stmt: "a := {{.Func}}(1, vec2(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(1, vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), 1, 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), 1, vec2(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), vec2(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec2(1), vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec2(1), vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), 1, 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), 1, vec3(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), vec3(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec3(1), vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(vec4(1), 1, 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), 1, vec4(1)); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec4(1), 1); _ = a", err: true},
{stmt: "a := {{.Func}}(vec4(1), vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := {{.Func}}(ivec2(1), ivec2(1), ivec2(1)); _ = a", err: true},
}
funcs := []string{
"faceforward",
}
for _, c := range cases {
for _, f := range funcs {
stmt := strings.ReplaceAll(c.stmt, "{{.Func}}", f)
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncClampType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := clamp(); _ = a", err: true},
{stmt: "a := clamp(1); _ = a", err: true},
{stmt: "a := clamp(false, false); _ = a", err: true},
{stmt: "a := clamp(1, 1); _ = a", err: true},
{stmt: "a := clamp(false, false, false); _ = a", err: true},
{stmt: "a := clamp(1, 1, 1); _ = a", err: false},
{stmt: "a := clamp(1.0, 1, 1); _ = a", err: false},
{stmt: "a := clamp(1, 1.0, 1); _ = a", err: false},
{stmt: "a := clamp(1, 1, 1.0); _ = a", err: false},
{stmt: "a := clamp(1, vec2(1), 1); _ = a", err: true},
{stmt: "a := clamp(1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := clamp(1, vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := clamp(vec2(1), 1, 1); _ = a", err: false},
{stmt: "a := clamp(vec2(1), 1, vec2(1)); _ = a", err: true},
{stmt: "a := clamp(vec2(1), vec2(1), 1); _ = a", err: true},
{stmt: "a := clamp(vec2(1), vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := clamp(vec2(1), vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := clamp(vec3(1), 1, 1); _ = a", err: false},
{stmt: "a := clamp(vec3(1), 1, vec3(1)); _ = a", err: true},
{stmt: "a := clamp(vec3(1), vec3(1), 1); _ = a", err: true},
{stmt: "a := clamp(vec3(1), vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := clamp(vec4(1), 1, 1); _ = a", err: false},
{stmt: "a := clamp(vec4(1), 1, vec4(1)); _ = a", err: true},
{stmt: "a := clamp(vec4(1), vec4(1), 1); _ = a", err: true},
{stmt: "a := clamp(vec4(1), vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := clamp(ivec2(1), 1, 1); _ = a", err: true},
{stmt: "a := clamp(1, 1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncMixType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := mix(); _ = a", err: true},
{stmt: "a := mix(1); _ = a", err: true},
{stmt: "a := mix(false, false); _ = a", err: true},
{stmt: "a := mix(1, 1); _ = a", err: true},
{stmt: "a := mix(false, false, false); _ = a", err: true},
{stmt: "a := mix(1, 1, 1); _ = a", err: false},
{stmt: "a := mix(1.0, 1, 1); _ = a", err: false},
{stmt: "a := mix(1, 1.0, 1); _ = a", err: false},
{stmt: "a := mix(1, 1, 1.0); _ = a", err: false},
{stmt: "a := mix(1, vec2(1), 1); _ = a", err: true},
{stmt: "a := mix(1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := mix(1, vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := mix(vec2(1), 1, 1); _ = a", err: true},
{stmt: "a := mix(vec2(1), 1, vec2(1)); _ = a", err: true},
{stmt: "a := mix(vec2(1), vec2(1), 1); _ = a", err: false}, // The thrid argument can be a float.
{stmt: "a := mix(vec2(1), vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := mix(vec2(1), vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := mix(vec3(1), 1, 1); _ = a", err: true},
{stmt: "a := mix(vec3(1), 1, vec3(1)); _ = a", err: true},
{stmt: "a := mix(vec3(1), vec3(1), 1); _ = a", err: false}, // The thrid argument can be a float.
{stmt: "a := mix(vec3(1), vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := mix(vec4(1), 1, 1); _ = a", err: true},
{stmt: "a := mix(vec4(1), 1, vec4(1)); _ = a", err: true},
{stmt: "a := mix(vec4(1), vec4(1), 1); _ = a", err: false}, // The thrid argument can be a float.
{stmt: "a := mix(vec4(1), vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := mix(ivec2(1), ivec2(1), 1); _ = a", err: true},
{stmt: "a := mix(ivec2(1), ivec2(1), ivec2(1)); _ = a", err: true},
{stmt: "a := mix(1, 1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncSmoothstepType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := smoothstep(); _ = a", err: true},
{stmt: "a := smoothstep(1); _ = a", err: true},
{stmt: "a := smoothstep(false, false); _ = a", err: true},
{stmt: "a := smoothstep(1, 1); _ = a", err: true},
{stmt: "a := smoothstep(false, false, false); _ = a", err: true},
{stmt: "a := smoothstep(1, 1, 1); _ = a", err: false},
{stmt: "a := smoothstep(1.0, 1, 1); _ = a", err: false},
{stmt: "a := smoothstep(1, 1.0, 1); _ = a", err: false},
{stmt: "a := smoothstep(1, 1, 1.0); _ = a", err: false},
{stmt: "a := smoothstep(1, vec2(1), 1); _ = a", err: true},
{stmt: "a := smoothstep(1, 1, vec2(1)); _ = a", err: false},
{stmt: "a := smoothstep(1, 1, vec3(1)); _ = a", err: false},
{stmt: "a := smoothstep(1, 1, vec4(1)); _ = a", err: false},
{stmt: "a := smoothstep(1, vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := smoothstep(vec2(1), 1, 1); _ = a", err: true},
{stmt: "a := smoothstep(vec2(1), 1, vec2(1)); _ = a", err: true},
{stmt: "a := smoothstep(vec2(1), vec2(1), 1); _ = a", err: true},
{stmt: "a := smoothstep(vec2(1), vec2(1), vec2(1)); _ = a", err: false},
{stmt: "a := smoothstep(vec2(1), vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := smoothstep(vec3(1), 1, 1); _ = a", err: true},
{stmt: "a := smoothstep(vec3(1), 1, vec3(1)); _ = a", err: true},
{stmt: "a := smoothstep(vec3(1), vec3(1), 1); _ = a", err: true},
{stmt: "a := smoothstep(vec3(1), vec3(1), vec3(1)); _ = a", err: false},
{stmt: "a := smoothstep(vec4(1), 1, 1); _ = a", err: true},
{stmt: "a := smoothstep(vec4(1), 1, vec4(1)); _ = a", err: true},
{stmt: "a := smoothstep(vec4(1), vec4(1), 1); _ = a", err: true},
{stmt: "a := smoothstep(vec4(1), vec4(1), vec4(1)); _ = a", err: false},
{stmt: "a := smoothstep(ivec2(1), 1, 1); _ = a", err: true},
{stmt: "a := smoothstep(1, ivec2(1), 1); _ = a", err: true},
{stmt: "a := smoothstep(1, 1, ivec2(1)); _ = a", err: true},
{stmt: "a := smoothstep(1, 1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncRefractType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := refract(); _ = a", err: true},
{stmt: "a := refract(1); _ = a", err: true},
{stmt: "a := refract(false, false); _ = a", err: true},
{stmt: "a := refract(1, 1); _ = a", err: true},
{stmt: "a := refract(false, false, false); _ = a", err: true},
{stmt: "a := refract(1, 1, 1); _ = a", err: false},
{stmt: "a := refract(1.0, 1, 1); _ = a", err: false},
{stmt: "a := refract(1, 1.0, 1); _ = a", err: false},
{stmt: "a := refract(1, 1, 1.0); _ = a", err: false},
{stmt: "a := refract(1, vec2(1), 1); _ = a", err: true},
{stmt: "a := refract(1, 1, vec2(1)); _ = a", err: true},
{stmt: "a := refract(1, vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := refract(vec2(1), 1, 1); _ = a", err: true},
{stmt: "a := refract(vec2(1), 1, vec2(1)); _ = a", err: true},
{stmt: "a := refract(vec2(1), vec2(1), 1); _ = a", err: false}, // The third argument must be a float.
{stmt: "a := refract(vec2(1), vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := refract(vec2(1), vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := refract(vec3(1), 1, 1); _ = a", err: true},
{stmt: "a := refract(vec3(1), 1, vec3(1)); _ = a", err: true},
{stmt: "a := refract(vec3(1), vec3(1), 1); _ = a", err: false}, // The third argument must be a float.
{stmt: "a := refract(vec3(1), vec3(1), vec3(1)); _ = a", err: true},
{stmt: "a := refract(vec4(1), 1, 1); _ = a", err: true},
{stmt: "a := refract(vec4(1), 1, vec4(1)); _ = a", err: true},
{stmt: "a := refract(vec4(1), vec4(1), 1); _ = a", err: false}, // The third argument must be a float.
{stmt: "a := refract(vec4(1), vec4(1), vec4(1)); _ = a", err: true},
{stmt: "a := refract(ivec2(1), ivec2(1), 1); _ = a", err: true},
{stmt: "a := refract(1, 1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncCrossType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := cross(); _ = a", err: true},
{stmt: "a := cross(1); _ = a", err: true},
{stmt: "a := cross(false, false); _ = a", err: true},
{stmt: "a := cross(1, 1); _ = a", err: true},
{stmt: "a := cross(1.0, 1); _ = a", err: true},
{stmt: "a := cross(1, 1.0); _ = a", err: true},
{stmt: "a := cross(int(1), int(1)); _ = a", err: true},
{stmt: "a := cross(1, vec2(1)); _ = a", err: true},
{stmt: "a := cross(1, vec3(1)); _ = a", err: true},
{stmt: "a := cross(1, vec4(1)); _ = a", err: true},
{stmt: "a := cross(vec2(1), 1); _ = a", err: true},
{stmt: "a := cross(vec2(1), vec2(1)); _ = a", err: true},
{stmt: "a := cross(vec2(1), vec3(1)); _ = a", err: true},
{stmt: "a := cross(vec2(1), vec4(1)); _ = a", err: true},
{stmt: "a := cross(vec3(1), 1); _ = a", err: true},
{stmt: "a := cross(vec3(1), vec2(1)); _ = a", err: true},
{stmt: "a := cross(vec3(1), vec3(1)); _ = a", err: false}, // Only two vec3s are allowed
{stmt: "a := cross(vec3(1), vec4(1)); _ = a", err: true},
{stmt: "a := cross(vec4(1), 1); _ = a", err: true},
{stmt: "a := cross(vec4(1), vec2(1)); _ = a", err: true},
{stmt: "a := cross(vec4(1), vec3(1)); _ = a", err: true},
{stmt: "a := cross(vec4(1), vec4(1)); _ = a", err: true},
{stmt: "a := cross(mat2(1), mat2(1)); _ = a", err: true},
{stmt: "a := cross(ivec3(1), ivec3(1)); _ = a", err: true},
{stmt: "a := cross(1, 1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2184
func TestSyntaxBuiltinFuncTransposeType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := transpose(); _ = a", err: true},
{stmt: "a := transpose(false); _ = a", err: true},
{stmt: "a := transpose(1); _ = a", err: true},
{stmt: "a := transpose(1.0); _ = a", err: true},
{stmt: "a := transpose(int(1)); _ = a", err: true},
{stmt: "a := transpose(vec2(1)); _ = a", err: true},
{stmt: "a := transpose(vec3(1)); _ = a", err: true},
{stmt: "a := transpose(vec4(1)); _ = a", err: true},
{stmt: "a := transpose(ivec2(1)); _ = a", err: true},
{stmt: "a := transpose(ivec3(1)); _ = a", err: true},
{stmt: "a := transpose(ivec4(1)); _ = a", err: true},
{stmt: "a := transpose(mat2(1)); _ = a", err: false},
{stmt: "a := transpose(mat3(1)); _ = a", err: false},
{stmt: "a := transpose(mat4(1)); _ = a", err: false},
{stmt: "a := transpose(1, 1); _ = a", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2187
func TestSyntaxEqual(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "_ = false == true", err: false},
{stmt: "_ = false != true", err: false},
{stmt: "_ = false == 1", err: true},
{stmt: "_ = false != 1", err: true},
{stmt: "_ = false == 1.0", err: true},
{stmt: "_ = false != 1.0", err: true},
{stmt: "_ = false == 1.1", err: true},
{stmt: "_ = false != 1.1", err: true},
{stmt: "a, b := false, true; _ = a == b", err: false},
{stmt: "a, b := false, true; _ = a != b", err: false},
{stmt: "a, b := false, 1; _ = a == b", err: true},
{stmt: "a, b := false, 1; _ = a != b", err: true},
{stmt: "a, b := false, 1.0; _ = a == b", err: true},
{stmt: "a, b := false, 1.0; _ = a != b", err: true},
{stmt: "a, b := false, 1.1; _ = a == b", err: true},
{stmt: "a, b := false, 1.1; _ = a != b", err: true},
{stmt: "a, b := false, vec2(1); _ = a == b", err: true},
{stmt: "a, b := false, vec2(1); _ = a != b", err: true},
{stmt: "a, b := false, ivec2(1); _ = a == b", err: true},
{stmt: "a, b := false, ivec2(1); _ = a != b", err: true},
{stmt: "a, b := false, mat2(1); _ = a == b", err: true},
{stmt: "a, b := false, mat2(1); _ = a != b", err: true},
{stmt: "_ = 1 == true", err: true},
{stmt: "_ = 1 != true", err: true},
{stmt: "_ = 1 == 1", err: false},
{stmt: "_ = 1 != 1", err: false},
{stmt: "_ = 1 == 1.0", err: false},
{stmt: "_ = 1 != 1.0", err: false},
{stmt: "_ = 1 == 1.1", err: false},
{stmt: "_ = 1 != 1.1", err: false},
{stmt: "a, b := 1, true; _ = a == b", err: true},
{stmt: "a, b := 1, true; _ = a != b", err: true},
{stmt: "a, b := 1, 1; _ = a == b", err: false},
{stmt: "a, b := 1, 1; _ = a != b", err: false},
{stmt: "a, b := 1, 1.0; _ = a == b", err: true},
{stmt: "a, b := 1, 1.0; _ = a != b", err: true},
{stmt: "a, b := 1, 1.1; _ = a == b", err: true},
{stmt: "a, b := 1, 1.1; _ = a != b", err: true},
{stmt: "a, b := 1, vec2(1); _ = a == b", err: true},
{stmt: "a, b := 1, vec2(1); _ = a != b", err: true},
{stmt: "a, b := 1, ivec2(1); _ = a == b", err: true},
{stmt: "a, b := 1, ivec2(1); _ = a != b", err: true},
{stmt: "a, b := 1, mat2(1); _ = a == b", err: true},
{stmt: "a, b := 1, mat2(1); _ = a != b", err: true},
{stmt: "_ = 1.0 == true", err: true},
{stmt: "_ = 1.0 != true", err: true},
{stmt: "_ = 1.0 == 1", err: false},
{stmt: "_ = 1.0 != 1", err: false},
{stmt: "_ = 1.0 == 1.0", err: false},
{stmt: "_ = 1.0 != 1.0", err: false},
{stmt: "_ = 1.0 == 1.1", err: false},
{stmt: "_ = 1.0 != 1.1", err: false},
{stmt: "a, b := 1.0, true; _ = a == b", err: true},
{stmt: "a, b := 1.0, true; _ = a != b", err: true},
{stmt: "a, b := 1.0, 1; _ = a == b", err: true},
{stmt: "a, b := 1.0, 1; _ = a != b", err: true},
{stmt: "a, b := 1.0, 1.0; _ = a == b", err: false},
{stmt: "a, b := 1.0, 1.0; _ = a != b", err: false},
{stmt: "a, b := 1.0, 1.1; _ = a == b", err: false},
{stmt: "a, b := 1.0, 1.1; _ = a != b", err: false},
{stmt: "a, b := 1.0, vec2(1); _ = a == b", err: true},
{stmt: "a, b := 1.0, vec2(1); _ = a != b", err: true},
{stmt: "a, b := 1.0, ivec2(1); _ = a == b", err: true},
{stmt: "a, b := 1.0, ivec2(1); _ = a != b", err: true},
{stmt: "a, b := 1.0, mat2(1); _ = a == b", err: true},
{stmt: "a, b := 1.0, mat2(1); _ = a != b", err: true},
{stmt: "_ = 1.1 == true", err: true},
{stmt: "_ = 1.1 != true", err: true},
{stmt: "_ = 1.1 == 1", err: false},
{stmt: "_ = 1.1 != 1", err: false},
{stmt: "_ = 1.1 == 1.0", err: false},
{stmt: "_ = 1.1 != 1.0", err: false},
{stmt: "_ = 1.1 == 1.1", err: false},
{stmt: "_ = 1.1 != 1.1", err: false},
{stmt: "a, b := 1.1, true; _ = a == b", err: true},
{stmt: "a, b := 1.1, true; _ = a != b", err: true},
{stmt: "a, b := 1.1, 1; _ = a == b", err: true},
{stmt: "a, b := 1.1, 1; _ = a != b", err: true},
{stmt: "a, b := 1.1, 1.0; _ = a == b", err: false},
{stmt: "a, b := 1.1, 1.0; _ = a != b", err: false},
{stmt: "a, b := 1.1, 1.1; _ = a == b", err: false},
{stmt: "a, b := 1.1, 1.1; _ = a != b", err: false},
{stmt: "a, b := 1.1, vec2(1); _ = a == b", err: true},
{stmt: "a, b := 1.1, vec2(1); _ = a != b", err: true},
{stmt: "a, b := 1.1, ivec2(1); _ = a == b", err: true},
{stmt: "a, b := 1.1, ivec2(1); _ = a != b", err: true},
{stmt: "a, b := 1.1, mat2(1); _ = a == b", err: true},
{stmt: "a, b := 1.1, mat2(1); _ = a != b", err: true},
{stmt: "_ = vec2(1) == true", err: true},
{stmt: "_ = vec2(1) != true", err: true},
{stmt: "_ = vec2(1) == 1", err: true},
{stmt: "_ = vec2(1) != 1", err: true},
{stmt: "_ = vec2(1) == 1.0", err: true},
{stmt: "_ = vec2(1) != 1.0", err: true},
{stmt: "_ = vec2(1) == 1.1", err: true},
{stmt: "_ = vec2(1) != 1.1", err: true},
{stmt: "a, b := vec2(1), true; _ = a == b", err: true},
{stmt: "a, b := vec2(1), true; _ = a != b", err: true},
{stmt: "a, b := vec2(1), 1; _ = a == b", err: true},
{stmt: "a, b := vec2(1), 1; _ = a != b", err: true},
{stmt: "a, b := vec2(1), 1.0; _ = a == b", err: true},
{stmt: "a, b := vec2(1), 1.0; _ = a != b", err: true},
{stmt: "a, b := vec2(1), 1.1; _ = a == b", err: true},
{stmt: "a, b := vec2(1), 1.1; _ = a != b", err: true},
{stmt: "a, b := vec2(1), vec2(1); _ = a == b", err: false},
{stmt: "a, b := vec2(1), vec2(1); _ = a != b", err: false},
{stmt: "a, b := vec2(1), ivec2(1); _ = a == b", err: true},
{stmt: "a, b := vec2(1), ivec2(1); _ = a != b", err: true},
{stmt: "a, b := vec2(1), mat2(1); _ = a == b", err: true},
{stmt: "a, b := vec2(1), mat2(1); _ = a != b", err: true},
{stmt: "_ = ivec2(1) == true", err: true},
{stmt: "_ = ivec2(1) != true", err: true},
{stmt: "_ = ivec2(1) == 1", err: true},
{stmt: "_ = ivec2(1) != 1", err: true},
{stmt: "_ = ivec2(1) == 1.0", err: true},
{stmt: "_ = ivec2(1) != 1.0", err: true},
{stmt: "_ = ivec2(1) == 1.1", err: true},
{stmt: "_ = ivec2(1) != 1.1", err: true},
{stmt: "a, b := ivec2(1), true; _ = a == b", err: true},
{stmt: "a, b := ivec2(1), true; _ = a != b", err: true},
{stmt: "a, b := ivec2(1), 1; _ = a == b", err: true},
{stmt: "a, b := ivec2(1), 1; _ = a != b", err: true},
{stmt: "a, b := ivec2(1), 1.0; _ = a == b", err: true},
{stmt: "a, b := ivec2(1), 1.0; _ = a != b", err: true},
{stmt: "a, b := ivec2(1), 1.1; _ = a == b", err: true},
{stmt: "a, b := ivec2(1), 1.1; _ = a != b", err: true},
{stmt: "a, b := ivec2(1), vec2(1); _ = a == b", err: true},
{stmt: "a, b := ivec2(1), vec2(1); _ = a != b", err: true},
{stmt: "a, b := ivec2(1), ivec2(1); _ = a == b", err: false},
{stmt: "a, b := ivec2(1), ivec2(1); _ = a != b", err: false},
{stmt: "a, b := ivec2(1), mat2(1); _ = a == b", err: true},
{stmt: "a, b := ivec2(1), mat2(1); _ = a != b", err: true},
{stmt: "_ = mat2(1) == true", err: true},
{stmt: "_ = mat2(1) != true", err: true},
{stmt: "_ = mat2(1) == 1", err: true},
{stmt: "_ = mat2(1) != 1", err: true},
{stmt: "_ = mat2(1) == 1.0", err: true},
{stmt: "_ = mat2(1) != 1.0", err: true},
{stmt: "_ = mat2(1) == 1.1", err: true},
{stmt: "_ = mat2(1) != 1.1", err: true},
{stmt: "a, b := mat2(1), true; _ = a == b", err: true},
{stmt: "a, b := mat2(1), true; _ = a != b", err: true},
{stmt: "a, b := mat2(1), 1; _ = a == b", err: true},
{stmt: "a, b := mat2(1), 1; _ = a != b", err: true},
{stmt: "a, b := mat2(1), 1.0; _ = a == b", err: true},
{stmt: "a, b := mat2(1), 1.0; _ = a != b", err: true},
{stmt: "a, b := mat2(1), 1.1; _ = a == b", err: true},
{stmt: "a, b := mat2(1), 1.1; _ = a != b", err: true},
{stmt: "a, b := mat2(1), vec2(1); _ = a == b", err: true},
{stmt: "a, b := mat2(1), vec2(1); _ = a != b", err: true},
{stmt: "a, b := mat2(1), ivec2(1); _ = a == b", err: true},
{stmt: "a, b := mat2(1), ivec2(1); _ = a != b", err: true},
{stmt: "a, b := mat2(1), mat2(1); _ = a == b", err: true}, // Comparing matrices are not allowed.
{stmt: "a, b := mat2(1), mat2(1); _ = a != b", err: true}, // Comparing matrices are not allowed.
{stmt: "_ = false && true", err: false},
{stmt: "_ = false || true", err: false},
{stmt: "_ = false && 1", err: true},
{stmt: "_ = false || 1", err: true},
{stmt: "_ = false && 1.0", err: true},
{stmt: "_ = false || 1.0", err: true},
{stmt: "_ = false && 1.1", err: true},
{stmt: "_ = false || 1.1", err: true},
{stmt: "a, b := false, true; _ = a && b", err: false},
{stmt: "a, b := false, true; _ = a || b", err: false},
{stmt: "a, b := false, 1; _ = a && b", err: true},
{stmt: "a, b := false, 1; _ = a || b", err: true},
{stmt: "a, b := false, 1.0; _ = a && b", err: true},
{stmt: "a, b := false, 1.0; _ = a || b", err: true},
{stmt: "a, b := false, 1.1; _ = a && b", err: true},
{stmt: "a, b := false, 1.1; _ = a || b", err: true},
{stmt: "a, b := false, vec2(1); _ = a && b", err: true},
{stmt: "a, b := false, vec2(1); _ = a || b", err: true},
{stmt: "a, b := false, ivec2(1); _ = a && b", err: true},
{stmt: "a, b := false, ivec2(1); _ = a || b", err: true},
{stmt: "a, b := false, mat2(1); _ = a && b", err: true},
{stmt: "a, b := false, mat2(1); _ = a || b", err: true},
{stmt: "_ = 1.0 && true", err: true},
{stmt: "_ = 1.0 || true", err: true},
{stmt: "_ = 1.0 && 1", err: true},
{stmt: "_ = 1.0 || 1", err: true},
{stmt: "_ = 1.0 && 1.0", err: true},
{stmt: "_ = 1.0 || 1.0", err: true},
{stmt: "_ = 1.0 && 1.1", err: true},
{stmt: "_ = 1.0 || 1.1", err: true},
{stmt: "a, b := 1.0, true; _ = a && b", err: true},
{stmt: "a, b := 1.0, true; _ = a || b", err: true},
{stmt: "a, b := 1.0, 1; _ = a && b", err: true},
{stmt: "a, b := 1.0, 1; _ = a || b", err: true},
{stmt: "a, b := 1.0, 1.0; _ = a && b", err: true},
{stmt: "a, b := 1.0, 1.0; _ = a || b", err: true},
{stmt: "a, b := 1.0, 1.1; _ = a && b", err: true},
{stmt: "a, b := 1.0, 1.1; _ = a || b", err: true},
{stmt: "a, b := 1.0, vec2(1); _ = a && b", err: true},
{stmt: "a, b := 1.0, vec2(1); _ = a || b", err: true},
{stmt: "a, b := 1.0, ivec2(1); _ = a && b", err: true},
{stmt: "a, b := 1.0, ivec2(1); _ = a || b", err: true},
{stmt: "a, b := 1.0, mat2(1); _ = a && b", err: true},
{stmt: "a, b := 1.0, mat2(1); _ = a || b", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
func TestSyntaxTypeRedeclaration(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "type Foo int; type Foo int", err: true},
{stmt: "type Foo int; type Foo float", err: true},
{stmt: "type Foo int; { type Foo int }", err: false},
{stmt: "type Foo int; type Bar int", err: false},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
func TestSyntaxSwizzling(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "var a vec2; var b float = a.x; _ = b", err: false},
{stmt: "var a vec2; var b float = a.y; _ = b", err: false},
{stmt: "var a vec2; var b float = a.z; _ = b", err: true},
{stmt: "var a vec2; var b float = a.w; _ = b", err: true},
{stmt: "var a vec2; var b vec2 = a.xy; _ = b", err: false},
{stmt: "var a vec2; var b vec3 = a.xyz; _ = b", err: true},
{stmt: "var a vec2; var b vec3 = a.xyw; _ = b", err: true},
{stmt: "var a vec2; var b vec3 = a.xyy; _ = b", err: false},
{stmt: "var a vec2; var b vec3 = a.zzz; _ = b", err: true},
{stmt: "var a vec2; var b vec4 = a.xyzw; _ = b", err: true},
{stmt: "var a vec2; var b float = a.r; _ = b", err: false},
{stmt: "var a vec2; var b float = a.g; _ = b", err: false},
{stmt: "var a vec2; var b float = a.b; _ = b", err: true},
{stmt: "var a vec2; var b float = a.a; _ = b", err: true},
{stmt: "var a vec2; var b vec2 = a.rg; _ = b", err: false},
{stmt: "var a vec2; var b vec3 = a.rgb; _ = b", err: true},
{stmt: "var a vec2; var b vec3 = a.rga; _ = b", err: true},
{stmt: "var a vec2; var b vec3 = a.rgg; _ = b", err: false},
{stmt: "var a vec2; var b vec3 = a.bbb; _ = b", err: true},
{stmt: "var a vec2; var b vec4 = a.rgba; _ = b", err: true},
{stmt: "var a vec2; var b float = a.s; _ = b", err: false},
{stmt: "var a vec2; var b float = a.t; _ = b", err: false},
{stmt: "var a vec2; var b float = a.p; _ = b", err: true},
{stmt: "var a vec2; var b float = a.q; _ = b", err: true},
{stmt: "var a vec2; var b vec2 = a.st; _ = b", err: false},
{stmt: "var a vec2; var b vec3 = a.stp; _ = b", err: true},
{stmt: "var a vec2; var b vec3 = a.stq; _ = b", err: true},
{stmt: "var a vec2; var b vec3 = a.stt; _ = b", err: false},
{stmt: "var a vec2; var b vec3 = a.ppp; _ = b", err: true},
{stmt: "var a vec2; var b vec4 = a.stpq; _ = b", err: true},
{stmt: "var a vec3; var b float = a.x; _ = b", err: false},
{stmt: "var a vec3; var b float = a.y; _ = b", err: false},
{stmt: "var a vec3; var b float = a.z; _ = b", err: false},
{stmt: "var a vec3; var b float = a.w; _ = b", err: true},
{stmt: "var a vec3; var b vec2 = a.xy; _ = b", err: false},
{stmt: "var a vec3; var b vec3 = a.xyz; _ = b", err: false},
{stmt: "var a vec3; var b vec3 = a.xyw; _ = b", err: true},
{stmt: "var a vec3; var b vec3 = a.xyy; _ = b", err: false},
{stmt: "var a vec3; var b vec3 = a.zzz; _ = b", err: false},
{stmt: "var a vec3; var b vec4 = a.xyzw; _ = b", err: true},
{stmt: "var a vec4; var b float = a.x; _ = b", err: false},
{stmt: "var a vec4; var b float = a.y; _ = b", err: false},
{stmt: "var a vec4; var b float = a.z; _ = b", err: false},
{stmt: "var a vec4; var b float = a.w; _ = b", err: false},
{stmt: "var a vec4; var b vec2 = a.xy; _ = b", err: false},
{stmt: "var a vec4; var b vec3 = a.xyz; _ = b", err: false},
{stmt: "var a vec4; var b vec3 = a.xyw; _ = b", err: false},
{stmt: "var a vec4; var b vec3 = a.xyy; _ = b", err: false},
{stmt: "var a vec4; var b vec3 = a.zzz; _ = b", err: false},
{stmt: "var a vec4; var b vec4 = a.xyzw; _ = b", err: false},
{stmt: "var a ivec2; var b int = a.x; _ = b", err: false},
{stmt: "var a ivec2; var b int = a.y; _ = b", err: false},
{stmt: "var a ivec2; var b int = a.z; _ = b", err: true},
{stmt: "var a ivec2; var b int = a.w; _ = b", err: true},
{stmt: "var a ivec2; var b ivec2 = a.xy; _ = b", err: false},
{stmt: "var a ivec2; var b ivec3 = a.xyz; _ = b", err: true},
{stmt: "var a ivec2; var b ivec3 = a.xyw; _ = b", err: true},
{stmt: "var a ivec2; var b ivec3 = a.xyy; _ = b", err: false},
{stmt: "var a ivec2; var b ivec3 = a.zzz; _ = b", err: true},
{stmt: "var a ivec2; var b ivec4 = a.xyzw; _ = b", err: true},
{stmt: "var a ivec3; var b int = a.x; _ = b", err: false},
{stmt: "var a ivec3; var b int = a.y; _ = b", err: false},
{stmt: "var a ivec3; var b int = a.z; _ = b", err: false},
{stmt: "var a ivec3; var b int = a.w; _ = b", err: true},
{stmt: "var a ivec3; var b ivec2 = a.xy; _ = b", err: false},
{stmt: "var a ivec3; var b ivec3 = a.xyz; _ = b", err: false},
{stmt: "var a ivec3; var b ivec3 = a.xyw; _ = b", err: true},
{stmt: "var a ivec3; var b ivec3 = a.xyy; _ = b", err: false},
{stmt: "var a ivec3; var b ivec3 = a.zzz; _ = b", err: false},
{stmt: "var a ivec3; var b ivec4 = a.xyzw; _ = b", err: true},
{stmt: "var a ivec4; var b int = a.x; _ = b", err: false},
{stmt: "var a ivec4; var b int = a.y; _ = b", err: false},
{stmt: "var a ivec4; var b int = a.z; _ = b", err: false},
{stmt: "var a ivec4; var b int = a.w; _ = b", err: false},
{stmt: "var a ivec4; var b ivec2 = a.xy; _ = b", err: false},
{stmt: "var a ivec4; var b ivec3 = a.xyz; _ = b", err: false},
{stmt: "var a ivec4; var b ivec3 = a.xyw; _ = b", err: false},
{stmt: "var a ivec4; var b ivec3 = a.xyy; _ = b", err: false},
{stmt: "var a ivec4; var b ivec3 = a.zzz; _ = b", err: false},
{stmt: "var a ivec4; var b ivec4 = a.xyzw; _ = b", err: false},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
func TestSyntaxConstType(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "const a = false", err: false},
{stmt: "const a bool = false", err: false},
{stmt: "const a int = false", err: true},
{stmt: "const a float = false", err: true},
{stmt: "const a vec2 = false", err: true},
{stmt: "const a ivec2 = false", err: true},
{stmt: "const a = bool(false)", err: false},
{stmt: "const a bool = bool(false)", err: false},
{stmt: "const a int = bool(false)", err: true},
{stmt: "const a float = bool(false)", err: true},
{stmt: "const a vec2 = bool(false)", err: true},
{stmt: "const a ivec2 = bool(false)", err: true},
{stmt: "const a = int(false)", err: true},
{stmt: "const a bool = int(false)", err: true},
{stmt: "const a int = int(false)", err: true},
{stmt: "const a float = int(false)", err: true},
{stmt: "const a vec2 = int(false)", err: true},
{stmt: "const a ivec2 = int(false)", err: true},
{stmt: "const a = float(false)", err: true},
{stmt: "const a bool = float(false)", err: true},
{stmt: "const a int = float(false)", err: true},
{stmt: "const a float = float(false)", err: true},
{stmt: "const a vec2 = float(false)", err: true},
{stmt: "const a ivec2 = float(false)", err: true},
{stmt: "const a = 1", err: false},
{stmt: "const a bool = 1", err: true},
{stmt: "const a int = 1", err: false},
{stmt: "const a float = 1", err: false},
{stmt: "const a vec2 = 1", err: true},
{stmt: "const a ivec2 = 1", err: true},
{stmt: "const a = int(1)", err: false},
{stmt: "const a bool = int(1)", err: true},
{stmt: "const a int = int(1)", err: false},
{stmt: "const a float = int(1)", err: true},
{stmt: "const a vec2 = int(1)", err: true},
{stmt: "const a ivec2 = int(1)", err: true},
{stmt: "const a = float(1)", err: false},
{stmt: "const a bool = float(1)", err: true},
{stmt: "const a int = float(1)", err: true},
{stmt: "const a float = float(1)", err: false},
{stmt: "const a vec2 = float(1)", err: true},
{stmt: "const a ivec2 = float(1)", err: true},
{stmt: "const a = 1.0", err: false},
{stmt: "const a bool = 1.0", err: true},
{stmt: "const a int = 1.0", err: false},
{stmt: "const a float = 1.0", err: false},
{stmt: "const a vec2 = 1.0", err: true},
{stmt: "const a ivec2 = 1.0", err: true},
{stmt: "const a = int(1.0)", err: false},
{stmt: "const a bool = int(1.0)", err: true},
{stmt: "const a int = int(1.0)", err: false},
{stmt: "const a float = int(1.0)", err: true},
{stmt: "const a vec2 = int(1.0)", err: true},
{stmt: "const a ivec2 = int(1.0)", err: true},
{stmt: "const a = float(1.0)", err: false},
{stmt: "const a bool = float(1.0)", err: true},
{stmt: "const a int = float(1.0)", err: true},
{stmt: "const a float = float(1.0)", err: false},
{stmt: "const a vec2 = float(1.0)", err: true},
{stmt: "const a ivec2 = float(1.0)", err: true},
{stmt: "const a = 1.1", err: false},
{stmt: "const a bool = 1.1", err: true},
{stmt: "const a int = 1.1", err: true},
{stmt: "const a float = 1.1", err: false},
{stmt: "const a vec2 = 1.1", err: true},
{stmt: "const a ivec2 = 1.1", err: true},
{stmt: "const a = int(1.1)", err: true},
{stmt: "const a bool = int(1.1)", err: true},
{stmt: "const a int = int(1.1)", err: true},
{stmt: "const a float = int(1.1)", err: true},
{stmt: "const a vec2 = int(1.1)", err: true},
{stmt: "const a ivec2 = int(1.1)", err: true},
{stmt: "const a = float(1.1)", err: false},
{stmt: "const a bool = float(1.1)", err: true},
{stmt: "const a int = float(1.1)", err: true},
{stmt: "const a float = float(1.1)", err: false},
{stmt: "const a vec2 = float(1.1)", err: true},
{stmt: "const a ivec2 = float(1.1)", err: true},
{stmt: "const a = vec2(0)", err: true},
{stmt: "const a bool = vec2(0)", err: true},
{stmt: "const a int = vec2(0)", err: true},
{stmt: "const a float = vec2(0)", err: true},
{stmt: "const a vec2 = vec2(0)", err: true},
{stmt: "const a ivec2 = vec2(0)", err: true},
{stmt: "const a = ivec2(0)", err: true},
{stmt: "const a bool = ivec2(0)", err: true},
{stmt: "const a int = ivec2(0)", err: true},
{stmt: "const a float = ivec2(0)", err: true},
{stmt: "const a vec2 = ivec2(0)", err: true},
{stmt: "const a ivec2 = ivec2(0)", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2549
func TestSyntaxConstType2(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "const x = 1; y := x*x; _ = vec4(1) / y", err: true},
{stmt: "const x = 1.0; y := x*x; _ = vec4(1) / y", err: false},
{stmt: "const x int = 1; y := x*x; _ = vec4(1) / y", err: true},
{stmt: "const x int = 1.0; y := x*x; _ = vec4(1) / y", err: true},
{stmt: "const x float = 1; y := x*x; _ = vec4(1) / y", err: false},
{stmt: "const x float = 1.0; y := x*x; _ = vec4(1) / y", err: false},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2704
func TestSyntaxConstType3(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "const x = 1; const y = 1; _ = x * y", err: false},
{stmt: "const x = 1; const y int = 1; _ = x * y", err: false},
{stmt: "const x int = 1; const y = 1; _ = x * y", err: false},
{stmt: "const x int = 1; const y int = 1; _ = x * y", err: false},
{stmt: "const x = 1; const y float = 1; _ = x * y", err: false},
{stmt: "const x float = 1; const y = 1; _ = x * y", err: false},
{stmt: "const x float = 1; const y float = 1; _ = x * y", err: false},
{stmt: "const x int = 1; const y float = 1; _ = x * y", err: true},
{stmt: "const x float = 1; const y int = 1; _ = x * y", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2348
func TestSyntaxCompositeLit(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "_ = undefined{1, 2, 3, 4}", err: true},
{stmt: "_ = int{1, 2, 3, 4}", err: true},
{stmt: "_ = vec4{1, 2, 3, 4}", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
func TestSyntaxCompilerDirective(t *testing.T) {
cases := []struct {
src string
unit shaderir.Unit
err bool
}{
{
src: `package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
unit: shaderir.Texels,
err: false,
},
{
src: `//kage:unit texels
package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
unit: shaderir.Texels,
err: false,
},
{
src: `//kage:unit pixels
package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
unit: shaderir.Pixels,
err: false,
},
{
src: `//kage:unit foo
package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
err: true,
},
{
src: `//kage:unit pixels
//kage:unit pixels
package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
err: true,
},
{
src: `//kage:unit pixels
//kage:unit texels
package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
err: true,
},
{
src: "\t " + `//kage:unit pixels` + " \t\r" + `
package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`,
unit: shaderir.Pixels,
err: false,
},
}
for _, c := range cases {
ir, err := compileToIR([]byte(c.src))
if err == nil && c.err {
t.Errorf("Compile(%q) must return an error but does not", c.src)
} else if err != nil && !c.err {
t.Errorf("Compile(%q) must not return nil but returned %v", c.src, err)
}
if err != nil || c.err {
continue
}
if got, want := ir.Unit, c.unit; got != want {
t.Errorf("Compile(%q).Unit: got: %d, want: %d", c.src, got, want)
}
}
}
// Issue #2654
func TestSyntaxOmittedReturnType(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func foo(x vec2) {
x = bar(x)
_ = x
}
func bar(x vec2) {
return x
}`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
// Issue #2590
func TestSyntaxAssignToUniformVariables(t *testing.T) {
if _, err := compileToIR([]byte(`package main
var Foo float
func foo(x vec2) {
Foo = 0
}`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
if _, err := compileToIR([]byte(`package main
var Foo float
func foo(x vec2) {
var x int
x, Foo = 0, 0
_ = x
}`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
if _, err := compileToIR([]byte(`package main
var Foo float
func foo(x vec2) {
Foo += 0
}`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
// Issue #2711
if _, err := compileToIR([]byte(`package main
var Foo float = 1
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
if _, err := compileToIR([]byte(`package main
var Foo, Bar int = 1, 1
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
// Issue #2705
func TestSyntaxInitWithNegativeInteger(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
var x float = -0
_ = x
return dstPos
}`)); err != nil {
t.Error(err)
}
}
// Issue #2706
func TestSyntaxReturnConst(t *testing.T) {
cases := []struct {
typ string
stmt string
err bool
}{
{typ: "bool", stmt: "true", err: false},
{typ: "int", stmt: "true", err: true},
{typ: "float", stmt: "true", err: true},
{typ: "bool", stmt: "1", err: true},
{typ: "int", stmt: "1", err: false},
{typ: "float", stmt: "1", err: false},
{typ: "bool", stmt: "1.0", err: true},
{typ: "int", stmt: "1.0", err: false},
{typ: "float", stmt: "1.0", err: false},
{typ: "bool", stmt: "1.1", err: true},
{typ: "int", stmt: "1.1", err: true},
{typ: "float", stmt: "1.1", err: false},
}
for _, c := range cases {
typ := c.typ
stmt := c.stmt
src := fmt.Sprintf(`package main
func Foo() %s {
return %s
}
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
return dstPos
}`, typ, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("return %s for type %s must return an error but does not", stmt, typ)
} else if err != nil && !c.err {
t.Errorf("return %s for type %s must not return nil but returned %v", stmt, typ, err)
}
}
}
// Issue #2706
func TestSyntaxScalarAndVector(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := vec2(1) + 1; var b vec2 = a; _ = b", err: false},
{stmt: "a := 1 + vec2(1); var b vec2 = a; _ = b", err: false},
{stmt: "a := vec2(1); b := 1; var c vec2 = a + b; _ = c", err: true},
{stmt: "a := vec2(1); b := 1; var c vec2 = b + a; _ = c", err: true},
{stmt: "a := vec2(1) + 1.0; var b vec2 = a; _ = b", err: false},
{stmt: "a := 1.0 + vec2(1); var b vec2 = a; _ = b", err: false},
{stmt: "a := vec2(1); b := 1.0; var c vec2 = a + b; _ = c", err: false},
{stmt: "a := vec2(1); b := 1.0; var c vec2 = b + a; _ = c", err: false},
{stmt: "a := vec2(1) + 1.1; var b vec2 = a; _ = b", err: false},
{stmt: "a := 1.1 + vec2(1); var b vec2 = a; _ = b", err: false},
{stmt: "a := vec2(1); b := 1.1; var c vec2 = a + b; _ = c", err: false},
{stmt: "a := vec2(1); b := 1.1; var c vec2 = b + a; _ = c", err: false},
{stmt: "a := ivec2(1) + 1; var b ivec2 = a; _ = b", err: false},
{stmt: "a := 1 + ivec2(1); var b ivec2 = a; _ = b", err: false},
{stmt: "a := ivec2(1); b := 1; var c ivec2 = a + b; _ = c", err: false},
{stmt: "a := ivec2(1); b := 1; var c ivec2 = b + a; _ = c", err: false},
{stmt: "a := ivec2(1) + 1.0; var b ivec2 = a; _ = b", err: false},
{stmt: "a := 1.0 + ivec2(1); var b ivec2 = a; _ = b", err: false},
{stmt: "a := ivec2(1); b := 1.0; var c ivec2 = a + b; _ = c", err: true},
{stmt: "a := ivec2(1); b := 1.0; var c ivec2 = b + a; _ = c", err: true},
{stmt: "a := ivec2(1) + 1.1; var b ivec2 = a; _ = b", err: true},
{stmt: "a := 1.1 + ivec2(1); var b ivec2 = a; _ = b", err: true},
{stmt: "a := ivec2(1); b := 1.1; var c ivec2 = a + b; _ = c", err: true},
{stmt: "a := ivec2(1); b := 1.1; var c ivec2 = b + a; _ = c", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2712
func TestSyntaxCast(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "a := int(1); _ = a", err: false},
{stmt: "a := int(1.0); _ = a", err: false},
{stmt: "a := int(1.1); _ = a", err: true},
{stmt: "const c = 1.1; a := int(c); _ = a", err: true},
{stmt: "const c float = 1.1; a := int(c); _ = a", err: true},
{stmt: "a := float(1); _ = a", err: false},
{stmt: "a := float(1.0); _ = a", err: false},
{stmt: "a := float(1.1); _ = a", err: false},
{stmt: "a := 1; _ = int(a)", err: false},
{stmt: "a := 1.0; _ = int(a)", err: false},
{stmt: "a := 1.1; _ = int(a)", err: false},
{stmt: "a := 1; _ = float(a)", err: false},
{stmt: "a := 1.0; _ = float(a)", err: false},
{stmt: "a := 1.1; _ = float(a)", err: false},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2718
func TestSyntaxCompare(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "_ = false == true", err: false},
{stmt: "_ = int(0) == int(1)", err: false},
{stmt: "_ = float(0) == float(1)", err: false},
{stmt: "_ = vec2(0) == vec2(1)", err: false},
{stmt: "_ = vec3(0) == vec3(1)", err: false},
{stmt: "_ = vec4(0) == vec4(1)", err: false},
{stmt: "_ = ivec2(0) == ivec2(1)", err: false},
{stmt: "_ = ivec3(0) == ivec3(1)", err: false},
{stmt: "_ = ivec4(0) == ivec4(1)", err: false},
{stmt: "_ = mat2(0) == mat2(1)", err: true},
{stmt: "_ = mat3(0) == mat3(1)", err: true},
{stmt: "_ = mat4(0) == mat4(1)", err: true},
{stmt: "_ = false != true", err: false},
{stmt: "_ = int(0) != int(1)", err: false},
{stmt: "_ = float(0) != float(1)", err: false},
{stmt: "_ = vec2(0) != vec2(1)", err: false},
{stmt: "_ = vec3(0) != vec3(1)", err: false},
{stmt: "_ = vec4(0) != vec4(1)", err: false},
{stmt: "_ = ivec2(0) != ivec2(1)", err: false},
{stmt: "_ = ivec3(0) != ivec3(1)", err: false},
{stmt: "_ = ivec4(0) != ivec4(1)", err: false},
{stmt: "_ = mat2(0) != mat2(1)", err: true},
{stmt: "_ = mat3(0) != mat3(1)", err: true},
{stmt: "_ = mat4(0) != mat4(1)", err: true},
{stmt: "_ = false < true", err: true},
{stmt: "_ = int(0) < int(1)", err: false},
{stmt: "_ = float(0) < float(1)", err: false},
{stmt: "_ = vec2(0) < vec2(1)", err: true},
{stmt: "_ = vec3(0) < vec3(1)", err: true},
{stmt: "_ = vec4(0) < vec4(1)", err: true},
{stmt: "_ = ivec2(0) < ivec2(1)", err: true},
{stmt: "_ = ivec3(0) < ivec3(1)", err: true},
{stmt: "_ = ivec4(0) < ivec4(1)", err: true},
{stmt: "_ = mat2(0) < mat2(1)", err: true},
{stmt: "_ = mat3(0) < mat3(1)", err: true},
{stmt: "_ = mat4(0) < mat4(1)", err: true},
{stmt: "_ = false <= true", err: true},
{stmt: "_ = int(0) <= int(1)", err: false},
{stmt: "_ = float(0) <= float(1)", err: false},
{stmt: "_ = vec2(0) <= vec2(1)", err: true},
{stmt: "_ = vec3(0) <= vec3(1)", err: true},
{stmt: "_ = vec4(0) <= vec4(1)", err: true},
{stmt: "_ = ivec2(0) <= ivec2(1)", err: true},
{stmt: "_ = ivec3(0) <= ivec3(1)", err: true},
{stmt: "_ = ivec4(0) <= ivec4(1)", err: true},
{stmt: "_ = mat2(0) <= mat2(1)", err: true},
{stmt: "_ = mat3(0) <= mat3(1)", err: true},
{stmt: "_ = mat4(0) <= mat4(1)", err: true},
{stmt: "_ = false > true", err: true},
{stmt: "_ = int(0) > int(1)", err: false},
{stmt: "_ = float(0) > float(1)", err: false},
{stmt: "_ = vec2(0) > vec2(1)", err: true},
{stmt: "_ = vec3(0) > vec3(1)", err: true},
{stmt: "_ = vec4(0) > vec4(1)", err: true},
{stmt: "_ = ivec2(0) > ivec2(1)", err: true},
{stmt: "_ = ivec3(0) > ivec3(1)", err: true},
{stmt: "_ = ivec4(0) > ivec4(1)", err: true},
{stmt: "_ = mat2(0) > mat2(1)", err: true},
{stmt: "_ = mat3(0) > mat3(1)", err: true},
{stmt: "_ = mat4(0) > mat4(1)", err: true},
{stmt: "_ = false >= true", err: true},
{stmt: "_ = int(0) >= int(1)", err: false},
{stmt: "_ = float(0) >= float(1)", err: false},
{stmt: "_ = vec2(0) >= vec2(1)", err: true},
{stmt: "_ = vec3(0) >= vec3(1)", err: true},
{stmt: "_ = vec4(0) >= vec4(1)", err: true},
{stmt: "_ = ivec2(0) >= ivec2(1)", err: true},
{stmt: "_ = ivec3(0) >= ivec3(1)", err: true},
{stmt: "_ = ivec4(0) >= ivec4(1)", err: true},
{stmt: "_ = mat2(0) >= mat2(1)", err: true},
{stmt: "_ = mat3(0) >= mat3(1)", err: true},
{stmt: "_ = mat4(0) >= mat4(1)", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2680
func TestSyntaxForWithLocalVariable(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func foo() {
i := 0
for i = 0; i < 1; i++ {
}
}`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
if _, err := compileToIR([]byte(`package main
func foo() {
for i, j := 0, 0; i < 1; i++ {
_ = j
}
}`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
// Issue #2648
func TestSyntaxDuplicatedUniformVariables(t *testing.T) {
if _, err := compileToIR([]byte(`package main
var Foo int
var Foo int
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
if _, err := compileToIR([]byte(`package main
var Foo int
var Bar float
var Foo vec2
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
// Issue #2747
func TestSyntaxMultipleAssignmentsAndTypeCheck(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo() (float, bool) {
return 0, false
}
func Bar() {
f, b := Foo()
_, _ = f, b
return
}
`)); err != nil {
t.Error(err)
}
if _, err := compileToIR([]byte(`package main
func Foo() (float, bool) {
return 0, false
}
func Bar() {
var f float
var b bool
f, b = Foo()
_, _ = f, b
return
}
`)); err != nil {
t.Error(err)
}
}
func TestSyntaxBitwiseOperator(t *testing.T) {
cases := []struct {
stmt string
err bool
}{
{stmt: "_ = false & true", err: true},
{stmt: "_ = int(0) & int(1)", err: false},
{stmt: "_ = float(0) & float(1)", err: true},
{stmt: "_ = vec2(0) & vec2(1)", err: true},
{stmt: "_ = vec3(0) & vec3(1)", err: true},
{stmt: "_ = vec4(0) & vec4(1)", err: true},
{stmt: "_ = ivec2(0) & ivec2(1)", err: false},
{stmt: "_ = ivec3(0) & ivec3(1)", err: false},
{stmt: "_ = ivec4(0) & ivec4(1)", err: false},
{stmt: "_ = ivec2(0) & int(1)", err: false},
{stmt: "_ = ivec3(0) & int(1)", err: false},
{stmt: "_ = ivec4(0) & int(1)", err: false},
{stmt: "_ = int(0) & ivec2(1)", err: false},
{stmt: "_ = int(0) & ivec3(1)", err: false},
{stmt: "_ = int(0) & ivec4(1)", err: false},
{stmt: "_ = mat2(0) & mat2(1)", err: true},
{stmt: "_ = mat3(0) & mat3(1)", err: true},
{stmt: "_ = mat4(0) & mat4(1)", err: true},
{stmt: "_ = false | true", err: true},
{stmt: "_ = int(0) | int(1)", err: false},
{stmt: "_ = float(0) | float(1)", err: true},
{stmt: "_ = vec2(0) | vec2(1)", err: true},
{stmt: "_ = vec3(0) | vec3(1)", err: true},
{stmt: "_ = vec4(0) | vec4(1)", err: true},
{stmt: "_ = ivec2(0) | ivec2(1)", err: false},
{stmt: "_ = ivec3(0) | ivec3(1)", err: false},
{stmt: "_ = ivec4(0) | ivec4(1)", err: false},
{stmt: "_ = ivec2(0) | int(1)", err: false},
{stmt: "_ = ivec3(0) | int(1)", err: false},
{stmt: "_ = ivec4(0) | int(1)", err: false},
{stmt: "_ = int(0) | ivec2(1)", err: false},
{stmt: "_ = int(0) | ivec3(1)", err: false},
{stmt: "_ = int(0) | ivec4(1)", err: false},
{stmt: "_ = mat2(0) | mat2(1)", err: true},
{stmt: "_ = mat3(0) | mat3(1)", err: true},
{stmt: "_ = mat4(0) | mat4(1)", err: true},
{stmt: "_ = false ^ true", err: true},
{stmt: "_ = int(0) ^ int(1)", err: false},
{stmt: "_ = float(0) ^ float(1)", err: true},
{stmt: "_ = vec2(0) ^ vec2(1)", err: true},
{stmt: "_ = vec3(0) ^ vec3(1)", err: true},
{stmt: "_ = vec4(0) ^ vec4(1)", err: true},
{stmt: "_ = ivec2(0) ^ ivec2(1)", err: false},
{stmt: "_ = ivec3(0) ^ ivec3(1)", err: false},
{stmt: "_ = ivec4(0) ^ ivec4(1)", err: false},
{stmt: "_ = ivec2(0) ^ int(1)", err: false},
{stmt: "_ = ivec3(0) ^ int(1)", err: false},
{stmt: "_ = ivec4(0) ^ int(1)", err: false},
{stmt: "_ = int(0) ^ ivec2(1)", err: false},
{stmt: "_ = int(0) ^ ivec3(1)", err: false},
{stmt: "_ = int(0) ^ ivec4(1)", err: false},
{stmt: "_ = mat2(0) ^ mat2(1)", err: true},
{stmt: "_ = mat3(0) ^ mat3(1)", err: true},
{stmt: "_ = mat4(0) ^ mat4(1)", err: true},
}
for _, c := range cases {
stmt := c.stmt
src := fmt.Sprintf(`package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
%s
return dstPos
}`, stmt)
_, err := compileToIR([]byte(src))
if err == nil && c.err {
t.Errorf("%s must return an error but does not", stmt)
} else if err != nil && !c.err {
t.Errorf("%s must not return nil but returned %v", stmt, err)
}
}
}
// Issue #2891
func TestSyntaxInvalidArgument(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo(x int) int {
return 0
}
func Bar() int {
return Foo(Foo)
}
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
// Issue #2891, #2910
func TestSyntaxTailingUnaryOperator(t *testing.T) {
if _, err := compileToIR([]byte(`package main
func Foo() {
1 + x := vec2(2)
}
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
if _, err := compileToIR([]byte(`package main
func Foo() {
1 + x, y := Bar()
}
func Bar() (int, int) {
return 0, 0
}
`)); err == nil {
t.Error("compileToIR must return an error but did not")
}
}
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