initial checkin of SkSL compiler
BUG=skia:
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CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
Review-Url: https://codereview.chromium.org/1984363002
diff --git a/tests/SkSLErrorTest.cpp b/tests/SkSLErrorTest.cpp
new file mode 100644
index 0000000..75fa20d
--- /dev/null
+++ b/tests/SkSLErrorTest.cpp
@@ -0,0 +1,280 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSLCompiler.h"
+
+#include "Test.h"
+
+static void test_failure(skiatest::Reporter* r, const char* src, const char* error) {
+ SkSL::Compiler compiler;
+ std::stringstream out;
+ bool result = compiler.toSPIRV(SkSL::Program::kFragment_Kind, src, out);
+ if (compiler.errorText() != error) {
+ SkDebugf("SKSL ERROR:\n source: %s\n expected: %s received: %s", src, error,
+ compiler.errorText().c_str());
+ }
+ REPORTER_ASSERT(r, !result);
+ REPORTER_ASSERT(r, compiler.errorText() == error);
+}
+
+static void test_success(skiatest::Reporter* r, const char* src) {
+ SkSL::Compiler compiler;
+ std::stringstream out;
+ bool result = compiler.toSPIRV(SkSL::Program::kFragment_Kind, src, out);
+ REPORTER_ASSERT(r, result);
+}
+
+DEF_TEST(SkSLUndefinedSymbol, r) {
+ test_failure(r,
+ "void main() { x = vec2(1); }",
+ "error: 1: unknown identifier 'x'\n1 error\n");
+}
+
+DEF_TEST(SkSLUndefinedFunction, r) {
+ test_failure(r,
+ "void main() { int x = foo(1); }",
+ "error: 1: unknown identifier 'foo'\n1 error\n");
+}
+
+DEF_TEST(SkSLGenericArgumentMismatch, r) {
+ test_failure(r,
+ "void main() { float x = sin(1, 2); }",
+ "error: 1: no match for sin(int, int)\n1 error\n");
+}
+
+DEF_TEST(SkSLArgumentCountMismatch, r) {
+ test_failure(r,
+ "float foo(float x) { return x * x; }"
+ "void main() { float x = foo(1, 2); }",
+ "error: 1: call to 'foo' expected 1 argument, but found 2\n1 error\n");
+}
+
+DEF_TEST(SkSLArgumentMismatch, r) {
+ test_failure(r,
+ "float foo(float x) { return x * x; }"
+ "void main() { float x = foo(true); }",
+ "error: 1: expected 'float', but found 'bool'\n1 error\n");
+}
+
+DEF_TEST(SkSLIfTypeMismatch, r) {
+ test_failure(r,
+ "void main() { if (3) { } }",
+ "error: 1: expected 'bool', but found 'int'\n1 error\n");
+}
+
+DEF_TEST(SkSLDoTypeMismatch, r) {
+ test_failure(r,
+ "void main() { do { } while (vec2(1)); }",
+ "error: 1: expected 'bool', but found 'vec2'\n1 error\n");
+}
+
+DEF_TEST(SkSLWhileTypeMismatch, r) {
+ test_failure(r,
+ "void main() { while (vec3(1)) { } }",
+ "error: 1: expected 'bool', but found 'vec3'\n1 error\n");
+}
+
+DEF_TEST(SkSLForTypeMismatch, r) {
+ test_failure(r,
+ "void main() { for (int x = 0; x; x++) { } }",
+ "error: 1: expected 'bool', but found 'int'\n1 error\n");
+}
+
+DEF_TEST(SkSLConstructorTypeMismatch, r) {
+ test_failure(r,
+ "void main() { vec2 x = vec2(1.0, false); }",
+ "error: 1: expected 'float', but found 'bool'\n1 error\n");
+ test_failure(r,
+ "void main() { bool x = bool(1.0); }",
+ "error: 1: cannot construct 'bool'\n1 error\n");
+ test_failure(r,
+ "struct foo { int x; }; void main() { foo x = foo(5); }",
+ "error: 1: cannot construct 'foo'\n1 error\n");
+ test_failure(r,
+ "struct foo { int x; } foo; void main() { float x = float(foo); }",
+ "error: 1: invalid argument to 'float' constructor (expected a number or bool, but found 'foo')\n1 error\n");
+ test_failure(r,
+ "struct foo { int x; } foo; void main() { vec2 x = vec2(foo); }",
+ "error: 1: 'foo' is not a valid parameter to 'vec2' constructor\n1 error\n");
+}
+
+DEF_TEST(SkSLConstructorArgumentCount, r) {
+ test_failure(r,
+ "void main() { vec3 x = vec3(1.0, 2.0); }",
+ "error: 1: invalid arguments to 'vec3' constructor (expected 3 scalars, but "
+ "found 2)\n1 error\n");
+ test_success(r, "void main() { vec3 x = vec3(1.0, 2.0, 3.0, 4.0); }");
+}
+
+DEF_TEST(SkSLSwizzleScalar, r) {
+ test_failure(r,
+ "void main() { float x = 1; float y = x.y; }",
+ "error: 1: cannot swizzle value of type 'float'\n1 error\n");
+}
+
+DEF_TEST(SkSLSwizzleMatrix, r) {
+ test_failure(r,
+ "void main() { mat2 x = mat2(1); float y = x.y; }",
+ "error: 1: cannot swizzle value of type 'mat2'\n1 error\n");
+}
+
+DEF_TEST(SkSLSwizzleOutOfBounds, r) {
+ test_failure(r,
+ "void main() { vec3 test = vec2(1).xyz; }",
+ "error: 1: invalid swizzle component 'z'\n1 error\n");
+}
+
+DEF_TEST(SkSLSwizzleTooManyComponents, r) {
+ test_failure(r,
+ "void main() { vec4 test = vec2(1).xxxxx; }",
+ "error: 1: too many components in swizzle mask 'xxxxx'\n1 error\n");
+}
+
+DEF_TEST(SkSLSwizzleDuplicateOutput, r) {
+ test_failure(r,
+ "void main() { vec4 test = vec4(1); test.xyyz = vec4(1); }",
+ "error: 1: cannot write to the same swizzle field more than once\n1 error\n");
+}
+DEF_TEST(SkSLAssignmentTypeMismatch, r) {
+ test_failure(r,
+ "void main() { int x = 1.0; }",
+ "error: 1: expected 'int', but found 'float'\n1 error\n");
+}
+
+DEF_TEST(SkSLReturnFromVoid, r) {
+ test_failure(r,
+ "void main() { return true; }",
+ "error: 1: may not return a value from a void function\n1 error\n");
+}
+
+DEF_TEST(SkSLReturnMissingValue, r) {
+ test_failure(r,
+ "int foo() { return; } void main() { }",
+ "error: 1: expected function to return 'int'\n1 error\n");
+}
+
+DEF_TEST(SkSLReturnTypeMismatch, r) {
+ test_failure(r,
+ "int foo() { return 1.0; } void main() { }",
+ "error: 1: expected 'int', but found 'float'\n1 error\n");
+}
+
+DEF_TEST(SkSLDuplicateFunction, r) {
+ test_failure(r,
+ "void main() { } void main() { }",
+ "error: 1: duplicate definition of void main()\n1 error\n");
+ test_success(r,
+ "void main(); void main() { }");
+}
+
+DEF_TEST(SkSLUsingInvalidValue, r) {
+ test_failure(r,
+ "void main() { int x = int; }",
+ "error: 1: expected '(' to begin constructor invocation\n1 error\n");
+ test_failure(r,
+ "int test() { return 1; } void main() { int x = test; }",
+ "error: 1: expected '(' to begin function call\n1 error\n");
+}
+DEF_TEST(SkSLDifferentReturnType, r) {
+ test_failure(r,
+ "int main() { } void main() { }",
+ "error: 1: functions 'void main()' and 'int main()' differ only in return type\n1 "
+ "error\n");
+}
+
+DEF_TEST(SkSLDifferentModifiers, r) {
+ test_failure(r,
+ "void test(int x); void test(out int x) { }",
+ "error: 1: modifiers on parameter 1 differ between declaration and definition\n1 "
+ "error\n");
+}
+
+DEF_TEST(SkSLDuplicateSymbol, r) {
+ test_failure(r,
+ "int main; void main() { }",
+ "error: 1: symbol 'main' was already defined\n1 error\n");
+
+ test_failure(r,
+ "int x; int x; void main() { }",
+ "error: 1: symbol 'x' was already defined\n1 error\n");
+
+ test_success(r, "int x; void main() { int x; }");
+}
+
+DEF_TEST(SkSLBinaryTypeMismatch, r) {
+ test_failure(r,
+ "void main() { float x = 3 * true; }",
+ "error: 1: type mismatch: '*' cannot operate on 'int', 'bool'\n1 error\n");
+ test_failure(r,
+ "void main() { bool x = 1 || 2.0; }",
+ "error: 1: type mismatch: '||' cannot operate on 'int', 'float'\n1 error\n");
+}
+
+DEF_TEST(SkSLCallNonFunction, r) {
+ test_failure(r,
+ "void main() { float x = 3; x(); }",
+ "error: 1: 'x' is not a function\n1 error\n");
+}
+
+DEF_TEST(SkSLInvalidUnary, r) {
+ test_failure(r,
+ "void main() { mat4 x = mat4(1); ++x; }",
+ "error: 1: '++' cannot operate on 'mat4'\n1 error\n");
+ test_failure(r,
+ "void main() { vec3 x = vec3(1); --x; }",
+ "error: 1: '--' cannot operate on 'vec3'\n1 error\n");
+ test_failure(r,
+ "void main() { mat4 x = mat4(1); x++; }",
+ "error: 1: '++' cannot operate on 'mat4'\n1 error\n");
+ test_failure(r,
+ "void main() { vec3 x = vec3(1); x--; }",
+ "error: 1: '--' cannot operate on 'vec3'\n1 error\n");
+ test_failure(r,
+ "void main() { int x = !12; }",
+ "error: 1: '!' cannot operate on 'int'\n1 error\n");
+ test_failure(r,
+ "struct foo { } bar; void main() { foo x = +bar; }",
+ "error: 1: '+' cannot operate on 'foo'\n1 error\n");
+ test_failure(r,
+ "struct foo { } bar; void main() { foo x = -bar; }",
+ "error: 1: '-' cannot operate on 'foo'\n1 error\n");
+ test_success(r,
+ "void main() { vec2 x = vec2(1, 1); x = +x; x = -x; }");
+}
+
+DEF_TEST(SkSLInvalidAssignment, r) {
+ test_failure(r,
+ "void main() { 1 = 2; }",
+ "error: 1: cannot assign to '1'\n1 error\n");
+ test_failure(r,
+ "uniform int x; void main() { x = 0; }",
+ "error: 1: cannot modify immutable variable 'x'\n1 error\n");
+ test_failure(r,
+ "const int x; void main() { x = 0; }",
+ "error: 1: cannot modify immutable variable 'x'\n1 error\n");
+}
+
+DEF_TEST(SkSLBadIndex, r) {
+ test_failure(r,
+ "void main() { int x = 2[0]; }",
+ "error: 1: expected array, but found 'int'\n1 error\n");
+ test_failure(r,
+ "void main() { vec2 x = vec2(0); int y = x[0]; }",
+ "error: 1: expected array, but found 'vec2'\n1 error\n");
+}
+
+DEF_TEST(SkSLTernaryMismatch, r) {
+ test_failure(r,
+ "void main() { int x = 5 > 2 ? true : 1.0; }",
+ "error: 1: ternary operator result mismatch: 'bool', 'float'\n1 error\n");
+}
+
+DEF_TEST(SkSLInterfaceBlockStorageModifiers, r) {
+ test_failure(r,
+ "uniform foo { out int x; };",
+ "error: 1: interface block fields may not have storage qualifiers\n1 error\n");
+}