public void Comparers()
{
var code = "func hoge() {" +
" var x = 1 > 10" +
" x = 1 < 10" +
" x = 1 >= 10" +
" x = 1 <= 10" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func $hoge (local $x i32) " +
// >
"i32.const 1 " +
"i32.const 10 " +
"i32.gt_s " +
"set_local $x " +
// <
"i32.const 1 " +
"i32.const 10 " +
"i32.lt_s " +
"set_local $x " +
// >=
"i32.const 1 " +
"i32.const 10 " +
"i32.ge_s " +
"set_local $x " +
// <=
"i32.const 1 " +
"i32.const 10 " +
"i32.le_s " +
"set_local $x" +
"))", actual);
}
public void StringWithVariable()
{
var code = /*"use memory 1 from js.mem;" + */
"extern func console.log(s: string);" +
"func hoge() {" +
" var x = \"hoge\";" +
" console.log(x)" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(import \"js\" \"mem\" (memory 1)) " +
"(data (i32.const 0) \"hoge\") " +
"(import \"console\" \"log\" (func $console.log (param $s_0 i32) (param $s_1 i32))) " +
"(func $hoge (local $x_0 i32) (local $x_1 i32) " +
"i32.const 0 " +
"set_local $x_0 " +
"i32.const 4 " +
"set_local $x_1 " +
"get_local $x_0 " +
"get_local $x_1 " +
"call $console.log)" +
")", actual);
}
public void IfExpressionWithResult()
{
var code = "func hoge(): i32 {" +
" var x = 10;" +
" var y = if x == 10 {" +
" 1;" +
" } else {" +
" 0;" +
" }" +
" y;" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func $hoge (result i32) (local $x i32) (local $y i32) " +
"i32.const 10 " +
"set_local $x " +
"get_local $x " +
"i32.const 10 " +
"i32.eq " +
"if (result i32) " +
"i32.const 1 " +
"else " +
"i32.const 0 " +
"end " +
"set_local $y " +
"get_local $y)" +
")", actual);
}
public void NumberArray()
{
var code = "func hoge(): i32 {" +
" var x = new i32[1]" +
" x[0] = 1" +
" x[0]" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(import \"js\" \"mem\" (memory 1)) " +
"(func $hoge (result i32) (local $x i32) " +
// x = 0 (offset in memory)
"i32.const 0 " +
"set_local $x " +
// get offset x[0]
"get_local $x " +
"i32.const 0 " +
"i32.add " +
// store 1 in x[0]
"i32.const 1 " +
"i32.store " +
// get x[0]
"get_local $x " +
"i32.const 0 " +
"i32.add " +
"i32.load" +
"))", actual);
}
public void Loop()
{
var code = "pub func hoge(): i32 {" +
" var i = 0" +
" loop {" +
" i = i + 1" +
" if i == 5 { break; }" +
" }" +
" i" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func (export \"hoge\") (result i32) (local $i i32) " +
"i32.const 0 " +
"set_local $i " +
"block " +
"loop " +
"get_local $i " +
"i32.const 1 " +
"i32.add " +
"set_local $i " +
"get_local $i " +
"i32.const 5 " +
"i32.eq " +
"if " +
"br 2 " +
"end " +
"br 0 " +
"end " +
"end " +
"get_local $i)" +
")", actual);
}
public void PrivateFunctionTest()
{
var code = @"func hoge() {}".Trim();
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module (func $hoge))", actual);
}
public void PublicFunctionTest()
{
var code = @"pub func hoge() {}".Trim();
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module (func (export \"hoge\")))", actual);
}
public void Test1()
{
var code = "";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module)", actual);
}
public void FunctionWithSingleParamTest()
{
var code = @"pub func hoge(a: i32) {}".Trim();
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module (func (export \"hoge\") (param $a i32)))", actual);
}
public void ReadParameterTest()
{
var code = @"func hoge(a: i32): i32 { return a; }".Trim();
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module (func $hoge (param $a i32) (result i32) get_local $a return))", actual);
}
public void FunctionWithReturnTest()
{
var code = @"pub func hoge(): i32 {}".Trim();
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func (export \"hoge\") (result i32))" +
")", actual);
}
public void IntLiteralTest()
{
var code = "func getAnswer(): i32 {" +
" return 42;" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func $getAnswer (result i32) " +
"i32.const 42 " +
"return" +
")" +
")", actual);
}
public void Extern()
{
var code = "extern func console.log(x: i32);" +
"func hoge() {" +
" console.log(10)" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(import \"console\" \"log\" (func $console.log (param $x i32))) " +
"(func $hoge " +
"i32.const 10 " +
"call $console.log)" +
")", actual);
}
public void AdditionTest()
{
var code = "func add(lhs: i32, rhs:i32): i32 {" +
" return lhs + rhs;" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func $add (param $lhs i32) (param $rhs i32) (result i32) " +
"get_local $lhs " +
"get_local $rhs " +
"i32.add " +
"return" +
")" +
")", actual);
}
public void UseLocalVariable()
{
var code = "func hoge(): i32 {" +
" var x = 10;" +
" return x;" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func $hoge (result i32) (local $x i32) " +
"i32.const 10 " +
"set_local $x " +
"get_local $x " +
"return)" +
")", actual);
}
public void PlusEqual()
{
var code = "func hoge() {" +
" var x = 1" +
" x += 1" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module (func $hoge (local $x i32) " +
"i32.const 1 " +
"set_local $x " +
"i32.const 1 " +
"get_local $x " +
"i32.add " +
"set_local $x" +
"))", actual);
}
public void CallAnotherFunction()
{
var code = "func getAnswer(): i32 {" +
" return 42;" +
"}" +
"pub func getAnswerPlus1(): i32 {" +
" return getAnswer() + 1;" +
"}";
var tree = new WasmicSyntaxTree().ParseText(code);
var actual = WasmicCompiler.Compile(tree);
Assert.Equal("(module " +
"(func $getAnswer (result i32) " +
"i32.const 42 " +
"return) " +
"(func (export \"getAnswerPlus1\") (result i32) " +
"call $getAnswer " +
"i32.const 1 " +
"i32.add " +
"return)" +
")", actual);
}
