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#include <src/CommonTypes.h>
#include <src/Lexer.h>
#include <src/Parser.h>
#include "src/ByteCodeGenerator.h"
#include <gtest/gtest.h>
#include <sstream>
TEST(CodeGen, Empty)
{
IPLString source = "";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 0\n"
"1: pop 0\n"
"2: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, VarDeclations)
{
IPLString source = "var a;";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 1\n"
"1: pop 1\n"
"2: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, VarDeclationsWithValue)
{
IPLString source = "var a = 5;";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 2\n"
"1: const r1 5.000000\n"
"2: mov r0 r1\n"
"3: pop 2\n"
"4: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, VarDeclationsBinaryExpre)
{
IPLString source = "var a = 5 + 6;";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 4\n"
"1: const r1 6.000000\n"
"2: const r2 5.000000\n"
"3: add r3 r2 r1\n"
"4: mov r0 r3\n"
"5: pop 4\n"
"6: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, VariableAssignment)
{
IPLString source = "var a; a = 5;";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 2\n"
"1: const r1 5.000000\n"
"2: mov r0 r1\n"
"3: pop 2\n"
"4: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, MultiVariableAssignment)
{
IPLString source = "var a; var b = 6; a = b;";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 3\n"
"1: const r2 6.000000\n"
"2: mov r1 r2\n"
"3: mov r0 r1\n"
"4: pop 3\n"
"5: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, SimpleIf)
{
IPLString source = "var a = 5; if (a < 1) { a = 7}";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 5\n"
"1: const r1 5.000000\n"
"2: mov r0 r1\n"
"3: const r2 1.000000\n"
"4: less r3 r0 r2\n"
"5: jmpf r3 8\n"
"6: const r4 7.000000\n"
"7: mov r0 r4\n"
"8: pop 5\n"
"9: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, SimpleIfElse)
{
IPLString source = "var a = 5; if (a < 1) { a = 3; } else { a = 7; }";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 6\n"
"1: const r1 5.000000\n"
"2: mov r0 r1\n"
"3: const r2 1.000000\n"
"4: less r3 r0 r2\n"
"5: jmpf r3 9\n"
"6: const r4 3.000000\n"
"7: mov r0 r4\n"
"8: jmp 11\n"
"9: const r5 7.000000\n"
"10: mov r0 r5\n"
"11: pop 6\n"
"12: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, SimpleFor)
{
IPLString source = "var a = 0; for (var i = 0; i < 5; i++ ){ a = a + i; }";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 9\n"
"1: const r1 0.000000\n"
"2: mov r0 r1\n"
"3: const r3 0.000000\n"
"4: mov r2 r3\n"
"5: const r4 5.000000\n"
"6: less r5 r2 r4\n"
"7: jmpf r5 14\n"
"8: add r6 r0 r2\n"
"9: mov r0 r6\n"
"10: const r7 1.000000\n"
"11: mov r8 r2\n"
"12: add r2 r2 r7\n"
"13: jmp 5\n"
"14: pop 9\n"
"15: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, EmptyObject)
{
IPLString source = "var a = {}";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 2\n"
"1: mov r0 r1\n"
"2: pop 2\n"
"3: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, ObjectWithFlatProps)
{
IPLString source = "var a = {a: 5, n: \"pesho\"}";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 6\n"
"1: const r2 5.000000\n"
"2: string r3 a\n"
"3: set r1 r3 r2\n"
"4: string r4 pesho\n"
"5: string r5 n\n"
"6: set r1 r5 r4\n"
"7: mov r0 r1\n"
"8: pop 6\n"
"9: halt\n";
ASSERT_TRUE(asmb == expected);
}
TEST(CodeGen, NestedObjects)
{
IPLString source = "var a = {a: 5, n: \"pesho\", obj1: {a: 4, b: 5}}\n";
IPLVector<Token> tokens = Tokenize(source.c_str()).tokens;
auto ast = Parse(tokens);
auto asmb = GenerateByteCode(ast, source,
ByteCodeGeneratorOptions(ByteCodeGeneratorOptions::OptimizationsType::None, false));
IPLString expected = "0: push 12\n"
"1: const r2 5.000000\n"
"2: string r3 a\n"
"3: set r1 r3 r2\n"
"4: string r4 pesho\n"
"5: string r5 n\n"
"6: set r1 r5 r4\n"
"7: const r7 4.000000\n"
"8: string r8 a\n"
"9: set r6 r8 r7\n"
"10: const r9 5.000000\n"
"11: string r10 b\n"
"12: set r6 r10 r9\n"
"13: string r11 obj1\n"
"14: set r1 r11 r6\n"
"15: mov r0 r1\n"
"16: pop 12\n"
"17: halt\n";
ASSERT_TRUE(asmb == expected);
}
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