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-rw-r--r--tests/codegen_test.c37
-rw-r--r--tests/parser_test.c40
-rw-r--r--tests/sema_test.c8
3 files changed, 85 insertions, 0 deletions
diff --git a/tests/codegen_test.c b/tests/codegen_test.c
index db23791..e2969db 100644
--- a/tests/codegen_test.c
+++ b/tests/codegen_test.c
@@ -100,6 +100,23 @@ static void test_generate_if_else(struct TestContext* context)
free_program(&program);
}
+static void test_generate_negative(struct TestContext* context)
+{
+ struct Lexer lexer = create_lexer(
+ "const N = -8\nproc main\n{\nrax = -5\nrbx = rax + -3\n}\n");
+ struct Program program;
+ check(context, parse_program(&lexer, &program));
+
+ char buffer[1024];
+ generate_to_buffer(&program, buffer, sizeof(buffer));
+
+ check(context, strstr(buffer, "%define N (-8)") != NULL);
+ check(context, strstr(buffer, "mov rax, -5") != NULL);
+ check(context, strstr(buffer, "add rbx, -3") != NULL);
+
+ free_program(&program);
+}
+
static void test_generate_call(struct TestContext* context)
{
struct Lexer lexer = create_lexer(
@@ -344,6 +361,24 @@ static void test_generate_load(struct TestContext* context)
free_program(&program);
}
+static void test_generate_signed_load(struct TestContext* context)
+{
+ struct Lexer lexer = create_lexer(
+ "proc main\n{\nrax = ^signed byte rsi\nrbx = ^signed word rsi\nrcx = ^signed dword rsi\n}\n");
+ struct Program program;
+ check(context, parse_program(&lexer, &program));
+
+ char buffer[1024];
+ generate_to_buffer(&program, buffer, sizeof(buffer));
+
+ check(context, strstr(buffer, "movsx rax, byte [rsi]") != NULL);
+ check(context, strstr(buffer, "movsx rbx, word [rsi]") != NULL);
+ check(context, strstr(buffer, "movsxd rcx, dword [rsi]") != NULL);
+ check(context, strstr(buffer, "; TODO") == NULL);
+
+ free_program(&program);
+}
+
static void test_generate_enum_struct(struct TestContext* context)
{
struct Lexer lexer = create_lexer(
@@ -441,6 +476,7 @@ void run_codegen_tests(struct TestContext* context)
test_generate_add_zero_peephole(context);
test_generate_enum_struct(context);
test_generate_load(context);
+ test_generate_signed_load(context);
test_generate_logical_registers(context);
test_generate_logical_disabled(context);
test_generate_entry_and_bits(context);
@@ -449,6 +485,7 @@ void run_codegen_tests(struct TestContext* context)
test_generate_text(context);
test_generate_if(context);
test_generate_if_else(context);
+ test_generate_negative(context);
test_generate_call(context);
test_generate_param_substitution(context);
test_generate_divide(context);
diff --git a/tests/parser_test.c b/tests/parser_test.c
index 32ea422..e1199eb 100644
--- a/tests/parser_test.c
+++ b/tests/parser_test.c
@@ -46,6 +46,25 @@ static void test_parse_const_expr(struct TestContext* context)
free_program(&program);
}
+static void test_parse_unary(struct TestContext* context)
+{
+ struct Lexer lexer = create_lexer("const N = -8\nproc main\n{\nrax = -5\n}\n");
+ struct Program program;
+
+ check(context, parse_program(&lexer, &program));
+
+ const struct Expr* konst = program.consts[0].value;
+ check(context, konst->kind == EXPR_UNARY);
+ check(context, text_is(konst->unary.op, "-"));
+ check(context, primary_is(konst->unary.operand, "8"));
+
+ const struct Expr* value = program.procs[0].body[0].assign.value;
+ check(context, value->kind == EXPR_UNARY);
+ check(context, primary_is(value->unary.operand, "5"));
+
+ free_program(&program);
+}
+
static void test_parse_data(struct TestContext* context)
{
struct Lexer lexer = create_lexer("data msg = \"hi\"\n");
@@ -264,6 +283,25 @@ static void test_parse_sized_deref(struct TestContext* context)
free_program(&program);
}
+static void test_parse_signed_deref(struct TestContext* context)
+{
+ struct Lexer lexer = create_lexer("proc main\n{\nrax = ^signed byte rsi\nrbx = ^byte rsi\n}\n");
+ struct Program program;
+
+ check(context, parse_program(&lexer, &program));
+
+ const struct Expr* signed_load = program.procs[0].body[0].assign.value;
+ check(context, signed_load->kind == EXPR_DEREF);
+ check(context, signed_load->deref.is_signed);
+ check(context, signed_load->deref.size == STORE_SIZE_BYTE);
+
+ const struct Expr* plain_load = program.procs[0].body[1].assign.value;
+ check(context, plain_load->kind == EXPR_DEREF);
+ check(context, !plain_load->deref.is_signed);
+
+ free_program(&program);
+}
+
static void test_parse_directives(struct TestContext* context)
{
struct Lexer lexer = create_lexer("[bits: 32]\n[entry: kmain]\n[enable: logical_registers]\nproc kmain\n{\nsyscall\n}\n");
@@ -349,6 +387,7 @@ void run_parser_tests(struct TestContext* context)
{
test_parse_consts(context);
test_parse_const_expr(context);
+ test_parse_unary(context);
test_parse_data(context);
test_parse_proc_params(context);
test_parse_proc_body(context);
@@ -360,6 +399,7 @@ void run_parser_tests(struct TestContext* context)
test_parse_call(context);
test_parse_stack(context);
test_parse_sized_deref(context);
+ test_parse_signed_deref(context);
test_parse_directives(context);
test_parse_bad_directive(context);
test_parse_register_size_suffix(context);
diff --git a/tests/sema_test.c b/tests/sema_test.c
index dc01d47..643ffdf 100644
--- a/tests/sema_test.c
+++ b/tests/sema_test.c
@@ -97,6 +97,13 @@ static void test_deref_needs_register(struct TestContext* context)
check(context, analyze_source("proc main\n{\nrax = ^rsi\n}\n"));
}
+static void test_signed_load_needs_size(struct TestContext* context)
+{
+ check(context, analyze_source("proc main\n{\nrax = ^signed byte rsi\n}\n"));
+ check(context, !analyze_source("proc main\n{\nrax = ^signed rsi\n}\n"));
+ check(context, !analyze_source("proc main\n{\nrax = ^signed qword rsi\n}\n"));
+}
+
static void test_stack_size_constant(struct TestContext* context)
{
check(context, analyze_source(
@@ -152,6 +159,7 @@ void run_sema_tests(struct TestContext* context)
test_const_expr_rejects_register(context);
test_const_expr_rejects_data(context);
test_deref_needs_register(context);
+ test_signed_load_needs_size(context);
test_stack_size_constant(context);
test_enum_struct_members(context);
test_references_resolve(context);