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feat(lex_parser, pprocessor): replace consume with next and remove stream resets

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- Replace `scc_probe_stream_consume` with `scc_probe_stream_next` for consistent stream advancement
- Remove redundant `scc_probe_stream_reset` calls before peeking, as `next` and `peek` handle state
- Update `scc_cstring_new` to `scc_cstring_create` and `scc_pos_init` to `scc_pos_create` for naming consistency
- Change `scc_pp_macro_get` parameter to `const scc_cstring_t*` for better const-correctness
- Improves code clarity and maintains proper stream position tracking
This commit is contained in:
zzy
2025-12-28 10:49:29 +08:00
parent 07f5d9331b
commit 09f4ac8de0
20 changed files with 445 additions and 262 deletions
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35
libs/pprocessor/tests/test_unit.c
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@@ -15,7 +15,7 @@ static cbool process_input(const char *input, scc_cstring_t *output) {
// 获取输出结果
int ch;
*output = scc_cstring_new();
*output = scc_cstring_create();
while (1) {
ch = scc_probe_stream_consume(output_stream);
if (ch == scc_stream_eof) {
@@ -104,6 +104,17 @@ static void test_define_nested_macros(void) {
"((1 + 1) + 1)\n");
}
static void test_undef_macros(void) {
TEST_CASE("test_undef_macros");
CHECK_PP_OUTPUT_EXACT("#define x 1\n"
"x\n"
"#undef x\n"
"x\n"
"#define x 2\n"
"x\n",
"1\nx\n2\n");
}
static void hard_test_define_func_macros(void) {
TEST_CASE("func_macros_hard with pp_01");
CHECK_PP_OUTPUT_EXACT("#define hash_hash # ## #\n"
@@ -139,6 +150,27 @@ static void hard_test_define_func_macros(void) {
"#define M3(x) x\n"
"M3(M3(M2)(0))\n",
"M1(0 + 1)\n");
TEST_CASE("TODO");
CHECK_PP_OUTPUT_EXACT("#define str(x) # x\n"
"str()\n",
"\"\"\n");
TEST_CASE("TODO");
CHECK_PP_OUTPUT_EXACT("#define x 1\n"
"#define f(a) f(x * (a))\n"
"f(0)\n"
"f(x)",
"f(1 * (0))\n"
"f(1 * (1))");
CHECK_PP_OUTPUT_EXACT("#define x x(0)\n"
"#define f(a) f(x * (a))\n"
"f(f(0))\n"
"f(f(x))\n"
"f(f(a))\n",
"f(x(0) * (f(x(0) * (0))))\n"
"f(x(0) * (f(x(0) * (x(0)))))\n"
"f(x(0) * (f(x(0) * (a))))\n");
}
static void test_conditional_compilation(void) {
@@ -177,6 +209,7 @@ TEST_LIST = {
TEST_LIST_CASE(test_define_stringify_operator),
TEST_LIST_CASE(test_define_concat_operator),
TEST_LIST_CASE(test_define_nested_macros),
TEST_LIST_CASE(test_undef_macros),
TEST_LIST_CASE(hard_test_define_func_macros),
{NULL, NULL},
};