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Use single-space indentation for wasm2c's generated code

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This pretty much halves the file size of the generated C source code. I have decided to not touch the initial code since I don't believe it would be that beneficial.
This commit is contained in:
Ennui Langeweile authored and Andrew Kelley committed 2026-07-30 19:06:55 +02:00
1 parent b6361fa84a
commit d632f2a5b4
2 files changed
+12 -12
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stage1/FuncGen.h
+3 -3
View File
@@ -52,17 +52,17 @@ static void FuncGen_free(struct FuncGen *self) {
}
static void FuncGen_outdent(struct FuncGen *self, FILE *out) {
for (uint32_t i = 0; i < self->block_i; i += 1) fputs(" ", out);
for (uint32_t i = 0; i < self->block_i; i += 1) fputs(" ", out);
}
static void FuncGen_indent(struct FuncGen *self, FILE *out) {
FuncGen_outdent(self, out);
fputs(" ", out);
fputs(" ", out);
}
static void FuncGen_cont(struct FuncGen *self, FILE *out) {
FuncGen_indent(self, out);
fputs(" ", out);
fputs(" ", out);
}
static uint32_t FuncGen_localAlloc(struct FuncGen *self, int8_t type) {
stage1/wasm2c.c
+9 -9
View File
@@ -518,8 +518,8 @@ int main(int argc, char **argv) {
}
fprintf(out,
") {\n"
" init();\n"
" %sf%" PRIu32 "(",
" init();\n"
" %sf%" PRIu32 "(",
func_type->result->len > 0 ? "return " : "", idx - imports_len);
for (uint32_t param_i = 0; param_i < func_type->param->len; param_i += 1) {
if (param_i > 0) fputs(", ", out);
@@ -552,7 +552,7 @@ int main(int argc, char **argv) {
uint32_t segment_len = InputStream_readLeb128_u32(&in);
for (uint32_t i = 0; i < segment_len; i += 1) {
uint32_t func_id = InputStream_readLeb128_u32(&in);
fprintf(out, " t%" PRIu32 "[UINT32_C(%" PRIu32 ")] = (void (*)(void))&",
fprintf(out, " t%" PRIu32 "[UINT32_C(%" PRIu32 ")] = (void (*)(void))&",
table_idx, offset + i);
if (func_id < imports_len)
fprintf(out, "%s_%s", imports[func_id].mod, imports[func_id].name);
@@ -2260,9 +2260,9 @@ int main(int argc, char **argv) {
uint32_t len = InputStream_readLeb128_u32(&in);
fputs("static void init_data(void) {\n", out);
for (uint32_t i = 0; i < mems_len; i += 1)
fprintf(out, " p%" PRIu32 " = UINT32_C(%" PRIu32 ");\n"
" c%" PRIu32 " = p%" PRIu32 ";\n"
" m%" PRIu32 " = calloc(c%" PRIu32 ", UINT32_C(1) << 16);\n",
fprintf(out, " p%" PRIu32 " = UINT32_C(%" PRIu32 ");\n"
" c%" PRIu32 " = p%" PRIu32 ";\n"
" m%" PRIu32 " = calloc(c%" PRIu32 ", UINT32_C(1) << 16);\n",
i, mems[i].limits.min, i, i, i, i);
for (uint32_t segment_i = 0; segment_i < len; segment_i += 1) {
uint32_t mem_idx;
@@ -2280,15 +2280,15 @@ int main(int argc, char **argv) {
uint32_t offset = evalExpr(&in);
uint32_t segment_len = InputStream_readLeb128_u32(&in);
fputc('\n', out);
fprintf(out, " static const uint8_t s%" PRIu32 "[UINT32_C(%" PRIu32 ")] = {",
fprintf(out, " static const uint8_t s%" PRIu32 "[UINT32_C(%" PRIu32 ")] = {",
segment_i, segment_len);
for (uint32_t i = 0; i < segment_len; i += 1) {
if (i % 32 == 0) fputs("\n ", out);
fprintf(out, " 0x%02hhX,", InputStream_readByte(&in));
}
fprintf(out, "\n"
" };\n"
" memcpy(&m%" PRIu32 "[UINT32_C(0x%" PRIX32 ")], s%" PRIu32 ", UINT32_C(%" PRIu32 "));\n",
" };\n"
" memcpy(&m%" PRIu32 "[UINT32_C(0x%" PRIX32 ")], s%" PRIu32 ", UINT32_C(%" PRIu32 "));\n",
mem_idx, offset, segment_i, segment_len);
}
fputs("}\n", out);