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wasm2c: remove unnecessary brackets to reduce max bracket depth

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This avoids the need to pass `-fbracket-depth=512` to clang.
This commit is contained in:
Jacob Young
2022-12-05 03:44:35 -05:00
committed by Andrew Kelley
parent fdb98c5ce1
commit 9f4ef4de23
3 changed files with 29 additions and 14 deletions
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20
stage1/FuncGen.h
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@@ -119,9 +119,15 @@ static void FuncGen_blockBegin(struct FuncGen *self, FILE *out, enum WasmOpcode
if (self->block == NULL) panic("out of memory");
}
uint32_t label = FuncGen_localAlloc(self, type < 0 ? ~(int8_t)kind : (int8_t)kind);
FuncGen_indent(self, out);
if (kind == WasmOpcode_if) fprintf(out, "if (l%" PRIu32 ") ", FuncGen_stackPop(self));
fputs("{\n", out);
if (kind == WasmOpcode_if) {
FuncGen_indent(self, out);
fprintf(out, "if (l%" PRIu32 ") {\n", FuncGen_stackPop(self));
} else if (EXTRA_BRACES) {
FuncGen_indent(self, out);
fputs("{\n", out);
}
self->block[self->block_i].type = type < 0 ? ~type : type;
self->block[self->block_i].label = label;
self->block[self->block_i].stack_i = self->stack_i;
@@ -148,8 +154,12 @@ static void FuncGen_blockEnd(struct FuncGen *self, FILE *out) {
uint32_t label = FuncGen_blockLabel(self, 0);
if (kind != WasmOpcode_loop) FuncGen_label(self, out, label);
self->block_i -= 1;
FuncGen_indent(self, out);
fputs("}\n", out);
if (EXTRA_BRACES || kind == WasmOpcode_if) {
FuncGen_indent(self, out);
fputs("}\n", out);
}
if (self->stack_i != self->block[self->block_i].stack_i) {
FuncGen_indent(self, out);
fprintf(out, "// stack mismatch %u != %u\n", self->stack_i, self->block[self->block_i].stack_i);