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Add arrays of arrays

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This commit is contained in:
Rui Ueyama 2019-08-05 23:56:37 +09:00
parent 8b6395d0f2
commit 3ce1b2d067
2 changed files with 10 additions and 2 deletions
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5
parse.c
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@ -125,7 +125,7 @@ static Type *func_params(Token **rest, Token *tok, Type *ty) {
}
// type-suffix = "(" func-params
// | "[" num "]"
// | "[" num "]" type-suffix
// | ε
static Type *type_suffix(Token **rest, Token *tok, Type *ty) {
if (equal(tok, "("))
@ -133,7 +133,8 @@ static Type *type_suffix(Token **rest, Token *tok, Type *ty) {
if (equal(tok, "[")) {
int sz = get_number(tok->next);
*rest = skip(tok->next->next, "]");
tok = skip(tok->next->next, "]");
ty = type_suffix(rest, tok, ty);
return array_of(ty, sz);
}

7
test.sh
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@ -118,4 +118,11 @@ assert 3 'int main() { int x[3]; *x=3; *(x+1)=4; *(x+2)=5; return *x; }'
assert 4 'int main() { int x[3]; *x=3; *(x+1)=4; *(x+2)=5; return *(x+1); }'
assert 5 'int main() { int x[3]; *x=3; *(x+1)=4; *(x+2)=5; return *(x+2); }'
assert 0 'int main() { int x[2][3]; int *y=x; *y=0; return **x; }'
assert 1 'int main() { int x[2][3]; int *y=x; *(y+1)=1; return *(*x+1); }'
assert 2 'int main() { int x[2][3]; int *y=x; *(y+2)=2; return *(*x+2); }'
assert 3 'int main() { int x[2][3]; int *y=x; *(y+3)=3; return **(x+1); }'
assert 4 'int main() { int x[2][3]; int *y=x; *(y+4)=4; return *(*(x+1)+1); }'
assert 5 'int main() { int x[2][3]; int *y=x; *(y+5)=5; return *(*(x+1)+2); }'
echo OK