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translate-c: Fix #12263

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Tau 2022-10-10 18:17:52 +02:00
parent 02fff6fd01
commit 2ca503ec05
2 changed files with 34 additions and 37 deletions
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2
src/translate_c/ast.zig
View file

@ -910,7 +910,7 @@ fn renderNode(c: *Context, node: Node) Allocator.Error!NodeIndex {
},
.call => {
const payload = node.castTag(.call).?.data;
const lhs = try renderNode(c, payload.lhs);
const lhs = try renderNodeGrouped(c, payload.lhs);
return renderCall(c, lhs, payload.args);
},
.null_literal => return c.addNode(.{

69
test/run_translated_c.zig
View file

@ -891,42 +891,39 @@ pub fn addCases(cases: *tests.RunTranslatedCContext) void {
\\}
, "");
if (@import("builtin").zig_backend == .stage1) {
// https://github.com/ziglang/zig/issues/12263
cases.add("Obscure ways of calling functions; issue #4124",
\\#include <stdlib.h>
\\static int add(int a, int b) {
\\ return a + b;
\\}
\\typedef int (*adder)(int, int);
\\typedef void (*funcptr)(void);
\\int main() {
\\ if ((add)(1, 2) != 3) abort();
\\ if ((&add)(1, 2) != 3) abort();
\\ if (add(3, 1) != 4) abort();
\\ if ((*add)(2, 3) != 5) abort();
\\ if ((**add)(7, -1) != 6) abort();
\\ if ((***add)(-2, 9) != 7) abort();
\\
\\ int (*ptr)(int a, int b);
\\ ptr = add;
\\
\\ if (ptr(1, 2) != 3) abort();
\\ if ((*ptr)(3, 1) != 4) abort();
\\ if ((**ptr)(2, 3) != 5) abort();
\\ if ((***ptr)(7, -1) != 6) abort();
\\ if ((****ptr)(-2, 9) != 7) abort();
\\
\\ funcptr addr1 = (funcptr)(add);
\\ funcptr addr2 = (funcptr)(&add);
\\
\\ if (addr1 != addr2) abort();
\\ if (((int(*)(int, int))addr1)(1, 2) != 3) abort();
\\ if (((adder)addr2)(1, 2) != 3) abort();
\\ return 0;
\\}
, "");
}
cases.add("Obscure ways of calling functions; issue #4124",
\\#include <stdlib.h>
\\static int add(int a, int b) {
\\ return a + b;
\\}
\\typedef int (*adder)(int, int);
\\typedef void (*funcptr)(void);
\\int main() {
\\ if ((add)(1, 2) != 3) abort();
\\ if ((&add)(1, 2) != 3) abort();
\\ if (add(3, 1) != 4) abort();
\\ if ((*add)(2, 3) != 5) abort();
\\ if ((**add)(7, -1) != 6) abort();
\\ if ((***add)(-2, 9) != 7) abort();
\\
\\ int (*ptr)(int a, int b);
\\ ptr = add;
\\
\\ if (ptr(1, 2) != 3) abort();
\\ if ((*ptr)(3, 1) != 4) abort();
\\ if ((**ptr)(2, 3) != 5) abort();
\\ if ((***ptr)(7, -1) != 6) abort();
\\ if ((****ptr)(-2, 9) != 7) abort();
\\
\\ funcptr addr1 = (funcptr)(add);
\\ funcptr addr2 = (funcptr)(&add);
\\
\\ if (addr1 != addr2) abort();
\\ if (((int(*)(int, int))addr1)(1, 2) != 3) abort();
\\ if (((adder)addr2)(1, 2) != 3) abort();
\\ return 0;
\\}
, "");
cases.add("Return boolean expression as int; issue #6215",
\\#include <stdlib.h>