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expr to bool is now it's own function.

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* Now while and for loops work on ints and floats, like if statements
* This fixes the loop problem in #813
This commit is contained in:
Jimmi Holst Christensen
2018-03-06 11:57:51 +01:00
parent 61ecc48671
commit bf47cf418a
2 changed files with 139 additions and 87 deletions
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65
test/translate_c.zig
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@@ -1124,15 +1124,62 @@ pub fn addCases(cases: &tests.TranslateCContext) void {
\\ }
\\}
,
\\pub fn if_int(i: c_int) c_int {
\\ {
\\ const _tmp = i;
\\ if (@bitCast(@IntType(false, @sizeOf(@typeOf(_tmp)) * 8), _tmp) != 0) {
\\ return 0;
\\ } else {
\\ return 1;
\\ };
\\ };
\\pub fn if_int(i: c_int) c_int {
\\ if (__to_bool_expr: {
\\ const _tmp = i;
\\ break :__to_bool_expr @bitCast(@IntType(false, @sizeOf(@typeOf(_tmp)) * 8), _tmp) != 0;
\\ }) {
\\ return 0;
\\ } else {
\\ return 1;
\\ };
\\}
);
cases.add("while on int",
\\int while_int(int i) {
\\ while (i) {
\\ return 0;
\\ }
\\}
,
\\pub fn while_int(i: c_int) c_int {
\\ while (__to_bool_expr: {
\\ const _tmp = i;
\\ break :__to_bool_expr @bitCast(@IntType(false, @sizeOf(@typeOf(_tmp)) * 8), _tmp) != 0;
\\ }) {
\\ return 0;
\\ };
\\}
);
cases.add("for on int",
\\int for_int(int i) {
\\ for (;i;) {
\\ return 0;
\\ }
\\
\\ for (int j = 4;j;j--) {
\\ return 0;
\\ }
\\}
,
\\pub fn for_int(i: c_int) c_int {
\\ while (__to_bool_expr: {
\\ const _tmp = i;
\\ break :__to_bool_expr @bitCast(@IntType(false, @sizeOf(@typeOf(_tmp)) * 8), _tmp) != 0;
\\ }) {
\\ return 0;
\\ };
\\ {
\\ var j: c_int = 4;
\\ while (__to_bool_expr: {
\\ const _tmp = j;
\\ break :__to_bool_expr @bitCast(@IntType(false, @sizeOf(@typeOf(_tmp)) * 8), _tmp) != 0;
\\ }) : (j -= 1) {
\\ return 0;
\\ };
\\ };
\\}
);
}