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translate-c: introduce the concept of scopes

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in preparation to implement switch and solve variable name collisions
This commit is contained in:
Andrew Kelley 2017-11-25 20:34:05 -05:00
parent a2afcae9ff
commit df0e875856
2 changed files with 452 additions and 234 deletions
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635
src/translate_c.cpp
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51
test/translate_c.zig
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@ -963,6 +963,16 @@ pub fn addCases(cases: &tests.TranslateCContext) {
\\}
);
cases.add("empty for loop",
\\void foo(void) {
\\ for (;;) { }
\\}
,
\\pub fn foo() {
\\ while (true) {};
\\}
);
cases.add("break statement",
\\void foo(void) {
\\ for (;;) {
@ -990,6 +1000,47 @@ pub fn addCases(cases: &tests.TranslateCContext) {
\\ };
\\}
);
//cases.add("switch statement",
// \\int foo(int x) {
// \\ switch (x) {
// \\ case 1:
// \\ x += 1;
// \\ case 2:
// \\ break;
// \\ case 3:
// \\ case 4:
// \\ return x + 1;
// \\ default:
// \\ return 10;
// \\ }
// \\ return x + 13;
// \\}
//,
// \\fn foo(_x: i32) -> i32 {
// \\ var x = _x;
// \\ switch (x) {
// \\ 1 => goto switch_case_1;
// \\ 2 => goto switch_case_2;
// \\ 3 => goto switch_case_3;
// \\ 4 => goto switch_case_4;
// \\ else => goto switch_default;
// \\ }
// \\switch_case_1:
// \\ x += 1;
// \\ goto switch_case_2;
// \\switch_case_2:
// \\ goto switch_end;
// \\switch_case_3:
// \\ goto switch_case_4;
// \\switch_case_4:
// \\ return x += 1;
// \\switch_default:
// \\ return 10;
// \\switch_end:
// \\ return x + 13;
// \\}
//);
}