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https://github.com/c3lang/c3c.git
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25bccf4883
- Remove `[?]` syntax. - Change `int!` to `int?` syntax. - New `fault` declarations. - Enum associated values can reference the calling enum.
87 lines
2.6 KiB
Plaintext
87 lines
2.6 KiB
Plaintext
// #target: macos-x64
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extern fn char*? readLine();
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extern fn int? atoi(char*);
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extern fn int printf(char* fmt, ...);
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fn void main()
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{
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char*? line = readLine();
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if (try line)
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{
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int? val = atoi(line);
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if (try val)
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{
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printf("You typed the number %d\n", val);
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return;
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}
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}
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printf("You didn't type an integer :(\n");
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}
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/* #expect: try_with_unwrap.ll
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define void @try_with_unwrap.main() #0 {
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entry:
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%line = alloca ptr, align 8
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%line.f = alloca i64, align 8
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%retparam = alloca ptr, align 8
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%val = alloca i32, align 4
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%val.f = alloca i64, align 8
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%retparam1 = alloca i32, align 4
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%0 = call i64 @readLine(ptr %retparam)
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%not_err = icmp eq i64 %0, 0
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%1 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %1, label %after_check, label %assign_optional
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assign_optional: ; preds = %entry
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store i64 %0, ptr %line.f, align 8
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br label %after_assign
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after_check: ; preds = %entry
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%2 = load ptr, ptr %retparam, align 8
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store ptr %2, ptr %line, align 8
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store i64 0, ptr %line.f, align 8
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br label %after_assign
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after_assign: ; preds = %after_check, %assign_optional
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%load.err = load i64, ptr %line.f, align 8
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%result = icmp eq i64 %load.err, 0
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br i1 %result, label %if.then, label %if.exit9
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if.then: ; preds = %after_assign
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%3 = load ptr, ptr %line, align 8
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%4 = call i64 @atoi(ptr %retparam1, ptr %3)
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%not_err2 = icmp eq i64 %4, 0
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%5 = call i1 @llvm.expect.i1(i1 %not_err2, i1 true)
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br i1 %5, label %after_check4, label %assign_optional3
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assign_optional3: ; preds = %if.then
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store i64 %4, ptr %val.f, align 8
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br label %after_assign5
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after_check4: ; preds = %if.then
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%6 = load i32, ptr %retparam1, align 4
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store i32 %6, ptr %val, align 4
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store i64 0, ptr %val.f, align 8
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br label %after_assign5
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after_assign5: ; preds = %after_check4, %assign_optional3
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%load.err6 = load i64, ptr %val.f, align 8
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%result7 = icmp eq i64 %load.err6, 0
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br i1 %result7, label %if.then8, label %if.exit
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if.then8: ; preds = %after_assign5
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%7 = load i32, ptr %val, align 4
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%8 = call i32 (ptr, ...) @printf(ptr @.str, i32 %7)
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ret void
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if.exit: ; preds = %after_assign5
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br label %if.exit9
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if.exit9: ; preds = %if.exit, %after_assign
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%9 = call i32 (ptr, ...) @printf(ptr @.str.1)
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ret void
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}
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