Decimal Literal

[torial]

I have found that when trying to declare a decimal literal, such as -100000000d, I get an error: 'Expecting EOL, but got "d" (ID) instead.' This is easily resolved by adding a period and a zero: -100000000.0d

Despite there being an easy resolution, I'm unsure why it is required to have a .0 for decimal literals. Given that Cobra is very smart about figuring many other things out, why isn't it smart enough to treat it as a decimal w/o choking? Is this something I should write a bug for, or is it WAD?

[Charles]

I can't think of any problems with whole number literals having suffixes like d, f32, f64 and f to set their type. Any objections?

Should we also have "n" for "number" which is a type in Cobra?

[todd.a]

We definitely need one for byte/uint8. Will come in handy for byte arrays.

[Charles]

We already have that covered:

x = 5u8
trace x
# outputs:
#     trace: x=5 (Byte); at ...

[todd.a]

Ah, sweet.

[torial]

I love the idea of "n" for number.

[Charles]

Done in changeset:2467:

Support numeric literals like `45n` for `number` and `45d` for decimal. Previously, the `d` suffix required a decimal portion (`45.0d`) and there was no `n` suffix available.
reported-by:torial

Please test it and let me know how it goes.

[hopscc]

It seems since that patch the cobra tests fail - specifically Tests/110-basics-two/110-int-types.cobra

Code: Select all



RUN ..\Tests\110-basics-two\110-int-types.cobra
    C:\home\hops\src\cobra\wkspace1\Source\..\Tests\110-basics-two\110-int-types.cobra
    Test #1
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Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(185): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(187): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(219): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(221): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(236): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(238): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(253): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Skipping duplicate message: c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(255): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(185): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(187): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(189): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(219): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(221): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(223): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(236): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(238): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(240): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(242): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(253): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(255): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
c:\home\hops\src\cobra\wkspace1\Tests\tests\110-basics-two\110-int-types.cobra(257): error: The call is ambiguous between the following methods or properties: "Cobra.Lang.CobraImp.IsTrue(float?)" and "Cobra.Lang.CobraImp.IsTrue(decimal?)" (C#)
Compilation failed - 13 errors, 0 warnings
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[Charles]

Did you do a "cobra -bsl" to produce a new Cobra.Lang.dll? I think this is the problem.

[hopscc]

My apologies, so it is