Cookbook/Compilers and interpreters: Difference between revisions
< Cookbook
m (→GHC: typo) |
(→General: use a less intimidating example) |
||
| (6 intermediate revisions by the same user not shown) | |||
| Line 9: | Line 9: | ||
| compiling and linking an executable | | compiling and linking an executable | ||
| --make | | --make | ||
|< | |<pre>ghc --make Main.hs --> Main</pre> | ||
|- | |- | ||
| compiling | | compiling without linking | ||
| -c | | -c | ||
|< | |<pre>ghc -c Foo.hs --> Foo.hi, Foo.o</pre> | ||
|- | |- | ||
| generating Assembler code | | generating Assembler code | ||
| -S | | -S | ||
|< | |<pre>ghc -S Foo.hs --> Foo.hi, Foo.s</pre> | ||
|- | |- | ||
| generating C code | | generating C code | ||
| -C | | -C | ||
|< | |<pre>ghc -C Foo.hs --> Foo.hc, Foo.hi</pre> | ||
|- | |- | ||
| linking files into an executable | | linking files into an executable | ||
| -o | | -o | ||
|< | |<pre>ghc -o test Foo.o Bar.o Baz.p --> test</pre> | ||
|} | |} | ||
== GHCi == | == GHCi == | ||
=== General === | |||
{| class="wikitable" | {| class="wikitable" | ||
| Line 39: | Line 41: | ||
| :i | | :i | ||
|<haskell> | |<haskell> | ||
Prelude> :i | Prelude> :i True | ||
data Bool = ... | True -- Defined in GHC.Bool | |||
</haskell> | </haskell> | ||
|- | |- | ||
| Line 68: | Line 61: | ||
[1 of 1] Compiling Foo ( Foo.hs, interpreted ) | [1 of 1] Compiling Foo ( Foo.hs, interpreted ) | ||
Ok, modules loaded: Foo. | Ok, modules loaded: Foo. | ||
</haskell> | |||
|- | |||
| reloading all loaded files | |||
| :r | |||
|<haskell> | |||
Prelude> :r | |||
</haskell> | |||
|} | |||
=== Debugging === | |||
{| class="wikitable" | |||
|- | |||
! Problem | |||
! Solution | |||
! Examples | |||
|- | |||
| setting a break point | |||
| :break | |||
|<haskell> | |||
Prelude> :break 2 -- sets a break point in line 2 | |||
</haskell> | </haskell> | ||
|} | |} | ||
Latest revision as of 08:33, 25 January 2010
GHC
| Problem | Solution | Examples |
|---|---|---|
| compiling and linking an executable | --make | ghc --make Main.hs --> Main |
| compiling without linking | -c | ghc -c Foo.hs --> Foo.hi, Foo.o |
| generating Assembler code | -S | ghc -S Foo.hs --> Foo.hi, Foo.s |
| generating C code | -C | ghc -C Foo.hs --> Foo.hc, Foo.hi |
| linking files into an executable | -o | ghc -o test Foo.o Bar.o Baz.p --> test |
GHCi
General
| Problem | Solution | Examples |
|---|---|---|
| checking a definition | :i | Prelude> :i True
data Bool = ... | True -- Defined in GHC.Bool |
| checking a type | :t | Prelude> :t "Hello"
"Hello" :: [Char]
Prelude> :t length
length :: [a] -> Int |
| loading a file | :l | Prelude> :l Foo.hs
[1 of 1] Compiling Foo ( Foo.hs, interpreted )
Ok, modules loaded: Foo. |
| reloading all loaded files | :r | Prelude> :r |
Debugging
| Problem | Solution | Examples |
|---|---|---|
| setting a break point | :break | Prelude> :break 2 -- sets a break point in line 2 |
Hugs
TODO