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(GHC)
(General: use a less intimidating example)
 
(3 intermediate revisions by one user not shown)
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| compiling and linking an executable
 
| compiling and linking an executable
 
| --make
 
| --make
|<haskell>ghc --make Main.hs --> Main</haskell>
+
|<pre>ghc --make Main.hs --> Main</pre>
 
|-
 
|-
 
| compiling without linking
 
| compiling without linking
 
| -c
 
| -c
|<haskell>ghc -c Foo.hs --> Foo.hi, Foo.o</haskell>
+
|<pre>ghc -c Foo.hs --> Foo.hi, Foo.o</pre>
 
|-
 
|-
 
| generating Assembler code
 
| generating Assembler code
 
| -S
 
| -S
|<haskell>ghc -S Foo.hs --> Foo.hi, Foo.s</haskell>
+
|<pre>ghc -S Foo.hs --> Foo.hi, Foo.s</pre>
 
|-
 
|-
 
| generating C code
 
| generating C code
 
| -C
 
| -C
|<haskell>ghc -C Foo.hs --> Foo.hc, Foo.hi</haskell>
+
|<pre>ghc -C Foo.hs --> Foo.hc, Foo.hi</pre>
 
|-
 
|-
 
| linking files into an executable
 
| linking files into an executable
 
| -o
 
| -o
|<haskell>ghc -o test Foo.o Bar.o Baz.p --> test</haskell>
+
|<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 Monad
+
Prelude> :i True
class Monad m where
+
data Bool = ... | True -- Defined in GHC.Bool
(>>=) :: m a -> (a -> m b) -> m b
 
(>>) :: m a -> m b -> m b
 
return :: a -> m a
 
fail :: String -> m a
 
-- Defined in GHC.Base
 
instance Monad Maybe -- Defined in Data.Maybe
 
instance Monad IO -- Defined in GHC.IOBase
 
instance Monad ((->) r) -- Defined in Control.Monad.Instances
 
instance Monad [] -- Defined in GHC.Base
 
 
</haskell>
 
</haskell>
 
|-
 
|-
Line 59: 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

Contents

[edit] 1 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

[edit] 2 GHCi

[edit] 2.1 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

[edit] 2.2 Debugging

Problem Solution Examples
setting a break point  :break
Prelude> :break 2    -- sets a break point in line 2

[edit] 3 Hugs

TODO