1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
%
% (c) The GRASP/AQUA Project, Glasgow University, 1993-1998
%
\section{Code output phase}
\begin{code}
module CodeOutput( codeOutput ) where
#include "HsVersions.h"
#ifndef OMIT_NATIVE_CODEGEN
import AsmCodeGen ( nativeCodeGen )
#endif
#ifdef ILX
import IlxGen ( ilxGen )
#endif
import JavaGen ( javaGen )
import qualified PrintJava
import TyCon ( TyCon )
import Id ( Id )
import Class ( Class )
import CoreSyn ( CoreBind )
import StgSyn ( StgBinding )
import AbsCSyn ( AbstractC, absCNop )
import PprAbsC ( dumpRealC, writeRealC )
import UniqSupply ( UniqSupply )
import Module ( Module, moduleString )
import CmdLineOpts
import Maybes ( maybeToBool )
import ErrUtils ( doIfSet, dumpIfSet )
import Outputable
import IO ( IOMode(..), hClose, openFile )
\end{code}
%************************************************************************
%* *
\subsection{Steering}
%* *
%************************************************************************
\begin{code}
codeOutput :: Module
-> [TyCon] -> [Class] -- Local tycons and classes
-> [CoreBind] -- Core bindings
-> [(StgBinding,[Id])] -- The STG program with SRTs
-> SDoc -- C stubs for foreign exported functions
-> SDoc -- Header file prototype for foreign exported functions
-> AbstractC -- Compiled abstract C
-> UniqSupply
-> IO ()
codeOutput mod_name tycons classes core_binds stg_binds
c_code h_code flat_abstractC ncg_uniqs
= -- You can have C (c_output) or assembly-language (ncg_output),
-- but not both. [Allowing for both gives a space leak on
-- flat_abstractC. WDP 94/10]
do {
outputForeignStubs c_code h_code ;
case opt_OutputLanguage of {
Nothing -> return () -- No -olang=xxx flag; so no-op
; Just "asm" -> outputAsm flat_abstractC ncg_uniqs
; Just "C" -> outputC flat_abstractC
; Just "java" -> outputJava mod_name tycons core_binds
; Just foo -> pprPanic "Don't understand output language" (quotes (text foo))
} }
doOutput io_action
= (do handle <- openFile opt_OutputFile WriteMode
io_action handle
hClose handle)
`catch` (\err -> pprPanic "Failed to open or write code output file" (text opt_OutputFile))
\end{code}
%************************************************************************
%* *
\subsection{C}
%* *
%************************************************************************
\begin{code}
outputC flat_absC
= do
dumpIfSet opt_D_dump_realC "Real C" (dumpRealC flat_absC)
doOutput (\ h -> writeRealC h flat_absC)
\end{code}
%************************************************************************
%* *
\subsection{Assembler}
%* *
%************************************************************************
\begin{code}
outputAsm flat_absC ncg_uniqs
#ifndef OMIT_NATIVE_CODEGEN
= do dumpIfSet opt_D_dump_stix "Final stix code" stix_final
dumpIfSet opt_D_dump_asm "Asm code" ncg_output_d
doOutput (\ f -> printForAsm f ncg_output_d)
where
(stix_final, ncg_output_d) = nativeCodeGen flat_absC ncg_uniqs
#else /* OMIT_NATIVE_CODEGEN */
= pprPanic "This compiler was built without a native code generator"
(text "Use -fvia-C instead")
#endif
\end{code}
%************************************************************************
%* *
\subsection{Java}
%* *
%************************************************************************
\begin{code}
outputJava mod tycons core_binds
= doOutput (\ f -> printForUser f pp_java)
-- User style printing for now to keep indentation
where
java_code = javaGen mod [{- Should be imports-}] tycons core_binds
pp_java = PrintJava.compilationUnit java_code
\end{code}
%************************************************************************
%* *
\subsection{Foreign import/export}
%* *
%************************************************************************
\begin{code}
outputForeignStubs c_code h_code
= do
dumpIfSet opt_D_dump_foreign "Foreign export header file" stub_h_output_d
outputForeignStubs_help True{-.h output-} opt_ProduceExportHStubs stub_h_output_w
dumpIfSet opt_D_dump_foreign "Foreign export stubs" stub_c_output_d
outputForeignStubs_help False{-not .h-} opt_ProduceExportCStubs stub_c_output_w
where
-- C stubs for "foreign export"ed functions.
stub_c_output_d = pprCode CStyle c_code
stub_c_output_w = showSDoc stub_c_output_d
-- Header file protos for "foreign export"ed functions.
stub_h_output_d = pprCode CStyle h_code
stub_h_output_w = showSDoc stub_h_output_d
-- Don't use doOutput for dumping the f. export stubs
-- since it is more than likely that the stubs file will
-- turn out to be empty, in which case no file should be created.
outputForeignStubs_help is_header switch "" = return ()
outputForeignStubs_help is_header switch doc_str =
case switch of
Nothing -> return ()
Just fname -> writeFile fname (include_prefix ++ doc_str)
where
include_prefix
| is_header = "#include \"Rts.h\"\n"
| otherwise = "#include \"RtsAPI.h\"\n"
\end{code}
|
