module c
import ffi_base
+import light_c
-redef class FFILanguageAssignationPhase
- var c_language: FFILanguage = new CLanguage(self)
-end
-
-class CLanguage
- super FFILanguage
-
- redef fun identify_language(n) do return n.is_c
-
- redef fun compile_module_block(block, ecc, mmodule)
- do
- if block.is_c_header then
- ecc.header_custom.add block.location.as_line_pragma
- ecc.header_custom.add "\n"
- ecc.header_custom.add block.code
- else if block.is_c_body then
- ecc.body_impl.add block.location.as_line_pragma
- ecc.body_impl.add "\n"
- ecc.body_impl.add block.code
- end
- end
-
- redef fun compile_extern_method(block, m, ecc, mmodule)
- do
- var fc = new ExternCFunction(m, mmodule)
- fc.decls.add( block.location.as_line_pragma )
- fc.exprs.add( block.code )
- ecc.add_exported_function( fc )
- end
-
- redef fun compile_extern_class(block, m, ecc, mmodule) do end
-
- redef fun get_ftype(block, m) do return new ForeignCType(block.code)
-
+redef class CLanguage
redef fun compile_callback(callback, mmodule, mainmodule, ecc)
do
callback.compile_callback_to_c(mainmodule, ecc)
end
end
-redef class AExternCodeBlock
- fun is_c: Bool do return language_name == null or
- language_name_lowered == "c" or language_name_lowered.has_prefix( "c " )
-
- fun is_c_body: Bool do return language_name == null or
- language_name_lowered == "c" or language_name_lowered == "c body"
-
- fun is_c_header: Bool do return language_name_lowered == "c header"
-end
-
-redef class Location
- fun as_line_pragma: String do return "#line {line_start-1} \"{file.filename}\"\n"
-end
-
-redef class MModule
- # FIXME make nullable the key of `cflags`, `ldflags` and `cppflags` when
- # supported by the bootstrap
-
- # Custom options for the C compiler (CFLAGS)
- var cflags = new MultiHashMap[String, String]
-
- # Custom options for the C linker (LDFLAGS)
- var ldflags = new MultiHashMap[String, String]
-
- # Additional libraries needed for the compilation
- # Will be used with pkg-config
- var pkgconfigs = new Array[String]
-end
-
-class ForeignCType
- super ForeignType
-
- redef var ctype: String
-end
-
redef class NitniCallback
fun compile_callback_to_c(mmodule: MModule, ffi_ccu: CCompilationUnit) do end
end
-redef class Object
- # Context when calling user C code from generated code
- fun to_c_call_context: ToCCallContext do return once new ToCCallContext
-
- # Context when calling generated code from user C code
- fun from_c_call_context: FromCCallContext do return once new FromCCallContext
-end
-
redef class MExplicitCall
redef fun compile_callback_to_c(mmodule, ffi_ccu)
do
ffi_ccu.body_decl.add("#define {friendly_cname} {full_cname}\n")
end
end
-
-# Context when calling user C code from generated code
-class ToCCallContext
- super CallContext
-
- # TODO: private init because singleton instance (see `to_c_call_context`)
-
- redef fun name_mtype(mtype)
- do
- if mtype isa MClassType and mtype.mclass.kind == extern_kind then return "void *"
- return mtype.cname
- end
-end
-
-# Context when calling generated code from user C code
-class FromCCallContext
- super CallContext
-
- # TODO: private init because singleton instance (see `from_c_call_context`)
-
- redef fun name_mtype(mtype) do return mtype.cname
-end
-
-class ExternCFunction
- super CFunction
-
- var method: AMethPropdef
-
- init (method: AMethPropdef, mmodule: MModule)
- do
- self.method = method
-
- var recv_mtype = method.mpropdef.mclassdef.bound_mtype
- var csignature = method.mpropdef.mproperty.build_csignature(recv_mtype, mmodule, "___impl", long_signature, from_c_call_context)
-
- super( csignature )
- end
-end
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2012-2014 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Support for nesting C code within a Nit program using its FFI
+module light_c
+
+import modelize::modelize_property
+
+import light_ffi_base
+
+redef class FFILanguageAssignationPhase
+ var c_language: FFILanguage = new CLanguage(self)
+end
+
+class CLanguage
+ super FFILanguage
+
+ redef fun identify_language(n) do return n.is_c
+
+ redef fun compile_module_block(block, ecc, mmodule)
+ do
+ if block.is_c_header then
+ ecc.header_custom.add block.location.as_line_pragma
+ ecc.header_custom.add "\n"
+ ecc.header_custom.add block.code
+ else if block.is_c_body then
+ ecc.body_impl.add block.location.as_line_pragma
+ ecc.body_impl.add "\n"
+ ecc.body_impl.add block.code
+ end
+ end
+
+ redef fun compile_extern_method(block, m, ecc, mmodule)
+ do
+ var fc = new ExternCFunction(m, mmodule)
+ fc.decls.add( block.location.as_line_pragma )
+ fc.exprs.add( block.code )
+ ecc.add_exported_function( fc )
+ end
+
+ redef fun compile_extern_class(block, m, ecc, mmodule) do end
+
+ redef fun get_ftype(block, m) do return new ForeignCType(block.code)
+end
+
+redef class AExternCodeBlock
+ fun is_c: Bool do return language_name == null or
+ language_name_lowered == "c" or language_name_lowered.has_prefix( "c " )
+
+ fun is_c_body: Bool do return language_name == null or
+ language_name_lowered == "c" or language_name_lowered == "c body"
+
+ fun is_c_header: Bool do return language_name_lowered == "c header"
+end
+
+redef class Location
+ fun as_line_pragma: String do return "#line {line_start-1} \"{file.filename}\"\n"
+end
+
+redef class MModule
+ # FIXME make nullable the key of `cflags`, `ldflags` and `cppflags` when
+ # supported by the bootstrap
+
+ # Custom options for the C compiler (CFLAGS)
+ var cflags = new MultiHashMap[String, String]
+
+ # Custom options for the C linker (LDFLAGS)
+ var ldflags = new MultiHashMap[String, String]
+
+ # Additional libraries needed for the compilation
+ # Will be used with pkg-config
+ var pkgconfigs = new Array[String]
+end
+
+class ForeignCType
+ super ForeignType
+
+ redef var ctype: String
+end
+
+redef class Object
+ # Context when calling user C code from generated code
+ fun to_c_call_context: ToCCallContext do return once new ToCCallContext
+
+ # Context when calling generated code from user C code
+ fun from_c_call_context: FromCCallContext do return once new FromCCallContext
+end
+
+# Context when calling user C code from generated code
+class ToCCallContext
+ super CallContext
+
+ # TODO: private init because singleton instance (see `to_c_call_context`)
+
+ redef fun name_mtype(mtype)
+ do
+ if mtype isa MClassType and mtype.mclass.kind == extern_kind then return "void *"
+ return mtype.cname
+ end
+end
+
+# Context when calling generated code from user C code
+class FromCCallContext
+ super CallContext
+
+ # TODO: private init because singleton instance (see `from_c_call_context`)
+
+ redef fun name_mtype(mtype) do return mtype.cname
+end
+
+class ExternCFunction
+ super CFunction
+
+ var method: AMethPropdef
+
+ init (method: AMethPropdef, mmodule: MModule)
+ do
+ self.method = method
+
+ var recv_mtype = method.mpropdef.mclassdef.bound_mtype
+ var csignature = method.mpropdef.mproperty.build_csignature(recv_mtype, mmodule, "___impl", long_signature, from_c_call_context)
+
+ super( csignature )
+ end
+end
nitlanguage / nit.git / commitdiff