var opt_no_cc = new OptionBool("Do not invoke C compiler", "--no-cc")
# --no-main
var opt_no_main = new OptionBool("Do not generate main entry point", "--no-main")
- # --cc-paths
- var opt_cc_path = new OptionArray("Set include path for C header files (may be used more than once)", "--cc-path")
# --make-flags
var opt_make_flags = new OptionString("Additional options to make", "--make-flags")
# --max-c-lines
self.option_context.add_option(self.opt_no_gcc_directive)
self.option_context.add_option(self.opt_release)
self.option_context.add_option(self.opt_max_c_lines, self.opt_group_c_files)
+
+ opt_no_main.hidden = true
end
redef fun process_options(args)
class MakefileToolchain
super Toolchain
- # The list of directories to search for included C headers (-I for C compilers)
- # The list is initially set with :
- # * the toolcontext --cc-path option
- # * the NIT_CC_PATH environment variable
- # * `toolcontext.nit_dir`
- # Path can be added (or removed) by the client
- var cc_paths = new Array[String]
-
- # The clib directory of Nit
- # Used to found some common runtime
- var clib: String is noinit
-
- protected fun gather_cc_paths
- do
- # Look for the the Nit clib path
- var path_env = toolcontext.nit_dir
- if path_env != null then
- var libname = "{path_env}/clib"
- if not libname.file_exists then
- toolcontext.fatal_error(null, "Cannot determine the nit clib path. define envvar NIT_DIR.")
- end
- clib = libname
- end
-
- # Add user defined cc_paths
- cc_paths.append(toolcontext.opt_cc_path.value)
-
- path_env = "NIT_CC_PATH".environ
- if not path_env.is_empty then
- cc_paths.append(path_env.split_with(':'))
- end
- end
redef fun write_and_make(compiler)
do
- gather_cc_paths
-
var compile_dir = compile_dir
# Generate the .h and .c files
do
var platform = compiler.mainmodule.target_platform
if self.toolcontext.opt_stacktrace.value == "nitstack" and (platform == null or platform.supports_libunwind) then compiler.build_c_to_nit_bindings
- var cc_opt_with_libgc = "-DWITH_LIBGC `pkg-config --cflags bdw-gc`"
+ var cc_opt_with_libgc = "-DWITH_LIBGC"
if platform != null and not platform.supports_libgc then cc_opt_with_libgc = ""
# Add gc_choser.h to aditionnal bodies
var gc_chooser = new ExternCFile("gc_chooser.c", cc_opt_with_libgc)
+ if cc_opt_with_libgc != "" then gc_chooser.pkgconfigs.add "bdw-gc"
compiler.extern_bodies.add(gc_chooser)
+ var clib = toolcontext.nit_dir / "clib"
compiler.files_to_copy.add "{clib}/gc_chooser.c"
compiler.files_to_copy.add "{clib}/gc_chooser.h"
self.toolcontext.info("Total C source files to compile: {cfiles.length}", 2)
end
- fun makefile_name(mainmodule: MModule): String do return "{mainmodule.name}.mk"
+ fun makefile_name(mainmodule: MModule): String do return "{mainmodule.c_name}.mk"
fun default_outname(mainmodule: MModule): String
do
var outname = outfile(mainmodule)
- var outpath = compile_dir.relpath(outname)
+ var real_outpath = compile_dir.relpath(outname)
+ var outpath = real_outpath.escape_to_mk
+ if outpath != real_outpath then
+ # If the name is crazy and need escaping, we will do an indirection
+ # 1. generate the binary in the .nit_compile dir under an escaped name
+ # 2. copy the binary at the right place in the `all` goal.
+ outpath = mainmodule.c_name
+ end
var makename = makefile_name(mainmodule)
var makepath = "{compile_dir}/{makename}"
var makefile = new OFStream.open(makepath)
- var cc_includes = ""
- for p in cc_paths do
- cc_includes += " -I \"" + p + "\""
- end
-
var linker_options = new HashSet[String]
for m in mainmodule.in_importation.greaters do
var libs = m.collect_linker_libs
if libs != null then linker_options.add_all(libs)
end
- makefile.write("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g -O2 -Wno-unused-value -Wno-switch\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS ?= -lm `pkg-config --libs bdw-gc` {linker_options.join(" ")}\n\n")
+ makefile.write("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g -O2 -Wno-unused-value -Wno-switch -Wno-attributes\nCINCL =\nLDFLAGS ?= \nLDLIBS ?= -lm {linker_options.join(" ")}\n\n")
var ost = toolcontext.opt_stacktrace.value
if (ost == "libunwind" or ost == "nitstack") and (platform == null or platform.supports_libunwind) then makefile.write("NEED_LIBUNWIND := YesPlease\n")
makefile.write("ifdef NEED_LIBUNWIND\n\tLDLIBS += -lunwind\nendif\n")
- makefile.write("all: {outpath}\n\n")
+ makefile.write("all: {outpath}\n")
+ if outpath != real_outpath then
+ makefile.write("\tcp -- {outpath.escape_to_sh} {real_outpath.escape_to_sh.replace("$","$$")}")
+ end
+ makefile.write("\n")
var ofiles = new Array[String]
var dep_rules = new Array[String]
var java_files = new Array[ExternFile]
+ var pkgconfigs = new Array[String]
+ for f in compiler.extern_bodies do
+ pkgconfigs.add_all f.pkgconfigs
+ end
+ # Protect pkg-config
+ if not pkgconfigs.is_empty then
+ makefile.write """
+# does pkg-config exists?
+ifneq ($(shell which pkg-config >/dev/null; echo $$?), 0)
+$(error "Command `pkg-config` not found. Please install it")
+endif
+"""
+ for p in pkgconfigs do
+ makefile.write """
+# Check for library {{{p}}}
+ifneq ($(shell pkg-config --exists '{{{p}}}'; echo $$?), 0)
+$(error "pkg-config: package {{{p}}} is not found.")
+endif
+"""
+ end
+ end
+
# Compile each required extern body into a specific .o
for f in compiler.extern_bodies do
var o = f.makefile_rule_name
end
# Link edition
- makefile.write("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath} {ofiles.join(" ")} $(LDLIBS)\n\n")
+ var pkg = ""
+ if not pkgconfigs.is_empty then
+ pkg = "`pkg-config --libs {pkgconfigs.join(" ")}`"
+ end
+ makefile.write("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath.escape_to_sh} {ofiles.join(" ")} $(LDLIBS) {pkg}\n\n")
# Clean
- makefile.write("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n\n")
+ makefile.write("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n")
+ if outpath != real_outpath then
+ makefile.write("\trm -- {outpath.escape_to_sh} 2>/dev/null\n")
+ end
makefile.close
self.toolcontext.info("Generated makefile: {makepath}", 2)
var mainmodule: MModule is writable
# The real main module of the program
- var realmainmodule: MModule
+ var realmainmodule: MModule is noinit
# The modelbuilder used to know the model and the AST
var modelbuilder: ModelBuilder is protected writable
# Is hardening asked? (see --hardening)
fun hardening: Bool do return self.modelbuilder.toolcontext.opt_hardening.value
- init(mainmodule: MModule, modelbuilder: ModelBuilder)
+ init
do
- self.mainmodule = mainmodule
self.realmainmodule = mainmodule
- self.modelbuilder = modelbuilder
end
+ # Do the full code generation of the program `mainmodule`
+ # It is the main method usually called after the instantiation
+ fun do_compilation is abstract
+
# Force the creation of a new file
# The point is to avoid contamination between must-be-compiled-separately files
fun new_file(name: String): CodeFile
do
if modelbuilder.toolcontext.opt_group_c_files.value then
if self.files.is_empty then
- var f = new CodeFile(mainmodule.name)
+ var f = new CodeFile(mainmodule.c_name)
self.files.add(f)
end
return self.files.first
fun new_visitor: VISITOR is abstract
# Where global declaration are stored (the main .h)
- var header: CodeWriter is writable
+ var header: CodeWriter is writable, noinit
# Provide a declaration that can be requested (before or latter) by a visitor
fun provide_declaration(key: String, s: String)
stream.write("static const C_Nit_Names map[{names.length}] = \{\n")
for i in names.keys do
stream.write("\{\"")
- stream.write(i)
+ stream.write(i.escape_to_c)
stream.write("\",\"")
- stream.write(names[i])
+ stream.write(names[i].escape_to_c)
stream.write("\"\},\n")
end
stream.write("\};\n")
var cds = mtype.collect_mclassdefs(self.mainmodule).to_a
self.mainmodule.linearize_mclassdefs(cds)
for cd in cds do
- if not self.modelbuilder.mclassdef2nclassdef.has_key(cd) then continue
- var n = self.modelbuilder.mclassdef2nclassdef[cd]
- for npropdef in n.n_propdefs do
- if npropdef isa AAttrPropdef then
- npropdef.init_expr(v, recv)
- end
+ for npropdef in modelbuilder.collect_attr_propdef(cd) do
+ npropdef.init_expr(v, recv)
end
end
end
var cds = mtype.collect_mclassdefs(self.mainmodule).to_a
self.mainmodule.linearize_mclassdefs(cds)
for cd in cds do
- if not self.modelbuilder.mclassdef2nclassdef.has_key(cd) then continue
- var n = self.modelbuilder.mclassdef2nclassdef[cd]
- for npropdef in n.n_propdefs do
- if npropdef isa AAttrPropdef then
- npropdef.check_expr(v, recv)
- end
+ for npropdef in modelbuilder.collect_attr_propdef(cd) do
+ npropdef.check_expr(v, recv)
end
end
end
# (used for local or global declaration)
fun add_decl(s: String) do self.decl_lines.add(s)
- init(file: CodeFile)
+ init
do
- self.file = file
file.writers.add(self)
end
end
# The current visited AST node
var current_node: nullable ANode = null is writable
- # The current `Frame`
- var frame: nullable Frame is writable
+ # The current `StaticFrame`
+ var frame: nullable StaticFrame = null is writable
# Alias for self.compiler.mainmodule.object_type
fun object_type: MClassType do return self.compiler.mainmodule.object_type
# Alias for self.compiler.mainmodule.bool_type
fun bool_type: MClassType do return self.compiler.mainmodule.bool_type
- var writer: CodeWriter
+ var writer: CodeWriter is noinit
- init(compiler: COMPILER)
+ init
do
- self.compiler = compiler
self.writer = new CodeWriter(compiler.files.last)
end
fun escapemark_name(e: nullable EscapeMark): String
do
assert e != null
- if escapemark_names.has_key(e) then return escapemark_names[e]
+ if frame.escapemark_names.has_key(e) then return frame.escapemark_names[e]
var name = e.name
if name == null then name = "label"
name = get_name(name)
- escapemark_names[e] = name
+ frame.escapemark_names[e] = name
return name
end
add("BREAK_{escapemark_name(e)}: (void)0;")
end
- private var escapemark_names = new HashMap[EscapeMark, String]
-
# Return a "const char*" variable associated to the classname of the dynamic type of an object
# NOTE: we do not return a `RuntimeVariable` "NativeString" as the class may not exist in the module/program
fun class_name_string(value: RuntimeVariable): String is abstract
self.require_declaration(s)
end
- # look for a needed .h and .c file for a given .nit source-file
- # FIXME: bad API, parameter should be a `MModule`, not its source-file
- fun add_extern(file: String)
+ # Look for a needed .h and .c file for a given module
+ # This is used for the legacy FFI
+ fun add_extern(mmodule: MModule)
do
+ var file = mmodule.location.file.filename
file = file.strip_extension(".nit")
var tryfile = file + ".nit.h"
if tryfile.file_exists then
fun stmt(nexpr: nullable AExpr)
do
if nexpr == null then return
+
+ var narray = nexpr.comprehension
+ if narray != null then
+ var recv = frame.comprehension.as(not null)
+ var val = expr(nexpr, narray.element_mtype)
+ compile_callsite(narray.push_callsite.as(not null), [recv, val])
+ return
+ end
+
var old = self.current_node
self.current_node = nexpr
nexpr.stmt(self)
# false (usual value) means that the variable is a mcasttype or a subtype.
var is_exact: Bool = false is writable
- init(name: String, mtype: MType, mcasttype: MType)
+ init
do
- self.name = name
- self.mtype = mtype
- self.mcasttype = mcasttype
assert not mtype.need_anchor
assert not mcasttype.need_anchor
end
end
end
-# A frame correspond to a visited property in a `GlobalCompilerVisitor`
-class Frame
+# The static context of a visited property in a `AbstractCompilerVisitor`
+class StaticFrame
type VISITOR: AbstractCompilerVisitor
# The label at the end of the property
var returnlabel: nullable String = null is writable
+
+ # Labels associated to a each escapemarks.
+ # Because of inlinings, escape-marks must be associated to their context (the frame)
+ private var escapemark_names = new HashMap[EscapeMark, String]
+
+ # The array comprehension currently filled, if any
+ private var comprehension: nullable RuntimeVariable = null
end
redef class MType
# Short name of the `ctype` to use in unions
fun ctypename: String do return "val"
-
- # Return the name of the C structure associated to a Nit live type
- fun c_name: String is abstract
- protected var c_name_cache: nullable String is protected writable
end
redef class MClassType
- redef fun c_name
- do
- var res = self.c_name_cache
- if res != null then return res
- res = "{mclass.intro_mmodule.name.to_cmangle}__{mclass.name.to_cmangle}"
- self.c_name_cache = res
- return res
- end
redef fun ctype: String
do
end
end
-redef class MGenericType
- redef fun c_name
- do
- var res = self.c_name_cache
- if res != null then return res
- res = super
- for t in self.arguments do
- res = res + t.c_name
- end
- self.c_name_cache = res
- return res
- end
-end
-
-redef class MParameterType
- redef fun c_name
- do
- var res = self.c_name_cache
- if res != null then return res
- res = "{self.mclass.c_name}_FT{self.rank}"
- self.c_name_cache = res
- return res
- end
-end
-
-redef class MVirtualType
- redef fun c_name
- do
- var res = self.c_name_cache
- if res != null then return res
- res = "{self.mproperty.intro.mclassdef.mclass.c_name}_VT{self.mproperty.name}"
- self.c_name_cache = res
- return res
- end
-end
-
-redef class MNullableType
- redef fun c_name
- do
- var res = self.c_name_cache
- if res != null then return res
- res = "nullable_{self.mtype.c_name}"
- self.c_name_cache = res
- return res
- end
-end
-
-redef class MClass
- # Return the name of the C structure associated to a Nit class
- fun c_name: String do
- var res = self.c_name_cache
- if res != null then return res
- res = "{intro_mmodule.name.to_cmangle}__{name.to_cmangle}"
- self.c_name_cache = res
- return res
- end
- private var c_name_cache: nullable String
-end
-
-redef class MProperty
- fun c_name: String do
- var res = self.c_name_cache
- if res != null then return res
- res = "{self.intro.c_name}"
- self.c_name_cache = res
- return res
- end
- private var c_name_cache: nullable String
-end
-
redef class MPropDef
type VISITOR: AbstractCompilerVisitor
-
- private var c_name_cache: nullable String
-
- # The mangled name associated to the property
- fun c_name: String
- do
- var res = self.c_name_cache
- if res != null then return res
- res = "{self.mclassdef.mmodule.name.to_cmangle}__{self.mclassdef.mclass.name.to_cmangle}__{self.mproperty.name.to_cmangle}"
- self.c_name_cache = res
- return res
- end
end
redef class MMethodDef
do
if is_abstract then return true
var modelbuilder = v.compiler.modelbuilder
- if modelbuilder.mpropdef2npropdef.has_key(self) then
- var npropdef = modelbuilder.mpropdef2npropdef[self]
- return npropdef.can_inline
- else if self.mproperty.is_root_init then
+ var node = modelbuilder.mpropdef2node(self)
+ if node isa APropdef then
+ return node.can_inline
+ else if node isa AClassdef then
# Automatic free init is always inlined since it is empty or contains only attribtes assigments
return true
else
do
var modelbuilder = v.compiler.modelbuilder
var val = constant_value
- if modelbuilder.mpropdef2npropdef.has_key(self) then
- var npropdef = modelbuilder.mpropdef2npropdef[self]
+ var node = modelbuilder.mpropdef2node(self)
+ if node isa APropdef then
var oldnode = v.current_node
- v.current_node = npropdef
+ v.current_node = node
self.compile_parameter_check(v, arguments)
- npropdef.compile_to_c(v, self, arguments)
+ node.compile_to_c(v, self, arguments)
v.current_node = oldnode
- else if self.mproperty.is_root_init then
- var nclassdef = modelbuilder.mclassdef2nclassdef[self.mclassdef]
+ else if node isa AClassdef then
var oldnode = v.current_node
- v.current_node = nclassdef
+ v.current_node = node
self.compile_parameter_check(v, arguments)
- nclassdef.compile_to_c(v, self, arguments)
+ node.compile_to_c(v, self, arguments)
v.current_node = oldnode
else if val != null then
v.ret(v.value_instance(val))
do
var externname
var at = self.get_single_annotation("extern", v.compiler.modelbuilder)
- if at != null then
+ if at != null and at.n_args.length == 1 then
externname = at.arg_as_string(v.compiler.modelbuilder)
if externname == null then return false
else
return false
end
- if location.file != null then
- var file = location.file.filename
- v.add_extern(file)
- end
+ v.add_extern(mpropdef.mclassdef.mmodule)
var res: nullable RuntimeVariable = null
var ret = mpropdef.msignature.return_mtype
if ret != null then
else
return false
end
- if location.file != null then
- var file = location.file.filename
- v.add_extern(file)
- end
+ v.add_extern(mpropdef.mclassdef.mmodule)
v.adapt_signature(mpropdef, arguments)
v.unbox_signature_extern(mpropdef, arguments)
var ret = arguments.first.mtype
end
redef class AAttrPropdef
+ redef fun can_inline: Bool do return not is_lazy
+
redef fun compile_to_c(v, mpropdef, arguments)
do
if mpropdef == mreadpropdef then
var oldnode = v.current_node
v.current_node = self
var old_frame = v.frame
- var frame = new Frame(v, self.mpropdef.as(not null), recv.mcasttype.as(MClassType), [recv])
+ var frame = new StaticFrame(v, self.mpropdef.as(not null), recv.mcasttype.as_notnullable.as(MClassType), [recv])
v.frame = frame
var value
var oldnode = v.current_node
v.current_node = self
var old_frame = v.frame
- var frame = new Frame(v, self.mpropdef.as(not null), recv.mtype.as(MClassType), [recv])
+ var frame = new StaticFrame(v, self.mpropdef.as(not null), recv.mtype.as(MClassType), [recv])
v.frame = frame
# Force read to check the initialization
v.read_attribute(self.mpropdef.mproperty, recv)
redef class AArrayExpr
redef fun expr(v)
do
- var mtype = self.mtype.as(MClassType).arguments.first
+ var mtype = self.element_mtype.as(not null)
var array = new Array[RuntimeVariable]
- for nexpr in self.n_exprs.n_exprs do
- var i = v.expr(nexpr, mtype)
- array.add(i)
+ var res = v.array_instance(array, mtype)
+
+ var old_comprehension = v.frame.comprehension
+ v.frame.comprehension = res
+ for nexpr in self.n_exprs do
+ v.stmt(nexpr)
end
- return v.array_instance(array, mtype)
+ v.frame.comprehension = old_comprehension
+
+ return res
end
end
# Create a tool context to handle options and paths
var toolcontext = new ToolContext
-toolcontext.tooldescription = "Usage: nitg [OPTION]... file.nit...\nCompiles Nit programs."
+toolcontext.tooldescription = "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
# We do not add other options, so process them now!
toolcontext.process_options(args)
nitlanguage / nit.git / blobdiff