import c_tools
private import annotation
import mixin
+import counter
# Add compiling options
redef class ToolContext
# Simple indirection to `Toolchain::write_and_make`
protected fun write_and_make(compiler: AbstractCompiler)
do
- var platform = compiler.mainmodule.target_platform
- var toolchain
- if platform == null then
- toolchain = new MakefileToolchain(toolcontext)
- else
- toolchain = platform.toolchain(toolcontext)
- end
+ var platform = compiler.target_platform
+ var toolchain = platform.toolchain(toolcontext, compiler)
compile_dir = toolchain.compile_dir
- toolchain.write_and_make compiler
+ toolchain.write_and_make
end
end
redef class Platform
- fun toolchain(toolcontext: ToolContext): Toolchain is abstract
+ # The specific tool-chain associated to the platform
+ fun toolchain(toolcontext: ToolContext, compiler: AbstractCompiler): Toolchain
+ do
+ return new MakefileToolchain(toolcontext, compiler)
+ end
end
+# Build toolchain for a specific target program, varies per `Platform`
class Toolchain
+
+ # Toolcontext
var toolcontext: ToolContext
+ # Compiler of the target program
+ var compiler: AbstractCompiler
+
+ # Directory where to generate all C files
fun compile_dir: String
do
var compile_dir = toolcontext.opt_compile_dir.value
return compile_dir
end
- fun write_and_make(compiler: AbstractCompiler) is abstract
+ # Write all C files and compile them
+ fun write_and_make is abstract
end
+# Default toolchain using a Makefile
class MakefileToolchain
super Toolchain
- redef fun write_and_make(compiler)
+ redef fun write_and_make
do
var compile_dir = compile_dir
compile_dir.mkdir
var cfiles = new Array[String]
- write_files(compiler, compile_dir, cfiles)
+ write_files(compile_dir, cfiles)
# Generate the Makefile
- write_makefile(compiler, compile_dir, cfiles)
+ write_makefile(compile_dir, cfiles)
var time1 = get_time
self.toolcontext.info("*** END WRITING C: {time1-time0} ***", 2)
time0 = time1
self.toolcontext.info("*** COMPILING C ***", 1)
- compile_c_code(compiler, compile_dir)
+ compile_c_code(compile_dir)
time1 = get_time
self.toolcontext.info("*** END COMPILING C: {time1-time0} ***", 2)
end
- fun write_files(compiler: AbstractCompiler, compile_dir: String, cfiles: Array[String])
+ # Write all source files to the `compile_dir`
+ fun write_files(compile_dir: String, cfiles: Array[String])
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 platform = compiler.target_platform
+ if self.toolcontext.opt_stacktrace.value == "nitstack" and platform.supports_libunwind then compiler.build_c_to_nit_bindings
var cc_opt_with_libgc = "-DWITH_LIBGC"
- if platform != null and not platform.supports_libgc then cc_opt_with_libgc = ""
+ if 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)
var hfilename = compiler.header.file.name + ".h"
var hfilepath = "{compile_dir}/{hfilename}"
- var h = new OFStream.open(hfilepath)
+ var h = new FileWriter.open(hfilepath)
for l in compiler.header.decl_lines do
h.write l
h.write "\n"
for f in compiler.files do
var i = 0
var count = 0
- var file: nullable OFStream = null
+ var file: nullable FileWriter = null
for vis in f.writers do
if vis == compiler.header then continue
var total_lines = vis.lines.length + vis.decl_lines.length
var cfilepath = "{compile_dir}/{cfilename}"
self.toolcontext.info("new C source files to compile: {cfilepath}", 3)
cfiles.add(cfilename)
- file = new OFStream.open(cfilepath)
+ file = new FileWriter.open(cfilepath)
file.write "#include \"{f.name}.0.h\"\n"
count = total_lines
end
var cfilename = "{f.name}.0.h"
var cfilepath = "{compile_dir}/{cfilename}"
- var hfile: nullable OFStream = null
- hfile = new OFStream.open(cfilepath)
+ var hfile: nullable FileWriter = null
+ hfile = new FileWriter.open(cfilepath)
hfile.write "#include \"{hfilename}\"\n"
for key in f.required_declarations do
if not compiler.provided_declarations.has_key(key) then
self.toolcontext.info("Total C source files to compile: {cfiles.length}", 2)
end
- fun makefile_name(mainmodule: MModule): String do return "{mainmodule.c_name}.mk"
+ # Get the name of the Makefile to use
+ fun makefile_name: String do return "{compiler.mainmodule.c_name}.mk"
- fun default_outname(mainmodule: MModule): String
+ # Get the default name of the executable to produce
+ fun default_outname: String
do
- # Search a non fictive module
- var res = mainmodule.name
- while mainmodule.is_fictive do
- mainmodule = mainmodule.in_importation.direct_greaters.first
- res = mainmodule.name
- end
- return res
+ var mainmodule = compiler.mainmodule.first_real_mmodule
+ return mainmodule.name
end
# Combine options and platform informations to get the final path of the outfile
do
var res = self.toolcontext.opt_output.value
if res != null then return res
- res = default_outname(mainmodule)
+ res = default_outname
var dir = self.toolcontext.opt_dir.value
if dir != null then return dir.join_path(res)
return res
end
- fun write_makefile(compiler: AbstractCompiler, compile_dir: String, cfiles: Array[String])
+ # Write the Makefile
+ fun write_makefile(compile_dir: String, cfiles: Array[String])
do
var mainmodule = compiler.mainmodule
- var platform = compiler.mainmodule.target_platform
+ var platform = compiler.target_platform
var outname = outfile(mainmodule)
# 2. copy the binary at the right place in the `all` goal.
outpath = mainmodule.c_name
end
- var makename = makefile_name(mainmodule)
+ var makename = makefile_name
var makepath = "{compile_dir}/{makename}"
- var makefile = new OFStream.open(makepath)
+ var makefile = new FileWriter.open(makepath)
var linker_options = new HashSet[String]
for m in mainmodule.in_importation.greaters do
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")
+ if (ost == "libunwind" or ost == "nitstack") and platform.supports_libunwind then makefile.write("NEED_LIBUNWIND := YesPlease\n")
# Dynamic adaptations
# While `platform` enable complex toolchains, they are statically applied
dep_rules.add(o)
end
+ # Generate linker script, if any
+ if not compiler.linker_script.is_empty then
+ var linker_script_path = "{compile_dir}/linker_script"
+ ofiles.add "linker_script"
+ var f = new FileWriter.open(linker_script_path)
+ for l in compiler.linker_script do
+ f.write l
+ f.write "\n"
+ end
+ f.close
+ end
+
var java_files = new Array[ExternFile]
var pkgconfigs = new Array[String]
makepath.file_copy_to "{compile_dir}/Makefile"
end
- fun compile_c_code(compiler: AbstractCompiler, compile_dir: String)
+ # The C code is generated, compile it to an executable
+ fun compile_c_code(compile_dir: String)
do
- var makename = makefile_name(compiler.mainmodule)
+ var makename = makefile_name
var makeflags = self.toolcontext.opt_make_flags.value
if makeflags == null then makeflags = ""
# Is hardening asked? (see --hardening)
fun hardening: Bool do return self.modelbuilder.toolcontext.opt_hardening.value
+ # The targeted specific platform
+ var target_platform: Platform is noinit
+
init
do
self.realmainmodule = mainmodule
+ target_platform = mainmodule.target_platform or else new Platform
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
# Where global declaration are stored (the main .h)
var header: CodeWriter is writable, noinit
+ # Additionnal linker script for `ld`.
+ # Mainly used to do specific link-time symbol resolution
+ var linker_script = new Array[String]
+
# Provide a declaration that can be requested (before or latter) by a visitor
fun provide_declaration(key: String, s: String)
do
do
var compile_dir = modelbuilder.compile_dir
- var stream = new OFStream.open("{compile_dir}/c_functions_hash.c")
+ var stream = new FileWriter.open("{compile_dir}/c_functions_hash.c")
stream.write("#include <string.h>\n")
stream.write("#include <stdlib.h>\n")
stream.write("#include \"c_functions_hash.h\"\n")
stream.write("\}\n")
stream.close
- stream = new OFStream.open("{compile_dir}/c_functions_hash.h")
+ stream = new FileWriter.open("{compile_dir}/c_functions_hash.h")
stream.write("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
stream.close
self.header.add_decl("#include <stdlib.h>")
self.header.add_decl("#include <stdio.h>")
self.header.add_decl("#include <string.h>")
+ self.header.add_decl("#include <sys/types.h>\n")
+ self.header.add_decl("#include <unistd.h>\n")
self.header.add_decl("#include \"gc_chooser.h\"")
self.header.add_decl("#ifdef ANDROID")
self.header.add_decl(" #include <android/log.h>")
var gccd_disable = modelbuilder.toolcontext.opt_no_gcc_directive.value
if gccd_disable.has("noreturn") or gccd_disable.has("all") then
# Signal handler function prototype
- self.header.add_decl("void show_backtrace(int);")
+ self.header.add_decl("void fatal_exit(int);")
else
- self.header.add_decl("void show_backtrace(int) __attribute__ ((noreturn));")
+ self.header.add_decl("void fatal_exit(int) __attribute__ ((noreturn));")
end
if gccd_disable.has("likely") or gccd_disable.has("all") then
var v = self.new_visitor
v.add_decl("#include <signal.h>")
var ost = modelbuilder.toolcontext.opt_stacktrace.value
- var platform = mainmodule.target_platform
+ var platform = target_platform
- if platform != null and not platform.supports_libunwind then ost = "none"
+ if not platform.supports_libunwind then ost = "none"
- var no_main = (platform != null and platform.no_main) or modelbuilder.toolcontext.opt_no_main.value
+ var no_main = platform.no_main or modelbuilder.toolcontext.opt_no_main.value
if ost == "nitstack" or ost == "libunwind" then
v.add_decl("#define UNW_LOCAL_ONLY")
v.compiler.header.add_decl("extern long count_isset_checks;")
end
- v.add_decl("void sig_handler(int signo)\{")
- v.add_decl("PRINT_ERROR(\"Caught signal : %s\\n\", strsignal(signo));")
- v.add_decl("show_backtrace(signo);")
- v.add_decl("\}")
-
- v.add_decl("void show_backtrace (int signo) \{")
+ v.add_decl("static void show_backtrace(void) \{")
if ost == "nitstack" or ost == "libunwind" then
v.add_decl("char* opt = getenv(\"NIT_NO_STACK\");")
v.add_decl("unw_cursor_t cursor;")
v.add_decl("free(procname);")
v.add_decl("\}")
end
- v.add_decl("exit(signo);")
+ v.add_decl("\}")
+
+ v.add_decl("void sig_handler(int signo)\{")
+ v.add_decl("PRINT_ERROR(\"Caught signal : %s\\n\", strsignal(signo));")
+ v.add_decl("show_backtrace();")
+ # rethrows
+ v.add_decl("signal(signo, SIG_DFL);")
+ v.add_decl("kill(getpid(), signo);")
+ v.add_decl("\}")
+
+ v.add_decl("void fatal_exit(int status) \{")
+ v.add_decl("show_backtrace();")
+ v.add_decl("exit(status);")
v.add_decl("\}")
if no_main then
v.add("return 0;")
v.add("\}")
+
+ for m in mainmodule.in_importation.greaters do
+ var f = "FILE_"+m.c_name
+ v.add "const char {f}[] = \"{m.location.file.filename.escape_to_c}\";"
+ provide_declaration(f, "extern const char {f}[];")
+ end
end
# Copile all C functions related to the [incr|decr]_ref features of the FFI
end
fun finalize_ffi_for_module(mmodule: MModule) do mmodule.finalize_ffi(self)
-
- # Division facility
- # Avoid division by zero by returning the string "n/a"
- fun div(a,b:Int):String
- do
- if b == 0 then return "n/a"
- return ((a*10000/b).to_f / 100.0).to_precision(2)
- end
end
# A file unit (may be more than one file if
# The current visited AST node
var current_node: nullable ANode = null is writable
- # The current `Frame`
- var frame: nullable Frame = null 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
self.writer = new CodeWriter(compiler.files.last)
end
- # Force to get the primitive class named `name` or abort
- fun get_class(name: String): MClass do return self.compiler.mainmodule.get_primitive_class(name)
-
# Force to get the primitive property named `name` in the instance `recv` or abort
fun get_property(name: String, recv: MType): MMethod
do
fun native_array_def(pname: String, ret_type: nullable MType, arguments: Array[RuntimeVariable]) is abstract
+ # Return an element of a native array.
+ # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
+ fun native_array_get(native_array: RuntimeVariable, index: Int): RuntimeVariable is abstract
+
+ # Store an element in a native array.
+ # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
+ fun native_array_set(native_array: RuntimeVariable, index: Int, value: RuntimeVariable) is abstract
+
# Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
# This method is used to manage varargs in signatures and returns the real array
# of runtime variables to use in the call.
# Generate a alloc-instance + init-attributes
fun init_instance(mtype: MClassType): RuntimeVariable is abstract
+ # Allocate and init attributes of an instance of a standard or extern class
+ #
+ # Does not support universals and the pseudo-internal `NativeArray` class.
+ fun init_instance_or_extern(mtype: MClassType): RuntimeVariable
+ do
+ var recv
+ var ctype = mtype.ctype
+ assert mtype.mclass.name != "NativeArray"
+ if not mtype.is_c_primitive then
+ recv = init_instance(mtype)
+ else if ctype == "char*" then
+ recv = new_expr("NULL/*special!*/", mtype)
+ else
+ recv = new_expr("({ctype})0/*special!*/", mtype)
+ end
+ return recv
+ end
+
# Set a GC finalizer on `recv`, only if `recv` isa Finalizable
fun set_finalizer(recv: RuntimeVariable)
do
end
end
+ # The currently processed module
+ #
+ # alias for `compiler.mainmodule`
+ fun mmodule: MModule do return compiler.mainmodule
+
# Generate an integer value
fun int_instance(value: Int): RuntimeVariable
do
- var res = self.new_var(self.get_class("Int").mclass_type)
- self.add("{res} = {value};")
+ var t = mmodule.int_type
+ var res = new RuntimeVariable("{value.to_s}l", t, t)
+ return res
+ end
+
+ # Generate a char value
+ fun char_instance(value: Char): RuntimeVariable
+ do
+ var t = mmodule.char_type
+ var res = new RuntimeVariable("'{value.to_s.escape_to_c}'", t, t)
+ return res
+ end
+
+ # Generate a float value
+ #
+ # FIXME pass a Float, not a string
+ fun float_instance(value: String): RuntimeVariable
+ do
+ var t = mmodule.float_type
+ var res = new RuntimeVariable("{value}", t, t)
return res
end
# Generate an integer value
fun bool_instance(value: Bool): RuntimeVariable
do
- var res = self.new_var(self.get_class("Bool").mclass_type)
- if value then
- self.add("{res} = 1;")
- else
- self.add("{res} = 0;")
- end
+ var s = if value then "1" else "0"
+ var res = new RuntimeVariable(s, bool_type, bool_type)
+ return res
+ end
+
+ # Generate the `null` value
+ fun null_instance: RuntimeVariable
+ do
+ var t = compiler.mainmodule.model.null_type
+ var res = new RuntimeVariable("((val*)NULL)", t, t)
return res
end
# Generate a string value
fun string_instance(string: String): RuntimeVariable
do
- var mtype = self.get_class("String").mclass_type
+ var mtype = mmodule.string_type
var name = self.get_name("varonce")
self.add_decl("static {mtype.ctype} {name};")
var res = self.new_var(mtype)
- self.add("if ({name}) \{")
+ self.add("if (likely({name}!=NULL)) \{")
self.add("{res} = {name};")
self.add("\} else \{")
- var native_mtype = self.get_class("NativeString").mclass_type
+ var native_mtype = mmodule.native_string_type
var nat = self.new_var(native_mtype)
self.add("{nat} = \"{string.escape_to_c}\";")
var length = self.int_instance(string.length)
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 add_raw_abort
do
- if self.current_node != null and self.current_node.location.file != null then
- self.add("PRINT_ERROR(\" (%s:%d)\\n\", \"{self.current_node.location.file.filename.escape_to_c}\", {current_node.location.line_start});")
+ if self.current_node != null and self.current_node.location.file != null and
+ self.current_node.location.file.mmodule != null then
+ var f = "FILE_{self.current_node.location.file.mmodule.c_name}"
+ self.require_declaration(f)
+ self.add("PRINT_ERROR(\" (%s:%d)\\n\", {f}, {current_node.location.line_start});")
else
self.add("PRINT_ERROR(\"\\n\");")
end
- self.add("show_backtrace(1);")
+ self.add("fatal_exit(1);")
end
# Add a dynamic cast
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)
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
# 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"
+
+ # Is the associated C type a primitive one?
+ #
+ # ENSURE `result == (ctype != "val*")`
+ fun is_c_primitive: Bool do return false
end
redef class MClassType
- redef fun ctype: String
- do
+ redef var ctype is lazy do
if mclass.name == "Int" then
return "long"
else if mclass.name == "Bool" then
end
end
+ redef var is_c_primitive is lazy do return ctype != "val*"
+
redef fun ctype_extern: String
do
if mclass.kind == extern_kind then
var modelbuilder = v.compiler.modelbuilder
var val = constant_value
var node = modelbuilder.mpropdef2node(self)
+
+ if is_abstract then
+ var cn = v.class_name_string(arguments.first)
+ v.current_node = node
+ v.add("PRINT_ERROR(\"Runtime error: Abstract method `%s` called on `%s`\", \"{mproperty.name.escape_to_c}\", {cn});")
+ v.add_raw_abort
+ return null
+ end
+
if node isa APropdef then
var oldnode = v.current_node
v.current_node = node
redef class AMethPropdef
redef fun compile_to_c(v, mpropdef, arguments)
do
- if mpropdef.is_abstract then
- var cn = v.class_name_string(arguments.first)
- v.add("PRINT_ERROR(\"Runtime error: Abstract method `%s` called on `%s`\", \"{mpropdef.mproperty.name.escape_to_c}\", {cn});")
- v.add_raw_abort
- return
- end
-
# Call the implicit super-init
var auto_super_inits = self.auto_super_inits
if auto_super_inits != null then
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
if is_lazy then
var set
var ret = self.mpropdef.static_mtype
- var useiset = ret.ctype == "val*" and not ret isa MNullableType
+ var useiset = not ret.is_c_primitive and not ret isa MNullableType
var guard = self.mlazypropdef.mproperty
if useiset then
set = v.isset_attribute(self.mpropdef.mproperty, recv)
v.assign(res, value)
if not useiset then
- var true_v = v.new_expr("1", v.bool_type)
+ var true_v = v.bool_instance(true)
v.write_attribute(guard, arguments.first, true_v)
end
v.add("\}")
v.write_attribute(self.mpropdef.mproperty, arguments.first, arguments[1])
if is_lazy then
var ret = self.mpropdef.static_mtype
- var useiset = ret.ctype == "val*" and not ret isa MNullableType
+ var useiset = not ret.is_c_primitive and not ret isa MNullableType
if not useiset then
- v.write_attribute(self.mlazypropdef.mproperty, arguments.first, v.new_expr("1", v.bool_type))
+ v.write_attribute(self.mlazypropdef.mproperty, arguments.first, v.bool_instance(true))
end
end
else
fun init_expr(v: AbstractCompilerVisitor, recv: RuntimeVariable)
do
- if has_value and not is_lazy then evaluate_expr(v, recv)
+ if has_value and not is_lazy and not n_expr isa ANullExpr then evaluate_expr(v, recv)
end
# Evaluate, store and return the default value of the attribute
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_notnullable.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)
end
redef class AIntExpr
- redef fun expr(v) do return v.new_expr("{self.value.to_s}", self.mtype.as(not null))
+ redef fun expr(v) do return v.int_instance(self.value.as(not null))
end
redef class AFloatExpr
- redef fun expr(v) do return v.new_expr("{self.n_float.text}", self.mtype.as(not null)) # FIXME use value, not n_float
+ redef fun expr(v) do return v.float_instance("{self.n_float.text}") # FIXME use value, not n_float
end
redef class ACharExpr
- redef fun expr(v) do return v.new_expr("'{self.value.to_s.escape_to_c}'", self.mtype.as(not null))
+ redef fun expr(v) do return v.char_instance(self.value.as(not null))
end
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]
+ var res = v.array_instance(array, mtype)
+
+ var old_comprehension = v.frame.comprehension
+ v.frame.comprehension = res
for nexpr in self.n_exprs do
- var i = v.expr(nexpr, mtype)
- array.add(i)
+ v.stmt(nexpr)
end
- return v.array_instance(array, mtype)
+ v.frame.comprehension = old_comprehension
+
+ return res
end
end
redef class ASuperstringExpr
redef fun expr(v)
do
- var array = new Array[RuntimeVariable]
+ var type_string = mtype.as(not null)
+
+ # Collect elements of the superstring
+ var array = new Array[AExpr]
for ne in self.n_exprs do
+ # Drop literal empty string.
+ # They appears in things like "{a}" that is ["", a, ""]
if ne isa AStringFormExpr and ne.value == "" then continue # skip empty sub-strings
- var i = v.expr(ne, null)
- array.add(i)
+ array.add(ne)
end
- var a = v.array_instance(array, v.object_type)
- var res = v.send(v.get_property("to_s", a.mtype), [a])
+
+ # Store the allocated native array in a static variable
+ # For reusing later
+ var varonce = v.get_name("varonce")
+ v.add("if (unlikely({varonce}==NULL)) \{")
+
+ # The native array that will contains the elements to_s-ized.
+ # For fast concatenation.
+ var a = v.native_array_instance(type_string, v.int_instance(array.length))
+
+ v.add_decl("static {a.mtype.ctype} {varonce};")
+
+ # Pre-fill the array with the literal string parts.
+ # So they do not need to be filled again when reused
+ for i in [0..array.length[ do
+ var ne = array[i]
+ if not ne isa AStringFormExpr then continue
+ var e = v.expr(ne, null)
+ v.native_array_set(a, i, e)
+ end
+
+ v.add("\} else \{")
+ # Take the native-array from the store.
+ # The point is to prevent that some recursive execution use (and corrupt) the same native array
+ # WARNING: not thread safe! (FIXME?)
+ v.add("{a} = {varonce};")
+ v.add("{varonce} = NULL;")
+ v.add("\}")
+
+ # Stringify the elements and put them in the native array
+ var to_s_method = v.get_property("to_s", v.object_type)
+ for i in [0..array.length[ do
+ var ne = array[i]
+ if ne isa AStringFormExpr then continue
+ var e = v.expr(ne, null)
+ # Skip the `to_s` if the element is already a String
+ if not e.mcasttype.is_subtype(v.compiler.mainmodule, null, type_string) then
+ e = v.send(to_s_method, [e]).as(not null)
+ end
+ v.native_array_set(a, i, e)
+ end
+
+ # Fast join the native string to get the result
+ var res = v.send(v.get_property("native_to_s", a.mtype), [a])
+
+ # We finish to work with the native array,
+ # so store it so that it can be reused
+ v.add("{varonce} = {a};")
return res
end
end
end
redef class ATrueExpr
- redef fun expr(v) do return v.new_expr("1", self.mtype.as(not null))
+ redef fun expr(v) do return v.bool_instance(true)
end
redef class AFalseExpr
- redef fun expr(v) do return v.new_expr("0", self.mtype.as(not null))
+ redef fun expr(v) do return v.bool_instance(false)
end
redef class ANullExpr
- redef fun expr(v) do return v.new_expr("NULL", self.mtype.as(not null))
+ redef fun expr(v) do return v.null_instance
end
redef class AIsaExpr
var i = v.expr(self.n_expr, null)
if v.compiler.modelbuilder.toolcontext.opt_no_check_assert.value then return i
- if i.mtype.ctype != "val*" then return i
+ if i.mtype.is_c_primitive then return i
v.add("if (unlikely({i} == NULL)) \{")
v.add_abort("Cast failed")
v.add_decl("static {mtype.ctype} {name};")
v.add_decl("static int {guard};")
var res = v.new_var(mtype)
- v.add("if ({guard}) \{")
+ v.add("if (likely({guard})) \{")
v.add("{res} = {name};")
v.add("\} else \{")
var i = v.expr(self.n_expr, mtype)
do
var mtype = self.recvtype
assert mtype != null
- var recv
- var ctype = mtype.ctype
+
if mtype.mclass.name == "NativeArray" then
assert self.n_args.n_exprs.length == 1
var l = v.expr(self.n_args.n_exprs.first, null)
assert mtype isa MGenericType
var elttype = mtype.arguments.first
return v.native_array_instance(elttype, l)
- else if ctype == "val*" then
- recv = v.init_instance(mtype)
- else if ctype == "char*" then
- recv = v.new_expr("NULL/*special!*/", mtype)
- else
- recv = v.new_expr("({ctype})0/*special!*/", mtype)
end
+ var recv = v.init_instance_or_extern(mtype)
+
var callsite = self.callsite.as(not null)
var args = v.varargize(callsite.mpropdef, recv, self.n_args.n_exprs)
var res2 = v.compile_callsite(callsite, args)
# Give requided addinional system libraries (as given to LD_LIBS)
# Note: can return null instead of an empty set
- fun collect_linker_libs: nullable Set[String] do return null
+ fun collect_linker_libs: nullable Array[String] do return null
end
# Create a tool context to handle options and paths
nitlanguage / nit.git / blobdiff