# Add compiling options
redef class ToolContext
# --output
- var opt_output: OptionString = new OptionString("Output file", "-o", "--output")
+ var opt_output = new OptionString("Output file", "-o", "--output")
# --dir
- var opt_dir: OptionString = new OptionString("Output directory", "--dir")
+ var opt_dir = new OptionString("Output directory", "--dir")
# --no-cc
- var opt_no_cc: OptionBool = new OptionBool("Do not invoke C compiler", "--no-cc")
+ var opt_no_cc = new OptionBool("Do not invoke C compiler", "--no-cc")
# --no-main
- var opt_no_main: OptionBool = new OptionBool("Do not generate main entry point", "--no-main")
+ var opt_no_main = new OptionBool("Do not generate main entry point", "--no-main")
# --cc-paths
- var opt_cc_path: OptionArray = new OptionArray("Set include path for C header files (may be used more than once)", "--cc-path")
+ 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: OptionString = new OptionString("Additional options to make", "--make-flags")
+ var opt_make_flags = new OptionString("Additional options to make", "--make-flags")
# --compile-dir
- var opt_compile_dir: OptionString = new OptionString("Directory used to generate temporary files", "--compile-dir")
+ var opt_compile_dir = new OptionString("Directory used to generate temporary files", "--compile-dir")
# --hardening
- var opt_hardening: OptionBool = new OptionBool("Generate contracts in the C code against bugs in the compiler", "--hardening")
- # --no-shortcut-range
- var opt_no_shortcut_range: OptionBool = new OptionBool("Always insantiate a range and its iterator on 'for' loops", "--no-shortcut-range")
+ var opt_hardening = new OptionBool("Generate contracts in the C code against bugs in the compiler", "--hardening")
# --no-check-covariance
- var opt_no_check_covariance: OptionBool = new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
+ var opt_no_check_covariance = new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
# --no-check-attr-isset
- var opt_no_check_attr_isset: OptionBool = new OptionBool("Disable isset tests before each attribute access (dangerous)", "--no-check-attr-isset")
+ var opt_no_check_attr_isset = new OptionBool("Disable isset tests before each attribute access (dangerous)", "--no-check-attr-isset")
# --no-check-assert
- var opt_no_check_assert: OptionBool = new OptionBool("Disable the evaluation of explicit 'assert' and 'as' (dangerous)", "--no-check-assert")
+ var opt_no_check_assert = new OptionBool("Disable the evaluation of explicit 'assert' and 'as' (dangerous)", "--no-check-assert")
# --no-check-autocast
- var opt_no_check_autocast: OptionBool = new OptionBool("Disable implicit casts on unsafe expression usage (dangerous)", "--no-check-autocast")
+ var opt_no_check_autocast = new OptionBool("Disable implicit casts on unsafe expression usage (dangerous)", "--no-check-autocast")
# --no-check-null
- var opt_no_check_null: OptionBool = new OptionBool("Disable tests of null receiver (dangerous)", "--no-check-null")
+ var opt_no_check_null = new OptionBool("Disable tests of null receiver (dangerous)", "--no-check-null")
# --no-check-all
- var opt_no_check_all: OptionBool = new OptionBool("Disable all tests (dangerous)", "--no-check-all")
+ var opt_no_check_all = new OptionBool("Disable all tests (dangerous)", "--no-check-all")
# --typing-test-metrics
- var opt_typing_test_metrics: OptionBool = new OptionBool("Enable static and dynamic count of all type tests", "--typing-test-metrics")
+ var opt_typing_test_metrics = new OptionBool("Enable static and dynamic count of all type tests", "--typing-test-metrics")
# --invocation-metrics
- var opt_invocation_metrics: OptionBool = new OptionBool("Enable static and dynamic count of all method invocations", "--invocation-metrics")
+ var opt_invocation_metrics = new OptionBool("Enable static and dynamic count of all method invocations", "--invocation-metrics")
# --isset-checks-metrics
- var opt_isset_checks_metrics: OptionBool = new OptionBool("Enable static and dynamic count of isset checks before attributes access", "--isset-checks-metrics")
+ var opt_isset_checks_metrics = new OptionBool("Enable static and dynamic count of isset checks before attributes access", "--isset-checks-metrics")
# --stacktrace
- var opt_stacktrace: OptionString = new OptionString("Control the generation of stack traces", "--stacktrace")
+ var opt_stacktrace = new OptionString("Control the generation of stack traces", "--stacktrace")
# --no-gcc-directives
var opt_no_gcc_directive = new OptionArray("Disable a advanced gcc directives for optimization", "--no-gcc-directive")
# --release
redef init
do
super
- self.option_context.add_option(self.opt_output, self.opt_dir, self.opt_no_cc, self.opt_no_main, self.opt_make_flags, self.opt_compile_dir, self.opt_hardening, self.opt_no_shortcut_range)
+ self.option_context.add_option(self.opt_output, self.opt_dir, self.opt_no_cc, self.opt_no_main, self.opt_make_flags, self.opt_compile_dir, self.opt_hardening)
self.option_context.add_option(self.opt_no_check_covariance, self.opt_no_check_attr_isset, self.opt_no_check_assert, self.opt_no_check_autocast, self.opt_no_check_null, self.opt_no_check_all)
self.option_context.add_option(self.opt_typing_test_metrics, self.opt_invocation_metrics, self.opt_isset_checks_metrics)
self.option_context.add_option(self.opt_stacktrace)
do
gather_cc_paths
- var mainmodule = compiler.mainmodule
var compile_dir = compile_dir
# Generate the .h and .c files
compiler.files_to_copy.add "{cc_paths.first}/gc_chooser.h"
# FFI
- var m2m = toolcontext.modelbuilder.mmodule2nmodule
for m in compiler.mainmodule.in_importation.greaters do
compiler.finalize_ffi_for_module(m)
end
end
var linker_options = new HashSet[String]
- var m2m = toolcontext.modelbuilder.mmodule2nmodule
for m in mainmodule.in_importation.greaters do
var libs = m.collect_linker_libs
if libs != null then linker_options.add_all(libs)
# The real main module of the program
var realmainmodule: MModule
- # The modeulbuilder used to know the model and the AST
+ # The modelbuilder used to know the model and the AST
var modelbuilder: ModelBuilder is protected writable
# Is hardening asked? (see --hardening)
# The list of all associated files
# Used to generate .c files
- var files: List[CodeFile] = new List[CodeFile]
+ var files = new List[CodeFile]
# Initialize a visitor specific for a compiler engine
fun new_visitor: VISITOR is abstract
# Compile C headers
# This method call compile_header_strucs method that has to be refined
fun compile_header do
- var v = self.header
- var toolctx = modelbuilder.toolcontext
self.header.add_decl("#include <stdlib.h>")
self.header.add_decl("#include <stdio.h>")
self.header.add_decl("#include <string.h>")
fun native_array_def(pname: String, ret_type: nullable MType, arguments: Array[RuntimeVariable]) is abstract
- # Transform varargs, in raw arguments, into a single argument of type `Array`
- # Note: this method modify the given `args`
- # If there is no vararg, then `args` is not modified.
- fun varargize(mpropdef: MPropDef, msignature: MSignature, args: Array[RuntimeVariable])
+ # 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.
+ fun varargize(mpropdef: MMethodDef, recv: RuntimeVariable, args: SequenceRead[AExpr]): Array[RuntimeVariable]
do
- var recv = args.first
- var vararg_rank = msignature.vararg_rank
- if vararg_rank >= 0 then
- assert args.length >= msignature.arity + 1 # because of self
- var rawargs = args
- args = new Array[RuntimeVariable]
+ var msignature = mpropdef.new_msignature or else mpropdef.msignature.as(not null)
+ var res = new Array[RuntimeVariable]
+ res.add(recv)
- args.add(rawargs.first) # recv
-
- for i in [0..vararg_rank[ do
- args.add(rawargs[i+1])
- end
+ if args.is_empty then return res
- var vararg_lastrank = vararg_rank + rawargs.length-1-msignature.arity
- var vararg = new Array[RuntimeVariable]
- for i in [vararg_rank..vararg_lastrank] do
- vararg.add(rawargs[i+1])
- end
-
- var elttype = msignature.mparameters[vararg_rank].mtype
- args.add(self.vararg_instance(mpropdef, recv, vararg, elttype))
+ var vararg_rank = msignature.vararg_rank
+ var vararg_len = args.length - msignature.arity
+ if vararg_len < 0 then vararg_len = 0
- for i in [vararg_lastrank+1..rawargs.length-1[ do
- args.add(rawargs[i+1])
+ for i in [0..msignature.arity[ do
+ if i == vararg_rank then
+ var ne = args[i]
+ if ne isa AVarargExpr then
+ var e = self.expr(ne.n_expr, null)
+ res.add(e)
+ continue
+ end
+ var vararg = new Array[RuntimeVariable]
+ for j in [vararg_rank..vararg_rank+vararg_len] do
+ var e = self.expr(args[j], null)
+ vararg.add(e)
+ end
+ var elttype = msignature.mparameters[vararg_rank].mtype
+ var arg = self.vararg_instance(mpropdef, recv, vararg, elttype)
+ res.add(arg)
+ else
+ var j = i
+ if i > vararg_rank then j += vararg_len
+ var e = self.expr(args[j], null)
+ res.add(e)
end
- rawargs.clear
- rawargs.add_all(args)
end
+ return res
end
# Type handling
# Checks
- # Add a check and an abort for a null reciever if needed
+ # Add a check and an abort for a null receiver if needed
fun check_recv_notnull(recv: RuntimeVariable)
do
if self.compiler.modelbuilder.toolcontext.opt_no_check_null.value then return
# Names handling
- private var names: HashSet[String] = new HashSet[String]
+ private var names = new HashSet[String]
private var last: Int = 0
# Return a new name based on `s` and unique in the visitor
return name
end
+ # Insert a C label for associated with an escapemark
+ fun add_escape_label(e: nullable EscapeMark)
+ do
+ if e == null then return
+ if e.escapes.is_empty then return
+ 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
# Variables handling
- protected var variables: HashMap[Variable, RuntimeVariable] = new HashMap[Variable, RuntimeVariable]
+ protected var variables = new HashMap[Variable, RuntimeVariable]
# Return the local runtime_variable associated to a Nit local variable
fun variable(variable: Variable): RuntimeVariable
return res
end
+ fun value_instance(object: Object): RuntimeVariable
+ do
+ if object isa Int then
+ return int_instance(object)
+ else if object isa Bool then
+ return bool_instance(object)
+ else if object isa String then
+ return string_instance(object)
+ else
+ abort
+ end
+ end
+
# Generate an array value
fun array_instance(array: Array[RuntimeVariable], elttype: MType): RuntimeVariable is abstract
if modelbuilder.mpropdef2npropdef.has_key(self) then
var npropdef = modelbuilder.mpropdef2npropdef[self]
return npropdef.can_inline
- else if self.mproperty.name == "init" then
+ else if self.mproperty.is_root_init then
# Automatic free init is always inlined since it is empty or contains only attribtes assigments
return true
else
fun compile_inside_to_c(v: VISITOR, arguments: Array[RuntimeVariable]): nullable RuntimeVariable
do
var modelbuilder = v.compiler.modelbuilder
+ var val = constant_value
if modelbuilder.mpropdef2npropdef.has_key(self) then
var npropdef = modelbuilder.mpropdef2npropdef[self]
var oldnode = v.current_node
self.compile_parameter_check(v, arguments)
npropdef.compile_to_c(v, self, arguments)
v.current_node = oldnode
- else if self.mproperty.name == "init" then
+ else if self.mproperty.is_root_init then
var nclassdef = modelbuilder.mclassdef2nclassdef[self.mclassdef]
var oldnode = v.current_node
v.current_node = nclassdef
self.compile_parameter_check(v, arguments)
nclassdef.compile_to_c(v, self, arguments)
v.current_node = oldnode
+ else if val != null then
+ v.ret(v.value_instance(val))
else
abort
end
# Do not call this method directly, use `v.stmt` instead
private fun stmt(v: AbstractCompilerVisitor)
do
- var res = expr(v)
- if res != null then v.add("{res};")
+ expr(v)
end
end
end
redef class AVarAssignExpr
- redef fun stmt(v)
- do
- var variable = self.variable.as(not null)
- var i = v.expr(self.n_value, variable.declared_type)
- v.assign(v.variable(variable), i)
- end
redef fun expr(v)
do
var variable = self.variable.as(not null)
redef fun expr(v) do return v.frame.arguments.first
end
-redef class AContinueExpr
- redef fun stmt(v) do v.add("goto CONTINUE_{v.escapemark_name(self.escapemark)};")
-end
-
-redef class ABreakExpr
+redef class AEscapeExpr
redef fun stmt(v) do v.add("goto BREAK_{v.escapemark_name(self.escapemark)};")
end
redef fun stmt(v)
do
v.stmt(self.n_block)
- var escapemark = self.escapemark
- if escapemark != null then
- v.add("BREAK_{v.escapemark_name(escapemark)}: (void)0;")
- end
+ v.add_escape_label(break_mark)
end
end
var cond = v.expr_bool(self.n_expr)
v.add("if (!{cond}) break;")
v.stmt(self.n_block)
- v.add("CONTINUE_{v.escapemark_name(escapemark)}: (void)0;")
+ v.add_escape_label(continue_mark)
v.add("\}")
- v.add("BREAK_{v.escapemark_name(escapemark)}: (void)0;")
+ v.add_escape_label(break_mark)
end
end
do
v.add("for(;;) \{")
v.stmt(self.n_block)
- v.add("CONTINUE_{v.escapemark_name(escapemark)}: (void)0;")
+ v.add_escape_label(continue_mark)
v.add("\}")
- v.add("BREAK_{v.escapemark_name(escapemark)}: (void)0;")
+ v.add_escape_label(break_mark)
end
end
redef class AForExpr
redef fun stmt(v)
do
- # Shortcut on explicit range
- # Avoid the instantiation of the range and the iterator
- var nexpr = self.n_expr
- if self.variables.length == 1 and nexpr isa ARangeExpr and not v.compiler.modelbuilder.toolcontext.opt_no_shortcut_range.value then
- var from = v.expr(nexpr.n_expr, null)
- var to = v.expr(nexpr.n_expr2, null)
- var variable = v.variable(variables.first)
- var one = v.new_expr("1", v.get_class("Int").mclass_type)
-
- v.assign(variable, from)
- v.add("for(;;) \{ /* shortcut range */")
-
- var ok
- if nexpr isa AOrangeExpr then
- ok = v.send(v.get_property("<", variable.mtype), [variable, to])
- else
- ok = v.send(v.get_property("<=", variable.mtype), [variable, to])
- end
- assert ok != null
- v.add("if(!{ok}) break;")
-
- v.stmt(self.n_block)
-
- v.add("CONTINUE_{v.escapemark_name(escapemark)}: (void)0;")
- var succ = v.send(v.get_property("successor", variable.mtype), [variable, one])
- assert succ != null
- v.assign(variable, succ)
- v.add("\}")
- v.add("BREAK_{v.escapemark_name(escapemark)}: (void)0;")
- return
- end
-
var cl = v.expr(self.n_expr, null)
var it_meth = self.method_iterator
assert it_meth != null
abort
end
v.stmt(self.n_block)
- v.add("CONTINUE_{v.escapemark_name(escapemark)}: (void)0;")
+ v.add_escape_label(continue_mark)
var next_meth = self.method_next
assert next_meth != null
v.compile_callsite(next_meth, [it])
v.add("\}")
- v.add("BREAK_{v.escapemark_name(escapemark)}: (void)0;")
+ v.add_escape_label(break_mark)
+
+ var method_finish = self.method_finish
+ if method_finish != null then
+ # TODO: Find a way to call this also in long escape (e.g. return)
+ v.compile_callsite(method_finish, [it])
+ end
end
end
var i2 = v.expr(self.n_expr2, null)
var mtype = self.mtype.as(MClassType)
var res = v.init_instance(mtype)
- var it = v.compile_callsite(init_callsite.as(not null), [res, i1, i2])
+ v.compile_callsite(init_callsite.as(not null), [res, i1, i2])
return res
end
end
var i2 = v.expr(self.n_expr2, null)
var mtype = self.mtype.as(MClassType)
var res = v.init_instance(mtype)
- var it = v.compile_callsite(init_callsite.as(not null), [res, i1, i2])
+ v.compile_callsite(init_callsite.as(not null), [res, i1, i2])
return res
end
end
redef fun expr(v)
do
var recv = v.expr(self.n_expr, null)
- var args = [recv]
- for a in self.raw_arguments do
- args.add(v.expr(a, null))
- end
- return v.compile_callsite(self.callsite.as(not null), args)
+ var callsite = self.callsite.as(not null)
+ var args = v.varargize(callsite.mpropdef, recv, self.raw_arguments)
+ return v.compile_callsite(callsite, args)
end
end
redef fun stmt(v)
do
var recv = v.expr(self.n_expr, null)
- var args = [recv]
- for a in self.raw_arguments do
- args.add(v.expr(a, null))
- end
+ var callsite = self.callsite.as(not null)
+ var args = v.varargize(callsite.mpropdef, recv, self.raw_arguments)
+
var value = v.expr(self.n_value, null)
- var left = v.compile_callsite(self.callsite.as(not null), args)
+ var left = v.compile_callsite(callsite, args)
assert left != null
var res = v.compile_callsite(self.reassign_callsite.as(not null), [left, value])
redef fun expr(v)
do
var recv = v.frame.arguments.first
- var args = [recv]
- for a in self.n_args.n_exprs do
- args.add(v.expr(a, null))
- end
var callsite = self.callsite
if callsite != null then
- # Add additionnals arguments for the super init call
+ var args = v.varargize(callsite.mpropdef, recv, self.n_args.n_exprs)
+
+ # Add additional arguments for the super init call
if args.length == 1 then
for i in [0..callsite.msignature.arity[ do
args.add(v.frame.arguments[i+1])
return res
end
+ var mpropdef = self.mpropdef.as(not null)
+ var args = v.varargize(mpropdef, recv, self.n_args.n_exprs)
if args.length == 1 then
args = v.frame.arguments
end
# stantard call-next-method
- return v.supercall(mpropdef.as(not null), recv.mtype.as(MClassType), args)
+ return v.supercall(mpropdef, recv.mtype.as(MClassType), args)
end
end
else
recv = v.new_expr("({ctype})0/*special!*/", mtype)
end
- var args = [recv]
- for a in self.n_args.n_exprs do
- args.add(v.expr(a, null))
- end
- var res2 = v.compile_callsite(self.callsite.as(not null), args)
+
+ 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)
if res2 != null then
#self.debug("got {res2} from {mproperty}. drop {recv}")
return res2
end
redef class AAttrAssignExpr
- redef fun stmt(v)
+ redef fun expr(v)
do
var recv = v.expr(self.n_expr, null)
var i = v.expr(self.n_value, null)
var mproperty = self.mproperty.as(not null)
v.write_attribute(mproperty, recv, i)
+ return i
end
end
nitlanguage / nit.git / blobdiff