import literal
import typing
import auto_super_init
-import frontend
import platform
import c_tools
var opt_no_shortcut_range: OptionBool = new OptionBool("Always insantiate a range and its iterator on 'for' loops", "--no-shortcut-range")
# --no-check-covariance
var opt_no_check_covariance: OptionBool = new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
- # --no-check-initialization
- var opt_no_check_initialization: OptionBool = new OptionBool("Disable isset tests at the end of constructors (dangerous)", "--no-check-initialization")
+ # --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")
# --no-check-assert
var opt_no_check_assert: OptionBool = new OptionBool("Disable the evaluation of explicit 'assert' and 'as' (dangerous)", "--no-check-assert")
# --no-check-autocast
var opt_typing_test_metrics: OptionBool = 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")
+ # --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")
# --stacktrace
var opt_stacktrace: OptionString = new OptionString("Control the generation of stack traces", "--stacktrace")
# --no-gcc-directives
do
super
self.option_context.add_option(self.opt_output, self.opt_no_cc, self.opt_make_flags, self.opt_compile_dir, self.opt_hardening, self.opt_no_shortcut_range)
- self.option_context.add_option(self.opt_no_check_covariance, self.opt_no_check_initialization, self.opt_no_check_assert, self.opt_no_check_autocast, self.opt_no_check_other)
- self.option_context.add_option(self.opt_typing_test_metrics, self.opt_invocation_metrics)
+ 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_other)
+ 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)
self.option_context.add_option(self.opt_no_gcc_directive)
end
# The list is initially set with :
# * the toolcontext --cc-path option
# * the NIT_CC_PATH environment variable
- # * some heuristics including the NIT_DIR environment variable and the progname of the process
+ # * `toolcontext.nit_dir`
# Path can be added (or removed) by the client
var cc_paths = new Array[String]
protected fun gather_cc_paths
do
# Look for the the Nit clib path
- var path_env = "NIT_DIR".environ
- if not path_env.is_empty then
+ var path_env = toolcontext.nit_dir
+ if path_env != null then
var libname = "{path_env}/clib"
if libname.file_exists then cc_paths.add(libname)
end
- var libname = "{sys.program_name.dirname}/../clib"
- if libname.file_exists then cc_paths.add(libname.simplify_path)
-
if cc_paths.is_empty then
toolcontext.error(null, "Cannot determine the nit clib path. define envvar NIT_DIR.")
end
v.compiler.header.add_decl("extern long count_invoke_by_inline;")
end
+ if self.modelbuilder.toolcontext.opt_isset_checks_metrics.value then
+ v.add_decl("long count_attr_reads = 0;")
+ v.add_decl("long count_isset_checks = 0;")
+ v.compiler.header.add_decl("extern long count_attr_reads;")
+ v.compiler.header.add_decl("extern long count_isset_checks;")
+ end
+
v.add_decl("void sig_handler(int signo)\{")
v.add_decl("printf(\"Caught signal : %s\\n\", strsignal(signo));")
v.add_decl("show_backtrace(signo);")
v.add("printf(\"direct: %ld (%.2f%%)\\n\", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
v.add("printf(\"inlined: %ld (%.2f%%)\\n\", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
end
+
+ if self.modelbuilder.toolcontext.opt_isset_checks_metrics.value then
+ v.add("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
+ v.add("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
+ end
+
v.add("return 0;")
v.add("\}")
end
# Can the body be inlined?
fun can_inline(v: VISITOR): Bool
do
+ if is_abstract then return true
var modelbuilder = v.compiler.modelbuilder
if modelbuilder.mpropdef2npropdef.has_key(self) then
var npropdef = modelbuilder.mpropdef2npropdef[self]
fun can_inline: Bool do return true
end
-redef class AConcreteMethPropdef
+redef class AMethPropdef
redef fun compile_to_c(v, mpropdef, arguments)
do
- for i in [0..mpropdef.msignature.arity[ do
- var variable = self.n_signature.n_params[i].variable.as(not null)
- v.assign(v.variable(variable), arguments[i+1])
+ if mpropdef.is_abstract then
+ var cn = v.class_name_string(arguments.first)
+ v.add("fprintf(stderr, \"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
v.compile_callsite(auto_super_init, args)
end
end
- v.stmt(self.n_block)
+
+ var n_block = n_block
+ if n_block != null then
+ for i in [0..mpropdef.msignature.arity[ do
+ var variable = self.n_signature.n_params[i].variable.as(not null)
+ v.assign(v.variable(variable), arguments[i+1])
+ end
+ v.stmt(n_block)
+ else if mpropdef.is_intern then
+ compile_intern_to_c(v, mpropdef, arguments)
+ else if mpropdef.is_extern then
+ if mpropdef.mproperty.is_init then
+ compile_externinit_to_c(v, mpropdef, arguments)
+ else
+ compile_externmeth_to_c(v, mpropdef, arguments)
+ end
+ end
end
redef fun can_inline
if nblock isa ABlockExpr and nblock.n_expr.length == 0 then return true
return false
end
-end
-redef class AInternMethPropdef
- redef fun compile_to_c(v, mpropdef, arguments)
+ fun compile_intern_to_c(v: AbstractCompilerVisitor, mpropdef: MMethodDef, arguments: Array[RuntimeVariable])
do
var pname = mpropdef.mproperty.name
var cname = mpropdef.mclassdef.mclass.name
v.add("printf(\"NOT YET IMPLEMENTED {class_name}:{mpropdef} at {location.to_s}\\n\");")
debug("Not implemented {mpropdef}")
end
-end
-redef class AExternMethPropdef
- redef fun compile_to_c(v, mpropdef, arguments)
+ fun compile_externmeth_to_c(v: AbstractCompilerVisitor, mpropdef: MMethodDef, arguments: Array[RuntimeVariable])
do
var externname
var nextern = self.n_extern
v.ret(res)
end
end
-end
-redef class AExternInitPropdef
- redef fun compile_to_c(v, mpropdef, arguments)
+ fun compile_externinit_to_c(v: AbstractCompilerVisitor, mpropdef: MMethodDef, arguments: Array[RuntimeVariable])
do
var externname
var nextern = self.n_extern
end
end
-redef class ADeferredMethPropdef
- redef fun compile_to_c(v, mpropdef, arguments) do
- var cn = v.class_name_string(arguments.first)
- v.add("fprintf(stderr, \"Runtime error: Abstract method `%s` called on `%s`\", \"{mpropdef.mproperty.name.escape_to_c}\", {cn});")
- v.add_raw_abort
- end
- redef fun can_inline do return true
-end
-
redef class AExpr
# Try to compile self as an expression
# Do not call this method directly, use `v.expr` instead
nitlanguage / nit.git / blobdiff