abstract_compiler: add some flags to teach clang to be more silent

[nit.git] / src / abstract_compiler.nit

diff --git a/src/abstract_compiler.nit b/src/abstract_compiler.nit
index c2785ed..031be97 100644 (file)
--- a/src/abstract_compiler.nit
+++ b/src/abstract_compiler.nit
@@ -323,7 +323,7 @@ class MakefileToolchain
                var ost = toolcontext.opt_stacktrace.value
                if ost == "libunwind" or ost == "nitstack" then linker_options.add("-lunwind")
 
-               makefile.write("CC = ccache cc\nCFLAGS = -g -O2\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS  ?= -lm -lgc {linker_options.join(" ")}\n\n")
+               makefile.write("CC = ccache cc\nCFLAGS = -g -O2 -Wno-unused-value -Wno-switch\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS  ?= -lm -lgc {linker_options.join(" ")}\n\n")
                makefile.write("all: {outpath}\n\n")
 
                var ofiles = new Array[String]
@@ -893,6 +893,8 @@ abstract class AbstractCompilerVisitor
                return self.send(callsite.mproperty, args)
        end
 
+       fun native_array_instance(elttype: MType, length: RuntimeVariable): RuntimeVariable is abstract
+
        fun calloc_array(ret_type: MType, arguments: Array[RuntimeVariable]) is abstract
 
        fun native_array_def(pname: String, ret_type: nullable MType, arguments: Array[RuntimeVariable]) is abstract
@@ -1703,6 +1705,8 @@ redef class AMethPropdef
                var ret = mpropdef.msignature.return_mtype
                if ret != null then
                        ret = v.resolve_for(ret, arguments.first)
+               else if mpropdef.mproperty.is_new then
+                       ret = arguments.first.mcasttype
                end
                if pname != "==" and pname != "!=" then
                        v.adapt_signature(mpropdef, arguments)
@@ -1882,6 +1886,9 @@ redef class AMethPropdef
                        else if pname == "atoi" then
                                v.ret(v.new_expr("atoi({arguments[0]});", ret.as(not null)))
                                return
+                       else if pname == "init" then
+                               v.ret(v.new_expr("(char*)nit_alloc({arguments[1]})", ret.as(not null)))
+                               return
                        end
                else if cname == "NativeArray" then
                        v.native_array_def(pname, ret, arguments)
@@ -2611,13 +2618,18 @@ redef class ANewExpr
                var mtype = self.mtype.as(MClassType)
                var recv
                var ctype = mtype.ctype
-               if ctype == "val*" then
+               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 == "void*" then
                        recv = v.new_expr("NULL/*special!*/", mtype)
                else
-                       debug("cannot new {mtype}")
-                       abort
+                       recv = v.new_expr("({ctype})0/*special!*/", mtype)
                end
                var args = [recv]
                for a in self.n_args.n_exprs do