Added testcase to validate chaining of exit procedures

tests/regression/test-exitnested/Makefile

+all: test-ada test-llvm
+
+edit:
+	../../../opengeode.py challenge.pr system_structure.pr
+
+test-parse:
+	../../../opengeode.py challenge.pr system_structure.pr --check
+
+test-ada:
+	../../../opengeode.py --toAda challenge.pr system_structure.pr
+	asn1.exe -Ada dataview-uniq.asn -typePrefix asn1Scc -equal
+	gnatmake -c *.adb
+	gcc -c	test_ada.c
+	gnatbind -n challenge.ali
+	gnatlink -o testcase  test_ada.o challenge.ali -lgnat -lm
+	./testcase | diff expected -
+
+test-llvm:
+	../../../opengeode.py challenge.pr system_structure.pr --check --llvm
+	asn1.exe -c dataview-uniq.asn -typePrefix asn1Scc -equal
+	llc challenge.ll
+	clang -c challenge.s
+	clang -c dataview-uniq.c
+	clang -c test_llvm.c
+	clang challenge.o dataview-uniq.o test_llvm.o -o testcase -lm
+	./testcase | diff expected -
+
+coverage:
+	coverage run -p ../../../opengeode.py challenge.pr system_structure.pr --toAda
+
+clean:
+	rm -rf *.adb *.ads *.pyc runSpark.sh spark.idx *.o *.ali gnat.cfg examiner \
+	bin *.wrn *.gpr testcase *.ll *.s dataview-uniq.c dataview-uniq.h real.c xer.c \
+	ber.c acn.c asn1crt.c asn1crt.h

tests/regression/test-exitnested/challenge.pr

+/* CIF PROCESS (150, 150), (150, 75) */
+PROCESS challenge;
+    STATE nested;
+    SUBSTRUCTURE
+            STATE nested_1;
+            SUBSTRUCTURE
+                    /* CIF PROCEDURE (110, 183), (74, 35) */
+                    PROCEDURE entry;
+                        /* CIF START (105, 54), (70, 35) */
+                        START;
+                            /* CIF PROCEDURECALL (34, 104), (210, 35) */
+                            CALL writeln('entering nested_1');
+                            /* CIF RETURN (122, 154), (35, 35) */
+                            RETURN ;
+                    ENDPROCEDURE;
+                    /* CIF PROCEDURE (104, 101), (70, 35) */
+                    PROCEDURE exit;
+                        /* CIF START (198, 116), (70, 35) */
+                        START;
+                            /* CIF PROCEDURECALL (142, 166), (181, 35) */
+                            CALL writeln('exit nested_1');
+                            /* CIF RETURN (215, 216), (35, 35) */
+                            RETURN ;
+                    ENDPROCEDURE;
+                    /* CIF START (245, 55), (70, 35) */
+                    START;
+                        /* CIF NEXTSTATE (234, 105), (93, 35) */
+                        NEXTSTATE nested_2;
+                    /* CIF STATE (276, 165), (93, 35) */
+                    STATE nested_2;
+                    ENDSTATE;
+            ENDSUBSTRUCTURE;
+            /* CIF PROCEDURE (340, 134), (74, 35) */
+            PROCEDURE entry;
+                /* CIF START (121, 85), (70, 35) */
+                START;
+                    /* CIF PROCEDURECALL (57, 135), (196, 35) */
+                    CALL writeln('entering nested');
+                    /* CIF RETURN (138, 185), (35, 35) */
+                    RETURN ;
+            ENDPROCEDURE;
+            /* CIF PROCEDURE (334, 58), (70, 35) */
+            PROCEDURE exit;
+                /* CIF START (76, 53), (70, 35) */
+                START;
+                    /* CIF PROCEDURECALL (27, 103), (167, 35) */
+                    CALL writeln('exit nested');
+                    /* CIF RETURN (93, 153), (35, 35) */
+                    RETURN ;
+            ENDPROCEDURE;
+            /* CIF START (136, 68), (70, 35) */
+            START;
+                /* CIF NEXTSTATE (124, 118), (93, 35) */
+                NEXTSTATE nested_1;
+            /* CIF STATE (124, 118), (93, 35) */
+            STATE nested_1;
+                /* CIF INPUT (130, 173), (80, 35) */
+                INPUT go_off;
+                    /* CIF RETURN (153, 223), (35, 35) */
+                    RETURN ;
+            ENDSTATE;
+    ENDSUBSTRUCTURE;
+    /* CIF START (92, 76), (68, 37) */
+    START;
+        /* CIF NEXTSTATE (86, 128), (79, 35) */
+        NEXTSTATE nested;
+    /* CIF STATE (389, 131), (70, 35) */
+    STATE well;
+    ENDSTATE;
+    /* CIF STATE (86, 128), (79, 35) */
+    STATE nested;
+        /* CIF CONNECT (51, 183), (0, 35) */
+        CONNECT ;
+            /* CIF NEXTSTATE (12, 233), (78, 35) */
+            NEXTSTATE well;
+        /* CIF INPUT (145, 183), (70, 35) */
+        INPUT run;
+            /* CIF NEXTSTATE (145, 233), (70, 35) */
+            NEXTSTATE -;
+    ENDSTATE;
+ENDPROCESS challenge;
\ No newline at end of file

tests/regression/test-exitnested/dataview-uniq.asn

+TASTE-BasicTypes DEFINITIONS ::=
+BEGIN
+
+-- Set of TASTE predefined basic types
+
+T-Int32 ::=  INTEGER (-2147483648 .. 2147483647)
+
+T-UInt32 ::= INTEGER (0 .. 4294967295)
+
+T-Int8 ::= INTEGER (-128 .. 127)
+
+T-UInt8 ::= INTEGER (0 .. 255)
+
+T-Boolean ::= BOOLEAN
+
+BitString ::= BIT STRING (SIZE(32))
+OctString ::= OCTET STRING (SIZE(4))
+SeqBit ::= SEQUENCE (SIZE(32)) OF BOOLEAN
+SeqBit2 ::= SEQUENCE (SIZE(1..32)) OF BOOLEAN
+
+END
+
+TASTE-Dataview DEFINITIONS ::=
+BEGIN
+IMPORTS T-Int32, T-UInt32, T-Int8, T-UInt8, T-Boolean FROM TASTE-BasicTypes;
+
+-- A few simple types to start with ASN.1
+
+challenge T-UInt32 ::= 18
+bound T-UInt32 ::= 1000000
+nb-bit T-UInt32 ::= 20
+val-max T-UInt32 ::= 1048575
+count-max T-UInt32 ::= 524288
+exceed-nb T-UInt32 ::= 48575
+
+CountTab ::= SEQUENCE (SIZE(nb-bit)) OF T-UInt32
+		    
+END
+

tests/regression/test-exitnested/expected

+entering nested
+entering nested_1
+exit nested_1
+exit nested
+entering nested
+entering nested_1
+exit nested_1
+exit nested

tests/regression/test-exitnested/system_structure.pr

+/* CIF Keep Specific Geode ASNFilename 'dataview-uniq.asn' */
+USE Datamodel;
+SYSTEM challenge;
+
+	PROCEDURE pow COMMENT '#c_predef';
+		FPAR
+			IN a T_UInt32,
+			IN b T_UInt32,
+			IN/OUT res T_UInt32;
+ 	EXTERNAL;
+
+	SIGNAL run;
+        SIGNAL go_off;
+        SIGNAL any_one;
+        signal any_two;
+
+	CHANNEL c
+		FROM ENV TO challenge WITH run, go_off, any_one, any_two;
+	ENDCHANNEL;
+
+	BLOCK challenge;
+
+		SIGNALROUTE r
+			FROM ENV TO challenge WITH run, go_off, any_one, any_two;
+
+		CONNECT c and r;
+
+		PROCESS challenge REFERENCED;
+
+	ENDBLOCK;
+
+ENDSYSTEM;

tests/regression/test-exitnested/test.c

+#include <math.h>
+#include <stdio.h>
+
+/* Ada code external interface */
+extern void challenge_run();
+extern void challenge_any_one();
+extern int adainit();
+
+//extern long long l_result;
+
+/* Provide code called by the Ada state machine as external procedure */
+void challenge_RI_pow(long long *a, long long *b, long long *res)
+{
+    *res = (long long)pow((double)*a, (double)*b);
+}
+
+int main()
+{
+    adainit();
+    challenge_run();
+    challenge_run();
+    //printf("Internal state: %lld\n", l_result);
+    challenge_any_one();
+    challenge_run();
+    
+    return 0;
+}
+

tests/regression/test-exitnested/test_ada.c

+#include <math.h>
+#include <stdio.h>
+
+/* Ada code external interface */
+extern void challenge_run();
+extern void challenge_go_off();
+extern int adainit();
+
+//extern long long l_result;
+
+/* Provide code called by the Ada state machine as external procedure */
+void challenge_RI_pow(long long *a, long long *b, long long *res)
+{
+    *res = (long long)pow((double)*a, (double)*b);
+}
+
+int main()
+{
+    adainit();
+    challenge_run();
+    challenge_go_off();
+    
+    return 0;
+}
+

tests/regression/test-exitnested/test_llvm.c

+#include <math.h>
+#include <stdio.h>
+
+/* Ada code external interface */
+extern void challenge_run();
+extern void challenge_go_off();
+extern int challenge_startup();
+
+//extern long long l_result;
+
+/* Provide code called by the Ada state machine as external procedure */
+void challenge_RI_pow(long long *a, long long *b, long long *res)
+{
+    *res = (long long)pow((double)*a, (double)*b);
+}
+
+int main()
+{
+    challenge_startup();
+    challenge_run();
+    challenge_go_off();
+
+    return 0;
+}