qapi: Use an explicit input file

Use an explicit input file on the command-line instead of reading from standard
input.

It also outputs the proper file name when there's an error.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/tests/Makefile b/tests/Makefile
index c7fb2df..6ddfa82 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -243,17 +243,17 @@
 tests/test-qapi-types.c tests/test-qapi-types.h :\
 $(SRC_PATH)/tests/qapi-schema/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-types.py
 	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \
-		$(gen-out-type) -o tests -p "test-" < $<, \
+		$(gen-out-type) -o tests -p "test-" -i $<, \
 		"  GEN   $@")
 tests/test-qapi-visit.c tests/test-qapi-visit.h :\
 $(SRC_PATH)/tests/qapi-schema/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-visit.py
 	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py \
-		$(gen-out-type) -o tests -p "test-" < $<, \
+		$(gen-out-type) -o tests -p "test-" -i $<, \
 		"  GEN   $@")
 tests/test-qmp-commands.h tests/test-qmp-marshal.c :\
 $(SRC_PATH)/tests/qapi-schema/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-commands.py
 	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py \
-		$(gen-out-type) -o tests -p "test-" < $<, \
+		$(gen-out-type) -o tests -p "test-" -i $<, \
 		"  GEN   $@")
 
 tests/test-string-output-visitor$(EXESUF): tests/test-string-output-visitor.o $(test-qapi-obj-y) libqemuutil.a libqemustub.a
@@ -408,11 +408,12 @@
 $(patsubst %, check-%, $(check-qapi-schema-y)): check-%.json: $(SRC_PATH)/%.json
 	$(call quiet-command, PYTHONPATH=$(SRC_PATH)/scripts \
 		$(PYTHON) $(SRC_PATH)/tests/qapi-schema/test-qapi.py \
-		<$^ >$*.test.out 2>$*.test.err; \
+		$^ >$*.test.out 2>$*.test.err; \
 		echo $$? >$*.test.exit, \
 		"  TEST  $*.out")
 	@diff -q $(SRC_PATH)/$*.out $*.test.out
-	@diff -q $(SRC_PATH)/$*.err $*.test.err
+	@# Sanitize error messages (make them independent of build directory)
+	@perl -p -e 's|\Q$(SRC_PATH)\E/||g' $*.test.err | diff -q $(SRC_PATH)/$*.err -
 	@diff -q $(SRC_PATH)/$*.exit $*.test.exit
 
 # Consolidated targets
diff --git a/tests/qapi-schema/duplicate-key.err b/tests/qapi-schema/duplicate-key.err
index 0801c6a..768b276 100644
--- a/tests/qapi-schema/duplicate-key.err
+++ b/tests/qapi-schema/duplicate-key.err
@@ -1 +1 @@
-<stdin>:2:10: Duplicate key "key"
+tests/qapi-schema/duplicate-key.json:2:10: Duplicate key "key"
diff --git a/tests/qapi-schema/flat-union-invalid-branch-key.err b/tests/qapi-schema/flat-union-invalid-branch-key.err
index 1125caf..ccf72d2 100644
--- a/tests/qapi-schema/flat-union-invalid-branch-key.err
+++ b/tests/qapi-schema/flat-union-invalid-branch-key.err
@@ -1 +1 @@
-<stdin>:13: Discriminator value 'value_wrong' is not found in enum 'TestEnum'
+tests/qapi-schema/flat-union-invalid-branch-key.json:13: Discriminator value 'value_wrong' is not found in enum 'TestEnum'
diff --git a/tests/qapi-schema/flat-union-invalid-discriminator.err b/tests/qapi-schema/flat-union-invalid-discriminator.err
index cad9dbf..790b675 100644
--- a/tests/qapi-schema/flat-union-invalid-discriminator.err
+++ b/tests/qapi-schema/flat-union-invalid-discriminator.err
@@ -1 +1 @@
-<stdin>:13: Discriminator 'enum_wrong' is not a member of base type 'TestBase'
+tests/qapi-schema/flat-union-invalid-discriminator.json:13: Discriminator 'enum_wrong' is not a member of base type 'TestBase'
diff --git a/tests/qapi-schema/flat-union-no-base.err b/tests/qapi-schema/flat-union-no-base.err
index e2d7443..a59749e 100644
--- a/tests/qapi-schema/flat-union-no-base.err
+++ b/tests/qapi-schema/flat-union-no-base.err
@@ -1 +1 @@
-<stdin>:7: Flat union 'TestUnion' must have a base field
+tests/qapi-schema/flat-union-no-base.json:7: Flat union 'TestUnion' must have a base field
diff --git a/tests/qapi-schema/flat-union-string-discriminator.err b/tests/qapi-schema/flat-union-string-discriminator.err
index 8748270..200016b 100644
--- a/tests/qapi-schema/flat-union-string-discriminator.err
+++ b/tests/qapi-schema/flat-union-string-discriminator.err
@@ -1 +1 @@
-<stdin>:13: Discriminator 'kind' must be of enumeration type
+tests/qapi-schema/flat-union-string-discriminator.json:13: Discriminator 'kind' must be of enumeration type
diff --git a/tests/qapi-schema/funny-char.err b/tests/qapi-schema/funny-char.err
index d3dd293..bfc890c 100644
--- a/tests/qapi-schema/funny-char.err
+++ b/tests/qapi-schema/funny-char.err
@@ -1 +1 @@
-<stdin>:2:36: Stray ";"
+tests/qapi-schema/funny-char.json:2:36: Stray ";"
diff --git a/tests/qapi-schema/missing-colon.err b/tests/qapi-schema/missing-colon.err
index 9f2a355..d9d66b3 100644
--- a/tests/qapi-schema/missing-colon.err
+++ b/tests/qapi-schema/missing-colon.err
@@ -1 +1 @@
-<stdin>:1:10: Expected ":"
+tests/qapi-schema/missing-colon.json:1:10: Expected ":"
diff --git a/tests/qapi-schema/missing-comma-list.err b/tests/qapi-schema/missing-comma-list.err
index 4fe0700..e73d277 100644
--- a/tests/qapi-schema/missing-comma-list.err
+++ b/tests/qapi-schema/missing-comma-list.err
@@ -1 +1 @@
-<stdin>:2:20: Expected "," or "]"
+tests/qapi-schema/missing-comma-list.json:2:20: Expected "," or "]"
diff --git a/tests/qapi-schema/missing-comma-object.err b/tests/qapi-schema/missing-comma-object.err
index b0121b5..52b3a8a 100644
--- a/tests/qapi-schema/missing-comma-object.err
+++ b/tests/qapi-schema/missing-comma-object.err
@@ -1 +1 @@
-<stdin>:2:3: Expected "," or "}"
+tests/qapi-schema/missing-comma-object.json:2:3: Expected "," or "}"
diff --git a/tests/qapi-schema/non-objects.err b/tests/qapi-schema/non-objects.err
index a6c2dc2..334f0c9 100644
--- a/tests/qapi-schema/non-objects.err
+++ b/tests/qapi-schema/non-objects.err
@@ -1 +1 @@
-<stdin>:1:1: Expected "{"
+tests/qapi-schema/non-objects.json:1:1: Expected "{"
diff --git a/tests/qapi-schema/quoted-structural-chars.err b/tests/qapi-schema/quoted-structural-chars.err
index a6c2dc2..9b18384 100644
--- a/tests/qapi-schema/quoted-structural-chars.err
+++ b/tests/qapi-schema/quoted-structural-chars.err
@@ -1 +1 @@
-<stdin>:1:1: Expected "{"
+tests/qapi-schema/quoted-structural-chars.json:1:1: Expected "{"
diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
index 5a26ef3..634ef2d 100644
--- a/tests/qapi-schema/test-qapi.py
+++ b/tests/qapi-schema/test-qapi.py
@@ -12,10 +12,11 @@
 
 from qapi import *
 from pprint import pprint
+import os
 import sys
 
 try:
-    exprs = parse_schema(sys.stdin)
+    exprs = parse_schema(sys.argv[1])
 except SystemExit:
     raise
 
diff --git a/tests/qapi-schema/trailing-comma-list.err b/tests/qapi-schema/trailing-comma-list.err
index ff839a3..24c24b0 100644
--- a/tests/qapi-schema/trailing-comma-list.err
+++ b/tests/qapi-schema/trailing-comma-list.err
@@ -1 +1 @@
-<stdin>:2:36: Expected "{", "[" or string
+tests/qapi-schema/trailing-comma-list.json:2:36: Expected "{", "[" or string
diff --git a/tests/qapi-schema/trailing-comma-object.err b/tests/qapi-schema/trailing-comma-object.err
index f540962..30bce5e 100644
--- a/tests/qapi-schema/trailing-comma-object.err
+++ b/tests/qapi-schema/trailing-comma-object.err
@@ -1 +1 @@
-<stdin>:2:38: Expected string
+tests/qapi-schema/trailing-comma-object.json:2:38: Expected string
diff --git a/tests/qapi-schema/unclosed-list.err b/tests/qapi-schema/unclosed-list.err
index 0e837a7..fb41a86 100644
--- a/tests/qapi-schema/unclosed-list.err
+++ b/tests/qapi-schema/unclosed-list.err
@@ -1 +1 @@
-<stdin>:1:20: Expected "," or "]"
+tests/qapi-schema/unclosed-list.json:1:20: Expected "," or "]"
diff --git a/tests/qapi-schema/unclosed-object.err b/tests/qapi-schema/unclosed-object.err
index e6dc950..db3deed 100644
--- a/tests/qapi-schema/unclosed-object.err
+++ b/tests/qapi-schema/unclosed-object.err
@@ -1 +1 @@
-<stdin>:1:21: Expected "," or "}"
+tests/qapi-schema/unclosed-object.json:1:21: Expected "," or "}"
diff --git a/tests/qapi-schema/unclosed-string.err b/tests/qapi-schema/unclosed-string.err
index 948d883..12b1870 100644
--- a/tests/qapi-schema/unclosed-string.err
+++ b/tests/qapi-schema/unclosed-string.err
@@ -1 +1 @@
-<stdin>:1:11: Missing terminating "'"
+tests/qapi-schema/unclosed-string.json:1:11: Missing terminating "'"
diff --git a/tests/qapi-schema/union-invalid-base.err b/tests/qapi-schema/union-invalid-base.err
index dd8e3d1..938f969 100644
--- a/tests/qapi-schema/union-invalid-base.err
+++ b/tests/qapi-schema/union-invalid-base.err
@@ -1 +1 @@
-<stdin>:7: Base 'TestBaseWrong' is not a valid type
+tests/qapi-schema/union-invalid-base.json:7: Base 'TestBaseWrong' is not a valid type