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[Qemu-devel] [PATCH v3 11/24] qapi: Add a primitive to include other fil


From: Lluís Vilanova
Subject: [Qemu-devel] [PATCH v3 11/24] qapi: Add a primitive to include other files from a QAPI schema file
Date: Sun, 21 Apr 2013 21:12:31 +0200
User-agent: StGit/0.16

Adds the "include(...)" primitive to the syntax of QAPI schema files.

Signed-off-by: Lluís Vilanova <address@hidden>
---
 scripts/qapi-commands.py |   10 +++++++---
 scripts/qapi-types.py    |   10 +++++++---
 scripts/qapi-visit.py    |   10 +++++++---
 scripts/qapi.py          |   12 +++++++++++-
 4 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/scripts/qapi-commands.py b/scripts/qapi-commands.py
index e06332b..fa16651 100644
--- a/scripts/qapi-commands.py
+++ b/scripts/qapi-commands.py
@@ -386,13 +386,15 @@ def gen_command_def_prologue(prefix="", proxy=False):
 
 
 try:
-    opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:o:m",
+    opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:i:o:m",
                                    ["source", "header", "prefix=",
-                                    "output-dir=", "type=", "middle"])
+                                    "input-dir=", "output-dir=",
+                                    "type=", "middle"])
 except getopt.GetoptError, err:
     print str(err)
     sys.exit(1)
 
+input_dir = ""
 output_dir = ""
 prefix = ""
 dispatch_type = "sync"
@@ -406,6 +408,8 @@ do_h = False
 for o, a in opts:
     if o in ("-p", "--prefix"):
         prefix = a
+    elif o in ("-i", "--input-dir"):
+        input_dir = a
     elif o in ("-o", "--output-dir"):
         output_dir = a + "/"
     elif o in ("-t", "--type"):
@@ -437,7 +441,7 @@ except os.error, e:
     if e.errno != errno.EEXIST:
         raise
 
-exprs = parse_schema(sys.stdin)
+exprs = parse_schema(sys.stdin, input_dir)
 commands = filter(lambda expr: expr.has_key('command'), exprs)
 commands = filter(lambda expr: not expr.has_key('gen'), commands)
 
diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py
index 9e19920..ea33668 100644
--- a/scripts/qapi-types.py
+++ b/scripts/qapi-types.py
@@ -184,13 +184,15 @@ void qapi_free_%(type)s(%(c_type)s obj)
 
 
 try:
-    opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:o:",
-                                   ["source", "header", "prefix=", 
"output-dir="])
+    opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:i:o:",
+                                   ["source", "header", "prefix=",
+                                    "input-dir=", "output-dir="])
 except getopt.GetoptError, err:
     print str(err)
     sys.exit(1)
 
 output_dir = ""
+input_dir = ""
 prefix = ""
 c_file = 'qapi-types.c'
 h_file = 'qapi-types.h'
@@ -201,6 +203,8 @@ do_h = False
 for o, a in opts:
     if o in ("-p", "--prefix"):
         prefix = a
+    elif o in ("-i", "--input-dir"):
+        input_dir = a
     elif o in ("-o", "--output-dir"):
         output_dir = a + "/"
     elif o in ("-c", "--source"):
@@ -279,7 +283,7 @@ fdecl.write(mcgen('''
 ''',
                   guard=guardname(h_file)))
 
-exprs = parse_schema(sys.stdin)
+exprs = parse_schema(sys.stdin, input_dir)
 exprs = filter(lambda expr: not expr.has_key('gen'), exprs)
 
 for expr in exprs:
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index a276540..c372e99 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -235,12 +235,14 @@ void visit_type_%(name)s(Visitor *m, %(name)s * obj, 
const char *name, Error **e
                 name=name)
 
 try:
-    opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:o:",
-                                   ["source", "header", "prefix=", 
"output-dir="])
+    opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:i:o:",
+                                   ["source", "header", "prefix=",
+                                    "input-dir=", "output-dir="])
 except getopt.GetoptError, err:
     print str(err)
     sys.exit(1)
 
+input_dir = ""
 output_dir = ""
 prefix = ""
 c_file = 'qapi-visit.c'
@@ -252,6 +254,8 @@ do_h = False
 for o, a in opts:
     if o in ("-p", "--prefix"):
         prefix = a
+    elif o in ("-i", "--input-dir"):
+        input_dir = a
     elif o in ("-o", "--output-dir"):
         output_dir = a + "/"
     elif o in ("-c", "--source"):
@@ -327,7 +331,7 @@ fdecl.write(mcgen('''
 ''',
                   prefix=prefix, guard=guardname(h_file)))
 
-exprs = parse_schema(sys.stdin)
+exprs = parse_schema(sys.stdin, input_dir)
 
 for expr in exprs:
     if expr.has_key('type'):
diff --git a/scripts/qapi.py b/scripts/qapi.py
index afc5f32..b4f98b5 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -9,8 +9,12 @@
 # This work is licensed under the terms of the GNU GPLv2.
 # See the COPYING.LIB file in the top-level directory.
 
+import os
+import re
 from ordereddict import OrderedDict
 
+include_cre = re.compile("\s*include\(\"([^\"]*)\"\)")
+
 def tokenize(data):
     while len(data):
         ch = data[0]
@@ -72,7 +76,7 @@ def parse(tokens):
 def evaluate(string):
     return parse(map(lambda x: x, tokenize(string)))[0]
 
-def parse_schema(fp):
+def parse_schema(fp, input_dir):
     exprs = []
     expr = ''
     expr_eval = None
@@ -81,6 +85,12 @@ def parse_schema(fp):
         if line.startswith('#') or line == '\n':
             continue
 
+        line_file = include_cre.match(line)
+        if line_file is not None:
+            path = os.sep.join([input_dir, line_file.group(1)])
+            exprs += parse_schema(file(path), input_dir)
+            continue
+
         if line.startswith(' '):
             expr += line
         elif expr:




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