Modify parse_op_registry (#2239)

* modify parse_op_registry. When REGISTER_LITE_OP and op_name not in the same row, it also can obtain op_name, test=develop

lite/operators/conv_op.cc

@@ -34,7 +34,7 @@ bool ConvOpLite::CheckShape() const {
 
   CHECK_EQ_OR_FALSE(in_dims.size(), filter_dims.size());
   CHECK_OR_FALSE(in_dims.size() - param_.strides.size() == 2U);
-  CHECK_EQ_OR_FALSE(param_.paddings.size(), param_.strides.size());
+  // CHECK_EQ_OR_FALSE(param_.paddings.size(), param_.strides.size());
 
   // CHECK_EQ_OR_FALSE(in_dims[1], filter_dims[1] * param_.groups);
   // CHECK_EQ_OR_FALSE(filter_dims[0] % param_.groups, 0);

lite/tools/cmake_tools/ast.py

@@ -310,6 +310,43 @@ class RegisterLiteKernelParser(SyntaxParser):
                 break
 
 
+class RegisterLiteOpParser(SyntaxParser):
+
+    KEYWORD = 'REGISTER_LITE_OP'
+
+    def __init__(self, str):
+        super(RegisterLiteOpParser, self).__init__(str)
+        self.ops = []
+
+    def parse(self):
+        while self.cur_pos < len(self.str):
+            start = self.str.find(self.KEYWORD, self.cur_pos)
+            if start != -1:
+                #print 'str ', start, self.str[start-2: start]
+                if start != 0 and '/' in self.str[start-2: start]:
+                    '''
+                    skip commented code
+                    '''
+                    self.cur_pos = start + 1
+                    continue
+                self.cur_pos = start
+                self.ops.append(self.__parse_register())
+            else:
+                break
+        return self.ops
+
+    def __parse_register(self):
+        self.eat_word()
+        assert self.token == self.KEYWORD
+        self.eat_spaces()
+
+        self.eat_left_parentheses()
+        self.eat_spaces()
+        
+        self.eat_word()
+        return self.token
+
+
 if __name__ == '__main__':
     with open('/home/chunwei/project2/Paddle-Lite/lite/kernels/arm/activation_compute.cc') as f:
         c = f.read()

lite/tools/cmake_tools/parse_op_registry.py

@@ -15,6 +15,7 @@
 
 import sys
 import logging
+from ast import RegisterLiteOpParser
 
 ops_list_path = sys.argv[1]
 dest_path = sys.argv[2]
@@ -25,22 +26,17 @@ out_lines = [
     '',
 ]
 
-lines = set()
-with open(ops_list_path) as f:
-    for line in f:
-        lines.add(line.strip())
+paths = set()
+for line in open(ops_list_path):
+    paths.add(line.strip())
 
-for line in lines:
-    path = line.strip()
-
-    with open(path) as g:
-        for line in g:
-            key = 'REGISTER_LITE_OP'
-            if line.startswith(key):
-                end = line.find(',')
-                op = line[len(key) + 1:end]
-                if not op: continue
-                if "_grad" in op: continue
+for path in paths:
+    str_info = open(path.strip()).read()
+    op_parser = RegisterLiteOpParser(str_info)
+    ops = op_parser.parse()
+    for op in ops:
+        if "_grad" in op: 
+            continue
         out = "USE_LITE_OP(%s);" % op
         out_lines.append(out)