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authorKevin Peng <kevin.peng@arm.com>2021-02-23 09:53:54 +0800
committerKevin Peng <kevin.peng@arm.com>2021-02-23 09:53:54 +0800
commitd65629def610abded9f8f242043eb6aefc5ee071 (patch)
tree764ea6f4d533af45d5e2485a857457cfac317c4c /bl2
parent5ec7965124f4b6d0c1b1653d67da2171175c26da (diff)
downloadtrusted-firmware-m-d65629def610abded9f8f242043eb6aefc5ee071.tar.gz
Introduce end-of-line normalization
Change-Id: Ia78df87957163ad6dd65b9b72cf539a96e57ddf4 Signed-off-by: Kevin Peng <kevin.peng@arm.com>
Diffstat (limited to 'bl2')
-rw-r--r--bl2/ext/mcuboot/scripts/macro_parser.py146
1 files changed, 73 insertions, 73 deletions
diff --git a/bl2/ext/mcuboot/scripts/macro_parser.py b/bl2/ext/mcuboot/scripts/macro_parser.py
index 188c65094..5d9418a4e 100644
--- a/bl2/ext/mcuboot/scripts/macro_parser.py
+++ b/bl2/ext/mcuboot/scripts/macro_parser.py
@@ -1,73 +1,73 @@
-#! /usr/bin/env python3
-#
-# -----------------------------------------------------------------------------
-# Copyright (c) 2019, Arm Limited. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-3-Clause
-#
-# -----------------------------------------------------------------------------
-
-
-import re
-import os
-
-expression_re = re.compile(r"[(]?(([(]?(((0x)[0-9a-fA-F]+)|([0-9]+))[)]?)\s*([\+\-]\s*([(]?(((0x)[0-9a-fA-F]+)|([0-9]+))[)]?)\s*)*)[)]?")
-
-# Simple parser that takes a string and evaluates an expression from it.
-# The expression might contain additions and subtractions amongst numbers that
-# are written in decimal or hexadecimal form.
-# The parses can process expressions in which the parentheses does not change
-# the sign of the following number or numbers in an expression.
-# Thus the parser can process the following expression: (x + y)
-# However it will not calculate the correct sum for the expression below:
-# (x - (y + z))
-def parse_and_sum(text):
- m = expression_re.match(text)
- if m is None:
- msg = "The script was probably invoked manually"
- msg += " with having certain macros nested in flash_layouts.h.\n"
- msg += "Please revisit the flash_layout.h file and hardcode values"
- msg += " for the (NON-)SECURE_IMAGE_OFFSET and"
- msg += " (NON-)SECURE_IMAGE_MAX_SIZE macros"
- raise Exception(msg)
-
- nums = re.findall(r'(0x[A-Fa-f0-9]+)|[\d]+', m.group(0))
- for i in range(len(nums)):
- nums[i] = int(nums[i], 0)
- ops = re.findall(r'\+|\-', m.group(0))
- sum = nums[0]
- for i in range(len(ops)):
- if ops[i] == '+':
- sum += nums[i+1]
- else:
- sum -= nums[i+1]
- return sum
-
-
-# Opens a file that contains the macro of interest, then finds the macro with
-# a regular expression, parses the expression that is defined for the given
-# macro. Lastly it evaluates the expression with the parse_and_sum function
-def evaluate_macro(file, regexp, matchGroupKey, matchGroupData, bracketless=False):
- regexp_compiled = re.compile(regexp)
-
- if os.path.isabs(file):
- configFile = file
- else:
- scriptsDir = os.path.dirname(os.path.abspath(__file__))
- configFile = os.path.join(scriptsDir, file)
-
- macroValue = {}
- with open(configFile, 'r') as macros_preprocessed_file:
- for line in macros_preprocessed_file:
- if bracketless:
- line=line.replace("(","")
- line=line.replace(")","")
- m = regexp_compiled.match(line)
- if m is not None:
- macroValue[m.group(matchGroupKey)] = \
- parse_and_sum(m.group(matchGroupData))
-
- if (matchGroupKey == 0 and not macroValue):
- macroValue["None"] = None
-
- return list(macroValue.values())[0] if (matchGroupKey == 0) else macroValue
+#! /usr/bin/env python3
+#
+# -----------------------------------------------------------------------------
+# Copyright (c) 2019, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# -----------------------------------------------------------------------------
+
+
+import re
+import os
+
+expression_re = re.compile(r"[(]?(([(]?(((0x)[0-9a-fA-F]+)|([0-9]+))[)]?)\s*([\+\-]\s*([(]?(((0x)[0-9a-fA-F]+)|([0-9]+))[)]?)\s*)*)[)]?")
+
+# Simple parser that takes a string and evaluates an expression from it.
+# The expression might contain additions and subtractions amongst numbers that
+# are written in decimal or hexadecimal form.
+# The parses can process expressions in which the parentheses does not change
+# the sign of the following number or numbers in an expression.
+# Thus the parser can process the following expression: (x + y)
+# However it will not calculate the correct sum for the expression below:
+# (x - (y + z))
+def parse_and_sum(text):
+ m = expression_re.match(text)
+ if m is None:
+ msg = "The script was probably invoked manually"
+ msg += " with having certain macros nested in flash_layouts.h.\n"
+ msg += "Please revisit the flash_layout.h file and hardcode values"
+ msg += " for the (NON-)SECURE_IMAGE_OFFSET and"
+ msg += " (NON-)SECURE_IMAGE_MAX_SIZE macros"
+ raise Exception(msg)
+
+ nums = re.findall(r'(0x[A-Fa-f0-9]+)|[\d]+', m.group(0))
+ for i in range(len(nums)):
+ nums[i] = int(nums[i], 0)
+ ops = re.findall(r'\+|\-', m.group(0))
+ sum = nums[0]
+ for i in range(len(ops)):
+ if ops[i] == '+':
+ sum += nums[i+1]
+ else:
+ sum -= nums[i+1]
+ return sum
+
+
+# Opens a file that contains the macro of interest, then finds the macro with
+# a regular expression, parses the expression that is defined for the given
+# macro. Lastly it evaluates the expression with the parse_and_sum function
+def evaluate_macro(file, regexp, matchGroupKey, matchGroupData, bracketless=False):
+ regexp_compiled = re.compile(regexp)
+
+ if os.path.isabs(file):
+ configFile = file
+ else:
+ scriptsDir = os.path.dirname(os.path.abspath(__file__))
+ configFile = os.path.join(scriptsDir, file)
+
+ macroValue = {}
+ with open(configFile, 'r') as macros_preprocessed_file:
+ for line in macros_preprocessed_file:
+ if bracketless:
+ line=line.replace("(","")
+ line=line.replace(")","")
+ m = regexp_compiled.match(line)
+ if m is not None:
+ macroValue[m.group(matchGroupKey)] = \
+ parse_and_sum(m.group(matchGroupData))
+
+ if (matchGroupKey == 0 and not macroValue):
+ macroValue["None"] = None
+
+ return list(macroValue.values())[0] if (matchGroupKey == 0) else macroValue