Mercurial Repositories > eric / file comparison
comparison: Plugins/CheckerPlugins/SyntaxChecker/jsCheckSyntax.py
Plugins/CheckerPlugins/SyntaxChecker/jsCheckSyntax.py
- changeset 4231
- 0b38613388c9
- parent 4021
- 195a471c327b
- child 4236
- 8d4e498a7af8
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| 4230:1117b60c1f9d | 4231:0b38613388c9 |
|---|---|
| 7 """ | 7 """ |
| 8 Module implementing the syntax check for Python 2/3. | 8 Module implementing the syntax check for Python 2/3. |
| 9 """ | 9 """ |
| 10 import os | 10 import os |
| 11 import sys | 11 import sys |
| 12 import multiprocessing | |
| 12 | 13 |
| 13 | 14 |
| 14 def initService(): | 15 def initService(): |
| 15 """ | 16 """ |
| 16 Initialize the service and return the entry point. | 17 Initialize the service and return the entry point. |
| 19 """ | 20 """ |
| 20 path = __file__ | 21 path = __file__ |
| 21 for i in range(4): | 22 for i in range(4): |
| 22 path = os.path.dirname(path) | 23 path = os.path.dirname(path) |
| 23 sys.path.insert(2, os.path.join(path, "ThirdParty", "Jasy")) | 24 sys.path.insert(2, os.path.join(path, "ThirdParty", "Jasy")) |
| 24 return jsCheckSyntax | 25 return jsSyntaxCheck |
| 26 | |
| 27 | |
| 28 def initBatchService(): | |
| 29 """ | |
| 30 Initialize the batch service and return the entry point. | |
| 31 | |
| 32 @return the entry point for the background client (function) | |
| 33 """ | |
| 34 return jsSyntaxBatchCheck | |
| 25 | 35 |
| 26 | 36 |
| 27 def normalizeCode(codestring): | 37 def normalizeCode(codestring): |
| 28 """ | 38 """ |
| 29 Function to normalize the given code. | 39 Function to normalize the given code. |
| 44 # pass | 54 # pass |
| 45 | 55 |
| 46 return codestring | 56 return codestring |
| 47 | 57 |
| 48 | 58 |
| 49 def jsCheckSyntax(file, codestring): | 59 def jsSyntaxCheck(file, codestring): |
| 60 """ | |
| 61 Function to check a Javascript source file for syntax errors. | |
| 62 | |
| 63 @param file source filename (string) | |
| 64 @param codestring string containing the code to check (string) | |
| 65 @return dictionary with the keys 'error' and 'warnings' which | |
| 66 hold a list containing details about the error/ warnings | |
| 67 (file name, line number, column, codestring (only at syntax | |
| 68 errors), the message, a list with arguments for the message) | |
| 69 """ | |
| 70 return __jsSyntaxCheck(file, codestring) | |
| 71 | |
| 72 | |
| 73 def jsSyntaxBatchCheck(argumentsList, send, fx, cancelled): | |
| 74 """ | |
| 75 Module function to check syntax for a batch of files. | |
| 76 | |
| 77 @param argumentsList list of arguments tuples as given for | |
| 78 syntaxAndPyflakesCheck | |
| 79 @param send reference to send function (function) | |
| 80 @param fx registered service name (string) | |
| 81 @param cancelled reference to function checking for a cancellation | |
| 82 (function) | |
| 83 """ | |
| 84 try: | |
| 85 NumberOfProcesses = multiprocessing.cpu_count() | |
| 86 if NumberOfProcesses >= 1: | |
| 87 NumberOfProcesses -= 1 | |
| 88 except NotImplementedError: | |
| 89 NumberOfProcesses = 1 | |
| 90 | |
| 91 # Create queues | |
| 92 taskQueue = multiprocessing.Queue() | |
| 93 doneQueue = multiprocessing.Queue() | |
| 94 | |
| 95 # Submit tasks (initially two time number of processes | |
| 96 initialTasks = 2 * NumberOfProcesses | |
| 97 for task in argumentsList[:initialTasks]: | |
| 98 taskQueue.put(task) | |
| 99 | |
| 100 # Start worker processes | |
| 101 for i in range(NumberOfProcesses): | |
| 102 multiprocessing.Process(target=worker, args=(taskQueue, doneQueue))\ | |
| 103 .start() | |
| 104 | |
| 105 # Get and send results | |
| 106 endIndex = len(argumentsList) - initialTasks | |
| 107 for i in range(len(argumentsList)): | |
| 108 filename, result = doneQueue.get() | |
| 109 send(fx, filename, result) | |
| 110 if cancelled(): | |
| 111 # just exit the loop ignoring the results of queued tasks | |
| 112 break | |
| 113 if i < endIndex: | |
| 114 taskQueue.put(argumentsList[i + initialTasks]) | |
| 115 | |
| 116 # Tell child processes to stop | |
| 117 for i in range(NumberOfProcesses): | |
| 118 taskQueue.put('STOP') | |
| 119 | |
| 120 | |
| 121 def worker(input, output): | |
| 122 """ | |
| 123 Module function acting as the parallel worker for the style check. | |
| 124 | |
| 125 @param input input queue (multiprocessing.Queue) | |
| 126 @param output output queue (multiprocessing.Queue) | |
| 127 """ | |
| 128 for filename, args in iter(input.get, 'STOP'): | |
| 129 source = args[0] | |
| 130 result = __jsSyntaxCheck(filename, source) | |
| 131 output.put((filename, result)) | |
| 132 | |
| 133 | |
| 134 def __jsSyntaxCheck(file, codestring): | |
| 50 """ | 135 """ |
| 51 Function to check a Javascript source file for syntax errors. | 136 Function to check a Javascript source file for syntax errors. |
| 52 | 137 |
| 53 @param file source filename (string) | 138 @param file source filename (string) |
| 54 @param codestring string containing the code to check (string) | 139 @param codestring string containing the code to check (string) |
