Mercurial > lcfOS
annotate python/ppci/errors.py @ 182:e9b27f7193e3
Replace clear function by function also supported in python 3.2
| author | Windel Bouwman |
|---|---|
| date | Sat, 18 May 2013 18:24:42 +0200 |
| parents | 5a7d37d615ee |
| children | 6b2bec5653f1 |
| rev | line source |
|---|---|
| 148 | 1 """ |
| 2 Error handling routines | |
| 3 Diagnostic utils | |
| 4 """ | |
| 5 | |
| 152 | 6 class CompilerError(Exception): |
| 148 | 7 def __init__(self, msg, loc): |
| 1 | 8 self.msg = msg |
| 148 | 9 self.loc = loc |
| 1 | 10 def __repr__(self): |
| 167 | 11 return 'Compilererror {0} at row {1}'.format(self.msg, self.loc.row) |
| 1 | 12 |
| 13 def printError(source, e): | |
| 14 def printLine(row, txt): | |
| 15 print(str(row)+':'+txt) | |
| 148 | 16 if e.loc.row == 0: |
| 1 | 17 print('Error: {0}'.format(e.msg)) |
| 18 else: | |
| 19 lines = source.split('\n') | |
| 148 | 20 ro, co = e.loc.row, e.loc.col |
| 21 prerow = ro - 2 | |
| 1 | 22 if prerow < 1: |
| 23 prerow = 1 | |
| 148 | 24 afterrow = ro + 3 |
| 1 | 25 if afterrow > len(lines): |
| 26 afterrow = len(lines) | |
| 27 | |
| 28 # print preceding source lines: | |
| 148 | 29 for r in range(prerow, ro): |
| 1 | 30 printLine(r, lines[r-1]) |
| 31 # print source line containing error: | |
| 148 | 32 printLine(ro, lines[ro-1]) |
| 33 print(' '*(len(str(ro)+':')+co-1) + '^ Error: {0}'.format(e.msg)) | |
| 1 | 34 # print trailing source line: |
| 148 | 35 for r in range(ro+1, afterrow+1): |
| 1 | 36 printLine(r, lines[r-1]) |
| 148 | 37 |
| 152 | 38 class DiagnosticsManager: |
| 148 | 39 def __init__(self): |
| 40 self.diags = [] | |
| 152 | 41 def addDiag(self, d): |
| 148 | 42 self.diags.append(d) |
| 152 | 43 def error(self, msg, loc): |
| 44 self.addDiag(CompilerError(msg, loc)) | |
| 167 | 45 def clear(self): |
|
182
e9b27f7193e3
Replace clear function by function also supported in python 3.2
Windel Bouwman
parents:
172
diff
changeset
|
46 del self.diags[:] |
| 172 | 47 def printErrors(self, src): |
| 48 if len(self.diags) > 0: | |
| 49 print('{0} Errors'.format(len(self.diags))) | |
| 50 for d in self.diags: | |
| 51 printError(src, d) | |
| 148 | 52 |