Created
July 7, 2011 16:46
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The Scruit compiler.
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import os, sys, string, random | |
COMPILER_ERRORS = """ | |
Cannot have multiple default property/method in a Class | |
Cannot use parentheses when calling a Sub | |
Class initialize or terminate do not have arguments | |
'Default' specification can only be on Property Get | |
'Default' specification must also specify 'Public' | |
Expected '(' | |
Expected ')' | |
Expected '=' | |
Expected 'Case' | |
Expected 'Class' | |
Expected end of statement | |
Expected 'End' | |
Expected expression | |
Expected 'Function' | |
Expected identifier | |
Expected 'If' | |
Expected 'In' | |
Expected integer constant | |
Expected Let or Set or Get in property declaration | |
Expected literal constant | |
Expected 'Loop' | |
Expected 'Next' | |
Expected 'Property' | |
Expected 'Select' | |
Expected statement | |
Expected 'Sub' | |
Expected 'Then' | |
Expected 'To' | |
Expected 'Wend' | |
Expected 'While' or 'Until' | |
Expected 'While,' 'Until,' or end of statement | |
Expected 'With' | |
Identifier too long | |
Invalid character | |
Invalid 'exit' statement | |
Invalid 'for' loop control variable | |
Invalid number | |
Invalid use of 'Me' keyword | |
'loop' without 'do' | |
Must be defined inside a Class | |
Must be first statement on the line | |
Name redefined | |
Number of arguments must be consistent across properties specification | |
Out of Memory | |
Property Set or Let must have at least one argument | |
Syntax error | |
Unexpected 'Next' | |
Unterminated string constant""" | |
COMPILER_ERRORS = COMPILER_ERRORS.split('\n') | |
# Compiler variables | |
inFile = '' | |
inFileData = '' | |
# Get input file | |
try: | |
inFile = sys.argv[1] | |
except: | |
print 'Scruit: No input file.' | |
sys.exit(1) | |
# Read input file | |
try: | |
fp = open(inFile, 'r') | |
inFileData = fp.read() | |
fp.close() | |
except: | |
print 'Scruit: Failed reading input file.' | |
sys.exit(1) | |
# Parse input file. | |
try: | |
inFileLines = inFileData.split('\n') | |
inFileLines.remove('\n') | |
if (len(inFileLines) <= 0): | |
print 'Scruit: Input file empty.' | |
except: | |
print 'Scruit: Failed parsing with newlines.' | |
try: | |
lineCount = 0 | |
for fileLine in inFileLines: | |
if (fileLine == ''): | |
continue | |
print str(lineCount) + ':\n' + fileLine + '\n' | |
print '-' * random.randint(0, len(fileLine)), | |
print '^\t' + random.choice(COMPILER_ERRORS) + '\n' | |
lineCount = lineCount + 1 | |
except: | |
print 'Scruit: Fatal error, Scruit!' | |
print 'SUCCESS!' |
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This. This is hilarious. At first I thought it was serious, until I read
random.choice(COMPILER_ERRORS)
Do you know about
enumerate(iterable)
?