diff options
Diffstat (limited to 'codegen.py')
| -rw-r--r-- | codegen.py | 34 |
1 files changed, 27 insertions, 7 deletions
@@ -45,6 +45,22 @@ erlangTypeMap = { 'timestamp': 'timestamp', } +# Coming up with a proper encoding of AMQP tables in JSON is too much +# hassle at this stage. Given that the only default value we are +# interested in is for the empty table, we only support that. +def convertTable(d): + if len(d) == 0: + return "[]" + else: raise 'Non-empty table defaults not supported', d + +erlangDefaultValueTypeConvMap = { + bool : lambda x: str(x).lower(), + str : lambda x: "<<\"" + x + "\">>", + int : lambda x: str(x), + float : lambda x: str(x), + dict: convertTable +} + def erlangize(s): s = s.replace('-', '_') s = s.replace(' ', '_') @@ -271,6 +287,15 @@ def genHrl(spec): def fieldNameList(fields): return ', '.join([erlangize(f.name) for f in fields]) + + def fieldNameListDefaults(fields): + def fillField(field): + result = erlangize(f.name) + if field.defaultvalue != None: + conv_fn = erlangDefaultValueTypeConvMap[type(field.defaultvalue)] + result += ' = ' + conv_fn(field.defaultvalue) + return result + return ', '.join([fillField(f) for f in fields]) methods = spec.allMethods() @@ -283,23 +308,18 @@ def genHrl(spec): print "%% Method field records." for m in methods: - print "-record(%s, {%s})." % (m.erlangName(), fieldNameList(m.arguments)) + print "-record(%s, {%s})." % (m.erlangName(), fieldNameListDefaults(m.arguments)) print "%% Class property records." for c in spec.allClasses(): print "-record('P_%s', {%s})." % (erlangize(c.name), fieldNameList(c.fields)) -#--------------------------------------------------------------------------- - def generateErl(specPath): genErl(AmqpSpec(specPath)) def generateHrl(specPath): genHrl(AmqpSpec(specPath)) - + if __name__ == "__main__": do_main(generateHrl, generateErl) - - - |