#!/usr/bin/env python
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import srclexer, srcparser, globals

class TestCase:

    @staticmethod
    def run (tokens, defines):
        mcExpander = srcparser.MacroExpander(tokens, defines)
        mcExpander.debug = True
        mcExpander.expand()
        tokens = mcExpander.getTokens()
        print(tokens)

    @staticmethod
    def simpleNoArgs ():
        tokens = ['FUNC_FOO', '(', 'left', ',', 'right', ')']
        defines = {}
        macro = globals.Macro('FUNC_FOO')
        macro.tokens = ['Here', 'comes', 'X', 'and', 'Y']
        defines['FUNC_FOO'] = macro
        TestCase.run(tokens, defines)

    @staticmethod
    def simpleArgs ():
        tokens = ['FUNC_FOO', '(', 'left', ',', 'right', ')']
        defines = {}
        macro = globals.Macro('FUNC_FOO')
        macro.tokens = ['Here', 'comes', 'X', 'and', 'Y']
        macro.vars['X'] = 0
        macro.vars['Y'] = 1
        defines['FUNC_FOO'] = macro
        TestCase.run(tokens, defines)

    @staticmethod
    def multiTokenArgs ():
        tokens = ['FUNC_FOO', '(', 'left1', 'left2', 'left3', ',', 'right', ')']
        defines = {}
        macro = globals.Macro('FUNC_FOO')
        macro.tokens = ['Here', 'comes', 'X', 'and', 'Y']
        macro.vars['X'] = 0
        macro.vars['Y'] = 1
        defines['FUNC_FOO'] = macro
        TestCase.run(tokens, defines)

    @staticmethod
    def nestedTokenArgs ():
        tokens = ['FUNC_BAA', '(', 'left', ',', 'right', ')']
        defines = {}
        macro = globals.Macro('FUNC_FOO')
        macro.tokens = ['Here', 'comes', 'X', 'and', 'Y']
        macro.vars['X'] = 0
        macro.vars['Y'] = 1
        defines['FUNC_FOO'] = macro
        macro = globals.Macro('FUNC_BAA')
        macro.tokens = ['FUNC_FOO']
        defines['FUNC_BAA'] = macro
        TestCase.run(tokens, defines)

def main ():
    print("simple expansion with no arguments")
    TestCase.simpleNoArgs()
    print("simple argument expansion")
    TestCase.simpleArgs()
    print("multi-token argument expansion")
    TestCase.multiTokenArgs()
    print("nested argument expansion")
    TestCase.nestedTokenArgs()

if __name__ ==  '__main__':
    main()