| Line 80... |
Line 80... |
#
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#
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# Configure the class for identifying and processing macros.
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# Configure the class for identifying and processing macros.
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#
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#
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################################################################################
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################################################################################
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def AddMacro(self,name,macroLength,args):
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def AddMacro(self,name,macroLength,args,doc=None):
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"""
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"""
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Add a macro to the list of recognized macros.
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Add a macro to the list of recognized macros.
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name string with the name of the macro
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name string with the name of the macro
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macroLength number of instructions the macro expands to
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macroLength number of instructions the macro expands to
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Note: A negative value means that the macro has a
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Note: A negative value means that the macro has a
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| Line 98... |
Line 98... |
2. The remaining elements of the list are the types
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2. The remaining elements of the list are the types
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of arguments that can be accepted for the
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of arguments that can be accepted for the
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required or optional arguments.
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required or optional arguments.
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Note: Only the last list in args is allowed to
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Note: Only the last list in args is allowed to
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indicate an optional value for that argument.
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indicate an optional value for that argument.
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doc doc string for the macro
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Also record the allowed number of allowed arguments to the macro.
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Also record the allowed number of allowed arguments to the macro.
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"""
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"""
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if name in self.macros['list']:
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if name in self.macros['list']:
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raise Exception('Program Bug -- name "%s" has already been listed as a macro' % name);
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raise Exception('Program Bug -- name "%s" has already been listed as a macro' % name);
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self.macros['list'].append(name);
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self.macros['list'].append(name);
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self.macros['length'].append(macroLength);
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self.macros['length'].append(macroLength);
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self.macros['args'].append(args);
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self.macros['args'].append(args);
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self.macros['doc'].append(doc)
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# Compute the range of the number of allowed arguments by first counting
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# Compute the range of the number of allowed arguments by first counting
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# the number of required arguments and then determining whether or not
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# the number of required arguments and then determining whether or not
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# there is at most one optional argument.
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# there is at most one optional argument.
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nRequired = 0;
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nRequired = 0;
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while (nRequired < len(args)) and (args[nRequired][0] == ''):
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while (nRequired < len(args)) and (args[nRequired][0] == ''):
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| Line 138... |
Line 140... |
break;
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break;
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else:
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else:
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raise asmDef.AsmException('Definition for macro "%s" not found' % macroName);
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raise asmDef.AsmException('Definition for macro "%s" not found' % macroName);
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execfile(fullMacro);
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execfile(fullMacro);
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exec('%s(self)' % macroName);
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exec('%s(self)' % macroName);
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exec('docString = %s.__doc__' % macroName)
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if docString and not self.macros['doc'][-1]:
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self.macros['doc'][-1] = docString
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def IsBuiltInMacro(self,name):
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def IsBuiltInMacro(self,name):
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"""
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"""
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Indicate if the macro is built-in to the assembler or is taken from the
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Indicate if the macro is built-in to the assembler or is taken from the
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./macros directory.
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./macros directory.
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| Line 1278... |
Line 1283... |
# Note: 'symbol' is a catch-call for functions, labels, variables, etc.
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# Note: 'symbol' is a catch-call for functions, labels, variables, etc.
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# These are restricted to the appropriate types when the macros are
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# These are restricted to the appropriate types when the macros are
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# expanded.
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# expanded.
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#
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#
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|
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self.macros = dict(list=list(), length=list(), args=list(), nArgs=list(), builtIn = list());
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self.macros = dict(list=list(), length=list(), args=list(), nArgs=list(), builtIn = list(), doc = list());
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self.EmitFunction = dict();
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self.EmitFunction = dict();
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# Macros built in to the assembler (to access primitives).
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# Macros built in to the assembler (to access primitives).
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self.AddMacro('.call', 3, [
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self.AddMacro('.call', 3, [
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['','symbol'],
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['','symbol'],
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