Mercurial > lcfOS
comparison python/ppci/assembler.py @ 337:b00219172a42
Added cool lm3s811 qemu project
| author | Windel Bouwman |
|---|---|
| date | Thu, 20 Feb 2014 20:04:52 +0100 |
| parents | d1ecc493384e |
| children | c7cc54c0dfdf |
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| 336:d1ecc493384e | 337:b00219172a42 |
|---|---|
| 151 asmParser = Parser() | 151 asmParser = Parser() |
| 152 | 152 |
| 153 class Assembler: | 153 class Assembler: |
| 154 def __init__(self, target, stream): | 154 def __init__(self, target, stream): |
| 155 self.target = target | 155 self.target = target |
| 156 assert isinstance(target,Target) | |
| 156 self.stream = stream | 157 self.stream = stream |
| 157 self.restart() | 158 self.restart() |
| 158 self.p = asmParser | 159 self.p = asmParser |
| 159 | 160 |
| 160 # Top level interface: | 161 # Top level interface: |
| 187 self.parse_line(line) | 188 self.parse_line(line) |
| 188 self.assemble_aast() | 189 self.assemble_aast() |
| 189 | 190 |
| 190 def assemble_aast(self): | 191 def assemble_aast(self): |
| 191 """ Assemble a parsed asm line """ | 192 """ Assemble a parsed asm line """ |
| 192 if not self.target: | |
| 193 raise CompilerError('Cannot assemble without target') | |
| 194 while self.stack: | 193 while self.stack: |
| 195 vi = self.stack.pop(0) | 194 vi = self.stack.pop(0) |
| 196 if type(vi) is AInstruction: | 195 if type(vi) is AInstruction: |
| 197 mi = self.target.mapInstruction(vi) | 196 mi = self.target.mapInstruction(vi) |
| 198 elif type(vi) is ALabel: | 197 elif type(vi) is ALabel: |