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1 #!/usr/bin/env python
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2
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3 import sys
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4 import argparse
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5 import logging
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6
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313
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7 from ppci.c3 import Builder, AstPrinter
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287
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8 import ppci
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312
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9 from ppci.irutils import Verifier, Writer
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301
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10 from ppci.codegen import CodeGenerator
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205
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11 import outstream
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292
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12 from utils import HexFile
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290
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13 import target
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311
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14 from ppci import irutils
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15 import io
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16
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17
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18 logformat='%(asctime)s|%(levelname)s|%(name)s|%(message)s'
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19
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20
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253
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21 def logLevel(s):
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22 """ Converts a string to a valid logging level """
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23 numeric_level = getattr(logging, s.upper(), None)
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24 if not isinstance(numeric_level, int):
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25 raise ValueError('Invalid log level: {}'.format(s))
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26 return numeric_level
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27
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28
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29 class RstFormatter(logging.Formatter):
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30 """ Formatter that tries to create an rst document """
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31 def __init__(self):
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32 super().__init__(fmt=logformat)
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33
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34 def format(self, record):
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35 s = super().format(record)
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36 s += '\n'
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37 if hasattr(record, 'c3_ast'):
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38 f = io.StringIO()
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39 print('', file=f)
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40 print('', file=f)
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41 print('.. code::', file=f)
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42 print('', file=f)
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43 AstPrinter().printAst(record.c3_ast, f)
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44 print('', file=f)
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45 s += '\n' + f.getvalue()
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46 if hasattr(record, 'ircode'):
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47 f = io.StringIO()
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48 print('', file=f)
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49 print('', file=f)
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50 print('.. code::', file=f)
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51 print('', file=f)
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52 Writer(' ').write(record.ircode, f)
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53 print('', file=f)
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54 s += '\n' + f.getvalue()
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55 if hasattr(record, 'irfunc'):
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56 f = io.StringIO()
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57 print('', file=f)
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58 print('', file=f)
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59 print('.. code::', file=f)
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60 print('', file=f)
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61 Writer(' ').write_function(record.irfunc, f)
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62 print('', file=f)
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63 s += '\n' + f.getvalue()
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64 if hasattr(record, 'ppci_frame'):
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65 f = io.StringIO()
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66 frame = record.ppci_frame
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67 print('', file=f)
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68 print('.. code::', file=f)
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69 print('', file=f)
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70 print(' {}'.format(frame.name), file=f)
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71 for i in frame.instructions:
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72 print(' {}'.format(i),file=f)
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73 print('', file=f)
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74 s += '\n' + f.getvalue()
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75 if hasattr(record, 'ra_cfg'):
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76 f = io.StringIO()
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77 print('', file=f)
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78 print('', file=f)
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79 print('.. graphviz::', file=f)
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80 print('', file=f)
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81 print(' digraph G {', file=f)
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82 cfg = record.ra_cfg
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83 cfg.to_dot(f)
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84 print(' }', file=f)
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85 print('', file=f)
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86 s += '\n' + f.getvalue()
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87 if hasattr(record, 'ra_ig'):
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88 f = io.StringIO()
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89 print('', file=f)
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90 print('', file=f)
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91 print('.. graphviz::', file=f)
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92 print('', file=f)
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93 print(' digraph G {', file=f)
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94 ig = record.ra_ig
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95 ig.to_dot(f)
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96 print(' }', file=f)
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97 print('', file=f)
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98 s += '\n' + f.getvalue()
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312
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99 return s
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100
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101
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102 target_list = [target.armtarget]
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103 targets = {t.name: t for t in target_list}
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104 targetnames = list(targets.keys())
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105
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205
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106 # Parse arguments:
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204
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107 parser = argparse.ArgumentParser(description='lcfos Compiler')
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287
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108 # Input:
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109 parser.add_argument('source', type=argparse.FileType('r'), \
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110 help='the source file to build', nargs="+")
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111 parser.add_argument('-i', '--imp', type=argparse.FileType('r'), \
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112 help='Possible import module', action='append', default=[])
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113
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114 parser.add_argument('--optimize', action='store_true', help="Optimize")
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115 parser.add_argument('--target', help="Backend selection",
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116 choices=targetnames, required=True)
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117 parser.add_argument('-o', '--output', help='Output file', metavar='filename')
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118 parser.add_argument('--hexfile', help='Output hexfile',
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119 type=argparse.FileType('w'))
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120 parser.add_argument('--log', help='Log level (INFO,DEBUG,[WARN])',
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121 type=logLevel, default='WARN')
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122 parser.add_argument('--report', help='Specify a file to write the compile report to',
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123 type=argparse.FileType('w'))
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124
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125
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126 def zcc(srcs, imps, tg, outs, diag):
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127 """
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128 Compiler driver
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129 Compile sources into output stream.
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130 Sources is an iterable of open files.
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131 """
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132 logging.info('Zcc started {}'.format(srcs))
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207
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133 # Front end:
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134 c3b = Builder(diag, tg)
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135 cg = CodeGenerator(tg)
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136
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137 # TODO: remove this arm specifics:
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138 outs.getSection('code').address = 0x08000000
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139 outs.getSection('data').address = 0x20000000
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140
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141 # Emit some custom start code:
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142 tg.startCode(outs)
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143 for ircode in c3b.build(srcs, imps):
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144 if not ircode:
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145 return
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146
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147 d = {'ircode':ircode}
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148 logging.info('Verifying code {}'.format(ircode), extra=d)
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149 # Optimization passes, TODO
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150 Verifier().verify(ircode)
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151
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152 # Code generation:
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153 d = {'ircode':ircode}
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154 logging.info('Starting code generation for {}'.format(ircode), extra=d)
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155 cg.generate(ircode, outs)
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156 # TODO: fixup references, do this in another way?
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157 outs.backpatch()
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158 outs.backpatch() # Why two times?
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159 return c3b.ok
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160
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161
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162 def main(args):
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163 # Configure some logging:
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164 logging.getLogger().setLevel(logging.DEBUG)
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165 ch = logging.StreamHandler()
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166 ch.setFormatter(logging.Formatter(logformat))
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167 ch.setLevel(args.log)
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168 logging.getLogger().addHandler(ch)
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169 if args.report:
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170 fh = logging.StreamHandler(stream=args.report)
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171 fh.setFormatter(RstFormatter())
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172 logging.getLogger().addHandler(fh)
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173
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174 tg = targets[args.target]
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175 diag = ppci.DiagnosticsManager()
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176 outs = outstream.TextOutputStream()
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177
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178 res = zcc(args.source, args.imp, tg, outs, diag)
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179 if not res:
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180 diag.printErrors()
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181 return 1
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182
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183 logging.info('Assembly created', extra={'zcc_outs':outs})
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184
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185 code_bytes = outs.sections['code'].to_bytes()
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186 if args.output:
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187 output_filename = args.output
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188 with open(output_filename, 'wb') as f:
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189 f.write(code_bytes)
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190
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191 if args.hexfile:
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192 logging.info('Creating hexfile')
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193 hf = HexFile()
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194 hf.addRegion(0x08000000, code_bytes)
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195 hf.save(args.hexfile)
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196
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197 if args.report:
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198 logging.getLogger().removeHandler(fh)
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199 logging.getLogger().removeHandler(ch)
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200 return 0
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201
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202
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203 if __name__ == '__main__':
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204 arguments = parser.parse_args()
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205 sys.exit(main(arguments))
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