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annotate python/testc3.py @ 204:de3a68f677a5

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Added long comment to c3 parser
author Windel Bouwman
date Fri, 21 Jun 2013 15:01:08 +0200
parents b01429a5d695
children d77cb5962cc5
rev   line source
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1 import c3
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2 import time, ppci, x86, ir
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3 import unittest
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4
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5 testsrc = """package test;
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6
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7 var u32 c, d;
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8 var double e;
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9 var int f;
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10
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11 const int A = 1337;
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12
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13 function void test1()
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14 {
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15 var u32 bdd;
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16 var int a = 10;
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17 bd = 20;
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18 var int buf;
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19 var int i;
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20 i = 2;
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21 var int zero = i - 2;
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22 if (i > 1)
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23 {
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24 buf = b + 22 * i - 13 + (55 * 2 *9-2) / 44 - 1;
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25 }
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26 else
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27 {
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28 ;;;
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29 }
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30
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31 t2(2, 3);
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32 }
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33
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34 function int t2(u32 a, u32 b)
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35 {
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36 if (a > 0)
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37 {
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38 a = 2 + t2(a - 1, 1.0);
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39 }
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40
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41 return a + b;
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42 }
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43
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44 function int t3(int aap, int blah)
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45 {
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46 if (a > blah and blah < 45 + 33 or 33 > aap or 6 and true)
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47 {
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48 a = 2 + t2(a - 1);
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49 }
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50
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51 return a + b;
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52 }
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53
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54 var int hahaa = 23 * 2;
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55
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56
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57 """
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58
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59 testsrc2 = """
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60 package test2;
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61
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62 function void tst()
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63 {
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64 var int a, b;
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65 a = 2 * 33 - 12;
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66 b = a * 2 + 13;
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67 a = b + a;
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68 if (a > b and b == 3)
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69 {
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70 var int x = a;
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71 x = b * 2 - a;
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72 a = x*x;
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73 }
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74 else
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75 {
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76 a = b + a;
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77 }
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78 }
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79
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80 """
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81
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82 def c3compile(src, diag):
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83 # Structures:
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84 builder = c3.Builder(diag)
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85 ir = builder.build(src)
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86 # optional optimize here
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87 x86gen = x86.X86CodeGenSimple(diag)
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88 ok = len(diag.diags) == 0
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89 if not ok:
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90 return
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91 print('generating x86 code')
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92 x86gen.genBin(ir)
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93 with open('dummydummy.asm', 'w') as f:
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94 f.write('bits 64\n')
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95 for a in x86gen.asm:
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96 print(a)
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97 f.write(str(a) + '\n')
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98
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99 def do():
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100 diag = ppci.DiagnosticsManager()
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101 c3compile(testsrc, diag)
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102
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103 class testLexer(unittest.TestCase):
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104 def testBlockComment(self):
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105 snippet = """
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106 /* Demo */
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107 var int x = 0;
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108 """
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109 toks = ['var', 'ID', 'ID', '=', 'NUMBER', ';', 'END']
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110 self.assertSequenceEqual([tok.typ for tok in c3.lexer.tokenize(snippet)], toks)
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111 def testBlockCommentMultiLine(self):
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112 snippet = """
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113 /* Demo
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114 bla1
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115 bla2
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116 */
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117 var int x = 0;
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118 """
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119 toks = ['var', 'ID', 'ID', '=', 'NUMBER', ';', 'END']
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120 self.assertSequenceEqual([tok.typ for tok in c3.lexer.tokenize(snippet)], toks)
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121
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122 class testBuilder(unittest.TestCase):
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123 def setUp(self):
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124 self.diag = ppci.DiagnosticsManager()
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125 self.builder = c3.Builder(self.diag)
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126 def testSrc(self):
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127 self.builder.build(testsrc)
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128 def testFunctArgs(self):
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129 snippet = """
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130 package testargs;
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131 function void t2(int a, double b)
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132 {
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133 t2(2, 2);
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134 t2(2);
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135 t2(1, 1.2);
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136 }
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137 """
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138 self.diag.clear()
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139 ir = self.builder.build(snippet)
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140 assert len(self.diag.diags) == 2
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141 assert self.diag.diags[0].loc.row == 5
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142 assert self.diag.diags[1].loc.row == 6
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143
167
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144 def testExpressions(self):
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145 snippet = """
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146 package test;
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147 function void t(int a, double b)
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148 {
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149 var int a2;
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150 var bool c;
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151
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152 a2 = b * a;
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153 c = a;
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154 c = b > 1;
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155 }
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156 """
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157 self.diag.clear()
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158 ircode = self.builder.build(snippet)
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159 self.assertEqual(len(self.diag.diags), 3)
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160 self.assertEqual(self.diag.diags[0].loc.row, 8)
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161 self.assertEqual(self.diag.diags[1].loc.row, 9)
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162 self.assertEqual(self.diag.diags[2].loc.row, 10)
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163 self.assertFalse(ircode)
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164 def testEmpty(self):
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165 snippet = """
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166 package A
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167 """
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168 ircode = self.builder.build(snippet)
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169 self.assertFalse(ircode)
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170 def testEmpty2(self):
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171 snippet = ""
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172 self.diag.clear()
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173 ircode = self.builder.build(snippet)
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174 self.assertFalse(ircode)
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175 def testRedefine(self):
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176 snippet = """
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177 package test;
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178 var int a;
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179 var int b;
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180 var int a;
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181 """
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182 self.diag.clear()
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183 ircode = self.builder.build(snippet)
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184 self.assertFalse(ircode)
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185 self.assertEqual(len(self.diag.diags), 1)
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186 self.assertEqual(self.diag.diags[0].loc.row, 5)
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187 def testWhile(self):
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188 snippet = """
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189 package tstwhile;
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190 var int a;
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191 function void t()
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192 {
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193 var int i = 0;
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194 while (i < 1054)
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195 {
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196 i = i + 3;
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197 a = a + i;
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198 }
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199 }
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200 """
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201 ircode = self.builder.build(snippet)
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202 if not ircode:
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203 self.diag.printErrors(snippet)
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204 self.assertTrue(ircode)
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205 def testIf(self):
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206 snippet = """
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207 package tstIFF;
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208 function void t(int b)
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209 {
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210 var int a;
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211 a = 2;
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212 if (a > b)
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213 {
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214 if (a > 1337)
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215 {
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216 b = 2;
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217 }
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218 }
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219 else
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220 {
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221 b = 1;
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222 }
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223
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224 return b;
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225 }
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226 """
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227 ircode = self.builder.build(snippet)
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228 if not ircode:
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229 self.diag.printErrors(snippet)
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230 self.assertTrue(ircode)
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231 def test2(self):
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232 # testsrc2 is valid code:
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233 self.diag.clear()
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234 ir = self.builder.build(testsrc2)
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235 self.assertTrue(ir)
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236
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237 if __name__ == '__main__':
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238 do()
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239 unittest.main()
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240
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241