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<?php |
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namespace VLF; |
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5
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class Translator |
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6
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{ |
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7
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public static function translate (AST $tree): string |
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{ |
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$code = "<?php\n\nnamespace VoidEngine;\n\n"; |
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$definedObjects = []; |
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11
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12
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foreach ($tree->getNodes () as $node) |
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$code .= self::translateNode ($node, null, $definedObjects) ."\n"; |
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15
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return $code; |
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} |
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protected static function translateNode (Node $node, Node $owner = null, array &$definedObjects = []): string |
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{ |
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$code = ''; |
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switch ($node->type) |
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{ |
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case RUNTIME_EXECUTION: |
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$code .= self::formatLine ($node->args['code'], $definedObjects) ."\n\n"; |
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break; |
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case OBJECT_DEFINITION: |
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if (isset ($definedObjects[$node->args['name']])) |
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break; |
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32
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33
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$code .= '$'. $node->args['name'] .' = new '. $node->args['class'] .' ('. implode (', ', self::processArgs ($node->args['args'], $definedObjects)) .');' ."\n". '$'. $node->args['name'] .'->name = \''. $node->args['name'] .'\';' ."\n"; |
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34
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35
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$definedObjects[$node->args['name']] = $node->args['name']; |
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37
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break; |
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38
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39
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case PROPERTY_SET: |
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$preset = ''; |
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41
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42
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if (preg_match ('/function \((.*)\) use \((.*)\)/', $node->args['property_value'])) |
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{ |
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$use = substr ($node->args['property_value'], strpos ($node->args['property_value'], 'use')); |
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45
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$use = $ouse = substr ($use, ($pos = strpos ($use, '(') + 1), strpos ($use, ')') - $pos); |
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46
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$use = explode (' ', $use); |
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47
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48
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foreach ($use as $id => $useParam) |
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if (isset ($definedObjects[$useParam]) && $use[$id + 1][0] == '$') |
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50
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{ |
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51
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$fname = $use[$id + 1]; |
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52
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53
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if (substr ($fname, strlen ($fname) - 1) == ',') |
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54
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$fname = substr ($fname, 0, -1); |
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55
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56
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$preset .= "$fname = $useParam; "; |
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57
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58
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unset ($use[$id]); |
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59
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} |
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60
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61
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$preset = self::formatLine ($preset, $definedObjects) ."\n"; |
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62
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63
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$node->args['property_value'] = self::formatLine (str_replace ($ouse, join (' ', $use), $node->args['property_value']), $definedObjects); |
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64
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} |
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65
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66
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$code .= $preset .'$'. $owner->args['name'] .'->'. $node->args['property_name'] .' = '. self::formatLine ($node->args['property_value'], $definedObjects) .';' ."\n"; |
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67
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68
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break; |
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69
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70
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case METHOD_CALL: |
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71
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$code .= '$'. $owner->args['name'] .'->'. $node->args['method_name'] .' ('. implode (', ', self::processArgs ($node->args['method_args'], $definedObjects)) .');' ."\n"; |
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72
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73
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break; |
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74
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} |
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75
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76
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foreach ($node->getNodes () as $subnode) |
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77
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$code .= self::translateNode ($subnode, $node, $definedObjects); |
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78
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79
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return $code; |
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80
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} |
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81
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82
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protected static function processArgs (array $args, array $definedObjects = []): array |
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83
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{ |
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84
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$newArgs = []; |
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85
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86
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foreach ($args as $arg) |
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87
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$newArgs[] = self::formatLine ($arg, $definedObjects); |
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88
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89
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return $newArgs; |
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90
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} |
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91
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92
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protected static function formatLine (string $line, array $objects = []): string |
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93
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{ |
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94
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if (sizeof ($objects) > 0) |
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95
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{ |
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96
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$len = strlen ($line); |
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97
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$newLine = ''; |
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98
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99
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$replacement = array_map (function ($object) |
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100
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{ |
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101
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return '$'. $object; |
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102
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}, $objects); |
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103
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104
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$replacement = array_map (function ($name) |
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105
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{ |
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106
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return strlen ($name = trim ($name)) + substr_count ($name, '_'); |
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107
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}, $omap = array_flip ($replacement)); |
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108
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109
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arsort ($replacement); |
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110
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111
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$nReplacement = []; |
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112
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113
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foreach ($replacement as $replaceTo => $nLn) |
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114
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$nReplacement[$omap[$replaceTo]] = $replaceTo; |
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115
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116
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$replacement = $nReplacement; |
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117
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$blacklist = array_flip (['\'', '"', '$']); |
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118
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119
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for ($i = 0; $i < $len; ++$i) |
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120
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{ |
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121
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$replaced = false; |
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122
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123
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foreach ($replacement as $name => $replaceAt) |
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124
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if (substr ($line, $i, ($l = strlen ($name))) == $name && !isset ($blacklist[$line[$i - 1]])) |
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125
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{ |
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126
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$newLine .= $replaceAt; |
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127
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128
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$i += $l - 1; |
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129
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$replaced = true; |
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130
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131
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break; |
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132
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} |
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133
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134
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if (!$replaced) |
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135
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$newLine .= $line[$i]; |
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136
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} |
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137
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138
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$line = $newLine; |
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139
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} |
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140
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141
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return $line; |
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142
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} |
|
143
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} |
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144
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winforms-php /
VoidFramework
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