From b52413dbb4d8333d5fe2a351780e20b04c4525a2 Mon Sep 17 00:00:00 2001 From: Kevin Chabowski Date: Tue, 14 Apr 2015 22:37:15 +0200 Subject: Trim whitespace --- src/ste/Transcompiler.php | 114 +++++++++++++++++++++++----------------------- 1 file changed, 57 insertions(+), 57 deletions(-) (limited to 'src/ste/Transcompiler.php') diff --git a/src/ste/Transcompiler.php b/src/ste/Transcompiler.php index 9961b15..2519406 100644 --- a/src/ste/Transcompiler.php +++ b/src/ste/Transcompiler.php @@ -11,7 +11,7 @@ namespace kch42\ste; */ class Transcompiler { private static $builtins = NULL; - + public static function tempvar($typ) { return $typ . '_' . str_replace('.', '_', uniqid('', true)); } @@ -20,7 +20,7 @@ class Transcompiler { if(self::$builtins !== NULL) { return; } - + self::$builtins = array( "if" => array("\\kch42\\ste\\Transcompiler", "builtin_if"), "cmp" => array("\\kch42\\ste\\Transcompiler", "builtin_cmp"), @@ -41,13 +41,13 @@ class Transcompiler { "calc" => array("\\kch42\\ste\\Transcompiler", "builtin_calc") ); } - + private static function builtin_if($ast) { $output = ""; $condition = array(); $then = NULL; $else = NULL; - + foreach($ast->sub as $node) { if(($node instanceof TagNode) and ($node->name == "then")) { $then = $node->sub; @@ -57,11 +57,11 @@ class Transcompiler { $condition[] = $node; } } - + if($then === NULL) { throw new ParseCompileError("self::Transcompile error: Missing in .", $ast->tpl, $ast->offset); } - + $output .= "\$outputstack[] = \"\";\n\$outputstack_i++;\n"; $output .= self::_transcompile($condition); $output .= "\$outputstack_i--;\nif(\$ste->evalbool(array_pop(\$outputstack)))\n{\n"; @@ -83,9 +83,9 @@ class Transcompiler { array('gt', '>'), array('gte', '>=') ); - + $code = ""; - + if(isset($ast->params["var_b"])) { list($val, $pre) = self::_transcompile($ast->params["var_b"], true); $code .= $pre; @@ -96,7 +96,7 @@ class Transcompiler { } else { throw new ParseCompileError("self::Transcompile error: neiter var_b nor text_b set in .", $ast->tpl, $ast->offset); } - + if(isset($ast->params["var_a"])) { list($val, $pre) = self::_transcompile($ast->params["var_a"], true); $code .= $pre; @@ -107,7 +107,7 @@ class Transcompiler { } else { throw new ParseCompileError("self::Transcompile error: neiter var_a nor text_a set in .", $ast->tpl, $ast->offset); } - + if(!isset($ast->params["op"])) { throw new ParseCompileError("self::Transcompile error: op not given in .", $ast->tpl, $ast->offset); } @@ -160,14 +160,14 @@ class Transcompiler { list($val, $pre) = self::_transcompile($ast->params["start"], true); $code .= $pre; $code .= "\$${loopname}_start = " . $val . ";\n"; - + if(empty($ast->params["stop"])) { throw new ParseCompileError("self::Transcompile error: Missing 'end' parameter in .", $ast->tpl, $ast->offset); } list($val, $pre) = self::_transcompile($ast->params["stop"], true); $code .= $pre; $code .= "\$${loopname}_stop = " . $val . ";\n"; - + $step = NULL; /* i.e. not known at compilation time */ if(empty($ast->params["step"])) { $step = 1; @@ -178,17 +178,17 @@ class Transcompiler { $code .= $pre; $code .= "\$${loopname}_step = " . $val . ";\n"; } - + if(!empty($ast->params["counter"])) { list($val, $pre) = self::_transcompile($ast->params["counter"], true); $code .= $pre; $code .= "\$${loopname}_countername = " . $val . ";\n"; } - + $loopbody = empty($ast->params["counter"]) ? "" : "\$ste->set_var_by_name(\$${loopname}_countername, \$${loopname}_counter);\n"; $loopbody .= self::_transcompile($ast->sub); $loopbody = self::indent_code("{\n" . self::loopbody(self::indent_code($loopbody)) . "\n}\n"); - + if($step === NULL) { $code .= "if(\$${loopname}_step == 0)\n\tthrow new \\kch42\\ste\\RuntimeError('step can not be 0 in .');\n"; $code .= "if(\$${loopname}_step > 0)\n{\n"; @@ -205,39 +205,39 @@ class Transcompiler { } else { $code .= "for(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter >= \$${loopname}_stop; \$${loopname}_counter += $step)\n$loopbody\n"; } - + return $code; } private static function builtin_foreach($ast) { $loopname = self::tempvar("foreachloop"); $code = ""; - + if(empty($ast->params["array"])) { throw new ParseCompileError("self::Transcompile Error: array not given in .", $ast->tpl, $ast->offset); } list($val, $pre) = self::_transcompile($ast->params["array"], true); $code .= $pre; $code .= "\$${loopname}_arrayvar = " . $val . ";\n"; - + if(empty($ast->params["value"])) { throw new ParseCompileError("self::Transcompile Error: value not given in .", $ast->tpl, $ast->offset); } list($val, $pre) = self::_transcompile($ast->params["value"], true); $code .= $pre; $code .= "\$${loopname}_valuevar = " . $val . ";\n"; - + if(!empty($ast->params["key"])) { list($val, $pre) = self::_transcompile($ast->params["key"], true); $code .= $pre; $code .= "\$${loopname}_keyvar = " . $val . ";\n"; } - + if(!empty($ast->params["counter"])) { list($val, $pre) = self::_transcompile($ast->params["counter"], true); $code .= $pre; $code .= "\$${loopname}_countervar = " . $val . ";\n"; } - + $loopbody = ""; $code .= "\$${loopname}_array = \$ste->get_var_by_name(\$${loopname}_arrayvar);\n"; $code .= "if(!is_array(\$${loopname}_array))\n\t\$${loopname}_array = array();\n"; @@ -245,7 +245,7 @@ class Transcompiler { $code .= "\$${loopname}_counter = -1;\n"; $loopbody .= "\$${loopname}_counter++;\n\$ste->set_var_by_name(\$${loopname}_countervar, \$${loopname}_counter);\n"; } - + $loop = array(); $else = array(); foreach($ast->sub as $node) { @@ -255,7 +255,7 @@ class Transcompiler { $loop[] = $node; } } - + $loopbody .= "\$ste->set_var_by_name(\$${loopname}_valuevar, \$${loopname}_value);\n"; if(!empty($ast->params["key"])) { $loopbody .= "\$ste->set_var_by_name(\$${loopname}_keyvar, \$${loopname}_key);\n"; @@ -263,14 +263,14 @@ class Transcompiler { $loopbody .= "\n"; $loopbody .= self::_transcompile($loop); $loopbody = "{\n" . self::loopbody(self::indent_code($loopbody)) . "\n}\n"; - + if(!empty($else)) { $code .= "if(empty(\$${loopname}_array))\n{\n"; $code .= self::indent_code(self::_transcompile($else)); $code .= "\n}\nelse "; } $code .= "foreach(\$${loopname}_array as \$${loopname}_key => \$${loopname}_value)\n$loopbody\n"; - + return $code; } private static function builtin_infloop($ast) { @@ -286,59 +286,59 @@ class Transcompiler { if(empty($ast->params["name"])) { throw new ParseCompileError("self::Transcompile Error: name missing in .", $ast->tpl, $ast->offset); } - + $blknamevar = self::tempvar("blockname"); - + list($val, $code) = self::_transcompile($ast->params["name"], true); $code .= "\$${blknamevar} = " . $val . ";\n"; - + $tmpblk = uniqid("", true); $code .= "\$ste->blocks['$tmpblk'] = array_pop(\$outputstack);\n\$ste->blockorder[] = '$tmpblk';\n\$outputstack = array('');\n\$outputstack_i = 0;\n"; - + $code .= self::_transcompile($ast->sub); - + $code .= "\$ste->blocks[\$${blknamevar}] = array_pop(\$outputstack);\n"; $code .= "if(array_search(\$${blknamevar}, \$ste->blockorder) === false)\n\t\$ste->blockorder[] = \$${blknamevar};\n\$outputstack = array('');\n\$outputstack_i = 0;\n"; - + return $code; } private static function builtin_load($ast) { if(empty($ast->params["name"])) { throw new ParseCompileError("self::Transcompile Error: name missing in .", $ast->tpl, $ast->offset); } - + list($val, $code) = self::_transcompile($ast->params["name"], true); $code .= "\$outputstack[\$outputstack_i] .= \$ste->load(" . $val . ");\n"; return $code; } private static function builtin_mktag($ast) { $code = ""; - + if(empty($ast->params["name"])) { throw new ParseCompileError("self::Transcompile Error: name missing in .", $ast->tpl, $ast->offset); } - + $fxbody = "\$outputstack = array(''); \$outputstack_i = 0;\$ste->set_local_var('_tag_parameters', \$params);\n"; - + list($tagname, $tagname_pre) = self::_transcompile($ast->params["name"], true); - + $usemandatory = ""; if(!empty($ast->params["mandatory"])) { $usemandatory = " use (\$mandatory_params)"; $code .= "\$outputstack[] = '';\n\$outputstack_i++;\n"; $code .= self::_transcompile($ast->params["mandatory"]); $code .= "\$outputstack_i--;\n\$mandatory_params = explode('|', array_pop(\$outputstack));\n"; - + $fxbody .= "foreach(\$mandatory_params as \$mp)\n{\n\tif(!isset(\$params[\$mp]))\n\t\tthrow new \\kch42\\ste\\RuntimeError(\"\$mp missing in .\");\n}"; } - + $fxbody .= self::_transcompile($ast->sub); $fxbody .= "return array_pop(\$outputstack);"; - + $code .= "\$tag_fx = \$ste->make_closure(function(\$ste, \$params, \$sub)" . $usemandatory . "\n{\n" . self::indent_code($fxbody) . "\n});\n"; $code .= $tagname_pre; $code .= "\$ste->register_tag($tagname, \$tag_fx);\n"; - + return $code; } private static function builtin_tagcontent($ast) { @@ -348,37 +348,37 @@ class Transcompiler { if(empty($ast->params["var"])) { throw new ParseCompileError("self::Transcompile Error: var missing in .", $ast->tpl, $ast->offset); } - + $code = "\$outputstack[] = '';\n\$outputstack_i++;\n"; $code .= self::_transcompile($ast->sub); $code .= "\$outputstack_i--;\n"; - + list($val, $pre) = self::_transcompile($ast->params["var"], true); $code .= $pre; $code .= "\$ste->set_var_by_name(" . $val . ", array_pop(\$outputstack));\n"; - + return $code; } private static function builtin_setlocal($ast) { if(empty($ast->params["var"])) { throw new ParseCompileError("self::Transcompile Error: var missing in .", $ast->tpl, $ast->offset); } - + $code = "\$outputstack[] = '';\n\$outputstack_i++;\n"; $code .= self::_transcompile($ast->sub); $code .= "\$outputstack_i--;\n"; - + list($val, $pre) = self::_transcompile($ast->params["var"], true); $code .= $pre; $code .= "\$ste->set_local_var(" . $val . ", array_pop(\$outputstack));\n"; - + return $code; } private static function builtin_get($ast) { if(empty($ast->params["var"])) { throw new ParseCompileError("self::Transcompile Error: var missing in .", $ast->tpl, $ast->offset); } - + list($val, $pre) = self::_transcompile($ast->params["var"], true); return "$pre\$outputstack[\$outputstack_i] .= \$ste->get_var_by_name(" . $val . ");"; } @@ -386,10 +386,10 @@ class Transcompiler { $code = "\$outputstack[] = '';\n\$outputstack_i++;\n"; $code .= self::_transcompile($ast->sub); $code .= "\$outputstack_i--;\n\$outputstack[\$outputstack_i] .= \$ste->calc(array_pop(\$outputstack));\n"; - + return $code; } - + private static function indent_code($code) { return implode( "\n", @@ -403,9 +403,9 @@ class Transcompiler { private static function _transcompile($ast, $avoid_outputstack = false, $in_args = false) { /* The real self::transcompile function, does not add boilerplate code. */ $code = ""; - + $text_and_var_buffer = array(); - + foreach($ast as $node) { if($node instanceof TextNode) { $text_and_var_buffer[] = '"' . Misc::escape_text($node->text) . '"'; @@ -425,34 +425,34 @@ class Transcompiler { } else { $paramarray = self::tempvar("parameters"); $code .= "\$$paramarray = array();\n"; - + foreach($node->params as $pname => $pcontent) { list($pval, $pre) = self::_transcompile($pcontent, true, true); $code .= $pre . "\$${paramarray}['" . Misc::escape_text($pname) . "'] = " . $pval . ";\n"; } - + $code .= "\$outputstack[\$outputstack_i] .= \$ste->call_tag('" . Misc::escape_text($node->name) . "', \$${paramarray}, "; $code .= empty($node->sub) ? "function(\$ste) { return ''; }" : ("\$ste->make_closure(" . self::transcompile($node->sub) . ")"); $code .= ");\n"; } } } - + if($avoid_outputstack && ($code == "")) { return array(implode (" . ", $text_and_var_buffer), ""); } - + if(!empty($text_and_var_buffer)) { $code .= "\$outputstack[\$outputstack_i] .= ". implode (" . ", $text_and_var_buffer) . ";\n"; } - + if($avoid_outputstack) { $tmpvar = self::tempvar("tmp"); $code = "\$outputstack[] = '';\n\$outputstack_i++;" . $code; $code .= "\$$tmpvar = array_pop(\$outputstack);\n\$outputstack_i--;\n"; return array("\$$tmpvar", $code); } - + return $code; } -- cgit v1.2.3-54-g00ecf