From 2312fa845ef987a0219fe76e941a3a24e8576cbc Mon Sep 17 00:00:00 2001 From: bubnikv Date: Sun, 26 Nov 2017 10:54:54 +0100 Subject: [PATCH] Fixed compilation on GCC, changed to handle keywords correctly. --- xs/src/libslic3r/PlaceholderParser.cpp | 57 +++++++++++++++----------- 1 file changed, 34 insertions(+), 23 deletions(-) diff --git a/xs/src/libslic3r/PlaceholderParser.cpp b/xs/src/libslic3r/PlaceholderParser.cpp index c80994d0f..7b5469dc3 100644 --- a/xs/src/libslic3r/PlaceholderParser.cpp +++ b/xs/src/libslic3r/PlaceholderParser.cpp @@ -28,7 +28,7 @@ // BOOST_SPIRIT_NO_PREDEFINED_TERMINALS defined, you are // responsible in creating instances of the terminals that // you need (e.g. see qi::uint_type uint_ below). -#define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS +//#define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS #define BOOST_RESULT_OF_USE_DECLTYPE #define BOOST_SPIRIT_USE_PHOENIX_V3 @@ -42,6 +42,7 @@ #include #include #include +#include #include #include #include @@ -234,7 +235,7 @@ namespace client // Used for throwing parse exceptions. boost::iterator_range it_range; - expr unary_minus(Iterator &start_pos) const + expr unary_minus(const Iterator start_pos) const { switch (this->type) { case TYPE_INT : @@ -564,6 +565,13 @@ namespace client return os; } + // Disable parsing int numbers (without decimals) and Inf/NaN symbols by the double parser. + struct strict_real_policies_without_nan_inf : public qi::strict_real_policies + { + template static bool parse_nan(It&, It const&, Attr&) { return false; } + template static bool parse_inf(It&, It const&, Attr&) { return false; } + }; + /////////////////////////////////////////////////////////////////////////// // Our calculator grammar /////////////////////////////////////////////////////////////////////////// @@ -572,6 +580,7 @@ namespace client { calculator() : calculator::base_type(start) { + using namespace qi::labels; qi::alpha_type alpha; qi::alnum_type alnum; qi::eol_type eol; @@ -584,14 +593,14 @@ namespace client qi::skip_type skip; qi::no_skip_type no_skip; qi::uint_type uint_; - qi::real_parser> strict_double; + qi::real_parser strict_double; spirit::ascii::char_type char_; spirit::bool_type bool_; spirit::int_type int_; spirit::double_type double_; spirit::ascii::string_type string; spirit::repository::qi::iter_pos_type iter_pos; - using namespace qi::labels; + auto kw = spirit::repository::qi::distinct(qi::copy(alnum | '_')); qi::_val_type _val; qi::_1_type _1; @@ -611,8 +620,8 @@ namespace client // Allow back tracking after '{' in case of a text_block embedded inside a condition. // In that case the inner-most {else} wins and the {if}/{elsif}/{else} shall be paired. // {elsif}/{else} without an {if} will be allowed to back track from the embedded text_block. - | lit('{') >> macro(_r1) [_val+=_1] > '}' - | lit('[') > legacy_variable_expansion(_r1) [_val+=_1] > ']' + | (lit('{') >> macro(_r1) [_val+=_1] > '}') + | (lit('[') > legacy_variable_expansion(_r1) [_val+=_1] > ']') ); text_block.name("text_block"); @@ -624,8 +633,8 @@ namespace client // New style of macro expansion. // The macro expansion may contain numeric or string expressions, ifs and cases. macro = - string("if") > if_else_output(_r1) [_val = _1] - | string("switch") > switch_output(_r1) [_val = _1] + (kw["if"] > if_else_output(_r1) [_val = _1]) + | (kw["switch"] > switch_output(_r1) [_val = _1]) | expression(_r1) [ px::bind(&expr::to_string2, _1, _val) ]; macro.name("macro"); @@ -634,11 +643,11 @@ namespace client eps[_b=true] > bool_expr_eval(_r1)[_a=_1] > '}' > text_block(_r1)[px::bind(&expr::set_if, _a, _b, _1, _val)] > '{' > - *("elsif" > bool_expr_eval(_r1)[_a=_1] > '}' > + *(kw["elsif"] > bool_expr_eval(_r1)[_a=_1] > '}' > text_block(_r1)[px::bind(&expr::set_if, _a, _b, _1, _val)] > '{') > - -("else" > lit('}') > + -(kw["else"] > lit('}') > text_block(_r1)[px::bind(&expr::set_if, _b, _b, _1, _val)] > '{') > - "endif"; + kw["endif"]; if_else_output.name("if_else_output"); // A switch expression enclosed in {} (the outmost {} are already parsed by the caller). /* @@ -660,7 +669,7 @@ namespace client legacy_variable_expansion.name("legacy_variable_expansion"); identifier = - ! keywords >> + ! kw[keywords] >> raw[lexeme[(alpha | '_') >> *(alnum | '_')]]; identifier.name("identifier"); @@ -709,22 +718,22 @@ namespace client }; factor = iter_pos[px::bind(&FactorActions::set_start_pos, _1, _val)] >> ( scalar_variable_reference(_r1) [ _val = _1 ] - | (lit('(') > expression(_r1) > ')' > iter_pos) [ px::bind(&FactorActions::expr_, _1, _2, _val) ] - | (lit('-') > factor(_r1) ) [ px::bind(&FactorActions::minus_, _1, _val) ] - | (lit('+') > factor(_r1) > iter_pos) [ px::bind(&FactorActions::expr_, _1, _2, _val) ] - | (strict_double > iter_pos) [ px::bind(&FactorActions::double_, _1, _2, _val) ] - | (int_ > iter_pos) [ px::bind(&FactorActions::int_, _1, _2, _val) ] - | (bool_ > iter_pos) [ px::bind(&FactorActions::bool_, _1, _2, _val) ] - | raw[lexeme['"' > *(char_ - char_('\\') - char_('"') | '\\' > char_) > '"']] - [ px::bind(&FactorActions::string_, _1, _val) ] + | (lit('(') > expression(_r1) > ')' > iter_pos) [ px::bind(&FactorActions::expr_, _1, _2, _val) ] + | (lit('-') > factor(_r1) ) [ px::bind(&FactorActions::minus_, _1, _val) ] + | (lit('+') > factor(_r1) > iter_pos) [ px::bind(&FactorActions::expr_, _1, _2, _val) ] + | (strict_double > iter_pos) [ px::bind(&FactorActions::double_, _1, _2, _val) ] + | (int_ > iter_pos) [ px::bind(&FactorActions::int_, _1, _2, _val) ] + | (kw[bool_] > iter_pos) [ px::bind(&FactorActions::bool_, _1, _2, _val) ] + | raw[lexeme['"' > *(char_ - char_('\\') - char_('"') | ('\\' > char_)) > '"']] + [ px::bind(&FactorActions::string_, _1, _val) ] ); factor.name("factor"); scalar_variable_reference = variable_reference(_r1)[_a=_1] >> ( - '[' > expression(_r1)[px::bind(&MyContext::evaluate_index, _1, _b)] > ']' > - iter_pos[px::bind(&MyContext::vector_variable_reference, _r1, _a, _b, _1, _val)] + ('[' > expression(_r1)[px::bind(&MyContext::evaluate_index, _1, _b)] > ']' > + iter_pos[px::bind(&MyContext::vector_variable_reference, _r1, _a, _b, _1, _val)]) | eps[px::bind(&MyContext::scalar_variable_reference, _r1, _a, _val)] ); scalar_variable_reference.name("scalar variable reference"); @@ -748,7 +757,9 @@ namespace client //("inf") ("else") ("elsif") - ("endif"); + ("endif") + ("false") + ("true"); if (0) { debug(start);