+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
+*/
+
+/* GNU Affero General Public License, Version 3 {{{ */
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+/* XXX: supposedly I will be screwed on very very long multi-line comments and need to replace these with a manual lexer. http://websrv.cs.fsu.edu/~engelen/courses/COP5621/Pr2.pdf */
+
%{
-// XXX: supposedly I will be screwed on very very long multi-line comments and need to replace these with a manual lexer. http://websrv.cs.fsu.edu/~engelen/courses/COP5621/Pr2.pdf
-#define YYLTYPE cy::location
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
+#pragma clang diagnostic ignored "-Wdeprecated-register"
+#endif
+
+#define YYLTYPE CYLocation
#include "Cycript.tab.hh"
typedef cy::parser::token tk;
+#include "Highlight.hpp"
+
#define YY_EXTRA_TYPE CYDriver *
+// do /not/ fold token to the return: this is a macro and the ordering is dependent
+#define F(value, highlight) do { \
+ int token(value); \
+@begin ObjectiveC
+ yyextra->no_.AtImplementation = false; \
+@end
+ yyextra->no_.Function = false; \
+ yyextra->no_.OpenBrace = false; \
+ yylval->highlight_ = highlight; \
+ return token; \
+} while (false)
+
+#define A new($pool)
+#define Y $pool.strmemdup(yytext, yyleng)
+
+#define I(type, Type, value, highlight) do { \
+ yylval->type ## _ = A CY ## Type; \
+ F(value, highlight); \
+} while (false)
+
#define T yylval->newline_ = yyextra->state_ == CYNewLine; BEGIN(Div);
#define C T yyextra->state_ = CYClear;
#define R T yyextra->state_ = CYRestricted;
-#define E(prefix) L C { \
- char *value(reinterpret_cast<char *>(apr_palloc(yyextra->pool_, yyleng + sizeof(prefix)))); \
- memcpy(value, prefix, sizeof(prefix) - 1); \
- memcpy(value + sizeof(prefix) - 1, yytext, yyleng); \
- value[yyleng + sizeof(prefix) - 1] = '\0'; \
- yylval->literal_ = new(yyextra->pool_) CYRegEx(value); \
- return tk::RegularExpressionLiteral; \
-}
-
#define N \
if (yyextra->state_ != CYNewLine) { \
- bool restricted(yyextra->state_ == CYRestricted); \
- if (restricted) { \
- yyextra->state_ = CYClear; \
- return tk::NewLine; \
- } else \
+ if (yyextra->state_ != CYRestricted) \
yyextra->state_ = CYNewLine; \
+ else { \
+ yyextra->state_ = CYClear; \
+ F(tk::NewLine, hi::Nothing); \
+ } \
}
-#define M { \
+#define V(more) { \
if (const char *nl = reinterpret_cast<const char *>(memchr(yytext, '\n', yyleng))) { \
unsigned lines(0); \
size_t left; \
left = yyleng - (nl - yytext) - 1; \
nl = reinterpret_cast<const char *>(memchr(nl + 1, '\n', left)); \
} while (nl != NULL); \
+ yylloc->step(); \
yylloc->end.lines(lines); \
yylloc->end.columns(left); \
- yylloc->step(); \
- N \
+ more \
} else L \
}
#define L { \
yylloc->step(); \
- yylloc->columns(yyleng); \
+ yylloc->end.columns(yyleng); \
+}
+
+#define M { \
+ if (yyextra->commented_) { \
+ I(comment, Comment(Y), tk::Comment, hi::Comment); \
+ } \
+}
+
+#define E(message) { \
+ CYDriver::Error error; \
+ error.location_ = *yylloc; \
+ error.message_ = "syntax error, " message; \
+ yyextra->errors_.push_back(error); \
+ yyterminate(); \
}
int H(char c) {
return -1;
}
+static void U(char *&local, unsigned point) {
+ if (false) {
+ } else if (point < 0x000080) {
+ *local++ = point;
+ } else if (point < 0x000800) {
+ *local++ = 0xc0 | point >> 0x06 & 0x1f;
+ goto one;
+ } else if (point < 0x010000) {
+ *local++ = 0xe0 | point >> 0x0c & 0x0f;
+ goto two;
+ } else if (point < 0x110000) {
+ *local++ = 0xf0 | point >> 0x12 & 0x07;
+ *local++ = 0x80 | point >> 0x0c & 0x3f;
+ two:
+ *local++ = 0x80 | point >> 0x06 & 0x3f;
+ one:
+ *local++ = 0x80 | point >> 0x00 & 0x3f;
+ } else _assert(false);
+}
+
+static void U(char *&local, const char *text, yy_size_t &i) {
+ unsigned point;
+
+ char next(text[++i]);
+ if (next != '{') {
+ point = H(text[i + 0]) << 12 | H(text[i + 1]) << 8 | H(text[i + 2]) << 4 | H(text[i + 3]);
+ i += 3;
+ } else {
+ point = 0;
+ for (;;) {
+ next = text[++i];
+ if (next == '}')
+ break;
+ point = (point << 4) | H(next);
+ }
+ }
+
+ U(local, point);
+}
+
#define YY_INPUT(data, value, size) { \
- if (yyextra->file_ != NULL) { \
- size_t copy(fread(data, 1, size, yyextra->file_)); \
- value = copy == 0 ? YY_NULL : copy; \
- } else if (yyextra->size_ == 0) \
+ if (yyextra->data_.eof()) \
value = YY_NULL; \
else { \
- size_t copy(std::min(size, yyextra->size_)); \
- memcpy(data, yyextra->data_, copy); \
- yyextra->data_ += copy; \
- yyextra->size_ -= copy; \
- value = copy; \
+ yyextra->data_.read(data, size); \
+ size_t copy(yyextra->data_.gcount()); \
+ value = copy == 0 ? YY_NULL : copy; \
} \
}
%option prefix="cy"
%option bison-bridge
%option bison-locations
+%option nodefault
%option noyywrap
-%option yylineno
+%option noyylineno
%option nounput
-%option interactive
+%option nounistd
+%option 8bit
+%option backup
+%option batch
+%option never-interactive
+%option pointer
%option reentrant
+%option stack
+
+%option full
+%option ecs
+
+U1 [\x00-\x7f]
+U0 [\x80-\xbf]
+U2 [\xc2-\xdf]
+U3 [\xe0-\xef]
+U4 [\xf0-\xf4]
+
+HexDigit [0-9a-fA-F]
+LineTerminatorSequence \r?\n|\r|\xe2\x80[\xa8\xa9]
+WhiteSpace [\x09\x0b\x0c\x20]|\xc2\xa0|\xef\xbb\xbf
+UnicodeEscape \\u({HexDigit}{4}|\{{HexDigit}+\})
+
+OctalEscape \\[1-7]|\\[4-7][0-7]|\\[0-3][0-7][0-7]?
+StringEscape \\['"\\bfnrtv]|\\0|{OctalEscape}|\\x{HexDigit}{2}|{UnicodeEscape}
+StringExtra {StringEscape}|\\{LineTerminatorSequence}
+SingleString ([^'\\\n]|{StringExtra})*
+DoubleString ([^"\\\n]|{StringExtra})*
+StringPrefix '{SingleString}|\"{DoubleString}
-Exponent [eE][+-]?[0-9]+
-Escape \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n
+@include UnicodeIDStart.l
+@include UnicodeIDContinue.l
-IdentifierStart [a-zA-Z$_]
-IdentifierPart [a-zA-Z$_0-9]
+IdentifierMore [$_]
+
+UnicodeStart {IdentifierMore}|{UnicodeIDStart}
+UnicodePart {IdentifierMore}|\xe2\x80[\x8c\x8d]|{UnicodeIDContinue}
+UnicodeFail {U2}|{U3}|{U3}{U0}|{U4}|{U4}{U0}|{U4}{U0}{U0}
+UnicodeScrap {UnicodePart}*{UnicodeFail}?
+
+IdentifierStart {UnicodeStart}|{UnicodeEscape}
+IdentifierPart {UnicodePart}|{UnicodeEscape}
+IdentifierFail {UnicodeFail}|\\(u({HexDigit}{0,3}|\{{HexDigit}*))?
+IdentifierScrap {IdentifierPart}*{IdentifierFail}?
NonTerminator [^\n]
BackslashSequence \\{NonTerminator}
RegularExpressionFirstChar [^\n*\\/]|{BackslashSequence}
RegularExpressionChar [^\n\\/]|{BackslashSequence}
-RegularExpressionFlags {IdentifierPart}*
+RegularExpressionFlags {UnicodePart}*
RegularExpressionChars {RegularExpressionChar}*
RegularExpressionBody {RegularExpressionFirstChar}{RegularExpressionChars}
+@begin E4X
+XMLNameStart [a-zA-Z_:]
+XMLNamePart [a-zA-Z0-9.-_:]
+XMLName {XMLNameStart}{XMLNamePart}*
+@end
+
%s Div
%s RegExp
+@begin E4X
+%x XMLContent
+%x XMLTag
+@end
+
%%
-<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} E("")
+<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant);
+<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags}{UnicodeFail} L E("invalid flags")
+<RegExp>\/{RegularExpressionBody}?\\? L E("unterminated regex")
+
+#![^\n]* L M
+
+\/\/[^\n]* L M
+
+ /* http://ostermiller.org/findcomment.html */
+ /* XXX: unify these two rules using !? */
+\/\*!([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V() C I(comment, Comment(Y), tk::Comment, hi::Comment);
+\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V(N) M
+\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\** V() E("invalid comment")
+
+@begin E4X
+<RegExp>"<>" L F(tk::LeftRight, hi::Structure);
+<XMLContent>"</>" L F(tk::LeftSlashRight, hi::Structure);
+
+<RegExp,XMLContent>\<!\[CDATA\[(\n|[^[]|\[[^[]|\[\[[^>])*]]> V() F(tk::XMLCDATA, hi::Constant);
+<RegExp,XMLContent>\<!--(\n|[^-]|-[^-])*--> V() F(tk::XMLComment, hi::Comment);
+<RegExp,XMLContent>\<?(\n|[^?]|\?[^>])*?> V() F(tk::XMLPI, hi::Meta);
-\/\/[^\n]* L
-\/\*(\n|[^\*]|\*[^/])*\*\/ M
+<XMLTag>"=" L F(tk::Equal, hi::Structure);
+<XMLTag>">" L F(tk::Right, hi::Structure);
+<XMLTag>"/>" L F(tk::SlashRight, hi::Structure);
+<XMLTag>"{" L F(tk::OpenBrace, hi::Structure);
+
+<XMLTag>\"(\n|[^"])*\"|'(\n|[^'])*' V() F(tk::XMLAttributeValue, hi::Constant);
+<XMLTag>{XMLName} L F(tk::XMLName, hi::Identifier);
+<XMLTag>[ \t\r\n] V() F(tk::XMLWhitespace, hi::Nothing);
+
+<XMLContent>"{" L F(tk::OpenBrace, hi::Structure);
+<XMLContent>"<" L F(tk::Left, hi::Structure);
+<XMLContent>"</" L F(tk::LeftSlash, hi::Structure);
+@end
+
+"..." L C F(tk::PeriodPeriodPeriod, hi::Meta);
+".." L E("invalid operator")
@begin E4X
-<RegExp>\<!--(\n|[^-]|-[^-])*-->
-<RegExp>\<!\[CDATA\[(\n|[^[]|\[[^[]|\[\[[^>])*]]>
-<RegExp>\<?(\n|[^?]|\?[^>])*?>
-
-"@" L C return tk::At;
-"::" L C return tk::ColonColon;
-"<>" L C return tk::LeftRight;
-"</>" L C return tk::LeftSlashRight;
-".." L C return tk::PeriodPeriod;
-"/>" L C return tk::SlashRight;
+"::" L C F(tk::ColonColon, hi::Operator);
+".." L C F(tk::PeriodPeriod, hi::Operator);
@end
-"&" L C return tk::Ampersand;
-"&&" L C return tk::AmpersandAmpersand;
-"&=" L C return tk::AmpersandEqual;
-"^" L C return tk::Carrot;
-"^=" L C return tk::CarrotEqual;
-"=" L C return tk::Equal;
-"==" L C return tk::EqualEqual;
-"===" L C return tk::EqualEqualEqual;
-"!" L C return tk::Exclamation;
-"!=" L C return tk::ExclamationEqual;
-"!==" L C return tk::ExclamationEqualEqual;
-"-" L C return tk::Hyphen;
-"-=" L C return tk::HyphenEqual;
-"--" L C return yylval->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen;
-"->" L C return tk::HyphenRight;
-"<" L C return tk::Left;
-"<=" L C return tk::LeftEqual;
-"<<" L C return tk::LeftLeft;
-"<<=" L C return tk::LeftLeftEqual;
-"%" L C return tk::Percent;
-"%=" L C return tk::PercentEqual;
-"." L C return tk::Period;
-"|" L C return tk::Pipe;
-"|=" L C return tk::PipeEqual;
-"||" L C return tk::PipePipe;
-"+" L C return tk::Plus;
-"+=" L C return tk::PlusEqual;
-"++" L C return yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus;
-">" L C return tk::Right;
-">=" L C return tk::RightEqual;
-">>" L C return tk::RightRight;
-">>=" L C return tk::RightRightEqual;
-">>>" L C return tk::RightRightRight;
-">>>=" L C return tk::RightRightRightEqual;
-"*" L C return tk::Star;
-"*=" L C return tk::StarEqual;
-"~" L C return tk::Tilde;
-
-<Div>"/" L C return tk::Slash;
-<Div>"/=" L C return tk::SlashEqual;
-
-":" L C return tk::Colon;
-"," L C return tk::Comma;
-"?" L C return tk::Question;
-";" L C return tk::SemiColon;
-
-"(" L C return tk::OpenParen;
-")" L C return tk::CloseParen;
-
-"{" L C return tk::OpenBrace;
-"}" L C return tk::CloseBrace;
-
-"[" L C return tk::OpenBracket;
-"]" L C return tk::CloseBracket;
+@begin E4X ObjectiveC
+"@" L C F(tk::At, hi::Operator);
+"#" L C F(tk::Pound, hi::Operator);
+@end
+
+"&" L C F(tk::Ampersand, hi::Operator);
+"&&" L C F(tk::AmpersandAmpersand, hi::Operator);
+"&=" L C F(tk::AmpersandEqual, hi::Operator);
+"^" L C F(tk::Carrot, hi::Operator);
+"^=" L C F(tk::CarrotEqual, hi::Operator);
+"=" L C F(tk::Equal, hi::Operator);
+"==" L C F(tk::EqualEqual, hi::Operator);
+"===" L C F(tk::EqualEqualEqual, hi::Operator);
+"=>" L C F(yylval->newline_ ? tk::EqualRight_ : tk::EqualRight, hi::Operator);
+"!" L C F(tk::Exclamation, hi::Operator);
+"!=" L C F(tk::ExclamationEqual, hi::Operator);
+"!==" L C F(tk::ExclamationEqualEqual, hi::Operator);
+"-" L C F(tk::Hyphen, hi::Operator);
+"-=" L C F(tk::HyphenEqual, hi::Operator);
+"--" L C F(yylval->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen, hi::Operator);
+"->" L C F(tk::HyphenRight, hi::Operator);
+"<" L C F(tk::Left, hi::Operator);
+"<=" L C F(tk::LeftEqual, hi::Operator);
+"<<" L C F(tk::LeftLeft, hi::Operator);
+"<<=" L C F(tk::LeftLeftEqual, hi::Operator);
+"%" L C F(tk::Percent, hi::Operator);
+"%=" L C F(tk::PercentEqual, hi::Operator);
+"." L C F(tk::Period, hi::Operator);
+"|" L C F(tk::Pipe, hi::Operator);
+"|=" L C F(tk::PipeEqual, hi::Operator);
+"||" L C F(tk::PipePipe, hi::Operator);
+"+" L C F(tk::Plus, hi::Operator);
+"+=" L C F(tk::PlusEqual, hi::Operator);
+"++" L C F(yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus, hi::Operator);
+">" L C F(tk::Right, hi::Operator);
+">=" L C F(tk::RightEqual, hi::Operator);
+">>" L C F(tk::RightRight, hi::Operator);
+">>=" L C F(tk::RightRightEqual, hi::Operator);
+">>>" L C F(tk::RightRightRight, hi::Operator);
+">>>=" L C F(tk::RightRightRightEqual, hi::Operator);
+"*" L C F(tk::Star, hi::Operator);
+"*=" L C F(tk::StarEqual, hi::Operator);
+"~" L C F(tk::Tilde, hi::Operator);
+
+<Div>"/" L C F(tk::Slash, hi::Operator);
+<Div>"/=" L C F(tk::SlashEqual, hi::Operator);
+
+":" L C F(tk::Colon, hi::Structure);
+"," L C F(tk::Comma, hi::Structure);
+"?" L C F(tk::Question, hi::Structure);
+";" L C F(tk::SemiColon, hi::Structure);
+
+"(" L C F(tk::OpenParen, hi::Structure);
+")" L C F(tk::CloseParen, hi::Structure);
+
+"{" L C F(yyextra->no_.OpenBrace ? tk::OpenBrace__ : yylval->newline_ ? tk::OpenBrace_ : tk::OpenBrace, hi::Structure);
+"}" L C F(tk::CloseBrace, hi::Structure);
+
+"[" L C F(tk::OpenBracket, hi::Structure);
+"]" L C F(tk::CloseBracket, hi::Structure);
+
+"@error" L C F(tk::AtError, hi::Error);
+
+@begin Java
+"@class" L C F(tk::AtClass, hi::Meta);
+@end
+
+@begin C
+"typedef" L C I(identifier, Identifier("typedef"), tk::Typedef, hi::Meta);
+"unsigned" L C I(identifier, Identifier("unsigned"), tk::Unsigned, hi::Type);
+"signed" L C I(identifier, Identifier("signed"), tk::Signed, hi::Type);
+"extern" L C I(identifier, Identifier("extern"), tk::Extern, hi::Type);
+@end
+
+@begin C
+"@encode" L C F(tk::AtEncode, hi::Meta);
+@end
@begin ObjectiveC
-"@class" L C return tk::AtClass;
-"@end" L C return tk::AtEnd;
-"@selector" L C return tk::AtSelector;
+"@end" L C F(tk::AtEnd, hi::Meta);
+"@implementation" L C F(yyextra->no_.AtImplementation ? tk::AtImplementation_ : tk::AtImplementation, hi::Meta);
+"@import" L C F(tk::AtImport, hi::Special);
+"@selector" L C F(tk::AtSelector, hi::Meta);
+
+"@null" L C F(tk::AtNull, hi::Constant);
+"@YES" L C F(tk::AtYes, hi::Constant);
+"@NO" L C F(tk::AtNo, hi::Constant);
+"@true" L C F(tk::AtTrue, hi::Constant);
+"@false" L C F(tk::AtFalse, hi::Constant);
+
+"NULL" L C I(identifier, Identifier("NULL"), tk::Identifier_, hi::Constant);
+"nil" L C I(identifier, Identifier("nil"), tk::Identifier_, hi::Constant);
+"YES" L C I(identifier, Identifier("YES"), tk::Yes, hi::Constant);
+"NO" L C I(identifier, Identifier("NO"), tk::No, hi::Constant);
+
+"bool" L C I(identifier, Identifier("bool"), tk::Identifier_, hi::Type);
+"BOOL" L C I(identifier, Identifier("BOOL"), tk::Identifier_, hi::Type);
+"id" L C I(identifier, Identifier("id"), tk::Identifier_, hi::Type);
+"SEL" L C I(identifier, Identifier("SEL"), tk::Identifier_, hi::Type);
+@end
+
+"undefined" L C I(identifier, Identifier("undefined"), tk::Identifier_, hi::Operator);
+
+"false" L C I(false, False(), tk::False, hi::Constant);
+"null" L C I(null, Null(), tk::Null, hi::Constant);
+"true" L C I(true, True(), tk::True, hi::Constant);
+
+"auto" L C I(word, Word("auto"), tk::Auto, hi::Meta);
+"break" L R I(word, Word("break"), tk::Break, hi::Control);
+"case" L C I(word, Word("case"), tk::Case, hi::Control);
+"catch" L C I(word, Word("catch"), tk::Catch, hi::Control);
+"continue" L R I(word, Word("continue"), tk::Continue, hi::Control);
+"default" L C I(word, Word("default"), tk::Default, hi::Control);
+"delete" L C I(word, Word("delete"), tk::Delete, hi::Operator);
+"do" L C I(word, Word("do"), tk::Do, hi::Control);
+"else" L C I(word, Word("else"), tk::Else, hi::Control);
+"finally" L C I(word, Word("finally"), tk::Finally, hi::Control);
+"for" L C I(word, Word("for"), tk::For, hi::Control);
+"function" L C I(word, Word("function"), yyextra->no_.Function ? tk::Function_ : tk::Function, hi::Meta);
+"if" L C I(word, Word("if"), tk::If, hi::Control);
+"in" L C I(word, Word("in"), yyextra->in_.top() ? tk::In_ : tk::In, hi::Operator);
+"instanceof" L C I(word, Word("instanceof"), tk::InstanceOf, hi::Operator);
+"new" L C I(word, Word("new"), tk::New, hi::Operator);
+"return" L R I(word, Word("return"), tk::Return, hi::Control);
+"switch" L C I(word, Word("switch"), tk::Switch, hi::Control);
+"this" L C I(this, This(), tk::This, hi::Constant);
+"throw" L R I(word, Word("throw"), tk::Throw, hi::Control);
+"try" L C I(word, Word("try"), tk::Try, hi::Control);
+"typeof" L C I(word, Word("typeof"), tk::TypeOf, hi::Operator);
+"var" L C I(word, Word("var"), tk::Var, hi::Meta);
+"void" L C I(word, Word("void"), tk::Void, hi::Operator);
+"while" L C I(word, Word("while"), tk::While, hi::Control);
+"with" L C I(word, Word("with"), tk::With, hi::Control);
+
+"debugger" L C I(word, Word("debugger"), tk::Debugger, hi::Meta);
+
+"const" L C I(word, Word("const"), tk::Const, hi::Meta);
+
+"class" L C I(word, Word("class"), tk::Class, hi::Meta);
+"enum" L C I(word, Word("enum"), tk::Enum, hi::Meta);
+"export" L C I(word, Word("export"), tk::Export, hi::Meta);
+"extends" L C I(word, Word("extends"), tk::Extends, hi::Meta);
+"import" L C I(word, Word("import"), tk::Import, hi::Meta);
+"super" L C I(word, Word("super"), tk::Super, hi::Constant);
+
+"implements" L C I(identifier, Identifier("implements"), tk::Implements, hi::Meta);
+"interface" L C I(identifier, Identifier("interface"), tk::Interface, hi::Meta);
+"package" L C I(identifier, Identifier("package"), tk::Package, hi::Meta);
+"private" L C I(identifier, Identifier("private"), tk::Private, hi::Meta);
+"protected" L C I(identifier, Identifier("protected"), tk::Protected, hi::Meta);
+"public" L C I(identifier, Identifier("public"), tk::Public, hi::Meta);
+"static" L C I(identifier, Identifier("static"), tk::Static, hi::Meta);
+
+"abstract" L C I(identifier, Identifier("abstract"), tk::Abstract, hi::Meta);
+"boolean" L C I(identifier, Identifier("boolean"), tk::Boolean, hi::Type);
+"byte" L C I(identifier, Identifier("byte"), tk::Byte, hi::Type);
+"char" L C I(identifier, Identifier("char"), tk::Char, hi::Type);
+"double" L C I(identifier, Identifier("double"), tk::Double, hi::Type);
+"final" L C I(identifier, Identifier("final"), tk::Final, hi::Meta);
+"float" L C I(identifier, Identifier("float"), tk::Float, hi::Type);
+"goto" L C I(identifier, Identifier("goto"), tk::Goto, hi::Control);
+"int" L C I(identifier, Identifier("int"), tk::Int, hi::Type);
+"long" L C I(identifier, Identifier("long"), tk::Long, hi::Type);
+"native" L C I(identifier, Identifier("native"), tk::Native, hi::Meta);
+"short" L C I(identifier, Identifier("short"), tk::Short, hi::Type);
+"synchronized" L C I(identifier, Identifier("synchronized"), tk::Synchronized, hi::Meta);
+"throws" L C I(identifier, Identifier("throws"), tk::Throws, hi::Meta);
+"transient" L C I(identifier, Identifier("transient"), tk::Transient, hi::Meta);
+"volatile" L C I(identifier, Identifier("volatile"), tk::Volatile, hi::Meta);
+
+"let" L C I(identifier, Identifier("let"), tk::Let, hi::Meta);
+"yield" L R I(identifier, Identifier("yield"), tk::Yield, hi::Control);
+
+"each" L C I(identifier, Identifier("each"), tk::Each, hi::Control);
+"of" L C I(identifier, Identifier("of"), tk::Of, hi::Operator);
+
+@begin E4X
+"namespace" L C I(identifier, Identifier("namespace"), tk::Namespace, hi::Meta);
+"xml" L C I(identifier, Identifier("xml"), tk::XML, hi::Meta);
@end
-"false" L C yylval->false_ = new(yyextra->pool_) CYFalse(); return tk::False;
-"null" L C yylval->null_ = new(yyextra->pool_) CYNull(); return tk::Null;
-"true" L C yylval->true_ = new(yyextra->pool_) CYTrue(); return tk::True;
-
-"break" L R yylval->word_ = new(yyextra->pool_) CYWord("break"); return tk::Break;
-"case" L C yylval->word_ = new(yyextra->pool_) CYWord("case"); return tk::Case;
-"catch" L C yylval->word_ = new(yyextra->pool_) CYWord("catch"); return tk::Catch;
-"continue" L R yylval->word_ = new(yyextra->pool_) CYWord("continue"); return tk::Continue;
-"default" L C yylval->word_ = new(yyextra->pool_) CYWord("default"); return tk::Default;
-"delete" L C yylval->word_ = new(yyextra->pool_) CYWord("delete"); return tk::Delete;
-"do" L C yylval->word_ = new(yyextra->pool_) CYWord("do"); return tk::Do;
-"else" L C yylval->word_ = new(yyextra->pool_) CYWord("else"); return tk::Else;
-"finally" L C yylval->word_ = new(yyextra->pool_) CYWord("finally"); return tk::Finally;
-"for" L C yylval->word_ = new(yyextra->pool_) CYWord("for"); return tk::For;
-"function" L C yylval->word_ = new(yyextra->pool_) CYWord("function"); return tk::Function;
-"if" L C yylval->word_ = new(yyextra->pool_) CYWord("if"); return tk::If;
-"in" L C yylval->word_ = new(yyextra->pool_) CYWord("in"); return tk::In;
-"instanceof" L C yylval->word_ = new(yyextra->pool_) CYWord("instanceof"); return tk::InstanceOf;
-"new" L C yylval->word_ = new(yyextra->pool_) CYWord("new"); return tk::New;
-"return" L R yylval->word_ = new(yyextra->pool_) CYWord("return"); return tk::Return;
-"switch" L C yylval->word_ = new(yyextra->pool_) CYWord("switch"); return tk::Switch;
-"this" L C yylval->this_ = new(yyextra->pool_) CYThis(); return tk::This;
-"throw" L R yylval->word_ = new(yyextra->pool_) CYWord("throw"); return tk::Throw;
-"try" L C yylval->word_ = new(yyextra->pool_) CYWord("try"); return tk::Try;
-"typeof" L C yylval->word_ = new(yyextra->pool_) CYWord("typeof"); return tk::TypeOf;
-"var" L C yylval->word_ = new(yyextra->pool_) CYWord("var"); return tk::Var;
-"void" L C yylval->word_ = new(yyextra->pool_) CYWord("void"); return tk::Void;
-"while" L C yylval->word_ = new(yyextra->pool_) CYWord("while"); return tk::While;
-"with" L C yylval->word_ = new(yyextra->pool_) CYWord("with"); return tk::With;
-
-"debugger" L C yylval->word_ = new(yyextra->pool_) CYWord("debugger"); return tk::Debugger;
-
-"const" L C yylval->word_ = new(yyextra->pool_) CYWord("const"); return tk::Const;
-
-"class" L C yylval->word_ = new(yyextra->pool_) CYWord("class"); return tk::Class;
-"enum" L C yylval->word_ = new(yyextra->pool_) CYWord("enum"); return tk::Enum;
-"export" L C yylval->word_ = new(yyextra->pool_) CYWord("export"); return tk::Export;
-"extends" L C yylval->word_ = new(yyextra->pool_) CYWord("extends"); return tk::Extends;
-"import" L C yylval->word_ = new(yyextra->pool_) CYWord("import"); return tk::Import;
-"super" L C yylval->word_ = new(yyextra->pool_) CYWord("super"); return tk::Super;
-
-"implements" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("implements"); return tk::Implements;
-"interface" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("interface"); return tk::Interface;
-"package" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("package"); return tk::Package;
-"private" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("private"); return tk::Private;
-"protected" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("protected"); return tk::Protected;
-"public" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("public"); return tk::Public;
-"static" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("static"); return tk::Static;
-
-"abstract" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("abstract"); return tk::Abstract;
-"boolean" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("boolean"); return tk::Boolean;
-"byte" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("byte"); return tk::Byte;
-"char" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("char"); return tk::Char;
-"double" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("double"); return tk::Double;
-"final" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("final"); return tk::Final;
-"float" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("float"); return tk::Float;
-"goto" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("goto"); return tk::Goto;
-"int" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("int"); return tk::Int;
-"long" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("long"); return tk::Long;
-"native" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("native"); return tk::Native;
-"short" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("short"); return tk::Short;
-"synchronized" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("synchronized"); return tk::Synchronized;
-"throws" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("throws"); return tk::Throws;
-"transient" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("transient"); return tk::Transient;
-"volatile" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("volatile"); return tk::Volatile;
-
-"let" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("let"); return tk::Let;
-"yield" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("yield"); return tk::Yield;
-
-"each" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("each"); return tk::Each;
-
-{IdentifierStart}{IdentifierPart}* L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier(apr_pstrmemdup(yyextra->pool_, yytext, yyleng)); return tk::Identifier_;
-
-(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? L C yylval->number_ = new(yyextra->pool_) CYNumber(strtod(yytext, NULL)); return tk::NumericLiteral;
-
-0[xX][0-9a-fA-F]+ L C yylval->number_ = new(yyextra->pool_) CYNumber(strtoull(yytext + 2, NULL, 16)); return tk::NumericLiteral;
-
-0[bB][0-1]+ L C yylval->number_ = new(yyextra->pool_) CYNumber(strtoull(yytext + 2, NULL, 2)); return tk::NumericLiteral;
-
-\"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C {
- char *value(reinterpret_cast<char *>(apr_palloc(yyextra->pool_, yyleng)));
+{UnicodeStart}{UnicodePart}* L C I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier);
+
+{IdentifierStart}{IdentifierPart}* L C {
+ char *value(A char[yyleng + 1]);
char *local(value);
- for (int i(1); i != yyleng - 1; ++i) {
+ for (yy_size_t i(0), e(yyleng); i != e; ++i) {
+ char next(yytext[i]);
+ if (next != '\\')
+ *local++ = next;
+ else
+ U(local, yytext, ++i);
+ }
+
+ *local = '\0';
+ I(identifier, Identifier(value), tk::Identifier_, hi::Identifier);
+}
+
+({IdentifierStart}{IdentifierPart}*)?{IdentifierFail} L E("invalid identifier")
+
+0[0-7]+ L C I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral, hi::Constant);
+0[0-9]+ L C I(number, Number(strtoull(yytext + 1, NULL, 10)), tk::NumericLiteral, hi::Constant);
+
+0[xX][0-9a-fA-F]+ L C I(number, Number(strtoull(yytext + 2, NULL, 16)), tk::NumericLiteral, hi::Constant);
+0[oO][0-7]+ L C I(number, Number(strtoull(yytext + 2, NULL, 8)), tk::NumericLiteral, hi::Constant);
+0[bB][0-1]+ L C I(number, Number(strtoull(yytext + 2, NULL, 2)), tk::NumericLiteral, hi::Constant);
+
+(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?)([eE][+-]?[0-9]+)? L C I(number, Number(strtod(yytext, NULL)), tk::NumericLiteral, hi::Constant);
+(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?)[eE][+-]?{IdentifierScrap} L E("invalid exponent")
+(\.?[0-9]|(0|[1-9][0-9]*)\.){IdentifierScrap} L E("invalid number")
+
+'{SingleString}'|\"{DoubleString}\" L C {
+ char *value(A char[yyleng]);
+ char *local(value);
+
+ for (yy_size_t i(1), e(yyleng - 1); i != e; ++i) {
char next(yytext[i]);
if (yytext[i] == '\\')
- switch (next = yytext[++i]) {
- case '\n': continue;
+ // XXX: support more line continuation characters
+ if (false) line: {
+ yylloc->end.lines(1);
+ yylloc->end.columns(yyleng - i);
+ } else switch (next = yytext[++i]) {
+ case '\n': goto line;
+
case '\\': next = '\\'; break;
case '\'': next = '\''; break;
case '"': next = '"'; break;
case 'r': next = '\r'; break;
case 't': next = '\t'; break;
case 'v': next = '\v'; break;
- case '0': next = '\0'; break;
+
+ case '0': case '1': case '2': case '3':
+ if (yytext[i + 1] < '0' || yytext[i + 1] > '7')
+ next = H(yytext[i]), i += 0;
+ else if (yytext[i + 2] < '0' || yytext[i + 2] > '7')
+ next = H(yytext[i]) << 3 | H(yytext[i + 1]), i += 1;
+ else
+ next = H(yytext[i]) << 6 | H(yytext[i + 1]) << 3 | H(yytext[i + 2]), i += 2;
+ break;
+
+ case '4': case '5': case '6': case '7':
+ if (yytext[i + 1] < '0' || yytext[i + 1] > '7')
+ next = H(yytext[i]), i += 0;
+ else
+ next = H(yytext[i]) << 3 | H(yytext[i + 1]), i += 1;
+ break;
case 'x':
- next = H(yytext[i + 1]) << 4 | H(yytext[i + 2]);
+ U(local, H(yytext[i + 1]) << 4 | H(yytext[i + 2]));
i += 2;
- break;
+ continue;
+
+ case 'u':
+ U(local, yytext, i);
+ continue;
}
*local++ = next;
}
*local = '\0';
- yylval->string_ = new(yyextra->pool_) CYString(value, local - value);
- return tk::StringLiteral;
+ I(string, String(value, local - value), tk::StringLiteral, hi::Constant);
}
-\r?\n yylloc->end.lines(); yylloc->step(); N
+{StringPrefix}\\(x.{0,2}|u([^{].{0,3}|\{[^}]*)?|{UnicodeFail})? L E("invalid escape")
+{StringPrefix} L E("invalid string")
-[ \t] L
-<<EOF>> L yyterminate();
+{LineTerminatorSequence} yylloc->step(); yylloc->end.lines(); N
-. L {
- CYDriver::Error error;
- error.location_ = *yylloc;
- error.message_ = "syntax error, unknown token";
- yyextra->errors_.push_back(error);
- yyterminate();
-}
+{WhiteSpace} L
+
+<<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate();
+
+@({UnicodeStart}{UnicodeScrap}|{UnicodeFail}) L E("invalid keyword")
+
+. L E("invalid character")
%%
cylex_destroy(scanner_);
}
-void CYDriver::BeginCondition(Condition condition) {
+CYDriver::Condition CYDriver::GetCondition() {
+ switch (yy_top_state(scanner_)) {
+ case RegExp:
+ return RegExpCondition;
+@begin E4X
+ case XMLContent:
+ return XMLContentCondition;
+ case XMLTag:
+ return XMLTagCondition;
+@end
+ default:
+ _assert(false);
+ }
+}
+
+void CYDriver::SetCondition(Condition condition) {
struct yyguts_t *yyg(reinterpret_cast<struct yyguts_t *>(scanner_));
switch (condition) {
case RegExpCondition:
BEGIN(RegExp);
break;
+@begin E4X
+ case XMLContentCondition:
+ BEGIN(XMLContent);
+ break;
+ case XMLTagCondition:
+ BEGIN(XMLTag);
+ break;
+@end
default:
_assert(false);
}
}
+
+void CYDriver::PushCondition(Condition condition) {
+ switch (condition) {
+ case RegExpCondition:
+ yy_push_state(RegExp, scanner_);
+ break;
+@begin E4X
+ case XMLContentCondition:
+ yy_push_state(XMLContent, scanner_);
+ break;
+ case XMLTagCondition:
+ yy_push_state(XMLTag, scanner_);
+ break;
+@end
+ default:
+ _assert(false);
+ }
+}
+
+void CYDriver::PopCondition() {
+ yy_pop_state(scanner_);
+}
+
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
projects / cycript.git / blobdiff