/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2014 Jay Freeman (saurik)
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
*/
/* GNU Affero General Public License, Version 3 {{{ */
**/
/* }}} */
-/* 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 */
-
-%{
-
+%top{
#if defined(__clang__)
#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunknown-pragmas"
#pragma clang diagnostic ignored "-Wdeprecated-register"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wunused-variable"
+#else
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wsign-compare"
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
#endif
+}
+
+%{
#define YYLTYPE CYLocation
#include "Cycript.tab.hh"
#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; \
+ yyextra->newline_ = yyextra->last_; \
+ yyextra->last_ = false; \
+ yyextra->next_ = false; \
+ BEGIN(yyextra->template_.top() ? DivOrTemplateTail : Div); \
yylval->highlight_ = highlight; \
- return token; \
+ return value; \
} while (false)
-#define A new($pool)
-#define Y $pool.strmemdup(yytext, yyleng)
+#define P yyextra->pool_
+#define A new(P)
+#define Y P.strmemdup(yytext, yyleng)
#define I(type, Type, value, highlight) do { \
- yylval->type ## _ = A CY ## Type; \
+ yylval->semantic_.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 N \
- if (yyextra->state_ != CYNewLine) { \
- if (yyextra->state_ != CYRestricted) \
- yyextra->state_ = CYNewLine; \
- else { \
- yyextra->state_ = CYClear; \
- F(tk::NewLine, hi::Nothing); \
- } \
+ if (yyextra->last_ && yyextra->next_) { \
+ yyextra->last_ = false; \
+ F(tk::NewLine, hi::Nothing); \
}
#define V(more) { \
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(); \
more \
} else L \
}
-#define L { \
- yylloc->step(); \
- yylloc->end.columns(yyleng); \
-}
+#define R yylloc->end.columns(yyleng);
+#define L yylloc->step(); R
-#define M { \
- if (yyextra->commented_) { \
- I(comment, Comment(Y), tk::Comment, hi::Comment); \
- } \
+#define H(value, highlight) do { \
+ if (yyextra->highlight_) \
+ F(value, highlight); \
+} while (false)
+
+#define M \
+ H(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) {
+int X(char c) {
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return -1;
}
+template <typename Type_>
+static void U(Type_ &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 = X(text[i + 0]) << 12 | X(text[i + 1]) << 8 | X(text[i + 2]) << 4 | X(text[i + 3]);
+ i += 3;
+ } else {
+ point = 0;
+ for (;;) {
+ next = text[++i];
+ if (next == '}')
+ break;
+ point = (point << 4) | X(next);
+ }
+ }
+
+ U(local, point);
+}
+
+#define CYLexBufferPoint(point) do { \
+ std::back_insert_iterator<std::vector<char> > inserter(yyextra->buffer_); \
+ U(inserter, point); \
+} while (false)
+
+#define CYLexBufferUnit(value) do { \
+ yyextra->buffer_.push_back(value); \
+} while (false)
+
+#define CYLexBufferUnits(data, size) do { \
+ yyextra->buffer_.insert(yyextra->buffer_.end(), data, data + size); \
+} while (false)
+
+#define CYLexBufferStart(condition) do { \
+ yyextra->buffer_.clear(); \
+ yy_push_state(condition, yyscanner); \
+} while (false)
+
+#define CYLexBufferEnd(type, Type, value, highlight) do { \
+ yy_pop_state(yyscanner); \
+ I(type, Type(P.strmemdup(yyextra->buffer_.data(), yyextra->buffer_.size()), yyextra->buffer_.size()), value, highlight); \
+} while (false)
+
#define YY_INPUT(data, value, size) { \
if (yyextra->data_.eof()) \
value = YY_NULL; \
%option prefix="cy"
%option bison-bridge
%option bison-locations
+%option nodefault
%option noyywrap
-%option yylineno
+%option noyylineno
%option nounput
+%option nounistd
+%option 8bit
+%option backup
%option batch
%option never-interactive
+%option pointer
%option reentrant
%option stack
-Exponent [eE][+-]?[0-9]+
-Escape \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n
-
-IdentifierStart [a-zA-Z$_]
-IdentifierPart [a-zA-Z$_0-9]
+%option full
+%option ecs
+
+U1 [\x00-\x7f]
+U0 [\x80-\xbf]
+U2 [\xc2-\xdf]
+U3 [\xe0-\xef]
+U4 [\xf0-\xf4]
+UN [\xc0-\xc1\xf5-\xff]
+
+HexDigit [0-9a-fA-F]
+LineTerminatorSequence \r?\n|\r|\xe2\x80[\xa8\xa9]
+WhiteSpace [\x09\x0b\x0c\x20]|\xc2\xa0|\xef\xbb\xbf
+UnicodeEscape \\u({HexDigit}{4}|\{{HexDigit}+\})
+
+@include NotLineTerminator.l
+CommentCharacter [^*/]{-}[\r\n\x80-\xff]|{NotLineTerminator}
+SingleCharacter [^'\\]{-}[\r\n\x80-\xff]|{NotLineTerminator}
+DoubleCharacter [^"\\]{-}[\r\n\x80-\xff]|{NotLineTerminator}
+PlateCharacter [^$`\\]{-}[\r\n\x80-\xff]|{NotLineTerminator}
+
+@include UnicodeIDStart.l
+@include UnicodeIDContinue.l
+IdentifierMore [$_]
+
+UnicodeStart {IdentifierMore}|{UnicodeIDStart}
+UnicodePart {IdentifierMore}|\xe2\x80[\x8c\x8d]|{UnicodeIDContinue}
+UnicodeFail {U2}|{U3}|{U3}{U0}|{U4}|{U4}{U0}|{U4}{U0}{U0}|{UN}|{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}
XMLName {XMLNameStart}{XMLNamePart}*
@end
+%x MultiLine
+
+%x LegacySingleString
+%x LegacyDoubleString
+
+%x StrictSingleString
+%x StrictDoubleString
+%x StrictAccentString
+
%s Div
+%s DivOrTemplateTail
%s RegExp
+%s RegExpOrTemplateTail
@begin E4X
%x XMLContent
%%
-<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant);
-
+ /* RegEx {{{ */
+<RegExp,RegExpOrTemplateTail>{
+ \/{RegularExpressionBody}\/{RegularExpressionFlags} L I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant);
+ \/{RegularExpressionBody}\/{RegularExpressionFlags}{UnicodeFail} L E("invalid flags")
+ \/{RegularExpressionBody}?\\? L E("unterminated regex")
+}
+ /* }}} */
+ /* Comment {{{ */
#![^\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
+\/\* L yy_push_state(MultiLine, yyscanner);
+<MultiLine>{
+ \**\*\/ R yy_pop_state(yyscanner); M N
+ \**{LineTerminatorSequence} yylloc->end.lines(); yyextra->last_ = true;
+ \**{CommentCharacter}|\/ R
+ \**({UnicodeFail}|\*) R E("invalid comment");
+ <<EOF>> R E("invalid comment")
+}
+ /* }}} */
+ /* Element {{{ */
@begin E4X
<RegExp>"<>" L F(tk::LeftRight, hi::Structure);
<XMLContent>"</>" L F(tk::LeftSlashRight, hi::Structure);
<XMLContent>"<" L F(tk::Left, hi::Structure);
<XMLContent>"</" L F(tk::LeftSlash, hi::Structure);
@end
-
-"..." L C F(tk::PeriodPeriodPeriod, hi::Meta);
+ /* }}} */
+ /* Operator {{{ */
+"..." L F(tk::PeriodPeriodPeriod, hi::Meta);
+".." L E("invalid operator")
@begin E4X
-"::" L C F(tk::ColonColon, hi::Operator);
-".." L C F(tk::PeriodPeriod, hi::Operator);
+"::" L F(tk::ColonColon, hi::Operator);
+".." L F(tk::PeriodPeriod, hi::Operator);
@end
@begin E4X ObjectiveC
-"@" L C F(tk::At, hi::Operator);
-"#" L C F(tk::Pound, hi::Operator);
+"@" L F(tk::At, hi::Operator);
+"#" L 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(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);
+"&" L F(tk::Ampersand, hi::Operator);
+"&&" L F(tk::AmpersandAmpersand, hi::Operator);
+"&=" L F(tk::AmpersandEqual, hi::Operator);
+"^" L F(tk::Carrot, hi::Operator);
+"^=" L F(tk::CarrotEqual, hi::Operator);
+"=" L F(tk::Equal, hi::Operator);
+"==" L F(tk::EqualEqual, hi::Operator);
+"===" L F(tk::EqualEqualEqual, hi::Operator);
+"=>" L F(yyextra->newline_ ? tk::EqualRight_ : tk::EqualRight, hi::Operator);
+"!" L F(tk::Exclamation, hi::Operator);
+"!=" L F(tk::ExclamationEqual, hi::Operator);
+"!==" L F(tk::ExclamationEqualEqual, hi::Operator);
+"-" L F(tk::Hyphen, hi::Operator);
+"-=" L F(tk::HyphenEqual, hi::Operator);
+"--" L F(yyextra->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen, hi::Operator);
+"->" L F(tk::HyphenRight, hi::Operator);
+"<" L F(tk::Left, hi::Operator);
+"<=" L F(tk::LeftEqual, hi::Operator);
+"<<" L F(tk::LeftLeft, hi::Operator);
+"<<=" L F(tk::LeftLeftEqual, hi::Operator);
+"%" L F(tk::Percent, hi::Operator);
+"%=" L F(tk::PercentEqual, hi::Operator);
+"." L F(tk::Period, hi::Operator);
+"|" L F(tk::Pipe, hi::Operator);
+"|=" L F(tk::PipeEqual, hi::Operator);
+"||" L F(tk::PipePipe, hi::Operator);
+"+" L F(tk::Plus, hi::Operator);
+"+=" L F(tk::PlusEqual, hi::Operator);
+"++" L F(yyextra->newline_ ? tk::PlusPlus_ : tk::PlusPlus, hi::Operator);
+">" L F(tk::Right, hi::Operator);
+">=" L F(tk::RightEqual, hi::Operator);
+">>" L F(tk::RightRight, hi::Operator);
+">>=" L F(tk::RightRightEqual, hi::Operator);
+">>>" L F(tk::RightRightRight, hi::Operator);
+">>>=" L F(tk::RightRightRightEqual, hi::Operator);
+"*" L F(tk::Star, hi::Operator);
+"*=" L F(tk::StarEqual, hi::Operator);
+"~" L F(tk::Tilde, hi::Operator);
+
+<Div,DivOrTemplateTail>"/" L F(tk::Slash, hi::Operator);
+<Div,DivOrTemplateTail>"/=" L F(tk::SlashEqual, hi::Operator);
+
+":" L F(tk::Colon, hi::Structure);
+"," L F(tk::Comma, hi::Structure);
+"?" L F(tk::Question, hi::Structure);
+";" L F(tk::SemiColon, hi::Structure);
+
+"(" L F(tk::OpenParen, hi::Structure);
+")" L F(tk::CloseParen, hi::Structure);
+
+"{" L yyextra->template_.push(false); F(yyextra->newline_ ? tk::OpenBrace_ : tk::OpenBrace, hi::Structure);
+<Div,RegExp>"}" L yyextra->template_.pop(); F(tk::CloseBrace, hi::Structure);
+
+"[" L F(tk::OpenBracket, hi::Structure);
+"]" L F(tk::CloseBracket, hi::Structure);
+ /* }}} */
+ /* Keyword {{{ */
+"@error" L F(tk::At_error_, hi::Error);
@begin Java
-"@class" L C F(tk::AtClass, hi::Meta);
+"@class" L F(tk::At_class_, 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);
+"@encode" L F(tk::At_encode_, hi::Meta);
@end
-@begin C
-"@encode" L C F(tk::AtEncode, hi::Meta);
+@begin ObjectiveC
+"@end" L F(tk::At_end_, hi::Meta);
+"@false" L F(tk::At_false_, hi::Constant);
+"@implementation" L F(tk::At_implementation_, hi::Meta);
+"@import" L F(tk::At_import_, hi::Special);
+"@NO" L F(tk::At_NO_, hi::Constant);
+"@null" L F(tk::At_null_, hi::Constant);
+"@selector" L F(tk::At_selector_, hi::Meta);
+"@true" L F(tk::At_true_, hi::Constant);
+"@YES" L F(tk::At_YES_, hi::Constant);
@end
+@({UnicodeStart}{UnicodeScrap}|{UnicodeFail}) L E("invalid keyword")
+ /* }}} */
+ /* Highlight {{{ */
+"undefined" L F(tk::_undefined_, hi::Operator);
+
@begin ObjectiveC
-"@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 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);
+"bool" L F(tk::_bool_, hi::Type);
+"BOOL" L F(tk::_BOOL_, hi::Type);
+"id" L F(tk::_id_, hi::Type);
+"nil" L F(tk::_nil_, hi::Constant);
+"NULL" L F(tk::_NULL_, hi::Constant);
+"SEL" L F(tk::_SEL_, hi::Type);
@end
+ /* }}} */
+ /* Reserved {{{ */
+"abstract" L /*FII*/ F(tk::_abstract_, hi::Meta);
+"await" L /*II?*/ F(tk::_await_, hi::Meta);
+"boolean" L /*FII*/ F(tk::_boolean_, hi::Type);
+"break" L /*KKK*/ F(tk::_break_, hi::Control);
+"byte" L /*FII*/ F(tk::_byte_, hi::Type);
+"case" L /*KKK*/ F(tk::_case_, hi::Control);
+"catch" L /*KKK*/ F(tk::_catch_, hi::Control);
+"char" L /*FII*/ F(tk::_char_, hi::Type);
+"class" L /*FFK*/ F(tk::_class_, hi::Meta);
+"const" L /*FFK*/ F(tk::_const_, hi::Meta);
+"continue" L /*KKK*/ F(tk::_continue_, hi::Control);
+"debugger" L /*FKK*/ F(tk::_debugger_, hi::Meta);
+"default" L /*KKK*/ F(tk::_default_, hi::Control);
+"delete" L /*KKK*/ F(tk::_delete_, hi::Operator);
+"do" L /*KKK*/ F(tk::_do_, hi::Control);
+"double" L /*FII*/ F(tk::_double_, hi::Type);
+"else" L /*KKK*/ F(tk::_else_, hi::Control);
+"enum" L /*FFF*/ F(tk::_enum_, hi::Meta);
+"export" L /*FFK*/ F(tk::_export_, hi::Meta);
+"extends" L /*FFK*/ F(tk::_extends_, hi::Meta);
+"false" L /*LLL*/ F(tk::_false_, hi::Constant);
+"final" L /*FII*/ F(tk::_final_, hi::Meta);
+"finally" L /*KKK*/ F(tk::_finally_, hi::Control);
+"float" L /*FII*/ F(tk::_float_, hi::Type);
+"for" L /*KKK*/ F(tk::_for_, hi::Control);
+"from" L /*III*/ F(tk::_from_, hi::Meta);
+"function" L /*KKK*/ F(tk::_function_, hi::Meta);
+"goto" L /*FII*/ F(tk::_goto_, hi::Control);
+"get" L /*III*/ F(tk::_get_, hi::Meta);
+"if" L /*KKK*/ F(tk::_if_, hi::Control);
+"implements" L /*FSS*/ F(tk::_implements_, hi::Meta);
+"import" L /*FFK*/ F(tk::_import_, hi::Meta);
+"in" L /*KKK*/ F(yyextra->in_.top() ? tk::_in__ : tk::_in_, hi::Operator);
+"instanceof" L /*KKK*/ F(tk::_instanceof_, hi::Operator);
+"int" L /*FII*/ F(tk::_int_, hi::Type);
+"interface" L /*FSS*/ F(tk::_interface_, hi::Meta);
+"let" L /*IS?*/ F(tk::_let_, hi::Meta);
+"long" L /*FII*/ F(tk::_long_, hi::Type);
+"native" L /*FII*/ F(tk::_native_, hi::Meta);
+"new" L /*KKK*/ F(tk::_new_, hi::Operator);
+"null" L /*LLL*/ F(tk::_null_, hi::Constant);
+"package" L /*FSS*/ F(tk::_package_, hi::Meta);
+"private" L /*FSS*/ F(tk::_private_, hi::Meta);
+"protected" L /*FSS*/ F(tk::_protected_, hi::Meta);
+"public" L /*FSS*/ F(tk::_public_, hi::Meta);
+"return" L /*KKK*/ F(yyextra->return_.top() ? tk::_return__ : tk::_return_, hi::Control);
+"set" L /*III*/ F(tk::_set_, hi::Meta);
+"short" L /*FII*/ F(tk::_short_, hi::Type);
+"static" L /*FS?*/ F(tk::_static_, hi::Meta);
+"super" L /*FFK*/ F(tk::_super_, hi::Constant);
+"switch" L /*KKK*/ F(tk::_switch_, hi::Control);
+"synchronized" L /*FII*/ F(tk::_synchronized_, hi::Meta);
+"this" L /*KKK*/ F(tk::_this_, hi::Constant);
+"throw" L /*KKK*/ F(tk::_throw_, hi::Control);
+"throws" L /*FII*/ F(tk::_throws_, hi::Meta);
+"transient" L /*FII*/ F(tk::_transient_, hi::Meta);
+"true" L /*LLL*/ F(tk::_true_, hi::Constant);
+"try" L /*KKK*/ F(tk::_try_, hi::Control);
+"typeof" L /*KKK*/ F(tk::_typeof_, hi::Operator);
+"var" L /*KKK*/ F(tk::_var_, hi::Meta);
+"void" L /*KKK*/ F(tk::_void_, hi::Operator);
+"volatile" L /*FII*/ F(tk::_volatile_, hi::Meta);
+"while" L /*KKK*/ F(tk::_while_, hi::Control);
+"with" L /*KKK*/ F(tk::_with_, hi::Control);
+"yield" L /*IS?*/ F(yyextra->yield_.top() ? tk::_yield__ : tk::_yield_, hi::Control);
+
+"auto" L F(tk::_auto_, hi::Meta);
+"each" L F(tk::_each_, hi::Control);
+"of" L F(tk::_of_, hi::Operator);
-"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 C 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 C
+"extern" L F(tk::_extern_, hi::Type);
+"signed" L F(tk::_signed_, hi::Type);
+"typedef" L F(tk::_typedef_, hi::Meta);
+"unsigned" L F(tk::_unsigned_, hi::Type);
+@end
+
+@begin ObjectiveC
+"NO" L F(tk::_NO_, hi::Constant);
+"YES" L F(tk::_YES_, hi::Constant);
+@end
@begin E4X
-"namespace" L C I(identifier, Identifier("namespace"), tk::Namespace, hi::Meta);
-"xml" L C I(identifier, Identifier("xml"), tk::XML, hi::Meta);
+"namespace" L F(tk::_namespace_, hi::Meta);
+"xml" L F(tk::_xml_, hi::Meta);
@end
+ /* }}} */
+ /* Identifier {{{ */
+{UnicodeStart}{UnicodePart}* L I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier);
-{IdentifierStart}{IdentifierPart}* L C I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier);
+{IdentifierStart}{IdentifierPart}* L {
+ char *value(A char[yyleng + 1]);
+ char *local(value);
-(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? L C I(number, Number(strtod(yytext, NULL)), tk::NumericLiteral, hi::Constant);
+ for (yy_size_t i(0), e(yyleng); i != e; ++i) {
+ char next(yytext[i]);
+ if (next != '\\')
+ *local++ = next;
+ else
+ U(local, yytext, ++i);
+ }
-0[xX][0-9a-fA-F]+ L C I(number, Number(strtoull(yytext + 2, NULL, 16)), tk::NumericLiteral, hi::Constant);
-0[0-7]+ L C I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral, hi::Constant);
-0[bB][0-1]+ L C I(number, Number(strtoull(yytext + 2, NULL, 2)), tk::NumericLiteral, hi::Constant);
+ *local = '\0';
+ I(identifier, Identifier(value), tk::Identifier_, hi::Identifier);
+}
-\"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C {
- char *value(A char[yyleng]);
- char *local(value);
+({IdentifierStart}{IdentifierPart}*)?{IdentifierFail} L E("invalid identifier")
+ /* }}} */
+ /* Number {{{ */
+0[0-7]+ L I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral, hi::Constant);
+0[0-9]+ L I(number, Number(strtoull(yytext + 1, NULL, 10)), tk::NumericLiteral, hi::Constant);
+
+0[xX][0-9a-fA-F]+ L I(number, Number(strtoull(yytext + 2, NULL, 16)), tk::NumericLiteral, hi::Constant);
+0[oO][0-7]+ L I(number, Number(strtoull(yytext + 2, NULL, 8)), tk::NumericLiteral, hi::Constant);
+0[bB][0-1]+ L 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 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")
+ /* }}} */
+ /* String {{{ */
+\' L CYLexBufferStart(LegacySingleString);
+<LegacySingleString,StrictSingleString>{
+ \' R CYLexBufferEnd(string, String, tk::StringLiteral, hi::Constant);
+ {SingleCharacter}+ R CYLexBufferUnits(yytext, yyleng);
+ {SingleCharacter}*{UnicodeFail} R E("invalid character");
+ {LineTerminatorSequence} R E("invalid newline");
+}
- for (yy_size_t i(1), e(yyleng - 1); i != e; ++i) {
- char next(yytext[i]);
+\" L CYLexBufferStart(LegacyDoubleString);
+<LegacyDoubleString,StrictDoubleString>{
+ \" R CYLexBufferEnd(string, String, tk::StringLiteral, hi::Constant);
+ {DoubleCharacter}+ R CYLexBufferUnits(yytext, yyleng);
+ {DoubleCharacter}*{UnicodeFail} R E("invalid character");
+ {LineTerminatorSequence} R E("invalid newline");
+}
+ /* }}} */
+ /* Template {{{ */
+"`" L yyextra->tail_ = false; CYLexBufferStart(StrictAccentString);
+<DivOrTemplateTail,RegExpOrTemplateTail>"}" L yyextra->tail_ = true; yyextra->template_.pop(); CYLexBufferStart(StrictAccentString);
- if (yytext[i] == '\\')
- switch (next = yytext[++i]) {
- case '\n': continue;
- case '\\': next = '\\'; break;
- case '\'': next = '\''; break;
- case '"': next = '"'; break;
- case 'b': next = '\b'; break;
- case 'f': next = '\f'; break;
- case 'n': next = '\n'; break;
- case 'r': next = '\r'; break;
- case 't': next = '\t'; break;
- case 'v': next = '\v'; break;
- case '0': next = '\0'; break;
-
- case 'x':
- next = H(yytext[i + 1]) << 4 | H(yytext[i + 2]);
- i += 2;
- break;
- }
+<StrictAccentString>{
+ "`" R CYLexBufferEnd(string, String, yyextra->tail_ ? tk::TemplateTail : tk::NoSubstitutionTemplate, hi::Constant);
+ "${" R yyextra->template_.push(true); CYLexBufferEnd(string, String, yyextra->tail_ ? tk::TemplateMiddle : tk::TemplateHead, hi::Constant);
- *local++ = next;
- }
+ "$" R CYLexBufferUnit('$');
- *local = '\0';
- I(string, String(value, local - value), tk::StringLiteral, hi::Constant);
+ {PlateCharacter}+ R CYLexBufferUnits(yytext, yyleng);
+ {PlateCharacter}*{UnicodeFail} R E("invalid character");
+ {LineTerminatorSequence} R E("invalid newline");
+}
+ /* }}} */
+ /* Escapes {{{ */
+<LegacySingleString,LegacyDoubleString>{
+ \\[0-3][0-7][0-7] R CYLexBufferPoint(X(yytext[1]) << 6 | X(yytext[2]) << 3 | X(yytext[3]));
+ \\[0-7][0-7] R CYLexBufferUnit(X(yytext[1]) << 3 | X(yytext[2]));
+ \\[0-7] R CYLexBufferUnit(X(yytext[1]));
}
-\r?\n|\r|\xe2\x80[\xa8\xa9] yylloc->end.lines(); yylloc->step(); N
+<StrictSingleString,StrictDoubleString,StrictAccentString>{
+ \\0[0-7] R E("legacy escape");
+ \\0 R CYLexBufferUnit('\0');
+}
-[ \t] L
+<LegacySingleString,LegacyDoubleString,StrictSingleString,StrictDoubleString,StrictAccentString>{
+ \\b R CYLexBufferUnit('\b');
+ \\f R CYLexBufferUnit('\f');
+ \\n R CYLexBufferUnit('\n');
+ \\r R CYLexBufferUnit('\r');
+ \\t R CYLexBufferUnit('\t');
+ \\v R CYLexBufferUnit('\v');
-<<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate();
+ \\x{HexDigit}{2} R CYLexBufferPoint(X(yytext[2]) << 4 | X(yytext[3]));
+
+ \\u{HexDigit}{4} R CYLexBufferPoint(X(yytext[2]) << 12 | X(yytext[3]) << 8 | X(yytext[4]) << 4 | X(yytext[5]));
+
+ \\u\{{HexDigit}+\} R {
+ unsigned point(0);
+ for (yy_size_t i(3); i != yyleng - 1; ++i)
+ point = point << 4 | X(yytext[i]);
+ CYLexBufferPoint(point);
+ }
+
+ \\{LineTerminatorSequence} yylloc->end.lines();
+ \\(.|{NotLineTerminator}) R CYLexBufferUnits(yytext + 1, yyleng - 1);
-. L {
- CYDriver::Error error;
- error.location_ = *yylloc;
- error.message_ = "syntax error, unknown token";
- yyextra->errors_.push_back(error);
- yyterminate();
+ \\(x{HexDigit}{0,1}|u({HexDigit}{0,3}|\{{HexDigit}*)|{UnicodeFail})? R E("invalid escape");
+ <<EOF>> R E("invalid string");
}
+ /* }}} */
+
+{LineTerminatorSequence} yylloc->step(); yylloc->end.lines(); yyextra->last_ = true; N
+{WhiteSpace} L
+
+<<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate();
+
+. L E("invalid character")
%%
cylex_destroy(scanner_);
}
-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);
+ BEGIN(template_.top() ? RegExpOrTemplateTail : RegExp);
break;
@begin E4X
case XMLContentCondition:
yy_pop_state(scanner_);
}
+bool CYLexerHighlight(hi::Value &highlight, CYLocation &location, void *scanner) {
+ YYSTYPE value;
+ if (cylex(&value, &location, scanner) == 0)
+ return false;
+ highlight = value.highlight_;
+ return true;
+}
+
#if defined(__clang__)
#pragma clang diagnostic pop
+#else
+// must not pop -Wunused-function
+//#pragma GCC diagnostic pop
#endif
projects / cycript.git / blobdiff