#include "math_parser.h"
#include "array.h"
#include "math_inset.h"
+#include "math_arrayinset.h"
+#include "math_bigopinset.h"
+#include "math_charinset.h"
+#include "math_dotsinset.h"
+#include "math_decorationinset.h"
+#include "math_deliminset.h"
+#include "math_fracinset.h"
+#include "math_funcinset.h"
+#include "math_funcliminset.h"
#include "math_macro.h"
#include "math_macrotable.h"
#include "math_macrotemplate.h"
-#include "math_root.h"
-#include "math_arrayinset.h"
-#include "math_sqrtinset.h"
#include "math_matrixinset.h"
-#include "math_accentinset.h"
-#include "math_bigopinset.h"
-#include "math_funcinset.h"
-#include "math_spaceinset.h"
+#include "math_noglyphinset.h"
+#include "math_rootinset.h"
+#include "math_scopeinset.h"
+#include "math_sqrtinset.h"
+#include "math_scriptinset.h"
#include "math_sizeinset.h"
-#include "math_dotsinset.h"
-#include "math_fracinset.h"
-#include "math_deliminset.h"
-#include "math_decorationinset.h"
+#include "math_spaceinset.h"
+#include "math_sqrtinset.h"
+#include "math_stackrelinset.h"
+#include "math_symbolinset.h"
#include "debug.h"
#include "mathed/support.h"
#include "lyxlex.h"
+#include "support/lstrings.h"
using std::istream;
using std::endl;
+namespace {
+
+MathScriptInset * prevScriptInset(MathArray const & array)
+{
+ MathInset * p = array.back();
+ return (p && p->isScriptInset()) ? static_cast<MathScriptInset *>(p) : 0;
+}
+
+
+MathInset * lastScriptInset(MathArray & array, bool up, bool down, int limits)
+{
+ MathScriptInset * p = prevScriptInset(array);
+ if (!p) {
+ MathInset * b = array.back();
+ if (b && b->isScriptable()) {
+ p = new MathScriptInset(up, down, b->clone());
+ array.pop_back();
+ } else {
+ p = new MathScriptInset(up, down);
+ }
+ array.push_back(p);
+ }
+ if (up)
+ p->up(true);
+ if (down)
+ p->down(down);
+ if (limits)
+ p->limits(limits);
+ return p;
+}
+
// These are lexical codes, not semantic
enum lexcode_enum {
LexNone,
LexESC,
LexAlpha,
- LexDigit,
LexBOP, // Binary operators or relations
- LexMathSpace,
LexOpen,
LexClose,
LexComment,
LexSpace,
LexNewLine,
LexOther,
+ LexMath,
LexSelf
};
lexcode_enum lexcode[256];
-char const * latex_special_chars = "#$%&_{}";
-
-
-/// Read TeX into data, flags give stop conditions
-void mathed_parse(MathArray & data, unsigned flags);
-
-
-namespace {
-
-unsigned char getuchar(std::istream * is)
-{
- char c;
- is->get(c);
- return static_cast<unsigned char>(c);
-}
-
const unsigned char LM_TK_OPEN = '{';
const unsigned char LM_TK_CLOSE = '}';
enum {
FLAG_BRACE = 1 << 0, // A { needed //}
- FLAG_BRACE_OPT = 1 << 2, // Optional {
- FLAG_BRACE_LAST = 1 << 3, // Last } ends the parsing process
- FLAG_BRACK_ARG = 1 << 4, // Optional [
- FLAG_RIGHT = 1 << 5, // Next right ends the parsing process
- FLAG_END = 1 << 6, // Next end ends the parsing process
- FLAG_BRACE_FONT = 1 << 7, // Next } closes a font
- FLAG_BRACK_END = 1 << 9, // Next ] ends the parsing process
- FLAG_AMPERSAND = 1 << 10, // Next & ends the parsing process
- FLAG_NEWLINE = 1 << 11 // Next \\ ends the parsing process
+ FLAG_BRACE_LAST = 1 << 1, // // { Last } ends the parsing process
+ FLAG_RIGHT = 1 << 2, // Next right ends the parsing process
+ FLAG_END = 1 << 3, // Next end ends the parsing process
+ FLAG_BRACK_END = 1 << 5, // // [ Next ] ends the parsing process
+ FLAG_AMPERSAND = 1 << 6, // Next & ends the parsing process
+ FLAG_NEWLINE = 1 << 7, // Next \\ ends the parsing process
+ FLAG_ITEM = 1 << 8, // read a (possibly braced token)
+ FLAG_LEAVE = 1 << 9, // marker for leaving the
+ FLAG_OPTARG = 1 << 10 // reads an argument in []
};
-///
-union {
- ///
- int i;
- ///
- latexkeys const * l;
-} yylval;
-
-
-string yytext;
-int yylineno;
-istream * yyis;
-MathTextCodes yyvarcode;
-
-
-
struct latex_mathenv_type {
char const * name;
char const * basename;
-void mathPrintError(string const & msg)
-{
- lyxerr[Debug::MATHED] << "Line ~" << yylineno << ": Math parse error: " << msg << endl;
-}
-
-
-void LexInitCodes()
+void lexInit()
{
for (int i = 0; i <= 255; ++i) {
if (isdigit(i))
- lexcode[i] = LexDigit;
+ lexcode[i] = LexOther;
else if (isspace(i))
lexcode[i] = LexSpace;
else
lexcode['\n'] = LexNewLine;
lexcode['%'] = LexComment;
lexcode['#'] = LexArgument;
+ lexcode['$'] = LexMath;
lexcode['+'] = lexcode['-'] = lexcode['*'] = lexcode['/']
= lexcode['<'] = lexcode['>'] = lexcode['='] = LexBOP;
- lexcode['!'] = lexcode[','] = lexcode[':']
- = lexcode[';'] = LexMathSpace;
-
lexcode['('] = lexcode[')'] = lexcode['|'] = lexcode['.'] =
lexcode['?'] = LexOther;
}
-unsigned char LexGetArg(unsigned char lf, bool accept_spaces = false)
+
+//
+// Helper class for parsing
+//
+
+
+class Parser {
+public:
+ ///
+ Parser(LyXLex & lex) : is_(lex.getStream()), lineno_(lex.getLineNo()) {}
+ ///
+ Parser(istream & is) : is_(is), lineno_(0) {}
+
+ ///
+ MathMacroTemplate * parse_macro();
+ ///
+ MathMatrixInset * parse_normal();
+ ///
+ void parse_into(MathArray & array, unsigned flags);
+ ///
+ int lineno() const { return lineno_; }
+
+private:
+ ///
+ int yylex();
+ ///
+ string lexArg(unsigned char lf, bool accept_spaces = false);
+ ///
+ unsigned char getuchar();
+ ///
+ void error(string const & msg);
+ ///
+ void parse_lines(MathGridInset * p, int col, bool numbered, bool outmost);
+ ///
+ latexkeys const * read_delim();
+
+private:
+ ///
+ istream & is_;
+ ///
+ int lineno_;
+
+ ///
+ int ival_;
+ ///
+ latexkeys const * lval_;
+ ///
+ string sval_;
+
+ ///
+ bool curr_num_;
+ ///
+ string curr_label_;
+ ///
+ string curr_skip_;
+};
+
+
+unsigned char Parser::getuchar()
+{
+ char c = 0;
+ if (!is_.good())
+ lyxerr << "The input stream is not well..." << endl;
+ is_.get(c);
+ return static_cast<unsigned char>(c);
+}
+
+
+string Parser::lexArg(unsigned char lf, bool accept_spaces = false)
{
- while (yyis->good()) {
- unsigned char c = getuchar(yyis);
- if (c > ' ') {
- if (!lf)
- lf = c;
- else if (c != lf) {
- lyxerr[Debug::MATHED] << "Math parse error: unexpected '" << c << "'" << endl;
- return '\0';
- }
+ string result;
+ unsigned char c = 0;
+ while (is_.good()) {
+ c = getuchar();
+ if (!isspace(c))
break;
- }
}
+
+ if (c != lf) {
+ is_.putback(c);
+ return result;
+ }
+
unsigned char rg = 0;
if (lf == '{') rg = '}';
if (lf == '[') rg = ']';
if (lf == '(') rg = ')';
if (!rg) {
- lyxerr[Debug::MATHED] << "Math parse error: unknown bracket '" << lf << "'" << endl;
- return '\0';
+ lyxerr[Debug::MATHED] << "Math parse error: unknown bracket '"
+ << lf << "'" << endl;
+ return result;
}
- yytext.erase();
- int bcnt = 1;
+
+ int depth = 1;
do {
- unsigned char c = getuchar(yyis);
- if (c == lf) ++bcnt;
- if (c == rg) --bcnt;
- if ((c > ' ' || (c == ' ' && accept_spaces)) && bcnt > 0)
- yytext += c;
- } while (bcnt > 0 && yyis->good());
-
- return rg;
+ unsigned char c = getuchar();
+ if (c == lf)
+ ++depth;
+ if (c == rg)
+ --depth;
+ if ((!isspace(c) || (c == ' ' && accept_spaces)) && depth > 0)
+ result += c;
+ } while (depth > 0 && is_.good());
+
+ return result;
}
-int yylex()
+int Parser::yylex()
{
static bool init_done = false;
if (!init_done) {
- LexInitCodes();
+ lexInit();
init_done = true;
}
- while (yyis->good()) {
- unsigned char c = getuchar(yyis);
+ while (is_.good()) {
+ unsigned char c = getuchar();
//lyxerr << "reading byte: '" << c << "' code: " << lexcode[c] << endl;
- if (yyvarcode == LM_TC_TEXTRM && c == ' ') {
- yylval.i = ' ';
- return LM_TK_ALPHA;
- } else if (lexcode[c] == LexNewLine) {
- ++yylineno;
+ if (lexcode[c] == LexNewLine) {
+ ++lineno_;
continue;
} else if (lexcode[c] == LexComment) {
do {
- c = getuchar(yyis);
- } while (c != '\n' && yyis->good()); // eat comments
- } else if (lexcode[c] == LexDigit
- || lexcode[c] == LexOther
- || lexcode[c] == LexMathSpace) {
- yylval.i = c;
+ c = getuchar();
+ } while (c != '\n' && is_.good()); // eat comments
+ } else if (lexcode[c] == LexOther) {
+ ival_ = c;
return LM_TK_STR;
- } else if (lexcode[c] == LexAlpha) {
- yylval.i = c;
+ } else if (lexcode[c] == LexAlpha || lexcode[c] == LexSpace) {
+ ival_ = c;
return LM_TK_ALPHA;
} else if (lexcode[c] == LexBOP) {
- yylval.i = c;
+ ival_ = c;
return LM_TK_BOP;
+ } else if (lexcode[c] == LexMath) {
+ ival_ = 0;
+ return LM_TK_MATH;
} else if (lexcode[c] == LexSelf) {
return c;
} else if (lexcode[c] == LexArgument) {
- c = getuchar(yyis);
- yylval.i = c - '0';
+ c = getuchar();
+ ival_ = c - '0';
return LM_TK_ARGUMENT;
} else if (lexcode[c] == LexOpen) {
return LM_TK_OPEN;
} else if (lexcode[c] == LexClose) {
return LM_TK_CLOSE;
} else if (lexcode[c] == LexESC) {
- c = getuchar(yyis);
- if (c == '\\') {
- yylval.i = -1;
- return LM_TK_NEWLINE;
- }
- if (c == '(') {
- yylval.i = LM_OT_SIMPLE;
- return LM_TK_BEGIN;
- }
- if (c == ')') {
- yylval.i = LM_OT_SIMPLE;
- return LM_TK_END;
- }
- if (c == '[') {
- yylval.i = LM_OT_EQUATION;
- return LM_TK_BEGIN;
- }
- if (c == ']') {
- yylval.i = LM_OT_EQUATION;
- return LM_TK_END;
- }
- if (contains(latex_special_chars, c)) {
- yylval.i = c;
- return LM_TK_SPECIAL;
- }
- if (lexcode[c] == LexMathSpace) {
- int i;
- for (i = 0; i < 4 && static_cast<int>(c) != latex_mathspace[i][0]; ++i)
- ;
- yylval.i = (i < 4) ? i : 0;
- return LM_TK_SPACE;
+ c = getuchar();
+ //lyxerr << "reading second byte: '" << c << "' code: " << lexcode[c] << endl;
+ string s;
+ s += c;
+ latexkeys const * l = in_word_set(s);
+ if (l) {
+ //lyxerr << "found key: " << l << endl;
+ //lyxerr << "found key name: " << l->name << endl;
+ //lyxerr << "found key token: " << l->token << endl;
+ lval_ = l;
+ ival_ = l->id;
+ return l->token;
}
- if (lexcode[c] == LexAlpha || lexcode[c] == LexDigit) {
- yytext.erase();
- while (lexcode[c] == LexAlpha || lexcode[c] == LexDigit) {
- yytext += c;
- c = getuchar(yyis);
+ if (lexcode[c] == LexAlpha) {
+ sval_.erase();
+ while (lexcode[c] == LexAlpha && is_.good()) {
+ sval_ += c;
+ c = getuchar();
}
- if (yyis->good())
- yyis->putback(c);
- lyxerr[Debug::MATHED] << "reading: text '" << yytext << "'\n";
- latexkeys const * l = in_word_set(yytext);
- if (!l)
+ while (lexcode[c] == LexSpace && is_.good())
+ c = getuchar();
+ if (lexcode[c] != LexSpace)
+ is_.putback(c);
+
+ //lyxerr[Debug::MATHED] << "reading: text '" << sval_ << "'\n";
+ //lyxerr << "reading: text '" << sval_ << "'\n";
+ latexkeys const * l = in_word_set(sval_);
+ if (!l)
return LM_TK_UNDEF;
if (l->token == LM_TK_BEGIN || l->token == LM_TK_END) {
- LexGetArg('{');
+ string name = lexArg('{');
int i = 0;
- while (i < latex_mathenv_num && yytext != latex_mathenv[i].name)
+ while (i < latex_mathenv_num && name != latex_mathenv[i].name)
++i;
- yylval.i = i;
+ ival_ = i;
} else if (l->token == LM_TK_SPACE)
- yylval.i = l->id;
+ ival_ = l->id;
else
- yylval.l = l;
+ lval_ = l;
return l->token;
}
}
}
-void handle_frac(MathArray & dat, string const & name)
+void Parser::error(string const & msg)
{
- MathFracInset * p = new MathFracInset(name);
- mathed_parse(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
- mathed_parse(p->cell(1), FLAG_BRACE | FLAG_BRACE_LAST);
- dat.push_back(p);
+ lyxerr << "Line ~" << lineno_ << ": Math parse error: " << msg << endl;
}
-MathScriptInset * lastScriptInset(MathArray & array)
-{
- MathInset * p = array.back_inset();
- if (!p || !p->isScriptInset()) {
- p = new MathScriptInset;
- array.push_back(p);
- }
- return static_cast<MathScriptInset *>(p);
-}
-
-}
-
-
-
-static bool curr_num;
-static string curr_label;
-
-void mathed_parse_lines(MathInset * inset, int col, bool numbered, bool outmost)
+void Parser::parse_lines(MathGridInset * p, int col, bool numbered, bool outmost)
{
// save global variables
- bool saved_num = curr_num;
- string saved_label = curr_label;
+ bool const saved_num = curr_num_;
+ string const saved_label = curr_label_;
- MathGridInset * p = static_cast<MathGridInset *>(inset);
for (int row = 0; true; ++row) {
// reset global variables
- curr_num = numbered;
- curr_label = string();
+ curr_num_ = numbered;
+ curr_label_.erase();
// reading a row
int idx = p->nargs() - p->ncols();
for (int i = 0; i < col - 1; ++i, ++idx)
- mathed_parse(p->cell(idx), FLAG_AMPERSAND);
- mathed_parse(p->cell(idx), FLAG_NEWLINE | FLAG_END);
+ parse_into(p->cell(idx), FLAG_AMPERSAND);
+ parse_into(p->cell(idx), FLAG_NEWLINE | FLAG_END);
if (outmost) {
MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
- m->numbered(row, curr_num);
- m->label(row, curr_label);
+ m->numbered(row, curr_num_);
+ m->label(row, curr_label_);
+ if (curr_skip_.size()) {
+ m->vskip(LyXLength(curr_skip_), row);
+ curr_skip_.erase();
+ }
}
- // Hack!
+#ifdef WITH_WARNINGS
+#warning Hack!
+#endif
// no newline
- if (yylval.i != -1)
+ if (ival_ != -1)
break;
p->appendRow();
}
- // restore global variables
- curr_num = saved_num;
- curr_label = saved_label;
+ // restore "global" variables
+ curr_num_ = saved_num;
+ curr_label_ = saved_label;
}
-MathInset * mathed_parse()
+MathMacroTemplate * Parser::parse_macro()
{
- MathInset * p = 0;
- int t = yylex();
+ if (yylex() != LM_TK_NEWCOMMAND) {
+ lyxerr << "\\newcommand expected\n";
+ return 0;
+ }
- switch (t) {
- case LM_TK_NEWCOMMAND: {
- LexGetArg('{');
- string name = yytext.substr(1);
-
- int na = 0;
- unsigned char const c = yyis->peek();
- if (c == '[') {
- LexGetArg('[');
- na = atoi(yytext.c_str());
- }
+ string name = lexArg('{').substr(1);
+ string arg = lexArg('[');
+ int narg = arg.empty() ? 0 : atoi(arg.c_str());
+ MathMacroTemplate * p = new MathMacroTemplate(name, narg);
+ parse_into(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
+ return p;
+}
- p = new MathMacroTemplate(name, na);
- mathed_parse(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
- lyxerr[Debug::MATHED] << "LM_TK_NEWCOMMAND: name: " << name << " na: " << na << "\n";
- break;
- }
+MathMatrixInset * Parser::parse_normal()
+{
+ MathMatrixInset * p = 0;
+ int t = yylex();
+
+ switch (t) {
+ case LM_TK_MATH:
case LM_TK_BEGIN: {
- int i = yylval.i;
- lyxerr[Debug::MATHED] << "reading math environment " << i << " "
+ int i = ival_;
+ lyxerr[Debug::MATHED]
+ << "reading math environment " << i << " "
<< latex_mathenv[i].name << "\n";
MathInsetTypes typ = latex_mathenv[i].typ;
p = new MathMatrixInset(typ);
+
switch (typ) {
case LM_OT_SIMPLE: {
- curr_num = latex_mathenv[i].numbered;
- curr_label = string();
- mathed_parse(p->cell(0), 0);
- MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
- m->numbered(0, curr_num);
- m->label(0, curr_label);
+ curr_num_ = latex_mathenv[i].numbered;
+ curr_label_.erase();
+ parse_into(p->cell(0), 0);
+ p->numbered(0, curr_num_);
+ p->label(0, curr_label_);
break;
}
case LM_OT_EQUATION: {
- curr_num = latex_mathenv[i].numbered;
- curr_label = string();
- mathed_parse(p->cell(0), FLAG_END);
- MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
- m->numbered(0, curr_num);
- m->label(0, curr_label);
+ curr_num_ = latex_mathenv[i].numbered;
+ curr_label_.erase();
+ parse_into(p->cell(0), FLAG_END);
+ p->numbered(0, curr_num_);
+ p->label(0, curr_label_);
break;
}
case LM_OT_EQNARRAY: {
- mathed_parse_lines(p, 3, latex_mathenv[i].numbered, true);
+ parse_lines(p, 3, latex_mathenv[i].numbered, true);
+ break;
+ }
+
+ case LM_OT_ALIGN: {
+ p->halign(lexArg('{'));
+ parse_lines(p, 2, latex_mathenv[i].numbered, true);
break;
}
case LM_OT_ALIGNAT: {
- LexGetArg('{');
- //int c = atoi(yytext.c_str());
- lyxerr[Debug::MATHED] << "LM_OT_ALIGNAT: not implemented\n";
- mathed_parse_lines(p, 2, latex_mathenv[i].numbered, true);
- lyxerr[Debug::MATHED] << "LM_OT_ALIGNAT: par: " << *p << "\n";
+ p->halign(lexArg('{'));
+ parse_lines(p, 2, latex_mathenv[i].numbered, true);
break;
}
default:
- lyxerr[Debug::MATHED] << "1: unknown math environment: " << typ << "\n";
+ lyxerr[Debug::MATHED]
+ << "1: unknown math environment: " << typ << "\n";
}
- p->SetName(latex_mathenv[i].basename);
-
break;
}
default:
- lyxerr[Debug::MATHED] << "2 unknown math environment: " << t << "\n";
+ lyxerr[Debug::MATHED]
+ << "2 unknown math environment: " << t << "\n";
}
return p;
}
-void mathed_parse(MathArray & array, unsigned flags)
+latexkeys const * Parser::read_delim()
{
- int t = yylex();
- int tprev = 0;
- bool panic = false;
- static int plevel = -1;
- yyvarcode = LM_TC_VAR;
-
- int brace = 0;
+ int ld = yylex();
+ //lyxerr << "found symbol: " << ld << "\n";
+ latexkeys const * l = in_word_set(".");
+ switch (ld) {
+ case LM_TK_SYM:
+ case LM_TK_NOGLYPH:
+ case LM_TK_SPECIAL:
+ case LM_TK_BEGIN: {
+ l = lval_;
+ //lyxerr << "found key 1: '" << l << "'\n";
+ //lyxerr << "found key 1: '" << l->name << "'\n";
+ break;
+ }
+ case ']':
+ case '[': {
+ string s;
+ s += ld;
+ l = in_word_set(s);
+ //lyxerr << "found key 2: '" << l->name << "'\n";
+ break;
+ }
+ case LM_TK_STR: {
+ string s;
+ s += ival_;
+ l = in_word_set(s);
+ //lyxerr << "found key 2: '" << l->name << "'\n";
+ }
+ }
+ return l;
+}
+
+
+void Parser::parse_into(MathArray & array, unsigned flags)
+{
+ MathTextCodes yyvarcode = LM_TC_VAR;
+
+ int t = yylex();
+ bool panic = false;
+ int brace = 0;
+ int limits = 0;
- ++plevel;
while (t) {
- //lyxerr << "t: " << t << " flags: " << flags;
+ //lyxerr << "t: " << t << " flags: " << flags << " i: " << ival_
+ // << " '" << sval_ << "'\n";
//array.dump(lyxerr);
//lyxerr << "\n";
- if ((flags & FLAG_BRACE) && t != LM_TK_OPEN) {
- if (!(flags & FLAG_BRACK_ARG) || t != '[') {
- mathPrintError(
- "Expected {. Maybe you forgot to enclose an argument in {}");
- panic = true;
- break;
+ if (flags & FLAG_ITEM) {
+ flags &= ~FLAG_ITEM;
+ if (t == LM_TK_OPEN) {
+ // skip the brace and regard everything to the next matching
+ // closing brace
+ t = yylex();
+ ++brace;
+ flags |= FLAG_BRACE_LAST;
+ } else {
+ // regard only this single token
+ flags |= FLAG_LEAVE;
}
}
+ if ((flags & FLAG_BRACE) && t != LM_TK_OPEN) {
+ error(
+ "Expected {. Maybe you forgot to enclose an argument in {}");
+ panic = true;
+ break;
+ }
+
switch (t) {
case LM_TK_ALPHA:
- array.push_back(yylval.i, yyvarcode);
+ if (!isspace(ival_) || yyvarcode == LM_TC_TEXTRM)
+ array.push_back(new MathCharInset(ival_, yyvarcode));
break;
- case LM_TK_ARGUMENT:
- array.push_back(new MathMacroArgument(yylval.i));
+ case LM_TK_ARGUMENT: {
+ MathMacroArgument * p = new MathMacroArgument(ival_);
+ //p->code(yyvarcode);
+ array.push_back(p);
break;
+ }
case LM_TK_SPECIAL:
- array.push_back(yylval.i, LM_TC_SPECIAL);
+ array.push_back(new MathCharInset(ival_, LM_TC_SPECIAL));
break;
case LM_TK_STR:
- array.push_back(yylval.i, LM_TC_CONST);
+ array.push_back(new MathCharInset(ival_, LM_TC_CONST));
break;
case LM_TK_OPEN:
- ++brace;
- if (flags & FLAG_BRACE_OPT) {
- flags &= ~FLAG_BRACE_OPT;
- flags |= FLAG_BRACE;
- }
-
- if (flags & FLAG_BRACE)
- flags &= ~FLAG_BRACE;
- else
- array.push_back('{', LM_TC_TEX);
+ array.push_back(new MathScopeInset);
+ parse_into(array.back()->cell(0), FLAG_BRACE_LAST);
break;
case LM_TK_CLOSE:
- --brace;
- if (brace < 0) {
- mathPrintError("Unmatching braces");
- panic = true;
- break;
- }
- if (flags & FLAG_BRACE_FONT) {
- yyvarcode = LM_TC_VAR;
- flags &= ~FLAG_BRACE_FONT;
- break;
- }
- if (brace == 0 && (flags & FLAG_BRACE_LAST)) {
- --plevel;
- return;
+ if (flags & FLAG_BRACE_LAST) {
+ flags |= FLAG_LEAVE;
}
- array.push_back('}', LM_TC_TEX);
break;
case '[':
- if (flags & FLAG_BRACK_ARG) {
- flags &= ~FLAG_BRACK_ARG;
- unsigned char const rg = LexGetArg('[');
- if (rg != ']') {
- mathPrintError("Expected ']'");
- panic = true;
- break;
- }
- } else
- array.push_back('[', LM_TC_CONST);
+ array.push_back(new MathCharInset('[', LM_TC_CONST));
break;
case ']':
- if (flags & FLAG_BRACK_END) {
- --plevel;
- return;
- }
- array.push_back(']', LM_TC_CONST);
+ if (flags & FLAG_BRACK_END)
+ flags |= FLAG_LEAVE;
+ else
+ array.push_back(new MathCharInset(']', LM_TC_CONST));
break;
case '^':
- {
- MathArray ar;
- mathed_parse(ar, FLAG_BRACE_OPT | FLAG_BRACE_LAST);
- MathScriptInset * p = lastScriptInset(array);
- p->setData(ar, 0);
- p->up(true);
+ parse_into(
+ lastScriptInset(array, true, false, limits)->cell(0), FLAG_ITEM);
break;
- }
case '_':
- {
- MathArray ar;
- mathed_parse(ar, FLAG_BRACE_OPT | FLAG_BRACE_LAST);
- MathScriptInset * p = lastScriptInset(array);
- p->setData(ar, 1);
- p->down(true);
+ parse_into(
+ lastScriptInset(array, false, true, limits)->cell(1), FLAG_ITEM);
break;
- }
case LM_TK_LIMIT:
- {
- MathScriptInset * p = lastScriptInset(array);
- if (p)
- p->limits(yylval.l->id ? 1 : -1);
+ limits = lval_->id;
+ //lyxerr << "setting limit to " << limits << "\n";
break;
- }
case '&':
- {
if (flags & FLAG_AMPERSAND) {
flags &= ~FLAG_AMPERSAND;
- --plevel;
return;
}
- lyxerr[Debug::MATHED] << "found tab unexpectedly, array: '" << array << "'\n";
+ lyxerr[Debug::MATHED]
+ << "found tab unexpectedly, array: '" << array << "'\n";
break;
- }
case LM_TK_NEWLINE:
{
+ curr_skip_ = lexArg('[');
if (flags & FLAG_NEWLINE) {
flags &= ~FLAG_NEWLINE;
- --plevel;
return;
}
- lyxerr[Debug::MATHED] << "found newline unexpectedly, array: '" << array << "'\n";
+ lyxerr[Debug::MATHED]
+ << "found newline unexpectedly, array: '" << array << "'\n";
break;
}
+ case LM_TK_PROTECT:
+ break;
+
+ case LM_TK_NOGLYPH:
+ case LM_TK_NOGLYPHB:
+ limits = 0;
+ array.push_back(new MathNoglyphInset(lval_));
+ break;
+
case LM_TK_BIGSYM:
- {
- array.push_back(new MathBigopInset(yylval.l->name, yylval.l->id));
+ limits = 0;
+ array.push_back(new MathBigopInset(lval_));
break;
- }
-
+
+ case LM_TK_FUNCLIM:
+ limits = 0;
+ array.push_back(new MathFuncLimInset(lval_));
+ break;
+
case LM_TK_SYM:
- if (yylval.l->id < 256) {
- MathTextCodes tc = MathIsBOPS(yylval.l->id) ? LM_TC_BOPS: LM_TC_SYMB;
- array.push_back(yylval.l->id, tc);
- } else
- array.push_back(new MathFuncInset(yylval.l->name));
+ limits = 0;
+ array.push_back(new MathSymbolInset(lval_));
break;
case LM_TK_BOP:
- array.push_back(yylval.i, LM_TC_BOP);
+ array.push_back(new MathCharInset(ival_, LM_TC_BOP));
break;
case LM_TK_SPACE:
- if (yylval.i >= 0)
- array.push_back(new MathSpaceInset(yylval.i));
+ if (ival_ >= 0)
+ array.push_back(new MathSpaceInset(ival_));
break;
case LM_TK_DOTS:
- array.push_back(new MathDotsInset(yylval.l->name, yylval.l->id));
+ array.push_back(new MathDotsInset(lval_));
break;
- case LM_TK_CHOOSE:
- handle_frac(array, "atop");
- break;
-
case LM_TK_STACK:
- handle_frac(array, "stackrel");
+ {
+ MathStackrelInset * p = new MathStackrelInset;
+ parse_into(p->cell(0), FLAG_ITEM);
+ parse_into(p->cell(1), FLAG_ITEM);
+ array.push_back(p);
break;
+ }
case LM_TK_FRAC:
- handle_frac(array, "frac");
+ {
+ MathFracInset * p = new MathFracInset;
+ parse_into(p->cell(0), FLAG_ITEM);
+ parse_into(p->cell(1), FLAG_ITEM);
+ array.push_back(p);
break;
+ }
case LM_TK_SQRT:
- {
- unsigned char c = getuchar(yyis);
+ {
+ unsigned char c = getuchar();
if (c == '[') {
- MathRootInset * rt = new MathRootInset;
- mathed_parse(rt->cell(0), FLAG_BRACK_END);
- mathed_parse(rt->cell(1), FLAG_BRACE | FLAG_BRACE_LAST);
- array.push_back(rt);
+ array.push_back(new MathRootInset);
+ parse_into(array.back()->cell(0), FLAG_BRACK_END);
+ parse_into(array.back()->cell(1), FLAG_ITEM);
} else {
- yyis->putback(c);
- MathSqrtInset * sq = new MathSqrtInset;
- mathed_parse(sq->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
- array.push_back(sq);
+ is_.putback(c);
+ array.push_back(new MathSqrtInset);
+ parse_into(array.back()->cell(0), FLAG_ITEM);
}
break;
}
case LM_TK_LEFT:
{
- int ld = yylex();
- if (ld == LM_TK_SYM)
- ld = yylval.l->id;
- else if (ld == LM_TK_STR || ld == LM_TK_BOP || ld == LM_TK_SPECIAL)
- ld = yylval.i;
-
+ latexkeys const * l = read_delim();
MathArray ar;
- mathed_parse(ar, FLAG_RIGHT);
-
- int rd = yylex();
- if (rd == LM_TK_SYM)
- rd = yylval.l->id;
- else if (rd == LM_TK_STR || rd == LM_TK_BOP || rd == LM_TK_SPECIAL)
- rd = yylval.i;
-
- MathDelimInset * dl = new MathDelimInset(ld, rd);
- dl->setData(ar, 0);
+ parse_into(ar, FLAG_RIGHT);
+ latexkeys const * r = read_delim();
+ MathDelimInset * dl = new MathDelimInset(l, r);
+ dl->cell(0) = ar;
array.push_back(dl);
break;
}
case LM_TK_RIGHT:
- if (flags & FLAG_RIGHT) {
- --plevel;
+ if (flags & FLAG_RIGHT)
return;
- }
- mathPrintError("Unmatched right delimiter");
+ error("Unmatched right delimiter");
// panic = true;
break;
case LM_TK_FONT:
- yyvarcode = static_cast<MathTextCodes>(yylval.l->id);
- flags |= (FLAG_BRACE | FLAG_BRACE_FONT);
+ {
+ MathTextCodes t = static_cast<MathTextCodes>(lval_->id);
+ MathArray ar;
+ parse_into(ar, FLAG_ITEM);
+ for (MathArray::iterator it = ar.begin(); it != ar.end(); ++it)
+ (*it)->handleFont(t);
+ array.push_back(ar);
+ break;
+ }
+
+ case LM_TK_OLDFONT:
+ yyvarcode = static_cast<MathTextCodes>(lval_->id);
break;
case LM_TK_STY:
{
lyxerr[Debug::MATHED] << "LM_TK_STY not implemented\n";
//MathArray tmp = array;
- //MathSizeInset * p = new MathSizeInset(MathStyles(yylval.l->id));
+ //MathSizeInset * p = new MathSizeInset(MathStyles(lval_->id));
//array.push_back(p);
- //mathed_parse(p->cell(0), FLAG_BRACE_FONT);
+ //parse_into(p->cell(0), FLAG_BRACE_FONT);
break;
}
-
- case LM_TK_WIDE:
+ case LM_TK_DECORATION:
{
- MathDecorationInset * p = new MathDecorationInset(yylval.l->id);
- mathed_parse(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
- array.push_back(p);
- break;
- }
-
- case LM_TK_ACCENT:
- {
- MathAccentInset * p = new MathAccentInset(yylval.l->id);
- mathed_parse(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
+ MathDecorationInset * p = new MathDecorationInset(lval_);
+ parse_into(p->cell(0), FLAG_ITEM);
array.push_back(p);
break;
}
case LM_TK_NONUM:
- curr_num = false;
+ curr_num_ = false;
break;
- case LM_TK_PMOD:
case LM_TK_FUNC:
- //if (accent)
- // array.push_back(t, LM_TC_CONST);
- //else
- array.push_back(new MathFuncInset(yylval.l->name));
+ array.push_back(new MathSymbolInset(lval_));
break;
- case LM_TK_FUNCLIM:
- array.push_back(new MathFuncInset(yylval.l->name, LM_OT_FUNCLIM));
- break;
-
case LM_TK_UNDEF:
- if (MathMacroTable::hasTemplate(yytext)) {
- MathMacro * m = MathMacroTable::cloneTemplate(yytext);
+ if (MathMacroTable::hasTemplate(sval_)) {
+ MathMacro * m = MathMacroTable::cloneTemplate(sval_);
for (int i = 0; i < m->nargs(); ++i)
- mathed_parse(m->cell(i), FLAG_BRACE_OPT | FLAG_BRACE_LAST);
+ parse_into(m->cell(i), FLAG_ITEM);
array.push_back(m);
- m->Metrics(LM_ST_TEXT);
+ m->metrics(LM_ST_TEXT);
} else
- array.push_back(new MathFuncInset(yytext, LM_OT_UNDEF));
+ array.push_back(new MathFuncInset(sval_));
break;
+ case LM_TK_MATH:
case LM_TK_END:
- --plevel;
return;
case LM_TK_BEGIN:
{
- int i = yylval.i;
+ int i = ival_;
MathInsetTypes typ = latex_mathenv[i].typ;
if (typ == LM_OT_MATRIX) {
- string valign = "\0";
- unsigned char rg = LexGetArg(0);
- if (rg == ']') {
- valign = yytext;
- rg = LexGetArg('{');
- }
-
- string halign = yytext;
- MathArrayInset * mm = new MathArrayInset(halign.size(), 1);
- valign += 'c';
- mm->valign(valign[0]);
- mm->halign(halign);
-
- mathed_parse_lines(mm, halign.size(), latex_mathenv[i].numbered, false);
- array.push_back(mm);
- //lyxerr << "read matrix " << *mm << "\n";
+ string const valign = lexArg('[') + 'c';
+ string const halign = lexArg('{');
+ //lyxerr << "valign: '" << valign << "'\n";
+ //lyxerr << "halign: '" << halign << "'\n";
+ MathArrayInset * m = new MathArrayInset(halign.size(), 1);
+ m->valign(valign[0]);
+ m->halign(halign);
+
+ parse_lines(m, halign.size(), latex_mathenv[i].numbered, false);
+ array.push_back(m);
+ //lyxerr << "read matrix " << *m << "\n";
break;
} else
lyxerr[Debug::MATHED] << "unknow math inset " << typ << "\n";
}
case LM_TK_MACRO:
- array.push_back(MathMacroTable::cloneTemplate(yylval.l->name));
+ array.push_back(MathMacroTable::cloneTemplate(lval_->name));
break;
case LM_TK_LABEL:
- {
- unsigned char const rg = LexGetArg('\0', true);
- if (rg != '}') {
- mathPrintError("Expected '{'");
- // debug info
- lyxerr[Debug::MATHED] << "[" << yytext << "]" << endl;
- panic = true;
- break;
- }
- //lyxerr << " setting label to " << yytext << "\n";
- curr_label = yytext;
+ curr_label_ = lexArg('{', true);
break;
- }
default:
- mathPrintError("Unrecognized token");
- lyxerr[Debug::MATHED] << "[" << t << " " << yytext << "]" << endl;
+ error("Unrecognized token");
+ lyxerr[Debug::MATHED] << "[" << t << " " << sval_ << "]" << endl;
break;
} // end of big switch
-
- tprev = t;
+
+ if (flags & FLAG_LEAVE) {
+ flags &= ~FLAG_LEAVE;
+ break;
+ }
+
if (panic) {
lyxerr << " Math Panic, expect problems!" << endl;
// Search for the end command.
do {
t = yylex();
- } while (t != LM_TK_END && t);
- } else
+ } while (is_.good() && t != LM_TK_END && t);
+ } else {
t = yylex();
-
- if (flags & FLAG_BRACE_OPT) {
- flags &= ~FLAG_BRACE_OPT;
- break;
}
}
- --plevel;
}
-MathInset * mathed_parse(istream & is)
+void parse_end(LyXLex & lex, int lineno)
{
- yyis = &is;
- yylineno = 0;
- return mathed_parse();
-}
-
-
-MathInset * mathed_parse(LyXLex & lex)
-{
- yyis = &lex.getStream();
- yylineno = lex.GetLineNo();
-
- MathInset * p = mathed_parse();
-
// Update line number
- lex.setLineNo(yylineno);
+ lex.setLineNo(lineno);
// reading of end_inset
- while (lex.IsOK()) {
+ while (lex.isOK()) {
lex.nextToken();
- if (lex.GetString() == "\\end_inset")
+ if (lex.getString() == "\\end_inset")
break;
lyxerr[Debug::MATHED] << "InsetFormula::Read: Garbage before \\end_inset,"
" or missing \\end_inset!" << endl;
}
+}
+} // anonymous namespace
+
+
+
+MathArray mathed_parse_cell(string const & str)
+{
+ istringstream is(str.c_str());
+ Parser parser(is);
+ MathArray ar;
+ parser.parse_into(ar, 0);
+ return ar;
+}
+
+
+
+MathMacroTemplate * mathed_parse_macro(string const & str)
+{
+ istringstream is(str.c_str());
+ Parser parser(is);
+ return parser.parse_macro();
+}
+
+MathMacroTemplate * mathed_parse_macro(istream & is)
+{
+ Parser parser(is);
+ return parser.parse_macro();
+}
+
+MathMacroTemplate * mathed_parse_macro(LyXLex & lex)
+{
+ Parser parser(lex);
+ MathMacroTemplate * p = parser.parse_macro();
+ parse_end(lex, parser.lineno());
+ return p;
+}
+
+
+
+MathMatrixInset * mathed_parse_normal(string const & str)
+{
+ istringstream is(str.c_str());
+ Parser parser(is);
+ return parser.parse_normal();
+}
+
+MathMatrixInset * mathed_parse_normal(istream & is)
+{
+ Parser parser(is);
+ return parser.parse_normal();
+}
+
+MathMatrixInset * mathed_parse_normal(LyXLex & lex)
+{
+ Parser parser(lex);
+ MathMatrixInset * p = parser.parse_normal();
+ parse_end(lex, parser.lineno());
return p;
}
+
projects / lyx.git / blobdiff