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openscad
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Code Issues Releases Wiki Activity

Added support for nested includes.

stl_dim
Giles Bathgate 2010-12-03 17:43:00 +00:00
parent ff249dfefb
commit 5ef31011f3
1 changed files with 56 additions and 16 deletions
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72
src/lexer.l
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@ -28,6 +28,7 @@
#include "openscad.h"
#include "printutils.h"
#include "parser_yacc.h"
#include <QStack>
#include <QFileInfo>
#include <QDir>
QString* stringcontents;
@ -58,35 +59,33 @@ extern const char *parser_source_path;
} \
}
void includefile();
QDir sourcepath();
QStack<QDir> path_stack;
QString filename;
QString filepath;
%}
%option yylineno
%option noyywrap
%x comment string
%x include path
DIGIT [0-9]
%%
include[ \t\r\n>]*"<"[^ \t\r\n>]+">" {
QString filename(yytext);
filename.remove(QRegExp("^include[ \t\r\n>]*<"));
filename.remove(QRegExp(">$"));
QFileInfo finfo(QDir(parser_source_path), filename);
if (!finfo.exists()) {
finfo = QFileInfo(QDir(librarydir), filename);
}
handle_dep(finfo.absoluteFilePath());
yyin = fopen(finfo.absoluteFilePath().toLocal8Bit(), "r");
if (!yyin) {
PRINTA("WARNING: Can't open input file `%1'.", filename);
} else {
yypush_buffer_state(yy_create_buffer( yyin, YY_BUF_SIZE ));
BEGIN(INITIAL);
}
include[ \t\r\n>]*"<" { BEGIN(include); }
<include>{
<path>[^\t\r\n>]+"/" { filepath = yytext; }
<path>[^\t\r\n>/]+ { filename = yytext; }
<path>">" { BEGIN(INITIAL); includefile(); }
}
use[ \t\r\n>]*"<"[^ \t\r\n>]+">" {
QString filename(yytext);
filename.remove(QRegExp("^use[ \t\r\n>]*<"));
@ -121,6 +120,8 @@ use[ \t\r\n>]*"<"[^ \t\r\n>]+">" {
}
<<EOF>> {
if(!path_stack.isEmpty())
path_stack.pop();
if (yyin && yyin != stdin)
fclose(yyin);
yypop_buffer_state();
@ -169,3 +170,42 @@ use[ \t\r\n>]*"<"[^ \t\r\n>]+">" {
. { return yytext[0]; }
%%
QDir sourcepath()
{
if(!path_stack.isEmpty())
return path_stack.top();
return QDir(parser_source_path);
}
void includefile()
{
if(filename.isEmpty())
return;
if(filepath.isEmpty()) {
path_stack.push(sourcepath());
} else {
QFileInfo dirinfo(sourcepath(),filepath);
path_stack.push(dirinfo.dir());
filepath.clear();
}
QFileInfo finfo(sourcepath(), filename);
if (!finfo.exists()) {
finfo = QFileInfo(QDir(librarydir), filename);
}
handle_dep(finfo.absoluteFilePath());
yyin = fopen(finfo.absoluteFilePath().toLocal8Bit(), "r");
if (!yyin) {
PRINTA("WARNING: Can't open input file `%1'.", filename);
return;
}
filename.clear();
yypush_buffer_state(yy_create_buffer( yyin, YY_BUF_SIZE ));
}