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macroprocessor: add support for passing macro values to @#include statement, closes #848

issue#70
Houtan Bastani 2015-02-24 14:41:29 +01:00
parent 431e9e596a
commit 5498783e4c
1 changed files with 26 additions and 0 deletions
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26
macro/MacroFlex.ll
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@ -84,6 +84,32 @@ CONT \\\\
BEGIN(INITIAL);
}
<INITIAL>^{SPC}*@#{SPC}*include{SPC}+[^\"\r\n]*{SPC}*{EOL} {
yylloc->lines(1);
yylloc->step();
// Get variable name
string *modvarname = new string(yytext);
int dblq_idx1 = modvarname->find("include");
modvarname->erase(0, dblq_idx1 + 7);
modvarname->erase(0, modvarname->find_first_not_of(" \t"));
size_t p = modvarname->find_last_not_of(" \t\n\r");
if (string::npos != p)
modvarname->erase(p+1);
string *filename;
try
{
filename = new string(driver.get_variable(*modvarname)->toString());
}
catch(MacroDriver::UnknownVariable(&e))
{
driver.error(*yylloc, "Unknown variable: " + *modvarname);
}
create_include_context(filename, yylloc, driver);
BEGIN(INITIAL);
}
<INITIAL>^{SPC}*@# { yylloc->step(); BEGIN(STMT); }
<INITIAL>@\{ { yylloc->step(); BEGIN(EXPR); }