def testExternalTemplate(self):
templates = textwrap.dedent('''\
group T;
expr(args, op) ::= <<
[<args; separator={<op>}>]
>>
''')
group = stringtemplate3.StringTemplateGroup(file=StringIO(templates),
lexer='angle-bracket')
grammar = textwrap.dedent(r'''grammar T2;
options {
language=Python;
output=template;
}
a : r+=arg OP r+=arg
-> expr(op={$OP.text}, args={$r})
;
arg: ID -> template(t={$ID.text}) "<t>";
ID : 'a'..'z'+;
OP: '+';
WS : (' '|'\n') {$channel=HIDDEN;} ;
''')
found = self.execParser(grammar, 'a', "a + b", group)
self.failUnlessEqual("[a+b]", found)
def testIndirectTemplateConstructor(self):
templates = textwrap.dedent('''\
group T;
expr(args, op) ::= <<
[<args; separator={<op>}>]
>>
''')
group = stringtemplate3.StringTemplateGroup(file=StringIO(templates),
lexer='angle-bracket')
grammar = textwrap.dedent(r'''grammar T;
options {
language=Python;
output=template;
}
a: ID
{
$st = %({"expr"})(args={[1, 2, 3]}, op={"+"})
}
;
ID : 'a'..'z'+;
WS : (' '|'\n') {$channel=HIDDEN;} ;
''')
found = self.execParser(grammar, 'a', "abc", group)
self.failUnlessEqual("[1+2+3]", found)
def main(infile, outfile, args):
# Use the constructor that accepts a Reader
group = stringtemplate.StringTemplateGroup(file=(open(infile, "r")))
#StringTemplateGroup.registerGroupLoader(CommonGroupLoader(infile,ErrorManager.getStringTemplateErrorListener()))
#group = StringTemplateGroup.loadGroup()
t = group.getInstanceOf("template")
t["args"] = args
out = str(t)
#print out
writer = open(outfile, "w")
writer.write(out)
writer.close()
def initialize_stg(stgfile='iv.st'):
''' Load the STG backend and set gobal STG pointer '''
global STG
# Load the file containing a group of templates
STG = stringtemplate3.StringTemplateGroup(file=open(stgfile))
def __init__(self, templateFile):
self.templateFile = templateFile
self.templates = stringtemplate3.StringTemplateGroup(
file=open(self.templateFile, 'r'),
lexer='default'
)
import sys
import antlr3
import stringtemplate3
from CMinusParser import CMinusParser
from CMinusLexer import CMinusLexer
if len(sys.argv) == 2:
templateFileName = "Java.stg"
inputFileName = sys.argv[1]
elif len(sys.argv) == 3:
templateFileName = sys.argv[1]
inputFileName = sys.argv[2]
else:
sys.stderr.write(repr(sys.argv) + '\n')
sys.exit(1)
templates = stringtemplate3.StringTemplateGroup(
file=open(templateFileName, 'r'),
lexer='angle-bracket'
)
cStream = antlr3.ANTLRFileStream(inputFileName)
lexer = CMinusLexer(cStream)
tStream = antlr3.CommonTokenStream(lexer)
parser = CMinusParser(tStream)
parser.templateLib = templates
r = parser.program()
print r.st.toString()
