diff options
Diffstat (limited to 'filetypes/makefilecom.py')
-rw-r--r-- | filetypes/makefilecom.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/filetypes/makefilecom.py b/filetypes/makefilecom.py new file mode 100644 index 0000000..6bfd29b --- /dev/null +++ b/filetypes/makefilecom.py @@ -0,0 +1,82 @@ +from ply import lex +from ply import yacc + +def com_interp(string): + tokens = ( + "COMMAND", + "COMMA", + "EQ", + "TEXT", + "PERCENT", + ) + states = ( + ("ccode", "exclusive"), #command code + ) + + # Match the first $(. Enter ccode state. + def t_ccode(t): + r'\$(\{|\()' + t.lexer.code_start = t.lexer.lexpos # Record the starting position + t.lexer.level = 1 # Initial level + t.lexer.begin('ccode') # Enter 'ccode' state + + # Rules for the ccode state + def t_ccode_newcom(t): + r'\$(\{|\()' + t.lexer.level +=1 + + def t_ccode_endcom(t): + r'(\}|\))' + t.lexer.level -=1 + + # If closing command, return the code fragment + if t.lexer.level == 0: + t.value = t.lexer.lexdata[t.lexer.code_start:t.lexer.lexpos-1] + t.type = "COMMAND" + t.lexer.begin('INITIAL') + return t + + def t_ccode_text(t): + "[^\$\(\{\)\}]" + + def t_PERCENT(t): + r"\%" + return t + + def t_EQ(t): + r"=" + return t + + def t_COMMA(t): + r"," + return t + + def t_TEXT(t): + r"[^ \n\t:=\\,]+" + return t + + def t_spacetab(t): + r"[ \t]" + pass + + def t_ANY_error(t): + print("Illegal character '%s'" % t.value[0]) + t.lexer.skip(1) + + lexer = lex.lex() + + lexer.input(string) + #for tok in lexer: + # print(tok) + + tokens = 0 + for tok in lexer: + tokens += 1 + print("gethere") + + print(tokens) + if tokens == 1: + print("gapp") + + +com_interp("HELOO") |