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author | 2011-07-11 00:40:17 +0200 | |
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committer | 2011-07-11 00:40:17 +0200 | |
commit | 6fdd658b3ce99b078c85687620ecbcf1dae5584d (patch) | |
tree | e0d74e79f78e5fb969fc2206d7cf578e2b429a2a | |
parent | More work on the autoconf parser (diff) | |
download | ebuildgen-6fdd658b3ce99b078c85687620ecbcf1dae5584d.tar.gz ebuildgen-6fdd658b3ce99b078c85687620ecbcf1dae5584d.tar.bz2 ebuildgen-6fdd658b3ce99b078c85687620ecbcf1dae5584d.zip |
The autoconf parser now parser whole files
-rw-r--r-- | filetypes/autoconf.py | 128 |
1 files changed, 83 insertions, 45 deletions
diff --git a/filetypes/autoconf.py b/filetypes/autoconf.py index 52a29d8..09bf87d 100644 --- a/filetypes/autoconf.py +++ b/filetypes/autoconf.py @@ -9,6 +9,7 @@ def scanacfile(acfile): tokens = ( "FUNC", + "COMPFUNC", #complete func "FUNCOPT", #func options "FUNCEND", "VAR", @@ -24,13 +25,15 @@ def scanacfile(acfile): "CASEOPT", "COPTEND", #case opt end, doesn't need to be there but SHOULD "CASEEND", + "COMMA", ) states = ( - ("func", "exclusive"), + ("func", "inclusive"), ("funcopt", "exclusive"), ("case", "inclusive"), ("if", "inclusive"), + ("shellcom", "exclusive"), ) def t_contline(t): @@ -42,12 +45,38 @@ def scanacfile(acfile): r"[ \t]" pass - def t_ANY_newline(t): + def t_newline(t): r"\n" t.lexer.lineno += 1 pass - def t_INITIAL_func_FUNC(t): + def t_shfunc(t): #shell func + r'[a-zA-Z_][a-zA-Z0-9_]*\(\)[ \t]*{' + t.lexer.level = 1 + t.lexer.push_state("shellcom") + + def t_shellcom_text(t): + r"[^{}]+" + + def t_shellcom_opb(t): + r"{" + t.lexer.level +=1 + + def t_shellcom_opc(t): + r"}" + t.lexer.level -=1 + + if t.lexer.level == 0: + t.lexer.pop_state() + pass + + def t_COMPFUNC(t): + r'[a-zA-Z_][a-zA-Z0-9_]*\([^\\[\](\),]*\)' + values = t.value.split("(") + t.value = [values[0],values[1][:-1]] + return t + + def t_FUNC(t): r'[a-zA-Z_][a-zA-Z0-9_]*\(' t.lexer.push_state('func') t.value = t.value[:-1] #return name of func @@ -82,25 +111,10 @@ def scanacfile(acfile): def t_funcopt_contline(t): r"\\\n" - def t_func_FUNCOPT(t): - r"[^\\\(\)\[\],]+" - t.lexer.lineno += t.value.count('\n') + def t_func_COMMA(t): + r"," return t - def t_func_comma(t): - r"[ \t]*,(,|[ \t])*" - numcommas = t.value.count(',') - if numcommas > 1: - numcommas -= 1 #,,, -> ,[],[], - t.type = "FUNCOPT" - t.value = [] - while numcommas: - numcommas -= 1 - t.value += ["[]"] - return t - else: - pass - def t_func_FUNCEND(t): r"\)" t.lexer.pop_state() @@ -117,7 +131,8 @@ def scanacfile(acfile): return t def t_VAR(t): - r"[a-zA-Z_][a-zA-Z0-9_]*=([^;\\\n]|\\\n)*\n" + #take var=text, var="text text", var='text text', var=`text text` + r"[a-zA-Z_][a-zA-Z0-9_]*=(\"[^\"]*\"|\'[^\']*\'|\`[^\`]*\`|[^() \t,\n]*)+" t.lexer.lineno += t.value.count('\n') return t @@ -173,7 +188,7 @@ def scanacfile(acfile): return t def t_TEXT(t): #most likely commands like "AM_INIT_AUTOMAKE" etc. - r"[^ ;\t\n\(\)]+" + r"([^ ;,\t\n\(\)]+|\([^() \t\n]*\))" return t def t_ANY_error(t): @@ -190,24 +205,36 @@ def scanacfile(acfile): def p_complst(p): """ - complst : complst TEXT + complst : complst text | complst ECHO | complst func | complst VAR | complst ifcomp | complst case - | TEXT + | complst FUNCOPT + | text | ECHO | func | VAR | ifcomp | case + | FUNCOPT """ if len(p) == 3: p[0] = p[1] + [p[2]] else: p[0] = [p[1]] + def p_text(p): + """ + text : text TEXT + | TEXT + """ + if len(p) == 3: + p[0] = p[1] + " " + p[2] + else: + p[0] = p[1] + def p_case(p): """ case : CASE caseopt CASEEND @@ -277,35 +304,46 @@ def scanacfile(acfile): def p_func(p): """ func : FUNC funcopt FUNCEND + | COMPFUNC """ - p[0] = [p[1],p[2]] + if len(p) == 2: + p[0] = p[1] #this is already ordered + else: + p[0] = [p[1],p[2]] - def p_funcopt3(p): + def p_funccomma(p): """ - funcopt : funcopt func + funcopt : funcopt COMMA + | COMMA complst + | COMMA """ - p[0] = p[1] + [p[2]] + if len(p) == 3: + if isinstance(p[2],list): + if len(p[2]) > 1: + p[0] = [[]] + [p[2]] + else: + p[0] = [[]] + p[2] - def p_funcopt2(p): - """ - funcopt : func funcopt - """ - p[0] = [p[1]] + p[2] + else: + p[0] = p[1] + [[]] + else: + p[0] = [[]] def p_funcopt(p): """ - funcopt : funcopt FUNCOPT - | FUNCOPT + funcopt : funcopt COMMA complst + | complst """ - if len(p) == 3: - if isinstance(p[2], list): - p[0] = p[1] + p[2] + if len(p) == 4: + if len(p[3]) > 1: + p[0] = p[1] + [p[3]] else: - p[0] = p[1] + [p[2]] - elif isinstance(p[1], list): - p[0] = p[1] + p[0] = p[1] + p[3] else: - p[0] = [p[1]] + if len(p[1]) > 1: + p[0] = [p[1]] + else: + p[0] = p[1] def p_error(p): print("syntax error at '%s'" % p.type,p.value) @@ -314,10 +352,10 @@ def scanacfile(acfile): yacc.yacc() items = yacc.parse(acfile) - for item in items: - print(item) + #for item in items: + # print(item) -file="configure.in" +file="configure.ac" with open(file, encoding="utf-8", errors="replace") as inputfile: scanacfile(inputfile.read()) |