a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Completed support for config file comments @. Updated framework for upcoming goodies.

Browse Source
This commit is contained in:
n-a-c-h
2005-10-31 18:02:21 +00:00
parent 968cf3dd24
commit f6834344ef
1 changed files with 99 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

128
zsnes/src/parsegen.cpp
View File

@@ -290,6 +290,28 @@ bool all_spaces(const char *str)
return(true);
}
string encode_string(string& str, bool quotes = true)
{
string newstr("");
if (quotes) { newstr += '\"'; }
for (size_t i = 0; i < str.length(); i++)
{
if ((str[i] == '\\') ||
(str[i] == '\"') ||
(str[i] == '\'') ||
(str[i] == '\n') ||
(str[i] == '\t'))
{
newstr += '\\';
}
newstr += str[i];
}
if (quotes) { newstr += '\"'; }
return(newstr);
}
/*
Structures used to store config data
@@ -371,7 +393,7 @@ namespace variable
}
public:
void add_comment(string& comment)
void add_comment(string comment)
{
config_data_element new_element = { "", none, NT, 0, comment };
data_array.push_back(new_element);
@@ -442,31 +464,6 @@ Compiler with it's helper functions
#define short_scale "*sizeof(short)"
#define int_scale "*sizeof(int)"
//Return the comment from global line variable
char *get_comment()
{
char *comment = find_chr(line, ';');
if (comment)
{
*comment = 0;
comment++;
if (isspace(comment[strlen(comment)-1]))
{
comment[strlen(comment)-1] = 0;
}
}
return(comment);
}
void output_comment(ostream& c_stream, const char *comment)
{
if (comment)
{
c_stream << " //" << comment;
}
c_stream << "\n";
}
//Convert asm types to C types
char *convert_asm_type(const char *str, bool unsigned_var = true)
{
@@ -657,7 +654,7 @@ void output_array_write(ostream& c_stream, variable::ctype type)
if (variable::config_data.ctype_mult_used(type))
{
c_stream << "\n"
<< "static void write_" << variable::info[type].CTypeUnderscore << "_array(FILE *fp, const char *var_name, " << variable::info[type].CTypeSpace << " *var, size_t size)\n"
<< "static void write_" << variable::info[type].CTypeUnderscore << "_array(FILE *fp, const char *var_name, " << variable::info[type].CTypeSpace << " *var, size_t size, const char *comment)\n"
<< "{\n"
<< " size_t i;\n"
<< " fprintf(fp, \"%s=%" << variable::info[type].FormatChar << "\", var_name, (int)*var);\n"
@@ -665,6 +662,10 @@ void output_array_write(ostream& c_stream, variable::ctype type)
<< " {\n"
<< " fprintf(fp, \",%" << variable::info[type].FormatChar << "\", (int)(var[i]));\n"
<< " }\n"
<< " if (comment)\n"
<< " {\n"
<< " fprintf(fp, \" ;%s\", comment);\n"
<< " }\n"
<< " fprintf(fp, \"\\n\");\n"
<< "}\n";
}
@@ -690,21 +691,26 @@ void output_write_var(ostream& c_stream)
<< " {\n";
for (variable::config_data_array::iterator i = variable::config_data.begin(); i != variable::config_data.end(); i++)
{
if (i->format == variable::mult)
if (i->format == variable::none)
{
c_stream << " fprintf(fp, \";%s\\n\", " << encode_string(i->comment) << ");\n";
}
else if (i->format == variable::mult)
{
c_stream << " write_" << variable::info[i->type].CTypeUnderscore
<< "_array(fp, \"" << i->name << "\", " << i->name << ", " << i->length << ");\n";
<< "_array(fp, \"" << i->name << "\", " << i->name << ", " << i->length << ", " << ((i->comment != "") ? encode_string(i->comment) : "0") << ");\n";
}
else
{
string config_comment = (i->comment != "") ? (string(" ;") + encode_string(i->comment, false)) : "";
c_stream << " fprintf(fp, \"" << i->name << "=";
if (i->format == variable::single)
{
c_stream << "%" << variable::info[i->type].FormatChar << "\\n\", " << i->name;
c_stream << "%" << variable::info[i->type].FormatChar << config_comment << "\\n\", " << i->name;
}
else
else if (i->format == variable::quoted)
{
c_stream << "%s\\n\", encode_string(" << i->name << ")";
c_stream << "%s" << config_comment << "\\n\", encode_string(" << i->name << ")";
}
c_stream << ");\n";
}
@@ -780,6 +786,8 @@ void output_read_var(ostream& c_stream)
<< " }\n"
<< "\n";
for (variable::config_data_array::iterator i = variable::config_data.begin(); i != variable::config_data.end(); i++)
{
if (i->format != variable::none)
{
c_stream << " if (!strcmp(var, \"" + i->name + "\")) { ";
if (i->format == variable::single)
@@ -791,13 +799,14 @@ void output_read_var(ostream& c_stream)
c_stream << "read_" << variable::info[i->type].CTypeUnderscore
<< "_array(value, " << i->name << ", " << i->length << ");";
}
else
else if (i->format == variable::quoted)
{
c_stream << "*" << i->name << " = 0; "
<< "strncat(" << i->name << ", decode_string(value), sizeof(" << i->name << ")-1);";
}
c_stream << " continue; }\n";
}
}
c_stream << " }\n"
<< "\n"
<< " fclose(fp);\n"
@@ -931,6 +940,33 @@ void handle_directive(char *instruction, char *label)
}
}
//Return the comment from global line variable
char *get_comment(char comment_seperator)
{
char *comment = find_chr(line, comment_seperator);
if (comment)
{
*comment = 0;
comment++;
if (isspace(comment[strlen(comment)-1]))
{
comment[strlen(comment)-1] = 0;
}
}
return(comment);
}
void output_parser_comment(ostream& c_stream, const char *comment)
{
if (comment)
{
c_stream << " //" << comment;
}
c_stream << "\n";
}
#define CONFIG_COMMENT (config_comment ? config_comment : "")
void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_stream)
{
current_location.line_number = current_location.column_number = 0;
@@ -945,16 +981,25 @@ void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_st
while (!psr_stream.eof())
{
char *token;
char *comment;
char *parser_comment;
char *config_comment;
psr_stream.getline(line, LINE_LENGTH);
current_location.line_number++;
comment = get_comment();
parser_comment = get_comment(';');
if (all_spaces(line))
{
output_comment(c_stream, comment);
output_parser_comment(c_stream, parser_comment);
continue;
}
config_comment = get_comment('@');
if (all_spaces(line) && config_comment)
{
variable::config_data.add_comment(config_comment);
continue;
}
@@ -1014,8 +1059,7 @@ void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_st
<< varname << "[" << array << "] = 0;";
}
memsets.push_back(memset_line.str());
variable::config_data.add_var_quoted(varname);
variable::config_data.add_var_quoted(varname, CONFIG_COMMENT);
}
else
{
@@ -1058,7 +1102,7 @@ void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_st
var_init << init_value_num << "%d}";
}
variable::config_data.add_var_mult(varname, var_type, array);
variable::config_data.add_var_mult(varname, var_type, array, CONFIG_COMMENT);
}
else
{
@@ -1073,13 +1117,13 @@ void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_st
} while((token = get_token(0, " ,\n")));
var_init << "}";
variable::config_data.add_var_mult(varname, var_type, array);
variable::config_data.add_var_mult(varname, var_type, array, CONFIG_COMMENT);
}
else
{
var_init << " = " << init_value_num;
variable::config_data.add_var_single(varname, var_type);
variable::config_data.add_var_single(varname, var_type, CONFIG_COMMENT);
}
}
var_init << ";";
@@ -1116,7 +1160,7 @@ void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_st
current_location.error("Could not get variable name");
}
output_comment(c_stream, comment);
output_parser_comment(c_stream, parser_comment);
}
output_init_var(c_stream);