Move source code into Source folder and add a single header generator"
This commit is contained in:
@@ -0,0 +1,250 @@
|
||||
#if !defined(DN_CPP_FILE_H)
|
||||
#define DN_CPP_FILE_H
|
||||
|
||||
#include <stdio.h> /// printf, fputc
|
||||
#include <stdarg.h> /// va_list...
|
||||
#include <assert.h> /// assert
|
||||
|
||||
typedef struct DN_CppFile { ///< Maintains state for printing C++ style formatted files
|
||||
FILE *file; ///< (Write) File to print to
|
||||
int indent; ///< Current indent level of the printer
|
||||
int space_per_indent; ///< (Write) Number of spaces per indent
|
||||
unsigned char if_chain[256]; ///
|
||||
unsigned char if_chain_size; ///
|
||||
} DN_CppFile;
|
||||
|
||||
#define DN_CppSpacePerIndent(cpp) ((cpp) && (cpp)->space_per_indent) ? ((cpp)->space_per_indent) : 4
|
||||
|
||||
/// Print the format string indented and terminate the string with a new-line.
|
||||
void DN_CppLineV(DN_CppFile *cpp, char const *fmt, va_list args);
|
||||
void DN_CppLine(DN_CppFile *cpp, char const *fmt, ...);
|
||||
|
||||
/// Print the format string indented
|
||||
void DN_CppPrintV(DN_CppFile *cpp, char const *fmt, va_list args);
|
||||
void DN_CppPrint(DN_CppFile *cpp, char const *fmt, ...);
|
||||
|
||||
/// Print the format string
|
||||
#define DN_CppAppend(cpp, fmt, ...) fprintf((cpp)->file, fmt, ##__VA_ARGS__)
|
||||
#define DN_CppAppendV(cpp, fmt, args) vfprintf((cpp)->file, fmt, args)
|
||||
|
||||
/// End the current line, useful after CppPrint and CppAppend
|
||||
#define DN_CppNewLine(cpp) fputc('\n', (cpp)->file)
|
||||
|
||||
/// Manually modify the indent level
|
||||
#define DN_CppIndent(cpp) (cpp)->indent++
|
||||
#define DN_CppUnindent(cpp) (cpp)->indent--; assert((cpp)->indent >= 0)
|
||||
|
||||
/// Block scope functions that execute a function on entry and exit of the
|
||||
/// scope by exploiting the comma operator and a for loop.
|
||||
///
|
||||
/// @code
|
||||
/// DN_CppEnumBlock(cpp, "abc") {
|
||||
/// printf("Hello world!");
|
||||
/// }
|
||||
///
|
||||
/// // Is equivalent to
|
||||
///
|
||||
/// DN_CppBeginBlock(cpp, "abc");
|
||||
/// printf("Hello world!");
|
||||
/// DN_CppEndEnumBlock(cpp);
|
||||
/// @endcode
|
||||
|
||||
#define DN_CppEnumBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginEnumBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndEnumBlock(cpp), false))
|
||||
|
||||
#define DN_CppForBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginForBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndForBlock(cpp), false))
|
||||
|
||||
#define DN_CppWhileBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginWhileBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndWhileBlock(cpp), false))
|
||||
|
||||
#define DN_CppIfOrElseIfBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginIfOrElseIfBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndIfOrElseIfBlock(cpp), false))
|
||||
|
||||
#define DN_CppElseBlock(cpp) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginElseBlock(cpp), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndElseBlock(cpp), false))
|
||||
|
||||
#define DN_CppFuncBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginFuncBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndFuncBlock(cpp), false))
|
||||
|
||||
#define DN_CppStructBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginStructBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndStructBlock(cpp), false))
|
||||
|
||||
#define DN_CppSwitchBlock(cpp, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginSwitchBlock(cpp, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndSwitchBlock(cpp), false))
|
||||
|
||||
#define DN_CppBlock(cpp, ending, fmt, ...) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = \
|
||||
(DN_CppBeginBlock(cpp, false /*append*/, fmt, ##__VA_ARGS__), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndBlock(cpp, ending), false))
|
||||
|
||||
#define DN_CppIfChain(cpp) \
|
||||
for (bool DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppBeginIfChain(cpp), true); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__); \
|
||||
DN_CPP_TOKEN_PASTE_(once_, __LINE__) = (DN_CppEndIfChain(cpp), false))
|
||||
|
||||
/// Print the format string followed by a "{" and enter a new line whilst
|
||||
/// increasing the indent level after the brace.
|
||||
void DN_CppBeginBlock (DN_CppFile *cpp, bool append, char const *fmt, ...);
|
||||
void DN_CppBeginBlockV(DN_CppFile *cpp, bool append, char const *fmt, va_list args);
|
||||
void DN_CppEndBlock (DN_CppFile *cpp, char const *ending);
|
||||
|
||||
/// Begin/End a block, specifically for the following language constructs.
|
||||
#define DN_CppBeginEnumBlock(cpp, fmt, ...) DN_CppBeginBlock(cpp, false /*append*/, "enum " fmt, ##__VA_ARGS__)
|
||||
#define DN_CppEndEnumBlock(cpp) DN_CppEndBlock(cpp, ";\n")
|
||||
|
||||
#define DN_CppBeginWhileBlock(cpp, fmt, ...) DN_CppBeginBlock(cpp, false /*append*/, "while (" fmt ")", ##__VA_ARGS__)
|
||||
#define DN_CppEndWhileBlock(cpp) DN_CppEndBlock(cpp, "\n")
|
||||
|
||||
#define DN_CppBeginForBlock(cpp, fmt, ...) DN_CppBeginBlock(cpp, false /*append*/, "for (" fmt ")", ##__VA_ARGS__)
|
||||
#define DN_CppEndForBlock(cpp) DN_CppEndBlock(cpp, "\n")
|
||||
|
||||
#define DN_CppBeginFuncBlock(cpp, fmt, ...) DN_CppBeginBlock(cpp, false /*append*/, fmt, ##__VA_ARGS__)
|
||||
#define DN_CppEndFuncBlock(cpp) DN_CppEndBlock(cpp, "\n")
|
||||
|
||||
#define DN_CppBeginStructBlock(cpp, fmt, ...) DN_CppBeginBlock(cpp, false /*append*/, "struct " fmt, ##__VA_ARGS__)
|
||||
#define DN_CppEndStructBlock(cpp) DN_CppEndBlock(cpp, ";\n")
|
||||
|
||||
#define DN_CppBeginSwitchBlock(cpp, fmt, ...) DN_CppBeginBlock(cpp, false /*append*/, "switch (" fmt ")", ##__VA_ARGS__)
|
||||
#define DN_CppEndSwitchBlock(cpp) DN_CppEndBlock(cpp, "\n")
|
||||
|
||||
void DN_CppBeginIfOrElseIfBlock (DN_CppFile *cpp, char const *fmt, ...);
|
||||
#define DN_CppEndIfOrElseIfBlock(cpp) DN_CppEndBlock(cpp, "")
|
||||
|
||||
void DN_CppBeginElseBlock (DN_CppFile *cpp);
|
||||
void DN_CppEndElseBlock (DN_CppFile *cpp);
|
||||
|
||||
#define DN_CPP_TOKEN_PASTE2_(x, y) x ## y
|
||||
#define DN_CPP_TOKEN_PASTE_(x, y) DN_CPP_TOKEN_PASTE2_(x, y)
|
||||
#endif // DN_CPP_FILE_H
|
||||
|
||||
#if defined(DN_CPP_FILE_IMPLEMENTATION)
|
||||
void DN_CppLineV(DN_CppFile *cpp, char const *fmt, va_list args)
|
||||
{
|
||||
DN_CppPrintV(cpp, fmt, args);
|
||||
DN_CppNewLine(cpp);
|
||||
}
|
||||
|
||||
void DN_CppLine(DN_CppFile *cpp, char const *fmt, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, fmt);
|
||||
DN_CppLineV(cpp, fmt, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
void DN_CppPrintV(DN_CppFile *cpp, char const *fmt, va_list args)
|
||||
{
|
||||
int space_per_indent = DN_CppSpacePerIndent(cpp);
|
||||
int spaces = fmt ? (cpp->indent * space_per_indent) : 0;
|
||||
fprintf(cpp->file, "%*s", spaces, "");
|
||||
vfprintf(cpp->file, fmt, args);
|
||||
}
|
||||
|
||||
void DN_CppPrint(DN_CppFile *cpp, char const *fmt, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, fmt);
|
||||
DN_CppPrintV(cpp, fmt, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
void DN_CppBeginBlock(DN_CppFile *cpp, bool append, char const *fmt, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, fmt);
|
||||
DN_CppBeginBlockV(cpp, append, fmt, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
void DN_CppBeginBlockV(DN_CppFile *cpp, bool append, char const *fmt, va_list args)
|
||||
{
|
||||
if (append)
|
||||
DN_CppAppendV(cpp, fmt, args);
|
||||
else
|
||||
DN_CppPrintV(cpp, fmt, args);
|
||||
|
||||
bool empty_fmt = fmt == nullptr || strlen(fmt) == 0;
|
||||
DN_CppAppend(cpp, "%s{\n", empty_fmt ? "" : " ");
|
||||
DN_CppIndent(cpp);
|
||||
}
|
||||
|
||||
void DN_CppEndBlock(DN_CppFile *cpp, char const *ending)
|
||||
{
|
||||
DN_CppUnindent(cpp);
|
||||
DN_CppPrint(cpp, "}%s", ending);
|
||||
}
|
||||
|
||||
void DN_CppBeginIfOrElseIfBlock(DN_CppFile *cpp, char const *fmt, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, fmt);
|
||||
assert(cpp->if_chain_size);
|
||||
if (cpp->if_chain[cpp->if_chain_size - 1] == 0)
|
||||
DN_CppPrint(cpp, "if");
|
||||
else
|
||||
DN_CppAppend(cpp, " else if");
|
||||
|
||||
DN_CppAppend(cpp, " (");
|
||||
DN_CppAppendV(cpp, fmt, args);
|
||||
DN_CppAppend(cpp, ") {\n");
|
||||
DN_CppIndent(cpp);
|
||||
va_end(args);
|
||||
cpp->if_chain[cpp->if_chain_size - 1]++;
|
||||
}
|
||||
|
||||
void DN_CppBeginElseBlock(DN_CppFile *cpp)
|
||||
{
|
||||
assert(cpp->if_chain_size);
|
||||
if (cpp->if_chain[cpp->if_chain_size - 1] >= 1)
|
||||
DN_CppBeginBlock(cpp, true /*append*/, " else");
|
||||
}
|
||||
|
||||
void DN_CppEndElseBlock(DN_CppFile *cpp)
|
||||
{
|
||||
if (cpp->if_chain[cpp->if_chain_size - 1] >= 1)
|
||||
DN_CppEndBlock(cpp, "");
|
||||
}
|
||||
|
||||
void DN_CppBeginIfChain(DN_CppFile *cpp)
|
||||
{
|
||||
assert(cpp->if_chain_size < sizeof(cpp->if_chain)/sizeof(cpp->if_chain[0]));
|
||||
cpp->if_chain_size++;
|
||||
}
|
||||
|
||||
void DN_CppEndIfChain(DN_CppFile *cpp)
|
||||
{
|
||||
assert(cpp->if_chain_size);
|
||||
if (cpp->if_chain[cpp->if_chain_size - 1] >= 1) {
|
||||
DN_CppNewLine(cpp);
|
||||
}
|
||||
cpp->if_chain[cpp->if_chain_size - 1] = 0;
|
||||
cpp->if_chain_size--;
|
||||
}
|
||||
|
||||
#endif // DN_CPP_FILE_IMPLEMENTATION
|
||||
Reference in New Issue
Block a user