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Diffstat (limited to 'src/script/script_internal.c')
| -rw-r--r-- | src/script/script_internal.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/script/script_internal.c b/src/script/script_internal.c deleted file mode 100644 index fe57d52..0000000 --- a/src/script/script_internal.c +++ /dev/null @@ -1,201 +0,0 @@ -/** - * \file script_internal.h - * \brief Project scripting engine internal API. - * \author Copyright (c) 2002-2008 Jason Perkins and the Premake project - */ - -#include <string.h> -#include "premake.h" -#include "script_internal.h" -#include "base/buffers.h" -#include "base/path.h" - - -/** - * Create a new configuration block in the object at the top of the stack. - * \param L The Lua state. - */ -int script_internal_create_block(lua_State* L) -{ - int i; - - /* get the current list of configuration blocks */ - lua_getfield(L, -1, BLOCKS_KEY); - - /* create a new block and make it active */ - lua_newtable(L); - script_internal_set_active_object(L, BlockObject); - - /* set all list-type configuration block values to empty tables */ - for (i = 0; i < NumBlockFields; ++i) - { - int kind = BlockFieldInfo[i].kind; - if (kind != StringField && kind != PathField) - { - lua_newtable(L); - lua_setfield(L, -2, BlockFieldInfo[i].name); - } - } - - /* add it to the list of blocks */ - lua_rawseti(L, -2, luaL_getn(L,-2) + 1); - lua_pop(L, 1); - return OKAY; -} - - -/** - * Pushes the active value for the given object type to the top of the stack. - * This function is used to retrieve the current solution, project, etc. - * \param L The Lua state. - * \param type One or more of the script object type enumerations. - * A bitmask may be supplied if more than one object type - * can be valid. If so, the objects will be returned in - * following order: configuration, project, then solution. - * \param is_required If true, will set error if no active object is found. - * \returns The active object, pushed onto the stack. May be nil if there is - * no currently active object. If is_required is true, returns true - * if an active object was found, false otherwise. - */ -int script_internal_get_active_object(lua_State* L, enum ObjectType type, int is_required) -{ - int top; - - lua_getregistry(L); - top = lua_gettop(L); - - if (lua_gettop(L) == top && (type & BlockObject)) - { - lua_getfield(L, -1, CONFIGURATION_KEY); - if (lua_isnil(L, -1)) - lua_pop(L, 1); - } - - if (lua_gettop(L) == top && (type & ProjectObject)) - { - lua_getfield(L, -1, PROJECT_KEY); - if (lua_isnil(L, -1)) - lua_pop(L, 1); - } - - if (lua_gettop(L) == top && (type & SolutionObject)) - { - lua_getfield(L, -1, SOLUTION_KEY); - if (lua_isnil(L, -1)) - lua_pop(L, 1); - } - - /* if an active object was found, return it */ - if (lua_gettop(L) > top) - { - /* remove the registry table first */ - lua_remove(L, -2); - return 1; - } - - /* if no active object was found, and none is required, return nil */ - else if (!is_required) - { - /* remove the registry table first */ - lua_pop(L, 1); - lua_pushnil(L); - return 1; - } - - /* else set an error */ - else - { - /* build an error message */ - char* buffer = buffers_next(); - strcpy(buffer, "no active "); - switch (type) - { - case SolutionObject: - strcat(buffer, "solution"); - break; - case ProjectObject: - strcat(buffer, "project"); - break; - case BlockObject: - strcat(buffer, "configuration block"); - break; - case SolutionObject | ProjectObject: - strcat(buffer, "solution or project"); - break; - case SolutionObject | ProjectObject | BlockObject: - strcat(buffer, "solution, project, or configuration block"); - break; - default: - strcat(buffer, "object"); - } - luaL_error(L, buffer); - return 0; - } -} - - -/** - * Remembers the object at the top of the stack as active for the given object type. - * This function is used to indicate the current solution, project, etc. - * \param L The Lua state. - * \param type One of the script object type enumerations. - */ -void script_internal_set_active_object(lua_State* L, enum ObjectType type) -{ - lua_getregistry(L); - lua_pushvalue(L, -2); - - if (type == SolutionObject) - { - lua_setfield(L, -2, SOLUTION_KEY); - } - else if (type == ProjectObject) - { - lua_setfield(L, -2, PROJECT_KEY); - } - else - { - lua_setfield(L, -2, CONFIGURATION_KEY); - } - - lua_pop(L, 1); -} - - -/** - * Returns the directory containing the currently executing script file. Used to - * locate external resources (files, etc.) specified relative to the current script. - * \param L The Lua script environment. - * \returns The directory containing the currently executing script file. - */ -const char* script_internal_script_dir(lua_State* L) -{ - const char* result; - lua_getglobal(L, FILE_KEY); - result = lua_tostring(L, -1); - result = path_directory(result); - lua_pop(L, 1); - return result; -} - - -/** - * Uses a list of fields to populate a project object (solution, project, or - * configuration) with a matching set of properties and accessor functions. - * \param L The Lua state. - * \param fields The list of object fields. - */ -void script_internal_populate_object(lua_State* L, FieldInfo* fields) -{ - FieldInfo* field; - - /* set all list-type configuration values to empty tables */ - for (field = fields; field->name != NULL; ++field) - { - if (field->kind != StringField && field->kind != PathField) - { - lua_newtable(L); - lua_setfield(L, -2, field->name); - } - } -} |