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Allows update to set to vars of vars, call procs in arbitrary expressions,

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procs of vars
This commit is contained in:
Tastyfish
2016-04-11 03:00:21 -04:00
parent 6404a5ee97
commit 59097a99ea
2 changed files with 108 additions and 65 deletions
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code/modules/admin/verbs/SDQL2/SDQL_2_parser.dm
+25 -9
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@@ -207,12 +207,10 @@
//call_query: 'CALL' call_function ['ON' select_list [('FROM' | 'IN') from_list] ['WHERE' bool_expression]]
call_query(i, list/node)
var/list/func = list()
var/list/arguments = list()
i = call_function(i + 1, func, arguments)
i = variable(i + 1, func)
node += "call"
node["call"] = func
node["args"] = arguments
if(tokenl(i) != "on")
return i
@@ -317,15 +315,17 @@
//assignment: <variable name> '=' expression
assignment(i, list/node)
assignment(var/i, var/list/node, var/list/assignment_list = list())
assignment_list += token(i)
node += token(i)
if(token(i + 1) == ".")
i = assignment(i + 2, node, assignment_list)
if(token(i + 1) == "=")
var/varname = token(i)
node[varname] = list()
else if(token(i + 1) == "=")
var/exp_list = list()
node[assignment_list] = exp_list
i = expression(i + 2, node[varname])
i = expression(i + 2, exp_list)
else
parse_error("Assignment expected, but no = found")
@@ -349,6 +349,22 @@
L += "."
i = variable(i + 2, L)
else if(token(i + 1) == "(") // OH BOY PROC
var/list/arguments = list()
i = call_function(i, null, arguments)
L += ":"
L[++L.len] = arguments
else if(token(i + 1) == "\[") // list index
var/list/expression = list()
i = expression(i + 2, expression)
if (token(i) != "]")
parse_error("Missing ] at the end of list access.")
L += "\["
L[++L.len] = expression
i++
else
i++