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package text_template_parse
import "../scan"
Pos :: scan.Pos
Token :: scan.Token
Token_Kind :: scan.Token_Kind
new_node :: proc($T: typeid, pos: Pos = 0, allocator := context.allocator) -> ^T {
n := new(T, allocator)
n.pos = pos
n.variant = n
return n
}
Node :: struct {
pos: Pos,
variant: union{
^Node_Text,
^Node_Comment,
^Node_Action,
^Node_Pipeline,
^Node_Chain,
^Node_Command,
^Node_Import,
^Node_Dot,
^Node_Field,
^Node_Identifier,
^Node_Operator,
^Node_If,
^Node_For,
^Node_List,
^Node_Nil,
^Node_Bool,
^Node_Number,
^Node_String,
^Node_Variable,
^Node_With,
^Node_Break,
^Node_Continue,
// Dummy nodes
^Node_Else,
^Node_End,
},
}
Node_Branch :: struct{
using base: Node,
pipe: ^Node_Pipeline,
list: ^Node_List,
else_list: ^Node_List,
}
Node_Text :: struct{
using base: Node,
text: string,
}
Node_Action :: struct{
using base: Node,
pipe: ^Node_Pipeline,
}
Node_Bool :: struct{
using base: Node,
ok: bool,
}
Node_Chain :: struct{
using base: Node,
node: ^Node,
fields: [dynamic]string,
}
Node_Command :: struct{
using base: Node,
args: [dynamic]^Node,
}
Node_Dot :: struct{
using base: Node,
}
Node_Field :: struct{
using base: Node,
idents: []string,
}
Node_Identifier :: struct{
using base: Node,
ident: string,
}
Node_Operator :: struct{
using base: Node,
value: string,
}
Node_If :: distinct Node_Branch
Node_For :: distinct Node_Branch
Node_With :: distinct Node_Branch
Node_List :: struct{
using base: Node,
nodes: [dynamic]^Node,
}
Node_Nil :: struct{
using base: Node,
}
Node_Number :: struct{
using base: Node,
text: string,
i: Maybe(i64),
u: Maybe(u64),
f: Maybe(f64),
}
Node_Pipeline :: struct{
using base: Node,
is_assign: bool,
decl: [dynamic]^Node_Variable,
cmds: [dynamic]^Node_Command,
}
Node_String :: struct{
using base: Node,
quoted: string,
text: string, // after processing
}
Node_Import :: struct{
using base: Node,
name: string, // unquoted
pipe: ^Node_Pipeline,
}
Node_Variable :: struct{
using base: Node,
name: string,
}
Node_Comment :: struct{
using base: Node,
text: string,
}
Node_Break :: struct{
using base: Node,
}
Node_Continue :: struct{
using base: Node,
}
Node_Else :: struct {
using base: Node,
}
Node_End :: struct {
using base: Node,
}
chain_add :: proc(c: ^Node_Chain, field: string) {
field := field
if len(field) == 0 || field[0] != '.' {
panic("not a .field")
}
field = field[1:]
if field == "" {
panic("empty field")
}
append(&c.fields, field)
}
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