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authorJari Vetoniemi <mailroxas@gmail.com>2018-09-27 16:21:22 +0300
committerJari Vetoniemi <mailroxas@gmail.com>2018-09-27 16:21:22 +0300
commit17944dc0508fbeca23896c738f362c60614a0cf5 (patch)
tree83f50eec3cef50f1175e50c24e8ead45c33976d9
parenta2b69e5b9479ddeba3c737c8ef01764d5454520c (diff)
compiler: implement enum counting
-rw-r--r--src/compiler/compiler.lm35
1 files changed, 25 insertions, 10 deletions
diff --git a/src/compiler/compiler.lm b/src/compiler/compiler.lm
index b19743d..21fc9fe 100644
--- a/src/compiler/compiler.lm
+++ b/src/compiler/compiler.lm
@@ -4,6 +4,11 @@
include 'expr.lm'
context fspec
+ enum_counter:int
+ void enum_inc() { enum_counter = enum_counter + 1 }
+ void enum_set(v:int) { enum_counter = v }
+ int enum_get() { return enum_counter }
+
context primitive
token TYPE_SIGN / [us] /
token TYPE_BITS / [1-9][0-9]* /
@@ -33,20 +38,22 @@ context fspec
return expr.result.value.number.value
}
- def item
+ def declaration
value:int
- [name:reference::variable::type `= expr::enum::type `, item] { lhs.value = const_int_expr(r3.collapsed) }
- | [name:reference::variable::type `= expr::enum::type] { lhs.value = const_int_expr(r3.collapsed) }
- | [name:reference::variable::type `, item] { lhs.value = 0 } # TODO: count
- | [name:reference::variable::type] { lhs.value = 0 } # TODO: count
+ [name:reference::variable::type `= expr::enum::type] { lhs.value = const_int_expr(r3.collapsed) enum_set(lhs.value) enum_inc() }
+ | [name:reference::variable::type] { lhs.value = enum_get() enum_inc() }
+
+ def item
+ [decl:declaration `, item] | [decl:declaration]
def type
name:str
items:item+
select:expr::paren::type
[type:`enum WS+ reference::variable::type? `{ item+ `}] {
- for n:reference::variable::type in child(r3)
- lhs.name = $n lhs.items = r5
+ for n:reference::variable::type in child(r3) lhs.name = $n
+ lhs.items = r5
+ enum_set(0)
}
end
@@ -171,9 +178,17 @@ context fspec
def source
[items:declaration::type*] commit
+
+ source
+ stream(s:stream)
+ {
+ c:fspec = new fspec()
+ c->enum_counter = 0
+ return parse source(c)[s]
+ }
end
-parse source:fspec::source[stdin]
+source:fspec::source = fspec::stream(stdin)
if (!source) {
print(error)
@@ -338,8 +353,8 @@ walk(d:fspec::declaration::type)
if ($s.data.type == 'enum') {
for i:fspec::container::enum::item in repeat(s.data.items) {
- print('constant `', $i.name, '` is ', $i.value, '\n')
- insert('variable', $i.name, i)
+ print('constant `', $i.decl.name, '` is ', $i.decl.value, '\n')
+ insert('variable', $i.decl.name, i)
}
} else if ($s.data.type == 'struct') {
push_scope(endianess_from_decl(d))