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Remove Global RegEx flag, default to unanchored patterns

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This commit is contained in:
Feoramund
2025-05-24 07:42:04 -04:00
parent fedb9efb41
commit 37d6491300
5 changed files with 27 additions and 28 deletions
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core/text/regex/compiler/compiler.odin
+9 -5
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@@ -401,7 +401,7 @@ compile :: proc(tree: Node, flags: common.Flags) -> (code: Program, class_data:
pc_open := 0
add_global: if .Global in flags {
optimize_opening: {
// Check if the opening to the pattern is predictable.
// If so, use one of the optimized Wait opcodes.
iter := virtual_machine.Opcode_Iterator{ code[:], 0 }
@@ -412,7 +412,7 @@ compile :: proc(tree: Node, flags: common.Flags) -> (code: Program, class_data:
pc_open += size_of(Opcode)
inject_at(&code, pc_open, Opcode(code[pc + size_of(Opcode) + pc_open]))
pc_open += size_of(u8)
break add_global
break optimize_opening
case .Rune:
operand := intrinsics.unaligned_load(cast(^rune)&code[pc+1])
@@ -420,24 +420,28 @@ compile :: proc(tree: Node, flags: common.Flags) -> (code: Program, class_data:
pc_open += size_of(Opcode)
inject_raw(&code, pc_open, operand)
pc_open += size_of(rune)
break add_global
break optimize_opening
case .Rune_Class:
inject_at(&code, pc_open, Opcode.Wait_For_Rune_Class)
pc_open += size_of(Opcode)
inject_at(&code, pc_open, Opcode(code[pc + size_of(Opcode) + pc_open]))
pc_open += size_of(u8)
break add_global
break optimize_opening
case .Rune_Class_Negated:
inject_at(&code, pc_open, Opcode.Wait_For_Rune_Class_Negated)
pc_open += size_of(Opcode)
inject_at(&code, pc_open, Opcode(code[pc + size_of(Opcode) + pc_open]))
pc_open += size_of(u8)
break add_global
break optimize_opening
case .Save:
continue
case .Assert_Start:
break optimize_opening
case:
break seek_loop
}