94 lines
2.6 KiB
Diff
94 lines
2.6 KiB
Diff
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From 5009b467a06a86f5dcc3218fb860cd81bc5e067f Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Tue, 4 May 2021 13:06:32 +0200
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Subject: [PATCH] scanner: sctp: Move to own scope
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This isolates only "vtag" token for now.
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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Reviewed-by: Florian Westphal <fw@strlen.de>
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(cherry picked from commit 0925d7e214825628e7db4a86d5ebbad578ab0777)
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Conflicts:
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include/parser.h
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src/parser_bison.y
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src/scanner.l
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-> Context changes due to missing other scopes.
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---
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include/parser.h | 1 +
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src/parser_bison.y | 5 +++--
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src/scanner.l | 8 ++++++--
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3 files changed, 10 insertions(+), 4 deletions(-)
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diff --git a/include/parser.h b/include/parser.h
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index b2ebd7aa226c5..4e7b4ef430966 100644
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--- a/include/parser.h
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+++ b/include/parser.h
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@@ -28,6 +28,7 @@ struct parser_state {
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enum startcond_type {
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PARSER_SC_BEGIN,
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+ PARSER_SC_SCTP,
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PARSER_SC_EXPR_HASH,
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PARSER_SC_EXPR_NUMGEN,
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};
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diff --git a/src/parser_bison.y b/src/parser_bison.y
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index da3fafcd1eeb1..383908fa3742f 100644
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--- a/src/parser_bison.y
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+++ b/src/parser_bison.y
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@@ -859,6 +859,7 @@ opt_newline : NEWLINE
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close_scope_hash : { scanner_pop_start_cond(nft->scanner, PARSER_SC_EXPR_HASH); };
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close_scope_numgen : { scanner_pop_start_cond(nft->scanner, PARSER_SC_EXPR_NUMGEN); };
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+close_scope_sctp : { scanner_pop_start_cond(nft->scanner, PARSER_SC_SCTP); };
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common_block : INCLUDE QUOTED_STRING stmt_separator
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{
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@@ -4620,7 +4621,7 @@ primary_rhs_expr : symbol_expr { $$ = $1; }
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BYTEORDER_HOST_ENDIAN,
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sizeof(data) * BITS_PER_BYTE, &data);
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}
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- | SCTP
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+ | SCTP close_scope_sctp
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{
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uint8_t data = IPPROTO_SCTP;
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$$ = constant_expr_alloc(&@$, &inet_protocol_type,
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@@ -5345,7 +5346,7 @@ dccp_hdr_field : SPORT { $$ = DCCPHDR_SPORT; }
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| TYPE { $$ = DCCPHDR_TYPE; }
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;
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-sctp_hdr_expr : SCTP sctp_hdr_field
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+sctp_hdr_expr : SCTP sctp_hdr_field close_scope_sctp
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{
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$$ = payload_expr_alloc(&@$, &proto_sctp, $2);
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}
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diff --git a/src/scanner.l b/src/scanner.l
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index ec8f252fbc8c8..c8e74e685f3d7 100644
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--- a/src/scanner.l
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+++ b/src/scanner.l
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@@ -196,6 +196,7 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr})
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%option nodefault
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%option warn
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%option stack
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+%s SCANSTATE_SCTP
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%s SCANSTATE_EXPR_HASH
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%s SCANSTATE_EXPR_NUMGEN
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@@ -491,8 +492,11 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr})
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"dccp" { return DCCP; }
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-"sctp" { return SCTP; }
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-"vtag" { return VTAG; }
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+"sctp" { scanner_push_start_cond(yyscanner, SCANSTATE_SCTP); return SCTP; }
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+
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+<SCANSTATE_SCTP>{
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+ "vtag" { return VTAG; }
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+}
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"rt" { return RT; }
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"rt0" { return RT0; }
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--
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2.33.0
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