Parse clock descriptions

[babeltrace.git] / formats / ctf / metadata / ctf-parser.y

diff --git a/formats/ctf/metadata/ctf-parser.y b/formats/ctf/metadata/ctf-parser.y
index 1d40d04f1a656b635449684d5cbcdb489b4dc9de..78b63cc36d6adfbd4c465072418e2ed0b602f012 100644 (file)
--- a/formats/ctf/metadata/ctf-parser.y
+++ b/formats/ctf/metadata/ctf-parser.y
@@ -26,7 +26,7 @@
 #include <errno.h>
 #include <inttypes.h>
 #include <babeltrace/list.h>
-#include <babeltrace/babeltrace.h>
+#include <babeltrace/babeltrace-internal.h>
 #include "ctf-scanner.h"
 #include "ctf-parser.h"
 #include "ctf-ast.h"
@@ -66,6 +66,7 @@ static const char *node_type_to_str[] = {
        [ NODE_EVENT ] = "NODE_EVENT",
        [ NODE_STREAM ] = "NODE_STREAM",
        [ NODE_TRACE ] = "NODE_TRACE",
+       [ NODE_CLOCK ] = "NODE_CLOCK",
        [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
        [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
        [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
@@ -246,6 +247,9 @@ static struct ctf_node *make_node(struct ctf_scanner *scanner,
        case NODE_TRACE:
                CDS_INIT_LIST_HEAD(&node->u.trace.declaration_list);
                break;
+       case NODE_CLOCK:
+               CDS_INIT_LIST_HEAD(&node->u.clock.declaration_list);
+               break;
 
        case NODE_CTF_EXPRESSION:
                CDS_INIT_LIST_HEAD(&node->u.ctf_expression.left);
@@ -326,6 +330,9 @@ static int reparent_ctf_expression(struct ctf_node *node,
        case NODE_TRACE:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
                break;
+       case NODE_CLOCK:
+               _cds_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
+               break;
        case NODE_FLOATING_POINT:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
                break;
@@ -378,6 +385,9 @@ static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
        case NODE_TRACE:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
                break;
+       case NODE_CLOCK:
+               _cds_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
+               break;
        case NODE_VARIANT:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
                break;
@@ -427,6 +437,9 @@ static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
        case NODE_TRACE:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
                break;
+       case NODE_CLOCK:
+               _cds_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
+               break;
        case NODE_VARIANT:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
                break;
@@ -473,6 +486,7 @@ static int reparent_type_specifier(struct ctf_node *node,
        case NODE_EVENT:
        case NODE_STREAM:
        case NODE_TRACE:
+       case NODE_CLOCK:
        case NODE_VARIANT:
        case NODE_STRUCT:
        case NODE_TYPEDEF:
@@ -516,6 +530,9 @@ static int reparent_type_specifier_list(struct ctf_node *node,
        case NODE_TRACE:
                cds_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
                break;
+       case NODE_CLOCK:
+               cds_list_add_tail(&node->siblings, &parent->u.clock.declaration_list);
+               break;
        case NODE_VARIANT:
                cds_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
                break;
@@ -583,6 +600,7 @@ static int reparent_type_declarator(struct ctf_node *node,
        case NODE_EVENT:
        case NODE_STREAM:
        case NODE_TRACE:
+       case NODE_CLOCK:
        case NODE_VARIANT:
        case NODE_STRUCT:
        case NODE_TYPEALIAS:
@@ -648,6 +666,13 @@ static int set_parent_node(struct ctf_node *node,
                        return -EPERM;
                }
                break;
+       case NODE_CLOCK:
+               if (parent->type == NODE_ROOT) {
+                       _cds_list_splice_tail(&node->tmp_head, &parent->u.root.clock);
+               } else {
+                       return -EPERM;
+               }
+               break;
 
        case NODE_CTF_EXPRESSION:
                return reparent_ctf_expression(node, parent);
@@ -764,6 +789,7 @@ static struct ctf_ast *ctf_ast_alloc(void)
        CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
        CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
        CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
+       CDS_INIT_LIST_HEAD(&ast->root.u.root.clock);
        return ast;
 }
 
@@ -852,7 +878,7 @@ void ctf_scanner_free(struct ctf_scanner *scanner)
  */
 %expect 2
 %start file
-%token CHARACTER_CONSTANT_START SQUOTE STRING_LITERAL_START DQUOTE ESCSEQ CHAR_STRING_TOKEN LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT TOK_ALIGN
+%token CHARACTER_CONSTANT_START SQUOTE STRING_LITERAL_START DQUOTE ESCSEQ CHAR_STRING_TOKEN LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE CLOCK TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT TOK_ALIGN
 %token <gs> IDENTIFIER ID_TYPE
 %token ERROR
 %union
@@ -872,6 +898,7 @@ void ctf_scanner_free(struct ctf_scanner *scanner)
 %type <n> event_declaration
 %type <n> stream_declaration
 %type <n> trace_declaration
+%type <n> clock_declaration
 %type <n> integer_declaration_specifiers
 %type <n> declaration_specifiers
 %type <n> alias_declaration_specifiers
@@ -964,6 +991,8 @@ keywords:
                {       $$ = yylval.gs;         }
        |       TRACE
                {       $$ = yylval.gs;         }
+       |       CLOCK
+               {       $$ = yylval.gs;         }
        |       TOK_ALIGN
                {       $$ = yylval.gs;         }
        ;
@@ -1161,6 +1190,8 @@ declaration:
                {       $$ = $1;        }
        |       trace_declaration
                {       $$ = $1;        }
+       |       clock_declaration
+               {       $$ = $1;        }
        |       declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
                {
                        struct ctf_node *list;
@@ -1259,7 +1290,6 @@ stream_declaration_end:
                {       pop_scope(scanner);     }
        ;
 
-
 trace_declaration:
                trace_declaration_begin trace_declaration_end
                {
@@ -1283,6 +1313,29 @@ trace_declaration_end:
                {       pop_scope(scanner);     }
        ;
 
+clock_declaration:
+               CLOCK clock_declaration_begin clock_declaration_end
+               {
+                       $$ = make_node(scanner, NODE_CLOCK);
+               }
+       |       CLOCK clock_declaration_begin ctf_assignment_expression_list clock_declaration_end
+               {
+                       $$ = make_node(scanner, NODE_CLOCK);
+                       if (set_parent_node($3, $$))
+                               reparent_error(scanner, "trace_declaration");
+               }
+       ;
+
+clock_declaration_begin:
+               LBRAC
+               {       push_scope(scanner);    }
+       ;
+
+clock_declaration_end:
+               RBRAC SEMICOLON
+               {       pop_scope(scanner);     }
+       ;
+
 integer_declaration_specifiers:
                CONST
                {