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Refactor Parsing -> Compiling

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Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-03-02 08:25:29 -05:00
parent cfe78a9b29
commit 6dba17c97a
21 changed files with 550 additions and 489 deletions
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tree-sitter-p4/grammar.js
+3 -3
View File
@@ -46,7 +46,7 @@ export default grammar({
parserLocalElements: $ => prec(2, repeat1($.parserLocalElement)),
parserStates: $ => repeat1($.parserState),
parserState: $ => seq(optional($.annotations), $.state, $.identifier, '{', optional($.parserLocalElements), optional($.parserStatements), $.parserTransitionStatement, '}'),
parserState: $ => seq(optional($.annotations), $.state, $.identifier, '{', optional($.parserStatements), $.parserTransitionStatement, '}'),
parserLocalElement: $ => choice($.variableDeclaration, $.todo),
@@ -75,7 +75,7 @@ export default grammar({
// General statements
statements: $ => repeat1($.statement),
statement: $ => choice($.conditionalStatement, $.blockStatement, $.expressionStatement, $.assignmentStatement),// Limited, so far.
statement: $ => choice($.conditionalStatement, $.blockStatement, $.expressionStatement, $.assignmentStatement, $.variableDeclaration),// Limited, so far.
blockStatement: $ => seq(optional($.annotations), '{', optional($.statements), '}'),
conditionalStatement: $ => choice(prec(1, seq($.if, '(', $.expression, ')', $.statement)), prec(2, seq($.if, '(', $.expression, ')', $.statement, $.else, $.statement))),
expressionStatement: $=> seq($.expression, $._semicolon),
@@ -83,7 +83,7 @@ export default grammar({
// Parser statements
parserStatements: $ => repeat1($.parserStatement),
parserStatement: $ => choice($.conditionalStatement, $.parserBlockStatement, $.expressionStatement, $.assignmentStatement), // Limited, so far.
parserStatement: $ => choice($.conditionalStatement, $.parserBlockStatement, $.expressionStatement, $.assignmentStatement, $.variableDeclaration), // Limited, so far.
parserBlockStatement: $ => seq(optional($.annotations), '{', $.parserStatements, '}'),
parserTransitionStatement: $ => seq($.transition, $.transitionSelectionExpression, $._semicolon),
tree-sitter-p4/test.txt
+9 -7
View File
@@ -1,7 +1,9 @@
parser main_parser() {
state start {
bool where_to = true;
string where_from = where_to;
transition reject;
}
};
parser simple() {
state start {
bool x = true;
int y = 0;
y = 1;
transition accept;
}
};