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authorMatthias Schiffer <mschiffer@universe-factory.net>2015-04-18 20:06:23 +0200
committerMatthias Schiffer <mschiffer@universe-factory.net>2015-04-18 20:06:23 +0200
commitba8f9797cb4f0c06d6a9ff11b51470a15eb81ee0 (patch)
tree5bb0d74725bf6e5651af913a9cea6a4c41cf5b80
parent30c2141182f4eed1d3549603a7aa92c57b35d129 (diff)
downloadsolar-master.tar
solar-master.zip
Allow specifying actions for groups terminalsHEADmaster
Also, more refactoring.
-rw-r--r--src/grammar.hpp8
-rw-r--r--src/parse.cpp54
-rw-r--r--src/parse.y8
3 files changed, 51 insertions, 19 deletions
diff --git a/src/grammar.hpp b/src/grammar.hpp
index 6e766c7..41c6316 100644
--- a/src/grammar.hpp
+++ b/src/grammar.hpp
@@ -48,14 +48,14 @@ struct grammar_t {
std::vector<std::pair<std::string, std::string>> extra_args;
- void add_rule(const rule_t &rule) {
+ void add_rule(const item_t &item, const std::vector<std::pair<std::string, bool>> &variables, const std::string &action) {
if (rules.empty()) {
item_t init("");
- init.get_rhs().push_back(symbol_t::make_nonterm(rule.item.get_lhs()));
- rules.emplace_back(solar::rule_t {std::move(init), std::vector<std::pair<std::string, bool>>(), std::string()});
+ init.get_rhs().push_back(symbol_t::make_nonterm(item.get_lhs()));
+ rules.push_back({std::move(init), std::vector<std::pair<std::string, bool>>(), std::string()});
}
- rules.push_back(rule);
+ rules.push_back({item, variables, action});
}
const std::string & get_nonterm_type(const std::string &sym) const {
diff --git a/src/parse.cpp b/src/parse.cpp
index 88245bf..05fad4d 100644
--- a/src/parse.cpp
+++ b/src/parse.cpp
@@ -76,14 +76,12 @@ static inline void parse_reduce_9(std::string *type, std::string *name, __attrib
}
static inline void parse_reduce_10(std::string *lhs, rhs_t *rhs, std::string *action, __attribute__((unused)) grammar_t *grammar) {
- grammar->add_rule({item_t(*lhs, rhs->first), rhs->second, *action});
+ grammar->add_rule(item_t(*lhs, rhs->first), rhs->second, *action);
}
-static inline void parse_reduce_11(std::string *lhs, unsigned char c1, unsigned char c2, __attribute__((unused)) grammar_t *grammar) {
- vars_t vars(1);
-
+static inline void parse_reduce_11(std::string *lhs, unsigned char c1, unsigned char c2, std::string *action, __attribute__((unused)) grammar_t *grammar) {
for (unsigned int c = c1; c <= c2; c++)
- grammar->add_rule({item_t(*lhs, {symbol_t::make_char(c)}), vars, std::string()});
+ grammar->add_rule(item_t(*lhs, {symbol_t::make_char(c)}), vars_t(1), *action);
}
static inline rhs_t * parse_reduce_12(__attribute__((unused)) grammar_t *grammar) {return new rhs_t;}
@@ -536,7 +534,16 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
parser->top -= 1;
result.symbol_action = parse_reduce_20(parser->stack[parser->top + 0].value.token.str, grammar);
parser->stack[parser->top].value.symbol_action = result.symbol_action;
- parser->stack[++parser->top].state = 27;
+ switch (parser->stack[parser->top].state) {
+ case 19:
+ parser->stack[++parser->top].state = 27;
+ break;
+
+ case 79:
+ parser->stack[++parser->top].state = 83;
+ break;
+
+ }
}
break;
@@ -567,7 +574,16 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
result.symbol_action = parse_reduce_21(parser->stack[parser->top + 0].value.token.str, grammar);
delete(parser->stack[parser->top + 0].value.token.str);
parser->stack[parser->top].value.symbol_action = result.symbol_action;
- parser->stack[++parser->top].state = 27;
+ switch (parser->stack[parser->top].state) {
+ case 19:
+ parser->stack[++parser->top].state = 27;
+ break;
+
+ case 79:
+ parser->stack[++parser->top].state = 83;
+ break;
+
+ }
}
break;
@@ -629,7 +645,16 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
parser->top -= 1;
result.symbol_action = parse_reduce_19(grammar);
parser->stack[parser->top].value.symbol_action = result.symbol_action;
- parser->stack[++parser->top].state = 27;
+ switch (parser->stack[parser->top].state) {
+ case 19:
+ parser->stack[++parser->top].state = 27;
+ break;
+
+ case 79:
+ parser->stack[++parser->top].state = 83;
+ break;
+
+ }
}
break;
@@ -1162,8 +1187,16 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
case 79:
switch (token) {
+ case TOK_BLOCK:
+ parser->stack[++parser->top].state = 30;
+ return 1;
+
+ case TOK_SQBLOCK:
+ parser->stack[++parser->top].state = 32;
+ return 1;
+
case ';':
- parser->stack[++parser->top].state = 83;
+ parser->stack[++parser->top].state = 36;
return 1;
default:
@@ -1212,8 +1245,9 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
switch (token) {
default:
parser->top -= 11;
- parse_reduce_11(parser->stack[parser->top + 0].value.token.str, parser->stack[parser->top + 4].value.token.c, parser->stack[parser->top + 8].value.token.c, grammar);
+ parse_reduce_11(parser->stack[parser->top + 0].value.token.str, parser->stack[parser->top + 4].value.token.c, parser->stack[parser->top + 8].value.token.c, parser->stack[parser->top + 10].value.symbol_action, grammar);
delete(parser->stack[parser->top + 0].value.token.str);
+ delete(parser->stack[parser->top + 10].value.symbol_action);
parser->stack[++parser->top].state = 2;
}
break;
diff --git a/src/parse.y b/src/parse.y
index db959df..0b8b992 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -69,14 +69,12 @@ directive |= "%extra_arg" BLOCK(type) csymbol(name) {
}
directive |= SYMBOL(lhs) "|=" rhs(rhs) action(action) {
- grammar->add_rule({item_t(*lhs, rhs->first), rhs->second, *action});
+ grammar->add_rule(item_t(*lhs, rhs->first), rhs->second, *action);
}
-directive |= SYMBOL(lhs) "|=" '(' CHAR(c1) "..." CHAR(c2) ')' ';' {
- vars_t vars(1);
-
+directive |= SYMBOL(lhs) "|=" '(' CHAR(c1) "..." CHAR(c2) ')' action(action) {
for (unsigned int c = c1; c <= c2; c++)
- grammar->add_rule({item_t(*lhs, {symbol_t::make_char(c)}), vars, std::string()});
+ grammar->add_rule(item_t(*lhs, {symbol_t::make_char(c)}), vars_t(1), *action);
}