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| 1 #include "lexer/even-more-experimental-scanner.h" | 1 #include "lexer/even-more-experimental-scanner.h" |
| 2 | 2 |
| 3 | 3 |
| 4 {# TODO implement CLASS checks #} | 4 {# TODO implement CLASS checks #} |
| 5 {%- macro do_key(key) -%} | 5 {%- macro do_key(key) -%} |
| 6 {%- for r in key.range_iter() -%} | 6 {%- for r in key -%} |
| 7 {%- if not loop.first %} || {% endif -%} | 7 {%- if not loop.first %} || {% endif -%} |
| 8 {%- if r[0] == 'LATIN_1' -%} | 8 {%- if r[0] == 'LATIN_1' -%} |
| 9 {%- if r[1][0] == r[1][1] -%} | 9 {%- if r[1][0] == r[1][1] -%} |
| 10 yych == {{r[1][0]}} | 10 yych == {{r[1][0]}} |
| 11 {%- elif r[1][0] == 0 -%} | 11 {%- elif r[1][0] == 0 -%} |
| 12 yych <= {{r[1][1]}} | 12 yych <= {{r[1][1]}} |
| 13 {%- elif r[1][1] == 255 -%} | 13 {%- elif r[1][1] == 255 -%} |
| 14 yych >= {{r[1][0]}} | 14 yych >= {{r[1][0]}} |
| 15 {%- else -%} | 15 {%- else -%} |
| 16 ({{r[1][0]}} <= yych && yych <= {{r[1][1]}}) | 16 ({{r[1][0]}} <= yych && yych <= {{r[1][1]}}) |
| (...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 76 | 76 |
| 77 {%- set entry_action = state.entry_action -%} | 77 {%- set entry_action = state.entry_action -%} |
| 78 {%- if entry_action %} | 78 {%- if entry_action %} |
| 79 {{ dispatch_action(entry_action[0], entry_action[1]) }} | 79 {{ dispatch_action(entry_action[0], entry_action[1]) }} |
| 80 {%- endif %} | 80 {%- endif %} |
| 81 | 81 |
| 82 {%- if debug_print %} | 82 {%- if debug_print %} |
| 83 fprintf(stderr, "char at hand is %c (%d)\n", yych, yych); | 83 fprintf(stderr, "char at hand is %c (%d)\n", yych, yych); |
| 84 {% endif -%} | 84 {% endif -%} |
| 85 | 85 |
| 86 {%- for key, transition_state_id in state.transitions %} | 86 {%- if state['switch_transitions'] -%} |
| 87 {%- set inline_transition = dfa_states[transition_state_id]['inline'] -%} | 87 switch(yych) { |
| 88 if ({{do_key(key)}}) { | 88 {%- for key, transition_state_id in state['switch_transitions'] %} |
| 89 FORWARD(); | 89 case {{key}}: |
| 90 {%- set inline_transition = dfa_states[transition_state_id]['inline'] %} |
| 91 FORWARD(); |
| 90 {%- if inline_transition %} | 92 {%- if inline_transition %} |
| 91 {{ do_dfa_state(transition_state_id, True) }} | 93 {{ do_dfa_state(transition_state_id, True) }} |
| 92 {% else %} | 94 {% else %} |
| 95 goto code_{{transition_state_id}}; |
| 96 {% endif %} |
| 97 {% endfor -%} |
| 98 } |
| 99 {%- endif -%} |
| 100 |
| 101 {%- for key, transition_state_id in state.transitions %} |
| 102 if ({{do_key(key)}}) { |
| 103 {%- set inline_transition = dfa_states[transition_state_id]['inline'] %} |
| 104 FORWARD(); |
| 105 {%- if inline_transition %} |
| 106 {{ do_dfa_state(transition_state_id, True) }} |
| 107 {% else %} |
| 93 goto code_{{transition_state_id}}; | 108 goto code_{{transition_state_id}}; |
| 94 {% endif %} | 109 {% endif %} |
| 95 } | 110 } |
| 96 {% endfor -%} | 111 {% endfor -%} |
| 97 | 112 |
| 98 {%- set match_action = state.match_action -%} | 113 {%- set match_action = state.match_action -%} |
| 99 | 114 |
| 100 {%- if match_action %} | 115 {%- if match_action %} |
| 101 {{ dispatch_action(match_action[0], match_action[1]) }} | 116 {{ dispatch_action(match_action[0], match_action[1]) }} |
| 102 goto code_start; | 117 goto code_start; |
| (...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 170 {% endif -%} | 185 {% endif -%} |
| 171 {{dispatch_action(default_action[0], default_action[1])}} | 186 {{dispatch_action(default_action[0], default_action[1])}} |
| 172 FORWARD(); | 187 FORWARD(); |
| 173 goto code_start; | 188 goto code_start; |
| 174 | 189 |
| 175 fell_through: | 190 fell_through: |
| 176 CHECK(false); | 191 CHECK(false); |
| 177 } | 192 } |
| 178 } } | 193 } } |
| 179 | 194 |
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Chromium Code Reviews
Issue 73453006:
Experimental parser: switch blocks (Closed)
Base URL: https://v8.googlecode.com/svn/branches/experimental/parser